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AQUEOUS POLYURETHANE DISPERSION ADHESIVE COMPOSITIONS
专利权人:
DOW GLOBAL TECHNOLOGIES LLC;ROHM AND HAAS COMPANY;BAI, Chenyan;QU, Zhaohui;WU, Jie;SEHANOBISH, Kalyan;CHEN, Hongyu;LIU, Xinchun;ZHANG, Chao
发明人:
BAI, Chenyan,QU, Zhaohui,WU, Jie,SEHANOBISH, Kalyan,CHEN, Hongyu,LIU, Xinchun,ZHANG, Chao
申请号:
WO2017CN83935
公开号:
WO2018205221(A1)
申请日:
2017.05.11
申请国别(地区):
世界知识产权组织国际局
年份:
2018
代理人:
摘要:
An aqueous polyurethane dispersion compositions are disclosed. The compositions include a polyurethane prepolymer dispersed in an aqueous medium, the polyurethane prepolymer comprising an isocyanate and a crystalline polyester polyol having a hydroxyl content of 20 to 150 mg KOH/g and a melt temperature of less than or equal to 90℃. Methods of forming a laminate are also disclosed. The methods include providing an aqueous polyurethane dispersion, applying the polyurethane dispersion to a surface of the first substrate, bringing the side of the first substrate into contract with a surface of the second substrate, and curing the aqueous dispersion, thereby laminating the first substrate to the second substrate. Laminates formed by the methods and including the compositions are also disclosed.
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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