Polyester resin compositions for calendering
First Claim
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1. A polyester resin composition for calendering comprising (a) a polyester having a crystallization half time from a molten state of at least 5 minutes and (b) an additive for preventing sticking of the polyester to calendering rolls.
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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.
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Citations
32 Claims
- 1. A polyester resin composition for calendering comprising (a) a polyester having a crystallization half time from a molten state of at least 5 minutes and (b) an additive for preventing sticking of the polyester to calendering rolls.
- 10. A process for preparing a film or a sheet comprising the step of calendering a polyester resin composition comprising (a) a polyester having a crystallization half time from a molten state of at least 5 minutes and (b) an additive for preventing sticking of the polyester to calendering rolls.
- 24. A film or sheet made by a process comprising the step of calendering a polyester resin composition comprising (a) a polyester having a crystallization half time from a molten state of at least 5 minutes and (b) an additive for preventing sticking of the polyester to calendering rolls.
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