公开(公告)号：US5618876A

公开(公告)日：1997-04-08

申请号：US462253

申请日：1995-06-05

Applicant: Rajeev Farwaha ,  William D. Currie ,  Robert W. R. Humphreys ,  John S. Thomaides

Inventor： Rajeev Farwaha ,  William D. Currie ,  Robert W. R. Humphreys ,  John S. Thomaides

IPC: C08F220/12 ,  C08F220/30 ,  C09D133/06 ,  C08L37/00

CPC classification number: C08F220/12 ,  C08F220/30 ,  C09D133/062

Abstract: Latex binders are disclosed which are used to prepare freeze-thaw-stable latex coating compositions which may be free of volatile freeze-thaw/open-time additives. The latex binders are prepared by combining a polymer which is the polymerization product of a polymerizable saccharide monomer, an acrylic monomer and, optionally, a monomer selected from styrenic monomers, ionic monomer and wet adhesion monomers. The latex coating compositions are freeze-thaw stable, even in the total absence of a volatile freeze-thaw additive, and exhibit improved open-time when compared to a latex coating composition which does not contain a volatile freeze-thaw additive. Methods for preparing the freeze-thaw-stable latex coating compositions are also disclosed.

Abstract translation: 公开了乳胶粘合剂，其用于制备可以不含挥发性冻融/开放时间添加剂的冻融稳定的胶乳涂料组合物。 胶乳粘合剂是通过将作为可聚合糖单体，丙烯酸单体和任选的选自苯乙烯单体，离子单体和湿粘合单体的单体的聚合产物的聚合物组合而制备的。 即使在完全不存在挥发性冻融添加剂的情况下，胶乳涂料组合物是冻融稳定的，并且与不含挥发性冻融添加剂的胶乳涂料组合物相比，其表现出改善的开放时间。 还公开了制备冻融稳定乳胶涂料组合物的方法。

公开(公告)号：US5563252A

公开(公告)日：1996-10-08

申请号：US461478

申请日：1995-06-05

Applicant: John S. Thomaides ,  James Burkert ,  Rajeev Farwaha ,  Robert W. R. Humphreys ,  Paul M. Petersen

Inventor： John S. Thomaides ,  James Burkert ,  Rajeev Farwaha ,  Robert W. R. Humphreys ,  Paul M. Petersen

IPC: C07H15/04 ,  C08F12/26 ,  C07H1/00 ,  C07H5/06

CPC classification number: C07H15/04 ,  C08F12/26

Abstract: Polymerizable, saccharide-derived monomers are prepared in processes which utilize water as the reaction solvent and which preferably do not utilize a cosolvent. The saccharide monomers are prepared from a saccharide unit, an amine selected from the group consisting of R.sup.3 NH.sub.2, where R.sup.3 is selected from the group consisting of a C.sub.1 -C.sub.18 alkyl group, H or NH.sub.2, and a single, polymerizable, .alpha.-methyl styryl moiety. The saccharide monomers are useful in preparing polymers for use in freeze-thaw stable aqueous-based compositions which do not require conventional freeze-thaw solvents and colorimetrically detectable polymers which are used in treating aqueous systems.

Abstract translation: 可聚合的糖衍生的单体在利用水作为反应溶剂并且优选不使用助溶剂的方法中制备。 糖单体由糖单元，选自R3NH2的胺制备，其中R3选自C1-C18烷基，H或NH2，以及单个可聚合的α-甲基苯乙烯基 部分。 糖单体可用于制备用于冻融稳定水性组合物的聚合物，其不需要常规的冻融溶剂和用于处理含水体系的比色测定聚合物。

公开(公告)号：US5399617A

公开(公告)日：1995-03-21

申请号：US207579

申请日：1994-03-07

Applicant: Rajeev Farwaha ,  William Currie

Inventor： Rajeev Farwaha ,  William Currie

IPC: C08F2/24 ,  C09D5/02 ,  C09D125/02 ,  C09D133/06 ,  C08L55/00

CPC classification number: C09D125/02 ,  C08F2/24 ,  C09D133/06 ,  C09D5/027

Abstract: Copolymerizable amphoteric surfactants of the structural formula ##STR1## in which R.sub.1 =C.sub.1 -C.sub.2 alkyl, R.sub.2 =C.sub.1 -C.sub.2 alkyl, X.sup.- =SO.sub.3.sup.- or COO.sup.-, a=2-3, and b=1-6, are polymerized into copolymer latexes for use in paint formulations, in an amount of 1-3 parts per hundred parts by weight of monomers used to form the copolymer, to impart superior wet adhesion and freeze-thaw stability to the latex paints. The copolymer latexes contain no more than one part by weight carboxylic acid functionality per hundred part monomers. The monomers with which the amphoteric surfactants are copolymerized are selected from alkyl esters of acrylic and methacrylic acid, acrylic and methacrylic acid, styrene and mixtures thereof.

Abstract translation: 其中R1 = C1-C2烷基，R2 = C1-C2烷基，X = SO3-或COO-，a = 2-3和b = 1-6的结构式为“IMAGE”的可共聚两性表面活性剂被聚合 用于涂料配方中的共聚物胶乳，其用量为每100重量份用于形成共聚物的单体1-3份，以赋予乳胶漆更优异的湿粘合性和冻融稳定性。 共聚物胶乳每百份单体含有不超过一份重量的羧酸官能度。 两性表面活性剂共聚的单体选自丙烯酸和甲基丙烯酸的烷基酯，丙烯酸和甲基丙烯酸，苯乙烯及其混合物。

公开(公告)号：US5240982A

公开(公告)日：1993-08-31

申请号：US746844

申请日：1991-08-19

Applicant: Rajeev Farwaha ,  William Currie

Inventor： Rajeev Farwaha ,  William Currie

IPC: C08F2/24 ,  C09D5/02 ,  C09D125/02 ,  C09D133/06

CPC classification number: C09D125/02 ,  C08F2/24 ,  C09D133/06 ,  C09D5/027

Abstract: Amphoteric surfactants and copolymerizable amphoteric surfactants for use in latex paints are presented. These surfactants, which contain positively charged nitrogen, are incorporated into the paint formulations at low levels and impart superior wet adhesion and freeze-thaw stability.

Abstract translation: 提出了用于乳胶漆的两性表面活性剂和可共聚两性表面活性剂。 这些含有带正电荷的氮的表面活性剂以低水平掺入涂料配方中并赋予优异的湿粘附性和冻融稳定性。