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    • 1. 发明申请
    • Sheet for sealing rear surface of solar cell
    • 用于密封太阳能电池表面的片材
    • US20100229945A1
    • 2010-09-16
    • US12308572
    • 2007-06-21
    • Masayoshi SuzutaMasanobu YoshinagaIkuno ShimenoAtsushi TsujiiBungo YasuiSeiji Maeda
    • Masayoshi SuzutaMasanobu YoshinagaIkuno ShimenoAtsushi TsujiiBungo YasuiSeiji Maeda
    • H01L31/00B32B27/40B32B27/38
    • B32B27/06B32B7/12C08G18/44C08G18/6229C08G18/725C09J175/04H01L31/049Y02E10/50Y10T428/31515Y10T428/31551
    • The present invention provides a sheet for sealing a rear surface of a solar cell in which degradation due to hydrolysis of the material constituting the solar cell is prevented, and the weather resistance is excellent such that electric output properties of the solar cell can be maintained not only under conditions of actual usage of the solar cell module but also conditions for evaluation under high temperatures and high moistures, and provides a sheet for sealing a rear surface of a solar cell comprising a laminate in which at least two substrates are laminated by an polyurethane-based adhesive, wherein the polyurethane-based adhesive comprises an adhesive having hydrolysis resistance which satisfies the following conditions: condition 1: the lamination strength of the adhesive is 1 N/15 mm or more after keeping the laminate in a chamber which acts as a highly accelerated stress test system under pressurized steam conditions of 105° C. and 1.05 atm for 168 hours; and condition 2: the adhesive does not bring on a delamination and a blister between the substrates after keeping the laminate in a chamber which acts as a highly accelerated stress test system under pressurized steam conditions of 105° C. and 1.05 atm for 168 hours.
    • 本发明提供了一种用于密封太阳能电池的背面的片材,其中防止了由于构成太阳能电池的材料的水解导致的劣化,并且耐候性优异,使得太阳能电池的电输出特性能够保持不变 仅在实际使用太阳能电池模块的条件下,而且在高温高湿条件下进行评估的条件,并且提供用于密封太阳能电池的后表面的片材,其包括层压体,其中至少两个基底由聚氨酯 的粘合剂,其中所述聚氨酯类粘合剂包含具有耐水解性的粘合剂,其满足以下条件:条件1:在将层压体保持在作为其的室中后,粘合剂的层压强度为1N / 15mm以上 高加速应力测试系统在加压蒸汽条件为105℃和1.05大气压下168小时; 条件2:在105℃和1.05大气压的加压蒸汽条件下将层压体保持在作为高加速应力测试系统的室中168小时之后,粘合剂不会在基板之间引起分层和起泡。
    • 3. 发明授权
    • Sheet for sealing rear surface of solar cell
    • 用于密封太阳能电池表面的片材
    • US08507791B2
    • 2013-08-13
    • US12308572
    • 2007-06-21
    • Masayoshi SuzutaMasanobu YoshinagaIkuno ShimenoAtsushi TsujiiBungo YasuiSeiji Maeda
    • Masayoshi SuzutaMasanobu YoshinagaIkuno ShimenoAtsushi TsujiiBungo YasuiSeiji Maeda
    • H01L31/00B32B27/40B32B27/38
    • B32B27/06B32B7/12C08G18/44C08G18/6229C08G18/725C09J175/04H01L31/049Y02E10/50Y10T428/31515Y10T428/31551
    • The present invention provides a sheet for sealing a rear surface of a solar cell in which degradation due to hydrolysis of the material constituting the solar cell is prevented, and the weather resistance is excellent such that electric output properties of the solar cell can be maintained not only under conditions of actual usage of the solar cell module but also conditions for evaluation under high temperatures and high moistures, and provides a sheet for sealing a rear surface of a solar cell comprising a laminate in which at least two substrates are laminated by an polyurethane-based adhesive, wherein the polyurethane-based adhesive comprises an adhesive having hydrolysis resistance which satisfies the following conditions: condition 1: the lamination strength of the adhesive is 1 N/15 mm or more after keeping the laminate in a chamber which acts as a highly accelerated stress test system under pressurized steam conditions of 105° C. and 1.05 atm for 168 hours; and condition 2: the adhesive does not bring on a delamination and a blister between the substrates after keeping the laminate in a chamber which acts as a highly accelerated stress test system under pressurized steam conditions of 105° C. and 1.05 atm for 168 hours.
    • 本发明提供了一种用于密封太阳能电池的背面的片材,其中防止了由于构成太阳能电池的材料的水解导致的劣化,并且耐候性优异,使得太阳能电池的电输出特性能够保持不变 仅在实际使用太阳能电池模块的条件下,而且在高温高湿条件下进行评估的条件,并且提供用于密封太阳能电池的后表面的片材,其包括层压体,其中至少两个基底由聚氨酯 的粘合剂,其中所述聚氨酯类粘合剂包含具有耐水解性的粘合剂,其满足以下条件:条件1:在将层压体保持在作为其的室中后,粘合剂的层压强度为1N / 15mm以上 高加速应力测试系统在加压蒸汽条件为105℃和1.05大气压下168小时; 条件2:在105℃和1.05大气压的加压蒸汽条件下将层压体保持在作为高加速应力测试系统的室中168小时之后,粘合剂不会在基板之间引起分层和起泡。