Polymeric pyridinium ylides and products prepared from same

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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C08F12600

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046705287

ABSTRACT:
Polymers containing pyridinium ylides moieties are subjected to actinic irradiation to convert the pyridinium ylide moieties to water-insoluble or hydrophobic N-acyl-diazepine polymers. The polymeric pyridinium ylides can be used for the waterproofing or hydrophobization of surfaces and for the production of printing plates, photoresistors, printed circuit boards and the like.

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T. Sasaki et al, in "Structures of the Photochemical Isomerization Products of Pyridinium Ylides, Diazepines and Their Diels-Alder Adducts", Journal of the Chemical Society, London, Chemical Communications, Part D, vol. 9, pp. 432-433, (1969).
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