CN103388279A - Biodegradable vegetable fiber composite film and preparation method thereof - Google Patents
Biodegradable vegetable fiber composite film and preparation method thereof Download PDFInfo
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- CN103388279A CN103388279A CN2012101371565A CN201210137156A CN103388279A CN 103388279 A CN103388279 A CN 103388279A CN 2012101371565 A CN2012101371565 A CN 2012101371565A CN 201210137156 A CN201210137156 A CN 201210137156A CN 103388279 A CN103388279 A CN 103388279A
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Abstract
The invention belongs to the technical field of composite material and relates to a vegetable fiber composite film and a preparation method thereof. The composite film is prepared from the following ingredients, by weight: 77-105 parts of a vegetable fiber layer and 120-190 parts of a biological starch colloid. The vegetable fiber composite film provided by the invention has simple preparation method, low cost and wide scope of application; meanwhile, due to the enhancement of the vegetable fiber on the film, the product has excellent stretching performance, and can be completely biodegraded without causing environmental pollution, so as to realize high social added value.
Description
Technical field
The invention belongs to technical field of composite materials, relate to a kind of string laminated film and preparation method.
Background technology
Growing along with World Economics, plastic membrane product is applied to every field widely, but common oil plastic sheeting face is faced with the problem of degraded difficulty, our natural environments of depending on for existence that measured greatly the serious pollution of plastic sheeting rubbish.In order to overcome this global problem of white pollution, had at present a lot of scientific research personnel to develop degradation material, but these materials exist production cost high, material property is unstable, very little of the problems such as poor mechanical property, its range of application.
Summary of the invention
The object of the invention is to provides a kind of Biodegradable plant fibre laminated film and preparation method for the deficiency that prior art exists.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of string laminated film, made by the component that comprises following weight portion:
77 ~ 105 parts of plant fiber layer,
120 ~ 190 parts, biological starch colloid.
The grammes per square metre of described string laminated film is 40-70g/ ㎡.
Wherein, described plant fiber layer is made by the component that comprises following weight portion:
70 ~ 100 parts of plant fiber pulp,
1 ~ 2 part of converted starch,
0.3 ~ 0.6 part of neutral rosin sizes,
0.2 ~ 0.5 part of paraffin wax emulsions,
3 ~ 5 parts of nano inorganic reinforcing agents,
5 ~ 10 parts of wet strength agents,
0.5 ~ 1 part of dry strength agent.
Described plant fiber pulp is selected from long fiber wood pulp, long fiber jute pulp or long fiber dragon cave straw pulp.
Described converted starch is selected from phosphate ester starch, quaternary ammonium cation starch or carboxyethylation starch.
Described nano inorganic reinforcing agent is selected from imvite, calcium carbonate, clay, mica, molybdenum oxide, and particle diameter is in 10 ~ 20 nanometers.
Described wet strength agent is selected from WS-1 wet strength agent for papermaking or WA wet strength agent (Guangzhou Yuan Yuan papermaking chemical product Co., Ltd).
Described dry strength agent is selected from polyacrylamide or CN-880 paper making additive (Guangzhou Yuan Yuan papermaking chemical product Co., Ltd).
Described biological starch colloid is made by the component that comprises following weight portion:
50 ~ 80 parts of biological starch,
30 ~ 40 parts of gelatinized starches,
20 ~ 40 parts of polyvinyl alcohol,
20 ~ 30 parts of PLAs.
Described biological starch is selected from cornstarch, potato starch or bean starch etc.
Described potato starch is farina or tapioca.
Described bean starch is green starch or pea starch.
Described gelatinized starch is that the biological starch that is 4-26 μ m with particle diameter is that 64-72 ℃ of lower gelatinization forms in temperature.
