(2,3,4,5,6-pentafluorobenzoyl) diphenyl ether compound, and fluorine-containing aryl ether ketone polymer

• US 6,172,181 B1
• Filed: 07/16/1999
• Issued: 01/09/2001
• Est. Priority Date: 06/29/1998
• Status: Expired due to Term

• Current Assignee: Nippon Shokubai Company Limited
• Original Assignee: Nippon Shokubai Company Limited
• Inventors: Yamashita, Yuhiko, Reddy, V. Sreenivasulu, Kimura, Kunio, Cassidy, Patrick E., Fitch, John W. III
• Primary Examiner(s): Truong, Duc
• Application Number:
  US09/354,976
• Time in Patent Office: 543 Days
• Field of Search: 528/401, 528/397, 528/205, 528/206, 528/220
• US Class Current: 528/401
• CPC Class Codes: C07C 45/46 Friedel-Crafts reactions
• CPC Class Codes: C07C 45/673 by change of size of the carbon skeleton
• CPC Class Codes: C07C 49/83 polycyclic
• CPC Class Codes: C07C 49/84 containing ether groups, groups, groups, or groups
• CPC Class Codes: C08G 65/4025 (I) or (II) containing fluorine other than as leaving group (X)

Abstract

A (2,3,4,5,6-pentafluorobenzoyl)diphenyl ether compound represented by the formula (I):

wherein R stands for a hydroxyl group or a group represented by

ether ketone polymer represented by the formula (II):

wherein n stands for a degree of polymerization, m is an integer of 0 or 1, and R¹ stands for a group represented by the formula (III):

wherein p is an integer 0 or 1 and R² stands for

Claims

1. A (2,3,4,5,6-pentafluorobenzoyl)diphenyl ether compound represented by the formula (I):

wherein R stands for a hydroxyl group or a group represented by the formula;

2. A (2,3,4,5,6-pentafluorobenzoyl)diphenyl ether compound according to claim 1, wherein R in the formula (I) stands for a hydroxyl group.

3. A (2,3,4,5,6-pentafluorobenzoyl)diphenyl ether compound according to claim 1, wherein R in the formula (I) stands for

4. A fluorine-containing aryl ether ketone polymer represented by the formula (II):

wherein n stands for a degree of polymerization, m is an integer of 0 or 1, and R¹ stands for a group represented by the formula (III);

wherein p is an integer 0 or 1 and R² stands for

5. A fluorine-containing aryl ether ketone polymer according to claim 4 and represented by the formula (IV):

wherein n stands for a degree of polymerization.

6. A fluorine-containing aryl ether ketone polymer according to claim 4 and represented by the formula (V):

wherein n stands for a degree of polymerization.

7. A fluorine-containing aryl ether ketone polymer according to claim 4 and represented by the formula (VI):

wherein n stands for a degree of polymerization and R³ stands for