CN103924478B - A kind of masking tape mould release and preparation method thereof - Google Patents
A kind of masking tape mould release and preparation method thereof Download PDFInfo
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- CN103924478B CN103924478B CN201410139504.1A CN201410139504A CN103924478B CN 103924478 B CN103924478 B CN 103924478B CN 201410139504 A CN201410139504 A CN 201410139504A CN 103924478 B CN103924478 B CN 103924478B
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Abstract
The present invention relates to a kind of masking tape mould release and preparation method thereof, this mould release is made up of following raw material by weight: ethyl acrylate 150 ~ 270, butyl acrylate 0 ~ 90, methyl methacrylate 0 ~ 110, styrene 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.Mould release of the present invention is water-based mould release, easy to use, can directly be coated with or be coated with after dilute with water, without the need to adding catalyst, can crosslinked at low temperature, and not containing organic solvent, environmentally safe, is harmful to human health; Meanwhile, have good heatproof weather resistance, can provide suitable off-type force, have lower mobility for masking tape, not cull after being used by its obtained adhesive tape, does not pollute protected surface.
Description
Technical field
The present invention relates to mould release technical field, particularly relate to a kind of masking tape mould release and preparation method thereof.
Background technology
Masking tape is a kind of high-tech decoration, 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; Covering of spraying paint produced by all kinds of electronic apparatus; And print covering of paper-making industry, room temperature fits up covering of spraying paint, light thing wrapping, packaging etc.Masking tape is primarily of impregnation paper (body paper such as U.S. line paper obtains through impregnation liquid impregnation process), adhesive and mould release three part composition.Mould release is also known as antitack agent, isolating agent, and be one of critical material producing masking tape, to the function and application important of masking tape, the research and development of mould release are the bases successfully developing various function masking tape.Along with the development of automobile, electronics, decorations industry, China's masking tape industry have also been obtained certain development.But the complete dependence on import of mould release, delivery cycle is long, and service does not catch up with, and limit the development of masking tape industry, 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 and a kind of there is good heatproof weather resistance, suitable off-type force can be provided for U.S. line paper self-adhesive tape, there is lower mobility, the present situation of the complete dependence on import of existing mould release can be solved, masking tape mould release needing the problems such as hot setting and preparation method thereof can be solved again.
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, styrene 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 described masking tape mould release, 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.
A kind of preparation method of masking tape mould release, it comprises the following steps: (1) add in pre-emulsification still mass percent in above-mentioned formula be 80 ~ 90% lauryl sodium sulfate and mass percent be 20 ~ 35% deionized water mix and stir, add ethyl acrylates whole in formula, butyl acrylate, methyl methacrylate, styrene, succinic acid, cross-linking monomer again, stir, make monomer pre-emulsion; (2) adding mass percent is in a kettle. the deionized water of 50 ~ 70% and the lauryl sodium sulfate of remainder and whole sodium bicarbonates, stirs; (3) reactor is warming up to 78 ~ 85 DEG C, add mass percent in formula be 60 ~ 75% ammonium persulfate and mass percent be 2 ~ 8% monomer pre-emulsion; Start after (4) 5 ~ 15min to drip remaining monomer pre-emulsion and ammonium persulfate, keep temperature 80 ~ 90 DEG C, dropwise in 3.5 ~ 4.5 hours; (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 is made dispersion liquid, then it is slowly added reactor, stir; (7) chain alkyl surfactant and Siloxane-Oxyalkylene Copolymers are added reactor, stir discharging.
The preparation method of described masking tape mould release, wherein: the cross-linking monomer described in described step (1) is the one in BDO diacrylate, 1,6-hexanediyl ester, tripropylene glycol diacrylate.
The preparation method of described masking tape mould release, wherein: the rear elimination process in described step (5) specifically eliminates unreacted residual monomer by sodium formaldehyde sulfoxylate and tert-butyl hydroperoxide.
The preparation method of described masking tape mould release, wherein: the N-process in described step (5) is with ammoniacal liquor adjust ph to 7.5 ~ 8.5.
The preparation method of described masking tape mould release, wherein; In described step (5), defoamer used is organic silicon modified by polyether 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 be coated with after dilute with water; Arrange in pairs or groups with supporting defoamer and use, system is bubbled few, can high-speed coating, effectively can improve the production efficiency of adhesive tape; Without the need to adding catalyst, can crosslinked at low temperature, energy efficient; Not containing organic solvent, environmentally safe, for workman provides good working environment;
Meanwhile, mould release provided by the present invention has good heatproof weather resistance, can provide suitable off-type force, have lower mobility for masking tape, and not cull after being used by its obtained adhesive tape, does not pollute protected surface;
Not only step is simple, easy to operate for the preparation method of masking tape mould release of the present invention, and preparation efficiency is high, and the mould release product quality prepared 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, styrene 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 prepared with above-mentioned mould release is made up of impregnation paper, adhesive and mould release, and mould release coats the back side of impregnation paper, and mould release consumption is 3 ~ 5g/m
2(dry weight).
The preparation method of masking tape mould release of the present invention, comprises the following steps:
S011, add in pre-emulsification still mass percent in above-mentioned formula be 80 ~ 90% lauryl sodium sulfate and mass percent be 20 ~ 35% deionized water mix and stir, add ethyl acrylates whole in formula, butyl acrylate, methyl methacrylate, styrene, succinic acid, cross-linking monomer again, stir, make monomer pre-emulsion;
S012, to add mass percent be in a kettle. the deionized water of 50 ~ 70% and the lauryl sodium sulfate of remainder and whole sodium bicarbonates, stirs;
S013, reactor are warming up to 78 ~ 85 DEG C, add mass percent in formula be 60 ~ 75% ammonium persulfate and mass percent be 2 ~ 8% monomer pre-emulsion;
Start after S014,5 ~ 15min to drip remaining monomer pre-emulsion and ammonium persulfate, keep temperature 80 ~ 90 DEG C, dropwise in 3.5 ~ 4.5 hours;
S015, dropwise after, at 82 ~ 90 DEG C be incubated 1 ~ 2 hour, then carry out rear elimination process, then be cooled to 45 DEG C of neutralizations, and add defoamer, stir;
S016, glycine zine is made dispersion liquid, then it is slowly added reactor, stir;
S017, chain alkyl surfactant and Siloxane-Oxyalkylene Copolymers are added reactor, stir discharging.
Wherein, the cross-linking monomer described in above-mentioned steps S011 is Isosorbide-5-Nitrae ~ butanediol diacrylate, 1, the one in 6 ~ hexanediyl ester, tripropylene glycol diacrylate; Rear elimination process in above-mentioned steps S015 specifically eliminates unreacted residual monomer by sodium formaldehyde sulfoxylate and tert-butyl hydroperoxide.N-process is that defoamer used is organic silicon modified by polyether defoamer with ammoniacal liquor adjust ph to 7.5 ~ 8.5.
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 the masking tape mould release of the embodiment of the present invention 1, comprises the following steps:
The preparation of S111, monomer pre-emulsion: in pre-emulsification still, add mass percent in formula be 80% lauryl sodium sulfate and mass percent be 25% deionized water mix and stir, add ethyl acrylates whole in formula, butyl acrylate, methyl methacrylate, succinic acid again, stir, make monomer pre-emulsion;
S112, to add mass percent be in a kettle. the deionized water of 60% and the lauryl sodium sulfate of remainder and whole sodium bicarbonates, stirs;
S113, reactor are warming up to 78 ~ 85 DEG C, add mass percent in formula be 70% ammonium persulfate and mass percent be 4% monomer pre-emulsion;
Start to drip the solution that is made into remaining ammonium persulfate of deionized water that remaining monomer pre-emulsion and mass percent are 5% after S114,5 ~ 15min, keep temperature 80 ~ 90 DEG C, dropwise in 3.5 ~ 4.0 hours;
S115, dropwise after, at 82 ~ 90 DEG C be incubated 1 ~ 2 hour, then carry out rear elimination process, then be cooled to 45 DEG C of neutralizations, and add defoamer, stir;
S116, glycine zine is made dispersion liquid, then it is slowly added reactor, stir;
S117, chain alkyl surfactant and modified polyorganosiloxane are added reactor, with in the emulsion of becoming reconciled mix, stir discharging;
Wherein, to coat on impregnation paper after the masking tape mould release dilute with water of the embodiment of the present invention 1, dry, unit are grammes per square metre is 4.2g, test by American Pressure Sensitive glue association PSTC testing standard PSTC ~ 4, with 232 adhesive tapes of 3M as standard adhesive tape, survey its off-type force, mobility, aging rear off-type force and mobility, 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 the masking tape mould release of the embodiment of the present invention 2, comprises the following steps:
S211, in pre-emulsification still, add mass percent in formula be 80% lauryl sodium sulfate and mass percent be 25% deionized water mix and stir, add ethyl acrylates whole in formula, butyl acrylate, styrene, succinic acid again, stir, make monomer pre-emulsion;
S212, to add mass percent be in a kettle. the deionized water of 60%, remaining lauryl sodium sulfate and whole sodium bicarbonates, stirs;
S213, reactor are warming up to 78 ~ 85 DEG C, add mass percent in formula be 70% ammonium persulfate and mass percent be 4% monomer pre-emulsion;
Start to drip the solution that is made into remaining ammonium persulfate of deionized water that remaining monomer pre-emulsion and mass percent are 5% after S214,5 ~ 15min, keep temperature 80 ~ 90 DEG C, dropwise in 3.5 ~ 4.0 hours;
S215, dropwise after, at 82 ~ 90 DEG C be incubated 1 ~ 2 hour, then carry out rear elimination process, then be cooled to 45 DEG C of neutralizations, and add defoamer, stir;
S216, glycine zine is made dispersion liquid, then it is slowly added reactor, stir;
S217, chain alkyl surfactant and modified polyorganosiloxane are added reactor, with in the emulsion of becoming reconciled mix, stir discharging;
Wherein, will coat on impregnation paper after the masking tape mould release dilute with water of the embodiment of the present invention 2, dry, unit are grammes per square metre be 5.1g, tests by American Pressure Sensitive glue association PSTC testing standard PSTC ~ 4.With 232 adhesive tapes of 3M as standard adhesive tape, survey its off-type force, mobility, aging rear off-type force and mobility, see the following form 1.
