CN103924478A - Mold release agent for masking tape, and preparation method thereof - Google Patents
Mold release agent for masking tape, and preparation method thereof Download PDFInfo
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- CN103924478A CN103924478A CN201410139504.1A CN201410139504A CN103924478A CN 103924478 A CN103924478 A CN 103924478A CN 201410139504 A CN201410139504 A CN 201410139504A CN 103924478 A CN103924478 A CN 103924478A
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Abstract
The invention relates to a mold release agent for a masking tape, and a preparation method of the mold release agent. The mold release agent is prepared from the following raw materials in parts by weight: 150-270 parts of ethyl acrylate, 0-90 parts of butyl acrylate, 0-110 parts of methyl methacrylate, 0-105 parts of styrene, 5-10 parts of succinic acid, 0-7 parts of crosslinking monomer, 500-600 parts of deionized water, 0.1-0.4 part of sodium bicarbonate, 3-5 parts of lauryl sodium sulfate, 1.2-3.0 parts of ammonium persulfate, 0.5-2 parts of a defoaming agent, 30-55 parts of zinc glycinate, 5-15 parts of ammonia water, 20-100 parts of long-chain alkyl surface active agent and 0-10 parts of modified polysiloxane. The mold release agent is a water-based mold release agent, is convenient to use and can be directly coated or can be coated after being diluted by water; a catalyst is not fed into the mold release agent, and the mold release agent is capable of crosslinking at low temperature and does not contain an organic solvent, so that the mold release agent is free from environmental pollution and harmless to the human health; furthermore, the mold release agent has good heat resistance and weather resistance, is capable of providing proper mold release force for the masking tape, and is lower in migration rate; the tape prepared by the mold release agent is free from residual glue after being used, so that the protected surface is not polluted.
Description
Technical field
The present invention relates to mould release technical field, relate in particular to a kind of masking tape mould release and preparation method thereof.
Background technology
Masking tape is that a kind of high-tech is decorated, spraying paper using, and the production and the maintenance paint spraying and baking that are widely used in the vehicles such as passenger vehicle, aircraft and ship hide; All kinds of electronic apparatus are produced the covering of spraying paint; And print covering of paper-making industry, room temperature is fitted up the covering of spraying paint, light thing wrapping, packaging etc.Masking tape is mainly made up of impregnation paper body paper such as (make through impregnation liquid impregnation process) U.S. line paper, adhesive and three parts of mould release.Mould release claims again antitack agent, isolating agent, is one of critical material of producing masking tape, and to the function and application important of masking tape, the research and development of mould release are the bases of successfully developing various function masking tapes.Along with the development of automobile, electronics, decorations industry, China's masking tape industry has also obtained certain development.But, the complete dependence on import of mould release, delivery cycle is long, and service does not catch up with, and has limited the development of masking tape industry, and existing product needs hot setting in addition, and production and application is not convenient, and energy consumption is large.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of good heatproof weather resistance that has, can provide suitable off-type force for U.S. line paper self-adhesive tape, there is lower mobility, can solve the present situation of the complete dependence on import of existing mould release, can solve again and need the masking tape of the problems such as hot setting mould release and preparation method thereof.
The present invention is achieved by the following technical solutions:
Above-mentioned masking tape mould release, it is made up of following raw material by weight: ethyl acrylate 150～270, butyl acrylate 0～90, methyl methacrylate 0～110, benzene second 0～105, succinic acid 5～10, cross-linking monomer 0～7, deionized water 500～600, sodium bicarbonate 0.1～0.4, lauryl sodium sulfate 3～5, ammonium persulfate 1.2～3.0, defoamer 0.5～2, glycine zine 30～55, ammoniacal liquor 5～15, chain alkyl surfactant 20～100 and modified polyorganosiloxane 0～10.
The preparation method of mould release for described masking tape, wherein: described ethyl acrylate, butyl acrylate, methyl methacrylate, styrene, succinic acid, cross-linking monomer, sodium bicarbonate, lauryl sodium sulfate, ammonium persulfate and defoamer are technical grade product.
