CN101870757A - Reactive emulsifier soap-free styrene surface sizing agent and preparation method thereof - Google Patents
Reactive emulsifier soap-free styrene surface sizing agent and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a reactive emulsifier soap-free styrene surface sizing agent and a preparation method thereof; the molecular structure of the reactive emulsifier soap-free styrene surface sizing agent is shown as the accompanying drawing. The preparation method of the reactive emulsifier soap-free styrene surface sizing agent comprises the following steps that: first, polyethylene glycol, stearic acid and maleic anhydride react to obtain maleic acid polyethylene glycol single-stearic acid ester; then ammonium persulfate serves as an initiator, and the maleic acid polyethylene glycol single-stearic acid ester, styrene, acrylamide, acrylic acid and acrylonitrile are prepared into the reactive emulsifier soap-free styrene surface sizing agent through copolymerization reaction; and the obtained reactive emulsifier soap-free styrene surface sizing agent eliminates the disadvantages and the pollution of small molecule emulsifier, and is characterized by excellent integration with fibers, reduced hair and powder drop, higher seizing degree, high surface strength, capability of adapting to high-speed printing and the like.
Description
Technical field
The present invention relates to the preparation field of light paper Surface Size, particularly a kind of reactive emulsifier soap-free styrene surface sizing agent and preparation method thereof.
Background technology
Light paper is a kind of light offset paper, and it has unique production and processing technology, does not contain white dyes, and paper fibre light specific gravity, quality bulky, smooth surface, the soft printing that is suitable for colored books and periodicals product of color and luster enjoy people's favor.Because the light paper quality is lighter, the books and periodicals that print with its approximately can alleviate 20%-30% than the books and periodicals weight with plain paper, have both made things convenient for reader's reading, have also played the effect that reduces logistics cost preferably.So light paper makes production cost also obtain reduction to a certain degree in the application market that has replaced part offset paper, enamelled paper aspect printing books and periodicals, the magazine, is subjected to the welcome in market deeply.The wet end furnish that light paper production is adopted is based on chemimechanical pulp, contain a large amount of lignins in these slurries, fiber is more stiff, fiber combining power is relatively poor, because the fibrous tissue of light paper is more lax, thickness is relatively large, but its tensile property is relatively also more a little bit poorer, and very easily makes moist and produce the distortion situation.These factors have caused page surface strength and smoothness to descend, so that occur dry linting in the printing process and fall a mao phenomenon.Along with the continuous introduction of a large amount of import printing machinery is gone into operation, in the printing by paper process paper surface properties and ink receptivity are had higher requirement on the other hand, the surface strength of paper is also proposed higher requirement.The traditional Surface Size of light paper has starch, Sumstar 190, phosphate ester starch, polyacrylamide treated starch and polyvinyl alcohol etc., they in use exist, film forming easy fracture relatively poor with the avidity of fiber and occur easily falling shortcomings such as hair, dry linting phenomenon, water resisting property is relatively poor, surface strength is not enough in the printing process, and its applicable scope is restricted.Bringing into use benzene emulsion at present is that its preparation process is used small-molecular emulsifier more by vinylbenzene and the acrylate monomer multipolymer by emulsion polymerization prepared, has not only influenced the water resistance of light paper and film forming properties but also has had environmental pollution.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of reactive emulsifier soap-free styrene surface sizing agent and preparation method thereof, the reactive emulsifier soap-free styrene surface sizing agent of gained have with fiber in conjunction with good, alleviate hair and powder dropping, improve degree of sizing, surface strength is high and can adapt to characteristics such as high speed printing.
For achieving the above object, the technical solution used in the present invention is:
A kind of molecular structure of reactive emulsifier soap-free styrene surface sizing agent is:
Reactive emulsifier soap-free styrene surface sizing agent
Wherein x, y, z, m, n are the integer greater than zero.
