Aliphatic polyamide from disubstituted decane diamine

Details Aliphatic polyamide from disubstituted decane diamine Aliphatic polyamide from disubstituted decane diamine

1978-10-26

1980-03-25

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

260 334R, 528347, 528349, C08G 6926

Patent

active

041951654

ABSTRACT:
The polyamides according to the invention are mainly transparent (amorphous), but in some cases also partially crystalline. They have a reduced specific viscosity (0.5% in m-cresol at 25.degree. C.) of at least 0.3 dl/g, and consist of recurring structural elements of the formula I ##STR1## in which R.sub.1 and R.sub.2 are monovalent aliphatic or cycloaliphatic radicals, and Z is a bivalent aliphatic radical. The dicarboxylic acid structural radicals are derived in particular from adipic acid. The polyamides have high glass transition temperatures, and have a low water absorption and also good stability to hydrolysis. They can be processed into moulded articles (for example by the injection moulding process and extrusion process).

REFERENCES:
patent: 3939147 (1976-02-01), Hugelin et al.
Chemical Abstracts, vol. 36 (1942), 4720.sup.4.

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