| 摘要 |
<p>Polymeric flow modifiers having a weight average molecular weight of between 4,000 to 450,000 consisting essentially of polymerized monomers on a weight basis as follows: 40 to 96 % C1 or C2 alkyl acrylate or mixtures thereof; 4 to 12 % acrylic acid; and 0 to 48 % copolymerized acrylic acid ester monomer.</p> |
