公开(公告)号：US10092004B2

公开(公告)日：2018-10-09

申请号：US15272950

申请日：2016-09-22

申请人： Celanese International Corporation

发明人： Narayan K. Raman ,  Hannah E. Toomey ,  Kristin Herrel ,  Tatiana Craft ,  James Martin ,  Erika Pedraza

IPC分类号： A01N57/20 ,  A01N25/30 ,  A01N25/06

摘要： An agricultural spray pre-mix composition, comprising from 0.01 wt % to 40 wt % of an agricultural spray adjuvant comprising a vinyl ester-based or vinyl acrylate-based polymer dispersion and greater than 15 wt % of a plasticizer and from 1 wt % to 50 wt % of a water conditioning agent.

公开(公告)号：US20180338495A1

公开(公告)日：2018-11-29

申请号：US16046498

申请日：2018-07-26

申请人： Celanese International Corporation

发明人： Narayan K. Raman ,  Hannah E. Toomey ,  Kristin Herrel ,  Tatiana Craft ,  James Martin ,  Erika Pedraza

IPC分类号： A01N57/20 ,  A01N25/30 ,  A01N25/06 ,  A01N27/00 ,  A01N37/40 ,  A01N39/04 ,  A01N43/40 ,  A01N43/50 ,  A01N43/64 ,  A01N47/14 ,  A01N47/22 ,  A01N47/24 ,  A01N47/36 ,  A01N47/38 ,  A01N57/16

摘要： An agricultural spray pre-mix composition, comprising from 0.01 wt % to 40 wt % of an agricultural spray adjuvant comprising a vinyl ester-based or vinyl acrylate-based polymer dispersion and greater than 15 wt % of a plasticizer and from 1 wt % to 50 wt % of a water conditioning agent.

公开(公告)号：US12071496B2

公开(公告)日：2024-08-27

申请号：US17435129

申请日：2020-02-27

申请人： CELANESE INTERNATIONAL CORPORATION

发明人： Kerstin Wenzel ,  Narayan Raman ,  Tsz Ming Tsang ,  James Martin

IPC分类号： C08F210/02 ,  C08F2/00 ,  C08F2/20 ,  C08F2/26 ,  C08F2/30 ,  C08F218/08 ,  C08F220/18 ,  C09D5/02 ,  C09D7/65

CPC分类号： C08F220/1804 ,  C08F2/001 ,  C08F2/20 ,  C08F2/26 ,  C08F2/30 ,  C08F210/02 ,  C08F218/08 ,  C09D5/022 ,  C09D7/65

摘要： An aqueous copolymer dispersion is obtained by a multi-stage emulsion polymerization process comprising polymerizing in a reaction zone in a first polymerization stage a first monomer composition comprising at least 88 wt % of a vinyl ester of a C1 to C18 carboxylic acid and up to 12 wt % ethylene to produce a first stage polymer having Tg>20° C.; and polymerizing in the reaction zone, in a second polymerization stage and in the presence of the first stage polymer, a second monomer composition comprising a vinyl ester of a C1 to C18 carboxylic acid and a C2 to C8 alkyl ester of (meth)acrylic acid to produce a second stage polymer having Tg≤20° C. Each of the polymerization stages is conducted in the presence of a stabilizing system comprising at least 0.1 wt % of a protective colloid and at least 0.05 wt % of an ionic surfactant.