Abstract: Organic polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a synergistic mixture of (i) at least one compound selected from the group consisting of the (a) sterically hindered nitroxyl stabilizers, (b) sterically hindered hydroxylamine stabilizers and (c) sterically hindered alkoxyamine stabilizers and (ii) at least one phosphazene flame retardant. Advantageously, a further flame retardant may be added, without the need of adding an antimony synergist. The compositions of the invention combine good flame retardant properties with light stability and good mechanical properties.

Abstract: The present invention relates to thermoplastic polyamide moulding compositions which contain at least one copolyamide with at least 20% by weight polyamide 12 components and at least one aprotic compound selected from the group of N-alkylated, cyclic carboxylic acid amides with 5 to 7 ring elements and/or of urea derivatives, the alkyl rests of which are linear at the nitrogen or which form a linking of the two N-atoms, and a process for production of the moulding compositions. The thermoplastic polyamide moulding compositions are distinguished by the fact that no solid deposits are formed during thermoplastic conversion.

Abstract: A process is described for the modification of polymer melts by means of finely divided inorganic solid particles (melt modification process), in which a powdery additive which contains the inorganic solid particles with a maximum particle size of 1 ?m embedded in finely divided form in a matrix of an organic substance, the organic substance containing one or more of the substances from the group consisting of polyols, polyglycols, polyethers, dicarboxylic acids and derivatives thereof, AH salt, caprolactam, paraffins, phosphoric acid esters, hydroxycarboxylic acid esters and cellulose, is incorporated into the polymer.

Abstract: The invention relates to pigment dispersants of the formula (I), and to pigment preparations including at least one organic pigment and at least one pigment disperant of the formula (I): wherein Q1, R1, R2, E+, G+, s and n are defined in the specification.

Abstract: A stabilizer mixture containing (A) a sterically hindered amine compound, and (B) a polymer containing polar residues, the weight ratio of components (A) (B) being 20:1 to 1:20, with the provisos that, (1) component (B) is different from component (A) and does not contain groups of formulae (I) or (II) in which G is hydrogen or methyl, and G1 and G2, independently of one another, are hydrogen, methyl or together are a substituent ?O; and (2) component (B) is different from a polymer having an acidic hydrogen atom.

Abstract: A soft gelatinous elastomer composition and article useful as fishing bait formed from one or a mixture of two or more of a hydrogenated styrene isoprene/butadiene block copolymer(s) and one or more plasticizers being in sufficient amounts to achieve a gel rigidity of from about 20 gram Bloom to about 1,800 gram Bloom.

Abstract: The present invention provides an adhesive composition for use in bonding a polymeric fitting to an olefin-containing component of an article used in medical applications. The adhesive composition according to the invention includes an adhesive polymer system dissolved in a solvent system. The solvent system includes an organic solvent having a solubility parameter within the range of from about 7.5 to about 10 (cal/cm3)1/2. Subsequent to forming a bond between the polymeric fitting and the olefin-containing component, the adhesive composition can meet the requirements for USP Class VI materials. In a preferred embodiment of the invention, the adhesive composition includes a low shear mixture of an adhesive polymer system including an atactic polypropylene and a low density polyethylene that is dissolved in a solvent system including a blend of d-limonene and a ketone selected from the group consisting of 4-heptanone and cyclohexanone.

Abstract: Preparing pigment preparations by mixing a dyestuff with a monomer and simultaneously polymerizing the monomers in an extruder at elevated temperatures, wherein the following steps are carried out:

Abstract: A rubber composition which contains the following components (A)-(D) and is free from any zinc-containing compounds that would cause trouble at the time of use of the final products: (A): an ethylene-&agr;-olefin copolymer rubber and/or ethylene-&agr;-olefin-non-conjugated diene copolymer rubber, (B): magnesium oxide, (C): carbon black, (D): at least one compound selected from the following compounds (D-1)-(D-3): (D-1): compounds containing a thio group and a carboxylic acid ester group in the molecule, (D-2): compounds containing a phenolic hydroxyl group in the molecule, (D-3): compounds containing an acyl group and an imino group in the molecule, provides vulcanized products including radiator hoses, heater hoses and radiator packings with improved age resistance.

