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PVDF-BASED PTC PAINTS AND THEIR APPLICATIONS FOR SELF-REGULATED HEATING SYSTEMS

机译：基于PVDF的PTC涂料及其在自调节加热系统中的应用

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摘要

The present invention relates to a composition comprising, by weight, the total being 100%: A) ~40 to 80% of vinylidene fluoride homopolymers or copolymers, (PVDF); B) ~10 to 40% of PMMA; and C) ~10 to 40% of a conductive filler. wherein PMMA is methyl methacrylate homopolymers and copolymers containing at least 50 wt% methyl methacrylate. This composition has a PTC effect and is advantageously used in the form of a film (paint) covering a substrate. The composition of the invention is dissolved in a solvent and then spread over a substrate and the solvent evaporated. The metal terminals for connection to the electrical circuit may be placed at the ends of the coating before or after application. The invention also relates to a composite, namely the substrate covered with the PTC composition described above.

机译：本发明涉及一种组合物，其包含按重量计总计为100％：A）〜40至80％的偏二氟乙烯均聚物或共聚物（PVDF）;和B）〜10％至40％的PMMA; C）约10％至40％的导电填料。其中PMMA是甲基丙烯酸甲酯均聚物和含有至少50重量％的甲基丙烯酸甲酯的共聚物。该组合物具有PTC效应，并且有利地以覆盖基材的膜（漆）的形式使用。将本发明的组合物溶解在溶剂中，然后铺展在基材上并蒸发溶剂。在施加之前或之后，可以将用于连接至电路的金属端子放置在涂层的端部。本发明还涉及一种复合材料，即覆盖有上述PTC组合物的基材。

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公开/公告号CA2486702C

专利类型
公开/公告日2008-07-29

原文格式PDF
申请/专利权人 ATOFINA;
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申请/专利号CA20042486702
发明设计人 KORZHENKO ALEXANDER;CAUPIN HENRI-JEAN;VIVIEN MARINE;RIVAS NADINE;BONNET ANTHONY;LECHARTIER CORINNE;
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申请日2004-11-02
分类号C08L27/16;C08J5/00;C08K3/04;C08L27/22;C08L33/12;C09D127/16;C09D133/12;
国家 CA
入库时间 2022-08-21 20:03:54

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