Abstract: The present invention relates to a thermoplastic composition comprising at least one crystalline water sensitive polymer and at least one amorphous water sensitive polymer. The thermoplastic composition may optionally further comprise additional ingredients such as other polymers, tackifying resins, plasticizers, waxes, and mixtures thereof. The thermoplastic compositions are useful in a variety of applications wherein water or moisture sensitive thermoplastic materials are employed such as various packaging adhesive applications including case and carton sealing, remoistenable adhesives, repulpable/recyclable adhesives and multiwall bag applications. The present invention is also useful for moisture activatable reinforcement strings and opening tapes for corrugated containers, as well as for a variety of nonwoven applications such as body fluid impermeable barriers, core stabilization adhesives, and construction adhesives.

Abstract: The invention relates to injected components based on polyamide resin (A) and on at least one copolymer (B) of ethylene and of an unsaturated epoxide, the copolymer (B) being obtained by copolymerization or by grafting the epoxide. The copolymer (B) is advantageously an ethylene/alkyl (meth)acrylate/glycidyl (meth)acrylate copolymer. The melt flow index of the compositions containing (A) and (B) is greater than the ratio of the melt flow index of (A) over 0.175 times the weight percentage of (B).

Abstract: Molecular dispersions of rigid-rod polybenzobisazole polymer/copolymer in thermoplastic matrices in a weight ratio of about 1:99 to 50:50 are prepared by dissolving the rigid-rod polymer in an alcoholic or aprotic solvent, dissolving the thermoplastic polymer in an alcoholic or aprotic solvent, combining the two solutions and recovering the resulting molecular composite from the combined solution. These molecular dispersions consist essentially of rigid-rod polybenzobisazole polymer/copolymer having sulfonic acid groups pendant to the polymer/copolymer backbone and thermoplastic polymers selected from the group consisting of polyvinylpyridines, poly(arylene ether ketone)s with a pyridyl functionality, aromatic poly(pyridine ether)s and poly(pyridine ether sulfone) copolymers, and polyimides with a pyridyl functionality.

Abstract: This invention describes a staged process in which successive dynamic vulcanizations of plural curable rubber blend components are based on condensation reactions of a functional group (reactive site) carried by each curable rubber. The process is carried out in three stages during each of which gases evolved during the condensation reactions are removed. It is essential to form an intermediate fully dense hard blend in the second stage. This intermediate hard blend contains a relatively large amount of plastic (relative to curable rubbers) and is therefore much harder than the desired final blend. In the third stage, additional rubber and curative for uncured rubber are added to achieve the desired softness. This process, carried out in an extruder, results in fully dense pellets which are injection moulded to produce articles having essentially the same specific gravity as that of the pellets.

Abstract: A composition comprising a resin having latent primary amine functionality is described. The 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 resin is combined with a curing agent having a plurality of cyclic carbonate groups in a crosslinkable coating composition.

Abstract: The instant invention teaches a method for enabling the formation of a high damping, soft polymer gel. The method includes: reacting a poly(maleimide-co-alkenyl benzene) polymer with a nylon and an alkyl diamine under substantially dry conditions sufficient to form a nylon grafted poly(maleimide-co-alkenyl benzene) polymer product; and, dispersing the nylon grafted poly(maleimide-co-alkenyl benzene) polymer product with an extender oil sufficient to form the gel. The instant invention also contemplates a polymer gel composition, a polymer composition and an article manufactured from the polymer gel composition.

Abstract: Homo- or copolymers A composed ofA.sub.1) 40-100% by weight of monomers of the general formula I ##STR1## A.sub.2) 0-60% by weight of monomers of the general formula II ##STR2## and A.sub.3) 0-10% by weight of further monomers capable of free radical polymerization,the percentages by weight of the monomers A.sub.1) to A.sub.3) summing to 100% andR.sup.1 and R.sup.4 being identical or different radicals and each being hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.2, R.sup.3, R.sup.5, R.sup.6 being identical or different radicals and each being hydrogen or C.sub.1 -C.sub.4 -alkyl,with the proviso that at least two radicals from the group consisting of R.sup.1, R.sup.2 and R.sup.3 and from the group consisting of R.sup.4, R.sup.5 and R.sup.6 are hydrogen, andR.sup.7 is alkyl, cycloalkyl, aryl or aralkyl,are used as branching agents for amino-containing thermoplastic polymers.

Abstract: The invention relates to impact-resistant injection mouldings based on polyamide resin (A) and on a disperse phase whose particles have a number-average diameter greater than 0.4 .mu.m, a volume-average diameter greater than 1 .mu.m and such that more than 50% by volume of the particles are larger than 1 .mu.mThe disperse phase may consist of a mixture including at least one copolymer (B) of ethylene and of an unsaturated epoxide and of at least one polyolefin (C).

Abstract: Thermoplastic molding materials containA) from 4 to 95% by weight of a semicrystalline, partly aromatic copolyamide composed ofa.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid,a.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acid,a.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine anda.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms,the molar percentages of components a.sub.1) to a.sub.4) together giving 100%, andB) from 4 to 95% by weight of a polyolefin homo- or copolymer or a mixture thereof,C) from 1 to 20% by weight of a compatibilizer,D) from 0 to 20% by weight of an elastomeric polymer,E) from 0 to 50% by weight of a fibrous or particulate filler andF) from 0 to 30% by weight of conventional additives and processing assistants,the percentages by weight of components A to F together giving 100%.

Abstract: A composite material having improved thermal and mechanical properties is provided by a thermoplastic multilayer composite consisting at least of(I) a layer of a polyvinylidene fluoride moulding composition,(II) a layer directly adjacent to the layer I, comprising a moulding composition based on a mixture of(a) from 40 to 90% by weight of a polyamide, and(b) from 10 to 60% by weight of a polyglutarimide,(III) a layer directly adjacent to the layer II comprising a suitable coupling agent, and(IV) a layer directly adjacent to the layer III, comprising a polyolefin moulding composition, with adjacent layers being firmly bonded to one another. By means of the invention it is possible to obtain composite materials having the desired improved property profile.

Abstract: Polyalkenylaromatic-polyethylene copolymers are prepared using protected functional organolithium initiators. Polymerization of an alkenylsubstituted aromatic monomer followed by ethylene, results in a protected functional block polystyrene-co-polyethylenyllithium. Termination with a functionalizing agent followed by deprotection produces polymeric products with high functionalization at the initiating chain-end and at least partial functionalization at the terminal chain-end.

Abstract: Disclosed are thermoplastic resin compositions having improved heat resistance, e.g., IR soldering and HDT; increased ductility and flowability; and reduced flash. In particular, the thermoplastic resin compositions have at least one high heat amorphous resin, at least one polysulfide; and, optionally, at least one reinforcing filler and/or at least one polyolefin and/or at least one polyolefin compound and/or at least one polyepoxy compound. The high heat amorphous resin is preferably a polyetherimide and the polyolefin is preferably a high crystalline polyethylene. The compositions of the invention are particularly well suited for preparing no flash high heat electrical connectors.

Abstract: A thermoplastic elastomer composition has a plastic phase or matrix of an engineering thermoplastic such as a polyamide and a crosslinked phase of cured acrylic rubbers. The rubbers contain at least two functionalized acrylic rubbers wherein the functional group such as a carboxyl, an epoxy, or a hydroxyl can be the same or different. The curing agents generally react via covalent bonding with the reactive functional groups of the rubbers. The composition can be dynamically vulcanized and when one of the rubbers is a terpolymer of ethylene-alkyl acrylate-unsaturated carboxylic acid, the composition has a single low temperature brittle point.

Abstract: The invention provides a thermoplastic resin composition uniformly and permanently rendered antistatic which comprises (A) 100 parts by weight of a thermoplastic resin, (B) 3-30 parts by weight of a cationic copolymer comprising 80-98 mol % of an ethylene unit and 2-20 mol % of a cationic unit and having a weight-average molecular weight of 1,000-50,000, and (C) 0.