A kind of preparation method of reactive emulsifier soap-free styrene surface sizing agent is: obtain maleic acid polyoxyethylene glycol single-hard ester acid ester by polyoxyethylene glycol, stearic acid and maleic acid anhydride reactant earlier, be initiator again with the ammonium persulphate, by maleic acid polyethylene glycol mono stearate and vinylbenzene, acrylamide, vinylformic acid and vinyl cyanide by copolyreaction preparation feedback type emulsifier soap-free styrene surface sizing agent.Its reaction process is as follows:
MALEIC ANHYDRIDE polyoxyethylene glycol stearic acid
Maleic acid polyoxyethylene glycol single-hard ester acid ester
Styrene-acrylonitrile copolymer acid amides vinylformic acid propylene fat
Maleic acid polyoxyethylene glycol single-hard ester acid ester
Reactive emulsifier soap-free styrene surface sizing agent
Wherein x, y, z, m, n are the integer greater than zero.
A kind of preparation method of reactive emulsifier soap-free styrene surface sizing agent specifically may further comprise the steps:
The first step, polyoxyethylene glycol-400 and stearic acid were added in first reactor 80-85 ℃ the time reaction 1.5-2.0 hour, add MALEIC ANHYDRIDE again and continued insulation reaction 1.0-1.5 hour, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
Second the step, with maleic acid polyethylene glycol mono stearate, vinylbenzene, acrylamide, vinylformic acid and vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, ammonium persulphate and deionized water are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step added deionized water in second reactor, be warming up to 60-70 ℃, the mass ratio of deionized water and mix monomer is 124: 40, adds ammonium persulfate aqueous solution and mix monomer again, and the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, the whole reinforced time is 1-2 hour
In the 5th step, feeding in raw material finished the back in 80-90 ℃ of insulation reaction 2.0-3.0 hour,
The 6th step cooled to 20-30 ℃, was that 30% sodium hydroxide solution adjusting pH value is 5.0-7.0 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
Because not residual small-molecular emulsifier in a kind of reactive emulsifier soap-free styrene surface sizing agent, have with fiber in conjunction with good, alleviate hair and powder dropping, improve degree of sizing, surface strength is high and can adapt to characteristics such as high speed printing.
Embodiment
To be described in further detail method of the present invention with specific embodiment below.
Embodiment one
A kind of preparation method of reactive emulsifier soap-free styrene surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 80 ℃ the time reaction 1.5 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.0 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 60 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1 hour
In the 5th step, the reinforced back that finishes is in 80 ℃ of insulation reaction 2.0 hours,
The 6th step cooled to 20 ℃, was that 30% sodium hydroxide solution adjusting pH value is 5.0 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
Embodiment two
A kind of preparation method of reactive emulsifier soap-free styrene surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 81 ℃ the time reaction 1.6 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.1 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 62 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1.2 hours
In the 5th step, the reinforced back that finishes is in 82 ℃ of insulation reaction 2.2 hours,
The 6th step cooled to 22 ℃, was that 30% sodium hydroxide solution adjusting pH value is 5.4 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
Embodiment three
A kind of preparation method of reactive emulsifier soap-free styrene surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 82 ℃ the time reaction 1.7 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.2 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 64 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1.4 hours
In the 5th step, the reinforced back that finishes is in 84 ℃ of insulation reaction 2.4 hours,
The 6th step cooled to 24 ℃, was that 30% sodium hydroxide solution adjusting pH value is 5.8 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
Embodiment four
A kind of preparation method of reactive emulsifier soap-free styrene surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 83 ℃ the time reaction 1.8 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.3 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 66 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1.6 hours
In the 5th step, the reinforced back that finishes is in 86 ℃ of insulation reaction 2.6 hours,
The 6th step cooled to 26 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.2 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
Embodiment five
A kind of preparation method of reactive emulsifier soap-free styrene surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 84 ℃ the time reaction 1.9 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.4 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 68 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1.8 hours
In the 5th step, the reinforced back that finishes is in 88 ℃ of insulation reaction 2.8 hours,
The 6th step cooled to 28 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.6 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
Embodiment six
A kind of preparation method of reactive emulsifier soap-free styrene surface sizing agent specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 85 ℃ the time reaction 2.0 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.5 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 70 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 2 hours
In the 5th step, the reinforced back that finishes is in 90 ℃ of insulation reaction 3.0 hours,
The 6th step cooled to 30 ℃, was that 30% sodium hydroxide solution adjusting pH value is 7.0 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
Claims (9)
1. reactive emulsifier soap-free styrene surface sizing agent, it is characterized in that: a kind of molecular structure of reactive emulsifier soap-free styrene surface sizing agent is:
Reactive emulsifier soap-free styrene surface sizing agent
Wherein x, y, z, m, n are the integer greater than zero.
