Abstract: A blended composition containing polycarbonate and polyester and/or an acrylate polymer, modified with poly(tetrafluoroethylene), an organophosphorous compound and an aromatic halogenated carbonate oligomer to obtain ignition resistance properties, and, optionally, an elastomeric impact modifier.

Abstract: The invention relates to compatible blends of 94 to 10% by weight aromatic poly(ester) carbonates or polycarbonates, 5 to 70% by weight polyamides and 1 to 20% by weight ester-functional (meth)acrylate polymers and, optionally, elastomers in typical modifying quantities, to a process for the production of these blends and to their use for the production of moldings.

Abstract: The present invention pertains to thermoplastic polymer blends which comprise a monovinylidene aromatic copolymer, an acetal polymer and a thermoplastic polycarbonate resin or a polyester resin derived from the reaction of a dicarboxylic acid and a glycol, and which may also optionally contain an elastomeric material such as a thermoplastic polyurethane or an elastomeric copolyester. The resulting polymer blends have good processability and a beneficial combination of physical and chemical properties including thermal/dimensional stability, impact resistance, chemical resistance and environmental stress crack resistance. Said polymer blends are suitable for use in the preparation of a variety of molded utilitarian articles having good appearance and paintability.

Abstract: Aromatic polyetherimides can be blended with aromatic alkyl methacrylate polymers to give transparent, single phase and completely miscible materials at all compositions. Such blends, which exhibit only one glass transition, are endowed with improved workability, ease of processing and toughness compared to the polyetherimide alone as well as improved heat distortion, modulus and tensile strength as compared to the methacrylate alone. Aromatic polycarbonates, which are ordinarily immiscible with aromatic polyetherimides, can be compatibilized into single phase blends after the addition of a polyaromatic alkyl methacrylate.

Abstract: An aromatic polyamide resin composition useful for producing compression-molded resin articles having an excellent impact strength, comprising 3 to 40% by weight of PEEK resin fibers, the balance consisting of an aromatic polyamide resin particles, and optionally, 10% by weight or less of PTFE resin particles, which effectively enhance the abrasion resistance of the compression-molded resin article.

Abstract: A primer for protecting the exterior surfaces of an underground metal pipe against corrosion at temperatures of up to 250.degree. F. includes a butyl elastomer, an aliphatic hydrocarbon resin, a heat curable phenolic resin which crosslinks at between approximately 180.degree. F. and 250.degree. F., and a hydrocarbon solvent. The primer can be effectively utilized in a method which includes the steps of applying the primer to the exterior surface of a metal pipe, allowing the primer to at least partially cure, and applying a protective adhesive tape to the pipe over the primer.

Abstract: The improved resin composition comprises:(A) a melt-workable liquid-crystal polyester resin obtained by polymerizing components selected from the group consisting of a dicarboxylic acid represented by the general formula (a) HOOC--R.sub.1 --COOH, a diol represented by the general formula (b) HO--R.sup.2 --OH, and an oxycarboxylic acid represented by the general formula (c) HO--R.sup.3 --COOH;(B) a polycarbonate resin having a recurring unit represented by the general formula: ##STR1## (C) a polyolefin and/or an olefinic copolymer, and the polyolefin and/or olefinic copolymer (C) is contained in an amount of 1-15 parts by weight per 100 parts by weight of a resin consisting of 95-5 wt % of the liquid-crystal polyester resin (A) and 5-95 wt % of the polycarbonate resin(B). This resin composition is balanced between various physical properties including moldability, heat resistance, impact resistance, dimensional stability and stiffness.

Abstract: A compatibilizer polymer specially adapted for compatibilizing blends of aromatic polycarbonates and syndiotactic vinyl aromatic polymers, comprising the reaction product of a C.sub.2-18 organic diamine compound and a polar group modified polyphenylene ether.