The performance test results of above-described embodiment 1,2 gained mould release sees the following form 1:
Masking tape mould release of the present invention, easy to use, can directly be coated with or be coated with after dilute with water; there is good heatproof weather resistance, suitable off-type force can be provided for U.S. line paper self-adhesive tape, there is lower mobility; not cull after adhesive tape uses, does not pollute protected surface.
Not only step is simple, easy to operate for the preparation method of masking tape mould release of the present invention, and preparation efficiency is high, and the mould release product quality prepared is high, and result of use is good.
Claims (5)
1. the preparation method of a masking tape mould release, masking tape mould release is made up of following raw material by weight: ethyl acrylate 150 ~ 270, butyl acrylate 0 ~ 90, methyl methacrylate 0 ~ 110, styrene 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, 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, it is characterized in that, comprise the following steps:
(1) add in pre-emulsification still mass percent in above-mentioned formula be 80 ~ 90% lauryl sodium sulfate and mass percent be 20 ~ 35% deionized water mix and stir, add ethyl acrylates whole in formula, butyl acrylate, methyl methacrylate, styrene, succinic acid, cross-linking monomer again, stir, make monomer pre-emulsion;
(2) adding mass percent is in a kettle. the deionized water of 50 ~ 70% and the lauryl sodium sulfate of remainder and whole sodium bicarbonates, stirs;
(3) reactor is warming up to 78 ~ 85 DEG C, add mass percent in formula be 60 ~ 75% ammonium persulfate and mass percent be 2 ~ 8% monomer pre-emulsion;
Start after (4) 5 ~ 15min to drip remaining monomer pre-emulsion and ammonium persulfate, keep temperature 80 ~ 90 DEG C, dropwise in 3.5 ~ 4.5 hours;
(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 is made dispersion liquid, then it is slowly added reactor, stir;
(7) chain alkyl surfactant and Siloxane-Oxyalkylene Copolymers are added reactor, stir discharging.
2. the preparation method of masking tape mould release as claimed in claim 1, it is characterized in that: the cross-linking monomer described in described step (1) is 1, one in 4-butanediol diacrylate, 1,6-hexanediyl ester, tripropylene glycol diacrylate.
3. the preparation method of masking tape mould release as claimed in claim 1, is characterized in that: the rear elimination process in described step (5) specifically eliminates unreacted residual monomer by sodium formaldehyde sulfoxylate and tert-butyl hydroperoxide.
4. the preparation method of masking tape mould release as claimed in claim 1, is characterized in that: the N-process in described step (5) is with ammoniacal liquor adjust ph to 7.5 ~ 8.5.
5. the preparation method of masking tape mould release as claimed in claim 1, is characterized in that: in described step (5), defoamer used is organic silicon modified by polyether defoamer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104530875B (en) * | 2014-12-05 | 2017-01-18 | 佛山市南海高拓包装材料有限公司 | Release agent 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 |
| CN104987728B (en) * | 2015-07-22 | 2017-10-20 | 传化智联股份有限公司 | A kind of supermolecule low-surface-energy composition and preparation method thereof |
| CN105801741B (en) * | 2016-06-01 | 2018-10-26 | 福建蓝海黑石新材料科技有限公司 | Water proof type paper mould release and preparation method thereof |
| CN106381084B (en) * | 2016-10-17 | 2019-08-27 | 哈尔滨工业大学无锡新材料研究院 | It is a kind of without transfer organosilicon-modified acrylate mould release 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 |
| 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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| US20040076785A1 (en) * | 2000-05-09 | 2004-04-22 | Richards Corlyss J. | Water-whitening resistant latex emulsion pressure sensitive adhesive and its production |
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| CN101696557A (en) * | 2009-10-15 | 2010-04-21 | 广州市白云区春源纸业制品厂 | Release paper for artificial leather, preparation method and application thereof |
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