CN107686691B - Water-based acrylic release silicone oil and preparation method and application thereof - Google Patents
Water-based acrylic release silicone oil and preparation method and application thereof Download PDFInfo
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- CN107686691B CN107686691B CN201710800933.2A CN201710800933A CN107686691B CN 107686691 B CN107686691 B CN 107686691B CN 201710800933 A CN201710800933 A CN 201710800933A CN 107686691 B CN107686691 B CN 107686691B
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- silicone oil
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- release silicone
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- 229920002545 silicone oil Polymers 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 28
- 239000000839 emulsion Substances 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000000080 wetting agent Substances 0.000 claims abstract description 8
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 13
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 10
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 10
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- -1 polydimethylsiloxane Polymers 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 239000002480 mineral oil Substances 0.000 claims description 4
- 235000010446 mineral oil Nutrition 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- 239000000123 paper Substances 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 238000007865 diluting Methods 0.000 claims description 2
- 230000009477 glass transition Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229920001558 organosilicon polymer Polymers 0.000 claims description 2
- 239000012752 auxiliary agent Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 239000002344 surface layer Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses water-based acrylic release silicone oil and a preparation method and application thereof. The water-based acrylic release silicone oil disclosed by the invention is composed of water-based acrylic emulsion, water-based organic silicone oil, a wetting agent, a defoaming agent, a flatting agent and the like, the acrylic emulsion is added on the basis of the water-based organic silicone oil to form a uniformly mixed and dissolved structure, the coating coverage is good, the adhesive force reaches level 1, and the coating feels comfortable and smooth. The coating obtained by the release silicone oil is transparent and colorless, can generate good release effect, has smooth and bright coating surface, and can be applied to the outer surface layers of sanitary towels, paper diapers and the like.
Description
Technical Field
The invention relates to the field of coatings, in particular to water-based acrylic release silicone oil specially used for a special product as a special coating.
Background
The organic silicone oil is an important product in the field of the anti-adhesion coating at present, along with the implementation of various national standards and the rise of safe and environment-friendly concepts, the technology of the coating industry is continuously improved, and the characteristics of the product are more and more specialized. The water-based organic silicone oil is a product which takes water as a solvent and is produced in the market based on the principle of organic silicon anti-sticking. Because of its advantages of transparency, non-toxicity, low surface tension, high temperature resistance, weather resistance, etc., it is widely used as anti-sticking and anti-fouling coating on the outer surface of paper, plastic film, textile and other substrates.
However, the characteristics of release silicone oil products on the market still do not meet the requirements, and particularly when the release silicone oil is applied to the outer surface layer of a porous substrate, a release coating with soft, comfortable and smooth hand feeling is difficult to prepare, because the conventional release silicone oil is prepared by using single organic silicone oil as a main raw material, the curing temperature is high, and the obtained coating becomes dry and hard, has large friction force and natural and poor hand feeling.
Disclosure of Invention
The invention mainly aims to provide water-based acrylic release silicone oil so as to effectively overcome the defects.
In order to achieve the purpose, the water-based acrylic release silicone oil disclosed by the invention is composed of a water-based acrylic emulsion, water-based organic silicone oil, a wetting agent, a defoaming agent, a leveling agent and the like.
The water-based acrylic release silicone oil comprises the following components in percentage by weight:
the water-based acrylic emulsion has the advantages of glass transition temperature of 10-15 ℃, molecular weight of more than or equal to 200000, acid value of 50-60, pH value of 8.0-9.0, excellent film-forming property, and better weather resistance and water resistance.
The organic silicon oil is an organic silicon polymer modified by hydrophilic groups, has transparent appearance, viscosity of 1000-3000 mpa · s, pH value of 5.0-7.0 and effective content of 100%, can provide good release effect, and endows the coating with smooth, bright, soft and comfortable handfeel.
The solvent is a mixture of water and ethanol, and the volume ratio of the mixture is in a range of 1:1 to 3: 1.
Preferably, the water-based wetting agent is a polyether modified ethoxylated dimethyl polysiloxane oxide compound with low molecular weight, the effective content of the compound is 100%, the viscosity of the compound is 50-300 mPa, the compound has excellent wetting and diffusing effects, and the adhesive force of the release silicone oil can be effectively improved.
Preferably, the aqueous defoaming agent is a mixture containing aliphatic mineral oil, the effective content of the mixture is 100%, and the viscosity of the mixture is 50-300 mPa.
Preferably, the aqueous flatting agent is polydimethylsiloxane emulsion with high molecular weight, the effective content of the polydimethylsiloxane emulsion is 100%, the viscosity of the polydimethylsiloxane emulsion is 50-300 mPa, the excellent flatting, slip increasing and anti-adhesion effects are achieved, and the scratch resistance is effectively improved.
The preparation method of the water-based acrylic release silicone oil comprises the following steps: weighing the acrylic emulsion, the organic silicon oil and the auxiliaries according to the weight ratio, diluting the components with a small amount of solvent, mixing while stirring, adding the rest solvent, uniformly stirring at a high speed, and filtering to obtain the water-based acrylic release silicone oil.
