Laminates having optically clear laminates having high molecular

Details Laminates having optically clear laminates having high molecular Laminates having optically clear laminates having high molecular

1982-02-02

1983-06-07

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428200, 428205, 428206, 428207, 428343, 428349, 428354, 428355, 428412, 4284231, 4284237, 428480, B32B 310, B32B 2708, B32B 2728

Patent

active

043871291

ABSTRACT:
An adhesive for bonding polyethylene terephthalate, polycarbonate and other transparent thermoplastic sheets to form optically clear laminants with improved bond strengths which remain intact over temperature exposures ranging from -40.degree. C. to 70.degree. C. and humidities ranging up to 90% at 40.degree. C. is provided. The adhesive is a combination of approximately 20% molecular weight phenoxy resin and approximately 80% molecular weight polyurethane resin.

REFERENCES:
patent: 3320090 (1967-05-01), Graubart
patent: 3440086 (1969-04-01), Kerns

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