The preparation method of mould release for a kind of masking tape, it comprises the following steps: (1) adds the water that lauryl sodium sulfate that in above-mentioned formula, mass percent is 80～90% and mass percent are 20～35% mix and stir in pre-emulsification still, add again ethyl acrylates whole in formula, butyl acrylate, methyl methacrylate, styrene, succinic acid, cross-linking monomer, stir, make monomer pre-emulsion; (2) in reactor, adding mass percent is 50～70% water and remaining lauryl sodium sulfate and whole sodium bicarbonates, stirs; (3) reactor is warming up to 78～85 DEG C, adds the monomer pre-emulsion that ammonium persulfate that in formula, mass percent is 60～75% and mass percent are 2～8%; After (4) 5～15min, start to drip remaining monomer pre-emulsion and ammonium persulfate, keep 80～90 DEG C of temperature, in 3.5～4.5 hours, dropwise; (5) after dropwising, be incubated 1～2 hour at 82～90 DEG C, then carry out rear elimination process, then be cooled to 45 DEG C of neutralizations, and add defoamer, stir; (6) glycine zine dispersion liquid is slowly added to reactor, stir; (7) chain alkyl surfactant and Siloxane-Oxyalkylene Copolymers are added to reactor, discharging stirs.
The preparation method of mould release for described masking tape, wherein: the cross-linking monomer described in described step (1) is BDO diacrylate, 1, the one in 6-hexanediyl ester, tripropylene glycol diacrylate.
The preparation method of mould release for described masking tape, wherein: the rear elimination process in described step (5) is specifically eliminated unreacted residual monomer by sodium formaldehyde sulfoxylate and tert-butyl hydroperoxide.
The preparation method of mould release for described masking tape, wherein: the N-process in described step (5) is to regulate pH value 557.5～8.5 with ammoniacal liquor.
The preparation method of mould release for described masking tape, wherein: in described step (5), defoamer used is novel polyether modified organic silicon defoamer.
Beneficial effect:
Masking tape mould release of the present invention is water-based mould release, easy to use, can directly be coated with or dilute with water after be coated with; Use with the collocation of supporting defoamer, system is bubbled few, can high-speed coating, can effectively improve the production efficiency of adhesive tape; Without adding catalyst, can crosslinked at low temperature, energy efficient; , containing organic solvent, environmentally safe, for workman does not provide good working environment;
Meanwhile, mould release provided by the present invention has good heatproof weather resistance, can provide suitable off-type force for masking tape, has lower mobility, and the adhesive tape that made by it cull not after using, does not pollute protected surface;
Not only step is simple, easy to operate for the preparation method of masking tape use mould release of the present invention, and preparation efficiency is high, and the mould release product quality of preparing is high, and result of use is good.
Detailed description of the invention
Masking tape mould release of the present invention, it is made up of following raw material by weight:
Ethyl acrylate 150～270, butyl acrylate 0～90, methyl methacrylate 0～110, benzene second 0～105, succinic acid 5～10, cross-linking monomer 0～7, deionized water 500～600, sodium bicarbonate 0.1～0.4, lauryl sodium sulfate 3～5, ammonium persulfate 1.2～3.0, defoamer 0.5～2, glycine zine 30～55, ammoniacal liquor 5～15, chain alkyl surfactant 20～100 and modified polyorganosiloxane 0～10.
Wherein, above ethyl acrylate, butyl acrylate, methyl methacrylate, styrene, succinic acid, cross-linking monomer, sodium bicarbonate, lauryl sodium sulfate, ammonium persulfate, defoamer are technical grade product.
Meanwhile, the masking tape of preparing with above-mentioned mould release is made up of impregnation paper, adhesive and mould release, and mould release is coated the back side of impregnation paper, and mould release consumption is 3～5g/m
2(dry weight).
The preparation method of mould release for masking tape of the present invention, comprises the following steps:
S011, in pre-emulsification still, add the water that lauryl sodium sulfate that in above-mentioned formula, mass percent is 80～90% and mass percent are 20～35% mix and stir, add again ethyl acrylates whole in formula, butyl acrylate, methyl methacrylate, styrene, succinic acid, cross-linking monomer, stir, make monomer pre-emulsion;
S012, in reactor, to add mass percent be 50～70% water and remaining lauryl sodium sulfate and whole sodium bicarbonates, stirs;
S013, reactor are warming up to 78～85 DEG C, add the monomer pre-emulsion that ammonium persulfate that in formula, mass percent is 60～75% and mass percent are 2～8%;
After S014,5～15min, start to drip remaining monomer pre-emulsion and ammonium persulfate, keep 80～90 DEG C of temperature, in 3.5～4.5 hours, dropwise;
S015, dropwise after, be incubated 1～2 hour at 82～90 DEG C, then carry out rear elimination process, then be cooled to 45 DEG C of neutralizations, and add defoamer, stir;
S016, glycine zine dispersion liquid is slowly added to reactor, stir;
S017, chain alkyl surfactant and Siloxane-Oxyalkylene Copolymers are added to reactor, discharging stirs.
Wherein, the cross-linking monomer described in above-mentioned steps S011 is the one in Isosorbide-5-Nitrae～butanediol diacrylate, 1,6～hexanediyl ester, tripropylene glycol diacrylate; Rear elimination process in above-mentioned steps S015 is specifically eliminated unreacted residual monomer by sodium formaldehyde sulfoxylate and tert-butyl hydroperoxide.N-process is to regulate pH value to 7.5～8.5 with ammoniacal liquor, and defoamer used is novel polyether modified organic silicon defoamer.
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
The masking tape mould release of the embodiment of the present invention 1, it is made up of following raw material by weight:
Ethyl acrylate 190, butyl acrylate 35, methyl methacrylate 110, succinic acid 8, Isosorbide-5-Nitrae～butanediol diacrylate 1.75, deionized water 580, sodium bicarbonate 0.2, lauryl sodium sulfate 3.24, ammonium persulfate 2.35, defoamer 1.3, glycine zine 18, ammoniacal liquor 10, docosyl amber sulfonate sodium 30 and modified polyorganosiloxane 5.
The preparation method of mould release for the masking tape of the embodiment of the present invention 1, comprises the following steps:
The preparation of S111, monomer pre-emulsion: in pre-emulsification still, add the water that lauryl sodium sulfate that in formula, mass percent is 80% and mass percent are 25% mix and stir, add again ethyl acrylates whole in formula, butyl acrylate, methyl methacrylate, succinic acid, stir, make monomer pre-emulsion;
S112, in reactor, to add mass percent be 60% water and remaining lauryl sodium sulfate and whole sodium bicarbonates, stirs;
S113, reactor heat up 5578～85 DEG C, add the monomer pre-emulsion that ammonium persulfate that in formula, mass percent is 70% and mass percent are 4%;
After S114,5～15min, start to drip the solution that deionized water that remaining monomer pre-emulsion and mass percent are 5% and remaining ammonium persulfate are made into, keep 80～90 DEG C of temperature, in 3.5～4.0 hours, dropwise;
S115, dropwise after, be incubated 1～2 hour at 82～90 DEG C, then carry out rear elimination process, then be cooled to 45 DEG C of neutralizations, and add defoamer, stir;
S116, add glycine zine dispersion liquid, stir;
S117, chain alkyl surfactant and modified polyorganosiloxane are added to reactor, with in the emulsion of becoming reconciled mix, discharging stirs;
Wherein, by the masking tape of the embodiment of the present invention 1 with coating after mould release dilute with water on impregnation paper, dry, unit are grammes per square metre is 4.2g, test by the U.S.'s PSTC of pressure sensitive adhesive association testing standard PSTC～4, as standard adhesive tape, survey its off-type force, mobility, aging rear off-type force and mobility with 232 adhesive tapes of 3M, see the following form 1.
