Internal gel coat styrene suppression low profile additive for u

Details Internal gel coat styrene suppression low profile additive for u Internal gel coat styrene suppression low profile additive for u

1998-06-12

1999-09-07

Mosley, Terressa

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

Synthetic resins

From carboxylic acid or derivative thereof

528272, C08G 6300

Patent

active

059488778

ABSTRACT:
Additives have been developed that reduce the emission of volatile monomers, e.g. styrene in unsaturated polyester resin system as well as producing a hard, weather resistant gel coat at the surface. Upon reaction, the polymeric additive comes to the surface and reacts with air to form a hard, mar resistance film. The film also has some reactive double bond that will react with the unsaturated polyester portion. The result is a product that has reduced styrene emissions for static or sprayable unsaturated polyester resins, a hard and clean gel coated surface for low pressure architectural sheet application and a class A surface for Sheet Molded and Bulk Molded Parts. These additives exhibit excellent chemical and weathering properties as well as producing a hard mar resistant surface in peroxide or ultra-violet curable polyester systems.

REFERENCES:
patent: 5777065 (1998-07-01), Wah Ho

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