Hardeners for epoxy resins

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

5251115, 525113, C08G 6926

Patent

active

045699712

ABSTRACT:
Novel hardener compositions for epoxy resins comprising (a) 65 to 95% by weight of an adduct containing free amino groups of 35 to 94% by weight of at least one member of the group consisting of polyamines, polyaminoimidazolines and polyaminoamides and 5 to 30% by weight of at least one glycidyl compound, based on the total hardener composition weight, (b) 0.1 to 5% by weight at least one aliphatic or aromatic carboxylic acid and (c) 0.9 to 30% by weight of a phenol-modified aromatic hydrocarbon resin with a hydroxyl content of 0.9 to 6% and their preparation, water-emulsifable epoxy compositions containing said hardener compositions, aqueous emulsions of said epoxy resins, water compositions containing said aqueous epoxy emulsions and their uses.

REFERENCES:
patent: 3280215 (1966-10-01), Severance et al.
patent: 3316187 (1967-04-01), Grosner et al.

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

Hardeners for epoxy resins does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-1206155

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