CN103351812B - A kind of water-based parting agent and preparation method thereof and the separate-type paper utilizing this water-based parting agent to prepare - Google Patents
A kind of water-based parting agent and preparation method thereof and the separate-type paper utilizing this water-based parting agent to prepare Download PDFInfo
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Abstract
The invention discloses a kind of water-based parting agent and preparation method thereof and the separate-type paper utilizing this water-based parting agent to prepare, with parts by weight, the raw material of parting agent consists of: organosilane monomer 1-50 part; Ethenyl blocking agent 1-50 part; Synolac 1-50 part; Emulsifying agent 1-10 part; Catalyzer 1-10 part; Deionized water 100-160 part; PH value regulator 0.1-10 part; Linking agent 1-10 part; Platinum class catalyzer 0.01-1 part.Parting agent raw material of the present invention is cheap and easy to get, and making method is simple, and the parting agent layer of use is using water as dispersion agent, organic solvent-free discharges, safety and environmental protection, and the separate-type paper thermal curing time utilizing this parting agent to prepare is short, be suitable for suitability for industrialized production, and the separate-type paper excellent property prepared.
Description
Technical field
The present invention relates to leatheroid processing and manufacturing field, be specifically related to a kind of water-based parting agent and preparation method thereof and the separate-type paper utilizing this water-based parting agent to prepare.
Background technology
Imitation leather separate-type paper is a kind of special separate paper, its coating generally has concavo-convex pattern structure, it is widely used in leatheroid and synthetic leather industry, carrier in producing as leatheroid and synthetic leather, imitation leather separate-type paper can copy to impression decorative pattern thereon on leatheroid and synthetic leather.
Leather separate-type paper, according to the difference of its preparation technology, has different product structures.The leather separate-type paper adopting coating process to make generally is made up of release layer, seal coat and paper substrate.Release layer provides leather strippable surface, primarily of polyvinyl alcohol (PVA) silicone resin system, PVAC polyvinylalcohol) resin system of chromium complex salt system, amino-alkyd resin system and this four major types of acrylic resin systems forms; Sealer coat plays the effect stoping release layer to permeate to paper substrate, is made up of micropartical and sizing agent; Paper substrate provides enough physical strengths.And the leather separate-type paper adopting film recombining process to make does not need seal coat, release layer forms primarily of multiple polyolefine material.Sometimes in order to provide darker decorative pattern, release layer is divided into two-layer, and the composition of two-layer polyolefine material is different.
Application number a kind of aqueous mold that has been the disclosure of the invention of 200910100112.3, this aqueous mold is raw material by following component and content (weight part): water-based styrene maleic resin 8-12; Water-compatible amino resin 15-25; Water-borne acrylic resin 12-18; Deionized water 50-55; Aqueous catalyst 0.2-0.8; PH value regulator 0.1-0.8; Defoamer 0.2-0.8; Flow agent 0.2-0.8.
Publication number is that the Chinese invention patent application of CN101696557A proposes water-dispersed resin, waterborne curing agent, defoamer and water to mix, and obtains aqueous dispersion type parting agent layer coating material, is coated on obtained leather separate-type paper on neutral sizing.This separate-type paper is coated with silicone release agent again without the need to surface, and its glossiness reaches 90%-98%, has excellent fullness ratio.Making method is simple, and energy consumption is low, and the parting agent coating material of use is using water as dispersion medium, and organic solvent-free discharges, and safety and environmental protection, cost are lower.But the surface strength of release layer is not as good as thermoplastic resin floor height, and folding endurance is low, easy to wear, in use procedure, easily there is dry linting phenomenon, affect the work-ing life of leather separate-type paper.
At present, the separate-type paper for leatheroid production on market is mainly divided into three major types by the processing mode of release coating: (1) thermofixation separate-type paper; (2) radiation curing separate-type paper; (3) thermoplastics film separate-type paper, wherein, thermofixation separate-type paper due to material cost low, processing unit less investment and become the very high a kind of separate-type paper of occupation rate in the market.But all there is certain defect for the preparation of the parting agent of the release coating of thermofixation separate-type paper, such as environmental pollution, thermofixation speed is slow, and production efficiency is low, is not suitable for the large-scale industrial production carrying out separate-type paper.Therefore, very necessary to the further research and development of thermofixation separate-type paper, can be applicable to again the parting agent of suitability for industrialized production separate-type paper while of relatively low, environmentally friendly with obtained a kind of material cost, this separate-type paper can produce the leather separate-type paper product of high-quality high-grade simultaneously.