Abstract: A resin composition which includes (A) 100 parts of a blend of a polyacrylate and a poly(alkylene-phenylene ester) and (B) 1-50 parts of a chemically modified polyolefin copolymer exhibits superior impact resistance, particularly low temperature impact resistance, while retaining good melt viscosity for molding. The polyacrylate may be produced by polymerizing a dihydric phenol formula I: ##STR1## with an aromatic dicarboxylic acid, a dichloride derivative, an alkylated derivative or an arylated derivative thereof. The chemically modified polyolefin copolymer has a structural unit containing at least one amide group at and at least one glycidyloxy or glycidyl group, with the number of the structural unit contained in the copolymer being one per from 4 to 5,000 carbon atoms of the polyolefin moiety.

Abstract: Thermoplastic elastomers in which low molecular weight ethylene/propylene/nonconjugated diene rubber ("liquid" EPDM rubber) replaces part of the high molecular weight EPDM rubber used in conventional blends exhibit better tension set properties than conventional blends in which liquid EPDM rubber is not used. A masterbatch containing liquid EPDM rubber and phenolic curing resin which is added to a mixture of polyolefin, high molecular weight EPDM rubber, and other ingredients during mixing results in a thermoplastic elastomer having better mechanical properties as well as better tension set properties than blends of conventional materials.

Abstract: The invention relates to ternary polymer alloys comprised of thermoplastic polymers which alloys are comprised of the following components:A) 0.1-99.9 wt. % of a polyester-polycarbonate mixture comprised of:a.1) 0.1-99.9 parts by weight (pbw) of a polyester, anda.2) 99.9-0.1 pbw of a polycarbonate; andB) 99.9-0.1 wt. % of a poly(meth)acrylate ester PA containing 20-100 pbw of units of at least one monomer of formula I ##STR1## where R.sub.1 represents hydrogen or methyl, R.sub.2 represents hydrogen a C.sub.1-6 alkyl group or a group --(CH.sub.2).sub.n --QR.sub.3,wheren represents zero or a number in the range 2-6, andQ represents oxygen or a group --NR.sub.4, andR.sub.3 and R.sub.4 mutually independently represent hydrogen or a C.sub.1-4 alkyl group; andA represents a C.sub.1-4 alkylidene group or a group --(CH.sub.2).sub.m --O--,wherem is a number from 2 to 6, andq is zero or 1 wherein the sum of the wt. % of components (A) and (B) is 100% and the sum of the pbw figures of components (a.1) and (a.

Abstract: This invention relates to thermoplastic molding compositions comprising the following:(a) about 5 to about 95% by weight of a polyester or a polyester, comprising: repeat units derived from terephthalic acid, ethylene glycol, and 1,4-cyclohexanedimethanol wherein the mole ratio of ethylene glycol to 1,4-cyclohexanedimethanol is from 66:34 to 98:2, said polyester having an I.V. of about 0.3 dL/g to about 1.2 dL/g, and(b) about 5 to about 95% by weight of a polyphenylene ether.The compositions are useful for producing clear articles by injection molding or extrusion.

Abstract: This invention relates to an adhesive for use with elastomeric substrates such as EPDM roofing materials, a method for splicing elastomeric substrates using splice adhesives and a laminate. The adhesive of this invention combines butyl rubber crosslinked after polymerization, halogenated butyl rubber, tackifying resin, and an isocyanate partially reacted with a diamine in a shelf stable product which rapidly forms strong bonds resistant to heat and humidity.

Abstract: The invention relates to polymer blends, which can be processed like a thermoplastic, whose bulk A) (50 to 90 wt. %) is polymethylmethacrylate or a polymethacrylate resin; and which also contain 5 to 40 wt. % of, as component B), a tough polymer, in particular an ABS polymerizate; and contain 5 to 40 wt. % of, as component C), a polycarbonate or a polyester carbonate. By adding component C), the heat resistance, impact strength and notched impact strength are improved in the known polymethacrylate/ABS blends. With the addition of an impact modifying component D), contained in quantities of 0 to 20 wt. % in the polymer blend, the impact strength and notched impact strength can be further raised. Preferably, recycled polymers can be added as the polymeric mix components.

Abstract: Compatible polyphenylene ether-poly(alkylene dicarboxylate) blends contain an impact modifier and, as a compatibilizing agent, a copolymer of an alkenyl aromatic compound and a polymerizable cyclic ortho ester, typically an ortho ester acrylate such as 4-acyloyloxymethyl-2-methoxy-2-methyl-1,3-dioxolane.

Abstract: A thermoplastic resin composition comprises the following components (A) and (B):component (A): 10 to 90% by weight polyphenylene ether resin,component (B): 90 to 10% by weight unsaturated copolymer resin obtained by copolymerizing at least one .alpha.-olefin having 2 to 12 carbon atoms and a diene compound having 4 to 15 carbon atoms, and containing 0.01 to 50 mol % of diene compound. This resin composition has excellent resistance to organic solvents and superior mechanical properties.

Abstract: Disclosed is a styrene polymer composition comprising, in a specified proportion,(A) a styrene polymer having no functional group, and(B) either of polyphenylene ether having a polar group or a mixture of polyphenylene ether having a polar group and a styrene polymer having no functional group; or a styrene polymer composition comprising(C) polyamide, as well as above Components (A) and (B).These polymer compositions are excellent in impact resistance, water resistance, and mechanical properties, and are suitable for various purposes.

Abstract: This invention is a thermoplastic blend based on polycarbonate, thermoplastic polyurethane and an impact modifier. These resins have been found to be suitable for preparing molded or shaped articles having excellent combinations of processability, heat resistance, flexibility, solvent resistance and low temperature toughness. These resins comprise (a) about 35 to about 65 percent by weight of a thermoplastic aromatic polycarbonate; (b) about 35 to about 65 percent by weight of a thermoplastic polyurethane; and (c) about 1 to about 20 percent by weight of an impact modifier, which weight percentages are based on the combined weights of the polycarbonate and thermoplastic polyurethane. A preferred embodiment of the present invention is a thermoplastic automobile part, such as a bumper facia, prepared from such a thermoplastic resin.

Abstract: A preferred rigid thermoplastic resin composition having high impact strength and resistance to thermal distortion includes a vinyl chloride resin/polycarbonate alloy and at least 3 parts by weight of butadiene-modified acrylic per 100 parts by weight of the alloy. A particularly preferred thermoplastic resin composition includes the alloy and both butadiene-modified acrylic and ethylene-vinyl acetate copolymer.

Abstract: The invention relates to compatible blends having good surfaces of aromatic polycarbonates or poly(ester) carbonates and polyamides and, optionally, graft polymers and typical additives with addition of polymers containing sulfonamide units as compatibilizers, to a process for the production of these blends and to their use for the production of moldings having good surface properties.

Abstract: A resin composition comprising (A) a thermoplastic resin, (B) a functional compound having one or more bonds or one or more functional groups selected from the group consisting of organic groups having a non-aromatic carbon-carbon multiple bonds, oxirane groups and substituted carboxyl groups and (C) a diamino compound represented by the following general formula:R.sup.I NH--X--NHR.sup.IIwherein R.sup.I and R.sup.II each represents a hydrogen atom or an alkyl group optionally having one or more inactive substituents, and X represents an alkylene group having 7 to 30 carbon atoms and optionally having one or more inactive substituents.

Abstract: There is disclosed a resin composition for powder coatings, which comprises a blend of two acrylic resins obtained by polymerizing a prescribed amount of monomer component (a-1) represented by formula (I) and a prescribed amount of another monomer component (a-2), respectively, and having different polymerization degrees represented by viscosities at 140.degree. C. and a polybasic acid compound in 1.5 to 0.5 equivalent ratio of the glycidyl groups in said acrylic resins to the acid groups in the polybasic acid compound. ##STR1## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom or a lower alkyl group. The resin composition for powder coatings can form a coating film having a mat smooth appearance and being excellent in flexibility as shown by Du Pont impact resistance and the Ericksen test as well as being excellent in nail scratch resistance.

Abstract: A composition possessing a desirably high balance of resistance to thermal deformation and to chemical solvents, and reduced notch sensitivity, prepared from a polycarbonate having a glass transition temperature in excess of at least 165.degree. C., an aromatic polyester, a polyphenylene ether, and an elastomeric impact modifier.

Abstract: A polycarbonate blend of good impact strength, solvent resistance and weldline properties is prepared by admixing with polycarbonate an aromatic polyester, a grafted olefin/carbon monoxide copolymer and, optionally, an elastomeric toughening agent such as a rubber, and, optionally, a filler.

Abstract: A resin composition prepared by melting and kneading (A) a polyphenylene ether resin, (B) a polyolefin resin and (D) a functional compound simultaneously having (i) non-aromatic carbon-carbon multiple bond(s) and (ii) at least one functional group selected from the group consisting of substituted carboxyl groups, substituted hydroxyl groups, substituted amino groups, substituted silyl groups, substituted mercapto groups, substituted sulfonic acid groups and oxirane groups, or by melting and kneading (A) a polyphenylene either resin, (B) a polyolefin resin, (C) an elastomer and (D) a functional compound as mentioned above.

Abstract: A monoglycidyl stabilized polycarbonate and polyamide blend comprising a polycarbonate, a polyamide, a polymeric compatabilizing agent and a monoglycidyl compatabilizing agent is provided wherein the monoglycidyl stabilizer effectively end caps the polyamide without cross linking polymer chains. The polymeric compatabilizing agent comprises a polyetherimide, a polyurethane, a linear segmented thermoplastic elastomer having an ester segment and a hard segment of semi-crystalline, partially aromatic polyamide based on diphenylmethane diisocyanate, hydroxyl containing phenoxypolymers, polyamide-polyarylate block copolymers, polyamide-polyester block copolymers, or blends thereof. The polycarbonate and polyamide blend may further comprise an impact modifying agent or an alloying agent.

Abstract: Polymer blends useful as thermoplastic molding resins comprise PC, PETG and sufficient rubber, e.g. nitrile rubber or ethylene-acrylate copolymer rubber, to enhance the moldability of the blend. Preferred blends comprise at least 30% PC, 30% PETG and 5% rubber.

Abstract: A thermoplastic resin composition is disclosed which comprises(a) a modified polyphenylene ether or a composition containing it, and(b) (i) a modified propylene polymer comprising propylene polymer which is graft-copolymerized with a styrene based monomer or with a mixture of a styrene based monomer and a monomer copolymerizable therewith, or (ii) a composition containing the modified propylene polymer in (b)-(i) and propylene polymer. The resin composition may contain (c) a rubber-like substance containing at least one rubber-like substance having a polar group and/or (d) a melt flow characteristics improving agent.

Abstract: The present invention provides a thermoplastic resin composition which comprises:(i) at least one compatibilizing agent in an amount effective for compatibilization,(ii) (A) a polyphenylene ether in an amount of about 40-100% by weight based on the total amount of (A) and (B) and(B) a homopolymer of alkenyl aromatic compound or a random copolymer of alkenyl aromatic compound and unsaturated compound in an amount of 0-about 60% by weight based on the total amount of (A) and (B), the total amount of (A) and (B) being about 10% by weight or more based on total amount of all polymer components,(iii) at least one polyamide in an amount more than the amount required for forming a continuous phase, and(iv) a compound having a molecular weight of 2,000 or less, containing nitrogen element, and having ring opening or condensation polymerizability or reactivity with acid or amine.

Abstract: An aromatic polycarbonate resin composition which contains(A) 3-97 parts by weight of an aromatic polycarbonate resin in which the ratio of the phenolic terminal group represented by the following formula I: ##STR1## with respect to the nonphenolic terminal group represented by the following formula II: ##STR2## (in which R.sub.1 and R.sub.2, which may be identical to or different from one another, are selected from a hydrogen atom and alkyl groups containing 20 or fewer carbon atoms which may or may not be substituted with halogen atoms)I/II is 1/19 or higher,(B) 97-3 parts by weight of a polyphenylene ether resin, A+B=100 parts by weight, and(C) 0.5 to 100 parts by weight, with respect to 100 parts by weight of the combined weights of (A) and (B), of a styrene copolymer which has an epxoy or oxazoline group.

Abstract: The present invention relates to compositions comprising at least one elastomer and at least one plastic. The composition can be produced by preparing the elastomer and then blending it with the plastic. The composition can be subjected to an additional step of curing.

Abstract: A thermoplastic molding composition comprising a polycarbonate resin and ABS is rendered improved levels of resistance to gasoline environment and thermal stability upon the incorporation therewith of a particular vinyl copolymer.

