CN103172782A - Vinyl acetate emulsion - Google Patents
Vinyl acetate emulsion Download PDFInfo
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- CN103172782A CN103172782A CN2013100981987A CN201310098198A CN103172782A CN 103172782 A CN103172782 A CN 103172782A CN 2013100981987 A CN2013100981987 A CN 2013100981987A CN 201310098198 A CN201310098198 A CN 201310098198A CN 103172782 A CN103172782 A CN 103172782A
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- vinyl acetate
- acetate emulsion
- emulsion
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Abstract
The invention provides a vinyl acetate emulsion which contains the following components in percentage by weight: 10%-98% of vinyl acetate, 0%-50% of butyl acrylate, 0%-15% of styrene, 0%-20% of ethyl acrylate, 0%-5% of acrylic acid, 0%-5% of maleic anhydride and 0%-20% of methyl methacrylate, wherein the grain diameter of the vinyl acetate emulsion ranges from 100 nanometers to 500 nanometers. The vinyl acetate emulsion provided by the invention has the advantages of good stability of emulsion synthesized batches, free design of the grain diameter of a final product, grain diameter distribution range between 100 nanometers and 500 nanometers, low system viscosity, convenience for operation in subsequent application, small system gel quantity, higher water resistance, solid content higher than or equal to 50% and is favorable to the controlling the reaction process.
Description
Technical field
The present invention relates to a kind of vinyl acetate emulsion, relate in particular to a kind of synthetic vinyl acetate emulsion of seeded emulsion polymerization technology that adopts.
Background technology
In adhesive tape making processes, generally all can apply one deck parting agent at its another side at an adhesive coating of substrate, make like this adhesive tape in roll packaging, the glue of adhesive layer can not be attached on substrate.
It is that protective colloid synthesizes that traditional vinyl acetate emulsion adopts Natvosol or polyvinyl alcohol, and polymerization process system viscosity is large, is unfavorable for removing of system heat.Because the system viscosity is high, thus can't synthesis of high solid content (〉 60%) emulsion.Emulsion particle diameter after synthetic is difficult to control, and the distribution range of particle diameter is wider, and particle diameter is generally higher, is difficult to synthetic particle diameter less than the emulsion of 300nm.In addition, owing to adding a large amount of wetting ability protective colloids or the larger emulsifying agent of hydrophilic and oleophilic value, make the water tolerance of product bad in the building-up process of emulsion.
For defects, be badly in need of synthetic a kind of new vinyl acetate emulsion and solve the deficiencies in the prior art.
Summary of the invention
The object of the present invention is to provide a kind of vinyl acetate emulsion, this kind vinyl acetate emulsion grain diameter scope is 100nm-500nm.
For realizing aforementioned purpose, the present invention adopts following technical scheme:
A kind of vinyl acetate emulsion, its each component and weight percent thereof are as follows: vinyl acetate (10%-98%), butyl acrylate (0%-50%), vinylbenzene (0%-15%), ethyl propenoate (0%-20%), vinylformic acid (0%-5%), maleic anhydride (0%-5%), methyl methacrylate (0%-20%), the particle size range of described vinyl acetate emulsion are 100nm-500nm.
As a further improvement on the present invention, each component of described vinyl acetate emulsion and weight percent thereof are as follows: vinyl acetate (30%-98%), butyl acrylate (1%-20%), vinylbenzene (1%-10%), ethyl propenoate (1%-10%), vinylformic acid (0%-3%), maleic anhydride (0%-3%), methyl methacrylate (1%-10%).
As a further improvement on the present invention, the solid content of described vinyl acetate emulsion is not less than 50%.
As a further improvement on the present invention, the range of viscosities 10-1000CPS of described vinyl acetate emulsion.
The present invention compared with prior art has following beneficial effect:
Vinyl acetate emulsion synthetic emulsion batch good stability provided by the invention, can freely design the particle diameter of the finished product, particle size distribution range is 100nm-500nm, the system viscosity is low, be beneficial to the control of reaction process, convenient operation in follow-up use, the system gel content is few, have stronger water tolerance, solid content is not less than 50%.
