Polyolefin-acrylic bonded composites

Details Polyolefin-acrylic bonded composites Polyolefin-acrylic bonded composites

1992-12-22

1994-08-16

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of silicon containing

428451, 428520, 428522, B32B 1312

Patent

active

053386140

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 an aqueous 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.

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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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