Polyamide having improved gas barrier properties from adipic aci

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

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528338, 528340, 528347, C08G 6926

Patent

active

051752387

ABSTRACT:
A polyamide composition comprising the following recurring units: ##STR1## in proportions such that the mole ratio of the dicarboxylic acid moieties in the A, B and C units is about 49.5-0.5/0-20/0.5-49.5 and wherein R is a divalent radical comprising ##STR2## in a mole ratio of about 0.5-50/49.5-0 and preferably having a glass transition temperature of 90.degree. C. or greater and an oxygen transmission rate of about 2.0 cc-mil/100 in.sup.2 -day-atm or less.

REFERENCES:
patent: 2715620 (1955-08-01), Carlston et al.
patent: 2742496 (1956-04-01), Lum et al.
patent: 2766222 (1956-10-01), Lum et al.
patent: 3379695 (1968-04-01), Wolfes et al.
patent: 3475387 (1969-10-01), Carter et al.
patent: 4018746 (1977-04-01), Brinkmann et al.
patent: 4133802 (1979-01-01), Hachiboshi et al.
patent: 4250297 (1981-02-01), Nielinger et al.
patent: 4398642 (1983-08-01), Okudaira et al.
patent: 4501781 (1985-02-01), Kushida et al.
patent: 4535901 (1985-08-01), Okudaira et al.
patent: 4603166 (1986-07-01), Poppe et al.
patent: 4603193 (1986-07-01), Richardson et al.
patent: 4702859 (1987-10-01), Shimizu et al.
patent: 4728549 (1988-03-01), Shimizu et al.
patent: 4800129 (1989-01-01), Deak
patent: 4831108 (1989-05-01), Richardson et al.
patent: 4908272 (1990-03-01), Harada et al.
patent: 4983719 (1991-01-01), Fox et al.
Bulletin by Toyobo Co., Ltd. titled "Toyobo Nylon MXD6".

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