Abstract: Covulcanizable compositions comprising (A) 55-100% by weight of an elastomeric copolymer of vinylidene fluoride with perfluoropropene optionally tetrafluoroethylene and containing from 0.001 to 2% by weight of bromine; (B) 0-45% by weight of a tetrafluoroethylene and propylene copolymer; (C) 0.7-2.5 parts for 100 parts of mix (A)+(B) of a bisphenol compound; (D) 0.3-1.5 parts for 100 parts of mix (A)+(B) of an organic guaternary compound of ammonium, phosphonium or aminophosphonium; (E) 0.4-5 parts for 100 parts of mix (A)+(B) of an organic peroxide; (F) 1-5% by weight of (A)+(B) of a peroxide cross-linking coagent.

Abstract: A novel thermoplastic composition having improved paint adhesion strength comprising,A) from about 5 to 95 weight % of a6t least one polyphenylene ether.B) from about 95 to 5 weight % of at least one polyamide,C) paint adhesion improving amount of at least one paint adhesion improver selected from the class consisting of(1) homopolymers or copolymers of unsaturated nitrile compounds and(2) homopolymers or copolymers of alkyl (meth)acrylate, excluding an ethylene alkylacrylate copolymer having about 50 weight % or higher of ethylene,D) from about 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 by weight of the total of the polyphenylene either and polyamide.

Abstract: Thermoplastic material comprising:A) 20-80% polycarbonateB) 10-60% styrenic/nitrile copolymerC) 5-30% ABS or MBS with a median particle size of 0.2-0.5 micronsD) 20-60% ASA with a median particle size of 0.4-0.7 microns.

Abstract: The invention relates to polymer mixtures which comprise a polyphenylene ether, one or more polyesters and a styrene polymer with side chains consisting entirely or partly of cyclic imino ether groups. The polymer mixtures have good properties, in particular a good impact strength in combination with good flow properties and a good chemical resistance.

Abstract: A novel thermoplastic resin composition excellent in both mechanical properties and processability is provided which comprises (A) 100 parts by weight of a composition comprising (a) 5-95% by weight of a polyamide having a relative viscosity of 1.6-3.3 and content of end amine group of 35-95 mmole/kg and (b) 95-5% by weight of a polyphenylene ether obtained by oxidation polymerization of at least one phenol compound represented by the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 which may be identical or different and represent a hydrogen atom, a halogen atom or a substituted or unsubstituted hydrocarbon residue, with a proviso that at least one of them is a hydrogen atom and (B) 0.01-100 parts by weight of at least one mutual compatibilizer. The compatibilizer may be a modified rubber-like material and/or an epoxy compound.

Abstract: A dynamically vulcanized alloy composition having improved tensile strength including a first butyl or halogenated butyl rubber-based elastomer and a second EPM and/or EPDM elastomer in a matrix of a crystalline polyolefinic resin, and processes for producing the improved composition.

Abstract: A method of effecting chemical bonding between a thermoplastic polymer having the recurring unit: ##STR1## and a synthetic rubber, comprising, covulcanizing a polyphenylene ether containing, thermoplastic molding compound and said synthetic rubber by heating the mixture in the presence of a vulcanizing system, said polyphenylene ether containing, thermoplastic molding compound having the composition, a) 100 parts by weight of polymers of ortho-substituted phenols having the formula: ##STR2## where R.sub.1 and R.sub.2 independently represent a methyl group or hydrogen, and R.sub.3 and R.sub.4 represent an alkyl group with up to 6 carbon atoms, or R.sub.3 represents hydrogen and R.sub.

Abstract: The invention is a polyester and a method for producing a polyester filament which has a combination of flame resistance and low pilling properties. The method comprises forming a polyester polymer from a mixture consisting essentially of terephthalate acid or dimethyl terephthalate, ethylene glycol, a chain branching agent having a functionality of at least 3 and a phosphinic acid in the amount between 0.5 and 20 mole percent of the terephthalate acid and monomer. In particular, the invention also comprises the enhanced fiber formed by the process, as well as the fabrics having a pilling of about 3 to less than 5 as measured in accordance with ASTM D-3512-82.

