Citraconimide (co)polymers and curing with anionic catalyst

Details Citraconimide (co)polymers and curing with anionic catalyst Citraconimide (co)polymers and curing with anionic catalyst

1992-01-16

1993-06-22

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

526262, 526261, 5262191, C08F 830, C08F 404, C08F 2606

Patent

active

052217175

ABSTRACT:
A process for the preparation of a (co)polymer containing at least one unit derived from a citraconimide by curing curable composition comprising at least one substituted or unsubstituted citraconimide and a sufficient amount of an anionic curing catalyst to convert at least 10% of the citraconic alkyl groups on the citraconimide units to alkylene bridges; at a temperature above the melting point of the citraconimide unit and the product of that curing process, are disclosed. The invention also relates to the cured oligomers and articles of manufacture embodying them. These novel, cured oligomers are thermoplastic and offer several advantageous properties.

REFERENCES:
patent: 4653584 (1987-03-01), Ball et al.
Polymer Journal, vol. 12, No. 11, pp. 799-807 (1980) by Tsutomu Oishi.
Polymer Journal, vol. 13, No. 1, pp. 65-74 (1981) by Tsutomu Oishi.
Polymer, vol. 6, pp. 419-426 (1965) by R. C. P. Cubbon.
J. Polymer Science, Part A-B, vol. 4, pp. 1121-1134 (1966) by Kojima, Yoda and Marvel.
31st International SAMPE Symposium, vol. 31, pp. 920-932.
17th National SAMPE Conference 17, pp. 147-160 (1985).
J. Org. Chem., vol. 25, pp. 1012-1015 (1960).
Makromol. Chem., vol. 78, pp. 112-120 (1964).

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