Title:
安定化熱可塑性組成物、作製方法、およびそれから形成される物品
Document Type and Number:
Japanese Patent JP4814328
Kind Code:
B2
Abstract:
A thermoplastic composition comprises a polycarbonate, an ionizing radiation stabilizing additive, and a poly-substituted aromatic compound of formula: wherein X is an aryl group; Y is a non-hydrogen substituent group, a is 1 to 4, b is 0 to 4, a+b is less than or equal to 4, and c is 0 or 1; and wherein the amounts and identities of the polycarbonate, ionizing radiation stabilizing additive, and poly-substituted aromatic compound are selected such that a molded article having a thickness of 3.18 millimeters and comprising the thermoplastic composition has, after exposure to gamma radiation at 83 kGy and when measured according to ASTM D1925-70, an increase in yellowness index (dYI) of less than or equal to 50, when compared to the unexposed thermoplastic composition.
Inventors:
Catherine Glasgow
Brian Murren
Matthew Roth Pickston
Philip Scotland
Brian Murren
Matthew Roth Pickston
Philip Scotland
Application Number:
JP2008534599A
Publication Date:
November 16, 2011
Filing Date:
October 03, 2006
Export Citation:
Assignee:
Subic Innovative Plastics IP Besloten Fennaught Shap
International Classes:
C08L69/00; C08K5/10
Domestic Patent References:
| JPH0925404A | 1997-01-28 | |||
| JPH06248170A | 1994-09-06 |
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro