PHOTOVOLTAIC ELEMENT
    3.
    发明申请

    公开(公告)号:US20220328710A1

    公开(公告)日:2022-10-13

    申请号:US17641867

    申请日:2020-09-18

    Abstract: The invention relates to a photovoltaic module comprising (a) a front layer (1) arranged on the sunlight facing side of the photovoltaic module, wherein the front layer (1) comprises a first polypropylene composition, comprising a polypropylene, wherein the transmission of the front layer for light in the wavelength range of 350 nm to 1200 nm is on average at least 65% as compared to a situation without the front layer as determined according to ASTM D1003-13, (b) a sealing layer (2,4) which at least partly encapsulates a plurality of photovoltaic cells (3), wherein the sealing layer (2, 4) comprises a polyolefin elastomer composition comprising an ethylene-α-olefin copolymer and (c) a back layer (5), wherein the back layer (5) comprises a first reinforced polypropylene layer comprising a second polypropylene composition comprising a polypropylene and optionally a reinforcing filler, wherein the sealing layer is arranged between the front layer and the back layer.

    PHOTOVOLTAIC ELEMENT AND POLYMER COMPOSITION FOR FRONT SHEET THEREOF

    公开(公告)号:US20210265516A1

    公开(公告)日:2021-08-26

    申请号:US17252802

    申请日:2019-07-11

    Abstract: The present invention relates to a photovoltaic element, comprising a front layer, a back layer, and a plurality of photovoltaic cells, which photovoltaic cells are present between the front layer and back layer, wherein the front layer consists of a polypropylene composition, comprising: a) a random polypropylene resin; b) a mixture of light stabilizing additives; said mixture comprising: i) a high molecular weight hindered tertiary amine light stabilizer (t-HM-HALS) having a weight average molecular weight of at least 1600 g/mol; ii) a low molecular weight hindered secondary amine light stabilizer (s-LM-HALS) having a weight average molecular weight of below 1000 g/mol; iii) an ultraviolet synergist, being a n-alkyl-3,5-dialkylated 4-hydroxybenzoate; iv) an ultraviolet absorber, being a hydroxybenzotriazole compound or a hydroxyl benzophenone compound or a mixture thereof; c) a mixture of antioxidant additives; said mixture comprising: i) a phenolic antioxidant; and ii) a phosphite additive. The invention also relates to a polypropylene composition and to the use thereof as front layer.

    MODULAR ROOF COVERING ELEMENT, MODULAR ROOF COVERING, AND ROOF
    6.
    发明申请
    MODULAR ROOF COVERING ELEMENT, MODULAR ROOF COVERING, AND ROOF 有权
    模块化屋顶覆盖单元,模块化屋顶覆盖和屋顶

    公开(公告)号:US20170019061A1

    公开(公告)日:2017-01-19

    申请号:US15124063

    申请日:2015-03-05

    Abstract: Roof (2), at least in part covered by a modular roof covering, said modular roof covering comprising a plurality of modular elements (1) for covering said roof, wherein the plurality of elements is arranged such that at least part of a roof is fully covered by the plurality of elements, and wherein each element is coupled via coupling means to at least one adjacent further element of the plurality of elements, and the roof having sloped rafters (4) extending mutually parallel to a roof ridge, wherein the plurality of elements is directly mounted onto rafters, wherein preferably each element is supported, in a direction transverse to the rafters, onto two neighbouring rafters.

    Abstract translation: 屋顶(2)至少部分地由模块化的屋顶覆盖物覆盖,所述模块化屋顶覆盖物包括多个用于覆盖所述屋顶的模块化元件(1),其中所述多个元件布置成使屋顶的至少一部分 完全被多个元件覆盖,并且其中每个元件通过连接装置耦合到所述多个元件的至少一个相邻的另外元件,并且所述屋顶具有相互平行于屋顶脊延伸的倾斜椽子(4),其中所述多个元件 的元件直接安装在椽子上,其中优选地,每个元件在横向于椽子的方向上被支撑在两个相邻的椽子上。

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