Multilayer film having polyamide and polypropylene layers
    6.
    发明授权
    Multilayer film having polyamide and polypropylene layers 有权
    具有聚酰胺和聚丙烯层的多层膜

    公开(公告)号:US09248627B2

    公开(公告)日:2016-02-02

    申请号:US13649379

    申请日:2012-10-11

    摘要: Multilayer films of polyamide and polypropylene which have good layer adhesion and are suitable for a back cover of a solar module are provided. In a first embodiment, the multilayer film contains in the order listed: a) a layer containing at least 35% by weight, of polyamide; c) a layer containing at least 35% by weight of a polypropylene; and e) a layer containing at least 35% by weight, of polyamide; wherein the layer c) further comprises a polypropylene having acid anhydride groups or a polypropylene compatible functionalized polyolefin having functional groups to adhere the layer c) to each of layers a) and e). In a second embodiment adhesion promoter layers are present between the respective polyamide and polypropylene layers.

    摘要翻译: 提供了具有良好的层粘合性并且适用于太阳能模块的后盖的聚酰胺和聚丙烯的多层膜。 在第一实施方案中,多层膜按照以下顺序包含:a)含有至少35重量%的聚酰胺的层; c)含有至少35重量%聚丙烯的层; 和e)包含至少35重量%的聚酰胺的层; 其中层c)还包含具有酸酐基团的聚丙烯或具有官能团的聚丙烯相容的官能化聚烯烃,以将层c)粘附到层a)和e)中的每一层。 在第二个实施方案中,在相应的聚酰胺和聚丙烯层之间存在粘合促进剂层。

    DOWNHOLE HEAT EXCHANGER FOR A GEOTHERMAL HEAT PUMP
    7.
    发明申请
    DOWNHOLE HEAT EXCHANGER FOR A GEOTHERMAL HEAT PUMP 审中-公开
    用于地热泵的井下热交换器

    公开(公告)号:US20120199317A1

    公开(公告)日:2012-08-09

    申请号:US13502767

    申请日:2010-10-11

    IPC分类号: F24J3/08

    CPC分类号: F24T10/13 Y02E10/125

    摘要: The invention relates to a downhole heat exchanger for extracting geothermal energy from a borehole, wherein the inner surface of the exchanger tube comprises the following roughness values: a) an arithmetic mean roughness Ra according to DIN EN ISO 4287 in the range of 1 to 15 μm, b) an averaged roughness Rz according to DIN EN ISO 4287 in the range of 8 to 80 μm, and c) a maximum roughness depth Rz1 max according to DIN EN ISO 4287 in the range of 10 to 500 μm, comprising an improved precipitation film during operation, such that the entire surface of the exchanger tube is uniformly wetted.

    摘要翻译: 本发明涉及一种用于从钻孔中提取地热能的井下热交换器,其中交换器管的内表面包括以下粗糙度值:a)根据DIN EN ISO 4287的算术平均粗糙度Ra在1至15的范围内 μm,b)根据DIN EN ISO 4287在8至80μm范围内的平均粗糙度Rz,以及c)根据DIN EN ISO 4287在10至500μm范围内的最大粗糙度深度Rz1max,包括改进的 沉淀膜,使得整流管的整个表面均匀地润湿。

    Multilayer film with polyamide and polyester layers for the production of photovoltaic modules

    公开(公告)号:US10350865B2

    公开(公告)日:2019-07-16

    申请号:US13649616

    申请日:2012-10-11

    摘要: A multilayer film containing layers of polyamide and polyester, suitable as a back cover for a photovoltaic module is provided. The film comprises, in the order listed: a) a layer which comprises at least 35% by weight of polyamide; c) a layer which comprises at least 35% by weight, of a thermoplastic polyester; and e) a layer which comprises at least 35% by weight of polyamide; wherein the layers a) and e) further comprise 0.1 to 60% by weight, of a polyamine-polyamide graft copolymer, or the layer c) further comprises 0.1 to 30% by weight of polyamine-polyamide graft copolymer. The polyamine-polyamide graft copolymer comprises as copolymerized monomers: a polyamine having at least 4 nitrogen atoms and at least one polyamide-forming unit selected from the group consisting of a lactam, an ω-aminocarboxylic acid and an equimolar combinations of a diamine and a dicarboxylic acid. In another embodiment, adhesion promoting layers are placed between the layers.

    Molding compound on the basis of a copolyamide containing terephthalic acid and trimethylhexamethylene diamine units
    9.
    发明授权
    Molding compound on the basis of a copolyamide containing terephthalic acid and trimethylhexamethylene diamine units 有权
    基于含有对苯二甲酸和三甲基六亚甲基二胺单元的共聚酰胺的成型化合物

    公开(公告)号:US08871862B2

    公开(公告)日:2014-10-28

    申请号:US13377949

    申请日:2010-07-08

    IPC分类号: C08L77/00 C08G69/26 C08L77/06

    CPC分类号: C08G69/265 C08L77/06

    摘要: A molding compound, containing at least 30% by weight of a copolyamide, which is derived from the following monomers: a) 50 to 95 mole percent of the combination of a diamine, selected from the group consisting of 1,9-nonane diamine, 1,10-decane diamine, 1,11-undecane diamine and 1,12-dodecane diamine, and terephthalic acid, and b) 5 to 50 mole percent of the combination of a diamine, selected from the group consisting of 2,2,4-trimethylhexamethylene diamine, 2,4,4-trimethylhexamethylene diamine, and mixtures thereof, and terephthalic acid. The copolyamide is crystalline and has low water absorption.

    摘要翻译: 含有至少30重量%的共聚酰胺的模制化合物,其衍生自以下单体:a)50-95摩尔%的二胺的组合,其选自1,9-壬二胺, 1,10-癸烷二胺,1,11-十一烷二胺和1,12-十二烷二胺和对苯二甲酸,以及b)5至50摩尔%的二胺的组合,其选自2,2, 4-三甲基六亚甲基二胺,2,4,4-三甲基六亚甲基二胺及其混合物和对苯二甲酸。 共聚酰胺是结晶的,吸水率低。