When the release silicone oil is applied, the release silicone oil can be coated on the outer surface layer of a base material in a spraying or brushing way, and after a solvent is volatilized, the release silicone oil is heated to 80-120 ℃ for curing, wherein the curing time is generally 5-60 min.
The invention has the effects that the acrylic emulsion is added into the organic silicon release coating to form a uniformly mixed and dissolved structure, thereby enhancing the smooth hand feeling effect of the coating and effectively reducing the surface friction. The coating obtained by the release silicone oil is transparent and colorless, can generate good release effect, has smooth and bright coating surface, and can be applied to the outer surface layers of sanitary towels, paper diapers and the like.
Detailed Description
The present invention is further described in detail below by way of examples, which are only intended to aid understanding of the method and core concepts of the present invention, and do not limit the scope of the present invention. It should be noted that, without departing from the invention, a person skilled in the art may make several improvements and modifications to the invention, and these improvements and modifications also fall within the scope of the claims of the invention.
Example 1
The raw materials and reagents described in this example mainly include: the water-based acrylic emulsion is a product of New Material Ltd in spring of Fujian Green, the Tg value is 10-15 ℃, the molecular weight is more than or equal to 200000, the acid value is 50-60, and the PH value is 8.0-9.0; the aqueous wetting agent is a low molecular weight polyether modified ethoxylated dimethyl polysiloxane oxide derived from Silok8000, light yellow liquid; the aqueous defoamer was a mixture of Tego Foamex K8 fatty mineral oil; the water-based leveling agent is high molecular weight polydimethylsiloxane emulsion from Germany Digao Glide100, white emulsion; the solvent is a mixture of water and ethanol, and the volume ratio of the mixture is 3: 1. The silicone oil is Dow Corning DC193 silicone oil.
The formulation of this example is as follows (in parts by weight):
weighing the acrylic emulsion and the organic silicone oil according to the weight percentage ratio, adding half of solvent, heating to 50 ℃, stirring at a low speed for half an hour, adding all the additives and the rest solvent, stirring at a high speed for one hour, stopping stirring, cooling to room temperature, stopping stirring, and defoaming to obtain the water-based acrylic release silicone oil.
The coating is prepared by spraying or brushingThe release silicone oil is coated on the outer surface layer of the paper diaper with the coating weight of 1.2g/m2After the solvent is volatilized, the organic silicon release coating is heated to 100 ℃ and cured for 1 hour, the coating coverage of the obtained organic silicon release coating is good, the pencil hardness of the coating is 5B-6B, the adhesive force is 1 grade, the adhesive retention is more than 95 percent, the release coating coated on the base material by using a finger file does not drop silicone oil, and the hand feeling is comfortable and smooth.
Example 2
The raw materials and reagents described in this example mainly include: the water-based acrylic emulsion is a product of New Material Ltd in spring of Fujian Green, the Tg value is 10-15 ℃, the molecular weight is more than or equal to 200000, the acid value is 50-60, and the PH value is 8.0-9.0; the aqueous wetting agent is a low molecular weight polyether modified ethoxylated dimethyl polysiloxane oxide derived from Silok8000, light yellow liquid; the aqueous defoamer was a mixture of Tego Foamex K8 fatty mineral oil; the water-based leveling agent is high molecular weight polydimethylsiloxane emulsion from Germany Digao Glide100, white emulsion; the solvent is a mixture of water and ethanol, and the volume ratio of the mixture is 1: 1. The silicone oil is Dow Corning DC193 silicone oil.
The formulation of this example is as follows (in parts by weight):
weighing the acrylic emulsion and the organic silicone oil according to the weight percentage ratio, adding half of solvent, heating to 50 ℃, stirring at a low speed for half an hour, adding all the additives and the rest solvent, stirring at a high speed for one hour, stopping stirring, cooling to room temperature, stopping stirring, and defoaming to obtain the water-based acrylic release silicone oil.
The release silicone oil is coated on the outer surface layer of the sanitary towel in a spraying or brushing way, and the coating weight is 1.0g/m2After the solvent is volatilized, heating to 12Curing at 0 ℃ for 1 hour to obtain the organic silicon release coating with good coating coverage, the pencil hardness of the coating is 4B-5B, the adhesive force is 1 grade, the adhesive retention is more than 95 percent, silicone oil does not fall off from the release coating coated on the substrate by using fingers to rub, and the hand feeling is comfortable and smooth.
