| 摘要 |
<p>Biphenylene-bridged phenol novolak resins represented by the general formula (2), which consist of products of reaction of a biphenyl compound represented by the general formula (1) with a phenol mixture containing at least one dihydric phenol: (1) (wherein X is alkoxy having 1 to 4 carbon atoms or halogeno) (2) (wherein R1, R2 and R3 are each independently substituted or unsubstituted, linear or branched alkyl having 1 to 10 carbon atoms or substituted or unsubstituted aryl, with the proviso that R1's, R 2's, and R3's may be each the same or different from each other; p1 and p3 are each an integer of 1 to 4; p2 is an integer of 1 to 3; n is an integer of 0 to 15; m1, m2 and m3 are each an integer of 1 or 2 and m2's may be the same or different from each other, with the proviso that a case wherein all of m1, m2 and m3 are 1 and a case wherein all of m1, m2 and m3 are 2 are excepted).</p> |
