High-hardness transparent polyester moldings

Details High-hardness transparent polyester moldings High-hardness transparent polyester moldings

1994-07-25

1996-05-21

Sluby, P. C.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428480, 428483, 428918, B29D 2200, B32B 2706

Patent

active

055187919

ABSTRACT:
A molding having a high transparency and a surface hardness of B or higher in terms of pencil hardness, is provided by blow molding process employing no orientation step. A high-hardness transparent polyester molding, obtained by quenching and carrying out non-orientation blow molding of a polyester resin or a composition thereof in a molten state, and subsequent crystallization thereof in a specific temperature range.

REFERENCES:
patent: 4261473 (1981-04-01), Yamada et al.
patent: 5258230 (1993-11-01), LaFleur

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