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    • 13. 发明授权
    • Aqueous solutions or dispersions of copolymers
    • 共聚物的水溶液或分散体
    • US5914442A
    • 1999-06-22
    • US676233
    • 1996-07-25
    • Hermann BirkhoferMichael KneipPeter DanischWalter DenzingerAxel KistenmacherHeinrich Hartmann
    • Hermann BirkhoferMichael KneipPeter DanischWalter DenzingerAxel KistenmacherHeinrich Hartmann
    • C14C9/00B01F17/22B01F17/42C08F220/18C08F222/06C08J3/03C14C9/02C14C11/00
    • C08J3/03C08F220/18C08F222/06C14C9/02
    • Aqueous solution or aqueous dispersion of copolymers suitable for the fatliquoring and filling of leather and fur skins are obtained by free-radical copolymerization ofA.sup.1) C.sub.6 -C.sub.40 -monoolefins or C.sub.6 -C.sub.40 -alkyl vinyl ethers or mixtures thereof withB.sup.1) monoethylenically unsaturated C.sub.4 -C.sub.8 -dicarboxylic anhydrides or by free-radical copolymerization ofA.sup.2) C.sub.6 -C.sub.40 -alkyl acrylates or methacrylates or vinyl esters of C.sub.6 -C.sub.40 -carboxylic acids or mixtures thereof withB.sup.2) monoethylenically unsaturated C.sub.3 -C.sub.12 -carboxylic acids, monoethylenically unsaturated C.sub.4 -C.sub.12 -dicarboxylic anhydrides, monoesters or monoamides of monoethylenically unsaturated C.sub.4 -C.sub.12 -dicarboxylic acids, amides of monoethylenically unsaturated C.sub.3 -C.sub.12 -carboxylic acids or mixtures thereofto give copolymers with molecular weights of 500 to 30,000, where the carboxyl groups which are present in aqueous medium are at least partially neutralized, and some of the carboxylic groups can be in amidated form,containing 0.5-40% by weight, based on the amount of copolymer, of defined emulsifiers.
    • PCT No.PCT / EP95 / 00144 Sec。 371日期:1996年7月25日 102(e)日期1996年7月25日PCT提交1995年1月16日PCT公布。 WO95 / 20056 PCT公开号 日期1995年7月27日适用于加脂和填充皮革和毛皮的共聚物的水溶液或水分散体通过A1)C6-C40-单烯烃或C6-C40-烷基乙烯基醚或其混合物与 B1)单烯键式不饱和C 4 -C 8二羧酸酐或通过A2)C6-C40烷基丙烯酸酯或甲基丙烯酸酯或C6-C40-羧酸的乙烯酯或其混合物与B2)单烯属不饱和C 3 -C 12羧酸的自由基共聚合 酸,单烯属不饱和C 4 -C 12二羧酸酐,单烯属不饱和C 4 -C 12二羧酸的单酯或单酰胺,单烯属不饱和C 3 -C 12羧酸的酰胺或其混合物,得到分子量为500至30,000的共聚物,其中 存在于水性介质中的羧基至少部分中和,并且一些羧基可以是酰胺化形式,其含有0.5 -40重量%,基于共聚物的量,定义的乳化剂。
    • 18. 发明授权
    • Maleimide/.alpha.-olefin copolymers and their use as light stabilizers
and stabilizers for organic material
    • 马来酰亚胺/α-烯烃共聚物及其用作有机材料的光稳定剂和稳定剂
    • US5710228A
    • 1998-01-20
    • US644123
    • 1996-05-10
    • Alfred KrauseWalter DenzingerAlbert HettcheAlexander AumuellerHubert Trauth
    • Alfred KrauseWalter DenzingerAlbert HettcheAlexander AumuellerHubert Trauth
    • C08F2/06C08F8/32C08F210/14C08F222/40C08F210/00
    • C08F8/32C08F210/14
    • Maleimide/.alpha.-olefin copolymers are composed of structural units I ##STR1## where R.sup.1 is a tetramethylpiperidinyl radical of the formula II ##STR2## R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, formyl, C.sub.2 -C.sub.6 -alkanoyl, C.sub.1 -C.sub.12 -alkoxy, C.sub.5 - or C.sub.6 -cycloalkoxy, cyanomethyl, 2-hydroxyethyl, benzyl or a radical of the formula --CR.sup.4 =CH--CO--OR.sup.5, R.sup.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl or a radical of the formula --CO--OR.sup.5, and R.sup.5 is C.sub.5 -C.sub.18 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.7 -C.sub.18 -aralkyl, phenyl or tolyl, and up to 8 mol %, based on II, of R.sup.1 may furthermore be hydrogen, C.sub.1 -C.sub.22 -alkyl or C.sub.5 -C.sub.8 -cycloalkyl, and R.sup.2 is a mixture of C.sub.14 -C.sub.28 -alkyl groups, where two of these alkyl groups, which may differ by no more than two carbon atoms, each account for at least 30% of this mixture, having an average molecular weight of from 1,000 to 50,000. The copolymers described are suitable as light stabilizers and stabilizers for organic material, in particular plastics and coatings.
    • 马来酰亚胺/α-烯烃共聚物由结构单元Ⅰ(II)组成,其中R 1是式II的四甲基哌啶基,其中R 3是氢,C 1 -C 6烷基,甲酰基,C 2 -C 6 - 烷酰基,C 1 -C 12 - 烷氧基,C 5 - 或C 6 - 环烷氧基,氰基甲基,2-羟乙基,苄基或式-CR 4 = CH-CO-OR 5基团,R 4是氢,C 1 -C 6烷基或 式-CO-OR5和R5是C5-C18-烷基,C5-C8-环烷基,C7-C18-芳烷基,苯基或甲苯基,并且基于II的至多8摩尔%的R 1还可以是氢, C 1 -C 22 - 烷基或C 5 -C 8 - 环烷基,并且R 2是C 14 -C 28 - 烷基的混合物,其中两个可以不超过两个碳原子的烷基各自占据至少30% 的该混合物,其平均分子量为1,000至50,000。 所述的共聚物适合用作有机材料的光稳定剂和稳定剂,特别是塑料和涂料。