Patent · US Expired

Polyacrylamide flow modifier-adsorber

US4425469A · kind A · utility

26Cited by
9References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 1980
Grant dateJan 10, 1984
Priority date
Expiry dateSep 8, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L33/26
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A water soluble, vinyl addition polymer of acrylamide comprising a hydrophobic terminal group is useful as an adsorbate and as a flow modifier in aqueous systems. The polymer is particularly useful as a thickening agent or rheology modifier for water based multiphase systems, a block improvement additive in water based coatings formulations, a stabilizer for aqueous emulsions (including polymer emulsions), a transfer aid in water based ink or roll coater formulations, a surfactant and a dispersant. The disclosure also comprises a solution polymerization method of preparing the polymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.