ANTICOAGULATION AND ANTICALCIFICATION BIOLOGICAL MATERIAL, AND PREPARATION METHOD THEREFOR

    公开(公告)号:EP4140511A1

    公开(公告)日:2023-03-01

    申请号:EP21792008.1

    申请日:2021-04-23

    摘要: Provided are an anticoagulation and anticalcification biological material and a preparation method therefor. The preparation method includes the following steps: introducing, on a biological tissue, a polymerizable reactive group, and undergoing free radical copolymerization with a zwitterion. In the present invention, by introducing a reactive group capable of free radical polymerization to a biological tissue and undergoing free radical copolymerization with a zwitterionic monomer, collagen in the biological tissue is crosslinked at multiple sites by means of a polymer, thereby achieving sufficient crosslinking within and between collagen fibers, improving the stability of the biological tissue, and prolonging the service life of the biological tissue. Moreover, a zwitterion is introduced to the surface of the biological tissue, to improve the anticoagulation performance, promote the in-situ endothelialization of a biological valve, and prevent the calcium element deposition.

    CORPS GRAS COPOLYMERISE, SON PROCEDE DE PREPARATION ET SES APPLICATIONS
    6.
    发明公开
    CORPS GRAS COPOLYMERISE, SON PROCEDE DE PREPARATION ET SES APPLICATIONS 审中-公开
    共聚脂肪团,其制备方法和应用

    公开(公告)号:EP3252089A3

    公开(公告)日:2018-03-28

    申请号:EP17176775.9

    申请日:2012-04-27

    申请人: RHODIA OPERATIONS

    摘要: La présente invention concerne un copolymère dont le squelette est obtenu par polymérisation radicalaire d'un corps gras (A) comprenant des insaturations et/ou des fonctions hydroxyles et d'au moins un monomère (B) comprenant au moins une fonction polymérisable par polymérisation radicalaire et comprenant soit au moins une chaîne alkyle, linéaire ou ramifiée, avec ladite chaine alkyle comprenant de préférence de 16 à 44 atomes de carbone, plus préférentiellement au moins 18 atomes de carbones, par exemple au moins 20 atomes de carbone, notamment 22 atomes de carbone ou 44 atomes de carbone, soit une fonction réactive.
    L'invention concerne également un procédé de modification des propriétés rhéologiques d'un milieu non aqueux par addition d'un copolymère selon l'invention.
    La présente invention concerne également une composition constituée en tout ou en partie d'un copolymère selon l'invention. De préférence la composition est une composition émulsifiable. L'invention concerne également une composition comprenant un copolymère selon l'invention et un agent émulsifiant.

    摘要翻译: 本发明涉及一种共聚物,其骨架通过包含不饱和度和/或羟基官能团的脂肪物质(A)和包含至少一个通过自由基聚合的至少一个可聚合官能团的单体(B)的自由基聚合获得 并包含至少一个直链或支链的烷基链,所述烷基链优选包含16至44个碳原子,更优选至少18个碳原子,例如至少20个碳原子,特别是22个碳原子, 碳或44个碳原子,具有反应功能。 本发明还涉及通过加入根据本发明的共聚物来改变非水性介质的流变学性质的方法。 本发明还涉及一种全部或部分由根据本发明的共聚物组成的组合物。 优选地,组合物是可乳化组合物。 本发明还涉及包含根据本发明的共聚物和乳化剂的组合物。

    CURABLE PETROLEUM RESIN AND METHOD FOR PREPARING SAME
    7.
    发明公开
    CURABLE PETROLEUM RESIN AND METHOD FOR PREPARING SAME 审中-公开
    赫尔辛基

    公开(公告)号:EP3176191A1

    公开(公告)日:2017-06-07

    申请号:EP15827903.4

    申请日:2015-08-03

    摘要: This invention provides a method of manufacturing a curable petroleum resin and a curable petroleum resin obtained therefrom. The method includes (a) a process of thermally polymerizing a composition for polymerization which includes silanes and monomers, including cyclic olefins having at least one ethylenically unsaturated group selected from among C5 fractions, C9 fractions, and dicyclopentadiene of naphtha cracking, thereby enabling petroleum resins, which are thermoplastic resins, to be applied as reactive adhesives, and ultimately being capable of providing eco-friendly reactive adhesives.

    摘要翻译: 本发明提供一种制备可固化石油树脂的方法和由其获得的可固化石油树脂。 该方法包括(a)将聚合组合物热聚合的方法,该组合物包括硅烷和单体,包括具有至少一种烯键式不饱和基团的环烯烃,所述烯烃选自C5馏分,C9馏分和石脑油裂解二聚环戊二烯,从而使石油树脂 ,它们是热塑性树脂,用作反应性粘合剂,并且最终能够提供环保的反应性粘合剂。

    Polysaccharide and/or polypeptide based graft polymers as synthetic tannins
    8.
    发明公开
    Polysaccharide and/or polypeptide based graft polymers as synthetic tannins 审中-公开
    多糖和/或接枝聚合物polypeptidbasierte合成丹宁

    公开(公告)号:EP2824125A3

    公开(公告)日:2015-03-04

    申请号:EP14186158.3

    申请日:2012-05-25

    发明人: Song, Ma

    摘要: Process for the manufacturing of graft polymers of polysaccharides or polypeptides or its respective derivatives, obtainable by free radical induced co-polymerization of
    A) a monomer selected from or a monomer mixture of
    (a) from 20 to 100% by weight of acrylic acid or methacrylic acid or of a mixture thereof or of the alkali metal, alkaline earth metal or ammonium salts thereof,
    (b) from 0 to 80% by weight of other monoethylenically unsaturated monomers which are copolymerizable with the monomers (a) and
    (c) from 0 to 5% by weight of monomers having at least 2 ethylenically unsaturated, nonconjugated double bonds in the molecule,

    in the presence of either
    B1) polysaccharides, oxidatively, hydrolytically or enzymatically degraded polysaccharides, oxidized hydrolytically degraded or oxidized enzymatically degraded polysaccharides, or such chemically modified degraded products, chemically modified mono-, oligo- or polysaccharides or mixtures of the stated compounds or
    B2) polypeptides, hydrolytically or enzymatically degraded and optionally chemically modified polypeptides or mixtures of the stated compounds
    in a weight ratio A:(B1 or B2) of from 1:99 to 18:82,
    wherein the components of the monomers of A) are added to B1) or B2) in an inert solvent at a temperature of 40 to 150 °C in the presence of a free radical-forming initiator, characterized in that at least 50% of the radical-forming initiator are with the component B1) or B2) before the addition of the monomers A) and the rest is added together with the monomers of A).