Abstract: The invention relates to magnetic resonance imaging moieties, having increased in vivo residence time and amplified MRI signal, comprising a polymer and a plurality of activatable magnetic resonance imaging contrasting agents each attached to the polymer by a cleavable linkage; methods of detecting physiological signals or substances; and methods of drug delivery and drug detection for treatment of diseases.

Abstract: This invention relates to a solvent based adhesive composition including a major amount of a solvent system and a minor amount of an adhesive polymer system. The solvent system preferably includes a terpene and an aldehyde, ketone, or an aromatic solvent. The adhesive polymer system preferably includes one or a blend of polymers that dissolve, at least in part, in the solvent solution. The components of the solvent adhesive are compatible in that they do not separate upon standing. The solvent based adhesive composition provides good adhesion between polymer articles such as, for example, polyolefin and acrylic films, as well as good adhesion between polymeric articles and wood or metal substrates.

Abstract: Hindered amines substituted on the N-atom with an -O-E-OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal -O-E moieties.

Abstract: Preparing pigment preparations by mixing a dyestuff with a monomer and simultaneously polymerizing the monomers in an extruder at elevated temperatures, wherein the following steps are carried out:

Abstract: A hydrophobically capped oligomeric acrylamide or pyrrolidone is employed as a dispersant for hydrophobic materials in an aqueous medium containing a hydrophilic colloid, e.g. gelatin. The hydrophobic materials include photographic addenda such as color couplers or solid particle dyes.

Abstract: This invention relates to a solvent based adhesive composition including a major amount of a solvent system and a minor amount of an adhesive polymer system. The solvent system preferably includes a terpene and an aldehyde, ketone, or an aromatic solvent. The adhesive polymer system preferably includes one or a blend of polymers that dissolve, at least in part, in the solvent solution. The components of the solvent adhesive are compatible in that they do not separate upon standing. The solvent based adhesive composition provides good adhesion between polymer articles such as, for example, polyolefin and acrylic films, as well as good adhesion between polymeric articles and wood or metal substrates.

Abstract: The invention relates to 4-aminopyrimidinediones and oxazolidino-4-aminopyrimidinediones of the formula I and II given below, a process for their preparation, their use for stabilizing halogen-containing polymers, and compositions composed of compounds of the formula I or II and of chlorine-containing polymers, in particular PVC.

Abstract: The process of this invention can be utilized to stabilize tin-coupled rubbery polymers. This process involves adding a chelating diamine or a sodium alkoxide to the rubbery polymer after the tin coupling has been carried out. This invention more specifically discloses a process for improving the stability of a tin-coupled rubbery polymer which comprises adding a sodium alkoxide to the tin-coupled rubbery polymer subsequent to the time at which the tin-coupled rubbery polymer is coupled. Sodium alkoxide is a representative example of a sodium alkoxide that can be used to stabilize the tin-coupled rubbery polymer.

Abstract: 1,2-Bis-adducts of stable hindered nitroxide compounds with substituted ethylenes are prepared by reacting two equivalents of nitroxyl compound with an ethylenically unsaturated compound such as styrene or an acrylate ester. These adducts are very effective inhibitors to prevent the premature polymerization of ethylenically unsaturated monomers when such monomers are distilled, processed or stored.

Abstract: A rubber composition for use in a tread of a pneumatic tire comprises particular amounts of particular nitrogen-containing compound and particular proton acid or derivative thereof based on 100 parts by weight of rubber ingredient, and develops an excellent gripping performance.

Abstract: An improved light stable polyether/polyol based aliphatic urethane thermoplastic elastomer prepared from reacting inter alia a polyol having low terminal end unsaturation and an organic diisocyanate. The elastomer is characterized by ultra violet stabilizer being present in a range of 0.25% to 2.0% at a total concentration of 1.0% to 2.0%, an antioxidant being present at a total concentration of 0.10% to 1.0%, and colorants/pigment being present in a total concentration in a range from 1.0% to 2.05% to produce an elastomer capable of withstanding Xenon arc artificial weathering with DE≦3.00 after 2450 kilojoules of exposure.

