Preparation of poly(p-methylenebenzoate) from p-hydroxymethylben

Details Preparation of poly(p-methylenebenzoate) from p-hydroxymethylben Preparation of poly(p-methylenebenzoate) from p-hydroxymethylben

1982-11-30

1984-02-14

Nielsen, Earl A.

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

Synthetic resins

From carboxylic acid or derivative thereof

528305, C08G 6306

Patent

active

044317980

ABSTRACT:
Disclosed is a process for the preparation of poly(p-methylenebenzoate) from p-hydroxymethylbenzoic acid containing no more than about 10% by weight terephthalic acid and no more than about 0.3 (wt) % total of 4-carboxybenzaldehyde and p-toluic acid.

REFERENCES:
patent: 4130719 (1978-12-01), Cerefice et al.
patent: 4182847 (1980-01-01), Fields et al.
patent: 4220753 (1980-09-01), Cerefice et al.

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