Embodiment 2
The masking tape mould release of the embodiment of the present invention 2, it is made up of following raw material by weight:
Ethyl acrylate 144.5, butyl acrylate 62, styrene 125, succinic acid 10, deionized water 570, sodium bicarbonate 0.2, lauryl sodium sulfate 3.34, sodium peroxydisulfate 2.35, defoamer 1.5, glycine zine 21, ammoniacal liquor 12, chain alkyl surfactant 60 and modified polyorganosiloxane 2.
The preparation method of mould release for the masking tape of the embodiment of the present invention 2, comprises the following steps:
S211, in pre-emulsification still, add the water that lauryl sodium sulfate that in formula, mass percent is 80% and mass percent are 25% mix and stir, add again ethyl acrylates whole in formula, butyl acrylate, styrene, succinic acid, stir, make monomer pre-emulsion;
S212, in reactor, to add mass percent be 60% water, remaining lauryl sodium sulfate and whole sodium bicarbonates, stirs;
S213, reactor are warming up to 78～85 DEG C, add the monomer pre-emulsion that ammonium persulfate that in formula, mass percent is 70% and mass percent are 4%;
After S214,5～15min, start to drip the solution that deionized water that remaining monomer pre-emulsion and mass percent are 5% and remaining ammonium persulfate are made into, keep 80～90 DEG C of temperature, in 3.5～4.0 hours, dropwise;
S215, dropwise after, be incubated 1～2 hour at 82～90 DEG C, then carry out rear elimination process, then be cooled to 45 DEG C of neutralizations, and add defoamer, stir;
S216, add glycine zine dispersion liquid, stir;
S217, chain alkyl surfactant and modified polyorganosiloxane are added to reactor, with in the emulsion of becoming reconciled mix, discharging stirs;
Wherein, the masking tape of the embodiment of the present invention 2, with coating after mould release dilute with water on impregnation paper, is dried, unit are grammes per square metre is 5.1g, tests by the U.S.'s PSTC of pressure sensitive adhesive association testing standard PSTC～4.As standard adhesive tape, survey its off-type force, mobility, aging rear off-type force and mobility with 232 adhesive tapes of 3M, see the following form 1.
The performance test results of above-described embodiment 1,2 gained mould releases sees the following form 1:
Masking tape mould release of the present invention, easy to use, can directly be coated with or dilute with water after be coated with; there is good heatproof weather resistance, can provide suitable off-type force for U.S. line paper self-adhesive tape, there is lower mobility; cull not after adhesive tape uses, does not pollute protected surface.
Not only step is simple, easy to operate for the preparation method of masking tape use mould release of the present invention, and preparation efficiency is high, and the mould release product quality of preparing is high, and result of use is good.
Claims (7)
1. a masking tape mould release, is characterized in that being made up of following raw material by weight: ethyl acrylate 150～270, butyl acrylate 0～90, methyl methacrylate 0～110, benzene second 0～105, succinic acid 5～10, cross-linking monomer 0～7, deionized water 500～600, sodium bicarbonate 0.1～0.4, lauryl sodium sulfate 3～5, ammonium persulfate 1.2～3.0, defoamer 0.5～2, glycine zine 30～55, ammoniacal liquor 5～15, chain alkyl surfactant 20～100 and modified polyorganosiloxane 0～10.
2. masking tape mould release as claimed in claim 1, is characterized in that: described ethyl acrylate, butyl acrylate, methyl methacrylate, styrene, succinic acid, cross-linking monomer, sodium bicarbonate, lauryl sodium sulfate, ammonium persulfate and defoamer are technical grade product.