Summary of the invention
The invention provides a kind of water-based parting agent and preparation method thereof and the separate-type paper utilizing this water-based parting agent to prepare, parting agent raw material is cheap and easy to get, making method is simple, the parting agent layer used is using water as dispersion agent, organic solvent-free discharges, safety and environmental protection, and the separate-type paper thermal curing time utilizing this parting agent to prepare is short, be suitable for suitability for industrialized production, and the separate-type paper excellent property prepared.
A kind of water-based parting agent, with parts by weight, its raw material consists of:
Preferably, with parts by weight, its raw material consists of:
Under this preferred raw material composition, the separate-type paper solidification treatment time that the parting agent obtained is prepared is shorter, production efficiency is higher, thermofixation treatment temp is more moderate, separate-type paper hardness is moderate, release good and stable in properties, to reuse number of times high, has better solvent resistant and resistance to elevated temperatures simultaneously.
Organosilane monomer, ethenyl blocking agent and Synolac form stable silicone alkyd emulsion under the effect of catalyzer and emulsifying agent, and its release performance can be determined according to the ratio of organosilane monomer content and Synolac.Under the effect of pH value regulator, make silicone alkyd emulsion in neutral or weakly alkaline, add linking agent in this case and platinum class catalyzer makes parting agent crosslinking curing, there is release performance.The too high or too low stability of emulsion that all can cause of pH value is deteriorated, thus affects the storge quality of emulsion.Linking agent too much can cause parting agent excessively crosslinked, causes parting agent layer to become fragile; Linking agent is crossed and can be caused crosslinked enough at least, and parting agent layer is subject to solvent and environmental disruption, affects release.Platinum class catalyzer plays the effect of catalytic crosslinking, and I haven't seen you for ages excessively causes degree of crosslinking inadequate; Cross multi-catalyst little on release impact, but waste and cost can be caused to increase.
Described organosilane monomer is the mixture of one or more in octamethylcyclotetrasiloxane, hexamethyl cyclotrisiloxane and hydroxyl endblocked polydimethylsiloxane.
Described ethenyl blocking agent is the mixture of one or more in vinyltriethoxysilane, vinyltrimethoxy silane, methyl vinyl diethoxysilane and methacryloxypropyl trimethoxy silane.
Described Synolac is aqueous alkide resin.Preferred aqueous alkide resin (trade mark: HD-WA622) or aqueous alkide resin (trade mark: HD-DS006).
Described emulsifying agent is the mixture of one or more in sodium lauryl sulphate, Sodium dodecylbenzene sulfonate and Polyethylene Octylphenol Ether.
Described catalyzer is Witco 1298 Soft Acid.
Described pH adjusting agent is ammoniacal liquor or triethylamine.
Described linking agent is containing hydrogen silicone oil.Be preferably the mixture of one or more in containing hydrogen silicone oil (XH-202), containing hydrogen silicone oil (TSF-484) and containing hydrogen silicone oil (HY-202).
Described platinum class catalyzer is Platinic chloride or Platinic chloride complex compound.
Present invention also offers a kind of preparation method of described water-based parting agent, organosilane monomer, ethenyl blocking agent, Synolac, emulsifying agent, catalyzer and deionized water is comprised the steps: to be mixed in proportion, pre-emulsification 0.5-1h at 10-50 DEG C, then 95-140 DEG C is warming up to, isothermal reaction 1-6h, being adjusted to pH value by pH value regulator after being cooled to room temperature is 7 ~ 8, finally adds linking agent and platinum class catalyzer in proportion, obtained water-based parting agent.
Preferably, by organosilane monomer, ethenyl blocking agent, Synolac, emulsifying agent, catalyzer and deionized water mixing, pre-emulsification 0.5-1h at 20-30 DEG C, then 95-140 DEG C is warming up to, isothermal reaction 3-5h, being adjusted to pH value by pH value regulator after being cooled to room temperature is 7 ~ 8, finally adds linking agent and platinum class catalyzer, obtained water-based parting agent.
Emulsified 20-30 DEG C of condition, namely emulsion process is at room temperature carried out, and does not need to heat up, and can reduce energy consumption, and the parting agent performance that 95-140 DEG C of isothermal reaction 3-5h obtains is best.
Present invention also offers a kind of separate-type paper, by body paper and be attached to the body paper surface undercoat of side successively and release coating is formed, described release coating is coated with after heat by water-based parting agent provided by the invention and solidify to form.
After the coating of water-based parting agent, thermal curing time is 2.5 ~ 3.5min, and heat curing temperature is 105 ~ 110 DEG C.
Described undercoat is made up of acrylic emulsion and vinyl organosilicon emulsion.
Described acrylic emulsion is the mixture of one or more in benzene emulsion, acrylic ester emulsion and methacrylate emulsions.
Described vinyl organosilicon emulsion is vinyltriethoxysilane emulsion, vinyltrimethoxy silane emulsion, the mixture of one or more in methyl vinyl diethoxysilane emulsion and methacryloxypropyl trimethoxy silane emulsion.
To the basic demand of neutral sizing in the present invention: quantitative 110 ~ 150g/m
2, AKD or rosin/Tai-Ace S 150 applying glue, CaCO
3filler is lower than 5%; Generally can select the fiber furnish of needlebush and leaf wood to regulate and control to the bulk of body paper and intensity.Body paper can affect quantitative, the performance such as intensity, thermotolerance, coating adhesion, flexibility of leatheroid separate-type paper.
Described undercoat, between neutral sizing and release coating, can improve the coating performance of parting agent on neutral sizing and the bonding force strengthened between release coating and neutral sizing.Be coated on body paper with acrylic emulsion and vinyl organosilicon emulsion in the present invention, after drying, form undercoat.
Water-based parting agent in the present invention is coated on undercoat, after thermofixation process, the containing hydrogen silicone oil in parting agent can be cross-linked with the vinyl organosilicon on undercoat, thus with undercoat mortise, obtain the film with some strength and hardness, i.e. release coating.Utilize off-line embossed technology of the prior art, various floral designs can be suppressed on the surface of release coating, such as the floral designs on leatheroid surface.
The present invention has the following advantages:
(1) parting agent raw material is cheap and easy to get, and making method is simple, and the parting agent layer of use is using water as dispersion agent, and organic solvent-free discharges, safety and environmental protection;
(2) to form the thermosetting treatment time of release coating short for this parting agent, and production efficiency is high, and thermofixation treatment temp is moderate, is conducive to carrying out large-scale industrial production;
(3) ratio by changing organosilicon and Synolac in silicone alkyd can make that the separate-type paper hardness of preparation is moderate, release good and stable in properties, to reuse number of times high, has good solvent resistant and resistance to elevated temperatures simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of separate-type paper of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, but the invention is not restricted to following examples.
Embodiment 1
The preparation of water-based parting agent: 20g octamethylcyclotetrasiloxane, 10g vinyltriethoxysilane, 30g Synolac (HD-WA622), 4g sodium lauryl sulphate, 3g Witco 1298 Soft Acid and 140g distilled water will be had to join in four-hole boiling flask, pre-emulsification 1h at 25 DEG C, then temperature of reaction 100 DEG C is warming up to, isothermal reaction 3h, being adjusted to pH value with ammoniacal liquor after being cooled to room temperature is 7, finally add 4g containing hydrogen silicone oil (XH-202) and 0.3g Platinic chloride, the obtained water-based parting agent of mixing.
The preparation of separate-type paper: the coating that forms with styrene-acrylic latex and vinyltriethoxysilane emulsion (blending ratio is with embodiment 1) of even spread on the surface in body paper 1 side, after drying, complete the primary coat process to body paper 1, the formula forming undercoat 2(undercoat 2 at a side surface of body paper 1 is: benzene emulsion and vinyltriethoxysilane emulsion are in mass ratio for 5:1 mixes); The side surface uniform do not contacted with body paper 1 at undercoat 2 is coated with the water-based parting agent prepared, after being coated with, carry out thermofixation process, thermofixation treatment temp is 110 DEG C, thermosetting treatment time is 3min, undercoat 2 forms release coating 3, finally, utilize off-line embossed technology of the prior art to carry out embossing to release coating 3, obtain separate-type paper.
Embodiment 2
The preparation of water-based parting agent: 30g octamethylcyclotetrasiloxane, 10g vinyltrimethoxy silane, 30g Synolac (HD-WA622), 3g Sodium dodecylbenzene sulfonate, 3g Witco 1298 Soft Acid and 140g distilled water will be had to join in four-hole boiling flask, pre-emulsification 0.5h at 25 DEG C, then temperature of reaction 95 DEG C is warming up to, isothermal reaction 3h, being adjusted to pH value with ammoniacal liquor after being cooled to room temperature is 7, finally add 5g containing hydrogen silicone oil (XH-202) and 0.5g Platinic chloride, the obtained water-based parting agent of mixing.