Embodiment
The present invention will be further elaborated below by embodiment:
Present embodiment provides a kind of vinyl acetate emulsion, and it each component and weight percent thereof that comprises is as follows:
Vinyl acetate (10%-98%), butyl acrylate (0%-50%), vinylbenzene (0%-15%), ethyl propenoate (0%-20%), vinylformic acid (0%-5%), maleic anhydride (0%-5%), methyl methacrylate (0%-20%), the particle size range of described vinyl acetate emulsion is 100nm-500nm.
Preferably, each component and weight percent thereof are as follows: vinyl acetate (30%-98%), butyl acrylate (1%-20%), vinylbenzene (1%-10%), ethyl propenoate (1%-10%), vinylformic acid (0%-3%), maleic anhydride (0%-3%), methyl methacrylate (1%-10%).The particle size range of described vinyl acetate emulsion is 100nm-300nm.The solid content 55% of described vinyl acetate emulsion.The range of viscosities of described vinyl acetate emulsion is 10-500CPS.
The present invention adopts the seeded emulsion polymerization technology, synthesizing vinyl acetate ester emulsion, and this vinyl acetate emulsion can be applicable to U.S. line paper self-adhesive tape industry.At the first initiating stage of this vinyl acetate emulsion polymerization; adding particle diameter is the seed emulsion of 50-150nm left and right; take this emulsion Natvosol traditional as seed replaces or the protective colloid of polyvinyl alcohol, thereby can control better size and the size distribution of final vinyl acetate emulsion.Simultaneously, the polymerization system viscosity is lower, and polymerization process is stable and more easy to control, and the gel content that polymerization process produces obviously reduces.
Although be the example purpose, the preferred embodiment of the present invention is disclosed, but those of ordinary skill in the art will recognize, in the situation that do not break away from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.
Claims (4)
1. vinyl acetate emulsion, it is characterized in that: each component of described vinyl acetate emulsion and weight percent thereof are as follows: vinyl acetate (10%-98%), butyl acrylate (0%-50%), vinylbenzene (0%-15%), ethyl propenoate (0%-20%), vinylformic acid (0%-5%), maleic anhydride (0%-5%), methyl methacrylate (0%-20%), the particle size range of described vinyl acetate emulsion are 100nm-500nm.
2. vinyl acetate between to for plastic fat liquor according to claim 1, it is characterized in that: each component of described vinyl acetate emulsion and weight percent thereof are as follows: vinyl acetate (30%-98%), butyl acrylate (1%-20%), vinylbenzene (1%-10%), ethyl propenoate (1%-10%), vinylformic acid (0%-3%), maleic anhydride (0%-3%), methyl methacrylate (1%-10%).
3. vinyl acetate emulsion according to claim 1, it is characterized in that: the solid content of described vinyl acetate emulsion is not less than 50%.
