CN103351812A - Water-based mold release and preparation method thereof and release paper prepared by utilizing water-based mold release - Google Patents
Water-based mold release and preparation method thereof and release paper prepared by utilizing water-based mold release Download PDFInfo
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- CN103351812A CN103351812A CN201310307678XA CN201310307678A CN103351812A CN 103351812 A CN103351812 A CN 103351812A CN 201310307678X A CN201310307678X A CN 201310307678XA CN 201310307678 A CN201310307678 A CN 201310307678A CN 103351812 A CN103351812 A CN 103351812A
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Abstract
The invention discloses a water-based mold release and a preparation method thereof and release paper prepared by utilizing the water-based mold release. The mold release comprises the following raw materials by weight: 1 to 50 parts of organosilicone monomer, 1 to 50 parts of vinyl end-capping agent, 1 to 50 parts of alkyd resin, 1 to 10 parts of emulsifying agent, 1 to 10 parts of catalytic agent, 100 to 160 parts of deionized water, 0.1 to 10 parts of pH value conditioning agent, 1 to 10 parts of cross-linking agent and 0.01 to 1 part of platinum-based catalytic agent. The mold release has the advantages that the raw materials are cheap and easy to get; the preparation method is simple; the used mold release layer takes water as a dispersing agent; no organic solvent is released; the mold release is safe and environment-friendly; the release paper prepared by utilizing the mold release is short in thermosetting time, and is suitable for industrialized production; the prepared release paper is good in property.
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 of utilizing this water-based parting agent preparation.
Background technology
The imitation leather separate-type paper is a kind of special separate paper, its coating generally has concavo-convex pattern structure, it is used in leatheroid and synthetic leather industry in a large number, as the carrier in leatheroid and the synthetic leather production, the imitation leather separate-type paper can copy to impression decorative pattern thereon on leatheroid and the synthetic leather.
The leather separate-type paper has different product structures according to its preparation technology's difference.The leather separate-type paper that adopts coating process to make generally is made of release layer, seal coat and paper substrate.Release layer provides leather strippable surface, mainly by 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 system consists of; Sealer coat plays and stops release layer to the effect of paper substrate infiltration, is comprised of micropartical and sizing agent; Paper substrate provides enough physical strengths.And the leather separate-type paper that adopts the film recombining process to make does not need seal coat, and release layer mainly is comprised of multiple polyolefine material.Sometimes for darker decorative pattern is provided, 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 200910100112.3 disclosure of the invention, this aqueous mold is raw material by following component and content (weight part): water-based styrene-maleic anhydride 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 conditioning agent 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 are mixed, and obtains aqueous dispersion type parting agent layer coating material, it is coated on makes the leather separate-type paper on the neutral sizing.This separate-type paper need not the surface and is coated with silicone release agent again, and its glossiness reaches 90%-98%, has excellent fullness ratio.Making method is simple, and energy consumption is low, and as dispersion medium, organic solvent-free discharges the parting agent coating material of use with water, and safety and environmental protection, cost are lower.But the surface strength of release layer is not as good as the thermoplastic resin floor height, and folding endurance is low, and is easy to wear, is prone to the dry linting phenomenon in the use procedure, affects the work-ing life of leather separate-type paper.
At present, the separate-type paper that is used for leatheroid production on the market mainly is 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, the thermofixation separate-type paper is because material cost is low, processing unit less investment and become the in the market very high a kind of separate-type paper of occupation rate.But all there is certain defective in the parting agent for the preparation of the release coating of thermofixation separate-type paper, and such as environmental pollution, thermofixation speed is slow, and production efficiency is low, is not suitable for carrying out the large-scale industrial production of separate-type paper.Therefore, further research and development to the thermofixation separate-type paper are very necessary, the parting agent that can be fit to again the suitability for industrialized production separate-type paper to make relatively low, the environmentally friendly while of a kind of material cost, this separate-type paper can be produced 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 of utilizing this water-based parting agent preparation, the parting agent raw material is cheap and easy to get, making method is simple, the parting agent layer of using with water as dispersion agent, organic solvent-free discharges, and safety and environmental protection utilizes the separate-type paper thermal curing time of this parting agent preparation short, be suitable for suitability for industrialized production, and the separate-type paper excellent property for preparing.