Abstract: A composition comprising a compound having latent primary amine functionality is described. The compound having latent amine functionality is obtained by reacting a cyclic anhydride with an amine compound having two primary amine groups and one secondary amine group. The latent amine compound is combined with a compound having a plurality of cyclic carbonate groups in a crosslinkable coating composition.

Abstract: Process for preparing pigment preparations by mixing a colored composition with monomers and simultaneously polymerizing the monomers in an extruder at elevated temperatures, whereby the following steps are carried out:(A) introducing continuously into an extruder(a) from 40 to 90% by weight of a pigment,(b) from 60 to 10% by weight of at least a monomer, selected from the group consisting of an acrylate and a methacrylate, whereby the amounts of pigment and monomer sum up to 100%, and, if desired,(c) from 0 to 10% by weight, based on the amount of component (b), of an initiator, and(B) mixing the components (a), (b), and, if desired, (c) therein, and(C) withdrawing continuously the obtained reaction mixture from the extruder, and a high molecular organic material pigmented with the pigment preparation.

Abstract: A capillary electrophoresis system and method of electrokinetically loading a capillary electrophoresis sample into a separation medium in a capillary tube in which an entangled polymer matrix is formed having the sample embedded therein. The matrix has a mesh size effective to retard movement of macromolecules such as DNA sequencing templates through the matrix when an electric field is applied across the matrix. The entangled polymer matrix is formed by a linear polymer having a molecular weight of at least 20K Daltons. Furthermore, the invention includes stable denaturants useful for the electrophoresis of nucleic acids.

Abstract: The compression set of elastomeric silicone compositions, addition cured injection moldable compositions, is reduced by the incorporation of nitrogen compounds wherein the nitrogen possesses at least one organic substituent and the nitrogen is tetravalent wherein the nitrogen is cationic. The adhesion of such compositions to thermoset or thermoplastic polymer substrates is improved by the addition of bis(trimethoxysilylpropyl)fumarate and a disilanol that may or may not contain alkenyl groups. The lubricity of such compositions is improved by the addition of compounds selected from the group consisting of diorganosiloxanes such as polydimethylsiloxanes, phenyl containing siloxanes such as copolymers of diphenylsiloxane with diorganosiloxanes and copolymers of methylphenylsiloxane with diorganosiloxanes, fluorosilicones such as silicones containing trifluoropropyl substituted siloxanes, polydimethylsiloxanes, aliphatic and aromatic hydrocarbons that are liquid between 0.degree. C. and 100.degree. C.

Abstract: The compression set of elastomeric silicone compositions, addition cured injection moldable compositions or millable compositions, is reduced by the incorporation of nitrogen compounds wherein the nitrogen possesses at least one organic substituent and the nitrogen is tetravalent wherein the nitrogen is cationic.

Abstract: A process to reduce the compression set of elastomeric silicone compositions, addition cured injection moldable compositions or millable compositions, comprises the incorporation of nitrogen compounds wherein the nitrogen possesses at least one organic substituent and the nitrogen is tetravalent wherein the nitrogen is cationic.

Abstract: 1,2-Bis-adducts of stable hindered nitroxide compounds with substituted ethylenes are prepared by reacting two equivalents of nitroxyl compound with an ethylenically unsaturated compound such as styrene or an acrylate ester. These adducts are very effective inhibitors to prevent the premature polymerization of ethylenically unsaturated monomers when such monomers are distilled, processed or stored.

Abstract: The invention relates to stabilized recycled plastics, which can be obtained from domestic, commercial and industrial waste or valuable material collections, comprising a macrocyclic compounds containing a radical of formula (I) or (II), in the macrocycle or in a side group of the macrocycle, where the macrocycle comprises at least 8 atoms and in which the substituents R, independently of one another, are methyl, ethyl or propyl, or two radicals R on the same carbon atom are, together, a pentamethylene radical, and a is the number 0, 1 or 2. The invention also relates to a process for the stabilization of recycled plastics and to the use of the above macrocyclic compounds as stabilizer.