The preparation of separate-type paper: the coating that forms with styrene-acrylic latex and vinyltrimethoxy silane emulsion (blending ratio is with embodiment 1) of even spread on the surface in body paper 1 side, after drying, complete the primary coat process to body paper 1, the formula forming undercoat 2(undercoat 2 at a side surface of body paper 1 is: acrylic ester emulsion and vinyltrimethoxy silane emulsion are in mass ratio for 10:1 mixes); The side surface uniform do not contacted with body paper 1 at undercoat 2 is coated with the water-based parting agent prepared, after being coated with, carry out thermofixation process, thermofixation treatment temp is 110 DEG C, thermosetting treatment time is 3min, undercoat 2 forms release coating 3, finally, utilize off-line embossed technology of the prior art to carry out embossing to release coating 3, obtain separate-type paper.
Embodiment 3
The preparation of water-based parting agent: 20g hexamethyl cyclotrisiloxane, 20g methyl vinyl diethoxysilane, 40g Synolac (HD-DS006), 4g sodium lauryl sulphate, 3g Witco 1298 Soft Acid and 150g distilled water will be had to join in four-hole boiling flask, pre-emulsification 1h at 25 DEG C, then temperature of reaction 100 DEG C is warming up to, isothermal reaction 3h, being adjusted to pH value with triethylamine after being cooled to room temperature is 7, finally add 3g containing hydrogen silicone oil (TSF-484) and 0.1g Platinic chloride, the obtained water-based parting agent of mixing.
The preparation of separate-type paper: the coating that forms with styrene-acrylic latex and methacryloxypropyl trimethoxy silane emulsion (blending ratio is with embodiment 1) of even spread on the surface in body paper 1 side, after drying, complete the primary coat process to body paper 1, the formula forming undercoat 2(undercoat 2 at a side surface of body paper 1 is: methacrylate emulsions and methyl vinyl diethoxysilane emulsion are in mass ratio for 8:1 mixes); The side surface uniform do not contacted with body paper 1 at undercoat 2 is coated with the water-based parting agent prepared, after being coated with, carry out thermofixation process, thermofixation treatment temp is 110 DEG C, thermosetting treatment time is 3min, undercoat 2 forms release coating 3, finally, utilize off-line embossed technology of the prior art to carry out embossing to release coating 3, obtain separate-type paper.
Embodiment 4
The preparation of water-based parting agent: 50g octamethylcyclotetrasiloxane, 5g vinyltriethoxysilane, 20g Synolac (HD-DS006), 4g sodium lauryl sulphate, 5g Witco 1298 Soft Acid and 120g distilled water will be had to join in four-hole boiling flask, pre-emulsification 1h at 20 DEG C, then temperature of reaction 105 DEG C is warming up to, isothermal reaction 4h, being adjusted to pH value with ammoniacal liquor after being cooled to room temperature is 8, finally add 6g containing hydrogen silicone oil (HY-202) and 0.3g Platinic chloride, the obtained water-based parting agent of mixing.
The preparation of separate-type paper: in body paper 1 side on the surface even spread with styrene-acrylic latex and vinyltriethoxysilane emulsion composition coating, after drying, complete the primary coat process to body paper 1, form the formula of undercoat 2(undercoat 2 with embodiment 3 at a side surface of body paper 1); The side surface uniform do not contacted with body paper 1 at undercoat 2 is coated with the water-based parting agent prepared, after being coated with, carry out thermofixation process, thermofixation treatment temp is 110 DEG C, thermosetting treatment time is 3min, undercoat 2 forms release coating 3, finally, utilize off-line embossed technology of the prior art to carry out embossing to release coating 3, obtain separate-type paper.
Embodiment 5
The preparation of water-based parting agent: 40g octamethylcyclotetrasiloxane, 10g vinyltrimethoxy silane, 40g Synolac (HD-DS006), 5g Sodium dodecylbenzene sulfonate, 3g Witco 1298 Soft Acid and 150g distilled water will be had to join in four-hole boiling flask, pre-emulsification 0.5h at 25 DEG C, then temperature of reaction 140 DEG C is warming up to, isothermal reaction 3h, being adjusted to pH value with ammoniacal liquor after being cooled to room temperature is 7, finally add 2g containing hydrogen silicone oil (HY-202) and 0.6g Platinic chloride, the obtained water-based parting agent of mixing.
