Polyurethane adhesive mixtures
    3.
    发明授权
    Polyurethane adhesive mixtures 失效
    聚氨酯胶粘剂混合物

    公开(公告)号:US4731410A

    公开(公告)日:1988-03-15

    申请号:US881244

    申请日:1986-07-02

    CPC classification number: C08G18/7671 C09J175/06 C08G2170/20

    Abstract: Polyurethane adhesive mixtures or polyurethane adhesive solutions contain(a) a polyurethane elastomer which advantageously has a mean molecular weight of not less than 30,000 and which is prepared by reacting(i) one or more essentially linear polyesterpolyols and(ii) one or more chain extenders with(iii) a mixture of 4,4'- and 2,4'-diphenylmethane diisocyanate isomers in a weight ratio of from 60:40 to 40:60 and(b) if appropriate, additives and/or organic solvents.

    Abstract translation: 聚氨酯粘合剂混合物或聚氨酯粘合剂溶液包含(a)有利地具有不小于30,000的平均分子量的聚氨酯弹性体,其通过(i)一种或多种基本上线性的聚酯多元醇和(ii)一种或多种扩链剂 与(iii)重量比为60:40至40:60的4,4'-和2,4'-二苯基甲烷二异氰酸酯异构体的混合物和(b)如果合适的话,添加剂和/或有机溶剂。

    Thickeners for aqueous dispersions
    10.
    发明授权
    Thickeners for aqueous dispersions 失效
    增稠剂用于水性分散体

    公开(公告)号:US06803405B1

    公开(公告)日:2004-10-12

    申请号:US10088521

    申请日:2002-03-29

    CPC classification number: C08F226/10 C08F218/08

    Abstract: The invention relates to the aqueous preparation of a polymer. Said preparation contains a copolymer consisting of a) 30 to 79.5 wt. % N-vinylpyrrolidone, b) 20 to 69.5 wt. % vinylacetate, c) 0.5 to 25 wt % of a monovinyl ester of a C4 to C20 monocarboxylic acid and d) 0 to 40 wt. % of an additional, copolymerisable, ethylenically unsaturated compound.

    Abstract translation: 本发明涉及聚合物的水性制剂。 所述制备物包含由以下组分组成的共聚物:a)30〜79.5重量% %N-乙烯基吡咯烷酮,b)20〜69.5重量% %乙酸乙烯酯,c)0.5〜25重量%的C4〜C20一元羧酸的单乙烯基酯,以及d)0〜40重量% %的另外的可共聚的烯属不饱和化合物。

Patent Agency Ranking