Abstract: A thermoplastic molding composition comprisesA) from 1 to 97% by weight of a thermoplastic polyesterB) from 1 to 97% by weight of a polycarbonateC) from 1 to 40% by weight of an elastomer containing oxazoline groups and having a glass transition temperature (T.sub.g).ltoreq.0.degree. C.D) from 0.05 to 5% by weight of a bisoxazolineE) from 0 to 70% by weight of other additives and processing aids,where the total of the percentages by weight of components A) to E) is 100%.

Abstract: A liquid crystalline compound, a polymeric product formed by polymerization of the liquid crystalline compound, a dental composition including the liquid crystalline compound and method of using the dental composition. Polymerization of the liquid crystalline compound results in an low volume percent shrinkage and a high conversion to polymer. The composition of the invention is useful for dental adhesive, primer, cement, pit and fissure sealant and restorative.

Abstract: A description is given of compounds of the formula I ##STR1## where r is 0 or 1 and y is a number from the range 1-3; X is a direct bond or --NR.sub.8 --, --CO--, --CONH-- or --COO-- or a divalent aliphatic or mixed aromatic-aliphatic C.sub.1 -C.sub.18 hydrocarbon radical;Z is an aromatic, aliphatic or mixed aromatic-aliphatic C.sub.3 -C.sub.18 hydrocarbon radical which is interrupted in the aliphatic moiety by one or more divalent functional groups, in each case in a carbon-carbon single bond, and/or in the aromatic or aliphatic moiety by one or more divalent functional groups, in each case in a carbon-hydrogen bond, possible functional groups being --O--, --NR.sub.8 --, --S--, --SO--, --SO.sub.

Abstract: Alkylalkoxysilyl-1,3-oxazolines, their production by reacting 2?-alkenyl!-1,3-oxazolines with alkylalkoxysilanes or cyano alkylene silane compounds with amino alcohols and the use of the compounds for modifying materials with siliceous surfaces.

Abstract: Polymers (A) containing oxazine groups are prepared by reacting a polymer (T) containing nitrile groups with a monoaminoalcohol in the presence of a catalyst by a process in which the polymer T is reacted in the melt with the monoaminoalcohol in the presence of the catalyst and in the absence of a solvent.

Abstract: A plasticized cellulose acetate is described with a content of a modified cellulose acetate A comprising a grafted oligomer of a cyclic ester, in particular in the form of .epsilon.-caprolactone, which comprises additionally a plasticizing agent in the form of an oligomer B of a cyclic ester, and the terminal carboxyl group of the oligomer is esterified with an alcohol or an alcohol derivative having at least one free hydroxyl group, with a boiling point of at least approximately 120.degree. C. and a melting point of no more than approximately 180.degree. C. and the ratio of weight of component A to B is represented by the formula (I)0.3.ltoreq.A/(A+B).ltoreq.0.95 (I).This plasticized cellulose acetate can be produced advantageously for example when an oligomer B in the form of the reaction product of a cyclic ester, in particular in the form of .epsilon.

Abstract: A polymer mixture reinforced by an in situ, melt-polymerized microphase whereby the rigidity of the base material is increased, a process for manufacturing same, and use thereof for providing reinforced compositions and articles in which the polymer mixture is prepared by polymerizing a component B in a melt of a component A composed of at least one thermoplastic polymer. Component B is composed of at least one compound having the structure ##STR1## The reaction of component B in a melt of component A results in linear, branched or cross-linked, high or low molecular weight polymers constituting a microphase. Preferably, the microphases have the form of microfibers. In the structure of component B, X is NH.sub.2, NHR.sup.3, OH or an N-substituted, Y-activated lactam of the ##STR2## type which is activated with an electrophilic substituent Y, where Y is CO, SO.sub.2, or R.sup.5 P.dbd.O; R.sup.1, R.sup.2 and R.sup.

Abstract: A polymer mixture reinforced by an in situ, melt-polymerized microphase whereby the rigidity of the base material is increased, a process for manufacturing same, and use thereof for providing reinforced compositions and articles in which the polymer mixture is prepared by polymerizing a component B in a melt of a component A composed of at least one thermoplastic polymer. Component B is composed of at least one compound having the structure ##STR1## The reaction of component B in a melt of component A results in linear, branched or cross-linked, high or low molecular weight polymers constituting a microphase. Preferably, the microphases have the form of microfibers. In the structure of component B, X is NH.sub.2, NHR.sup.3, OH or an N-substituted, Y-activated lactam of the ##STR2## type which is activated with an electrophilic substituent Y, where Y is CO, SO.sub.2, or R.sup.5 P=O; R.sup.1, R.sup.2 and R.sup.

