Epoxy curing agents

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

528 93, 528 94, C08G 5914, C08L 6300

Patent

active

052350070

ABSTRACT:
An epoxy resin composition comprises the cured reaction product of an epoxy base resin and a curing agent mixture. The curing agent mixture comprises a di-primary amine and a carbamate which is the reaction product of the amine and a cyclic carbonate. The amine has a molecular weight of 60 to 400. Ethylene carbonate and propylene carbonate are the preferred carbonates. The preferred curative comprises a 1:1 to 2:1 molar amine:carbamate mixture.

REFERENCES:
patent: 3236895 (1966-02-01), Lee et al.
patent: 4122069 (1978-10-01), Meyer
patent: 4484994 (1984-11-01), Jacobs, III et al.
patent: 4528345 (1985-07-01), Waddill
patent: 4543376 (1956-09-01), Schupp et al.
patent: 4720569 (1988-01-01), Tominaga
patent: 4775736 (1988-10-01), Wiggins
patent: 4782124 (1988-11-01), Hefner, Jr. et al.
patent: 4897435 (1990-01-01), Jacobs, III et al.
patent: 4935413 (1990-06-01), Urano et al.
patent: 4977203 (1990-12-01), Kitabatake
Lee & Neville "Epoxy Resins" pp. 41-44 McGraw Hill Book Co., Inc., 1957.
G. Rokicki, R. Lazinski, Die Angewandte Makromolekulare, Chemie 190 (1989) pp. 211-225.
Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd. Ed., vol. 8, Diuretics to Emulsions-John Wiley & Sons.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Epoxy curing agents does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Epoxy curing agents, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Epoxy curing agents will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1726102

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.