Polymers characterized by 1,3-imidazolidine-1,3-diyl rings plast

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor

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524170, 524171, 524589, C08K 536

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043258603

ABSTRACT:
Normally intractable polymers of the structure: ##STR1## wherein X is O or NH, provided at least one X is O, R is an organic moiety, such as poly(parabanic acids) are plasticized by composition with from 15 to 60 weight percent of an aromatic sulfone or aromatic sulfoxide such as diphenyl sulfone, diphenyl sulfoxide or dibutyl-4,4'-sulfonyl dibenzoate.

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patent: 4147684 (1979-04-01), Patton

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