Claims
- 1. A heat-curable mixture comprising
- (a) 10-90% by weight of at least one compound of formula I ##STR21## (b) 90-10% by weight of at least one compound of formula II ##STR22## wherein n is 1 or 2 and m is 2 or 3,
- R when n is 1, is a hydrogen atom, C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.6 alkenyl, C.sub.5 -C.sub.8 cycloalkyl, C.sub.6 -C.sub.10 aryl or benzyl, or when n is 2, is --C.sub.p H.sub.2p --, wherein p is 2 to 20, or is C.sub.6 -C.sub.10 arylene or a group of the formula III ##STR23## wherein T is methylene, isopropylidene, --CO--, --S-- or --SO.sub.2, R' is an organic radical of valency m which contains 2 to 30 carbon atoms, and
- R.sub.1, R.sub.2 and R.sub.3 are each independently a hydrogen atom or a methyl group; and
- (c) a maximum of 30%, based on the total weight of (a) and (b), of at least one compound which is able to react with component (b), said component (c) corresponding to the formulae ##STR24## wherein T.sub.2 is a direct bond, or T.sub.2 is methylene, isopropylidene, --O--, --S--, --SO-- or --SO.sub.2 --, ##STR25## wherein R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are each independently a hydrogen atom, an allyl or propenyl group, with the proviso that at least one of R.sub.4 to R.sub.7 is a propenyl group, and T is as previously defined, ##STR26## wherein R.sub.4, R.sub.5 and R.sub.6 are as previously defined and at least one of R.sub.4 to R.sub.6 is a propenyl group, and ##STR27## wherein R.sub.8, R.sub.9, R.sub.10, R.sub.11, R.sub.12 and R.sub.13 are each independently a hydrogen atom, C.sub.1 -C.sub.4 alkyl, allyl or propenyl, with the proviso that at least one of R.sub.8 to R.sub.13 is a propenyl group, and a is a value from 0 to 10.
- 2. A mixture according to claim 1, wherein each of R.sub.1 and R.sub.2 is a hydrogen atom.
- 3. A mixture according to claim 1, wherein each of R.sub.1 and R.sub.2 is a hydrogen atom and R, when n is 1, is hydrogen, C.sub.1 -C.sub.8 alkyl, allyl, cyclohexyl, phenyl or benzyl; or, when n is 2, R is --(CH.sub.2).sub.p --, in which p is 2 to 12, m- or p-phenylene, or is a group of formula III, wherein T is the methylene group, --O-- or --SO--.sub.2.
- 4. A mixture according to claim 1, wherein each of R.sub.1 and R.sub.2 is a hydrogen atom and R, when n is 1, is allyl or, when n is 2, is --(CH.sub.2).sub.6 --, ##STR28##
- 5. A mixture according to claim 1, which contains, as component (a): N-allyl-allylbicyclo[2.2.1]hept-5-ene-2,3-dicarboximide, bis[4(allylbicyclo)[2.2.1]hept-5-ene-2,3-dicarboximidophenyl)]methane or N,N'-hexamethylene-bis(allylbicyclo[2.2.1]hept-5-ene-2,3-dicarboximide), or a mixture thereof.
- 6. A mixture according to claim 1, wherein m is 2, R.sub.3 is a hydrogen atom and R' is --(CH.sub.2).sub.p --, in which p is 2 to 12, m- or p-phenylene, m- or p-xylene, 1,4-cyclohexylene, 1,4-bis-(methylene)cyclohexylene, the radical of 4,4'-bicyclohexylmethane or is a radical of the formula VIIa ##STR29## wherein T.sub.1 is --O--, --CH.sub.2 -- or --SO.sub.2 --.
- 7. A mixture according to claim 1, which contains N,N',4,4'-diphenylmethane-bismaleimide as component (b).
- 8. A mixture according to claim 1, wherein each of R.sub.4 and R.sub.6 is a propenyl group and each of R.sub.5 and R.sub.7 is a hydrogen atom, and T is methylene, isopropylidene or --O--.
- 9. A mixture according to claim 1, which contains component (a) in an amount of 20 to 50% by weight, component (b) in an amount of 50-80% by weight, and component (c) in a maximum amount of 25% by weight, based on the sum of (a)+(b).
- 10. A mixture according to claim 1, which contains, as component (c), a compound of the formula ##STR30##
- 11. A process for the preparation of a moulded article, coating or bond by curing a curable mixture as claimed in claim 1.
Priority Claims (1)
Number |
Date |
Country |
Kind |
4389/84 |
Sep 1984 |
CHX |
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Parent Case Info
This is a divisional of application Ser. No. 773,724 filed on Sept. 9, 1985, now U.S. Pat. No. 4,666,997.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4666997 |
Renner et al. |
May 1987 |
|
4678849 |
Liu et al |
Jul 1987 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
773724 |
Sep 1985 |
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