Polyamide from 3,5-tricyclo[5.2.1.0.sup.2.6 ]decane dicarboxylic

Details Polyamide from 3,5-tricyclo[5.2.1.0.sup.2.6 ]decane dicarboxylic Polyamide from 3,5-tricyclo[5.2.1.0.sup.2.6 ]decane dicarboxylic

1991-09-19

1993-05-25

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528183, 528190, 528337, 528338, 528339, 528340, C08G 6926

Patent

active

052141250

ABSTRACT:
A polyamide comprising a recurring unit of the formula (I), ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 is independently a hydrogen atom, a halogen atom, a hydroxyl group, or a group of a carbon skeleton which may contain a hetero atom or a halogen atom, and A.sup.1 is a divalent hydrocarbon group; and a process for the production of a polyamide comprising the recurring unit of the formula (I), which comprises subjecting to a polycondensation reaction a dicarboxylic acid comprising an alicyclic dicarboxylic acid of the formula (a)-1, ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are as defined in the formula (I), and a diamine of the formula (b)-1,

REFERENCES:
patent: 2937162 (1960-05-01), Martin et al.

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