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Improvement of Polyurethane and Epoxide Based Adhesives by Organically Modified Nanoparticles

Andreas HartwigAndreas LhringMonika SebaldOliver SchorschJasmin Trautmann

Fraunhofer-Institut fr Fertigungstechnik und Angewandte Materialforschung,Adhesive Bonding Technology and Surfaces,Wiener Str.12,D-28359 Bremen,Germany

摘要:<正>The adhesion and interaction between particle surfaces and the polymer matrix of an adhesive is nothing else than the adhesion of an adhesive on a macroscopic part.The influence of nanoparticles with spherical and sheet like structure on the properties of epoxide and polyurethane based adhesives is presented.The organic surface modification of the particles as well as processing during particle modification and composite preparation are demonstrated to be most important and are discussed with respect to the observed properties.A differentiation is mainly made between surface functionalisation of the particles with reactive and non-reactive groups with respect to the resin.Mechanical properties are strongly influenced by the surface chemistry of the particles.It is demonstrated under which circumstances the lap-shear-strength as well as the peel strength are improved.
会议名称:

第三届世界粘接及相关现象大会暨北京粘接学会第十五届学术年会

会议时间:

2006-10-15

会议地点:

中国北京

  • 专辑:

    工程科技Ⅰ辑

  • 专题:

    有机化工

  • 分类号:

    TQ433.43

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