会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明授权
    • Cationic sizing agents for paper
    • 阳离子上胶剂纸
    • US4806591A
    • 1989-02-21
    • US921173
    • 1986-10-20
    • Joachim ProbstHeinz BaumgenBruno BomerJoachim KonigRenke Mottweiler
    • Joachim ProbstHeinz BaumgenBruno BomerJoachim KonigRenke Mottweiler
    • C08F2/28C08F2/24C08F257/02D21H17/35D21H17/37D21H17/45C08L33/20
    • D21H17/455C08F2/24C08F257/02D21H17/35D21H17/37
    • Cationic sizing agents for paper, obtainable by a process in which a water-soluble cationic terpolymer compound, built up in a chemically uniform manner, of (a) 7 to 40% by weight of N,N-dimethylaminoethyl acrylate and/or methacrylate, (b) 40 to 80% by weight of styrene and (c) 4 to 50% by weight of acrylonitrile, the sum of components (a) to (c) always being 100% by weight and at least 10% of the dimethylamino groups of the terpolymer being quaternized with monoepoxides, with the exception of epihalogenohydrins, and the remainder being protonated, is dissolved in an aqueous medium and, in the presence of 10 to 70% by weight--based on the following monomer mixture--of this emulsifier, (d) 5 to 95% by weight of acrylonitrile, meth-acrylonitrile or styrene or mixtures thereof and (e) 5 to 95% by weight of acrylic acid ester and/or methacrylic acid ester with 1 to 12 C atoms in the alcohol radical--the sum of components (d) and (e) always being 100% by weight--are emulsified and the emulsion thus obtained is subjected to emulsion polymerization, initiated by free radicals, at temperatures of 20.degree. to 150.degree. C.
    • 可通过以下方法获得的阳离子上胶剂:其中以(a)7〜40重量%的N,N-二甲基氨基乙基丙烯酸酯和/或甲基丙烯酸酯组成的以化学均匀的方式构成的水溶性阳离子三元共聚物, (b)40至80重量%的苯乙烯和(c)4至50重量%的丙烯腈,组分(a)至(c)的总和总是100重量%,并且至少10重量%的二甲基氨基 的三元共聚物被单过氧化物季铵化,除了表卤代醇,其余的被质子化,溶解在水性介质中,并且在该乳化剂的基于下列单体混合物的10至70重量%的存在下, (d)5至95重量%的丙烯腈,甲基丙烯腈或苯乙烯或其混合物,和(e)5至95重量%的醇基中具有1至12个C原子的丙烯酸酯和/或甲基丙烯酸酯 组分(d)和(e)总是为100重量%的总和被乳化和乳液 由此获得的乳液聚合在20℃至150℃的温度下由自由基引发。
    • 10. 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℃