Process for production of styrene-based polymer moldings
First Claim
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1. A process for producing a styrene polymer molding which comprises heat treating a molding of a crystalline styrene polymer having mainly a syndiotactic configuration and having a crystallinity of more than 10% as determined by X-ray diffraction analysis, said heat treating being carried out at a temperature of 150°
- to 250°
C. for a period of time of 20 seconds to 90 minutes.
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Abstract
A process of producing a styrene polymer molding which comprises heat treating a molding of a crystalline styrene polymer having mainly a syndiotactic configuration and having a crystallinity of at least 10% as determined by X-ray diffraction analysis. The heat treating is carried out at a temperature of 150°to 250° C. for 20 seconds to 90 minutes.
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14 Claims
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1. A process for producing a styrene polymer molding which comprises heat treating a molding of a crystalline styrene polymer having mainly a syndiotactic configuration and having a crystallinity of more than 10% as determined by X-ray diffraction analysis, said heat treating being carried out at a temperature of 150°
- to 250°
C. for a period of time of 20 seconds to 90 minutes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- to 250°
Specification