A kind of water-based parting agent, in weight part, its raw material consists of:
Preferably, in weight part, its raw material consists of:
Under this preferred raw material forms, the separate-type paper solidification treatment time that the parting agent that obtains is prepared is shorter, production efficiency is higher, the 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 simultaneously better anti-solvent and resistance to elevated temperatures.
Organosilane monomer, ethenyl blocking agent and Synolac form stable silicone alkyd emulsion under the effect of catalyzer and emulsifying agent, its release performance can be decided according to the ratio of organosilane monomer content and Synolac.So that the silicone alkyd emulsion is neutrality or weakly alkaline, adding linking agent and platinum class catalyzer make the parting agent crosslinking curing under this state, have release performance under the effect of pH value conditioning agent.The pH value is too high or too low all can to cause the stability of emulsion variation, thereby affects the storge quality of emulsion.Linking agent too much can cause parting agent crosslinked excessively, causes parting agent layer to become fragile; Linking agent is crossed and can be caused at least crosslinked enoughly, 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 the release impact, but can cause waste and cost to increase.
Described organosilane monomer is one or more the mixture in octamethylcyclotetrasiloxane, hexamethyl cyclotrisiloxane and the hydroxyl endblocked polydimethylsiloxane.
Described ethenyl blocking agent is one or more the mixture in vinyltriethoxysilane, vinyltrimethoxy silane, methyl ethylene diethoxy silane and the methacryloxypropyl trimethoxy silane.
Described Synolac is aqueous alkide resin.Preferred aqueous alkide resin (the trade mark: HD-WA622) or the aqueous alkide resin (trade mark: HD-DS006).
Described emulsifying agent is one or more the mixture in sodium lauryl sulphate, Sodium dodecylbenzene sulfonate and the 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 one or more the mixture in containing hydrogen silicone oil (XH-202), containing hydrogen silicone oil (TSF-484) and the containing hydrogen silicone oil (HY-202).
Described platinum class catalyzer is Platinic chloride or Platinic chloride complex compound.
The present invention also provides a kind of preparation method of described water-based parting agent, comprise the steps: organosilane monomer, ethenyl blocking agent, Synolac, emulsifying agent, catalyzer and deionized water are mixed in proportion, at 10-50 ℃ of lower pre-emulsification 0.5-1h, then be warming up to 95-140 ℃, isothermal reaction 1-6h, being cooled to and transferring to the pH value with pH value conditioning agent after the room temperature is 7～8, adds in proportion at last linking agent and platinum class catalyzer, makes the water-based parting agent.
Preferably, organosilane monomer, ethenyl blocking agent, Synolac, emulsifying agent, catalyzer and deionized water are mixed, at 20-30 ℃ of lower pre-emulsification 0.5-1h, then be warming up to 95-140 ℃, isothermal reaction 3-5h, being cooled to and transferring to the pH value with pH value conditioning agent after the room temperature is 7～8, adds at last linking agent and platinum class catalyzer, makes the water-based parting agent.
Emulsification under 20-30 ℃ 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 ℃ of isothermal reaction 3-5h obtains is best.
The present invention also provides a kind of separate-type paper, reaches the undercoat and the release coating that are attached to successively body paper surface one side by body paper and consists of, and described release coating is solidify to form by water-based parting agent coating after heat provided by the invention.
Thermal curing time is 2.5～3.5min after the coating of water-based parting agent, and heat curing temperature is 105～110 ℃.
Described undercoat is comprised of acrylic emulsion and vinyl organosilicon emulsion.
Described acrylic emulsion is one or more the mixture in benzene emulsion, acrylic ester emulsion and the methacrylic ester emulsion.
Described vinyl organosilicon emulsion is vinyltriethoxysilane emulsion, vinyltrimethoxy silane emulsion, the mixture of one or more in methyl ethylene diethoxy silane emulsion and the methacryloxypropyl trimethoxy silane emulsion.
Among the present invention to the basic demand of neutral sizing: quantitative 110～150g/m
2, AKD or rosin/Tai-Ace S 150 applying glue, CaCO
3Filler is lower than 5%; Bulk and intensity to body paper generally can select the fiber furnish of needlebush and leaf wood to regulate and control.Body paper can affect the leatheroid separate-type paper quantitatively, the performances such as intensity, thermotolerance, coating adhesion, flexibility.
Described undercoat can improve parting agent at the coating performance on the neutral sizing and strengthen bonding force between release coating and the neutral sizing between neutral sizing and release coating.Be coated on the body paper the dry rear undercoat that forms among the present invention with acrylic emulsion and vinyl organosilicon emulsion.
Water-based parting agent among the present invention is coated on the undercoat, after thermofixation is processed, the containing hydrogen silicone oil in the parting agent can with undercoat on vinyl organosilicon carry out crosslinked, thereby with the undercoat mortise, obtain having the film of some strength and hardness, i.e. release coating.Utilize off-line embossed technology of the prior art, can suppress various floral designs on the surface of release coating, for example the floral designs on leatheroid surface.
The present invention has the following advantages:
(1) the parting agent raw material is cheap and easy to get, and making method is simple, and as dispersion agent, organic solvent-free discharges the parting agent layer of use, safety and environmental protection with water;
(2) it is short that this parting agent forms thermofixation treatment time of release coating, and production efficiency is high, and the thermofixation treatment temp is moderate, is conducive to carry out large-scale industrial production;
(3) by changing that the ratio of organosilicon and Synolac can make the separate-type paper hardness of preparation moderate in the silicone alkyd, release good and stable in properties, to reuse number of times high, has simultaneously good anti-solvent and resistance to elevated temperatures.
Description of drawings
Fig. 1 is the structural representation of separate-type paper of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples, but the invention is not restricted to following examples.
Embodiment 1
The preparation of water-based parting agent: will have 20g octamethylcyclotetrasiloxane, 10g vinyltriethoxysilane, 30g Synolac (HD-WA622), 4g sodium lauryl sulphate, 3g Witco 1298 Soft Acid and 140g distilled water to join in the four-hole boiling flask, at 25 ℃ of lower pre-emulsification 1h, then be warming up to 100 ℃ of temperature of reaction, isothermal reaction 3h, being cooled to and transferring to the pH value with ammoniacal liquor after the room temperature is 7, add at last 4g containing hydrogen silicone oil (XH-202) and 0.3g Platinic chloride, mixing makes the water-based parting agent.
The preparation of separate-type paper: on body paper 1 one side surfaces, evenly be coated with the coating that forms with styrene-acrylic latex and vinyltriethoxysilane emulsion (blending ratio is with embodiment 1), after the drying, finish the primary coat of body paper 1 is processed, the prescription that forms undercoat 2(undercoat 2 at a side surface of body paper 1 is: benzene emulsion and vinyltriethoxysilane emulsion mix for 5:1 in mass ratio); A side surface that does not contact with body paper 1 at undercoat 2 evenly is coated with the water-based parting agent for preparing, after coating is finished, carrying out thermofixation processes, the thermofixation treatment temp is 110 ℃, the thermofixation treatment time is 3min, forms release coating 3 at undercoat 2, and is last, utilize off-line embossed technology of the prior art that release coating 3 is carried out embossing, namely get separate-type paper.
Embodiment 2
The preparation of water-based parting agent: will have 30g octamethylcyclotetrasiloxane, 10g vinyltrimethoxy silane, 30g Synolac (HD-WA622), 3g Sodium dodecylbenzene sulfonate, 3g Witco 1298 Soft Acid and 140g distilled water to join in the four-hole boiling flask, at 25 ℃ of lower pre-emulsification 0.5h, then be warming up to 95 ℃ of temperature of reaction, isothermal reaction 3h, being cooled to and transferring to the pH value with ammoniacal liquor after the room temperature is 7, add at last 5g containing hydrogen silicone oil (XH-202) and 0.5g Platinic chloride, mixing makes the water-based parting agent.
The preparation of separate-type paper: on body paper 1 one side surfaces, evenly be coated with the coating that forms with styrene-acrylic latex and vinyltrimethoxy silane emulsion (blending ratio is with embodiment 1), after the drying, finish the primary coat of body paper 1 is processed, the prescription that forms undercoat 2(undercoat 2 at a side surface of body paper 1 is: acrylic ester emulsion and vinyltrimethoxy silane emulsion mix for 10:1 in mass ratio); A side surface that does not contact with body paper 1 at undercoat 2 evenly is coated with the water-based parting agent for preparing, after coating is finished, carrying out thermofixation processes, the thermofixation treatment temp is 110 ℃, the thermofixation treatment time is 3min, forms release coating 3 at undercoat 2, and is last, utilize off-line embossed technology of the prior art that release coating 3 is carried out embossing, namely get separate-type paper.
