Claims
- 1. A process for preparing a poly(aryl ether ketone) polymer comprising the following steps:
- (a) reacting (n) moles of HAr H with (n+1) moles of YCOAr.sub.1 COY under Friedel-Crafts polymerization conditions to yield
- YCOAr.sub.1 CO--ArCOAr.sub.1 CO).sub.n Y
- (b) reacting the product obtained in step (a) with 2XAr.sub.2 H under Friedel-Crafts polymerization conditions to yield
- XAr.sub.2 COAr.sub.1 --COArCOAr.sub.1 CO).sub.n Ar.sub.2 X
- (c) reacting the product obtained in step (b) with HOAr.sub.3 OH in the presence of a base and an aprotic solvent to yield
- --Ar.sub.2 COAr.sub.1 CO--ArCOAr.sub.1 CO].sub.n Ar.sub.2 OAr.sub.3 O).sub.x
- wherein Ar and Ar.sub.1 are divalent aromatic groups, Ar.sub.2 is a divalent aromatic group wherein the substituents X and CO are in para or ortho position relative to each other, Ar.sub.3 is a residue of a dihydric phenol, X and Y are halogen, n is an integer of 1 to 50 and X is one or greater.
- 2. A process as defined in claim 1 wherein the ingredients in steps (a) and (b) are simultaneously added to a reactor.
- 3. A process as defined in claim 1 in which steps (a) and (b) are carried out in the presence of a Friedel-Crafts catalyst.
- 4. A process as defined in claim 3 wherein the Friedel-Crafts catalyst is selected from aluminum chloride, antimony pentachloride, or ferric chloride.
Parent Case Info
This is a division of application Ser. No. 747,188, filed Jun. 21, 1985 now U.S. Pat. No. 4,908,425.
US Referenced Citations (15)
Foreign Referenced Citations (3)
Number |
Date |
Country |
0001879 |
May 1979 |
EPX |
0030033 |
Jun 1981 |
EPX |
2305456 |
Mar 1976 |
FRX |
Divisions (1)
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Number |
Date |
Country |
Parent |
747188 |
Jun 1985 |
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