Abstract: A molding composition comprising a mixture of an aromatic polycarbonate based on a substituted dihydroxy diphenylcyclohexane, a copolymer of a resin forming vinyl monomer and a graft polymer of a resin forming monomer onto a diene rubber, and a process for its manufacture and use for making heat resistant shaped articles are disclosed.

Abstract: The present invention relates to improved polyphenylene ether-polyamide composition wherein the polyamide component comprises a mixture of amorphous and crystalline polyamide. A compatibilizing material is added as well as a modifying resin is added. The composition have good impact strength and water resistance.

Abstract: A vinylidene fluoride resin composition which comprises (A) 10 to 95 parts by weight of a vinylidene fluoride resin, (B) 1 to 80 parts by weight of a resin having a poor compatibility with said vinylidene fluoride resin (A), and (C) 1 to 30 parts by weight of a resin having an excellent compatibility with both said vinylidene fluoride resin (A) and said resin (B), total amount of said resins (A), (B) and (C) being 100 parts by weight. The film obtained by baking the composition of the present invention has the structure that the surface side is rich in the VdF resin, and the excellent adhesion to the substrate. Consequently, the film has the excellent chemical resistance, adhesion to a substrate, and the like.

Abstract: A thermoplastic polymer blend molding composition comprises A) an ABS graft copolymer component; B) a polycarbonate component and C) a weld-line strength enhancing amount of a polyalkylmethacrylate, preferably polymethylmethacrylate.

Abstract: A method of preparing a film-forming polyphenylene oxide (PPO) composition as well as a laminate using such composition, wherein a setting means selected from the group consisting of a crosslinking monomer, a crosslinking polymer, and mixtures thereof, and, optionally, an initiator are added to and mixed with PPO, and a sufficient film-forming property is provided to PPO by allowing the setting means and, if present, the initiator to crosslink, whereby the PPO composition has the ability to form a film. Further, when a plurality of such films are stacked and integralized to form a metal-clad laminate, the laminate exhibits low dielectric constant and loss, so as to be used effectively in superhigh frequency bands such as the X band used for satellite communication.

Abstract: Thermoplastic molding composition containing a polycarbonate, a polyester, an olefin/carbon monoxide copolymer, a mono-alkenyl aromatic/diene block copolymer and a grafted core-shell elastomer.

Abstract: Disclosed is a thermoplastic resin composition consisting essentially of(1) 1 to 97 parts by weight of a methacrylimide-containing thermoplastic polymer (A) containing at least 10% by weight of methacrylimide units of the general formula ##STR1## where R is a hydrogen atom or an aliphatic, aromatic or alicyclic hydrocarbon groups of 1 to 20 carbon atoms, the methacrylimide-containing polymer (A) including acid groups and acid anhydride group in an amount of not less than 0.41 milliequivalent per gram of the thermoplastic polymer;(2) 1 to 97 parts by weight of a thermoplastic polyester (B); and(3) 2 to 98 parts by weight of a polycarbonate resin (C); the combined amount of components (A) to (C) being 100 parts by weight.

Abstract: An improved method for the preparation of crosslinked polycarbonates comprises the reaction at elevated temperature of a composition containing cyclic polycarbonate oligomers with at least one polyglycidyl acrylate copolymer formed by the reaction of at least one olefinic compound with a glycidyl acrylate monomer. Further disclosed are network polycarbonates wherein the carbonate chains are linked to each other via polyglycidyl acrylate copolymer groups, and prepreg compositions which comprise a filler and a mixture of cyclic polycarbonate oligomers with a polyglycidyl acrylate copolymer.

Abstract: Disclosed are polymer blends and compolymers of polyphenylene ethers, functionalized by copolymers of dicarboxylic acid and salicylic acid, which react with polyamides and are capable of compatibilizing blends of polyphenylene ethers and polyamides.

Abstract: Polyphenylene ether-polyamide compositions compatibilized with polyfunctional compounds such as aliphatic polycarboxylic acids can achieve improved impact strength and ductility by producing an intermediate polyphenylene ether-polyamide product containing at least some nylon 6,6 and thereafter further compounding the intermediate product with a second polyamide component containing at least some of a polyamide different from nylon 6,6.