The preparation of separate-type paper: in body paper 1 side on the surface even spread with styrene-acrylic latex and vinyltrimethoxy silane emulsion composition coating (with embodiment 1), after drying, complete the primary coat process to body paper 1, form undercoat 2(with embodiment 2 at a side surface of body paper 1); The side surface uniform do not contacted with body paper 1 at undercoat 2 is coated with the water-based parting agent prepared, after being coated with, carry out thermofixation process, thermofixation treatment temp is 110 DEG C, thermosetting treatment time is 3min, undercoat 2 forms release coating 3, finally, utilize off-line embossed technology of the prior art to carry out embossing to release coating 3, obtain separate-type paper.
Embodiment 6
The preparation of water-based parting agent: 20g hexamethyl cyclotrisiloxane, 20g methyl vinyl diethoxysilane, 20g Synolac (HD-DS006), 4g sodium lauryl sulphate, 5g Witco 1298 Soft Acid and 160g distilled water will be had to join in four-hole boiling flask, pre-emulsification 0.5h at 30 DEG C, then temperature of reaction 120 DEG C is warming up to, isothermal reaction 5h, being adjusted to pH value with triethylamine after being cooled to room temperature is 8, finally add 7g containing hydrogen silicone oil (HY-202) and 0.7g Platinic chloride, obtained water-based parting agent.
The preparation of separate-type paper: in body paper 1 side on the surface even spread with styrene-acrylic latex and methacryloxypropyl trimethoxy silane emulsion composition coating (with embodiment 1), after drying, complete the primary coat process to body paper 1, form undercoat 2(with embodiment 2 at a side surface of body paper 1); The side surface uniform do not contacted with body paper 1 at undercoat 2 is coated with the water-based parting agent prepared, after being coated with, carry out thermofixation process, thermofixation treatment temp is 110 DEG C, thermosetting treatment time is 3min, undercoat 2 forms release coating 3, finally, utilize off-line embossed technology of the prior art to carry out embossing to release coating 3, obtain separate-type paper.
Comparative example
Water-based parting agent adopts DOW CORNING organosilicon water-based parting agent.
The preparation of separate-type paper: in body paper 1 side on the surface even spread with styrene-acrylic latex and vinyltriethoxysilane emulsion composition coating, after drying, complete the primary coat process to body paper 1, form the formula of undercoat 2(undercoat 2 with embodiment 1 at a side surface of body paper 1); The side surface uniform do not contacted with body paper 1 at undercoat 2 is coated with DOW CORNING organosilicon water-based parting agent, after being coated with, carry out thermofixation process, thermofixation treatment temp is 150 DEG C, thermosetting treatment time is 5min, undercoat 2 forms release coating 3, finally, utilize off-line embossed technology of the prior art to carry out embossing to release coating 3, obtain separate-type paper.
Performance test
(1) solvent resistance: 20cm × 2cm separate-type paper batten is immersed in N respectively, in dinethylformamide (DMF), toluene or methylethylketone, under room temperature, immersion is taken out after 1 hour and is dried, observe the changing conditions of the aspects such as release coating damage, release coatingsurface gloss and decorative pattern sharpness, pass judgment on based on following standard: A) without exception; B) decorative pattern sharpness declines; C) release swelling of paint coating or part are peeled off.
(2) number of times is reused: simulation leatheroid production process, to stick with paste or PVC (polyvinyl chloride) sticks with paste, peel off leatheroid film after drying and forming-film at the thick PU (urethane) of separate-type paper surface-coated 150 μm, and clear up separate-type paper paper, then the PU (urethane) that repetitive coatings 150 μm is thick sticks with paste or PVC (polyvinyl chloride) sticks with paste, dry, strip operation, records maximum repetition and peels off number of times.
(3) stripping strength: on the paper tensile strength puller system being configured with fixture, measure stripping strength when leatheroid film is stripped in simulation leatheroid production process, leatheroid film and separate-type paper are torn off (tearing angle is 180 °) with constant speed (200-300mm/min).Replicate(determination) 5 times, gets the mean value of 5 times as stripping strength, unit: Newton/meter.
(4) thermotolerance: the separate-type paper batten of 20cm × 2cm is placed in 150 DEG C of baking ovens heating 3 minutes, takes out and be cooled to room temperature, the changing conditions of the glossiness of the release coatingsurface of visual inspection, color and luster and flexibility etc.Pass judgment on based on following standard: A) without exception; B) release coating slightly xanthochromia; C) there is moire or embrittlement in release coating.
