Crosslinkable polymers of unsaturated imides
AssigneeCiba-Geigy Corporation
InventorsMartin Roth, Roland Darms, Josef Pfeifer
Life of this patent
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Abstract
New crosslinkable polymers, in particular polymerization products of 5-maleimidyl-isophthalic acid derivatives and 5-(nadic acid)-isophthalic acid derivatives and vinyl monomers and polycondensation products of the said isophthalic acid derivatives and diamines, diols or aminoalcohols and optionally a di-, tri- or tetra-carboxylic acid derivative are described. These polymers are distinguished by good processability and good solubility in customary organic solvents and are suitable for the manufacture of various industrial products, such as thin films, thick films and compression mouldings. sp This is a Divisional of application Ser. No. 696,349, filed on June 15, 1976, now U.S. Pat. No. 4,115,368, issued on Sept. 19, 1978.
Claims17
A crosslinkable polymer which has an average molecular weight of at least 1,000, or the corresponding cyclized imide derivative, which is characterized in that it consists of 0.5 to 100 mol % of recurring structural elements of the formula III ##STR40## and 0 to 99.5 mol % of recurring structural elements of the formula IV ##STR41## and contains at least three structural elements of the formula III, and the --CO-- groups in formula III are bonded to the benzene ring in the 2,3-, 3,4- or 3,5-position, m and n independently of one another represent the number 1 or 2,
- A.sub.2 represents a radical of the formula ##STR42## R.sub.2 and R.sub.3 independently of one another represent hydrogen, chlorine or bromine, X and Y are both --O-- or one of X and Y is --O-- and the other of X and Y represents ##STR43## where R.sub.4 is hydrogen, alkyl with 1 to 4 carbon atoms or phenyl,
- Q represents an aliphatic radical with at least 2 carbon atoms or a cycloaliphatic, araliphatic, carbocyclic-aromatic or heterocyclic-aromatic radical, and
- Q.sub.1 represents an aliphatic radical or represents a cycloaliphatic, carbocyclic-aromatic or heterocyclic-aromatic radical in which the carbonyl and carboxyl groups are bonded to different carbon atoms and the carboxyl groups are each in the ortho-position relative to a carbonyl group.
A crosslinkable polymer which has an average molecular weight of at least 1,000, which is characterized in that it consists of
- 0.5 to 100 mol % of recurring, structural elements of the formula I ##STR44## and of 0 to 99.5 mol % of recurring structural elements of the formula II ##STR45## and contains at least three structural elements of the formula I, and the --COR.sub.1 groups in formula I are bonded to the benzene ring in the 2,3-, 3,4- or 3,5-position, A.sub.1 represents a radical of the formula ##STR46## R.sub.1 represents a hydroxyl group, phenoxy;
- phenoxy substituted by one or two nitro groups, by one alkyl of 1 to 2 carbon atoms, by one alkoxy of 1 to 2 carbon atoms or by two to five halogen atoms;
- alkoxy of 1 to 18 carbon atoms or --O--M+,
- M+ represents an alkali metal cation, a trialkylammonium cation with 3-24 carbon atoms or a quaternary ammonium cation,
- R.sub.2 and R.sub.3 independently of one another represent hydrogen, chlorine or bromine,
- Z.sub.1 and Z.sub.3 each denote hydrogen, Z.sub.2 denotes hydrogen, chlorine or methyl and Z.sub.4 denotes hydrogen, methyl, ethyl, chlorine, --CN, --COOH, --CONH.sub.2, phenyl, methylphenyl, methoxyphenyl, cyclohexyl, pyridyl, imidazolyl, pyrrolidonyl, --COO--alkyl with 1 to 12 carbon atoms in the alkyl part, --COO--phenyl, ##STR47## --COO--alkyl--OH with 1-3 carbon atoms in the alkyl part, ##STR48## wherein R.sub.7 denotes a linear or branched saturated aliphatic radical with at most 10 carbon atoms, R.sub.8 denotes hydrogen or methyl and x denotes an integer from 1 to 3;--OCO--alkyl with 1-4 carbon atoms in the alkyl part, --OCO--phenyl, --CO--alkyl with 1-3 carbon atoms in the alkyl part, alkoxy with 1-6 carbon atoms, phenoxy, --CH.dbd.CH.sub.2 or ##STR49## or, Z.sub.1 and Z.sub.2 each represent hydrogen and Z.sub.3 and Z.sub.4 conjointly form a ##STR50## grouping.
Dependencies are inferred from the claim text.