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A polymer containing photochromic moieties is obtained by means of the transesterification of poly(vinyl acetate) with 2-phenyl-5-carboxy-1,3-indandione. Upon u.v. irradiation of a solution and film of this polymer a transition to its benzalphthalide form is observed. It is assumed that the photochemical isomerization of 2-phenyl-l,3-indandione can also start from its enol form

Посилання на статтю:

Photoresponsive polymers: 1. Preparation and properties of a polymer containing 2-phenyl-1,3-indandione as chromophore / Christo Bratschkov, Stoyan Minchev and Ivan Schopov // Polymer. – 1994. – Vol 35. – P. 1549-1551.

Photoresponsive polymers: 1. Preparation and properties of a polymer containing 2-phenyl-1,3-indandione as chromophore - Завантажити.