Title:
MIXTURE OF POLYMER CONTAINING POLYAMIDE BLOCK AND COPOLYMER CONTAINING VINYL AROMATIC UNIT AND ANHYDRIDE UNIT
Document Type and Number:
Japanese Patent JP3049000
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject mixture capable of preventing unstability of a film in a roll end part of a casting apparatus, by compounding a polymer containing a polyamide block with a specific copolymer so as to have a specific melt flow index.
SOLUTION: This mixture comprises (A) 99-92 pts.wt. of a polymer composed of a polyamide block such as polyamide 6 or polyamide 12 and a polyether block composed of a polyethylene glycol and a polytetramethylene block and (B) 1-8 pts.wt. of a copolymer which is a styrene/maleic anhydride copolymer that may be esterified with an alcohol, neutralized with a base or imidated with an amine or ammonia and contains an aromatic vinyl unit and an unsaturated carboxylic acid anhydride unit.
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Inventors:
Dune Melo
Alain bouille
Benoit ernst
Alain bouille
Benoit ernst
Application Number:
JP2501098A
Publication Date:
June 05, 2000
Filing Date:
January 22, 1998
Export Citation:
Assignee:
Elf Atochem Society Anonymous
International Classes:
C08J3/22; C08J3/00; C08L77/00; C08L77/06; C08L77/12; (IPC1-7): C08L77/00
Domestic Patent References:
| JP60181160A |
Attorney, Agent or Firm:
Takashi Koshiba