Photo-crosslinkable polymers having azidophthalimidyl side group

Details Photo-crosslinkable polymers having azidophthalimidyl side group Photo-crosslinkable polymers having azidophthalimidyl side group

1978-10-05

1981-01-27

Wong, Jr., Harry

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

Synthetic resins

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

20415914, 525329, 525375, 526259, C08F 800, C08F 2606

Patent

active

042476607

ABSTRACT:
The photo-crosslinkable polymers according to the invention have azidophthalimidyl side groups of the formula I ##STR1## in which Y is a divalent organic radical. These polymers are prepared either by introduction of the azidophthalimidyl group into an existing polymer chain or by synthesis of polymer chains from monomers which already contain the azidophthalimidyl group.
Compared to corresponding photosensitive polymers of the prior art, these novel polymers have the advantages that they are even more photosensitive and that they also absorb in the long wavelength UV region (at wavelengths above 320 nm).

REFERENCES:
patent: 4079041 (1978-03-01), Baumann et al.

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