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  • Poly Vinyl Cinnamate Absorption Photocycloaddition Polymer - China

    price: contact company for price

    Poly(vinyl cinnamate) CAS: 9050-06-0 Under UV irradiation, poly(vinyl

    cinnamate) (PVCi) films undergo cross-linking due to [2 + 2]

    photocycloaddition between cinnamoyl groups. Consequently, electronic

    configuration of lateral polymer groups changes and also leads to the

    drop of the refractive index in the visible range. This mechanism is

    studied with regards to the level of the electronic absorption of

    cinnamate centered at 278 nm. It acts on refractive index by shifting

    the absorption UV band. Most of the time, this influence vanishes in the

    near infrared region (NIR). It is due to antagonist phenomena acting at

    the expense of the index lowering. The causes analysis leads us to

    optimize the irradiation spectrum, providing higher index contrasts

    between irradiated and nonirradiated area. We show that strong index

    changes can be achieved in PVCi film, up to 2.5 10-2 even in the NIR,

    enabling us, for example, to perform optical photoprinting waveguides

    for telecommunication wavelengths (1300-1550 nm).

    Poly Vinyl Cinnamate

    For any questions and needs please contact us below


    Company Contact:


    • Phone: 862788320830

    • Address: NO.496 Zhongshang Road, Wuchang, Wuhan, Hubei, 430, wuhan, China

    • Email: Email


    Published date: September 7, 2012 -

    • Business Description: involved in international trade import export of goods, products, and services

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