Color stabilization of articles fabricated from nitrile polymers
Abstract
Abstract 1. A METHOD FOR INHIBITING COLOR CHANGE IN HOLLOW CONTAINERS BLOW MOLDED FROM A THERMOPLASTIC NITRILE RESIN COMPRISED OF (1) 60 TO 99 PERCENT BY WEIGHT OF AN ALPHA, BETA-OLFINICALLY UNSATURATED MONONITRILE HAVING THE STRUCTURE H2C=C(-R)-CN WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF A LOWER ALKYL GROUP HAVING TO 1 TO 4 CARBON ATOMS AND A HALOGEN AND (2) 1 TO 40 PERCENT BY WEIGHT OF AT LEAAST ONE OTHER OLEFINICALLY UNSATURATED MONOMER COPOLYMERIZABLE WITH THE MONONITRILE, WITH METHOD COMPRISES HUMIDIFYING THE NITRILE RESIN TO A MOSITURE CONTENT OF BETWEEN 0.2 TO 0.6% BY WEIGHT EXTRUDING THE HUMIDIFIED RESIN TO FORM A TUBULAR EXPANSIBLE PARSION AND THEN EXPANDING THE PARISON TO FORM THE HOLLOW ARTICLE.
Inventors
- 👤 D Adomaitis
Bibliographic Details
Claims Analysis
Total Claims: 2References Cited (Backward Citations)
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