*

::: 技術移轉

專利名稱 Process for preparing a laminated composite of condensation type silicone rubber and polyurethane by induce surface reconstruction
專利證號 US6358455B1
國別 美國
獲證日期 2002-03-19
專利摘要 Induced surface reconstruction of silicone rubber by blending silicone gel reactants with a modified and curing with a mold having high critical surface tension was used to improve the adhesion of chemically inert silicone rubber to polyurethane. The modifier has the following formula wherein m=25Ã50; R 1, R 2, R 3, R 4, R 11and R 12independently are alkyl; R' is R or OR, wherein R is a polymer backbone having a molecular weight of 1000Ã20000. The mold is formed with a material having a critical surface tension greater than that of a polymer having a repeating unit of said R. Induced surface reconstruction of silicone rubber by blending silicone gel reactants with a modified and curing with a mold having high critical surface tension was used to improve the adhesion of chemically inert silicone rubber to polyurethane. The modifier has the following formulawherein m=25~50; R1, R2, R3, R4, R11 and R12 independently are alkyl; R' is R or OR, wherein R is a polymer backbone having a molecular weight of 1000~20000. The mold is formed with a material having a critical surface tension greater than that of a polymer having a repeating unit of said R.

IPC國際分類號

B29C003902 | B32B002728 | B32B002740 | C08J000704 | B29C003502 | B29C006724