Thermosetting aromatic resins and thermostable polymers derived

Details Thermosetting aromatic resins and thermostable polymers derived Thermosetting aromatic resins and thermostable polymers derived

1977-09-16

1980-05-13

Briggs, Sr., Wilbert J.

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

Synthetic resins

From carboxylic acid or derivative thereof

528395, 528396, 568331, 568323, C08G 6102

Patent

active

042029600

ABSTRACT:
Thermostable, infusible and insoluble polymer obtained by thermosetting aromatic oligomers of low molecular weight in the presence of an acid catalyst, said aromatic oligomers having an average molecular weight up to about 5000, a softening temperature from 80.degree. to 400.degree. C. and being obtained by separation from the reaction mixture produced by reacting meta-terphenyl with acetyl chloride and aluminum chloride.

REFERENCES:
patent: 3342754 (1967-09-01), Gorham
patent: 3565832 (1971-02-01), Bilow et al.
patent: 4064176 (1977-12-01), Rabilloud et al.

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