Abstract: Compositions containing A) a copolymer based on at least one 1,3-diene and at least one polar, ethylenically unsaturated comonomer and B) a phenol-terminated polyurethane, polyurea or polyurea-urethane of the formula I ##STR1## in which m is 1 or 2, n is 2 to 6, R.sup.1 is the n-valent radical of an elastomeric prepolymer which is soluble or dispersible in epoxide resins, X and Y independently of one another are --O-- or --NR.sup.3 --, it being necessary for one of these groups to be --NR.sup.3 --, R.sup.2 is an m+1-valent radical of a polyphenol or aminophenol after the removal of the phenolic hydroxy group(s) or the amino group or both the amino group and the phenolic hydroxyl group, respectively, and R.sup.3 is hydrogen, C.sub.1 -C.sub.6 alkyl or phenyl, are described.Compounds containing the components A) and B) as well as an epoxide resin C) are also described.The cured products are distinguished by a high peel strength and high resistance to crack propagation.

Abstract: Polyolefins and olefin copolymers which are prepared by polymerization on a catalyst made from a magnesium halide, a titanium compound and an aluminium alkyl can be stabilized by the addition of certain sterically hindered triazinylpiperidines, which are substituted in the 1-position, to the polymerization.

Abstract: The invention relates to compositions containing A) a liquid copolymer based on butadiene and at least one polar, ethylenically unsaturated comonomer, and B) a polyether prepolymer capped with hydroxyarylcarboxylic or hydroxyaralkylcarboxylic acids, or a capped polyester, polythioester or polyamide containing polyether segments. The phenolic hydroxyl group in component B) can also be etherified with epichlorohydrin and this product can be converted to a episulfide, if desired, or the phenolic hydroxyl group can be reacted with cyanogen halide to form a cyanate group.The stock compositions can be used in combination with epoxy resins to manufacture structural adhesives or sealing compounds.

Abstract: Compounds of general formula I ##STR1## wherein R.sup.2 is hydrogen unsubstituted C.sub.1 -C.sub.6 alkyl or C.sub.1 -C.sub.6 alkyl substituted by --OH, --CN or by --Si(OR.sup.3).sub.3-q R.sup.4.sub.q, or C.sub.2 -C.sub.6 alkenyl,R.sup.3 is C.sub.1 -C.sub.4 alkyl, or two radicals R.sup.3 together are C.sub.1 -C.sub.4 alkylene,R.sup.4 is C.sub.1 -C.sub.4 alkyl or phenyl, andq is from 0 to 2, andE is a radical of the formula ##STR2## wherein R.sup.5 is hydrogen or C.sub.1 -C.sub.4 alkyl andR.sup.6 is hydrogen, orR.sup.5 and R.sup.6 together are C.sub.4 -C.sub.8 alkylene, orandA is --(CH.sub.2).sub.r --O--, wherein r is 1,2 or 3, and p is 0 or 1, andY is oxygen or sulfur; andwhereinT is a radical --R.sup.9 --Si(OR.sup.3).sub.3-q R.sup.4.sub.q, a radical of the formula ##STR3## X is --S-- or --NH--, and Z is an organic radical derived from a polyisocyanate or polyisothiocyanate having at least 2 NCO or NCS groups, respectively,are suitable as adhesion promoters, especially for moisture-curing polyurethane resins.

Abstract: Self-adhesive reinforcing material comprisinga) a UV-transparent plastic film to whichb) a woven fabric impregnated with a partially acrylate-modified epoxy resin is applied which, on the side facing away from the film a), is coated withc) a layer of an epoxy resin which again is partially acrylate-modified, the resins of b) and c) being converted by UV irradiation to a gelled state which can be further cured by heat, and containing a heat-activatable hardener component, andd) a release paper applied to the side opposite the film a), is very suitable for reinforcing sheet metal.

Abstract: Curable compositions containingA) an epoxy resin having on average more than one epoxy group per molecule,B) a carboxylic anhydride curing agent for component A) andC) about 5 to 40% by weight, relative to the amount of the components A), B) and C), of a liquid mixture of C1) a polyalkylene glycol based on polypropylene glycol or polybutylene glycol having two to about six hydroxyl, carboxyl, carboxylic anhydride or glycidyl end groups and of C2) an elastomeric copolymer based on butadiene, a polar, ethylenically unsaturated comonomer and, if appropriate, further ethylenically unsaturated comonomers having carboxylic acid, hydroxyl, mercapto or glycidyl ether end groups are described. Components C1) and C2) can also occur together in a segmented copolymer.

