公开(公告)号：WO1990015826A1

公开(公告)日：1990-12-27

申请号：PCT/US1990003308

申请日：1990-06-11

Applicant: WEYERHAEUSER COMPANY

Inventor： WEYERHAEUSER COMPANY ,  HILL, Gregory ,  REILLY, Eugene, P.

IPC: C08F02/54

CPC classification number: B32B27/12 ,  B32B2307/73 ,  C08F220/04

Abstract: A hydrocolloid polymer exhibiting improved sorption of deionized water and aqueous one weight percent sodium chloride solutions is described as are sorption products using the same. The hyrocolloid polymer consists essentially of (a) about 60 to about 90 mole percent polymerized alpha, beta-monoethylenically unsaturated monocarboxy monomer containing a three carbon atom chain, (b) about 10 to about 40 mole percent polymerized 2-acrylamido-2-methylpropanesulfonic acid, (c) zero to about 20 mole percent polymerized co-polymerizable water-soluble monoethylenically unsaturated monomer, and (d) zero to about 3 mole percent of a copolymerizable water-soluble polyethylenically unsaturated cross-linking agent. One gram of the hydrocolloid polymer, when dry and in free acid form, sorbs about 15 to about 100 percent more of a one weight percent sodium chloride aqueous solution than does a similarly prepared polymer containing identical amounts of all of the ethylenically unsaturated components except for the above sulfonic acid monomer, and includes acrylic acid in place of that sulfonic acid monomer.

Abstract translation: 描述了改进的去离子水和1重量％氯化钠水溶液的吸附性的水胶体聚合物是使用其的吸附产物。 所述共聚胶体聚合物基本上由（a）约60至约90摩尔％的含有三个碳原子链的聚合的α，β-单烯属不饱和单羧酸单体，（b）约10至约40摩尔％聚合的2-丙烯酰胺基-2-甲基丙磺酸 酸，（c）0至约20摩尔％聚合的可共聚的水溶性单烯属不饱和单体，和（d）0至约3摩尔％的可共聚的水溶性多烯属不饱和交联剂。 一克水胶体聚合物当干燥和游离酸形式时，比含有相同量的所有烯属不饱和组分的类似制备的聚合物吸附约15至约100重量％的1重量％氯化钠水溶液，除了 上述磺酸单体，并且包括丙烯酸代替该磺酸单体。