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    • 3. 发明申请
    • Sealing gasket for closure and process for production of closure using the same
    • 用于封闭的密封垫圈和使用其的生产闭合的过程
    • US20090318657A1
    • 2009-12-24
    • US10580041
    • 2005-03-14
    • Toshinori MorigaNaoki AoyamaHiroei Yokota
    • Toshinori MorigaNaoki AoyamaHiroei Yokota
    • C08G18/08C08G18/32
    • C08G18/36C08G18/6547
    • A sealing gasket for closure, made of a polyurethane elastomer obtained by reacting the following (A), (B) and (C): (A) a polyisocyanate component having an isocyanate group content of 5 to 38% by weight and average 2 to 3 functional groups, obtained by modifying an aliphatic isocyanate and/or an alicyclic isocyanate, (B) a polyol component having a hydroxyl value of 20 to 350 mgKOH/g and average 2 to 3 functional groups, and (C) a glycerin fatty acid ester having hydroxyl group(s); and a process for producing a closure using such a sealing gasket. The closure sealing gasket made of a polyurethane elastomer, obtained by the present invention, when used for a closure (e.g. a metal closure of a food container having good sealing properties), is little eluted, is less in swelling with an alcoholic beverage and less in the absorption of the odor of the alcoholic beverage into the closure sealing gasket, and is tough, and causes no yellowing.
    • 一种用于封闭的密封垫圈,由通过以下(A),(B)和(C)反应获得的聚氨酯弹性体制成:(A)异氰酸酯基含量为5-38重量%且平均为2至 通过改性脂肪族异氰酸酯和/或脂环族异氰酸酯获得的3个官能团,(B)羟值为20〜350mgKOH / g,平均2〜3个官能团的多元醇成分,(C)甘油脂肪酸 具有羟基的酯; 以及使用这种密封垫片制造封盖的方法。 由本发明获得的由聚氨酯弹性体制成的封闭密封垫圈用于封闭件(例如,具有良好密封性能的食品容器的金属封闭件)几乎没有被洗脱,酒精饮料溶胀较小 在吸收酒精饮料的气味进入封闭密封垫片时,是坚韧的,不会发黄。
    • 9. 发明授权
    • Binder compositions for stoving lacquers and a process for the
production of coatings therefrom
    • 用于生产漆膜的粘合剂组合物及其生产涂料的方法
    • US5216107A
    • 1993-06-01
    • US727735
    • 1991-07-10
    • Josef PedainFriedrich SchraderDieter MagerHans-Heribert Burgdorfer
    • Josef PedainFriedrich SchraderDieter MagerHans-Heribert Burgdorfer
    • B05D3/02B05D7/24C08G18/32C08G18/36C08G18/48C08G18/65C08G18/66C08G18/78C08G18/79C08G18/80C09D175/00C09D175/04
    • C08G18/6547C08G18/3215C08G18/36C08G18/798C08G18/8061
    • The present invention relates to a binder composition containinga) 20 to 70% by weight of oligomerization products of 1,6-diisocyanatohexane, the oligomerization products having isocyanate groups at least partially blocked with blocking agents for isocyanate groups and containing at least 50% by weight, based on the weight of the oligomerization products, of blocked uretdione diisocyanates corresponding to formula (I) ##STR1## wherein R represents the residue formed by removal of the active hydrogen atom from a monofunctional blocking agent, andb) 30 to 80% by weight of a polyol component containing a mixture ofb1) 100 parts by weight of an alkoxylation product of bisphenol A corresponding to formula (II) ##STR2## wherein R' is hydrogen or a methyl group and n is a whole or fractional number from 1 to 2,b2) 20 to 200 parts by weight castor oil andb3) 0 to 40 parts by weight of other organic polyhydroxyl compounds.The present invention also relates to a process for the production of coatings by coating heat-resistant substrates with a heat-curing coating composition containing the binder compositions of the present invention and subsequently curing the coatings at 90.degree. to 220.degree. C.
    • 本发明涉及一种粘合剂组合物,其含有a)20〜70重量%的1,6-二异氰酸根合己烷的低聚产物,所述低聚产物具有至少部分被异氰酸酯基团的封闭剂部分封端的异氰酸酯基团并且含有至少50% 对应于式(I)的封端的脲二酮二异氰酸酯的重量(重量),其中R表示通过从单官能封端剂除去活性氢原子形成的残基,和b)30 至80重量%的含有b1)100重量份对应于式(II)的双酚A的烷氧基化产物的多元醇组分(II)其中R'是氢或甲基,n是 1〜2的整数或分数,b2)20〜200重量份蓖麻油和b3)0〜40重量份的其他有机多羟基化合物。 本发明还涉及通过用含有本发明的粘合剂组合物的热固化涂料组合物涂覆耐热基材并随后在90℃至220℃固化涂层来生产涂料的方法。