Plastics composition based on a thermoplastic blend of a...

Details Plastics composition based on a thermoplastic blend of a... Plastics composition based on a thermoplastic blend of a...

Category

C - Chemistry, Metallurgy

Subcategory

08

Subsubcategory

L

IPC codes

C08L 67/08 (2006.01) C08L 67/00 (2006.01) C08L 77/00 (2006.01) D01F 6/90 (2006.01) D01F 6/92 (2006.01)

Type

Patent

Patent number

CA 2053517

Description

AFP 2247 PLASTICS COMPOSITION BASED ON A THERMOPLASTIC BLEND OF A POLYAMIDE AND A POLYESTER ABSTRACT Disclosed is a plastics composition comprising a thermoplastic blend comprising: (1) 5-95 wt% of a polyamide (PA) and 95-5 wt% of a polyester (PE) incorporating 1-50 wt% of an aliphatic dimer fatty acid, (2) 0.01-30 parts by weight of a compound having at least one ethylenically unsaturated group or propylene group and further having a carboxylic, acid anhydride, acid amide, imido, carboxylic ester, amino or hydroxyl group per 100 parts by weight based on the combined weight of PA and PE, (3) 0-90 parts by weight of a polyester not modified with dimer fatty acid per 100 parts by weight based on the combined weight of PA and PE. Preferably the polyester (PE) is a polyethylene terephthalate or polybutylene terephthalate modified with di-oleic acid. The blends have a greatly improved elongation at break and are readily spinnable.

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