Transparent composite plate system

Details Transparent composite plate system Transparent composite plate system

1994-01-24

1996-06-04

Sweet, Mark D.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428522, 428523, B32B 2708

Patent

active

055231683

ABSTRACT:
The invention relates to transparent composite plate systems of a) at least two acrylic glass exterior plates S, S' with a thickness of at least 2 mm and parallel surfaces, and b) an intermediate layer Z containing a thermoplastically processable elastomer E, whereby the elastomer E contains from 60-100% by weight of a comb polymer KP, which itself contains from 50 to 5% by weight of at least one polymethyl methacrylate macromonomer of Formula I ##STR1## and from 95 to 50% by weight of alkyl acrylates of Formula II ##STR2## wherein R and R.sub.4 are defined in the claims.

REFERENCES:
patent: 5028677 (1991-07-01), Janowicz
patent: 5053461 (1991-10-01), Tone et al.
patent: 5155172 (1992-10-01), Siol et al.
Handbook of Composites, Sandwich Construction, A. Marshall, Van Nostrand Reinhold Company (no mo/y).
Chemical Abstracts, vol. 105, No. 18, Nov. 3, 1986, AN 154387e and JP-A-61-132 343, Jun. 19, 1986.
Chem. Abstract, vol. 105, 105: 154387e, 1986.

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