Laminated safety glass prepared from buffered acetal

Details Laminated safety glass prepared from buffered acetal Laminated safety glass prepared from buffered acetal

1975-08-13

1977-05-31

Robinson, Ellis

Stock material or miscellaneous articles

Composite

Of quartz or glass

260 296H, 260 73L, 428524, B32B 1710, B32B 2742

Patent

active

040270696

ABSTRACT:
Disclosed herein is a laminated safety glass prepared from a buffered polyvinyl acetal sheet. The sheet contains a pH buffer having an aqueous solution pH in the range of from 3 to 7 which stabilizes the sheet against viscosity degradation.

REFERENCES:
patent: 2396556 (1946-03-01), Cox
patent: 2456462 (1948-12-01), Stamatoff
patent: 3249489 (1966-05-01), Lavin
patent: 3262836 (1966-07-01), Lavin
patent: 3271235 (1966-09-01), Lavin
patent: 3402099 (1968-09-01), Christensen
patent: 3434915 (1969-03-01), Garrison
patent: 3468749 (1969-09-01), Mattimoe
patent: 3652379 (1972-03-01), White
patent: 3781184 (1973-12-01), Domicone
patent: 3810769 (1974-05-01), Blacker

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