Process for preparing a prepeg comprising a resin derived from dialkenylbenzene and polyarylamine reactants

U.S. Patent Number: 5346769

Abstract: A solventless thermosettable composition comprising a dialkenylbenzene and an effective amount of an alkylbenzenesul fonic acid curina aqent exhibits reduced tendency to gel during cure with the addition of a polyarylamine. The cured material, which is particularly useful in electrical/electronic applications, exhibits low dielectric constant and good fracture toughness.

Inventors: Corley; Larry S. (Houston, TX)

Assignee: Shell Oil Company (Houston, TX)

Application Number: 08/071,426

Issued: 1994-09-13

Expired: 2006-09-13

Classes: 428/426 ; 428/411.1; 428/441; 526/217; 526/336; 528/392

Field of search: 428/426,441,411.1 528/392 526/217,336

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