Accession Number : ADB046094

Title :   Development of PBBI Laminating Resin.

Descriptive Note : Final rept. 1 Aug 77-1 Aug 79,

Corporate Author : TRW DEFENSE SYSTEMS GROUP REDONDO BEACH CA

Personal Author(s) : Vaughan, R. W. ; Buyny, R. A.

Report Date : NOV 1979

Pagination or Media Count : 181

Abstract : PBBI resin formulary studies were performed in order to increase resin toughness and to decrease resin shrinkage while maintaining improved moisture resistance over state of the art, 177 C (350 F) service epoxy resins. The most promising approach was identified to be controlling the chain extension of the polybutadiene prepolymers to relatively high molecular weight. Prepreg tape was prepared from a PBBI resin using conventional hot-melt coating production equipment. Composite panels were molded from the PBBI/Celion 6000 prepreg by both vacuum bag and autoclave molding processes. (Author)

Descriptors :   *COMPOSITE STRUCTURES, *POLYMERS, *LAMINATES, *MOLDING TECHNIQUES, PANELS, BAGS, MECHANICAL PROPERTIES, FORMULATIONS(CHEMISTRY), AUTOCLAVES, POLYBUTADIENE, VACUUM, SHRINKAGE, MOLECULAR WEIGHT, CURING, CASE STUDIES, EPOXY RESINS, TOUGHNESS, MOISTURE, PROCESSING, CLASSIFICATION, MANUFACTURING, DRAWING(FORMING).

Subject Categories : Laminates and Composite Materials
      Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE