公开(公告)号：US20150247029A1

公开(公告)日：2015-09-03

申请号：US14431454

申请日：2013-09-13

Applicant: ROHM AND HAAS COMPANY ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Linda Kim-Habermehl ,  Mark D. Westmeyer ,  Liang Chen ,  Liang Hong ,  Mladen Ladika

IPC: C08L31/04 ,  C04B28/04 ,  C04B28/06 ,  C08L25/08

CPC classification number: C08L31/04 ,  C04B28/04 ,  C04B28/06 ,  C04B40/0042 ,  C04B2111/00672 ,  C04B2111/70 ,  C08L23/0853 ,  C08L23/0869 ,  C08L25/08 ,  C04B2103/0057 ,  C04B24/2623 ,  C04B24/2676 ,  C04B14/06 ,  C04B22/10 ,  C04B22/143 ,  C04B24/06 ,  C04B24/383 ,  C04B2103/0065 ,  C04B40/0608

Abstract: A mixture of first and second redispersible polymer powders where the first redispersible polymer powder has a copolymer having a glass transition temperature of 60 degrees Celsius or higher and an acid level in a range of 0.1 to 8 weight-percent percent as determined by potentiometric titration according to ASTM D664 and the second redispersible polymer powder is selected from vinyl acetate ethylene copolymer redispersible polymer powders and polymer powders of a blend of vinyl acetate ethylene copolymer and vinyl ester of versatic acid copolymer is useful as a component in a dry-mix formulation that further contains Portland cement, alumina rich cement and calcium sulfate.

Abstract translation: 第一和第二可再分散聚合物粉末的混合物，其中第一可再分散聚合物粉末具有玻璃化转变温度为60摄氏度或更高的共聚物，并且通过电位滴定测定的酸度在0.1至8重量％的范围内， 根据ASTM D664，第二种可再分散聚合物粉末选自乙酸乙烯酯乙烯共聚物可再分散聚合物粉末，乙酸乙烯酯乙烯共聚物和叔碳酸共聚物的乙烯基酯共混物的聚合物粉末可用作干混配方中的组分，其进一步 含有波特兰水泥，富含氧化铝的水泥和硫酸钙。

公开(公告)号：US20150051312A1

公开(公告)日：2015-02-19

申请号：US14459364

申请日：2014-08-14

Applicant: Dow Global Technologies LLC

Inventor： Liang Chen ,  Chan Han ,  Dongkyu Kim ,  Michael J. Radler

IPC: C04B28/26

CPC classification number: C04B28/26 ,  C04B12/005 ,  C04B14/041 ,  C04B14/045 ,  C04B20/1033 ,  C04B24/24 ,  C04B24/281 ,  C04B26/00 ,  C04B28/006 ,  C04B40/00 ,  C04B40/065 ,  C04B2103/0057 ,  C04B2103/0058 ,  C04B2103/0065 ,  C08K3/34 ,  C08L33/06 ,  C08L63/00 ,  C08L63/10 ,  Y02P40/165 ,  C04B24/2641 ,  C04B14/106

Abstract: The present invention provides a two component geopolymer composition of wherein one component comprises a dry mix of an aluminosilicate, such as flyash, geopolymer precursor and one or more epoxy multilayer polymer particle redispersible polymer powder (RDP) having an epoxy resin core and an alkali soluble polymer shell, the epoxy resin having a calculated glass transition temperature (Tg) of from 7 to 45° C., and, wherein the other component, comprises one or more alkaline silicate geopolymer precursor, preferably in the form of an aqueous solution. The two-component compositions having from 1 to 20 wt. % of the RDP, based on solids, and provide greater formulation flexibility to make geopolymer compositions having improved tensile strength.

Abstract translation: 本发明提供了一种双组分地质聚合物组合物，其中一种组分包括铝硅酸盐如粉煤灰，地质聚合物前体和具有环氧树脂核心和碱溶性的一种或多种环氧多层聚合物颗粒可再分散聚合物粉末（RDP）的干混 聚合物壳，所述环氧树脂具有计算的玻璃化转变温度（Tg）为7至45℃，并且其中所述另一组分包含一种或多种碱性硅酸盐地质聚合物前体，优选为水溶液形式。 双组分组合物具有1至20wt。 ％的RDP，基于固体，并且提供更大的制剂柔性以使具有改善的拉伸强度的地质聚合物组合物。