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
    • 4. 发明授权
    • Process for the production of thermoplastic molding materials based on
vinyl polymers
    • 用于生产基于乙烯基聚合物的热塑性成型材料的方法
    • US4181788A
    • 1980-01-01
    • US908763
    • 1978-05-23
    • Frank WinglerLothar LiebigGerd WassmuthMartin UllrichManfred Hederich
    • Frank WinglerLothar LiebigGerd WassmuthMartin UllrichManfred Hederich
    • B01J19/24C08F2/00C08F2/02C08F6/00C08F6/28C08F6/10
    • B01J19/243C08F6/28B01J2219/00094
    • A process for the production of thermoplastically processible moulding materials based on vinyl polymers of high chemical and molecular uniformity and having residual monomer contents of less than 0.1 mol % which comprises the steps of:(i) mass homogeneous phase polymerization of at least one vinyl monomer in a stirred continuously charged tank reactor to a conversion of from 25 to 60 mol %;(ii) directly concentrating the syrup consisting of residual monomers and vinyl polymer dissolved therein obtained from step (i) in a spiral tube evaporator at a temperature of from 60.degree. to 250.degree. C. and at a pressure of 100 m bar to 35 bar to obtain a solid content of vinyl polymer of from 40 to 90 mol %;(iii) directly charging the concentrate obtained from step (ii) to the inlet zone of a screw evaporator which consists of at least two sequential zones in order to effect further concentration, in which a first zone at a pressure of from 10 to 300 m bar and at a temperature of from 100.degree. to 250.degree. C. concentrates the vinyl polymer to a solid content of from 80 to 99 mol-%, and each subsequent zone at a pressure of 1 to 200 m bar and at a temperature of 150.degree. to 250.degree. C. concentrates the vinyl polymer to a solid content of at least 99.9 %; and(iv) recycling the residual monomers from step (ii) and the residual monomers from said first zone of the screw evaporator to the stirred and charged tank reactor without intermediate cleaning.
    • 一种生产基于乙烯基聚合物的热塑性可加工成型材料的方法,其具有高的化学和分子均匀性并且具有小于0.1摩尔%的残余单体含量,其包括以下步骤:(i)至少一种乙烯基单体的均匀相聚合 在搅拌的连续加入的釜式反应器中以25至60mol%的转化率; (ii)将由步骤(i)获得的残留单体和乙烯基聚合物组成的糖浆直接浓缩在螺旋管式蒸发器中,温度为60-250℃,压力为100巴,至35巴 以获得40至90mol%的乙烯基聚合物的固体含量; (iii)将由步骤(ii)获得的浓缩物直接装入由至少两个顺序区组成的螺杆蒸发器的入口区域,以便进一步浓缩,其中第一区域的压力为10-300μm 并且在100至250℃的温度下将乙烯基聚合物浓缩至固体含量为80至99mol%,并且每个后续区域在1至200mbar的压力和150℃的温度下 DEG至250℃,将乙烯基聚合物浓缩至至少99的固体含量。
    • 7. 发明授权
    • Thermoplastic moulding compositions
    • 热塑性成型组合物
    • US4205140A
    • 1980-05-27
    • US852628
    • 1977-11-18
    • Lothar LiebigFrank WinglerDieter MargotteWerner Nouvertne
    • Lothar LiebigFrank WinglerDieter MargotteWerner Nouvertne
    • C08L25/12C08L33/12C08L51/00C08L51/04C08L55/00C08L55/02C08L69/00C08L67/06
    • C08L51/04C08L25/12C08L33/12C08L55/02C08L69/00
    • A thermoplastic moulding composition comprising:(1.) 80 to 20 parts by wt. of a thermoplastic polycarbonate based on a dihydroxy diaryl alkane,(2.) 20 to 80 parts by wt. of a graft polymer of2.2. a monomer mixture, polymerized onto2.1. a diene rubber with a glass transition temperature below -30.degree. C., of2.2.1. 95 to 50% by wt. of styrene, methyl methacrylate or a mixture thereof; and2.2.2. 50 to 5% by wt. of acrylonitrile, methacrylonitrile or a mixture thereof, the ratio by wt. of rubber (2.1) to monomer mixture (2.2.) being in the range of from 80:20 and 10:90, and the moulding composition containing from 5 to 35% by wt. of the rubber (2.1.), and(3.) 5 to 75 parts by wt. of a copolymer which is chemically uniform in structure and which comprises:(3.1.) 93 to 50 parts by wt. of styrene, methyl methacrylate or a mixture thereof;(3.2.) 40 to 5 parts by weight of acrylonitrile, methacrylonitrile or a mixture thereof; and(3.3.) 2 to 30 parts by wt. of maleic acid anhydride.
