Claims
- 1. An imido polymer comprising the copolymerizate of (a) at least one N,N'-bis(maleimide), with (b) at least one hindered diprimary diamine having the general formula (II): ##STR17## in which the symbols R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which are identical or different, are each a methyl, ethyl, propyl or isopropyl radical; and the symbols Z, which are identical or different, are each a hydrogen atom or a chlorine atom; or the general formula (III): ##STR18## which the amino radicals are in the meta or para position relative to each other; and the symbols R.sub.5, which are identical or different, are each a methyl, ethyl, propyl or isopropyl radical; and (c.sub.2) an admixture of at least one N-[(meth)allyloxyphenyl]maleimide with at least one N-(meth)-allyloxy-(meth)allylphenyl]maleimide.
- 2. The imido polymer as defined by claim 1, said admixture (c.sub.2) further comprising at least one N-[(meth)allyloxy-di(meth)allylphenyl]maleimide.
- 3. The imido polymer as defined by claim 1, comprising the copolymerizate of (a), (b), and (c.sub.2), and (c.sub.3) at least one vinylpyridine, N-vinylpyrrolidone, allylisocyanurate or vinyltetrahydrofuran.
- 4. A copolymerizable composition of matter comprising the components (a), (b), and (c.sub.2) as defined by claim 1, and (d) a catalytically effective amount of an imidazole compound.
- 5. The composition of matter as defined by claim 4, said imidazole compound (d) having the general formula (VII): ##STR19## in which R.sub.6, R.sub.7, R.sub.8 and R.sub.9, which are identical or different, are each a hydrogen atom, an alkyl or alkoxy radical having from 1 to 20 carbon atoms, or a vinyl phenyl or nitro radical, or R.sub.8 and R.sub.9 together form, with the carbon atoms from which they depend, a single ring member, or R.sub.6 is a carbonyl imidazole ring group.
- 6. The imido polymer as defined by claim 1, said at least one N,N'-bis(maleimide) (a) having the general formula (I): ##STR20## in which the symbols Y, which are identical or different, are each H, CH.sub.3 or Cl; and the symbol A is a divalent hydrocarbyl radical, or a radical of the formula: ##STR21## in which T is a single valence bond of T is a group or atom below: ##STR22## and the symbols X, which are identical or different, are each a hydrogen atom or a methyl, ethyl or isopropyl radical.
- 7. The imido polymer as defined by claim 6, wherein the ratio of the number of moles of the at least one N,N'-bis(maleimide) (a) to the number of moles of the at least one hindered diprimary diamine (b) ranges from 1.1:1 to 20:1.
- 8. The imido polymer as defined by claim 7, said ratio ranging from 2:1 to 5:1.
- 9. A thermosetting prepolymer of the imido polymer as defined by claim 1, soluble in polar organic solvents, and having a softening point at a temperature less than 200.degree. C.
- 10. A thermosetting crosslinked prepolymer of the imido polymer as defined by claim 1.
- 11. A shaped article comprising the thermosetting imido polymer as defined by claim 9.
- 12. A shaped article comprising the thermoset imido polymer as defined by claim 10.
- 13. The imido polymer as defined by claim 1, said at least one N,N'-bis(maleimide) (a) comprising N,N'-(meta-phenylene)bis(maleimide); N,N'-(paradiphenylmethane)bis(maleimide); N,N'-diphenyl ether)bis(maleimide); N,N'-(4,4'-diphenyl sulfone)bis(maleimide); N,N'-(1,4-cyclohexylene)bis(maleimide); N,N'-[4,4'-(1,1-diphenylcyclohexylidene)]bis(maleimide); N,N'-[4,4'-(2,2-diphenylpropane)]bis(maleimide); N,N'-(4,4'-triphenylmethane)bis(maleimide); N,N'-(2-methyl-1,3-phenylene)bis(maleimide); N,N'-(4-methyl-1,3-phenylene)bis(maleimide); or N,N'-(5-methyl-1,3-phenylene)bis(maleimide).
- 14. The imido polymer as defined by claim 1, said at least one hindered diprimary diamine (b) comprising 4,4'-diamino-3,3',5,5'-tetramethyldiphenylmethane; 4,4'- diamino-3,3',5,5'-tetraethyldiphenylmethane; 4,4'-diamino-3,5-dimethyl-3',5'-diethyldiphenylmethane; 4,4'-diamino-3,3'-diethyl-5,5'-dimethyldiphenylmethane, 4,4'-diamino-3,3',5,5'-tetraisopropyldiphenylmethane, 4,4'-diamino-3,3'-diisopropyl-5,5'-dimethyldiphenylmethane; 4,4'-diamino-2,2'-dichloro-3,3',5,5'-tetraethyldiphenylmethane; 1,3-diamino-2,4-diethyl-6-methylbenzene; 1,3-diamino-2-methyl-4,6-diethylbenzene; or mixtures thereof.
- 15. An imido polymer comprising a copolymerizate of a comonomer reactant mixture comprising (a) at least one N,N'-bis(maleimide), and (b) at least one hindered diprimary diamine having the general formula (II): ##STR23## in which the symbols R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which are identical or different, are each a methyl, ethyl, propyl or isopropyl radical; and the symbol Z is a chlorine atom.
Priority Claims (1)
Number |
Date |
Country |
Kind |
86/17918 |
Dec 1986 |
FRX |
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Parent Case Info
This application is a continuation, of Application Ser. No. 07/497,721, filed Mar. 2, 1990, now abandoned, which is a continuation, of application Ser. No. 134,068, filed Dec. 17, 1987, now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4035345 |
Ducloux et al. |
Jul 1977 |
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4435560 |
Takahashi et al. |
Mar 1984 |
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4777237 |
Dien et al. |
Oct 1988 |
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Continuations (2)
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Number |
Date |
Country |
Parent |
497721 |
Mar 1990 |
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Parent |
134068 |
Dec 1987 |
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