CN105349035A - Solvent-free organic silicon release agent and preparation method thereof - Google Patents
Solvent-free organic silicon release agent and preparation method thereof Download PDFInfo
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- CN105349035A CN105349035A CN201510876478.5A CN201510876478A CN105349035A CN 105349035 A CN105349035 A CN 105349035A CN 201510876478 A CN201510876478 A CN 201510876478A CN 105349035 A CN105349035 A CN 105349035A
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Abstract
The invention provides a solvent-free organic silicon release agent and a preparation method thereof. The solvent-free organic silicon release agent comprises the following raw materials: vinyl-terminated polydimethylsiloxane, vinyl-terminated polymethylvinylsiloxane, sodium methyl silicate, sodium ethyl silicate, methyl hydrogen silicone oil, acrylic acid, sodium chloroplatinate, 1,3-divinyltetramethyldisiloxane, sodium bicarbonate, ethanol, methyl salicylate, pentaerythritol and diphenylamine. The preparation method comprises the following steps: mixing sodium chloroplatinate, 1,3-divinyltetramethyldisiloxane, sodium bicarbonate and ethanol; heating the obtained mixture to be 70-80 DEG C; stirring for 10-20 min; adding the remaining ingredients after cooling to be 25-35 DEG C; uniformly stirring to obtain the solvent-free organic silicon release agent . The solvent-free organic silicon release agent is good in coating property, favorable in release effect and smooth in release surface, and the preparation method is simple in step, easy to control, easy for industrial production and low in production cost.
Description
Technical field
The present invention relates to stripper field, be specifically related to a kind of no-solvent type silicone release agent and preparation method thereof.
Background technology
Stripper is also known as separant, tack reducing material, parting agent.Solvent-borne type, emulsion-type and no-solvent type three major types mainly can be divided into from a type point silicone release agent for product.Solvent evaporates in solvent-borne type stripper can endanger health of human body, contaminate environment is simultaneously inflammable, and also need to configure anti-flaming equipment, use and there is safety problem, developed country does not re-use at present.Be the recovery problem of solvent in addition, head it off just to need at substantial man power and material; And emulsion-type stripper drying power consumption is comparatively large, produce also inconvenient; And no-solvent type stripper overcomes the safety problem in the environmental pollution and production operation that solvent-borne type stripper brings because of solvent, have and environment is not polluted, be not detrimental to health, simultaneously fast, the anti-stick effect stability of curing speed, be conducive at a high speed, continuous seepage, the advantage that production efficiency is high.
Summary of the invention
the technical problem solved:the object of this invention is to provide a kind of no-solvent type silicone release agent, there is coating good, there is good peeling effect simultaneously, and the feature that stripper surface is smooth.
technical scheme:a kind of no-solvent type silicone release agent, comprise with parts by weight: end-vinyl polydimethylsiloxane 45-55 part, end-vinyl Polymethyl methacrylate 45-55 part, sodium methyl silicate 1-3 part, sodium ethylsiliconate 1-3 part, Methyl Hydrogen Polysiloxane Fluid 1-3 part, vinylformic acid 1-3 part, sodium platinichloride 1-2 part, 1,3-divinyl tetramethyl disiloxane 2-4 part, sodium bicarbonate 1-2 part, ethanol 5-10 part, wintergreen oil 1-2 part, tetramethylolmethane 1-2 part, pentanoic 0.1-0.5 part.
Preferred further, described a kind of no-solvent type silicone release agent, comprise with parts by weight: end-vinyl polydimethylsiloxane 47-53 part, end-vinyl Polymethyl methacrylate 47-53 part, sodium methyl silicate 1.5-2.5 part, sodium ethylsiliconate 1.5-2.5 part, Methyl Hydrogen Polysiloxane Fluid 1.5-2.5 part, vinylformic acid 1.5-2.5 part, sodium platinichloride 1.2-1.8 part, 1, 3-divinyl tetramethyl disiloxane 2.5-3.5 part, sodium bicarbonate 1.2-1.8 part, ethanol 6-9 part, wintergreen oil 1.2-1.8 part, tetramethylolmethane 1.2-1.8 part, pentanoic 0.2-0.4 part.