A kind of preparation method of above-mentioned string laminated film comprises the following steps:
(1) take by weight 70 ~ 100 parts of plant fiber pulp, 1 ~ 2 part of converted starch, 0.3 ~ 0.6 part of neutral rosin sizes, 0.2 ~ 0.5 part of paraffin wax emulsions, 3 ~ 5 parts of nano inorganic reinforcing agents, 0.5 ~ 1 part of 5 ~ 10 parts of wet strength agents and dry strength agent add in former stock tank, then add 250 ~ 450 parts of water to mix, and obtain mixed liquor;
(2) the pH value that then adds pH adjusting agent to regulate mixed liquor in above-mentioned mixed liquor is 5 ~ 6, desanding;
(3) mixed liquor that obtains in step (2) is added in paper making equipment and makes vegetable fibre net;
(4) take by weight 50 ~ 80 parts of biological starch, 30 ~ 40 parts of gelatinized starches, 20 ~ 30 parts of 20 ~ 40 parts of polyvinyl alcohol and PLAs are put into high-speed mixer and are mixed, rotating speed 1000 ~ 1500r/m, and incorporation time is 10 ~ 15min, obtains the biological starch colloid;
(5) the biological starch colloid that step (4) is made is put into medical solution pool;
(6) plant fiber layer of preparation in step (3) is passed through medical solution pool, with the biological starch colloid to the two-sided applying glue of plant fiber layer, oven dry under 40 ~ 80 ℃, obtain described string laminated film, in film, the weight ratio of plant fiber layer and biological starch colloid is (77 ~ 105): (120 ~ 190).
Described pH adjusting agent is aluminum sulfate.
The present invention has following beneficial effect:
Its preparation technology of Biodegradable plant fibre laminated film provided by the invention is simple, with low cost, applied range, simultaneously because of the enhancing of string to film, product has good tensile property, and product fully biodegradable non-environmental-pollution, and social added value is high.
The specific embodiment
The present invention is further illustrated below in conjunction with embodiment, and except specifying, the mark of raw material is weight portion.
WS-1 wet strength agent for papermaking, WA wet strength agent and the buying of CN-880 paper making additive are from Guangzhou Yuan Yuan papermaking chemical product Co., Ltd, and other raw materials are commercially available.
Embodiment 1
Obtain each raw material by following component:
Plant fiber layer raw material: 70 parts of long fiber wood pulps, 1 part of phosphate ester starch, 0.3 part of neutral rosin sizes, 0.2 part of paraffin wax emulsions, clay 3.8 parts of (15 nanometer), 5 parts of WS-1 wet strength agent for papermaking, 0.5 part of polyacrylamide dry strength agent
Biological starch colloid raw material: 30 parts of the gelatinization cornstarchs of 50 parts of cornstarchs, 4 μ m, 20 parts of polyvinyl alcohol, 20 parts of PLAs.
The various raw materials of producing plant fiber layer are put into former stock tank according to the above ratio to be mixed, add 250 parts of water, then add aluminum sulfate to regulate the pH value of liquid in mixed liquor, the pH value is adjusted to 5, desanding, use paper making equipment that mixed liquor is made vegetable fibre net.
The various raw materials of producing the biological starch colloid are put into high-speed mixer according to the above ratio mix, rotating speed 1000r/m, time 10min, put into medical solution pool with the colloid that makes.
The plant fiber layer that to produce from paper making equipment is passed through medical solution pool, with the biological starch colloid to the two-sided applying glue of plant fiber layer, oven dry under 40 ℃, obtain the string laminated film, in film, the weight ratio of plant fiber layer and biological starch colloid is 77:120, and the grammes per square metre of film is quantitatively 40g/ ㎡.
Embodiment 2
Obtain each raw material by following component:
Plant fiber layer raw material: 80 parts of long fiber jute pulps, 1.5 parts of quaternary ammonium cation starch, 0.4 part of neutral rosin sizes, 0.3 part of paraffin wax emulsions, imvite 3 parts of (10 nanometer), 7 parts of WA wet strength agents, 0.7 part of CN-880 paper making additive.
Biological starch colloid raw material: 30 parts of the gelatinization cornstarchs of 60 parts of farinas, 10 μ m, 30 parts of polyvinyl alcohol, 20 parts of PLAs.
The various raw materials of producing plant fiber layer are put into former stock tank according to the above ratio to be mixed, add 360 parts of water, then add aluminum sulfate to regulate the pH value of liquid in mixed liquor, the pH value is adjusted to 5, desanding, use paper making equipment that mixed liquor is made vegetable fibre net.
The various raw materials of producing the biological starch colloid are put into high-speed mixer according to the above ratio mix, rotating speed 1200r/m, time 12min, put into medical solution pool with the colloid that makes.
The plant fiber layer that to produce from paper making equipment is passed through medical solution pool, with the biological starch colloid to the two-sided applying glue of plant fiber layer, obtaining the string laminated film after oven dry under 60 ℃, in film, the weight ratio of plant fiber layer and biological starch colloid is 90:150, and the grammes per square metre of film is quantitatively 50g/ ㎡.
