| abstract |
PROBLEM TO BE SOLVED: To provide a polysiloxane capable of forming a thick, high heat resistant cured film, a composition containing the same, and a method of producing a cured film using the same. SOLUTION: The following formula (Ib): (Wherein each R 2 is independently hydrogen, alkyl, aryl or alkenyl etc.), The polysiloxane containing the repeating unit represented by, the composition containing it, and provision of the manufacturing method of a cured film using it. 【Selection chart】 None |