Cast polyester resin process and product

Details Cast polyester resin process and product Cast polyester resin process and product

1983-05-09

1984-09-25

Thurlow, Jeffery

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523171, 523313, 523319, 523340, 523514, 264 71, 264 72, 264 73, 264102, 366239, C08F 846, C08J 320

Patent

active

044736738

ABSTRACT:
A pretreatment process to remove entrapped air from liquid polyester blends intended as the matrix of cast marble is disclosed. The formulated blend is subjected to a simultaneous evacuating, vibrating and shearing step which is critical within broad parameters. The thus treated blend, after casting, will be non-porous in cross section, thereby making it suitable for countertops and other parts which must be field cut to specifications.

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