The preparation method of above-mentioned no-solvent type silicone release agent comprises the following steps:
Step 1: first sodium platinichloride, 1,3-divinyl tetramethyl disiloxane, sodium bicarbonate and ethanol are mixed and heated to 70-80 DEG C and stir 10-20 minute;
Step 2: add end-vinyl polydimethylsiloxane, end-vinyl Polymethyl methacrylate, sodium methyl silicate, sodium ethylsiliconate, Methyl Hydrogen Polysiloxane Fluid, vinylformic acid, wintergreen oil, tetramethylolmethane and pentanoic after the mixed solution of step 1 gained is cooled to 25-35 DEG C, mixing and stirring and get final product.
Preferred further, in step 1, Heating temperature is 72-78 DEG C, and churning time is 12-18 minute.
Preferred further, in step 2, cooling temperature is 27-33 DEG C.
beneficial effect:no-solvent type silicone release agent coating of the present invention is good, can be coated with very even, be convenient to peel off; There is good peeling effect simultaneously, basic noresidue; And stripper surface is smooth, original quality product can not be affected; And preparation method of the present invention is comparatively simple, react also easy to control, be convenient to suitability for industrialized production, production cost is low.
Embodiment
Embodiment 1
A kind of no-solvent type silicone release agent, comprise with parts by weight: end-vinyl polydimethylsiloxane 45 parts, end-vinyl Polymethyl methacrylate 45 parts, sodium methyl silicate 1 part, sodium ethylsiliconate 1 part, Methyl Hydrogen Polysiloxane Fluid 1 part, 1 part, vinylformic acid, sodium platinichloride 1 part, 1,3-divinyl tetramethyl disiloxane 2 parts, sodium bicarbonate 1 part, ethanol 5 parts, wintergreen oil 1 part, tetramethylolmethane 1 part, pentanoic 0.1 part.
The preparation method of above-mentioned no-solvent type silicone release agent is: first by sodium platinichloride, 1,3-divinyl tetramethyl disiloxane, sodium bicarbonate and ethanol are mixed and heated to 70 DEG C and stir 10 minutes, end-vinyl polydimethylsiloxane, end-vinyl Polymethyl methacrylate, sodium methyl silicate, sodium ethylsiliconate, Methyl Hydrogen Polysiloxane Fluid, vinylformic acid, wintergreen oil, tetramethylolmethane and pentanoic is added, mixing and stirring and get final product after the mixed solution of gained is cooled to 25 DEG C.
Embodiment 2
A kind of no-solvent type silicone release agent, comprise with parts by weight: end-vinyl polydimethylsiloxane 47 parts, end-vinyl Polymethyl methacrylate 47 parts, sodium methyl silicate 1.5 parts, sodium ethylsiliconate 1.5 parts, Methyl Hydrogen Polysiloxane Fluid 1.5 parts, 1.5 parts, vinylformic acid, sodium platinichloride 1.2 parts, 1,3-divinyl tetramethyl disiloxane 2.5 parts, sodium bicarbonate 1.2 parts, ethanol 6 parts, wintergreen oil 1.2 parts, tetramethylolmethane 1.2 parts, pentanoic 0.2 part.
The preparation method of above-mentioned no-solvent type silicone release agent is: first by sodium platinichloride, 1,3-divinyl tetramethyl disiloxane, sodium bicarbonate and ethanol are mixed and heated to 72 DEG C and stir 12 minutes, end-vinyl polydimethylsiloxane, end-vinyl Polymethyl methacrylate, sodium methyl silicate, sodium ethylsiliconate, Methyl Hydrogen Polysiloxane Fluid, vinylformic acid, wintergreen oil, tetramethylolmethane and pentanoic is added, mixing and stirring and get final product after the mixed solution of gained is cooled to 27 DEG C.