Embodiment 3
Obtain each raw material by following component:
Plant fiber layer raw material: 90 parts of long fiber dragon cave straw pulps, 1.8 parts of carboxyethylation starch, 0.5 part of neutral rosin sizes, 0.4 part of paraffin wax emulsions, calcium carbonate 4 parts of (20 nanometer), 9 parts of WA wet strength agents, 0.9 part of polyacrylamide.
Biological starch colloid raw material: 40 parts of the gelatinization green starch of 80 parts of green starch, 18 μ m, 40 parts of polyvinyl alcohol, 30 parts of PLAs.
The various raw materials of producing plant fiber layer are put into former stock tank according to the above ratio to be mixed, add 400 parts of water, then add aluminum sulfate to regulate the pH value of liquid in mixed liquor, the pH value is adjusted to 6, desanding, use paper making equipment that mixed liquor is made vegetable fibre net.
The various raw materials of producing the biological starch colloid are put into high-speed mixer according to the above ratio mix, rotating speed 1400r/m, time 14min, put into medical solution pool with the colloid that makes.
The plant fiber layer that to produce from paper making equipment is passed through medical solution pool, with the biological starch colloid to the two-sided applying glue of plant fiber layer, after oven dry under 80 ℃, obtain the string laminated film, in film, the weight ratio of plant fiber layer and biological starch colloid is 100:170, and the grammes per square metre of film is quantitatively 60g/ ㎡.
Embodiment 4
Obtain each raw material by following component:
Plant fiber layer raw material: 100 parts of long fiber wood pulps, 2 parts of carboxyethylation starch, 0.6 part of neutral rosin sizes, 0.5 part of paraffin wax emulsions, imvite 5 parts of (10 nanometer), 10 parts of WS-1 wet strength agents, 1 part of CN-880 paper making additive.
Biological starch colloid raw material: 40 parts of the gelatinization tapiocas of 80 parts of tapiocas, 26 μ m, 40 parts of polyvinyl alcohol, 30 parts of PLAs.
The various raw materials of producing plant fiber layer are put into former stock tank according to the above ratio to be mixed, add 450 parts of water, then add aluminum sulfate to regulate the pH value of liquid in mixed liquor, the pH value is adjusted to 6, desanding, use paper making equipment that mixed liquor is made vegetable fibre net.
The various raw materials of producing the biological starch colloid are put into high-speed mixer according to the above ratio mix, rotating speed 1500r/m, time 15min, put into medical solution pool with the colloid that makes.
The plant fiber layer that to produce from paper making equipment is passed through medical solution pool, with the biological starch colloid to the two-sided applying glue of plant fiber layer, obtaining the string laminated film after oven dry under 60 ℃, in film, the weight ratio of plant fiber layer and biological starch colloid is that the grammes per square metre of 105:190 film is quantitatively 70g/ ㎡.
Table 1 is the specific performance of the product for preparing in the various embodiments described above.
Table 1
Can analyze by upper table data, the string laminated film biodegradability that the present invention makes is good, can meet the needs of use on mechanical property, and technique of the present invention is simple, with low cost, applied range, product fully biodegradable non-environmental-pollution, society's added value is high, is a kind of composite material film of novel harmony.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and in the General Principle of this explanation is applied to other embodiment and needn't pass through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. string laminated film is characterized in that: by the component that comprises following weight portion, made:
77 ~ 105 parts of plant fiber layer,
120 ~ 190 parts, biological starch colloid.
2. string laminated film according to claim 1, it is characterized in that: the grammes per square metre of described string laminated film is 40-70g/ ㎡.
3. string laminated film according to claim 1, it is characterized in that: described plant fiber layer is made by the component that comprises following weight portion:
70 ~ 100 parts of plant fiber pulp,
1 ~ 2 part of converted starch,
0.3 ~ 0.6 part of neutral rosin sizes,
0.2 ~ 0.5 part of paraffin wax emulsions,
3 ~ 5 parts of nano inorganic reinforcing agents,
5 ~ 10 parts of wet strength agents,
0.5 ~ 1 part of dry strength agent.
