Plastics composition based on a thermoplastic blend of a polyami

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

1991-10-11

1993-12-14

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525166, 525167, 5251675, 525174, 525178, 525183, 525190, 525296, 5253015, 525302, 5254205, 525421, 525422, 525426, 525432, C08F20301, C08L 7700

Patent

active

052704017

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.

REFERENCES:
patent: 3626026 (1971-12-01), Fukumura et al.
patent: 4820771 (1989-04-01), Mussig et al.
patent: 4977213 (1990-12-01), Giroud-Abel et al.

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