The present invention relates to a composition comprising an aqueous solution of a) a hydrophobically modified alkylene oxide polymer comprising a hydrophobic portion functionalized with a protonated secondary or tertiary amine or a quaternary ammonium salt and b) an acid and a salt thereof, which acid is phosphoric acid, nitrilotris(methylene)triphosphonic acid, hydrochloric acid, or sulfuric acid. The composition of the present invention is useful for the preparation of an associative thickener that can be stored for long periods, in the absence of ancillary biocides, without spoilage from biodeteriogenic attack.
本发明涉及一种组合物,该组合物包含 a) 疏水性改性环氧亚烷基聚合物的水溶液,该聚合物包含用质子化仲胺或叔胺或季铵盐官能化的疏水部分;b) 酸及其盐,该酸为磷酸、亚硝基三(亚甲基)三膦酸、盐酸或硫酸。本发明的组合物可用于制备一种可长期储存的缔合增稠剂,在没有辅助杀菌剂的情况下,不会因生物杀菌作用而变质。
FLUOROPOLYMER BLEND AND ARTICLES THEREOF
申请人:3M Innovative Properties Company
公开号:EP2591051A2
公开(公告)日:2013-05-15
AMPHOTERIC POLYMER COMPOSITION
申请人:ROHM AND HAAS COMPANY
公开号:US20140194566A1
公开(公告)日:2014-07-10
The present invention relates to a composition comprising an amphoteric polymer having pendant acid groups, or salts thereof, and pendant mono- or dialkylamino ethylene oxide groups or alkylammonium ethylene oxide groups characterized by either of the following formulas:
where R
1
-R
3
and X
−
are as defined herein. The composition of the present invention improves hiding efficiency for coating compositions formulated using associative rheology modifiers, binders, and titanium dioxide.
EMBELIN-BASED DELIVERY SYSTEM FOR WATER-INSOLUBLE ACTIVE AGENTS
申请人:UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
公开号:US20150065443A1
公开(公告)日:2015-03-05
A composition having a structure of:
X-L-Y
wherein X comprises at least one embelin moiety;
L comprises a linker; and
Y comprises a hydrophilic moiety.
Also disclosed is a micelle that includes:
a core that includes at least one hydrophobic active agent and at least one embelin moiety; and
a hydrophilic zone surrounding the core and comprising at least one hydrophilic moiety.
The present invention relates to a composition comprising a mixture of a first and a second hydrophobically modified alkylene oxide polymer, wherein the first hydrophobically modified alkylene oxide polymer is endcapped with at least one first hydrophobic group functionalized with a secondary amine or a salt thereof, or a tertiary amine or a salt thereof;
and wherein the second hydrophobically modified alkylene oxide polymer is endcapped with at least one second hydrophobic group, structure I:
where R
1
, R
2
, m, and n are as defined herein. The present invention also relates to a method for preparing the composition. The composition of the present invention provides an associative thickener with an excellent balance of as-is viscosity and temperature stability over a wide temperature range.