Patent · US Active

Thermosetting epoxy resin composition having low curing temperature and good storage stability

US11891507B2 · kind B2 · utility

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14Claims
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Assignee

Inventors

Key dates

Filing dateDec 23, 2019
Grant dateFeb 6, 2024
Priority date
Expiry dateDec 23, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09J2463/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A thermosetting epoxy resin composition including, as curing agent, a dihydrazide selected from the group consisting of glutaric dihydrazide, adipic dihydrazide and pimelic dihydrazide, in combination with a specific urea accelerator, which features good storage stability and a low curing temperature. The epoxy resin composition is especially suitable for use as bodywork adhesive.

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