Abstract: The process of this invention can be utilized to stabilize tin-coupled rubbery polymers. This process involves adding a chelating diamine to the rubbery polymer after the tin coupling has been carried out. This invention more specifically discloses a process for improving the stability of a tin-coupled rubbery polymer which comprises adding a tertiary chelating amine to the tin-coupled rubbery polymer subsequent to the time at which the tin-coupled rubbery polymer is coupled. The tertiary chelating amine will preferably be a tertiary chelating alkyl 1,2-ethylene diamine, such as N,N,N',N'-tetramethylethylenediamine.

Abstract: A miscible blend composition having high T.sub.g and good chemical resistance comprising, based on the total weight of the composition, from about 30 to about 90 weight % of a polyalkylene terephthalate, from about 70 to about 10 weight % of a polyarylate polymer, and an effective amount of an ester-interchange inhibitor.

Abstract: Aqueous compositions and process aids useful in paper processing for quenching optical brighteners, particularly under alkaline paper production conditions. The process aids are aqueous compositions comprising (a) an acid addition salt or quartenization product of a cyclic amidine, (b) a polyethyleneimine and optionally (c) an acid. The aqueous compositions and process aids may be added to paper feedstocks in paper production apparatus or to paper production apparatus absent a paper feedstock.

Abstract: The present invention relates to novel tetramethylpiperidine compounds of the formula (I) ##STR1## in which R.sub.1 is e.g. hydrogen or methyl, R.sub.2 and R.sub.3 are e.g. --(CH.sub.2).sub.2 --, R.sub.4 is e.g. --CO--, --COCO-- or --COCH.sub.2 CO--, n is e.g. 1 and R.sub.5 is e.g. hydrogen or allyl.These compounds are suitable for use as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials.

Abstract: Compounds containing substituted piperidine groups, of the general formula (I) ##STR1## in which n is e.g. 1, 2 or 3, R.sub.1 is e.g. hydrogen or methyl, R.sub.2 is e.g. ethylene or trimethylene and if n is 1, A is e.g. hydrogen, --COOC.sub.18 H.sub.37 --n or --COC.sub.11 H.sub.23 --n, if n is 2, A is e.g. ##STR2## and if n is 3, A is e.g. ##STR3## are effective stabilizers for organic materials, especially synthetic polymers, which are subject to the action of light, heat and oxidation.

Abstract: A coating composition comprising a) an organic film-forming binder; and b) a corrosion-inhibiting amount of a substantially water-insoluble mono- or poly-basic salt of:i) a ketoacid having the formula I: ##STR1## in which m and n, independently, are 0 or an integer from 1 to 10 provided that the sum of m and n is at least 1; A is C.sub.1 -C.sub.15 alkyl, C.sub.2 -C.sub.15 alkenyl, optionally substituted C.sub.3 -C.sub.12 cycloalkyl, C.sub.2 -C.sub.15 alkyl interrupted by one or more O-, N- or S-atoms, optionally substituted C.sub.6 -C.sub.10 aryl, optionally substituted C.sub.7 -C.sub.12 aralkyl, optionally substituted C.sub.7 -C.sub.12 aralkenyl, a heterocyclic residue or a ferrocenyl residue; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and each is a substituent A, hydrogen, OH, O-C.sub.1 -C.sub.15 alkyl, NH.sub.2, NH(C.sub.1 -C.sub.15 alkyl), N(C.sub.1 -C.sub.15 alkyl).sub.2, CO.sub.2 H, CO.sub.2 (C.sub.1 -C.sub.15 alkyl), SO.sub.3 H, P(O) (OH).sub.2 P(O)(OH)(O-C.sub.1 -C.sub.

Abstract: Disclosed is a coating composition comprising (A) 10 to 70 parts by weight of a poly(meth)acrylate of mono- or polypentaerythritol, (B) 5 to 50 parts by weight of a urethane poly(meth)acrylate having at least two unsaturated double bonds in the molecule, (C) 5 to 50 parts by weight of a poly[(meth)acryloyloxyalkyl] (iso)cyanurate, (D) 2 to 30 parts by weight of an ultraviolet absorber, (E) 0.1 to 10 parts by weight of a photopolymerization initiator, and (F) 0.1 to 5 parts by weight of a hindered amine type light stabilizer, provided that the combined amount of components (A) to (F) is 100 parts by weight. This coating composition can form a crosslinked and cured film having excellent abrasion resistance, surface smoothness, thermal resistance, chemical resistance, durability, weather resistance and adhesion to the substrate.

Abstract: A cross-linkable, fluorine-containing elastomer composition comprising a fluorine-containing elastomer containing at least one of iodine and bromine in the molecule, an organic peroxide having a peroxy group --O--O--C(CH.sub.3).sub.2 R, where R is a lower alkyl group, in the molecule and an activation energy of not more than 34.0 Kcal/mole and another organic peroxide having the same peroxy group as defined above in the molecule and an activation energy of less than 34.0 Kcal/mole as cross-linking agents for the elastomer has less generation of CH.sub.3 I or CH.sub.3 Br at the decomposition of the organic peroxides without any substantial decrease in the compression set of the vulcanization products.

Abstract: The present invention relates to a novel method for stabilizing synthetic thermoplastic materials against thermal degradation, which comprises incorporating in said materials one or more compounds of the formula (I) ##STR1## in which R.sub.1 is unsubstituted or substituted phenyl, n is e.g. 1, 2 or 3, and, when n is 1, R.sub.2 is e.g. --COR.sub.3, --COOR.sub.4 or --CO-N(R.sub.5)R.sub.6 in which R.sub.3 is e.g. C.sub.4 -C.sub.17 alkyl, R.sub.4 is e.g. C.sub.4 -C.sub.18 alkyl, cyclohexyl or t-butylcyclohexyl, R.sub.5 and R.sub.6 which can be identical or different are e.g. C.sub.2 -C.sub.8 alkyl or cyclohexyl, and, when n is 2, R.sub.2 is e.g. --CO--R.sub.10 --OC, --COO-R.sub.11 --OOC-- or --CONH--R.sub.12 --NHCO- in which R.sub.10 is e.g. C.sub.2 -C.sub.8 alkylene, R.sub.11 is e.g. C.sub.4 -C.sub.6 alkylene and R.sub.12 is e.g. C.sub.4 -C.sub.6 alkylene, and, when n is 3, R.sub.2 is e.g. benzenetricarbonyl.Several compounds of the formula (I) are new.

Abstract: Silicone compositions comprising an organopolysiloxane composition and an organic compound capable of coordination with metals are described. Since the organic compound is preferentially adsorbed on a metal surface, the composition is particularly suitable for use in electric or electronic parts to prevent contact failure. A more specific embodiment comprises a diorganopolysiloxane of the average unit formula, R.sub.a SiO.sub.(4-a)/2, wherein each R independently represents an unsubstituted or substituted monovalent hydrocarbon group, and a is a value of from 1.90 to 2.05, a filler, an alkoxysilane or its hydrolyzate, a silylation catalyst made of an organic silicon compound having at least one specific type of group, an organic tin compound, another organosilicon compound capable of reaction with an alcohol in order to stabilize the composition, and an organic compound capable of coordination with metals.

