Low profile additives in polyester systems

Details Low profile additives in polyester systems Low profile additives in polyester systems

1976-03-11

1977-07-26

Bleutge, John C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 40R, 260 4218, 260 4253, 260873, 526 15, C08L 6706

Patent

active

040383423

ABSTRACT:
Polymerizable polyester compositions are provided containing a styrene-maleic anhydride copolymer reacted with a hydroxyl terminated saturated polyester. Such compositions have good thickening response and are free from tackiness in the uncured state, and upon curing have good shrinkage control and improved surface smoothness. The compositions are useful as bulk molding compounds or sheet molding compounds.

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