Embodiment 3
A kind of no-solvent type silicone release agent, comprise with parts by weight: end-vinyl polydimethylsiloxane 53 parts, end-vinyl Polymethyl methacrylate 53 parts, sodium methyl silicate 2.5 parts, sodium ethylsiliconate 2.5 parts, Methyl Hydrogen Polysiloxane Fluid 2.5 parts, 2.5 parts, vinylformic acid, sodium platinichloride 1.8 parts, 1,3-divinyl tetramethyl disiloxane 3.5 parts, sodium bicarbonate 1.8 parts, ethanol 9 parts, wintergreen oil 1.8 parts, tetramethylolmethane 1.8 parts, pentanoic 0.4 part.
The preparation method of above-mentioned no-solvent type silicone release agent is: first by sodium platinichloride, 1,3-divinyl tetramethyl disiloxane, sodium bicarbonate and ethanol are mixed and heated to 78 DEG C and stir 18 minutes, end-vinyl polydimethylsiloxane, end-vinyl Polymethyl methacrylate, sodium methyl silicate, sodium ethylsiliconate, Methyl Hydrogen Polysiloxane Fluid, vinylformic acid, wintergreen oil, tetramethylolmethane and pentanoic is added, mixing and stirring and get final product after the mixed solution of gained is cooled to 33 DEG C.
Embodiment 4
A kind of no-solvent type silicone release agent, comprise with parts by weight: end-vinyl polydimethylsiloxane 50 parts, end-vinyl Polymethyl methacrylate 50 parts, sodium methyl silicate 2 parts, sodium ethylsiliconate 2 parts, Methyl Hydrogen Polysiloxane Fluid 2 parts, 2 parts, vinylformic acid, sodium platinichloride 1.5 parts, 1,3-divinyl tetramethyl disiloxane 3 parts, sodium bicarbonate 1.5 parts, ethanol 7 parts, wintergreen oil 1.5 parts, tetramethylolmethane 1.5 parts, pentanoic 0.3 part.
The preparation method of above-mentioned no-solvent type silicone release agent is: first by sodium platinichloride, 1,3-divinyl tetramethyl disiloxane, sodium bicarbonate and ethanol are mixed and heated to 75 DEG C and stir 15 minutes, end-vinyl polydimethylsiloxane, end-vinyl Polymethyl methacrylate, sodium methyl silicate, sodium ethylsiliconate, Methyl Hydrogen Polysiloxane Fluid, vinylformic acid, wintergreen oil, tetramethylolmethane and pentanoic is added, mixing and stirring and get final product after the mixed solution of gained is cooled to 30 DEG C.
Embodiment 5
A kind of no-solvent type silicone release agent, comprise with parts by weight: end-vinyl polydimethylsiloxane 55 parts, end-vinyl Polymethyl methacrylate 55 parts, sodium methyl silicate 3 parts, sodium ethylsiliconate 3 parts, Methyl Hydrogen Polysiloxane Fluid 3 parts, 3 parts, vinylformic acid, sodium platinichloride 2 parts, 1,3-divinyl tetramethyl disiloxane 4 parts, sodium bicarbonate 2 parts, ethanol 10 parts, wintergreen oil 2 parts, tetramethylolmethane 2 parts, pentanoic 0.5 part.
The preparation method of above-mentioned no-solvent type silicone release agent is: first by sodium platinichloride, 1,3-divinyl tetramethyl disiloxane, sodium bicarbonate and ethanol are mixed and heated to 80 DEG C and stir 20 minutes, end-vinyl polydimethylsiloxane, end-vinyl Polymethyl methacrylate, sodium methyl silicate, sodium ethylsiliconate, Methyl Hydrogen Polysiloxane Fluid, vinylformic acid, wintergreen oil, tetramethylolmethane and pentanoic is added, mixing and stirring and get final product after the mixed solution of gained is cooled to 35 DEG C.
