Patent ID: 8003720

Claim:
A plastic composition adapted for inhibiting the formation of plate-out, said composition comprising (a) at least one polyolefin resin, (b) at least one diacetal represented by formula (I) wherein R is selected from the group consisting of: hydrogen atom, alkenyls, alkyls, alkoxys, hydroxyl alkyls, and alkyl halides, and derivatives thereof; R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 are independently selected from the group consisting of: a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an alkoxycarbonyl group having 1 to 4 carbons, a halogen atom, an hydroxy group, an alkylthio group having 1 to 6 atoms, an alkylsulfoxy group having 1 to 6 carbon atoms, and a 4 or 5 membered alkyl group forming a carbocyclic ring with adjacent carbon atoms of the unsaturated parent ring; n represents 0 or 1; (c) a co-additive of ethylene oxide homopolymer with a molecular weight from 200 to 3000, said co-additive being provided in a loading level not to exceed about 5000 parts per million.