Title:
耐漂白性に優れたポリアセタール
Document Type and Number:
Japanese Patent JP4994029
Kind Code:
B2
Abstract:
A molding composition exhibiting bleach resistance includes a polyoxymethylene matrix polymer, from about 0.5 to about 10 weight percent of a bleach stabilizer selected from alkali metal or alkaline earth element carbonates or phosphates and mixtures thereof dispersed in the matrix resin. A bleach co-stabilizer is selected from the group consisting of: (a) a poly(alkoxy) stabilizer; (b) a zinc oxide stabilizer; (c) a color stabilizer consisting of a mixture of calcium citrate and calcium propionate, wherein the calcium citrate is the predominant component of the color stabilizer mixture; or (d) mixtures of two or more of (a), (b) and (c). The compositions exhibit a bleach resistance index of at least 2.0.
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Inventors:
Noto Giacomo, Vincent Jay
Application Number:
JP2006508925A
Publication Date:
August 08, 2012
Filing Date:
February 27, 2004
Export Citation:
Assignee:
Ticona LRC
International Classes:
C08L59/00; C08J5/00; C08K3/22; C08K3/26; C08K3/32; C08K5/098; C08L71/00
Domestic Patent References:
| JP62267351A | ||||
| JP3111446A | ||||
| JP2001288236A | ||||
| JP7150005A | ||||
| JP8100102A | ||||
| JP5222268A | ||||
| JP7228751A | ||||
| JP10147694A | ||||
| JP10251481A | ||||
| JP11116731A | ||||
| JP2002212384A |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shinya Hosokawa
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shinya Hosokawa