Comparative example 1
The difference of the present embodiment and embodiment 5 is not containing sodium platinichloride and 1,3-divinyl tetramethyl disiloxane.Specifically:
A kind of no-solvent type silicone release agent, comprises with parts by weight: end-vinyl polydimethylsiloxane 55 parts, end-vinyl Polymethyl methacrylate 55 parts, sodium methyl silicate 3 parts, sodium ethylsiliconate 3 parts, Methyl Hydrogen Polysiloxane Fluid 3 parts, 3 parts, vinylformic acid, sodium bicarbonate 2 parts, ethanol 10 parts, wintergreen oil 2 parts, tetramethylolmethane 2 parts, pentanoic 0.5 part.
The preparation method of above-mentioned no-solvent type silicone release agent is: first sodium bicarbonate and ethanol are mixed and heated to 80 DEG C and stir 20 minutes, end-vinyl polydimethylsiloxane, end-vinyl Polymethyl methacrylate, sodium methyl silicate, sodium ethylsiliconate, Methyl Hydrogen Polysiloxane Fluid, vinylformic acid, wintergreen oil, tetramethylolmethane and pentanoic is added, mixing and stirring and get final product after the mixed solution of gained is cooled to 35 DEG C.
Comparative example 2
The difference of the present embodiment and embodiment 5 is not containing sodium methyl silicate sodium ethylsiliconate.Specifically:
A kind of no-solvent type silicone release agent, comprise with parts by weight: end-vinyl polydimethylsiloxane 55 parts, end-vinyl Polymethyl methacrylate 55 parts, Methyl Hydrogen Polysiloxane Fluid 3 parts, 3 parts, vinylformic acid, sodium platinichloride 2 parts, 1,3-divinyl tetramethyl disiloxane 4 parts, sodium bicarbonate 2 parts, ethanol 10 parts, wintergreen oil 2 parts, tetramethylolmethane 2 parts, pentanoic 0.5 part.
The preparation method of above-mentioned no-solvent type silicone release agent is: first by sodium platinichloride, 1,3-divinyl tetramethyl disiloxane, sodium bicarbonate and ethanol are mixed and heated to 80 DEG C and stir 20 minutes, end-vinyl polydimethylsiloxane, end-vinyl Polymethyl methacrylate, Methyl Hydrogen Polysiloxane Fluid, vinylformic acid, wintergreen oil, tetramethylolmethane and pentanoic is added, mixing and stirring and get final product after the mixed solution of gained is cooled to 35 DEG C.
Each embodiment and comparative example are compared, comparing result is as following table 1:
The performance index of table 1 stripper
| Example | Coating | Slipperiness (1-9 level) | Stripping ability |
| Embodiment 1 | Good | 2 | |
| Embodiment 2 | Good | 2 | |
| Embodiment 3 | Good | 1 | |
| Embodiment 4 | Good | 1 | |
| Embodiment 5 | Good | 2 | |
| Reference examples 1 | Good | 2 | |
| Reference examples 2 | Generally | 3 |
Note:
peel off completely;
major part is stripped;
major part is not stripped; × can not peel off.Slipperiness presses the assessment of 1-9 level, 1 grade of the best, and represent unusual light after peeling off, 9 grades the poorest, represents and peels off rear surface and unfairness thereof.
As known from Table 1, the coating of embodiments of the invention 1-5, slipperiness and stripping ability are all better.Compare with comparative example, sodium platinichloride and 1 can be drawn, 3-divinyl tetramethyl disiloxane has very large effect to peeling effect of the present invention, may be because the catalyzer that sodium platinichloride and 1,3-divinyl tetramethyl disiloxane can form platinum carrys out the follow-up reaction of catalysis; And sodium methyl silicate sodium ethylsiliconate have impact on coating and the slipperiness of stripper as water-resisting agent and linking agent.In addition, the coating of the stripper of embodiment 3 gained, slipperiness and stripping ability are all best, are optimum embodiments of the present invention.
Claims (5)
1. a no-solvent type silicone release agent, it is characterized in that: comprise with parts by weight: end-vinyl polydimethylsiloxane 45-55 part, end-vinyl Polymethyl methacrylate 45-55 part, sodium methyl silicate 1-3 part, sodium ethylsiliconate 1-3 part, Methyl Hydrogen Polysiloxane Fluid 1-3 part, vinylformic acid 1-3 part, sodium platinichloride 1-2 part, 1,3-divinyl tetramethyl disiloxane 2-4 part, sodium bicarbonate 1-2 part, ethanol 5-10 part, wintergreen oil 1-2 part, tetramethylolmethane 1-2 part, pentanoic 0.1-0.5 part.
2. a kind of no-solvent type silicone release agent according to claim 1, it is characterized in that: comprise with parts by weight: end-vinyl polydimethylsiloxane 47-53 part, end-vinyl Polymethyl methacrylate 47-53 part, sodium methyl silicate 1.5-2.5 part, sodium ethylsiliconate 1.5-2.5 part, Methyl Hydrogen Polysiloxane Fluid 1.5-2.5 part, vinylformic acid 1.5-2.5 part, sodium platinichloride 1.2-1.8 part, 1, 3-divinyl tetramethyl disiloxane 2.5-3.5 part, sodium bicarbonate 1.2-1.8 part, ethanol 6-9 part, wintergreen oil 1.2-1.8 part, tetramethylolmethane 1.2-1.8 part, pentanoic 0.2-0.4 part.
3. the preparation method of a kind of no-solvent type silicone release agent described in any one of claim 1 to 2, is characterized in that: comprise the following steps:
Step 1: first sodium platinichloride, 1,3-divinyl tetramethyl disiloxane, sodium bicarbonate and ethanol are mixed and heated to 70-80 DEG C and stir 10-20 minute;
Step 2: add end-vinyl polydimethylsiloxane, end-vinyl Polymethyl methacrylate, sodium methyl silicate, sodium ethylsiliconate, Methyl Hydrogen Polysiloxane Fluid, vinylformic acid, wintergreen oil, tetramethylolmethane and pentanoic after the mixed solution of step 1 gained is cooled to 25-35 DEG C, mixing and stirring and get final product.
4. the preparation method of a kind of no-solvent type silicone release agent according to claim 3, it is characterized in that: in described step 1, Heating temperature is 72-78 DEG C, churning time is 12-18 minute.
5. the preparation method of a kind of no-solvent type silicone release agent according to claim 3, is characterized in that: in described step 2, cooling temperature is 27-33 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510876478.5A CN105349035A (en) | 2015-12-03 | 2015-12-03 | Solvent-free organic silicon release agent and preparation method thereof |
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| CN201510876478.5A CN105349035A (en) | 2015-12-03 | 2015-12-03 | Solvent-free organic silicon release agent and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107880300A (en) * | 2017-12-01 | 2018-04-06 | 东莞戴卡电子科技有限公司 | A kind of preparation method for changing PET film surface off-type force |
| CN109293964A (en) * | 2018-09-28 | 2019-02-01 | 苏州市星辰科技有限公司 | A kind of release film and preparation method thereof of resistance to air exposure |
| CN116082958A (en) * | 2022-12-14 | 2023-05-09 | 北京东方雨虹防水技术股份有限公司 | Organosilicon waterproof coating and preparation method thereof |
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| CN102676057A (en) * | 2012-05-04 | 2012-09-19 | 浙江恒业成有机硅有限公司 | Addition-type organic silicon separant composite and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880300A (en) * | 2017-12-01 | 2018-04-06 | 东莞戴卡电子科技有限公司 | A kind of preparation method for changing PET film surface off-type force |
| CN109293964A (en) * | 2018-09-28 | 2019-02-01 | 苏州市星辰科技有限公司 | A kind of release film and preparation method thereof of resistance to air exposure |
| CN116082958A (en) * | 2022-12-14 | 2023-05-09 | 北京东方雨虹防水技术股份有限公司 | Organosilicon waterproof coating and preparation method thereof |
| CN116082958B (en) * | 2022-12-14 | 2024-03-22 | 北京东方雨虹防水技术股份有限公司 | Organosilicon waterproof coating and preparation method thereof |
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Application publication date: 20160224 |