To obtain the subject polymer excellent in electric insulation, heat resistance, etc., by compounding specific two kinds of recurrent units at a specific ratio and specifying a number average molecular weight.
This polymer has a recurrent unit A of formula I [(a) and (b) are each 0-2; (c) is 1, 2; R1 to R14 are each H or a (polar group-substituted) hydrocarbon, etc., one or more of R1 to R14 are alkenyl, etc., or R5 and R6, R11 and R12 or R13 and R14 are linked to each other to form one or more alkylidene, etc.] and a recurrent unit B of formula II [(d) and (g) are each 0-2; R15 to R25 are each H or a (polar group-substituted) hydrocarbon, etc., one or more of R15 to R25 are alkenyl, etc., or R19 and R20, and R22, R23 and R24 or R25 and R26 are linked to each other to form one or more alkylidene, etc., or R24 and R25 are linked to each other and form a CC double bond between two carbons on which the R24 and the R25 are respectively linked] at a ratio A:B=(100:0) to (30:70), and a number-average molecular weight of 500 to 500,000.
TSUNOKAI YASUO
WAKIZAKA YASUHIRO
| JPH03205408A | 1991-09-06 | |||
| JPH08259784A | 1996-10-08 |
| WO1996037526A1 | 1996-11-28 |