Thermally conductive polymer

Abstract

and L is selected from O, S, C=O, COO, CONR5, NR5, Si(R6)2 C(R7)2 and an optionally substituted chain of methylene (-CH2-) groups wherein one or more non-adjacent methylene groups may be replaced with O, S, C=O, COO, CONR5, NR5 or Si(R6)2 wherein R5 is H or a substituent; each R6 is independently a substituent; and each R7 is independently a substituent; one of Y1 and Y2 is CR1 wherein R1 is H or a substituent; and the other of Y1 and Y2 is N; and one of Y3 and Y4 is CR1; and the other of Y3 and Y4 is N.

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