Abstract: Thermoplastic molding materials containA) from 5 to 95% by weight of a semicrystalline, partly aromatic copolyamide composed ofa.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid,a.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acid,a.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine anda.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms,the molar percentages of the components a.sub.1) to a.sub.4) summing to 100%,B) from 5 to 95% by weight of a copolymer of vinylaromatic compounds with .alpha.,.beta.-unsaturated dicarboxylic anhydrides and .alpha.,.beta.-unsaturated dicarboximides,C) from 0 to 90% by weight of an SAN, ABS or ASA polymer or of a polymer of a C.sub.1 -C.sub.

Abstract: In a method for curing a resin by utilizing an intermolecular crosslinking reaction, the improvement wherein the crosslinking reaction is a a ring opening addition reaction between a lactone structure and an active hydrogen-containing functional group.

Abstract: This invention provides the following resin composition, method for producing the composition, resin slide material, organic solvent resist material and glass fiber reinforced composition obtained therefrom. A polycarbonate/polyolefin based resin composition exhibiting an improved polycarbonate/polyolefin compatibility prepared by melt kneadin (A) a polycarbonate resin; (B) a polyolefin resin; (C) a polyolefin resin that has been modified with at least one functional group selected from the group consisting of epoxy, carboxyl, and an acid anhydride groups; (D) a compound represented by the formula: HOOC--R--NH.sub.2 wherein R represents at lease one member selected from the group consisting of an alkene group, an alkylidene group, and an oligmethylene group containing 5 or more carbon atoms, and phenylene group and naphthylene group optionally substituted with an alkyl group; and optionally, (E) a styrene copolymer resin.

Abstract: There is disclosed a thermoplastic resin composition comprising as principal components a [A] thermoplastic resin having a functional group reactive with an amino group, a [B] olefinic polymer and/or styrenic polymer, the subtotal of the above [A]+[B] being 100 parts by weight, and 0.

Abstract: A process for the production of hydrophilic membranes using at least one hydrophobic polymer and polyvinyl pyrrolidone as a hydrophilic polymer, membrane-forming shaping of the polymers and immobilization of the polyvinyl pyrrolidone is characterized in that the polyvinyl pyrrolidone is immobilized on and/or in the membrane by treatment with an aqueous solution of peroxodisulphate in a hot condition. The solution of peroxodisulphate is kept substantially free of oxygen during immobilization by degassing the solution. The membranes are used for hemodialysis, hemodiafiltration and hemofiltration of blood.

Abstract: A fibrous pulp of a combination of poly(p-phenylene terephthalamide) and poly(vinyl pyrrolidone) is provided, along with a process for making it. The process involves conducting a poly(p-phenylene terephthalamide polymerization reaction in the presence of poly(vinyl pyrrolidone) and the product is an improved pulp with increased fibrils and no fiber stalks.

Abstract: A poly(p-phenylene terephthalamide) composition is disclosed comprising 50 to 95 weight percent PPD-T and 5 to 50 weight percent PVP along with a process for making the composition and articles made from the composition.

Abstract: Resin compositions having excellent heat resistance, izod impact strength, rigidity and dimensional resistance and the like, applied in the fields of the automobile, electric and electronic, and the like industries. The resin composition comprising: a) a resin in which 30 to 98 mole % of the component (I) are contained in the whole polymer and 70 to 2 mole % of the component (II) are contained in the whole polymer, its weight-average molecular weight converted into that of polystyrene being 1.times.10.sup.3 or more to 5.times.10.sup.6 or less, and b) an olefin resin; then the a)/b) content being 5/95 to 99/1 as a weight ratio, ##STR1## wherein R.sub.1 is an alkyl group having 1 to 18 carbon atom(s) or a cycloalkyl group having 3 to 12 carbon atoms; and ##STR2## wherein R.sub.2 is hydrogen or an alkyl group having 1 to 8 carbon atom(s), and R.sub.3 and R.sub.4 is an alkyl group having 1 to 8 carbon atoms.

Abstract: A thermoplastic resin composition is provided which contains polyetherimide resin, poly(arylene sulfide) resin, an epoxy compound and, optionally, glass fibers. The composition exhibits enhanced physical properties, specifically enhanced ductility and flash resistance. The composition is useful for making molded articles exhibiting desired physical properties.

