Accession Number:

ADD014739

Title:

Bislactone Curing Agents for Epoxy Resins and Polymers Obtained Therefrom.

Descriptive Note:

Patent Application, Filed 29 Mar 90,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

• Sikes, Allison M.
• Brady, Robert F.

Report Date:

1990-03-29

Pagination or Media Count:

39.0

Abstract:

Bislactone curing agents are used to cure and copolymerize with epoxy-based resins. Preferably, the copolymerization is performed using a tertiary amine catalyst. During cure, the bislactone ring opens and expands. The use of bislactones as curing agents for epoxy-based resins avoids the shrinkage and accompanying stresses which occur when epoxy-based resins are cured conventionally. The novel bislactone cured epoxy-based polymers according the present invention are less prone to failure that are conventional epoxy-based polymers. In a further embodiment, the epoxy is copolymerized with a novel bislactone monomer having at least one trifluoromethyl group. The resulting fluorinated copolymer has a reduced surface energy.ttl

Descriptors:

• PATENT APPLICATIONS

Subject Categories:

• Plastics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE