Abstract: Thermoplastically processable elastomeric block copolyetheresteretheramides from recurring units of the formula ##STR1## in which ##STR2## represents a polyamide segment containing terminal carboxyl groups and having an average molar mass of 700 to 10,000,--O--E--O-- is a poly-(oxytetramethylene)-segment having an average molar mass of 600 to 3,500,--NH--F--NH-- represents a poly-(oxy-1,2-propylene)-segment containing terminal amino groups and having an average molar mass of 350 to 2,500,x and y are integers from 3 to 35 and indicate the number of the respective, randomly arranged, recurring units, the ratio x:y of components A and B varying between 5:1 and 1:5.The ether amides of the present invention can optionally be mixed with additives, fillers, modifiers, or other compatible polymers normally used in tile processing of polyamides and which are suitable for the production of molded articles, for example by injection molding, coinjection, extrusion, blow molding, etc.

Abstract: Improved thermoplastic compositions adopted for easy conversion, e.g., by injection molding or extrusion techniques, into useful shaped articles having high flexibility, and good tear resistance and elasticity, include a polyetheramide, advantageously a polyetheresteramide, and a styrene/diene copolymer, e.g., a copolymer of styrene with butadiene or isoprene, notably a linear or branched chain styrene/butadiene/styrene or styrene/isoprene/styrene copolymer.

Abstract: Polymer alloys based on (a) at least one thermoplastic, aromatic polyether-amide having a molecular weight of from 5000 to 40,000 and (b) at least one cycloolefin polymer are prepared. The proportions of the components are 99-50% by weight of (a) and 1-50% by weight of (b), the proportions adding up to 100% by weight, based on the total alloy. The polymer alloys can be used for the production of moldings.

Abstract: Thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating, a specific vinyl ether or vinyl thioether and a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule. The thermosetting composition gives cured products having excellent chemical properties, physical properties, weathering resistance and storage stability and is advantageously utilized for coating compositions, ink, adhesive and molded plastics.

Abstract: Clear and pigmented powder paint coatings are based on a thermosetting polymeric binder comprising low molecular weight, carboxylic acid functional, crystalline polyester and a coreactive glycidyl functional addition copolymer, preferably and glycidyl functional acrylic copolymer.

Abstract: There are disclosed a vinyl resin composition which comprises a resin composition comprising a vinyl polymer, a polyamideimide elastomer obtained by reacting a mixture of caprolactam, an aromatic polycarboxylic acid and a specified polyoxyethylene glycol, with 0-0.5 mole of a diamine, etc., per 1 mole of glycol contained in said mixture, the glycol component being present in a proportion of 85-30% by weight in said elastomer and the relative viscosity of the elastomer being at least 1.5 (at 30.degree. C.), and an electrolyte added as desired, and articles molded from the composition.

Abstract: Fluorine-containing thermoplastic elastomeric compositions comprising: (A) a continuous phase comprising: (1) about 0 to 90 weight percent of thermoplastic polymer having a melt temperature or glass transition temperature greater than about 150.degree. C., and (2) about 10 to 100 weight percent of block thermoplastic elastomer having a melt temperature greater than about 150.degree. C.; and (B) a disperse phase comprising particles or domains of cured, fluoroelastomer composition. Such compositions are preferably prepared by dynamically vulcanizing the ingredients of the fluorine-containing thermoplastic elastomeric composition.

Abstract: A coating composition is described comprising two components that are reactable with each other to cure the coating. The two components are:(a) a carboxyl-functional polyurethane component that is the reaction product of:(i) a polyisocyanate compound, and(ii) a compound comprising at least one acid group and at least one isocyanate-reactive group,(b) a component comprising at least two groups that are reactive with the epoxy groups on the polyurethane compound.

Abstract: Polysulfide derivatives, having the general formula (A--S--S--).sub.2 X--S--S--A processes for their production and their use for crosslinking of reversion-stable rubber vulcanizates are provided. Crosslinking with reduced reversion and loss of elastomeric properties with age is achieved by the crosslinking system provided by the invention.

Abstract: Thermosetting composition is excellent in storage stability, useful as one component thermosetting composition, gives cured products having excellent chemical properties, physical properties and weathering resistance and is favorably utilized in coating compositions, ink, adhesive and molded plastics.The thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating and optionally a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule.

