Polymer from diimido-di-phthalonitrile

Details Polymer from diimido-di-phthalonitrile Polymer from diimido-di-phthalonitrile

1992-03-12

1993-11-16

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528220, 528228, 528321, 528331, 528362, 548548, C08G 7310

Patent

active

052625141

ABSTRACT:
Substituted and unsubstituted di-phthalonitrile monomers devoid of ether /or phenoxy groups are solid at room temperature and which monomers are defined by the following general formula: ##STR1## where R is an aromatic tetravalent radical, thermoplastic prepolymers and thermosetting polymers which polymers are solid at room temperature and have a defined glass transition temperature if said polymers are cured at a temperature below a critical temperature or are devoid of a glass transition temperature if said polymers are postcured at a temperature exceeding said critical temperature.

REFERENCES:
patent: 4645821 (1987-02-01), Malinge et al.
patent: 4649189 (1987-03-01), Achar et al.
patent: 5003039 (1991-03-01), Keller
patent: 5003078 (1991-03-01), Keller

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