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    • 14. 发明授权
    • N-alkylimide copolymers and their use as sizing agents
    • N-烷基酰亚胺共聚物及其作为上浆剂的用途
    • US4596863A
    • 1986-06-24
    • US607103
    • 1984-05-04
    • Gunter SackmannUlrich BeckHeinz Baumgen
    • Gunter SackmannUlrich BeckHeinz Baumgen
    • C08F8/14C08F8/32D21H17/43C08F22/40D21D3/00
    • C08F8/14C08F8/32D21H17/43
    • The present invention relates to new copolymers based on maleic anhydride/.alpha.,.beta.-unsaturated compounds and characterized in that they consist of(A) 10 to 40 mol percent of the structural element ##STR1## (B) 40 to 80 mol percent of the structural element ##STR2## and (C) 10 to 50 mol percent of the structural element ##STR3## where the total of mol percentages of (A), (B) and (C) is 100 and whereR.sub.1 =hydrogen or alkyl,R.sub.2 =hydrogen, alkyl or optionally substituted aryl,R.sub.3 =a hydrocarbon radical having 10 to 22 C atoms,R.sub.4 =a hydrocarbon radical having 10 to 22 C atoms, andX=an oxygen atom or an NR.sub.5 group where R.sub.5 represents a hydrocarbon radical having 1 to 18 C atoms.The copolymers in question are excellent active ingredients for sizing agents for paper and are suitable not only for pulp-sizing but also for surface-sizing.
    • 本发明涉及基于马来酸酐/α,β-不饱和化合物的新共聚物,其特征在于它们由(A)10〜40摩尔%的结构单元组成(I)(B)40〜80摩尔 (A),(B)和(C)的总摩尔百分数为100的结构单元(II)和(C)的10〜50摩尔%的结构单元的百分比(IMA) 并且其中R 1 =氢或烷基,R 2 =氢,烷基或任选取代的芳基,R 3 =具有10-22个碳原子的烃基,R4 =具有10-22个碳原子的烃基,X =氧原子或 NR5基,其中R5表示具有1至18个C原子的烃基。 所述共聚物是用于纸张的上浆剂的优异活性成分,并且不仅适用于浆浆施胶,而且适用于表面施胶。
    • 16. 发明授权
    • Cationic sizing agent for paper, and a process for its preparation
    • 用于纸张的阳离子上胶剂及其制备方法
    • US4659431A
    • 1987-04-21
    • US691991
    • 1985-01-16
    • Joachim ProbstUlrich BeckHeinz Baumgen
    • Joachim ProbstUlrich BeckHeinz Baumgen
    • C08F2/00C08F2/24C08F2/28C08F212/00C08F212/08C08F220/00C08F220/10C08F220/12C08F257/02D21H17/35D21H17/37D21H17/45D21H19/20D21H21/16D21H3/38
    • C08F257/02C08F2/24C08F212/08D21H17/35D21H17/37D21H17/455D21H21/16
    • New, highly effective cationic sizing agents for paper have been provided. They can be obtained by a method in which a water-soluble cationic chemically pure terpolymer compound consisting of(a) 7-40% by weight of N,N-dimethylaminoethyl acrylate and/or methacrylate,(b) 40-80% by weight of styrene and(c) 4-40% by weight of acrylonitrileis dissolved in an aqueous medium, the sum of the components (a) to (c) always being 100% by weight and at least 10% of the N,N-dimethylamino groups of the terpolymer being quaternized and the remainder being protonated, and, in the presence of 10 to 70% by weight, relative to the monomer mixture below, of this emulsifier,(d) 0 to 90% by weight of acrylonitrile and/or methacrylonitrile,(e) 5 to 95% by weight of styrene and(f) 5 to 95% by weight of acrylates and/or methacrylates having 1 to 12 C atoms in the alcohol radical,the sum of the components (d) to (f) always being 100% by weight, are emulsified, and the emulsion thus obtained is subjected to free radical-initiated emulsion polymerization at temperatures from 20.degree. to 150.degree. C.
    • 已经提供了用于纸的新的高效阳离子上胶剂。 它们可以通过以下方法获得:其中由(a)7-40重量%的丙烯酸N,N-二甲基氨基乙酯和/或甲基丙烯酸酯组成的水溶性阳离子化学纯三元共聚物,(b)40-80重量% 的苯乙烯和(c)4-40重量%的丙烯腈溶解在水性介质中,组分(a)至(c)的总和总是为100重量%,并且至少10重量%的N, 三元共聚物的二甲基氨基被季铵化,其余部分被质子化,并且在该乳化剂相对于单体混合物的10至70重量%的存在下,(d)0至90重量%的丙烯腈和/ 或甲基丙烯腈,(e)5至95重量%的苯乙烯和(f)5至95重量%的醇基中具有1至12个碳原子的丙烯酸酯和/或甲基丙烯酸酯,组分(d)至 (f)总是为100重量%,乳化,得到的乳液在20D的温度下进行自由基引发的乳液聚合 EG至150℃