Abstract: The thermo-setting reaction adhesive present as a mono-component system contains as its essential components respectively at least a) one unsaturated scaffold polymer based on a non-cross-linked elastomer in a share of 5 to 90% by weight, b) one unsaturated polyester in a share of 5 to 90% by weight, c) one unsaturated cross-linking agent in a share of 0.1 to 50% by weight, d) one setting catalyst which provides radicals with an activation temperature of 60.degree. to 300.degree. C. in a share of 0.2 to 6% by weight and f) optionally other additives. The adhesive is distinguished by high storage stability and high adhesive strength with a short cross-linking time and it is particularly suitable for bonding thermo-shrinking molded parts.

Abstract: Lightweight polyester resin molding compositions include a melt-blend of (A) between 97 to 20 parts by weight, based on 100 parts by weight of the total composition weight, of a polyester base resin, (B) between 3 to 80 parts by weight, based on 100 parts by weight of the total composition weight, of a polyolefin resin, (C) between 0.1 to 15 parts by weight, based on 100 parts by weight of the total composition weight, of a compatibilizing compound having a carbon-carbon double bond and an epoxy group in its molecule, (D) between 0.1 to 20% by weight, based on the weight of the compatibilizing compound, of a free radical initiator, and optionally, (E) up to 120 parts by weight, based on 100 parts by weight of the total composition, of a filler material. The free radical initiator is at least one compound having a one-minute half-life temperature of 130.degree. C.

Abstract: The properties of (meth)acrylic ester/(meth)acrylic acid copolymer webs, such as films and nonwovens, are improved by blending the ester/acid copolymer with a modified polyolefin, such as an ethylene/(meth)acrylic acid copolymer and/or a styrene/butadiene block copolymer, and a polyether block amide copolymer. The copolymer blend provides a polymeric material which is useful for making personal care products such as diapers and feminine pads in that it can be made water-soluble in alkaline solutions while exhibiting other properties which are necessary for adequate product performance. Such materials are also useful for packaging products, such as film for plastic bags and the like.

Abstract: This invention relates to an aqueous dispersion of a water-dissipatable polyester and a styrenated acrylic copolymer in combination with either an acrylic polymer or a hydantoin-formaldehyde resin.

Abstract: A coating composition which is capable of curing at ambient temperature to form a coating comprises (A) an anhydride-functional polymer containing at least two cyclic carboxylic acid anhydride groups per molecule and (B) an amine-functional polymer and is characterized in that the amine-functional polymer (B) contains at least two secondary amine groups per molecule, the polymer (B) being substantially free from hydroxy and ether oxygen atoms and amine nitrogen atoms in the alpha and beta positions with respect to the amine nitrogen atoms, and the carbon atoms directly bonded to the amine nitrogen atoms not being tertiary carbon atoms.

Abstract: Moldable polyester resin compositions and molded articles therefrom include, based on the total weight of all resin components:(A) between 2 to 98% by weight of a compatibilizing metal sulfonate group-containing aromatic polyester copolymer which is the polycondensation reaction product of (a) an aromatic dicarboxylic acid or its ester-forming derivative, (b) a diol compound or its ester-forming derivative, and (c) an ester-forming compound containing a metal sulfonate group;(B) between 2 to 98% by weight of an additive resin which is one of (B-I) an olefin copolymer which is the copolymerization reaction product between an olefin with at least one of an .alpha.,.beta.-unsaturated carboxylic acid or its derivative and a vinyl alcohol or its ester, and (B-II) a polyamide resin; and, optionally(C) between 0 to 96% by weight of a non-compatibilizing aromatic polyester resin.

Abstract: The present invention relates to electrostatic dissipative impact modified polymeric compositions comprising an effective amount of a chain extended block copolymer, polyvinyl halide and no more than 10 weight parts of a polymeric impact modifier per 100 weight parts of polyvinyl chloride. The chain extended block copolymer is formed from reacting a di-functional polyether with a chain extender which is a condensate selected from the group consisting of polyundecanolactam, polydodecanolactam, poly(11-aminoundecanoic acid) and (12-aminododecanoic acid).

