| abstract |
When the heat resistance test of 100-150 degreeC atmosphere is performed, the physical property, especially a permanent compression strain is stabilized, and the photocurable sealing agent with stable application | coating shape and storage stability is provided. (A) component: Main skeleton is a polymer of a (meth) acrylic-type monomer, A compound which has one (meth) acryl group in a sock end, (B) Component: Main skeleton is a polymer of a (meth) acrylic-type monomer, Only at one end The compound which has one (meth) acryl group, and (C) component: photoinitiator are provided, The mass ratio of said (A) component and (B) component is 3: 7-8: 2, The photocurable composition is provided. |