Abstract: Described herein is a composition comprising at least 10 percent by weight of water and, based on the weight of components (a), (b), and (c); (a) 0 to about 95 percent by weight of a water-compatible polymer having at least two pendant carboxylate groups; (b) 1 to about 60 percent by weight of a polymeric polycarboxylate polymer different from (a) having (1) at least two pendant carboxylate groups and (2) at least one internal amide, thioamide, urea, thiourea, biuret, dithiobiuret, or urethane group; and (c) 2 to about 70 percent by weight of a polyfunctional crosslinking agent having an ionic or potentially ionic moiety counter ion capable of reacting with the carboxylate groups of (a) and (b). Component (b) may also contain fluoroalkyl groups. The composition of the invention provides a water-based coating which, when deposited on a surface to be coated and allowed to dry and form a crosslinked polymer, has a high degree of wear resistance, hardness, and impact resistance.

Abstract: A copolymer of a TMI/amino compound 1:1 monoadduct with ethylenically unsaturated comonomers is provided, as well as a process for producing the same. Such copolymers in and of themselves may find use as aminoplast crosslinking agents, or can readily be modified thereto. Curable compositions can be formulated from the crosslinker alone or in combination with polyfunctional active hydrogen compounds, which can be cured to produce crosslinked films and objects.

Abstract: The invention provides novel blends and processes for producing such blends which include a polyamide, an olefinic acid copolymer or salt thereof, and a maleated ethylene/propylene rubber, wherein such novel blends may be processed by conventional extrusion and molding techniques, do not require a separate curing step or procedure in the overall production process, and which produces articles which have some physical characteristics similar to those exhibited by thermoplastic elastomers. The inventive compositions exhibit feature excellent resistance to zinc chloride solutions and are formable in a single melt blending step.

Abstract: A poly(p-phenylene terephthalamide) composition is disclosed comprising 50 to 95 weight percent PPD-T and 5 to 50 weight percent PVP along with a process for making the composition and articles made from the composition.

Abstract: An azlactone-functional thermoplastic composition is disclosed. The composition is a blend of an azlactone-functional composition and a thermoplastic polymer. A method of making azlactone-functional homopolymers by bulk homopolymerization is disclosed, optionally also concurrent or sequential blending of a thermoplastic polymer. A method of blending azlactone-functional compositions and thermoplastic polymers is disclosed. Molded articles and adduct molded articles formed from the thermoplastic composition are disclosed.

Abstract: A flexible, thermoplastic, blow moldable composition which comprises a substantially homogeneous blend of A) about 40-60 wt. % polyamide, B) about 20-58 wt. % of a first ethylene copolymer selected from the group consisting of copolymers of ethylene and at least one alpha, beta ethylenically-unsaturated carboxylic acid having 3-8 carbon atoms, and ionomers of said ethylene copolymers, C) about 1-20 wt. % of a second ethylene copolymer having interpolymerized units of ethylene and 1-10 wt. % of an alpha, beta ethylenically-unsaturated aliphatic epoxide, and D) 0.1-0.6 wt. % fibrillatable polytetrafluoroethylene or fibrillatable modified polytetrafluoroethylene.

Abstract: Hydrogenated butadiene polymers having terminal functional groups have minimum viscosity at any molecular weight when the 1,2-addition is between 30% and 70% Hydrogenated butadiene polymers having about two terminal hydroxyl groups per molecule have surprisingly lower viscosities at 30% to 70% 1,2-addition than similar polymers having either higher or lower amounts of 1,2-addition. The polymers are useful in making coatings, sealants, binders, and block copolymers with polyesters, polyamides, and polycarbonates.

Abstract: Fiber materials from synthetic polymers, wherein the synthetic polymer is a homogeneous alloy consisting essentially of.alpha.) poly-N-vinylpyrrolidone (PVP) and.beta.) at least one homo- or copolyaramide having at least one recurring structural unit of the formula (I) ##STR1## where E.sup.1 and E.sup.2 are identical or different and each is a divalent aromatic or aliphatic radical.

Abstract: A molding resin composition comprises 70 to 99.5 wt. % of a mixture A comprising (a) 5 to 95 wt. % of a polyamide and (b) 95 to 5 wt. % of a thermoplastic polyester and 0.5 to 30 wt. % of a copolymer B obtained from (c) 80 to 98 wt. % of an aromatic vinyl compound, (d) 19 to 1 wt. % of alpha, beta-unsaturated carboxylic acid compound and (e) 19 to 1 wt. % of an unsaturated epoxy compound. It may further comprise (f) 50 to 10 wt. % of glass fiber.

Abstract: The lubricious hydrophilic coatings of the invention are significantly more lubricious when wet than when dry, are adherent to a variety of substrates, and are resistant to removal by wet abrasion. In one embodiment, the coatings include a hydrophilic polyolefin such as polyvinyl-pyrrolidone and a water-insoluble stabilizing polymer such as a cellulose ester. The coatings may also include an adherent polymer and a plasticizing agent. The coating may be applied by preparing a solution of the stabilizing polymer and a solution of the hydrophilic polyolefin, and coating the substrate first in one then the other. Alternatively, both the stabilizing and hydrophilic polymers may be dissolved in a single solvent system and applied to the substrate in a single step. In another embodiment, only a solution of a hydrophilic polyolefin is applied directly to the substrate.

Abstract: A thermoplastic propylene resin composition of the present invention is obtained by blending a polyamide resin (F), an epoxy group containing copolymer (G) with a graft resin composition (J) obtained by graft copolymerizing an unsaturated carboxylic acid or a derivative thereof onto a mixture of polypropylene (C) and a rubber-like material (H) wherein the content of the polyamide resin (F) in the thermoplastic propylene composition is less than 60% by weight.These thermoplastic propylene resin compositions can easily be processed into molded products, films or sheets by injection molding, extrusion molding or the like, giving products which have a good balance in various physical properties and a uniform and smooth appearance. They are suitable for purposes in which especially high heat resistance, impact resistance and low-temperature impact resistance are required.

Abstract: A composition that includes a finely divided, fully imidized, polyimide dispersed in a non-volatile, fluidizing resin that is a liquid or low viscosity semi-solid at room temperature. The fluidizing resin is substantially insoluble in the polyimide at room temperature, but soluble in the polyimide at the elevated temperatures during thermal processing. The composition has the flow characteristics of a highly filled liquid. The composition if useful, e.g., as an adhesive.

Abstract: A polyamide resin composition having a multi-phase structure and a process for producing the same are disclosed, the composition comprising:(A) from 60 to 97 parts by weight of a polyamide resin containing at least 2 parts by weight of (A-1) a polyamide resin having a concentration ratio of terminal carboxyl group to terminal amino group of 1.5 or more,(B) from 3 to 40 parts by weight of an ethylene copolymer comprising:(a) from 40 to 90% by weight of an ethylene unit,(b) from 5 to 60% by weight of an .alpha.,.beta.-unsaturated carboxylic acid alkyl ester unit, and(c) from 0.3 to 10% by weight of a maleic anhydride unit, and(C) from 0.

Abstract: Tough, high melt flow, low molecular weight polyamide compositions containing toughening polymers are obtained by blending conventional polyamides with the toughening polymer and then mixing the blend with very low molecular weight polyamides which are capable of reacting with the conventional polyamide by transamidation.

Abstract: An agent is provided which renders compatible at least two incompatible thermoplastic polymers. The agent contains one di- or trisequenced copolymer comprising at least one N-vinyl pyrrolidone or methyl (meth) acrylate telomer and one mono- or difunctional oligomer selected from the group consisting of an ethylenically unsaturated polymerizable monomer, or a polycondensable monomer, or a lactam. The agent is prepared by condensation of the telomer with the oligomer and is used in the preparation of alloys of incompatible thermoplastic polymers.

Abstract: The present invention relates to improved polyphenylene ether-polyamide composition wherein the polyamide component comprises a mixture of amorphous and crystalline polyamide.