2. the preparation method of a reactive emulsifier soap-free styrene surface sizing agent, it is characterized in that: obtain maleic acid polyoxyethylene glycol single-hard ester acid ester by polyoxyethylene glycol, stearic acid and maleic acid anhydride reactant earlier, be initiator again with the ammonium persulphate, pass through copolymerization preparation feedback type emulsifier soap-free styrene surface sizing agent by maleic acid polyethylene glycol mono stearate and vinylbenzene, acrylamide, vinylformic acid and vinyl cyanide.
3. the preparation method of a kind of reactive emulsifier soap-free styrene surface sizing agent according to claim 2 is characterized in that: specifically may further comprise the steps:
The first step, polyoxyethylene glycol-400 and stearic acid were added in first reactor 80-85 ℃ the time reaction 1.5-2.0 hour, add MALEIC ANHYDRIDE again and continued insulation reaction 1.0-1.5 hour, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
Second the step, with maleic acid polyethylene glycol mono stearate, vinylbenzene, acrylamide, vinylformic acid and vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, ammonium persulphate and deionized water are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add deionized water, be warming up to 60-70 ℃, the mass ratio of deionized water and made mix monomer is 124: 40, add ammonium persulfate aqueous solution and made mix monomer again, the mass ratio of ammonium persulfate aqueous solution and made mix monomer is 21: 40, and the whole reinforced time is 1-2 hour
In the 5th step, feeding in raw material finished the back in 80-90 ℃ of insulation reaction 2.0-3.0 hour,
The 6th step cooled to 20-30 ℃, was that 30% sodium hydroxide solution adjusting pH value is 5.0-7.0 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
4. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier soap-free styrene surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 80 ℃ the time reaction 1.5 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.0 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 60 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1 hour
In the 5th step, the reinforced back that finishes is in 80 ℃ of insulation reaction 2.0 hours,
The 6th step cooled to 20 ℃, was that 30% sodium hydroxide solution adjusting pH value is 5.0 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
5. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier soap-free styrene surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 81 ℃ the time reaction 1.6 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.1 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 62 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1.2 hours
In the 5th step, the reinforced back that finishes is in 82 ℃ of insulation reaction 2.2 hours,
The 6th step cooled to 22 ℃, was that 30% sodium hydroxide solution adjusting pH value is 5.4 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
6. the preparation method of claim 2 or 3 described a kind of reactive emulsifier soap-free styrene surface sizing agents is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 82 ℃ the time reaction 1.7 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.2 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 64 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1.4 hours
In the 5th step, the reinforced back that finishes is in 84 ℃ of insulation reaction 2.4 hours,
The 6th step cooled to 24 ℃, was that 30% sodium hydroxide solution adjusting pH value is 5.8 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
7. the preparation method of claim 2 or 3 described a kind of reactive emulsifier soap-free styrene surface sizing agents is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 83 ℃ the time reaction 1.8 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.3 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 66 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1.6 hours
In the 5th step, the reinforced back that finishes is in 86 ℃ of insulation reaction 2.6 hours,
The 6th step cooled to 26 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.2 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
8. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier soap-free styrene surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 84 ℃ the time reaction 1.9 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.4 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 68 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 1.8 hours
In the 5th step, the reinforced back that finishes is in 88 ℃ of insulation reaction 2.8 hours,
The 6th step cooled to 28 ℃, was that 30% sodium hydroxide solution adjusting pH value is 6.6 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
9. according to the preparation method of claim 2 or 3 described a kind of reactive emulsifier soap-free styrene surface sizing agents, it is characterized in that: specifically may further comprise the steps:
The first step, 10 gram polyoxyethylene glycol-400 and 7 gram stearic acid were added in first reactor 85 ℃ the time reaction 2.0 hours, add 2.5 gram MALEIC ANHYDRIDE again and continued insulation reaction 1.5 hours, obtain the maleic acid polyethylene glycol mono stearate, the mass ratio of said polyoxyethylene glycol-400, hard ester acid and MALEIC ANHYDRIDE is 10: 7: 2.5
In second step, 25 gram maleic acid polyethylene glycol mono stearate, 5 gram vinylbenzene, 6 are restrained acrylamides, 3 gram vinylformic acid and 1 gram vinyl cyanide by 25: 5: 6: 3: 1 mass ratio is mixed and made into mix monomer,
The 3rd step, 1 gram ammonium persulphate and 20 gram deionized waters are made ammonium persulfate aqueous solution with mass ratio at 1: 20,
The 4th step, in second reactor, add 124 gram deionized waters, be warming up to 70 ℃, the mass ratio of deionized water and mix monomer is 124: 40, add 21 gram ammonium persulfate aqueous solutions and 40 gram mix monomers again, the mass ratio of ammonium persulfate aqueous solution and mix monomer is 21: 40, and the whole reinforced time is 2 hours
In the 5th step, the reinforced back that finishes is in 90 ℃ of insulation reaction 3.0 hours,
The 6th step cooled to 30 ℃, was that 30% sodium hydroxide solution adjusting pH value is 7.0 with massfraction, and discharging obtains reactive emulsifier soap-free styrene surface sizing agent.
