Cross-linked polyvinyl butyral

Details Cross-linked polyvinyl butyral Cross-linked polyvinyl butyral

1986-11-24

1989-03-21

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C08F 800

Patent

active

048145297

ABSTRACT:
Polyvinyl butyral (PVB) resin lightly cross-linked through stable intermolecular linkages developed, for example, through use of a dialdehyde or trialdehyde, to selectively increase PVB molecular weight and the modulus of a plasticized sheet formed therefrom intended for use in laminated safety glass assemblies.

REFERENCES:
patent: 2487864 (1949-11-01), Gaylor
patent: 3153009 (1964-10-01), Rombach
patent: 3963618 (1976-06-01), Muir
patent: 4533697 (1985-08-01), Degeilh

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