Title:
ポリアセタール樹脂組成物、樹脂成形品、ポリアセタール樹脂原料組成物の改質方法及び改質剤
Document Type and Number:
Japanese Patent JP5320222
Kind Code:
B2
Abstract:
A polyacetal resin composition containing 100 parts by weight of a polyacetal resin, 0.01 to 5 parts by weight of a colorant selected from inorganic and organic pigments, 0.01 to 3 parts by weight of a polyamide resin having a melting point or softening point of 180°C or less, or a polyetheresteramide resin, 0.01 to 1 part by weight of an aromatic dihydrazide compound or an aliphatic dihydrazide compound having a solubility of less than 1 g relative to 100 g of water at 20°C, and 0.01 to 1 part by weight of a sterically hindered phenolic compound, or a combination of a hindered amine-based light stabilizer and an ultraviolet absorber, exhibits an excellent thermal stability and is capable of suppressing formaldehyde generation and mechanical strength deterioration.
Inventors:
Masayuki Nagai
Kunihiko Fujimoto
Kunihiko Fujimoto
Application Number:
JP2009202537A
Publication Date:
October 23, 2013
Filing Date:
September 02, 2009
Export Citation:
Assignee:
Mitsubishi Engineering Plastics Co., Ltd.
International Classes:
C08K5/13; C08L59/00; C08K5/25; C08L77/08
Domestic Patent References:
| JP2003220667A | ||||
| JP2005220254A | ||||
| JP2002501098A | ||||
| JP2001081281A | ||||
| JP2007070575A | ||||
| JP2005325225A |
Foreign References:
| WO2005033201A1 | ||||
| WO2005033200A1 |
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes