Abstract: A flame retarded resin molding compositions with enhanced weatherable properties, which comprise a polyester and polycarbonate blend modified with an organopolysiloxane-polycarbonate and a glycidyl ester impact modifier for enhancing weatherablity and a flame retarding amount of a halogenated flame retardant.

Abstract: The objective of the invention is to produce a thermoplastic resin capable of producing a casting with a superior granular surface appearance like marble while maintaining the impact strength and other properties of the base resin. The present invention pertains to a thermoplastic composition with a granular surface appearance like marble produced by mixing and dispersing 0.001-10 parts by weight of thermosetting resin with 100 parts by weight of thermoplastic resin.

Abstract: A composite material for a lateral rigid member of a track belt for use in a snowmobile. A glycidylamine epoxy resin that is a polyfunctional epoxy thermosetting resin and has a molecular weight of about 250 to 1000 is included in an amount of 100 parts by weight. A 2-functional epoxy resin having a molecular weight of about 100 to 600 is included in an amount of 12 to 14.5 parts by weight. An aromatic polycarbonate thermoplastic resin having a molecular weight of about 12000 to 80000, a glass transition point of 130.degree. C. or more, a melting point of 220.degree. C. to 240.degree. C. is included in an amount of 5 to 45 parts by weight. An acid anhydride curing agent is included in an amount of 90 to 130 parts by weight. The composite material also includes reinforcing fiber.

Abstract: This invention relates to coating compositions including one or more resins having amino-reactive groups; one or more polyamine curing agents; and one or more aminourethanes. The aminourethanes can be reaction products of (i) oligomeric or polymeric compounds which contain at least one, preferably two or more terminal 2-oxo-1,3-dioxolane groups (cyclic carbonate groups), and (ii) amines containing at least one primary, preferably two or more primary and, if desired, also secondary and tertiary amino groups. The ratios of equivalents of C1):C2) typically is from 1:1 to 1:10, preferably from 1:1.05 to 1:5 and particularly preferably from 1:1.1 to 1:2, and the end product preferably contains one or more free primary amino groups. The composition further may contain, if desired, pigments, fillers, one or more organic solvents, water and conventional additives.

Abstract: The process for producing a modified epoxy resin comprises reacting (a) an epoxy resin having at least two epoxy groups per one molecule, and (b) a specific active ester group-containing compound having at least two aromatic ring-bonded active ester groups per one molecule, in proportions such that the amount of the active ester groups in the active ester group-containing compound is from about 0.05 to about 0.95 mol per mole of the epoxy group in the epoxy resin, and the modified epoxy obtained by this process, and a composition of the epoxy resin and a curing agent are encompassed.

Abstract: The objective of the invention is to produce a thermoplastic resin capable of producing a casting with a superior granular surface appearance like marble while maintaining the impact strength and other properties of the base resin.The present invention pertains to a thermoplastic composition with a granular surface appearance like marble produced by mixing and dispersing 0.001-10 parts by weight of thermosetting resin with 100 parts by weight of thermoplastic resin.

Abstract: Two-component adhesive-, sealing- or coating compositions are being described which are separately packed, and comprise the component A and the component D, whereby the component A is curing as soon as it gets in touch with water or the component D which contains the curing agent for the component A.The component D can be, or a component B containing an ingredient which is curing at the contact of water, or, possibly, at the contact with the component A, orthe component D can also be a mixture of solid matter and a volatile ingredient which is causing the cross-linking of the component A.The advantage of the novel two-component systems is that the component D is working as a curing agent for the component A, however, a surplus thereof is, or self-curing, or it does not leave a nuissance residue in the cured composition.

Abstract: A film to be laminated on a metal, which is formed of a polycarbonate resin having a high concentration of terminal hydroxyl groups or a composition comprising said resin and a polyester resin or a film to be laminated on a metal, which is formed by laminating the above film and a polyester film. The film is excellent in adhesion to a metal plate, moldability, heat resistance, retort resistance, odor retention property, impact resistance dent resistance and processability into a can, such as drawing fabrication, ironing fabrication or the like for producing metal cans.

Abstract: The invention relates to non-linear optically active (NLO) polycarbonates and to NLO active waveguides containing these polycarbonates. Waveguides containing these NLO polycarbonates have a low loss of signal, a high glass transition temperature and good polability and a high stability of the Pockel's coefficient.

Abstract: The invention provides stabilizer mixtures comprising phosphines, silicon compound and optionally silicon-free oxetane compounds and/or silicon-free epoxide compounds and their use for stabilizing thermoplastic aromatic polycarbonates.

Abstract: Blends ofA) 80 to 99 wt. % of high molecular weight, thermoplastic, aromatic polycarbonate with a molecular weight M.sub.w (weight average) of at least 10,000, which contains bifunctional carbonate structural units of the formula (I), ##STR1## in which R.sup.1 and R.sup.2 mutually independently mean hydrogen, halogen, C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.6 cycloalkyl, C.sub.6 -C.sub.10 aryl, preferably phenyl, and C.sub.7 -C.sub.12 aralkyl,m means an integer from 4 to 7, preferably 4 or 5,R.sup.3 and R.sup.4 individually selectably for each X, mutually independently mean hydrogen or C.sub.1 -C.sub.6 alkyl andX means carbon,providing that on at least one atom X, R.sup.3 and R.sup.4 simultaneously mean alkyl,B) 1 to 20 wt. % of a terpolymer prepared from 60 to 70 wt. % of ethylene, 37 to 20 wt. % of an acrylic acid ester of a C.sub.2 -C.sub.12 alcohol and 3 to 10 wt. % of a monomer with epoxy groups.

Abstract: A fire-retardant compound including bromine indicated by general formula (1), wherein the end group X and Y are comprised by A or B shown in formula (2), and the said fire-retardant compound is a mixture of the composition including 15 to 30% of X=Y=A, the composition including 40 to 60% of X=A and Y=B and the composition including 20 to 35% of X=Y=B, and degree of polymerization n is indicated by an integral number from 0 to 30, and a flame-retarded thermoplastic resin including said fire-retardant compound.

Abstract: The invention relates to a process for increasing the molecular weight of polycondensates, which comprises heating a polycondensate in the temperature range below the melting point and above the glass transition temperature in the solid phase of the polymer with additionof at least one sterically hindered hydroxyphenylalkylphosphonic ester or monoester.

Abstract: The invention relates to a process for preparing a composition contains a polymer and a crosslinking agent which comprises mixing a polymer that is solid at room temperature with a crosslinking agent, the polymer and the crosslinker having complementary reactive groups, at a temperature at which the viscosity of the polymer (measured according to Emila) is less than 5000 dpas, in a means for achieving a homogeneous composition in such a short time that less than 20% of the reactive groups of one of either the polymer or crosslinking agent has reacted, and subsequently cooling and comminuting the composition.The mixing is preferably effected in a static mixer at a temperature higher than 140.degree. C.

Abstract: This invention relates to coating compositions including one or more resins having amino-reactive groups; one or more polyamine curing agents; and one or more aminourethanes. The aminourethanes can be reaction products of (i) oligomeric or polymeric compounds which contain at least one, preferably two or more terminal 2-oxo-1,3-dioxolane groups (cyclic carbonate groups), and (ii) amines containing at least one primary, preferably two or more primary and, if desired, also secondary and tertiary amino groups. The ratios of equivalents of C1):C2) typically is from 1:1 to 1:10, preferably from 1:1.05 to 1:5 and particularly preferably from 1:1.1 to 1:2, and the end product preferably contains one or more free primary amino groups. The composition further may contain, if desired, pigments, fillers, one or more organic solvents, water and conventional additives.

Abstract: The invention pertains to a non-linear optically active (NLO) side chain polycarbonate and to NLO active waveguides containing said polycarbonate. Waveguides containing this NLO polycarbonate have a low loss of signal. Polycarbonates based on bischloroformates of hexafluorobisphenol A, hexafluorotetrabromobisphenol A and bisphenol S or deuterated bisphenol A or sulphonylbiphenol are especially preferred within the framework of the invention: they were found to give an exceptionally low loss of signal. The invention further pertains to cross-linkable and already cross-linked polycarbonates. Especially preferred polycarbonates according to the invention are those where the diol comprises a rigid donor group. These polycarbonates have a high Tg, which renders them thermally stable.

Abstract: Permanent aqueous marker inks are provided which include surfactant, a pigment, a film-forming polymer, and water. The surfactant may be a combination of a hydrocarbon, preferably an alkylphenol ethyoxylate and a fluorocarbon, or it may be a silicone.

Abstract: An improved thermoplastic molding composition containing polycarbonate and a polyester copolymer based on cyclohexane-dimethanol, ethylene glycol and phthalic acid is disclosed. Improved resistance to gamma-radiation results from the incorporation of a siloxane compound which contains an oxirane group.

Abstract: The objective of the invention is to produce a thermoplastic resin capable of producing a casting with a superior granular surface appearance like marble while maintaining the impact strength and other properties of the base resin.The present invention pertains to a thermoplastic composition with a granular surface appearance like marble produced by mixing and dispersing 0.001-10 parts by weight of thermosetting resin with 100 parts by weight of thermoplastic resin.

Abstract: Siloxanes containing epoxy groups having the formula 1 ##STR1## Formula 1 whereinA means a C.sub.1 -C.sub.20 alkyl radical with epoxy groupsB means R.sup.1 or AR.sup.1, R.sup.2 independently of each other, means C.sub.1 -C.sub.20 alkyl or C.sub.6 -C.sub.10 aryla means zero or a whole number from 1-100b means zero or a whole number from 1-100c means a whole number from 1-5.

Abstract: The invention pertains to a non-linear optically active (NLO) side chain polycarbonate and to NLO active waveguides containing said polycarbonate. Waveguides containing this NLO polycarbonate have a low loss of signal. Polycarbonates based on bischloroformates of hexafluorobisphenol A, hexafluorotetrabromobisphenol A and bisphenol S or deuterated bisphenol A or sulphonylbiphenol are especially preferred within the framework of the invention: they were found to give an exceptionally low loss of signal. The invention further pertains to cross-linkable and already cross-linked polycarbonates. Especially preferred polycarbonates according to the invention are those where the diol comprises a rigid donor group. These polycarbonates have a high Tg, which renders them thermally stable.

Abstract: Disclosed are a carbonate group-modified epoxy resin in which carbonate groups are introduced into an epoxy resin having secondary hydroxyl groups at terminals or lactone-modified epoxy resin having primary hydroxyl groups at terminals by the ring-opening reaction of a cyclic alkylene carbonate, a process for the preparation thereof, and a thermosetting resin composition containing the carbonate group-modified epoxy resin.

Abstract: A polymeric coupling agent for chemically linking a scratch resistant coating composition to a polycarbonate substrate is disclosed. The agent is a product of the reaction between polycarbonate and 3-glycidoxypropyltrimethoxysilane (GPS) in the presence of a quaternary ammonium salt. The reaction in the solid state produces a GPS-modified polycarbonate having a bimodal molecular weight distribution which is effective in promoting the adhesion of a scratch resistant coating to a polycarbonate substrate.

Abstract: A copolymeric polycarbonate containing repeating constituent units having formula [I] below and repeating constituent units having formula [II] below in a molar ratio of from 98:2 to 40:60. ##STR1## The above-described copolymeric polycarbonates have excellent resistance to chemicals, heat resistance and flame retardancy without compromising the impact resistance and good hues intrinsic to polycarbonates.

Abstract: The method of the present invention is a hot-melt polycondensation for an aromatic dihydroxy compound and a dicarbonate in the presence of a basic catalyst, adding sulfur-containing acid compound with a pKa value less than 3 or the derivative thereof, and 5-1,000 ppm of water, and additives as needed for the polycarbonate while the reaction product polycarbonate is still in a molten state, and kneading the material.

Abstract: A thermoplastic molding composition comprising a resinous blend of polycarbonate, polyester and an impact modifier and an additive amount of a siloxane compound containing a pendant oxirane group is disclosed. It was surprisingly and unexpectedly discovered that unlike the corresponding compositions which contain no siloxane compound, the inventive composition is capable of being dried at low temperatures prior to molding and still maintain high impact strength.

Abstract: Thermosetting resin compositions with low shrinkage are provided, which when molded show low shrinkage rates, good dimensional stability (little cracking or warping), and excellent surface smoothness, mechanical strength, and dispersion stability.The thermosetting resin compositions with low shrinkage in accordance with the present invention comprise:(a) 100 wt. parts by weight thermosetting resins, and(b) 3 to 200 parts by weight polycarbonates containing constituent units derived from aromatic dihydroxy compounds.The polycarbonates preferably have at least 5% (of all the terminal groups) terminal hydroxyl groups derived from aromatic dihydroxy compounds. The polycarbonates also preferably have an intrinsic viscosity of 0.05 to 0.65 dL/g.

Abstract: The objective of the invention is to produce a thermoplastic resin capable of producing a casting with a superior granular surface appearance like marble while maintaining the impact strength and other properties of the base resin.The present invention pertains to a thermoplastic composition with a granular surface appearance like marble produced by mixing and dispersing 0.001-10 parts by weight of thermosetting resin with 100 parts by weight of thermoplastic resin.

Abstract: A curable resin composition, which is not thickened nor gels during storage, can be high solids, cures even at low temperatures and is excellent in electrostatic coating properties, and which contains as main components, a polymer having in one molecule epoxy group(s), and functional group(s) in each of which a carbonate ester group (--O--CO--O--) is directly bound to an aromatic ring; or a mixture of a compound having in one molecule at least two epoxy groups and a compound having in one molecule at least two functional groups in each of which a carbonate ester group (--O--CO--O--) is directly bound to an aromatic ring, and a curing reaction catalyst.

Abstract: A thermosettable resin composition is prepared by admixing a liquid mixture of thermosettable resins such as a polyepoxide and amorphous thermoplastic polymer particles such as a polyetherimide to form a homogeneous cured resin composition. The particles have an average diameter of from 0.5-50 micrometers, a surface area of at least 1.0 m.sup.2 /g, a dissolution temperature of at least 50.degree. C., and are essentially insoluble in the thermosettable resin at temperatures of up to 15.degree. C. below the dissolution temperature but are completely dissolved at a temperature of at least 20.degree. C. below the cure temperature of the resin.

Abstract: Reworkable adhesive that has a high shear strength through a range of use temperatures but which has a low strength and is reworkable at a suitable processing temperature.

Abstract: Described herein is an adhesive composition comprising (a) an aromatic polyester or aromatic polycarbonate, (b) a polyepoxide, (c) an effective amount of an initiator or catalyst for the reaction of carbonate or ester groups in the aromatic polycarbonate or aromatic polyester with oxirane groups in the polyepoxide, and (d) from about 1 to about 50 weight percent of (i) a polymeric material different from (b) with pendant epoxy groups and a glass transition temperature below about 50.degree. C., or (ii) a solution of a copolymer of an an alkyl ester of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid and a hydroxyalkyl ester of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid, in a polyether polyol having a molecular weight of at least about 200; wherein the number ratio of oxirane groups in component (b) to the sum of the number of ester groups and twice the number of carbonate groups in component (a), is in the range of from about 0.8:1 to about 1.4:1.

Abstract: The resin composition comprises, as essential components, (A) an epoxy resin, (B) a thermoplastic resin and (C) particles of a diaminodiphenylsulfone compound whose cross linking reactivity with the epoxy resin is prevented until the resin composition is subjected to molding or curing by a resin coating which is formed (i) by forming or adhering resin particles onto the surface of the diaminodiphenylsulfone particles or (ii) by forming a resin film on the diaminodiphenylsulfone particles, the coating resin used for forming the resin coating is not compatible with components included in the resin composition at the temperature up to the curing temperature of the resin composition.

Abstract: The invention provides a low gloss polymer blend comprising an aromatic carbonate without reactive groups, a polymer or copolymer having a reactive epoxygroup and an aromatic carbonate polymer or copolymer having a reactive group which react with the epoxy group. Optionally, the composition may contain further usual compounds, such as polymeric materials which are normally used to modify the mechanical properties of polycarbonate, particularly rubbery or non-rubbery polymeric materials containing units of a styrene; also additives like colorants, flame retarding agents may be routinely incorporated.

Abstract: Blends of carbonate and monovinylidene aromatic copolymers containing selected low molecular weight halogenated epoxy compounds, in combination with tetrafluoroethylene polymers, are shown to have surprising combinations of impact and ignition resistance and be very suitable for electroplating applications. In general the selected epoxy compounds can be represented by the following formula: ##STR1## where, preferably, R is hydrogen; X is bromine; i is 2; L is 2,2-isopropyl; n is from 0 to 1. Polymer blends based on from about 65 to about 98 weight percent carbonate polymer, from about 2 to about 25 percent by weight monovinylidene aromatic copolymer, preferably rubber modified, and from 0 to about 10 percent by weight of a rubbery core/shell graft copolymer impact modifier are suitable for preparation of these compositions. It has been found desirable to employ from about 1 to about 20 percent by weight low molecular weight halogenated epoxy compound, and from 0.

Abstract: A flame-retardant thermoplastic resin composition is disclosed, comprising (A) a thermoplastic resin and (B-1) a halogenated epoxy resin whose epoxy groups are blocked by a long chain aliphatic carboxylic acid or (B-2) a mixture prepared by melt mixing (b1) a halogenated epoxy resin or (b2) a halogenated epoxy resin whose epoxy groups are blocked with (b3) a long chain aliphatic carboxylic acid. The composition has easy release from mold and satisfactory thermal stability during molding.

Abstract: The present invention provides an epoxy resin composition which is obtained by melt-mixing 100 parts by weight of an epoxy resin with 3 to 33 parts by weight of a thermoplastic resin alone or in combination with other components and additives than a hardener in the first mixing step and then with a hardener alone or in combination with other components and additives in the second mixing step, said epoxy resin having a number-average molecular weight of at least 200 and lower than 5000 and said thermoplastic resin having a number-average molecular weight of at least 5000; an adhesive epoxy resin molded article which is obtained by molding said epoxy resin composition; a process for producing an adhesive epoxy resin molded article which comprises molding said epoxy resin composition into a 0.01 to 10 mm thick film or sheet in a substantially uncured state and subsequently punching the film or sheet at temperatures higher than 15.degree. C. and lower than 70.degree. C.

Abstract: A thermosettable resin composition having a viscosity that decreases during processing temperatures and increases as the temperature is raised to curing temperatures is provided The composition comprises thermosettable resins and thermoplastic particles that are insoluble in the thermosettable resins at processing temperatures but soluble in the thermosettable resins at curing temperatures. Prepregs prepared from the thermosettable resin composition are also provided.

Abstract: The invention disclosed is an improved process for the preparation of high molecular weight poly(arylcarbonate), the molecular weight ranging from 45,000-60,000 (corresponding to n.sub.inh 0.8 to 1.0) The process involves heating in a controlled manner, a BPA-polycarbonate oligomer in the presence of a catalyst selected from alkali metal aryl acid, alkali metal borohydrial and a quarternary ammonium salt of bioxiyanion derived from a carboxylic acid poly(arylcarbonate)s of high molecular weight produced by the process of present invention show enhanced crystallinity.

Abstract: Matrix resin formulations comprising cyanate esters of phenol adducts of dicyclopentadiene, epoxy resins and particular thermoplastics, provide fiber reinforced composites with excellent toughness and hot/wet properties.

Abstract: A composition comprising a polymer in dispersion in a non-aqueous continuous diluent, in which the polymer phase comprises a crystallisable polymer, selected from polyesters, polycarbonates and polyamides, a curable solvent for the crystallisable polymer which is miscible with the continuous diluent, and optionally, an auxiliary solvent, and in which the curable solvent is at least partially reacted with the crystallisable polymer, so as to form a stabiliser for the dispersion.

