| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot melt sealing composition usable for a sealing material of a frame-less solar cell module, having reasonable fluidity at the melting temperature of the sealing material, and being excellent in insulation, waterproofness, steam barrier property, and durability.SOLUTION: A hot melt sealing composition includes a polyisobutylene having a weight-average molecular weight of 100,000 to 300,000, a moisture absorbent composed at least of unslaked lime or zeolite, a silane-modified polyolefin, and a filler. |