The preparation of water-based parting agent: will have 20g hexamethyl cyclotrisiloxane, 20g methyl ethylene diethoxy silane, 40g Synolac (HD-DS006), 4g sodium lauryl sulphate, 3g Witco 1298 Soft Acid and 150g distilled water to join in the four-hole boiling flask, at 25 ℃ of lower pre-emulsification 1h, then be warming up to 100 ℃ of temperature of reaction, isothermal reaction 3h, being cooled to and transferring to the pH value with triethylamine after the room temperature is 7, add at last 3g containing hydrogen silicone oil (TSF-484) and 0.1g Platinic chloride, mixing makes the water-based parting agent.
The preparation of separate-type paper: on body paper 1 one side surfaces, evenly be coated with the coating that forms with styrene-acrylic latex and methacryloxypropyl trimethoxy silane emulsion (blending ratio is with embodiment 1), after the drying, finish the primary coat of body paper 1 is processed, the prescription that forms undercoat 2(undercoat 2 at a side surface of body paper 1 is: methacrylic ester emulsion and methyl ethylene diethoxy silane emulsion mix for 8:1 in mass ratio); A side surface that does not contact with body paper 1 at undercoat 2 evenly is coated with the water-based parting agent for preparing, after coating is finished, carrying out thermofixation processes, the thermofixation treatment temp is 110 ℃, the thermofixation treatment time is 3min, forms release coating 3 at undercoat 2, and is last, utilize off-line embossed technology of the prior art that release coating 3 is carried out embossing, namely get separate-type paper.
Embodiment 4
The preparation of water-based parting agent: will have 50g octamethylcyclotetrasiloxane, 5g vinyltriethoxysilane, 20g Synolac (HD-DS006), 4g sodium lauryl sulphate, 5g Witco 1298 Soft Acid and 120g distilled water to join in the four-hole boiling flask, at 20 ℃ of lower pre-emulsification 1h, then be warming up to 105 ℃ of temperature of reaction, isothermal reaction 4h, being cooled to and transferring to the pH value with ammoniacal liquor after the room temperature is 8, add at last 6g containing hydrogen silicone oil (HY-202) and 0.3g Platinic chloride, mixing makes the water-based parting agent.
The preparation of separate-type paper: on body paper 1 one side surfaces, evenly be coated with the coating that forms with styrene-acrylic latex and vinyltriethoxysilane emulsion, after the drying, finish the primary coat of body paper 1 is processed, form the prescription of undercoat 2(undercoat 2 with embodiment 3 at a side surface of body paper 1); A side surface that does not contact with body paper 1 at undercoat 2 evenly is coated with the water-based parting agent for preparing, after coating is finished, carrying out thermofixation processes, the thermofixation treatment temp is 110 ℃, the thermofixation treatment time is 3min, forms release coating 3 at undercoat 2, and is last, utilize off-line embossed technology of the prior art that release coating 3 is carried out embossing, namely get separate-type paper.
Embodiment 5
The preparation of water-based parting agent: will have 40g octamethylcyclotetrasiloxane, 10g vinyltrimethoxy silane, 40g Synolac (HD-DS006), 5g Sodium dodecylbenzene sulfonate, 3g Witco 1298 Soft Acid and 150g distilled water to join in the four-hole boiling flask, at 25 ℃ of lower pre-emulsification 0.5h, then be warming up to 140 ℃ of temperature of reaction, isothermal reaction 3h, being cooled to and transferring to the pH value with ammoniacal liquor after the room temperature is 7, add at last 2g containing hydrogen silicone oil (HY-202) and 0.6g Platinic chloride, mixing makes the water-based parting agent.
