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US 6,551,699 B1Granted
Polyester resin compositions for calendering
AssigneeEastman Chemical Company
InventorPaul Mary Flynn
Life of this patent
Estimating the term…
Abstract
A polyester resin composition is calendered to produce a film or a sheet. The polyester resin composition is a polyester having a crystallization half time from a molten state of at least 5 minutes combined with an additive for preventing sticking of the polyester to calendering rolls.
Claims5
A calendered sheet made by a process comprising the step of calendering a polyester resin composition comprising (a) a polyester which comprises (i) a terephthalic acid residue component and (ii) a diol residue component comprising ethylene glycol and 1,4-cyclohexanedimethanol, and (b) a fatty ester.
Dependencies are inferred from the claim text.