    • 一种热塑性模塑组合物,其包含:(1)80〜20重量份 的基于二羟基二芳基烷烃的热塑性聚碳酸酯,(2.)20至80重量份。 的2.2的接枝聚合物。 单体混合物,聚合到2.1上。 二烯橡胶,玻璃化转变温度低于-30℃,为2.2.1。 95〜50重量% 的苯乙烯,甲基丙烯酸甲酯或其混合物; 和2.2.2。 50〜5重量% 丙烯腈,甲基丙烯腈或其混合物,重量比。 的橡胶(2.1)与单体混合物(2.2。)的摩尔比为80:20和10:90,模塑组合物含有5-35重量% 的橡胶(2.1。)和(3.)5〜75重量份。 的共聚物,其结构化学均匀,并且包括:(3.1。)93至50重量份。 的苯乙烯,甲基丙烯酸甲酯或其混合物; (3.2。)40-5份(重量)丙烯腈,甲基丙烯腈或其混合物; 和(3.3。)2〜30重量份。 的马来酸酐。
    • 9. 发明授权
    • Process for producing ABS moulding compositions having a high rubber content
    • 具有高橡胶含量的ABS模塑组合物的制造方法
    • US06482897B1
    • 2002-11-19
    • US08907202
    • 1997-08-06
    • Richard WeiderGisbert MichelsFrank Wingler
    • Richard WeiderGisbert MichelsFrank Wingler
    • C08F27904
    • C08F279/04
    • A process for producing impact-resistant moulding compositions, which is characterised in that a monomer mixture comprising 90 to 20 parts by weight of an aromatic monoalkenyl compound, 10 to 50 parts by weight of an ethylenically unsaturated nitrile, 0 to 30 parts by weight of other copolymerisable compounds is polymerised by a radical mechanism in the presence of 15 to 50 parts by weight, per 100 parts by weight of monomers, of a soluble, gel-free butadiene polymer, and in the presence of 50 to 200 parts by weight, per 100 parts by weight of monomers, of a solvent, wherein the solvent is selected from the group comprising an aliphatic (C1-C8) or cycloaliphatic alcohol, ketone, ether, ester, nitrile (A) or mixtures thereof or a mixture of (A) with an aliphatic (C4-C10), cycloaliphatic or aromatic hydrocarbon (B) in an A:B weight ratio of 100:0 to 30:70, and the polymerisation is conducted as far as a polymer content of the total mixture of 30 to 70% by weight, with thorough mixing and optionally with the subsequent addition of a regulator and initiator, so that the isolated thermoplastic moulding composition contains 20 to 40% by weight of butadiene polymer.
    • 一种耐冲击成型组合物的制造方法,其特征在于,含有90〜20重量份芳香族单链烯基化合物,10〜50重量份烯属不饱和腈,0〜30重量份其它 可共聚合的化合物通过自由基机理在每100重量份单体,每100重量份单体,可溶性,无凝胶的丁二烯聚合物存在下共聚合15至50重量份,并且在50至200重量份的存在下,每100份 单体重量的溶剂,其中溶剂选自脂族(C1-C8)或脂环族醇,酮,醚,酯,腈(A)或其混合物或(A)与 脂族(C 4 -C 10),脂环族或芳族烃(B),其A:B重量比为100:0至30:70,并进行聚合,只要总混合物的聚合物含量为30-70% 重量,充分混合和选择 随后加入调节剂和引发剂,使得分离的热塑性模塑组合物含有20至40重量%的丁二烯聚合物。