Ethylene-based copolymers and their use as flow improvers in mineral oil
middle distillates
    2.
    发明授权
    Ethylene-based copolymers and their use as flow improvers in mineral oil middle distillates 失效
    乙烯基共聚物及其在矿物油中间馏分中作为流动改进剂的用途

    公开(公告)号:US5747616A

    公开(公告)日:1998-05-05

    申请号:US869971

    申请日:1997-06-05

    摘要: Ethylene-based copolymers which are suitable as flow improvers for mineral oil middle distillates are composed of a) from 50 to 94% by weight of ethylene, b) from 3 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids, c) from 3 to 20% by weight of one or more aminoalkyl acrylates of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl, R.sup.2 and R.sup.3 may be identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.1 is straight-chain or branched C.sub.2 -C.sub.10 -alkylene, and d) from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a) to c), copolymers in which monomer b) is vinyl acetate and which have a number average molecular weight of from 5000 to 50,000 being excluded, or are composed of a') from 50 to 95.5% by weight of ethylene, b') from 4 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids, c') from 0.5 to 20% by weight of one or more vinylimidazoles of the general formula II ##STR2## where R.sup.4, R.sup.5 and R.sup.6 may be identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl, or from 0.5 to 20% by weight of one or more aminoalkyl vinyl ethers of the general formula III R.sup.7 R.sup.8 N--A.sup.2 --O--CR.sup.9 .dbd.CR.sup.10 R.sup.11(III) where R.sup.7 and R.sup.8 are each C.sub.1 -C.sub.6 -alkyl, R.sup.9, R.sup.10 and R.sup.11 are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.2 is C.sub.2 -C.sub.6 -alkylene, and d') from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a') to c').

    摘要翻译: 适用于矿物油中间馏分的流动改进剂的乙烯基共聚物由以下组成:a)50-94重量%的乙烯,b)3-30重量%的一种或多种C2-C6- 一元羧酸,c)3至20重量%的一种或多种通式I(I)的氨基烷基丙烯酸酯,其中R 1是氢或甲基,R 2和R 3可以相同或不同,各自为氢或C1 -C6-烷基和A1是直链或支链C 2 -C 10 - 亚烷基,和d)0至10重量%的可与单体a)至c)共聚的一种或多种单体,其中单体b )为乙酸乙烯酯,其数均分子量为5000〜50,000,或者由以下组成:a)50〜95.5重量%的乙烯,b'),4〜30重量%的一种或多种 更多的C2-C6-一元羧酸的乙烯基酯,c')0.5至20重量%的一种或多种通式II的乙烯基咪唑(II)w 这里R 4,R 5和R 6可以相同或不同,各自为氢或C 1 -C 6烷基,或0.5至20重量%的一种或多种通式IIIR7R8N-A2-O-CR9 = CR10R11的氨基烷基乙烯基醚 (III)其中R 7和R 8各自为C 1 -C 6烷基,R 9,R 10和R 11各自为氢或C 1 -C 6烷基,且A 2为C 2 -C 6亚烷基,d')为0至10重量% 一种或多种可与单体a')至c')共聚的单体。

    Water-dilutable binders, aqueous coating materials containing these
binders, and processes for the priming or one-layer coating of plastics
    6.
    发明授权
    Water-dilutable binders, aqueous coating materials containing these binders, and processes for the priming or one-layer coating of plastics 失效
    水可稀释粘合剂,含有这些粘合剂的水性涂料,以及塑料的起泡或单层涂布方法

    公开(公告)号:US5817370A

    公开(公告)日:1998-10-06

    申请号:US762480

    申请日:1996-12-09

    IPC分类号: C08J7/04 B05D1/36

    摘要: Water dilutable binders, prepared by subjecting to free radical polymerization (A) from 20 to 90% by weight of a mixture of (a1) from 3 to 50% by weight of acrylic acid, methacrylic acid or a mixture of acrylic acid and methacrylic acid, and (a2) from 50 to 97% by weight of an ethylenically unsaturated monomer or a mixture of ethylenically unsaturated monomers, in the presence of (B) from 9.9 to 79.9% by weight of a halogen-free polyolefin free from maleic anhydride groups, or a mixture of halogen-free polyolefins free from maleic anhydride groups, and (C) from 0.1 to 10% by weight of a free radical initiator or a mixture of free radical initiators and, after neutralization of at least 20% of the carboxyl groups contained in the resulting polymerization product, dispersing the polymerization product in water, the sum of the percentages by weight of components (A), (B) and (C) and (a1) and (a2) in each case always being 100% by weight.

    摘要翻译: 水可稀释粘合剂,其通过自由基聚合(A)20至90重量%的(a1)3至50重量%的丙烯酸,甲基丙烯酸或丙烯酸和甲基丙烯酸的混合物的混合物 ,和(a2)在(B)9.9〜79.9重量%的不含马来酸酐基团的不含卤素的聚烯烃的存在下,将50〜97重量%的烯属不饱和单体或烯属不饱和单体的混合物 ,或不含马来酸酐基团的无卤素聚烯烃的混合物,和(C)0.1至10重量%的自由基引发剂或自由基引发剂的混合物,并且在中和至少20%的羧基 包含在所得聚合产物中的基团,将聚合产物分散在水中,各种组分(A),(B)和(C)和(a1)和(a2)的重量百分比之和始终为100% 重量。