Biodegradable coating

Jukka Tuominen (Inventor), Janne Kylmä (Inventor), Jukka Seppälä (Inventor), Johan-Fredrik Selin (Inventor)

    Research output: Patent

    Abstract

    The object of the present invention is a biodegradable polymer network and methods to make it. The polymer network consists of a cross-linked polyester resin, which is composed of hydroxy acid units, structural units derived from an unsaturated bifunctional monomer, and structural units derived from a polyol monomer. The polyester resin is produced directly by a polyoon-densation reaction, after which it is cross-linked to a polymer of high molecular weight The polyester can be co-polymerised with a co-monomer increasing flexibility, or be blended with a reactive macromonomer, which adds elasticity and crosslinking density.; The prepared polymer network can be especially used to coat continuous or singular objects made of fibrous, porous, biomass based or inorganic materials, or as a blending component in these, or used to impregnate these in order to induce water durability, barrier properties, elasticity, coherence or mechanical strength.

    Original languageEnglish
    Patent numberUS2005080223
    IPCC09D 167/ 00 A I
    Priority date11/10/2002
    Publication statusPublished - 14 Apr 2005
    MoE publication typeH1 Granted patent

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