Chemical imidization reagent for polyimide synthesis

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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528173, 528188, 528229, 528310, 528312, 528313, 528322, 528324, 528331, 528332, 528337, 528345, 528347, 528353, 524600, 524606, C08G 7310, C08G 6928, C08G 6926

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057895244

ABSTRACT:
A process for producing a polyimide composition by reacting at least one polyamic acid or at least one polyamic ester or a mixture of at least one polyamic acid and at least one polyamic ester with a selected phosphoramide in the presence of at least one base catalyst to from a polyimide composition.

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Mitsuru Ueda et al., Macromolecules 1988, 21, 19-24 The month in the pub. date is not available.
E. Chin et al., Advances in Polyimide Science and Technology--Proceedings of the Fourth International Conference on Polyimdes, Edited by C. Feger et al., 1993, pp. 201-202, Technonic Publishing Co., Ltd., Lancaster, PA The month in the pub. date is not available.
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