The preparation of separate-type paper: on body paper 1 one side surfaces, evenly be coated with the coating (with embodiment 1) that forms with styrene-acrylic latex and vinyltrimethoxy silane emulsion, after the drying, finish the primary coat of body paper 1 is processed, form undercoat 2(with embodiment 2 at a side surface of body paper 1); A side surface that does not contact with body paper 1 at undercoat 2 evenly is coated with the water-based parting agent for preparing, after coating is finished, carrying out thermofixation processes, the thermofixation treatment temp is 110 ℃, the thermofixation treatment time is 3min, forms release coating 3 at undercoat 2, and is last, utilize off-line embossed technology of the prior art that release coating 3 is carried out embossing, namely get separate-type paper.
Embodiment 6
The preparation of water-based parting agent: will have 20g hexamethyl cyclotrisiloxane, 20g methyl ethylene diethoxy silane, 20g Synolac (HD-DS006), 4g sodium lauryl sulphate, 5g Witco 1298 Soft Acid and 160g distilled water to join in the four-hole boiling flask, at 30 ℃ of lower pre-emulsification 0.5h, then be warming up to 120 ℃ of temperature of reaction, isothermal reaction 5h, being cooled to and transferring to the pH value with triethylamine after the room temperature is 8, add at last 7g containing hydrogen silicone oil (HY-202) and 0.7g Platinic chloride, make the water-based parting agent.
The preparation of separate-type paper: on body paper 1 one side surfaces, evenly be coated with the coating (with embodiment 1) that forms with styrene-acrylic latex and methacryloxypropyl trimethoxy silane emulsion, after the drying, finish the primary coat of body paper 1 is processed, form undercoat 2(with embodiment 2 at a side surface of body paper 1); A side surface that does not contact with body paper 1 at undercoat 2 evenly is coated with the water-based parting agent for preparing, after coating is finished, carrying out thermofixation processes, the thermofixation treatment temp is 110 ℃, the thermofixation treatment time is 3min, forms release coating 3 at undercoat 2, and is last, utilize off-line embossed technology of the prior art that release coating 3 is carried out embossing, namely get separate-type paper.
Comparative Examples
The water-based parting agent adopts DOW CORNING organosilicon water-based parting agent.
The preparation of separate-type paper: on body paper 1 one side surfaces, evenly be coated with the coating that forms with styrene-acrylic latex and vinyltriethoxysilane emulsion, after the drying, finish the primary coat of body paper 1 is processed, form the prescription of undercoat 2(undercoat 2 with embodiment 1 at a side surface of body paper 1); A side surface that does not contact with body paper 1 at undercoat 2 evenly is coated with DOW CORNING organosilicon water-based parting agent, after coating is finished, carrying out thermofixation processes, the thermofixation treatment temp is 150 ℃, the thermofixation treatment time is 5min, forms release coating 3 at undercoat 2, and is last, utilize off-line embossed technology of the prior art that release coating 3 is carried out embossing, namely get separate-type paper.
Performance test
(1) solvent resistance: 20cm * 2cm separate-type paper batten is immersed in respectively N, in dinethylformamide (DMF), toluene or the methylethylketone, soak under the room temperature to take out after 1 hour and dry, 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 unusual; B) the decorative pattern sharpness descends; C) release swelling of paint coating or part are peeled off.
(2) reuse number of times: simulation leatheroid production process, stick with paste or PVC (polyvinyl chloride) sticks with paste, peel off the leatheroid film behind the drying and forming-film at the thick PU (urethane) of separate-type paper surface-coated 150 μ m, and cleaning separate-type paper paper, then the PU (urethane) that repetitive coatings 150 μ m are thick sticks with paste or PVC (polyvinyl chloride) sticks with paste, dry, strip operation, and the record maximum repeats to peel off number of times.
(3) stripping strength: configuring on the paper tensile strength puller system of anchor clamps, measure the stripping strength when the leatheroid film is stripped from the simulation leatheroid production process, leatheroid film and separate-type paper are torn off (tearing angle as 180 °) take constant speed (200-300mm/min).Replicate(determination) 5 times is got 5 times mean value as stripping strength, unit: Newton/meter.
(4) thermotolerance: the separate-type paper batten of 20cm * 2cm is placed 150 ℃ of baking oven heating 3 minutes, take 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 unusual; B) release coating xanthochromia slightly; C) moire or embrittlement appear in release coating.
