Reinforced polypropylene compounds with improved properties

Details Reinforced polypropylene compounds with improved properties Reinforced polypropylene compounds with improved properties

Filed on

1992-10-30

Date issued

1994-04-05

Examiner

Morgan, Kriellion S.

Patent Class

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

SubClass

Synthetic resins

SubSubClass

Processes of preparing a desired or intentional composition...

Other Related Categories

524494, 524504, C08K 517, C08K 346

Type

Patent

Status

active

Patent number

053005473

Description

ABSTRACT:
Properties of articles made from either glass reinforced polypropylene or glass reinforced carboxylated polypropylene are improved by use of at least one amino-functional silane and at least one polyurethane film former in the sizing of the glass or added to the composition separately from the glass.

REFERENCES:
patent: 3437550 (1969-04-01), Paul, Jr.
patent: 4000111 (1976-12-01), Henman et al.
patent: 4082720 (1978-04-01), Henman et al.
patent: 4663369 (1987-05-01), Kawai et al.
patent: 4990557 (1991-02-01), Lee
CertainTeed Corporation, "Chopped Strand 930", sales brochure, 1985.
CertainTeed Corporation, "Chopped Strand 967", sales brochure, 1985.
CertainTeed Corporation, "Chopped Strand 993", sales brochure, 1985.
PPG Industries, Inc., "Type 3090 Chopped Strand", Bulletin F-179A, 1988.RTM..
PPG Industries, Inc., "Type 3540 Chopped Strand", Bulletin F175A.
PPG Industries, Inc., "Type 3541 Chopped Strand", Bulletin F-178A.
PPG Industries, Inc., "Type 3830 Chopped Strand", Bulletin F-177A.

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