3. a preparation method for mould release for the masking tape based on described in claim 1 or 2, is characterized in that, comprises the following steps:
(1) in pre-emulsification still, add the water that lauryl sodium sulfate that in above-mentioned formula, mass percent is 80～90% and mass percent are 20～35% mix and stir, add again ethyl acrylates whole in formula, butyl acrylate, methyl methacrylate, styrene, succinic acid, cross-linking monomer, stir, make monomer pre-emulsion;
(2) in reactor, adding mass percent is 50～70% water and remaining lauryl sodium sulfate and whole sodium bicarbonates, stirs;
(3) reactor is warming up to 78～85 DEG C, adds the monomer pre-emulsion that ammonium persulfate that in formula, mass percent is 60～75% and mass percent are 2～8%;
After (4) 5～15min, start to drip remaining monomer pre-emulsion and ammonium persulfate, keep 80～90 DEG C of temperature, in 3.5～4.5 hours, dropwise;
(5) after dropwising, be incubated 1～2 hour at 82～90 DEG C, then carry out rear elimination process, then be cooled to 45 DEG C of neutralizations, and add defoamer, stir;
(6) glycine zine dispersion liquid is slowly added to reactor, stir;
(7) chain alkyl surfactant and Siloxane-Oxyalkylene Copolymers are added to reactor, discharging stirs.
4. the preparation method of mould release for masking tape as claimed in claim 3, it is characterized in that: the cross-linking monomer described in described step (1) is 1,4-butanediol diacrylate, 1, the one in 6-hexanediyl ester, tripropylene glycol diacrylate.
5. the preparation method of mould release for masking tape as claimed in claim 3, is characterized in that: the rear elimination process in described step (5) is specifically eliminated unreacted residual monomer by sodium formaldehyde sulfoxylate and tert-butyl hydroperoxide.
6. the preparation method of mould release for masking tape as claimed in claim 3, is characterized in that: the N-process in described step (5) is to regulate pH value to 7.5～8.5 with ammoniacal liquor.
7. the preparation method of mould release for masking tape as claimed in claim 3, is characterized in that: in described step (5), defoamer used is novel polyether modified organic silicon defoamer.
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| CN104987728A (en) * | 2015-07-22 | 2015-10-21 | 浙江传化股份有限公司 | Supramolecular composition with low surface energy and preparation method thereof |
| CN105778683A (en) * | 2014-12-23 | 2016-07-20 | 常熟市嘉邦胶带有限责任公司 | Release agent for antiskid adhesive tape |
| CN105801741A (en) * | 2016-06-01 | 2016-07-27 | 福建蓝海黑石科技有限公司 | Waterproof paper release agent and method for preparing same |
| CN106381084A (en) * | 2016-10-17 | 2017-02-08 | 哈尔滨工业大学无锡新材料研究院 | Non-transfer organic silicon modified acrylate parting agent and preparation method thereof |
| CN106883660A (en) * | 2017-03-01 | 2017-06-23 | 苏州威仕薄膜科技有限公司 | It is a kind of aqueous cold and hot to tear type transfer mould release agent and preparation method thereof |
| CN112373214A (en) * | 2020-09-17 | 2021-02-19 | 上海当纳利印刷有限公司 | Glue film mixture for ink-jet proofing and film coating scheme |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106883660A (en) * | 2017-03-01 | 2017-06-23 | 苏州威仕薄膜科技有限公司 | It is a kind of aqueous cold and hot to tear type transfer mould release agent and preparation method thereof |
| CN112373214A (en) * | 2020-09-17 | 2021-02-19 | 上海当纳利印刷有限公司 | Glue film mixture for ink-jet proofing and film coating scheme |
| CN112373214B (en) * | 2020-09-17 | 2022-09-23 | 上海当纳利印刷有限公司 | Film coating method for ink-jet proofing |
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Effective date of registration: 20211103 Address after: 363900 No. 7, Shun Da Road, Yin Tong Industrial Zone, Gulong farm, Changtai County, Zhangzhou, Fujian Patentee after: FUJIAN BLUE OCEAN & BLACK STONE NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 101113 blue ocean Blackstone, Zhangxinzhuang industrial compound, Zhangjiawan Town, Tongzhou Development Zone, Beijing Patentee before: BLUE OCEAN & BLACK STONE TECHNOLOGY Co.,Ltd. (BEIJING) |
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