Abstract: A flame retardant resin composition comprising (A) 70 to 10% by weight of a rubber-reinforced styrene base resin, (B) 20 to 85% by weight of a polycarbonate resin, (C) 5 to 35% by weight of a high molecular weight halogen-containing compound of the formula: ##STR1## wherein n is an average polymerization degree and an integer of 4 to 30, R and R' are independently a hydrogen atom, a methyl group, an epoxypropyl group, a phenyl group, a halogenated phenyl group or a group of the formula: wherein m is an integer of 0 to 3, which compound has a bromine content of at least 45% by weight and an epoxy equivalent of at least 10,000 g/mol, and (D) 0 to 10% by weight of an antimony compound, which resin composition is excellent not only in heat stability but also in heat resistance, impact resistance, processability and light resistance.

Abstract: a composition comprising a polymer phase in dispersion in a non-aqueous continuous diluent in which the polymer phase comprises a crystallizable polymer, selected from polyesters, polyamides and polycarbonates, in intimate admixture with a curable solvent for the crystallizable polymer, a stabilizer and, optionally, an auxiliary solvent.

Abstract: Thermoformable, thermosettable resins essentially free of secondary alcohol groups are obtained by reaction of oxiranes in active hydrogen-free polyepoxide with carboxylate and/or carbonate groups in active hydrogen-free aryl polyesters, polycarbonates or copolyestercarbonates in the presence of catalytically effective amounts of certain polyorgano phosphonium or phosphine iminium salts.

Abstract: A normally liquid epoxy resin obtainable by reaction of a bisphenol based oligocarbonate having terminal phenolic hydroxyl groups with an epihalohydrin, followed by dehydrohalogenation. The epoxy resin is capable of forming a tough cured product having improved flexural strength and flexural modulus. A process for the production of an epoxy resin foam in which a polyepoxy compound is crosslinked and simultaneously foamed by the aid of carbonate oligomers having terminal phenolic hydroxyl groups. The product is highly flexible against compression, bending and warp.

Abstract: Epoxy resin formulations having improved storage stability comprising epoxys selected from the group consisting of polyglcidyl ethers of polycyclic bridged hydroxy-substituted polyaromatic compounds and N,N,N',N'-tetraglycidyl-bis(4-amino-3-ethylphenyl) methane with from about 6 to about 150 pbw, per hundred parts by weight of the epoxy resin components, of a solid aromatic diamine hardener insoluble in said composition at room temperature in an amount effective to cure said epoxy resin.

Abstract: Branched polycarbonates are prepared by melt equilibration of aromatic cyclic polycarbonate oligomers with a polyhydric phenol having more than two hydroxy groups per molecule, preferably 1,1,1-tris-(4-hydroxyphenyl)ethane, in the presence of a carbonate equilibration catalyst, preferably tetrabutylammonium tetraphenylborate. In an additional embodimetn of the invention, a linear aromatic polycarbonate is added to the reaction mixture. Branched polycarbonates prepared according to this inventin have high melt strength and high shear sensitivity characteristics and are useful in extrusion and injection molding processing applications and particularly useful in blow molding applications for preparing relatively large articles and panels.

Abstract: A polycarbonate resin, containing in the polymer chain at least one divalent moiety of the formula: ##STR1## wherein E is selected from the group consisting of alkylene containing from 1 to 15 carbon atoms, inclusive, and halogen-substituted alkylene containing from 1 to 15 carbon atoms, inclusive, a is an integer of 0 or 1 and R' is hydrogen or hydrocarbyl or halogen substituted hydrocarbyl amenable to beta elimination upon thermal degradation.

Abstract: Thermosettable vinyl ester resin compositions are prepared from polyepoxide compounds, optionally monoepoxide compounds, at least one of which contains a mesogenic or rigid rodlike moiety and a monounsaturated monocarboxylic acid. These vinyl ester resins can be mixed with polymerizable ethylenically unsaturated monomers which can, if desired, contain a mesogenic or rigid rodlike moiety.

Abstract: Thermoformable, thermosettable resins essentially free of secondary alcohol groups are obtained by reaction of oxiranes in active hydrogen-free polyepoxides with carboxylate and/or carbonate groups in active hydrogen-free aryl polyesters, polycarbonates or copolyestercarbonates in the presence of catalytically effective amounts of certain polyorgano phosphonium or phosphine iminium salts.