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    SOLAR CELLS MODULES COMPRISING LOW HAZE ENCAPSULANTS
    86.
    发明申请
    SOLAR CELLS MODULES COMPRISING LOW HAZE ENCAPSULANTS 有权

    公开(公告)号：US20100108126A1

    公开(公告)日：2010-05-06

    申请号：US12610431

    申请日：2009-11-02

    Applicant: Steven C. Pesek ,  Charles Anthony Smith ,  W. Alexander Shaffer ,  Richard Allen Hayes

    Inventor： Steven C. Pesek ,  Charles Anthony Smith ,  W. Alexander Shaffer ,  Richard Allen Hayes

    IPC: H01L31/048 ,  H01L31/042 ,  H01L21/56

    CPC classification number: B32B17/10743 ,  B32B17/10577 ,  B32B17/10853 ,  H01L31/0481 ,  Y02E10/50 ,  Y10T428/269 ,  Y10T428/31507 ,  Y10T428/31645 ,  Y10T428/31692 ,  Y10T428/31855 ,  Y10T428/31938

    Abstract: Provided is a solar cell module comprising a solar cell layer and an ionomer sheet comprising an ionomer composition, said ionomer composition comprises a first ionomer that is the neutralized product of a first precursor acid copolymer, wherein, (A) the first precursor acid copolymer comprises copolymerized units of a first α-olefin having 2 to 10 carbon atoms and about 20 to about 30 wt %, based on the total weight of the first precursor acid copolymer, of copolymerized units of a second α,β-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms; (B) the first precursor acid copolymer has a melt flow rate of about 70 to about 1000 g/10 min, as determined in accordance with ASTM D1238 at 190° C. and 2.16 kg; and (C) the first precursor acid copolymer, when neutralized to a level of about 40% to about 90% and when comprising counterions that consist essentially of sodium cations, produces a sodium ionomer, and said sodium ionomer has a melt flow rate of about 0.7 to about 25 g/10 min and a freeze enthalpy that is not detectable or that is less than about 3.0 j/g, when determined by differential scanning calorimetry (DSC) in accordance with ASTM D3418. The ionomer composition may further comprise a second ionomer that is the neutralization product of a second precursor acid copolymer, wherein, (D) the second precursor acid copolymer comprises copolymerized units of a second α-olefin having 2 to 10 carbon atoms and about 18 to about 30 wt % of copolymerized units of a second α,β-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms; (E) the second α-olefin may be the same as or different from the first α-olefin; and the second α,β-ethylenically unsaturated carboxylic acid may be the same as or different from the first α,β-ethylenically unsaturated carboxylic acid; and (F) the second precursor acid copolymer has a melt flow rate of about 60 g/10 min or less; and (G) the second ionomer has a melt flow rate of about 10 g/10 min or less.

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