Heat treatment of ultra high molecular weight polyethylene

Details Heat treatment of ultra high molecular weight polyethylene Heat treatment of ultra high molecular weight polyethylene

1999-04-30

2000-09-19

Boykin, Terressa M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

528176, 2641761, B28B 320, C08F 600

Patent

active

061214132

ABSTRACT:
The present invention provides a method for reducing the modulus of elasticity of a polymeric article, while at the same time maintaining its yield strength, crystallinity and elongation to rupture to be the same as the polymeric article prior to its heating and quenching treatment.

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ASTM Committee D-20 on Plastics (Designation D: 4020-96): "Standard Specification for Ultra-High Molecular-Weight Polyethylene Molding and Extrusion Materials", Annual Book of ASTM Standards, vol. 08.01, pp. 1-5, Pub. Sep. 1996.
ASTM Committee F-4 on Medical and Surgical Materials and Devices (Designation F:648-98): "Standard Specification for Ultra-High-Molecular-Weight Polyethylene Powder and Fabricated Form for Surgical Implants", 1994 Annual Book of ASTM Standards, vol. 08.01, pp. 1-6, Pub. Jun. 1998.

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