Claims (6)
1. The water-based acrylic release silicone oil is characterized in that: the raw materials comprise the following components in percentage by weight:
20-30% of water-based acrylic emulsion
10-20% of water-based organic silicone oil
0.1 to 1 percent of water-based defoaming agent
0.1 to 1 percent of water-based wetting agent
0.1 to 1 percent of water-based flatting agent
The balance of solvent;
wherein the glass transition temperature of the water-based acrylic emulsion is 10-15 ℃, the molecular weight is more than or equal to 200000, the acid value is 50-60, and the pH value is 8.0-9.0;
the water-based organic silicon oil is a hydrophilic group modified organic silicon polymer, has a transparent appearance, a viscosity of 1000-3000 mpa · s, a pH value of 5.0-7.0 and an effective content of 100%;
the solvent is a mixture of water and ethanol, and the volume ratio of the mixture is 1:1 to 3: 1;
the aqueous defoaming agent is a mixture containing aliphatic mineral oil;
the aqueous wetting agent is a polyether modified ethoxylated dimethyl polysiloxane oxide compound with low molecular weight;
the aqueous flatting agent is polydimethylsiloxane emulsion with high molecular weight;
the preparation method of the water-based acrylic release silicone oil comprises the following steps: weighing acrylic emulsion, organic silicone oil and various auxiliaries according to a weight ratio, diluting the components with a small amount of solvent, mixing while stirring, adding the rest solvent, and uniformly stirring at a high speed;
the water-based acrylic release silicone oil is used for the outer surface coating of sanitary towels and paper diapers.
2. The aqueous acrylic release silicone oil according to claim 1, characterized in that: the aqueous defoamer is Tego Foamex K8.
3. The aqueous acrylic release silicone oil according to claim 1, characterized in that: the aqueous wetting agent is Silok 8000.
4. The aqueous acrylic release silicone oil according to claim 1, characterized in that: the aqueous leveling agent is German Digao Glide 100.
5. The aqueous acrylic release silicone oil according to claim 1, characterized in that: the water-based organic silicone oil is Dow Corning DC193 silicone oil.
6. The method for preparing the aqueous acrylic release silicone oil according to claim 1, comprising the steps of: the acrylic emulsion, the organic silicon oil and the auxiliary agents are weighed according to the weight proportion, the components are diluted by a small amount of solvent, and are mixed while stirring, and then the rest solvent is added and is uniformly stirred at a high speed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710800933.2A CN107686691B (en) | 2017-09-07 | 2017-09-07 | Water-based acrylic release silicone oil and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710800933.2A CN107686691B (en) | 2017-09-07 | 2017-09-07 | Water-based acrylic release silicone oil and preparation method and application thereof |
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| CN107686691A CN107686691A (en) | 2018-02-13 |
| CN107686691B true CN107686691B (en) | 2021-01-26 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110760259B (en) * | 2019-11-05 | 2021-11-30 | 深圳市广麟材耀新能源材料科技有限公司 | Aluminum-plastic film smooth coating liquid and coating process thereof |
| CN114773939B (en) * | 2022-04-13 | 2023-05-23 | 华南理工大学 | Transparent super-hydrophilic coating and preparation method and application thereof |
| CN114958118A (en) * | 2022-07-05 | 2022-08-30 | 浙江广印通新材料科技有限公司 | Knife coating release coating for PET film |
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| CN102827537A (en) * | 2012-09-15 | 2012-12-19 | 合肥华清金属表面处理有限责任公司 | Aqueous normal temperature curing peelable paint and preparation method of paint |
| CN103254706A (en) * | 2013-05-21 | 2013-08-21 | 佛山市皇冠化工有限公司 | Water-based release agent and preparation method thereof |
| CN103351812A (en) * | 2013-07-17 | 2013-10-16 | 浙江池河科技有限公司 | Water-based mold release and preparation method thereof and release paper prepared by utilizing water-based mold release |
| CN103436125A (en) * | 2013-08-29 | 2013-12-11 | 中科院广州化学有限公司 | Acrylic organosilicone water-emulsion coating as well as preparation method and application for same |
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2017
- 2017-09-07 CN CN201710800933.2A patent/CN107686691B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102827537A (en) * | 2012-09-15 | 2012-12-19 | 合肥华清金属表面处理有限责任公司 | Aqueous normal temperature curing peelable paint and preparation method of paint |
| CN103254706A (en) * | 2013-05-21 | 2013-08-21 | 佛山市皇冠化工有限公司 | Water-based release agent and preparation method thereof |
| CN103351812A (en) * | 2013-07-17 | 2013-10-16 | 浙江池河科技有限公司 | Water-based mold release and preparation method thereof and release paper prepared by utilizing water-based mold release |
| CN103436125A (en) * | 2013-08-29 | 2013-12-11 | 中科院广州化学有限公司 | Acrylic organosilicone water-emulsion coating as well as preparation method and application for same |
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Effective date of registration: 20240116 Address after: Room 101, Building G, No. 18 Zhenxing Road, Fugong Town, Longhai District, Zhangzhou City, Fujian Province, 363100 Patentee after: Zhangzhou Green Spring Science and Technology Co.,Ltd. Address before: 361000 South 101A room, Chuang Chuang business park, torch high tech Zone, Xiamen, Fujian Patentee before: FUJIAN GREEN SPRING NEW MATERIAL CO.,LTD. |