Stress crack reduction in polycarbonate parts

Details Stress crack reduction in polycarbonate parts Stress crack reduction in polycarbonate parts

1985-06-19

1987-02-03

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using direct contact with electrical or electromagnetic...

422 1, 422 34, 29458, 29521, A61L 208, A61L 220

Patent

active

046408193

ABSTRACT:
Stress cracking of polycarbonate parts during prolonged storage while assembled with plasticized polyvinyl tubing is greatly reduced by using tubing in which tri-2-ethylhexyl trimellitate is the predominant or sole primary plasticizer.

REFERENCES:
patent: 3940325 (1976-02-01), Hirao
patent: 4154892 (1979-05-01), Glatti et al.
patent: 4222379 (1980-09-01), Smith
patent: 4501928 (1985-02-01), Ishitobi
Modern Plastics Encyclopedia, 49, (1972), pp. 418-422, 463, 467.

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