Abstract: Copolymers of styrene or a-methylstyrene and at least one comonomer, containing crosslinked elastomer particles, can be light-stabilized by modifying the elastomer particles by copolymerization with a suitable derivative of a sterically hindered amine. The modification is preferably carried out by graft polymerization, the elastomer used preferably being polybutadiene.

Abstract: Compounds of the general formula I ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.7 cycloalkyl, phenyl or benzyl,R.sub.2 is hydrogen or C.sub.1 -C.sub.4 alkyl, orR.sub.1 and R.sub.2, together with the linking carbon atom, form a 5- or 6-membered ring, andR.sub.3, R.sub.4, R.sub.5 and R.sub.6 are identical or different and are hydrogen, C.sub.1 -C.sub.12 alkyl, phenyl or phenyl substituted by 1 to 3 members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, halogen or C.sub.1 -C.sub.4 alkoxy or are a group of formula --CH.sub.2 OR.sub.11, where R.sub.11, where R.sub.11 is C.sub.1 -C.sub.12 alkyl, phenyl or phenyl substituted by 1 to 3 members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, halogen or C.sub.1 -C.sub.4 alkoxy, or are --C(O)--R.sub.12, and R.sub.12, and R.sub.12 is C.sub.1 -C.sub.12 alkyl,R.sub.7 is C.sub.1 -C.sub.4 alkylene, R.sub.8 is C.sub.1 -C.sub.8 alkylene, R.sub.9 is C.sub.1 -C.sub.4 alkyl, or two radicals R.sub.9 together are C.sub.

Abstract: The invention relates to compositions containing A) a liquid copolymer based on butadiene and at least one polar, ethylenically unsaturated comonomer, and B) a polyether prepolymer capped with hydroxyarylcarboxylic or hydroxyaralkylcarboxylic acids, or a capped polyester, polythioester or polyamide containing polyether segments. The phenolic hydroxyl group in component B) can also be etherified with epichlorohydrin and this product can be converted to an episulfide, if desired, or the phenolic hydroxyl group can be reacted with cyanogen halide to form a cyanate group.The stock compositions can be used in combination with epoxy resins to manufacture structural adhesives or sealing compounds.

Abstract: Compounds of the general formula I ##STR1## wherein R.sub.1 is a hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.7 cycloalkyl, phenyl or benzy.,R.sub.2 is hydrogen or C.sub.1 -C.sub.4 alkyl, orR.sub.1 and R.sub.2, together with the linking carbon atom, form a 5- or 6-membered ring, andR.sub.3, R.sub.4, R.sub.5 and R.sub.6 are identical or different and are hydrogen, C.sub.1 -C.sub.12 alkyl, phenyl or phenyl substituted by 1 to 3 members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, halogen or C.sub.1 -C.sub.4 alkoxy or are a group of formula --CH.sub.2 OR.sub.11, where R.sub.11 is C.sub.1 -C.sub.12 alkyl, phenyl or phenyl substituted by 1 to 3 members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, halogen or C.sub.1 -C.sub.4 alkoxy, or are --C(O)-R.sub.12, and R.sub.12 is C.sub.1 -C.sub.12 alkyl,R.sub.7 is C.sub.1 -C.sub.4 alkylene, R.sub.8 is C.sub.1 -C.sub.8 alkylene, R.sub.9 is C.sub.1 -C.sub.4 alkyl, or two radicals R.sub.9 together are C.sub.1 -C.sub.4 alkylene, and R.

Abstract: The addition of hindered amines in combination with a phosphorus-III-ester to the polymerization of olefins on spherical Ziegler-Natta catalysts effects a thermo-oxidative stabilization of the prepared polymers. Phenolic antioxidants may be used additionally.

Abstract: Curable compositions are described comprising(A) an epoxy resin having on average more than one epoxide group per molecule,(B) a curing agent which can be activated at an elevated temperature for component (A),(C) a liquid copolymer based on butadiene, acrylonitrile and, if appropriate, further ethylenically unsaturated comonomers, and(D) a selected segmented copolymer consisting essentially of recurring soft segments containing polypropylene glycol units or polybutylene glycol units and selected hard segments having a softening point above 25.degree. C. These compositions are suitable for use as, for example, adhesives.