| 摘要 |
The invention relates to a silicone gel composition for sealing a solar cell, the silicone gel composition comprising a cured gel, having excellent discoloration resistance and optical transparency, and containing (A) 100 parts by mass of an organopolysiloxane having at least one silicon atom-bonded alkenyl group in the molecule and represented by the average compositional formula (I): (R1)a(R2)bSiO(4-a-b)/4 (where R1 represents a C2-8 alkenyl group, R2 represents a C1-10 monovalent hydrocarbon group containing no aliphatic unsaturated bonds, and a and b are 0 < a < 3 and 0 < b < 3, and are numbers such that 0 < a + b < 4), (B) an organohydrogenpolysiloxane having at least two SiH groups per molecule and used in an amount at which the content of SiH groups is 0.8-3 mol per mole of silicon atom-bonded alkenyl groups in component (A), and (C) a platinum catalyst in a catalytic quantity, the chlorine content determined by neutralization titration according to the oxygen flask combustion method being 2 ppm or less in relation to the total amount of components (A)-(C). |