(5) flexibility: the release coating of the separate-type paper batten of some 10cm * 2cm is close to respectively the columniform stainless steel that diameter is respectively 2 millimeters, 3 millimeters and 5 millimeters, pinch the separate-type paper batten around stainless steel with the 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) crackle or breakage do not appear in batten release coating after 2 millimeters stainless steels pressures of diameter are pinched;
B) crackle or breakage appear in batten release coating after 2 millimeters stainless steels pressures of diameter are pinched, but crackle or breakage do not appear in release coating after 3 millimeters stainless steels pressures of diameter are pinched;
C) crackle or breakage appear in batten release coating after 3 millimeters stainless steels pressures of diameter are pinched, but crackle or breakage do not appear in release coating after 5 millimeters stainless steels pressures of diameter are pinched.
Listed the performance of the separate-type paper of each embodiment preparation in the table 1.
By embodiment 1～6 and Comparative Examples more as can be known, the parting agent solidification treatment time of the present invention is short, production efficiency is high, the thermofixation treatment temp is moderate, more be applicable to industrial production, as shown in Table 1, by the separate-type paper that parting agent of the present invention prepares, the good and stable in properties of release, to reuse number of times high, has simultaneously good anti-solvent and resistance to elevated temperatures.
Claims (10)
1. a water-based parting agent is characterized in that, in weight part, its raw material consists of:
2. water-based parting agent according to claim 1 is characterized in that, described organosilane monomer is one or more the mixture in octamethylcyclotetrasiloxane, hexamethyl cyclotrisiloxane and the hydroxyl endblocked polydimethylsiloxane.
3. water-based parting agent according to claim 1, it is characterized in that, described ethenyl blocking agent is one or more the mixture in vinyltriethoxysilane, vinyltrimethoxy silane, methyl ethylene diethoxy silane and the methacryloxypropyl trimethoxy silane.
4. water-based parting agent according to claim 1 is characterized in that, described Synolac is aqueous alkide resin.
5. water-based parting agent according to claim 1 is characterized in that, described emulsifying agent is one or more mixture of sodium lauryl sulphate, Sodium dodecylbenzene sulfonate and Polyethylene Octylphenol Ether.
6. water-based parting agent according to claim 1 is characterized in that, described catalyzer is Witco 1298 Soft Acid.
7. water-based parting agent according to claim 1 is characterized in that, described linking agent is containing hydrogen silicone oil.
8. water-based parting agent according to claim 1 is characterized in that, described platinum class catalyzer is Platinic chloride or Platinic chloride complex compound.
One kind arbitrary such as claim 1-8 as described in the preparation method of water-based parting agent, it is characterized in that, comprise the steps:
Organosilane monomer, ethenyl blocking agent, Synolac, emulsifying agent, catalyzer and deionized water are mixed in proportion, at 10-50 ℃ of lower pre-emulsification 0.5-1h, then be warming up to 95-140 ℃, isothermal reaction 1-6h, being cooled to and transferring to the pH value with pH value conditioning agent after the room temperature is 7～8, add in proportion at last linking agent and platinum class catalyzer, make the water-based parting agent.
10. a separate-type paper reaches the undercoat and the release coating that are attached to successively body paper surface one side by body paper and consists of, and it is characterized in that, described release coating is solidify to form by the arbitrary described water-based parting agent coating after heat of claim 1-8.
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| CN108978331A (en) * | 2017-06-01 | 2018-12-11 | 好丽友食品有限公司 | A kind of release paper for food baking |
| CN109183499A (en) * | 2018-09-17 | 2019-01-11 | 江苏创客新材料科技有限公司 | A kind of dust sticky paper weight off-type force silicone oil and preparation method thereof |
| CN109679496A (en) * | 2018-12-25 | 2019-04-26 | 广东鼎立森新材料有限公司 | Release silicone oil of solvent-free organic silicon and preparation method thereof |
| CN110777562A (en) * | 2019-09-26 | 2020-02-11 | 江苏晶华新材料科技有限公司 | Flame-retardant release paper and preparation method thereof |
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| 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 |
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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 |
| CN111423609A (en) * | 2020-05-06 | 2020-07-17 | 常州祎唯诺塑业有限公司 | Essential anti-static release film base film and application 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 |
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