Patent · US Expired

Imidized acrylic polymers and process for their preparation

US4968755A · kind A · utility

10Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 1988
Grant dateNov 6, 1990
Priority date
Expiry dateJan 13, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2800/20
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Imidized acrylic polymers obtained by means of the reaction of an acrylic resin in the molten state, with at least one modifying agent having the general formula: EQU R--X--NH--R' (I) wherein: PA1 R and R' are either equal to, or different from, each other and represent hydrogen or an alkyl, cycloalkyl; aryl or alkylaryl radical containing from 1 to 20 carbon atoms, and PA1 X is a bifunctional radical selected from the group consisting of: --CO--, --CONH--, --NHCO--, --OCO--, --SO.sub.2 --, --C.sub.6 H.sub.4 SO.sub.2 --.

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