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1. 发明公开

EP2157122A1 Composition constituting the surface layer of a sheet type plastic body for covering purposes and process for manufacturing the sheet type plastic bodies containing it 有权
标题翻译：片型塑料体形成用组合物，以覆盖目的且用于生产片状塑料体，使得表面层
公开(公告)号：EP2157122A1
公开(公告)日：2010-02-24
申请号：EP08462006.1
申请日：2008-08-19
申请人： Graboplast Padlógyártó ZRT.
发明人： Stelczer, Tibor , Nagy, Tamás , Mészáros, Zoltán , Zsegoráné Holczinger, Gyöngyi , Takács, István , Füzy, Péter , Erdö, András , Szentmártoni, Lajos , Farkasné Márton, Andrea , Herczig, Péter
IPC分类号： C08J7/04 , B32B27/30 , C08L27/04 , C08L33/12
CPC分类号： C08J7/047 , B32B27/08 , B32B27/16 , B32B27/18 , B32B27/20 , B32B27/22 , B32B27/30 , B32B27/304 , B32B27/306 , B32B27/308 , B32B2262/101 , B32B2264/10 , B32B2307/308 , B32B2307/554 , B32B2307/744 , C08J2327/06 , C08J2427/00 , C08L23/0853 , C08L27/06 , C08L27/08 , C08L31/04 , C08L33/12 , C08L2205/02 , C08L2205/03 , C09D127/06 , C08L2666/04
摘要： The invention relates to a composition constituting a surface layer applied on a sheet type plastic base body optionally constituted by a support and one or more polymer based films, which composition consists of a mixture of soft polyvinyl chloride with additives, polymers and optionally of inorganic filler material.
The composition is characterized by that it contains the following components:
a) One or more polymers advantageously vinylidene chloride copolymer or ethylene vinylacetate copolymer having glass transition temperature (Tg) lower by 15 to 42 °C than T g of the polymer in the upper layer of the sheet type plastic body,
b) One or more polymers advantageously a polyvinyl chloride based mixture or a polyvinyl chloride vinyl acetate copolymer based mixture having T g higher by 25 to 45 °C than T g of the of the polymer in the upper layer of the sheet type plastic body,
c) One or more polymers advantageously methyl-methacrylate copolymer having T g higher by at least 70 °C than T g of the polymer in the upper layer of the sheet type plastic body

and optionally d) a powdered inorganic filler material.
The invention relates also to a process for manufacturing a sheet type plastic body applicable for covering purposes containing the above mentioned composition as microheterogeneous surface layer of even thickness applied onto a sheet type plastic body optionally containing a support and one or more polymer based films. The process is characterized by that the above mentioned composition is layered in one or more stages onto the heat treated form stable sheet type plastic body constituting the base, the layer is heat treated in at least three stages optionally applying simultaneously pressure.
摘要翻译：本发明涉及一种构成施加在片材类型的塑料基体用一个支架和一个或多个基于聚合物的膜OPTIONALLY构成，表面层的组合物，它的软质聚氯乙烯用的无机填料的添加剂，聚合物和任选的混合物的组合物besteht 材料。该组合物通过其特点做了它包含下列组件：比在上层的Tg的聚合物的a）一种或多种聚合物有利地偏具有氯乙烯共聚物或乙烯乙酸乙烯酯共聚物的玻璃化转变温度（Tg）由15降低至42℃ 片材类型塑料体的，b）一种或多种聚合物有利地是聚氯乙烯系混合物或具有Tg高25〜小于T克的聚合物的45℃的上层聚氯乙烯醋酸乙烯酯共聚物基混合物片材类型塑料体的，c）在片材类型塑料主体和任选的d）的粉末状的上层具有的Tg至少70℃，低于T克聚合物更高的一种或多种聚合物有利地甲基丙烯酸甲酯共聚物无机填充材料。因此，本发明涉及一种用于制造适用于覆盖目的含上述组合物均匀厚度涂布在片材类型塑料体任选地含有支持体和一个或多个基于聚合物的膜的微观非均相表面层的片材类型的塑料体。该过程由DASS特点模具上面提到的组合物在一个或多个阶段层叠到构成基材的热处理形式稳定的纸张类型的塑料体，该层热在至少三个阶段处理任选地将同时压力。

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