发明名称 |
Fluorine-containing resin film and solar cell module |
摘要 |
Disclosed is a fluorine-containing resin film which is formed from a fluorine-containing resin composition and has a thickness of 10 to 50 μm, wherein the fluorine-containing resin composition is prepared by adding 10 to 30 parts by mass of titanium oxide or a composite-oxide-type inorganic pigment to 100 parts by mass of a resin component comprising 60 to 95 parts by mass of a vinylidene fluoride resin and 5 to 40 parts by mass of a methacrylic acid ester resin, and wherein the peak intensity ratio of a II-type crystal, which is expressed by (A)/((A)+(B))×100 wherein A represents the peak height at 840 cm−1 and B represents the peak height at 765 cm−1 in a measurement chart produced by an infrared absorption spectrum, is 60% or more and the total crystallinity is 30% or more as calculated from an X-ray diffraction profile. |
申请公布号 |
US9373495(B2) |
申请公布日期 |
2016.06.21 |
申请号 |
US201214357337 |
申请日期 |
2012.10.29 |
申请人 |
DENKA COMPANY LIMITED |
发明人 |
Komoda Fukumu;Sumino Tatsunori;Nakajima Koji |
分类号 |
B32B27/00;H01L21/02;C08J5/18;H01L31/049 |
主分类号 |
B32B27/00 |
代理机构 |
Oliff PLC |
代理人 |
Oliff PLC |
主权项 |
1. A fluorine-containing resin film of thickness 10 to 50 μm, formed from a fluorine-containing resin composition obtained by adding 10 to 30 parts by mass of a titanium oxide or composite oxide-containing inorganic pigment with respect to 100 parts by mass in total of resin components consisting of 60 to 95 parts by mass of a vinylidene fluoride-based resin and 5 to 40 parts by mass of a methacrylic acid ester-based resin, the fluorine-containing resin film having a II-type crystal peak intensity ratio, represented by (A)/((A)+(B))×100 where (A) is the peak height at 840 cm−1 and (B) is the peak height at 765 cm−1 in a measuring chart using an infrared absorption spectrum, of at least 60%; and an overall degree of crystallinity of at least 30% as calculated from an X-ray diffraction profile, wherein a melted resin consisting of the fluorine-containing resin composition is melt extrusion formed using a T-die process, thereby forming the fluorine-containing resin film and a converted heat quantity per unit time when cooling the melted resin is 70 to 180 kW per kg of melted resin according to the equation represented by Formula 1:
converted heat quantity=specific heat of resin composition (J/kg−C)×AT/cooling time (sec) Formula 1wherein ΔT=melted resin temperature−temperature after cooling. |
地址 |
Tokyo JP |