Polybenzoxazole precursor and coating composition using the same
AssigneeKansai Paint Co., Ltd.
InventorsMitsuru Ueda, Kazuya Ebara, Kenji Miyagawa, Kazuo Yamanaka, Yoichi Yonehara
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Abstract
Provided is a polybenzoxazole precursor having a high purity which does not contain ionic by-products. The above polybenzoxazole precursor comprises a repetitive unit represented by Formula (1): 1 wherein A1 represents a tetravalent aromatic group; N and OH which are bonded to A1 are paired, and the respective pairs of N and OH are bonded to carbons which are adjacent to each other on the same aromatic ring; A2 represents a divalent organic group; and n represents a number of 2 to 300.
Claims10
A polybenzoxazole precursor having a repetitive unit represented by Formula (1):
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- wherein A1 represents a tetravalent aromatic group;
- N and OH which are bonded to A1 are paired, and the respective pairs of N and OH are bonded to carbons which are adjacent to each other on the same aromatic ring;
- A2 represents a divalent organic group;
- and n represents a number of 2 to 300.
Dependencies are inferred from the claim text.