Impact-resistant glass-polyesterurethane laminates

Details Impact-resistant glass-polyesterurethane laminates Impact-resistant glass-polyesterurethane laminates

1973-09-14

1977-03-01

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of polyamidoester

260 75NK, 260 75NT, 428425, 428426, B32B 2740, C08G 6312

Patent

active

040103110

ABSTRACT:
Laminated articles of at least one sheet of relatively rigid, transparent material, e.g., glass, and polyesterurethane sheet are described. Such laminates, e.g., a bilayer assembly of one glass sheet with an adhered sheet of polyesterurethane or a trilayer assembly of two glass sheets with an interlayer of polyesterurethane sheet, are useful in safety glass applications, e.g., automobile windshields, and automobile side and rear windows. The polyesterurethane is preferably the reaction product of a cycloaliphatic diisocyanate and a relatively low molecular weight hydroxy-terminated aliphatic polyester, e.g., the esterification product of an aliphatic dibasic acid and an aliphatic diol.

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patent: 2785150 (1957-03-01), Kreider et al.
patent: 2871218 (1959-01-01), Schollenberger
patent: 3373143 (1968-03-01), Chilvers et al.
patent: 3463758 (1969-08-01), Stewart
patent: 3620905 (1971-11-01), Ahramjian
patent: 3748315 (1973-07-01), Wooster et al.
patent: 3764457 (1973-10-01), Chang et al.
patent: 3808077 (1974-04-01), Rieser et al.
patent: 3823060 (1974-07-01), McClung
Ezrin, "Polymer Molecular Weight" A.C.S. Advances in Chemistry Series pp. 98-107, (1973).
N. V. Seeger et al. Chemigum SL: An Elastomeric Polyester-Urethane, Ind & Eng. Chem. (vol. 45, No. 11) pp. 25, 38-42, (1953).
F. E. Chritchfield et al., "Thermoplastic Urethane Elastomers," Rubber World, pp. 61-65, Aug. 1971.

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