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| CN102312394A (en) * | 2011-07-29 | 2012-01-11 | 陕西科技大学 | Cationic surface sizing agent of fine paper and preparation method thereof |
| CN102391419A (en) * | 2011-07-29 | 2012-03-28 | 陕西科技大学 | Self-crosslinking reactive emulsifier core-shell surface sizing agent and preparation method thereof |
| CN102391420A (en) * | 2011-07-29 | 2012-03-28 | 陕西科技大学 | Surface sizing agent for printing and writing paper and preparation method thereof |
| CN105713131A (en) * | 2014-12-04 | 2016-06-29 | 上海东升新材料有限公司 | Styrene-acrylic emulsion, preparation method and application thereof |
| CN109577085A (en) * | 2018-12-12 | 2019-04-05 | 上海东升新材料有限公司 | A kind of preparation method and applications of water-resistant type paper surface sizing agent |
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| CN101177923A (en) * | 2007-11-30 | 2008-05-14 | 华南理工大学 | Styrene-acrylic emulsion surface sizing agent for paper-making and method for synthesizing the same |
| CN101544717A (en) * | 2009-04-27 | 2009-09-30 | 华南理工大学 | Styrene-acrylic microemulsion surface sizing agent with high solid content and core shell structure and preparation method and application thereof |
| US20090324666A1 (en) * | 2008-06-25 | 2009-12-31 | Baxter International Inc. | Methods for making antimicrobial resins |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101177923A (en) * | 2007-11-30 | 2008-05-14 | 华南理工大学 | Styrene-acrylic emulsion surface sizing agent for paper-making and method for synthesizing the same |
| US20090324666A1 (en) * | 2008-06-25 | 2009-12-31 | Baxter International Inc. | Methods for making antimicrobial resins |
| CN101544717A (en) * | 2009-04-27 | 2009-09-30 | 华南理工大学 | Styrene-acrylic microemulsion surface sizing agent with high solid content and core shell structure and preparation method and application thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312394A (en) * | 2011-07-29 | 2012-01-11 | 陕西科技大学 | Cationic surface sizing agent of fine paper and preparation method thereof |
| CN102391419A (en) * | 2011-07-29 | 2012-03-28 | 陕西科技大学 | Self-crosslinking reactive emulsifier core-shell surface sizing agent and preparation method thereof |
| CN102391420A (en) * | 2011-07-29 | 2012-03-28 | 陕西科技大学 | Surface sizing agent for printing and writing paper and preparation method thereof |
| CN102391420B (en) * | 2011-07-29 | 2013-09-11 | 陕西科技大学 | Surface sizing agent for printing and writing paper and preparation method thereof |
| CN105713131A (en) * | 2014-12-04 | 2016-06-29 | 上海东升新材料有限公司 | Styrene-acrylic emulsion, preparation method and application thereof |
| CN109577085A (en) * | 2018-12-12 | 2019-04-05 | 上海东升新材料有限公司 | A kind of preparation method and applications of water-resistant type paper surface sizing agent |
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| CN101870757B (en) | 2011-12-07 |
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