B stageable high service temperature epoxy thermosets

Details B stageable high service temperature epoxy thermosets B stageable high service temperature epoxy thermosets

1987-12-28

1989-03-21

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525531, C08G 5906, C08G 5918

Patent

active

048143987

ABSTRACT:
A B stageable thermosettable composition containing at least one polyepoxide and at least one linear anhydride monomer capable of forming a cyclopolymer in situ and processes for the formation of the B stage intermediate and final thermoset having a high service temperature is provided. The composition is useful in a two stage process; first to form a storage stable, flowable thermoplastic B stage intermediate by the free radical initiated vinyl polymerization of the linear anhydride in the liquid composition to a cyclic polymer and secondly to react the cyclic polymer with the poly epoxide to form a crosslinked high service temperature thermoset useful in the preparation of laminates, such as printed circuit boards, adhesives and encapsulants.

REFERENCES:
patent: 3676398 (1972-07-01), D'Alelio
patent: 3732332 (1973-05-01), Curtis, Jr. et al.
patent: 3770602 (1973-11-01), D'Alelio
D'Alelio, "Esters of Polyepoxides with Polymerizing and Crosslinking Properties," Chemical Abstracts, vol. 81, No. 16, abstract No. 923776, 1974.
Nishibuko et al., "Hardenable Epoxy Compositions," Chemical Abstract, vol. 82, No. 18, abstracts No. 1133446, 1975.
D'Alelio, "Esters of Polyepoxides with Polymerizing and Crosslinking Properties," Chemical Abstracts, vol. 85, No. 18, abstract No. 124996d, 1976.

Affiliated with

Also associated with

Rating

B stageable high service temperature epoxy thermosets does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with B stageable high service temperature epoxy thermosets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and B stageable high service temperature epoxy thermosets will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-477594