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    Floor covering made from an environmentally friendly polylactide-based composite formulation
    2.
    发明授权
    Floor covering made from an environmentally friendly polylactide-based composite formulation 有权
    由环保型聚丙交酯复合制剂制成的地板

    公开(公告)号：US07354656B2

    公开(公告)日：2008-04-08

    申请号：US11032609

    申请日：2005-01-10

    Applicant: Amar K. Mohanty ,  Lawrence T. Drzal ,  Brian P. Rook ,  Manjusri Misra

    Inventor： Amar K. Mohanty ,  Lawrence T. Drzal ,  Brian P. Rook ,  Manjusri Misra

    IPC: C08K5/1515 ,  C08K5/156

    CPC classification number: B32B27/36 ,  B29C67/24 ,  B29K2067/043 ,  B29K2067/046 ,  B29L2031/732 ,  B32B27/12 ,  B32B27/18 ,  B32B27/20 ,  B32B27/22 ,  B32B2307/56 ,  B32B2307/718 ,  B32B2419/00 ,  C08K5/0016 ,  C08K5/1515 ,  C08L67/04 ,  C08L101/00 ,  E04F15/10 ,  E04F15/22 ,  Y10T428/259 ,  Y10T428/31 ,  Y10T428/31938 ,  C08L2666/02

    Abstract: Polymeric materials and products, including sheet flooring materials prepared from the polymeric materials, and processes for preparing the polymeric materials, are disclosed. The polymeric materials include a polylactic acid-based polymer in combination with plasticizer and a compatibilizer, and optionally include a filler. The polymeric material can include between about 30 to about 50 percent by weight polyvinyl chloride, polyethylene glycol, polyglycolide, ethylene vinyl acetate, polycarbonate, polycaprolactone, polyhydroxyalkanoates, or polyolefins modified with polar groups, for example, ionomers. The plasticizer is typically an epoxidized vegetable oil or esterified and epoxidized vegetable oil and is typically present in an amount of between about 10 and about 50% by weight. In some embodiments, the compatibilizer is a polyolefin modified with one or more polar functional groups, and is typically present in an amount of between about 5 and about 10% by weight. The material can be used in decorative surface coverings, such as a floor coverings, particularly when it is in the form of a polymeric sheet. The polymeric material can be present in at least one layer of a floor covering, which floor covering can also include one or more additional layers such as wear layers, foamed or foamable layers, top coat layers and design layers. The additional layers can also include the polymeric material.

    Abstract translation: 公开了聚合材料和产品，包括由聚合物材料制备的片材地板材料，以及制备聚合物材料的方法。 聚合物材料包括与增塑剂和增容剂组合的聚乳酸类聚合物，并且任选地包括填料。 聚合物材料可包括约30至约50重量％的聚氯乙烯，聚乙二醇，聚乙交酯，乙烯醋酸乙烯酯，聚碳酸酯，聚己酸内酯，聚羟基链烷酸酯或用极性基团改性的聚烯烃，例如离聚物。 增塑剂通常是环氧化植物油或酯化和环氧化植物油，并且通常以约10至约50重量％的量存在。 在一些实施方案中，增容剂是用一个或多个极性官能团改性的聚烯烃，通常以约5至约10重量％的量存在。 该材料可用于装饰性表面覆盖物，例如地板覆盖物，特别是当其为聚合物片材的形式时。 聚合材料可以存在于至少一层地板覆盖物中，该地板覆盖物还可包括一层或多层附加层，例如耐磨层，发泡层或发泡层，顶涂层和设计层。 另外的层还可以包括聚合物材料。

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