(5) flexibility: the release coating of the separate-type paper batten of some 10cm × 2cm is close to the columniform stainless steel that diameter is respectively 2 millimeters, 3 millimeters and 5 millimeters respectively, separate-type paper batten is pinched around stainless steel finger pressure, the changing conditions of the release coating of visual inspection separate-type paper batten, parallel 5 tests, grade based on following standard:
A) batten press on diameter 2 millimeters of stainless steels and pinch after release coating there is not crackle or breakage;
B) batten press on diameter 2 millimeters of stainless steels and pinch after release coating there is crackle or breakage, but on diameter 3 millimeters of stainless steels pressure pinch after release coating there is not crackle or breakage;
C) batten press on diameter 3 millimeters of stainless steels and pinch after release coating there is crackle or breakage, but on diameter 5 millimeters of stainless steels pressure pinch after release coating there is not crackle or breakage.
The performance of separate-type paper prepared by each embodiment is listed in table 1.
From comparing of embodiment 1 ~ 6 and comparative example, the parting agent solidification treatment time of the present invention is short, production efficiency is high, thermofixation treatment temp is moderate, be more suitable for industrial production, as shown in Table 1, the separate-type paper prepared by parting agent of the present invention, the good and stable in properties of release, to reuse number of times high, has good solvent resistant and resistance to elevated temperatures simultaneously.
Claims (8)
1. a water-based parting agent, is characterized in that, with parts by weight, its raw material consists of:
Described ethenyl blocking agent is the mixture of one or more in vinyltriethoxysilane, vinyltrimethoxy silane and methyl vinyl diethoxysilane; Described catalyzer is Witco 1298 Soft Acid.
2. water-based parting agent according to claim 1, is characterized in that, described organosilane monomer is the mixture of one or more in octamethylcyclotetrasiloxane, hexamethyl cyclotrisiloxane and hydroxyl endblocked polydimethylsiloxane.
3. water-based parting agent according to claim 1, is characterized in that, described Synolac is aqueous alkide resin.
4. water-based parting agent according to claim 1, is characterized in that, described emulsifying agent is the mixture of one or more of sodium lauryl sulphate, Sodium dodecylbenzene sulfonate and Polyethylene Octylphenol Ether.
5. water-based parting agent according to claim 1, is characterized in that, described linking agent is containing hydrogen silicone oil.
6. water-based parting agent according to claim 1, is characterized in that, described platinum class catalyzer is Platinic chloride or Platinic chloride complex compound.
7. as described in as arbitrary in claim 1-6, a preparation method for water-based parting agent, is characterized in that, comprise the steps:
Organosilane monomer, ethenyl blocking agent, Synolac, emulsifying agent, catalyzer and deionized water are mixed in proportion, pre-emulsification 0.5-1h at 10-50 DEG C, then 95-140 DEG C is warming up to, isothermal reaction 1-6h, being adjusted to pH value by pH value regulator after being cooled to room temperature is 7 ~ 8, finally add linking agent and platinum class catalyzer in proportion, obtained water-based parting agent.
8. a separate-type paper, by body paper and be attached to the body paper surface undercoat of side successively and release coating is formed, it is characterized in that, described release coating is coated with after heat by the arbitrary described water-based parting agent of claim 1-6 and solidify to form.
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| CN110777562B (en) * | 2019-09-26 | 2023-10-03 | 江苏晶华新材料科技有限公司 | Flame-retardant release paper and preparation method thereof |
| CN111423609B (en) * | 2020-05-06 | 2022-12-02 | 江苏祎唯诺新材料科技有限公司 | Essential anti-static release film base film and application thereof |
| CN111694472A (en) * | 2020-06-10 | 2020-09-22 | 苏州登石新材科技有限公司 | Water-soluble release agent, conductive film and preparation method thereof |
| CN114197248A (en) * | 2021-12-20 | 2022-03-18 | 南通亿川复合材料科技有限公司 | Preparation process flow of high-temperature-resistant antibacterial silicon paper |
| CN115651516A (en) * | 2022-11-03 | 2023-01-31 | 湖南松井新材料股份有限公司 | Water-based strippable protective coating and preparation method and application thereof |
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| TWI282349B (en) * | 2003-01-24 | 2007-06-11 | Shinetsu Chemical Co | Silicone composition and paper treatment agent including the same |
| CN102050954A (en) * | 2010-11-12 | 2011-05-11 | 北京工业大学 | Preparation method of environment-friendly silicone rubber composite membrane |
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