Abstract: Piperidine-triazine compounds of the general formula (I) ##STR1## in which R.sub.1 is e.g. hydrogen or methyl, R.sub.2 is e.g. 2,2,6,6-tetramethyl-4-piperidyloxy or 1,2,2,6,6-pentamethyl-4-piperidyloxy, m is e.g. 2,3 or 4 and, if m is 2, R.sub.3 is e.g. a group of the formula (IIIc) or (IIIe) ##STR2## in which R.sub.10 and R.sub.12 which can be identical or different are e.g. hydrogen, cyclohexyl, 2,2,6,6-tetramethyl-4-piperidyl or 1,2,2,6,6-pentamethyl-4-piperidyl, R.sub.11 is e.g. C.sub.2 -C.sub.6 alkylene, R.sub.14 is e.g. hydrogen or methyl and p is e.g. 2, and, if m is 3 or 4, R.sub.3 is e.g. a group of the formula (IV) ##STR3## in which R.sub.15 and R.sub.19 which can be identical or different are e.g. hydrogen 2,2,6,6-tetramethyl-4-piperidyl or 1,2,2,6,6-pentamethyl-4-piperidyl, R.sub.16, R.sub.17 and R.sub.18 which can be identical or different are e.g. C.sub.2 -C.sub.3 alkylene and q is e.g.

Abstract: Unsaturated polyester fiber reinforced molding compounds containing low profile additives achieve moldings with improved shrinkage control, improved surface appearance, less separation and lower coefficient of thermal expansion by the addition of lactams.

Abstract: The present invention provides coating compositions comprisinga) an organic film-forming binder; andb) a corrosion-inhibiting amount of a salt ofi) a ketoacid having the formula (I): ##STR1## wherein a is 1,2,3,4 or 5; the R substituents are the same or different and each is hydrogen; halogen; nitro; cyano; CF.sub.3 ; C.sub.1 -C.sub.15 alkyl; C.sub.5 -C.sub.12 cycloalkyl; C.sub.2 -C.sub.15 alkenyl; C.sub.1 -C.sub.12 halogenoalkyl; C.sub.1 -C.sub.12 alkoxy; C.sub.1 -C.sub.12 thioalkyl; C.sub.6 -C.sub.12 aryl; C.sub.6 -C.sub.10 aryloxy; C.sub.7 -C.sub.12 alkaryl; --CO.sub.2 R.sub.1 in which R.sub.1 is a) hydrogen, b) C.sub.1 -C.sub.20 alkyl optionally interrupted by one or more O--, N-- or S--atoms, c) C.sub.7 -C.sub.12 alkaryl or d) C.sub.6 -C.sub.12 aryl optionally substituted with one or more carboxy groups; --COR.sub.1 in which R.sub.1 has its previous significance; NR.sub.2 R.sub.3 in which R.sub.2 and R.sub.3 are the same or different and each is hydrogen or C.sub.1 -C.sub.

Abstract: The novel compounds of the formula (I) ##STR1## in which R.sub.1 is di(C.sub.1 -C.sub.4 -alkyl)amino, C.sub.1 -C.sub.4 -alkoxy, a 5-membered to 7-membered nitrogen containing heterocyclic group with the nitrogen atom bonded to the triazine ring, or a group of the formula (II), ##STR2## R.sub.2 and R.sub.4 which are identical or different are C.sub.1 -C.sub.12 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, benzyl or 1,2,2,6,6-pentamethyl-4-piperidyl, n is 2 or 3 and, if n is 2, R.sub.3 is a group ##STR3## with R.sub.5 and R.sub.7, which are identical or different, being hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, benzyl or 1,2,2,6,6-pentamethyl-4-piperidyl and R.sub.6 being C.sub.2 -C.sub.12 -alkylene, cyclohexylene, cyclohexylenedimethylene or methylenedicyclohexylene, or R.sub.3 is the divalent radical or a 6-membered to 7-membered heterocyclic compound with two nitrogen atoms which are each bonded to a triazine ring, or, if n is 3, R.sub.3 is a group ##STR4## with R.sub.8 and R.sub.

Abstract: A surface-patterned, injection-molded article of polybutylene terephthalate is produced by placing a film composed mainly of a polybutylene resin and back-printed with a desired graphic and/or indicia pattern in a mold cavity so that the printed surface of the film will be in contact with resin to be injected thereinto. Prior to mold placement, the back-printed surface is coated with an adhesive layer. Molten resin composed mainly of polybutylene terephthalate is then injected into the mold cavity to cause the adhesive to bond the pattern-printed film integrally onto a corresponding surface of the resulting molded PBT article.

Abstract: A polymer such as polyester is modified with reaction with a modifier of a compound having the formula: ##STR1## in which X is halogen, Y.sub.1 and Y.sub.2 are a three- to eight-membered ring, Z is a divalent organic group and n is 1 or more.

Abstract: Substituted aminoxy propionamide derivatives corresponding to the formula ##STR1## said derivatives being useful as color improvers and stabilizers in various polymeric substrates.

Abstract: Piperidine-triazine compounds of the general formula (I) ##STR1## in which R.sub.1 is e.g. hydrogen or methyl, R.sub.2 is e.g. C.sub.2 -C.sub.6 alkylene, R.sub.3 is e.g. a group ##STR2## ##STR3## can be used as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials, in particular synthetic polymers.

Abstract: A halogen-containing polyester resin composition having an improved stable flexibility and flame retardency which comprises a bislactam compound and a flame-resisting aromatic polyester copolymers containing halogen at a ratio of 0.5 to 30% by weight, said copolymers being by the poly-condensation of(A) aromatic dicarboxylic acids or ester-forming derivatives thereof;(B) aliphatic glycols or ester-forming derivatives thereof; and(C) halogen-containing ester-forming compounds, said bislactam compound being present in a ratio of 0.1 to 10% by weight based on the total quantity of the composite.

Abstract: A resin composition for printed circuit board and the printed circuit board in which said resin composition is used as substrate, said resin composition comprising one or more cyclic phosphonitrile compounds represented by the general formula [I] and/or [II] and an aromatic maleimide compound and/or an aromatic amine: ##STR1## wherein at least two of R's (R.sub.1 to R.sub.

Abstract: The new compounds of formula (I) ##STR1## in which R.sub.1 is e.g. hydrogen or methyl, R.sub.2 is e.g. a group --OR.sub.5 or ##STR2## in which R.sub.5 is e.g. 2,2,6,6-tetramethyl-4-piperidyl or 1,2,2,6,6-pentamethyl-4-piperidyl, R.sub.6 and R.sub.7 which are identical or different are e.g. C.sub.1 -C.sub.8 alkyl, tetrahydrofurfuryl, 2,2,6,6-tetramethyl-4-piperidyl or 1,2,2,6,6-pentamethyl-4-piperidyl, or R.sub.6 is also hydrogen, or the group ##STR3## is e.g. 4-morpholinyl, R.sub.3 and R.sub.4 which are identical or different are e.g. hydrogen, methyl, 2,2,6,6-tetramethyl-4-piperidyl or 1,2,2,6,6-pentamethyl-4-piperidyl, m and n are e.g. 3, and X is e.g. --O-- or ##STR4## where R.sub.9 is C.sub.1 -C.sub.8 alkyl, tetrahydrofurfuryl, 2,2,6,6-tetramethyl-4-piperidyl or 1,2,2,6,6-pentamethyl-4-piperidyl, are effective as light stabilizer, heat stabilizers and oxidation stabilizers for organic materials, in particular synthetic polymers.

Abstract: Described is an article of manufacture useful for administration of pharmacologically-active substances, transdermally, orally or by means of subdermal implant comprising a solid vinyl plastisol layer for contacting a patient's tissue, internally or externally, the layer containing from about 20 up to about 70% by weight of a polyvinyl chloride resin or a polyvinyl chloride-polyvinyl acetate copolymer containing a minor proportion of vinyl acetate; from about 20-70% plasticizer composition, from about 0.5 up to 35% of pharmacologically-active substance such as isosorbide dinitrate, nicotine, clonidine, guanfacine, indomethacin, glyceryl trinitrate and prostaglandin and optionally excipients. Also described is the novel plasticizer-polyvinyl chloride composition of matter comprising 1-dodecylhexahydro-2H-azepin-2-one and polyvinyl chloride resin taken together with a pharmacologically-active substance .[.whereint he.]. .Iadd.wherein the .Iaddend.