Patent · US Active

N,N′-dimethyl secondary diamine polymer as epoxy resin curing agent

US8536284B2 · kind B2 · utility

0Cited by
14References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 2010
Grant dateSep 17, 2013
Priority date
Expiry dateJan 19, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31529
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention provides N,N′-dimethyl secondary diamine polymers including methylamine-terminated poly-(N-methylazetidine) and methylamine-terminated poly-(N-methylazacycloheptane). Amine compositions and amine-epoxy compositions comprising N,N′-dimethyl secondary diamine polymers are also disclosed.

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