Abstract: The invention relates to a block copolymer according to the general formula A-b-B on the basis of a furan derivative as binding group (b) and the process for the preparation hereof. The furan derivative as binding group (b) is a compound according to formula (I). ##STR1## The block copolymer can simply be prepared in one single reactor and is suitable for use as compatibilizer.

Abstract: The cross-linking of halogenated polymers such as chlorinated polyethylene with bis-(2,5-dimercapto-1,3,4-thiadiazole) in the presence of a basic substance may easily be carried out and leads to improved properties of the vulcanisate, in particular when amidamines such as, for example, tetraethylene pentamine distearate are used as basic substances.

Abstract: A resin composition for a cationically electrodepositable paint comprising(A) a resin having hydroxyl groups and cationic groups such as tertiary amino groups prepared from the reaction product of a polyepoxide compound and an secondary amine having hydroxyl group(s), and(B) an epoxy resin having at least 2 epoxy functional groups each of which comprises an epoxy group directly bound to an alicyclic ring and/or bridged alicyclic ring on average per molecule.

Abstract: A polymeric substrate such as rubber or latex incorporates povidone-iodine as a control release biologically active agent.

Abstract: A process for melt-blending a polyamide with a crystalline polyolefin incompatible therewith in the presence of a rubbery compatibilizing polymer capable of chemically or physically associating with both the polyamide and the polyolefin, at a process temperature higher than the highest melting temperature of any crystalline polymer present and higher than the highest glass transition temperature of any amorphous polymer present but such that significant degradation of any polymer present does not occur, all blend components being present within stated ranges, and the melt viscosity ratio of the polyamide to that of the polyolefin at the process temperature and a shear rate of about 100-200 sec.sup.-1 being about 0.1-1.2, especially 0.4-0.8. High stiffness, supertough polymer blends, where notched Izod impact strength exceeds 535 J/m, are obtained.

Abstract: A thermoplastic and elastomeric composition comprising a polyamide resin and a rubber component, wherein the rubber component is dispersed in the form of crosslinked particles in the polyamide resin.

Abstract: Epoxy resins containing epoxidized polybutenes and a process for preparing them are disclosed. The cured epoxy resin containing epoxidized polybutene is useful as a coating or a composite and demonstrates improved flexibility and ductility and improved chemical and water resistance with no loss in heat deflection temperature.

Abstract: An impact resistant thermoplastic resin composition which comprises:100 parts by weight of a resin mixture comprising from 20 to 80% by weight of a polyamide resin (A) and from 20 to 80% by weight of a graft copolymer (B) composed of from 45 to 60 parts by weight of a conjugated diene rubber and from 40 to 55 parts by weight of a monomer mixture comprising from 60 to 80% by weight of an aromatic vinyl monomer component and from 20 to 40% by weight of a vinyl cyanide monomer component (provided that the total amount of said monomer mixture is 100% by weight) wherein the average particle size of graft rubber is from 0.2 to 1.0 .mu.m, the graft ratio is from 40 to 80%, and the weight average molecular weight of a resinous component composed of said monomer components is from 220,000 to 450,000;from 0.01 to 40 parts by weight of a copolymer (C) comprising from 50 to 80% by weight of an aromatic vinyl monomer component, from 0.01 to 30% by weight of an .alpha., .beta.

Abstract: Polymer alloys based on polybenzimidazoles are of great interest in industry due to their extraordinary thermal and mechanical properties. Alloys composed of a homo- or copolybenzimidazole and poly-N-vinylpyrrolidone are homogeneously mixed and have only one glass transition temperature.

Abstract: Polypropylene/polyamide molding compositions, suitable in particular for producing moldings, advantageously consist of, in each case based on 100 parts by weight of the molding composition,A) from 10 to 89.5 parts by weight of one or more polypropylene homopolymers and/or copolymers,B) from 10 to 89.5 parts by weight of one or more polyamides,C) from 0.

Abstract: A molding composition including a thermoplastic processable polyamide, an elastomer, and an epoxy having a plurality of epoxide groups.