4. string laminated film according to claim 3 is characterized in that: described plant fiber pulp is selected from long fiber wood pulp, long fiber jute pulp or long fiber dragon cave straw pulp;
Or described converted starch is selected from phosphate ester starch, quaternary ammonium cation starch or carboxyethylation starch;
Or described nano inorganic reinforcing agent is selected from imvite, calcium carbonate, clay, mica, molybdenum oxide, and particle diameter is in 10 ~ 20 nanometers;
Or described wet strength agent is selected from WS-1 wet strength agent for papermaking or WA wet strength agent;
Or described dry strength agent is selected from polyacrylamide or CN-880 paper making additive.
5. string laminated film according to claim 1, it is characterized in that: described biological starch colloid is made by the component that comprises following weight portion:
50 ~ 80 parts of biological starch,
30 ~ 40 parts of gelatinized starches,
20 ~ 40 parts of polyvinyl alcohol,
20 ~ 30 parts of PLAs.
6. string laminated film according to claim 5, it is characterized in that: described biological starch is selected from cornstarch, potato starch or bean starch.
7. string laminated film according to claim 6, it is characterized in that: described potato starch is farina or tapioca;
Or described bean starch is green starch or pea starch.
8. string laminated film according to claim 5, it is characterized in that: described gelatinized starch is that the biological starch that is 4-26 μ m with particle diameter is that 64-72 ℃ of lower gelatinization forms in temperature.
9. the preparation method of arbitrary described string laminated film in a claim 1-8 is characterized in that: comprise the following steps:
(1) take by weight 70 ~ 100 parts of plant fiber pulp, 1 ~ 2 part of converted starch, 0.3 ~ 0.6 part of neutral rosin sizes, 0.2 ~ 0.5 part of paraffin wax emulsions, 3 ~ 5 parts of nano inorganic reinforcing agents, 0.5 ~ 1 part of 5 ~ 10 parts of wet strength agents and dry strength agent add in former stock tank, then add 250 ~ 450 parts of water to mix, and obtain mixed liquor;
(2) the pH value that then adds pH adjusting agent to regulate mixed liquor in above-mentioned mixed liquor is 5 ~ 6, desanding;
(3) mixed liquor that obtains in step (2) is added in paper making equipment and makes vegetable fibre net;
(4) take by weight 50 ~ 80 parts of biological starch, 30 ~ 40 parts of gelatinized starches, 20 ~ 30 parts of 20 ~ 40 parts of polyvinyl alcohol and PLAs are put into high-speed mixer and are mixed, rotating speed 1000 ~ 1500r/m, and incorporation time is 10 ~ 15min, obtains the biological starch colloid;
(5) the biological starch colloid that step (4) is made is put into medical solution pool;
(6) plant fiber layer of preparation in step (3) is passed through medical solution pool, with the biological starch colloid to the two-sided applying glue of plant fiber layer, oven dry under 40 ~ 80 ℃, obtain described string laminated film, in film, the weight ratio of plant fiber layer and biological starch colloid is (77 ~ 105): (120 ~ 190).
10. preparation method according to claim 9, it is characterized in that: described pH adjusting agent is aluminum sulfate.
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| CN2012101371565A CN103388279A (en) | 2012-05-07 | 2012-05-07 | Biodegradable vegetable fiber composite film and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105085966A (en) * | 2015-09-14 | 2015-11-25 | 苏州法斯特信息科技有限公司 | Reinforced toughened plant fiber composite film and preparation method thereof |
| CN105970480A (en) * | 2016-07-08 | 2016-09-28 | 阜南县财亿园林工艺品有限公司 | Method for preparing basic material - fiber mixed non-woven fabric |
| CN106192211A (en) * | 2016-07-08 | 2016-12-07 | 阜南县财亿园林工艺品有限公司 | A kind of preparation method of porous fibre non-woven fabrics |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105085966A (en) * | 2015-09-14 | 2015-11-25 | 苏州法斯特信息科技有限公司 | Reinforced toughened plant fiber composite film and preparation method thereof |
| CN105970480A (en) * | 2016-07-08 | 2016-09-28 | 阜南县财亿园林工艺品有限公司 | Method for preparing basic material - fiber mixed non-woven fabric |
| CN106192211A (en) * | 2016-07-08 | 2016-12-07 | 阜南县财亿园林工艺品有限公司 | A kind of preparation method of porous fibre non-woven fabrics |
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Application publication date: 20131113 |