Microcapsule-type curing agent, method for producing the same, t

Details Microcapsule-type curing agent, method for producing the same, t Microcapsule-type curing agent, method for producing the same, t

1997-04-07

1998-03-10

Gulakowski, Randy

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523205, 523440, 525423, 525523, 525528, 525936, C08K 910

Patent

active

057262225

ABSTRACT:
Disclosed is a microcapsule-type curing agent comprising (A) a curing agent for a thermosetting resin and (B) a thermoplastic resin dissolvable to the thermosetting resin by heating. The microcapsule-type curing agent is formed as a particle-like material in which the component (A) is coated with a layer whose main constituent is the component (B) and the mean particle diameter of which is in the range of 0.1 to 20 .mu.m. By using the microcapsule-type curing agent, a thermosetting resin composition and a prepreg which are good in storage stability at a room temperature and excellent in thermal resistance of a cured product made therefrom can be obtained. Further, a fiber reinforced composite material obtained using this thermosetting resin composition is excellent in curing uniformity and thermal resistance.

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patent: 4808639 (1989-02-01), Chernack
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patent: 5135960 (1992-08-01), Higuchi et al.
patent: 5302456 (1994-04-01), Matsui
patent: 5357008 (1994-10-01), Tsai et al.
patent: 5371152 (1994-12-01), Hoyano et al.

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