公开(公告)号：US5702828A

公开(公告)日：1997-12-30

申请号：US605615

申请日：1996-02-22

申请人： Klaus Adler ,  Erwin Gubisch ,  Alois Sommerauer

发明人： Klaus Adler ,  Erwin Gubisch ,  Alois Sommerauer

IPC分类号： C04B14/10 ,  C04B24/26 ,  C04B24/30 ,  C04B24/38 ,  C04B28/14 ,  C14C9/00

CPC分类号： C04B24/26 ,  C04B28/14 ,  C04B2111/27 ,  Y10T428/4935

摘要： The invention provides a process for water-proofing gypsum materials which comprises adding, to a pulverulent gypsum plaster composition containing from 10 to 90% by weight of gypsum based on the total weight of the composition, a mixture of a) from 1.0 to 15% by weight, based on the total weight of the composition, of one or more dispersion powders redispersible in water and based on vinyl acetate copolymers with ethylene and/or vinyl esters of C.sub.5 -C.sub.15 -monocarboxylic acids, styrene copolymers with acrylic esters of alcohols having from 1 to 18 carbon atoms, vinyl chloride copolymers with ethylene and/or vinyl esters of C.sub.2 -C.sub.15 monocarboxylic acids, and b) from 0.05 to 5.0% by weight, based on the total weight of the composition, of one or more thixotropic additives from the group consisting of polyacrylic acids and their salts, smectites, bentonites, carboxymethylcelluloses and melamine-formaldehyde condensates.

摘要翻译： 本发明提供一种防水石膏材料的方法，该方法包括向基于组合物总重量的10至90重量％石膏的粉状石膏膏组合物中加入a）1.0至15重量％ 基于组合物的总重量，一种或多种可再分散在水中的分散粉末和基于乙酸乙烯酯共聚物与C5-C15-一元羧酸的乙烯和/或乙烯基酯的共聚物，与丙烯酸酯的醇的苯乙烯共聚物具有 1至18个碳原子，与C2-C15单羧酸的乙烯和/或乙烯基酯的氯乙烯共聚物和b）基于组合物总重量的0.05-5.0重量％的一种或多种触变添加剂 来自由聚丙烯酸及其盐，蒙皂石，膨润土，羧甲基纤维素和三聚氰胺 - 甲醛缩合物组成的组。

公开(公告)号：US4088625A

公开(公告)日：1978-05-09

申请号：US716106

申请日：1976-08-20

申请人： Erwin Gubisch ,  Walter Kudlich ,  Walter Popp ,  Herbert Reinicke

发明人： Erwin Gubisch ,  Walter Kudlich ,  Walter Popp ,  Herbert Reinicke

IPC分类号： C08L27/00 ,  C08J3/00 ,  C08J3/12 ,  C08K7/16 ,  C08L1/00 ,  C08L23/00 ,  C08L23/08 ,  C08L27/06 ,  C08L31/04 ,  C08L57/00 ,  C08L101/00

CPC分类号： C08L23/08 ,  C08J3/005 ,  C08J3/12 ,  C08J3/122 ,  C08L27/06 ,  C08L31/04 ,  C08J2323/08 ,  Y10S526/92 ,  Y10S526/922

摘要： A process for the production of a pulverulent, tricklable mixture of ethylene/vinyl acetate copolymer and polyvinylchloride comprising the steps of mixing a mixture consisting essentially of (a) an ethylene/vinyl acetate copolymer having an acetate content of from 15% to 75% by weight, (b) powdery polyvinylchloride, in a mixture ratio of (a) to (b) of 1:3 to 2:1, and (c) from 0 to 5% by weight of the mixture of additives customary for polymer processing, in a high-speed mixture at temperatures above the softening temperature of said polyvinylchloride and below 170.degree. C., for a time sufficient to effect homogenization, quenching said homogenized mixture with water and removing the water, grinding the quenched product with the addition of from 0.5 to 10 parts by weight of an inert powder having particles in the submicroscopic range, in a high speed mill under passage of an airstream which is heated by friction, and recovering said pulverulent, tricklable mixture; as well as the powdery mixture so produced.

摘要翻译： 一种制备乙烯/乙酸乙烯酯共聚物和聚氯乙烯的粉状，可混合的混合物的方法，包括以下步骤：将主要由（a）乙酸酯含量为15％至75％的乙烯/乙酸乙烯酯共聚物组成的混合物混合， 重量，（b）粉末状聚氯乙烯，（a） - （b）的混合比例为1:3至2:1，和（c）0-5重量％的常规用于聚合物加工的添加剂混合物， 在高于所述聚氯乙烯的软化温度和低于170℃的温度的高速混合物中，足以实现均化的时间，用水淬灭所述均质混合物并除去水，研磨骤冷产物，加入 0.5〜10重量份在亚微观范围内具有颗粒的惰性粉末，在通过摩擦加热的气流通过的高速磨机中，并回收所述粉状的可混合混合物; 以及如此生产的粉末混合物。