Polyolefin-acrylic bonded composite

Details Polyolefin-acrylic bonded composite Polyolefin-acrylic bonded composite

1993-12-15

1995-03-28

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of silicon containing

428448, 428520, 428522, B32B 2730, B32B 2732

Patent

active

054015812

ABSTRACT:
A flame-retardant, reinforced polyolefin-crosslinked acrylic bonded composite and method of preparation thereof are provided. The method of preparing the composite includes coating the crosslinked acrylic surface with a solution of an .gamma.-aminopropyltrialkoxysilane to form a bond therewith. The coated acrylic layer is placed in a heated press with the flame-retardant, reinforced polyolefin layer, and a tie material disposed therebetween, thereby forming a composite. The composite is compressed to allow the amino functional group to bond with the maleated polyolefin. The polyolefin is thus bonded to the crosslinked acrylic surface.

REFERENCES:
patent: 4689085 (1987-08-01), Plueddemann
patent: 4718944 (1988-01-01), Plueddemann
patent: 4800125 (1989-01-01), Plueddemann
patent: 4849294 (1989-07-01), Plueddemann
patent: 5006573 (1991-04-01), Plueddemann
patent: 5049443 (1991-09-01), Kuszaj et al.
patent: 5073195 (1991-12-01), Cuthbert et al.
patent: 5089291 (1992-02-01), Hayama et al.
patent: 5089300 (1992-02-01), Plueddemann
patent: 5112682 (1992-05-01), Inouye et al.
patent: 5167706 (1992-12-01), Kuszaj et al.
Molesky, "The Use of Magnesium Hydroxide for Flame Retardant/Low Smoke Polypropylene," presented at Polyolefins VII International Conference, (Houston, Tex.), Feb. 24-27, 1991.

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