Dow Global Technologies LLC ;Rohm and Haas Company
发明人:
Evans Ann E.,Finch William C.,Janco Miroslav,Mulik Sudhir M.,Perello Margarita,Schmitz Marc
申请号：
US201615770980
公开号：
US2018327310(A1)
申请日:
2016.10.24
申请国别(地区):
美国
年份:
2018
代理人:
摘要：
The present invention provides two-component compositions for making a waterproofing membrane comprising as component A) one or more acrylic aqueous emulsion copolymerization product (copolymer) of (i) from 60 to 89.9 wt. % of one or more nonionic (meth)acrylic monomers, preferably, butyl acrylate, methyl acrylate or ethylhexyl (meth)acrylate, (ii) from 10 to 40 wt. % of one or more vinyl aromatic monomers, (iii) from 0.1 to 2.0 wt. % of one or more amide functional acrylic monomer, and mixtures thereof with itaconic acid or methacrylic acid, wherein the emulsion copolymer has at least one residue of an ascorbic acid reducing agent and of t-butyl hydroperoxide and has less than 40 ppm or, preferably, less than 20 ppm, or more preferably, less than 10 ppm, of residual (meth)acrylamide.
