Patent ID: 8337982
Filing Date: 2012-12-25
Classification: C08G,H01L,Y10T

Abstract:
1. A benzoxazole resin precursor comprising a repeating unit obtained by reaction of a bisaminophenol compound and a dicarboxylic acid compound, wherein the repeating unit is: a repeating unit obtained by reaction of a bisaminophenol compound having a diamondoid structure and a dicarboxylic acid compound having no diamondoid structure and is represented by following formula [1]: wherein R k represents an integer of 2 to 1,000; X in formulae [2-1] and [2-2], Adm representing adamantyl group which is a smallest unit of the diamondoid structure, p representing a number of 2 or greater and 12 or smaller, and i representing a number of 1 or greater and 12 or smaller, in formulae [3], Adm representing adamantyl group which is a smallest unit of the diamondoid structure, p representing a number of 1 or greater and 12 or smaller, X2 representing ethynyl group or propargyl ether group, Z representing —O—, —SO2-, —CH2-, —C(CH3)2-, —C(CF3)2- or an aromatic group, Ar representing an aromatic group having a functionality of 3 or greater, r representing 0 or 1, and q representing an integer of 1 to 4; and Y W representing at least one group selected from groups expressed by following formulae [5]: a group represented by following formulae [6-1]: a group represented by following formulae [6-2] a group represented by following formulae [7-1]: a group represented by following formulae [7-2] R representing an organic group, and