Polyamide resin composition

Details Polyamide resin composition Polyamide resin composition

2006-03-28

2006-03-28

Yoon, Tae H. (Department: 1714)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S186000, C524S447000, C523S210000

Reexamination Certificate

active

07019064

ABSTRACT:
The polyamide resin composition of the present invention comprises a polyamide resin and a smectite treated with an organic swelling agent. The polyamide resin is produced by the polycondensation of a diamine component containing 70 mol % or more of m-xylylenediamine and a dicarboxylic acid component containing 70 mol % or more of a straight-chain, aliphatic α,ω-dicarboxylic acid having 4 to 20 carbon atoms, and meets requirement of (1) a terminal amino concentration of less than 60 μeq/g and/or (2) a reaction molar ratio of less than 1.0 when defined by a molar ratio of reacted diamine to reacted dicarboxylic acid.

REFERENCES:
patent: 5340884 (1994-08-01), Mills et al.
patent: 6255378 (2001-07-01), Fujimoto et al.
patent: 6313209 (2001-11-01), Urabe et al.
patent: 6552113 (2003-04-01), Bagrodia et al.
patent: 1156073 (2001-11-01), None
patent: WO01/04197 (2001-01-01), None

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