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AQUEOUS, POLYVINYL ALCOHOL STABILIZED VINYL ACETATE-ETHYLENE-COPOLYMER DISPERSION HAVING HIGH FILLER COMPATIBILITY FOR CARPET COATING COMPOSITIONS
专利权人:
WACKER CHEMIE AG
发明人:
Künstle Holger,Melchin Timo,Tangelder Robert
申请号:
US201515328129
公开号:
US2017253759(A1)
申请日:
2015.07.01
申请国别(地区):
美国
年份:
2017
代理人:
摘要:
The invention relates to an aqueous vinyl acetate-ethylene-copolymer dispersion for carpet coating compositions, which is obtained by means of radical-initiated emulsion polymerization, in an aqueous medium, of vinyl acetate and ethylene and optionally additional ethylenically unsaturated comonomers, characterized in that, for stabilization of the dispersion, 5 to 10 wt %, based on the total weight of the comonomers, of one or a plurality of partially saponified and low-molecular polyvinyl alcohols having a hydrolysis degree of 80 to 95 mol % and a Höppler viscosity, in 4% aqueous solution, of 1 to 5 mPas (method according to Höppler at 20° C., DIN 53015) are contained.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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