摘要:
Molding compositions comprise A) at least one polyarylene ether sulfone, B) at least one aliphatic polyamide, C) at least one filler, and also if desired D) an impact-modifying rubber or a mixture of various impact-modifying rubbers, and E) an additive or a mixture of various additives wherein the viscosity number of the polyamides B (measured in 0.5% strength by weight solution in 96% strength by weight sulfuric acid to DIN 53 727) is at least 180 ml/g, and the molding compositions comprise F) from 100 ppm to 0.5% by weight, based on the total weight of A to E, of copper bromide or copper iodide or a mixture of these.
摘要:
Preparation of high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 50 mol % by polymerization of isobutene or isobutene-comprising monomer mixtures in the presence of Lewis acids suitable as polymerization catalysts or of complexes which are effective as polymerization catalysts and are formed from Lewis acids and donors, and in the presence of initiators, wherein the initiators used are organic sulfonic acids Z—SO3H in which the variable Z denotes an alkyl radical, haloalkyl radical, cycloalkyl radical, aryl radical or arylalkyl radical.
摘要:
Oxime esters of substituted quinoline-8-carboxylic acids of the formula ##STR1## where X is hydrogen, C.sub.1 -C.sub.4 -alkyl or halogen, Z is hydrogen or methyl, R.sup.1 is C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxymethyl, C.sub.1 -C.sub.4 -alkoxyethyl, C.sub.1 -C.sub.4 -alkylthiomethyl, C.sub.1 -C.sub.4 -alkylthioethyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.3 -C.sub.6 -alkenyl or C.sub.5 -C.sub.8 -cycloalkyl, each of which is unsubstituted or bears up to 3 methyl substituents, hydrogen, cyano, acetyl, benzoyl, unsubstituted benzyl or phenyl, or benzyl or phenyl bearing up to 3 substitutents selected from the group consisting of halogen, cyano, trifluoromethyl, C.sub.1 -C.sub.4 -haloalkyloxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkyl, hydroxy, dimethylamino or acetamino, R.sup.2 is hydrogen if R.sup.1 is not hydrogen, R.sup.2 further denotes C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxymethyl, chloromethyl, azolylmethyl, 1,1-dimethoxymethyl, cyano, C.sub.1 -C.sub.4 -alkoxycarbony, C.sub.1 -C.sub.4 -alkoxy, phenyl if R.sup.1 is H, CH.sub.3 or acetyl, or R.sup.2 denotes, when R.sup.1 is H or methyl, furyl, tetrahydrofuryl, thienyl, tetrahydropyranyl, tetrahydrothiopyranyl, dihydro-.DELTA..sup.3 -pyranyl or dihydro-.DELTA..sup.3 -thiopyranyl; further, R.sup.1 and R.sup.2, together with the carbon atom to which they are linked, denote C.sub.1 -C.sub.12 -cycloalkylidene, C.sub.5 -C.sub.6 -cycloalkenylidene or 4-oxacyclohexadienylidene, each of which is unsubstituted or bears up to 3 methyl substituents, it being possible, where the ring is 5-membered or 6-membered, or doubly unsaturated 6-membered, for it to contain an oxygen or sulfur atom, their preparation, and their use as herbicides.
摘要:
A process for producing an isobutene copolymer derivative by: (I) free-radically copolymerizing (a) 10-90 mol % of a monoethylenically unsaturated C4- to C12-dicarboxylic acid, anhydride, or ester, (b) 10-90 mol % of a high-reactivity isobutene polymer having Mn=110-250000 and obtained by polymerizing isobutene in the presence of an iron-halide-, aluminum trihalide-, or alkylaluminum halide-donor complex, each donor being an ether or carboxylic ester function, or in the presence of a Lewis acid complex containing an organic sulfonic acid, and (c) 0-50 mol % of a monoethylenically unsaturated compound copolymerizable with (a) and (b), to obtain an intermediate isobutene copolymer; and (II) reacting the carboxylic acid functions in the intermediate with at least one of ammonia, an amine, and an alcohol, to form a moiety containing at least one of a hydroxyl, carboxylic ester, amino, quaternized amino, amido, and imido group.
摘要:
4,4'-Dihydroxyterphenyl is prepared by sulfonating terphenyl with sulfuric acid, sulfur trioxide, a mixture thereof or chlorosulfonic acid and then treating the resulting terphenyl-4,4'-disulfonic acid, which may be first converted into a dialkali metal salt, with an alkali metal hydroxide.
摘要:
Benzophenones are prepared by condensing benzoic acids and aromatics of the benzene series by means of boron trifluoride in nitrobenzene as reaction medium.
摘要:
A process for preparing isobutene homo- or copolymer derivatives by (i) polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an iron halide-donor complex, an aluminum trihalide-donor complex, or an alkylaluminum halide-donor complex, (ii) reacting a resulting high-reactivity isobutene polymer with a compound which introduces a low molecular weight polar group or a substructure thereof, and (iii) in the case of reaction with a substructure, further reacting to complete the formation of the low molecular weight polar group. The homo- or copolymer derivatives include a radical of a hydrophobic polyisobutene polymer having a number-average molecular weight of 110 to 250,000 and low molecular weight polar groups including amino functions, nitro groups, hydroxyl groups, mercaptan groups, carboxylic acid or carboxylic acid derivative functions, sulfonic acid or sulfonic acid derivative functions, aldehyde functions and/or silyl groups.
摘要:
Aromatic hydroxycarboxylic acids of the formula(HO--).sub.n A--COOHwhere n is 1 or 2 and A is a radical from the benzene, naphthalene, biphenyl, diphenyl ether, diphenyl sulfide or diphenyl sulfone series, are prepared by a process in which an acylated aromatic compound of the formula(R.sup.1 --CO--O--).sub.n A--CO--R.sup.2where R.sup.1 and R.sup.2 independently of one another are each unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl and n and A each have the abovementioned meanings, is oxidized with oxygen in the presence of a catalyst and of a solvent at from 20.degree. to 250.degree. C. to give a carboxylic acid of the formula(R.sup.1 --CO--O--).sub.n A--COOHwhere R.sup.1, n and A have the abovementioned meanings, and the acyl group or groups is or are then eliminated.
摘要:
Quinoline derivatives of the formula ##STR1## where R.sup.1, X, Y and Z have the meanings given in the disclosure, herbicides containing these compounds as active ingredients, and a process for combating unwanted plant growth.
摘要:
Preparation of high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 50 mol % by polymerization of isobutene or isobutene-comprising monomer mixtures in the presence of Lewis acids suitable as polymerization catalysts or of complexes which are effective as polymerization catalysts and are formed from Lewis acids and donors, and in the presence of initiators, wherein the initiators used are organic sulfonic acids Z—SO3H in which the variable Z denotes an alkyl radical, haloalkyl radical, cycloalkyl radical, aryl radical or arylalkyl radical.