Claims
- 1. A halogen-containing straight chain polyether comprising repeating units of the formula:
- --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a --(CHClCF.sub.2 CF.sub.2 O).sub.b --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c --(CHFCF.sub.2 CF.sub.2 O).sub.d --(CFClCF.sub.2 CF.sub.2 O).sub.e --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f --(I)
- wherein a, b, c, d, e and f are each an integer not less than 0 and satisfy the following equations:
- 2.ltoreq.a+b+c+d+e+f.ltoreq.200
- and
- 1.ltoreq.a+c+d+f.
- 2. A halogen-containing straight chain polyether according to claim 1, which is a fluorine-containing polyether comprising repeating units of the formula:
- --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a --
- (II)
- wherein a is the same as defined above.
- 3. A halogen-containing straight chain polyether according to claim 1, which is a fluorine-containing polyether comprising repeating units of the formula:
- --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a --(CHFCF.sub.2 CF.sub.2 O).sub.d --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f -- (III)
- wherein a, d and f satisfy the above requirements and the equation: 1.ltoreq.d+f.
- 4. A halogen-containing straight chain polyether according to claim 3, which is a perfluoropolyether comprising repeating units of the formula:
- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f --
- wherein f is the same as defined above.
- 5. A halogen-containing straight chain polyether according to claim 1, which is a fluorine/chlorine-containing polyether comprising repeating units of the formula:
- --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a --(CHClCF.sub.2 CF.sub.2 O).sub.b --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c --(CHFCF.sub.2 CF.sub.2 O).sub.d --(CFClCF.sub.2 CF.sub.2 O).sub.e --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f --(IV)
- wherein a, b, c, d, e and f satisfy the above requirements and the equation:
- 1.ltoreq.b+c+e.
- 6. A halogen-containing straight chain polyether according to claim 5, which is a fluorine/chlorine-containing polyether comprising repeating units of the formula:
- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.a --(CHClCF.sub.2 CF.sub.2 O).sub.b --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c -- (XVIII)
- wherein a, b and c are the same as defined above.
- 7. A halogen-containing polyether according to claim 1, which is a compound of the formula:
- F(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.q CH.sub.2 CF.sub.2 COOCH.sub.3
- wherein q is an integer of 0 to 9.
- 8. A halogen-containing polyether according to claim 1, which is a compound of the formula:
- I(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.r CH.sub.2 CF.sub.2 COOCH.sub.3
- wherein r is an integer of from 0 to 5.
- 9. A halogen-containing polyether according to claim 1, which is a compound of the formula:
- C.sub.3 F.sub.7 O(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.n CH.sub.2 CF.sub.2 COOCH.sub.3
- wherein n is an integer of 1 to 8.
- 10. A halogen-containing polyether according to claim 1, which is a compound of the formula:
- (CF.sub.3).sub.2 CFO(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.n CH.sub.2 CF.sub.2 COOCH.sub.3
- wherein n is an integer of 1 to 8.
- 11. A halogen-containing polyether according to claim 1, which is a compound of the formula:
- --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.p --(CHFCF.sub.2 CF.sub.2 O).sub.q --
- wherein the ratio of p to q is 7 to 3.
- 12. A halogen-containing polyether according to claim 1, which is a mixture of compounds having repeating units of the formula:
- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.r --(CHFCF.sub.2 CF.sub.2 O).sub.q
- wherein the ratio of r to q is 5 to 1.
- 13. A halogen-containing polyether according to claim 1, which is a compound of the formula:
- F(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.2 CH.sub.2 CF.sub.2 COF.
- 14. A halogen-containing polyether according to claim 1, which is a compound of the formula:
- F(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.2 CF.sub.2 CF.sub.3.
- 15. A halogen-containing polyether according to claim 1, wherein a is an integer of 2 to 200.
- 16. A halogen-containing polyether according to claim 1, wherein b is an integer of 2 to 200.
- 17. A halogen-containing polyether according to claim 1, wherein c is an integer of 2 to 200.
- 18. A halogen-containing polyether according to claim 1, wherein d is an integer of 2 to 200.
- 19. A halogen-containing polyether according to claim 1, wherein e is an integer of 2 to 200.
- 20. A halogen-containing polyether according to claim 1, wherein f is an integer of 2 to 200.
- 21. A halogen-containing straight chain polyether according to claim 1, which is an oily compound of the formula:
- F(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.n CF.sub.2 CF.sub.3
- wherein the average of n is 25.
Priority Claims (3)
Number |
Date |
Country |
Kind |
58-251069 |
Dec 1983 |
JPX |
|
59-58877 |
Mar 1984 |
JPX |
|
59-235610 |
Nov 1984 |
JPX |
|
Parent Case Info
This application is a continuation, of application Ser. No. 684,345 filed on Dec. 20, 1984, now abandoned.
US Referenced Citations (5)
Foreign Referenced Citations (6)
Number |
Date |
Country |
0120660 |
Aug 1971 |
CAX |
2008652 |
Jan 1970 |
FRX |
2320301 |
Mar 1977 |
FRX |
1401154 |
Apr 1985 |
FRX |
523910 |
Aug 1976 |
SUX |
1251300 |
Oct 1971 |
GBX |
Non-Patent Literature Citations (3)
Entry |
Translation of Russian 523910. |
Furukawa et al, "Polymerization of Aldehydrs and Oxides", Mir, Publishing House, Moscow, 1965, pp. 315-317. |
English Translation of Claims of French Patent 1,401,154. |
Continuations (1)
|
Number |
Date |
Country |
Parent |
684345 |
Dec 1984 |
|