Claims
- 1. A non-film molded article of a non-melt processable linear polymer derived by ring-opening polymerization of an oligomer (I) of formula: ##STR48## wherein n is an integer of 2 to 20 and in which each C in the oligomer is a radical of formula (II): ##STR49## and each X in the oligomer is a radical of formula --O--R--O-- or --S--R--S--, in which
- A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are each independently selected from hydrogen, aryl selected from the group consisting of phenyl, naphthyl and anthracyl, diphenylether or heteroaromatic radicals selected from the group consisting of pyridinyl, pyrazinyl, quinolinyl, thiophenyl, benzothiophenyl, furanyl and dibenzofuranyl, said aryl, diphenylether and heteroaromatic radicals being unsubstituted or substituted by a substituent selected from lower alkyl of 1 to 6 carbon atoms, lower alkoxy of 1 to 6 carbon atoms, lower thioalkyl of 1 to 6 carbon atoms, halogen, phenyl, naphthyl, anthracyl, diphenylether or heteroaromatic radicals selected from the group consisting of pyridinyl, pyrazinyl, quinolinyl, thiophenyl, benzothiophenyl, furanyl and dibenzofuranyl,
- B and D are both carbonyl groups CO, or
- B and D together represent a divalent radical of formula: ##STR50## wherein Ar.sub.3 is an aryl selected from the group consisting of phenyl, naphthyl and anthracyl, diphenylether or heteroaromatic radical selected from the group consisting of pyridinyl, pyrazinyl, quinolinyl, thiophenyl, benzothiophenyl, furanyl and dibenzofuranyl, unsubstituted or substituted by a substituent selected from lower alkyl of 1 to 6 carbon atoms, lower alkoxy of 1 to 6 carbon atoms, lower thioalkyl of 1 to 6 carbon atoms, halogen, phenyl, naphthyl, anthracyl, diphenylether or heteroaromatic radicals selected from the group consisting of pyridinyl, pyrazinyl, quinolinyl, thiophenyl, benzothio-phenyl, furanyl and dibenzofuranyl,
- Ar.sub.1 and Ar.sub.2 are each phenylene radicals, unsubstituted or substituted 1 to 4 times by a substituent selected from lower alkyl of 1 to 6 carbon atoms, lower alkoxy of 1 to 6 carbon atoms, lower thioalkyl of 1 to 6 carbon atoms, halogen, phenyl, naphthyl, anthracyl, diphenylether or heteroaromatic radicals selected from the group consisting of pyridinyl, pyrazinyl, quinolinyl, thiophenyl, benzothiophenyl, furanyl and dibenzofuranyl,
- R is arylene selected from the group consisting of phenylene, naphthylene, anthracylene, thiobisphenyl, sulfonylbisphenyl and alkylidinylbisphenyl of formula
- --Ph--R.sub.1 --Ph--
- in which R.sub.1 is a straight chain or branched alkylene of 1 to 6 carbon atoms and Ph is phenylene, in which each arylene and phenylene moiety is unsubstituted or substituted by lower alkyl of 1 to 6 carbon atoms, lower alkoxy of 1 to 6 carbon atoms, lower thioalkyl of 1 to 6 carbon atoms, halogen, phenyl, naphthyl, anthracyl, diphenylether or heteroaromatic radicals selected from the group consisting of pyridinyl, pyrazinyl, quinolinyl, thiophenyl, benzothiophenyl, furanyl and dibenzofuranyl, and the alkylidine moiety of said aralkylidinylphenylene is unsubstituted or fluoro-substituted alkylidine.
- 2. A molded article of claim 1, wherein said oligomer is a cyclic polyketone wherein B and D are both carbonyl groups.
- 3. A molded article of claim 1, wherein said oligomer is a cyclic polyketone wherein X is --O--R--O--, and R is selected from dimethylmethylidinylbisphenol, diethylmethylidinyl-bisphenyl, biphenylene, thiobisphenyl and di-tri-fluoro-methylidinylbisphenyl.
- 4. A molded article of claim 1, wherein said oligomer is a cyclic polyketone wherein Ar.sub.1 and Ar.sub.2 are both phenylene and A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are independently selected from hydrogen and phenyl.
- 5. A molded article of claim 1, wherein said oligomer is a cyclic polyphthalazine wherein B and D represent said divalent radical of formula (III) whereby B and D form part of a pyridazine ring.
- 6. A molded article of claim 1, wherein said oligomer is a cyclic polyphthalazine wherein A.sub.1 and Ar.sub.2 are both phenylene; A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are all hydrogen; and X is --O--R--O--, in which R is spirobiindanebisphenyl or dimethylmethylidinylbisphenyl.
- 7. A molded article of claim 1, wherein said oligomer is a cyclic polyisoquinoline wherein B and D represent said divalent radical of formula (IV) whereby B and D form part of a pyridine ring.
- 8. A molded article of claim 1, wherein said oligomer is a cyclic polyisoquinoline wherein A.sub.1 and Ar.sub.2 are both phenylene; A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are independently selected from hydrogen and phenyl; and X is --O--R--O--, wherein R is dimethylmethylidinylbisphenyl or sulfonylbisphenyl.
- 9. A molded article of claim 1, wherein said cyclic oligomer contains two different radicals C of said formula (II).
- 10. A molded article of claim 1, wherein said oligomer contains two different radicals X.
- 11. A molded article of claim 1, wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are independently selected from hydrogen and said unsubstituted or substituted phenyl.
- 12. A molded article of claim 11, wherein at least two of A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are unsubstituted or substituted phenyl.
- 13. A molded article of claim 12, wherein A.sub.1 and A.sub.4 are said unsubstituted or substituted phenyl and A.sub.2 and A.sub.3 are hydrogen.
- 14. A molded article of claim 12, wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are all said unsubstituted or substituted phenyl.
- 15. A molded article of claim 3, wherein A.sub.1 and A.sub.4 are both unsubstituted phenyl.
- 16. A molded article of claim 14, wherein A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are all unsubstituted phenyl.
- 17. A molded article of claim 12, wherein B and D are both carbonyl groups CO.
- 18. A molded article of claim 15, wherein B and D are both carbonyl groups CO.
- 19. A molded article of claim 16, wherein B and D are both carbonyl groups CO.
- 20. A molded article of claim 1, in the form of an advanced composite containing carbon fibers.
Parent Case Info
This is a Division of application Ser. No. 08/204,065, filed Mar. 1, 1994, now U.S. Pat. No. 5,405,956.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
5107029 |
Walker, Jr. et al. |
Apr 1992 |
|
5306789 |
Hay et al. |
Apr 1994 |
|
5338881 |
Walker, Jr. et al. |
Aug 1994 |
|
Divisions (1)
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Number |
Date |
Country |
Parent |
204065 |
Mar 1994 |
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