Title:
【発明の名称】紫外線安定化ポリオキシメチレン成形組成物
Document Type and Number:
Japanese Patent JP2726719
Kind Code:
B2
Abstract:
A polyoxymethylene composition which exhibits improved stability against the degradative effects of ultraviolet light includes a triazine-based antioxidant and UV stabilizers. One preferred composition of the invention includes, based upon the total weight of the composition, an oxymethylene copolymer, between 0.015 to about 0.4 weight percent of 2,4,6-triamino-sym-triazine (as a formaldehyde scavenger), between about 0.25 to about 1.0 weight percent of each of 2-2(hydroxy-5-t-octylphenyl)benzotriazole, and bis(2,2,6,6-tetramethyl-4-piperidinyl)sebacate as UV light stabilizers, and between about 0.25 to about 1.0 weight percent of 3,5-di-tert-butyl-4-hydroxyhydrocinnamic acid triester with 1,3,5-tris(2-hydroxy-ethyl)-s-triazine-2,4,6(1H, 3H, 5H)-trione as an antioxidant. Due to their enhanced UV-light stability property, the compositions of the invention find particular utility as molded automobile components.
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Inventors:
BURUUSU EMU MARUHOORANDO
Application Number:
JP29375389A
Publication Date:
March 11, 1998
Filing Date:
November 10, 1989
Export Citation:
Assignee:
HEKISUTO SERANIIZU CORP
International Classes:
B60R13/02; C08K5/34; C08K5/3435; C08K5/3475; C08K5/3477; C08L59/00; C08K5/3492; (IPC1-7): C08L59/00; B60R13/02; C08K5/3435; C08K5/3475; C08K5/3492
Attorney, Agent or Firm:
Jun Tsuda (2 outside)