4. vinyl acetate emulsion according to claim 1, is characterized in that: the range of viscosities 10-1000CPS of described vinyl acetate emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100981987A CN103172782A (en) | 2013-03-25 | 2013-03-25 | Vinyl acetate emulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100981987A CN103172782A (en) | 2013-03-25 | 2013-03-25 | Vinyl acetate emulsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103172782A true CN103172782A (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100981987A Pending CN103172782A (en) | 2013-03-25 | 2013-03-25 | Vinyl acetate emulsion |
Country Status (1)
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| CN (1) | CN103172782A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177533A (en) * | 2014-09-05 | 2014-12-03 | 无锡欧易博阀业科技有限公司 | Water-based latex and preparation method thereof |
| CN105255298A (en) * | 2015-10-17 | 2016-01-20 | 佛山市顺德区巴德富实业有限公司 | VAc/St/BA (vinyl acetate-styrene-butyl acrylate) stone paint emulsion and preparation method |
| CN104861105B (en) * | 2014-02-21 | 2017-05-10 | 上海飞凯光电材料股份有限公司 | Copolymerization resin and preparation method thereof |
Citations (4)
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| JPS63308002A (en) * | 1987-06-09 | 1988-12-15 | Kanebo N S C Kk | Production of emulsion polymer composition having high solid content |
| US6087437A (en) * | 1996-09-27 | 2000-07-11 | National Starch And Chemical Investment Holding Corporation | Ethylene/vinyl acetate latex binders and paints which are free of volatile coalescents and freeze-thaw additives |
| CN101585894A (en) * | 2009-07-03 | 2009-11-25 | 四川大学 | Preparation method of vinyl acetate-acrylate copolymerization emulsion |
| CN101775093A (en) * | 2010-01-21 | 2010-07-14 | 江苏工业学院 | Method for preparing copolymer miniemulsion by stabilizing and modifying reactive co-stabilizer |
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2013
- 2013-03-25 CN CN2013100981987A patent/CN103172782A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63308002A (en) * | 1987-06-09 | 1988-12-15 | Kanebo N S C Kk | Production of emulsion polymer composition having high solid content |
| US6087437A (en) * | 1996-09-27 | 2000-07-11 | National Starch And Chemical Investment Holding Corporation | Ethylene/vinyl acetate latex binders and paints which are free of volatile coalescents and freeze-thaw additives |
| CN101585894A (en) * | 2009-07-03 | 2009-11-25 | 四川大学 | Preparation method of vinyl acetate-acrylate copolymerization emulsion |
| CN101775093A (en) * | 2010-01-21 | 2010-07-14 | 江苏工业学院 | Method for preparing copolymer miniemulsion by stabilizing and modifying reactive co-stabilizer |
Non-Patent Citations (5)
| Title |
|---|
| 刘海英等: "《苯乙烯改性聚醋酸乙烯乳液合成工艺研究》", 《化学与黏合》, vol. 27, no. 6, 31 December 2005 (2005-12-31), pages 352 - 354 * |
| 尹秀欣等: "《无皂改性醋酸乙烯酯乳液的研究》", 《中国胶黏剂》, vol. 13, no. 4, 30 April 2004 (2004-04-30), pages 8 - 10 * |
| 张小伟: "《可再分散聚合物粉末的制备研究》", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》, no. 2, 15 December 2011 (2011-12-15), pages 016 - 121 * |
| 徐永祥等: "《醋酸乙烯酯乳液聚合的研究进展》", 《石油化工》, vol. 33, no. 9, 31 December 2004 (2004-12-31), pages 885 - 889 * |
| 杨捷等: "《苯乙烯-丙烯酸酯-醋酸乙烯酯三元共聚乳液的合成》", 《安徽化工》, no. 6, 31 December 2000 (2000-12-31), pages 24 - 25 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861105B (en) * | 2014-02-21 | 2017-05-10 | 上海飞凯光电材料股份有限公司 | Copolymerization resin and preparation method thereof |
| CN104177533A (en) * | 2014-09-05 | 2014-12-03 | 无锡欧易博阀业科技有限公司 | Water-based latex and preparation method thereof |
| CN105255298A (en) * | 2015-10-17 | 2016-01-20 | 佛山市顺德区巴德富实业有限公司 | VAc/St/BA (vinyl acetate-styrene-butyl acrylate) stone paint emulsion and preparation method |
| CN105255298B (en) * | 2015-10-17 | 2017-10-10 | 佛山市顺德区巴德富实业有限公司 | A kind of true mineral varnish emulsion of vinegar phenylpropyl alcohol and preparation method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 201600 Shanghai city Songjiang District street Yongfeng River Road No. 89 Applicant after: SHANGHAI SMITH ADHESIVE NEW MATERIAL CO., LTD. Address before: 201600 Shanghai city Songjiang District street Yongfeng River Road No. 89 Applicant before: Shanghai Smith Adhesive Tape Development Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SHANGHAI SMITH ADHESIVE TAPE DEVELOPMENT CO., LTD. TO: SHANGHAI JINGHUA ADHESIVE NEW MATERIALS CO., LTD. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130626 |