Abstract: This invention relates to a process for preparing aqueous blends of sulfo-polyesters and solid acrylic resins without volatile organic compounds (VOC's) and surfactants. More specifically, the acrylic resins are characterized by an inverse relationship between the molecular weight and acid number of the resin, and the sulfo-polyesters contain at least 12 mole percent of a difunctional sulfomonomer. The aqueous sulfo-polyester/acrylic resin blends of the present invention are useful in inks, overprint varnishes, primers, paints, and coatings.

Abstract: The present invention relates to coating agents containingA) one or more polymers containing carboxyl groups and having a number-average molecular weight of 500 to 8,000 and an acid number of 15 to 200 mg of KOH/g as the essential binder component andB) one or more compounds containing epoxide groups as crosslinking agents,wherein the compound B containing epoxide groups is a copolymer containing epoxide groups, has a number-average molecular weight M.sub.n of 300 to 5,000, preferably 500 to 3,500, and a heterogeneity (M.sub.w /M.sub.n), measured by gel permeation chromatography, of .ltoreq.3, preferably of .ltoreq.2, and has been prepared by continuous bulk polymerization at temperatures between 130.degree. and 350.degree. C. and pressures above 1 bar.The invention also relates to processes for the preparation of the coating agent and the use of the coating agents in automobile refinishing.

Abstract: Vulcanized blends of poly(etherimide ester) copolymer or poly(ether-ester-amide) block copolymer with epoxy functionalized EPDM rubber are provided having enhanced elastic recovery %. Vulcanization of compatibilized blends of the poly(etherimide ester) copolymers or poly(ether-ester-amide) block copolymers with epoxy functionalized EPDM rubber can be effected with crosslinking agents, such as, organic diamines.

Abstract: Disclosed is a plastics composition comprising a thermoplastic blend comprising: (1) 5-95 wt % of a polyamide (PA) and 95-5 wt % of a polyester (PE) incorporating 1-50 wt % of an aliphatic dimer fatty acid, (2) 0.01-30 parts by weight of a compound having at least one ethylenically unsaturated group or propylene group and further having a carboxylic, acid anhydride, acid amide, imido, carboxylic ester, amino or hydroxyl group per 100 parts by weight based on the combined weight of PA and PE, (3) 0-90 parts by weight of a polyester not modified with dimer fatty acid per 100 parts by weight based on the combined weight of PA and PE. Preferably the polyester (PE) is a polyethylene terephthalate or polybutylene terephthalate modified with di-oleic acid. The blends have a greatly improved elongation at break and are readily spinnable.

Abstract: Disclosed are polymer blends of polyesters or polyesteramides and a polymer containing an acrylamide sulfonate monomer. The blends are preferably prepared by polymerizing monomers in the presence of the polyester or polyesteramide. The blends impart superior freeze-thaw stability to aqueous compositions such as inks.

Abstract: It is often desirable to increase the modulus of rubbers utilized in a wide variety of applications. This invention discloses a technique for modifying rubbers to improve their modulus without sacrificing other properties. By utilizing the process of this invention, rubber compositions having increased modulus are prepared by grafting polyester onto rubber. This can be accomplished by reacting a polydiene rubber with a thioacid or maleic anhydride and subsequently with the polyester. It is also possible to prepare such polyester modified rubber compositions by reacting an epoxidized rubber with the polyester.

Abstract: Compositions comprising polyetherester resins, polyetherimide ester resins, alone or combined with polyester resins, and mixtures of any of them or of polyester resins alone with copolymers of alpha-olefins and vinyl esters of aliphatic monocarboxylic acids have improved elastomeric character. For example, addition of 50 and 30 parts by weight of a vinyl acetate-ethylene copolymer having a high content of units derived from vinyl acetate to a polyetherimide ester copolymer considerably improves compressibility, elasticity, low temperature impact strength, UV light resistance and chemical resistance. Articles shaped from such compositions show desirably lower hardness, improved dynamic fatigue properties, paintability, extrudability and injection moldability.

Abstract: A thermoplastic resin composition comprising(A) 1-90% by weight of a polyamide elastomer and(B) 99-10% by weight of at least one of the following (a) and (b):(a) a rubber-modified thermoplastic styrene resin consisting of a rubber-modified styrene polymer containing a hydroxyl group-containing alkenyl monomer as a copolymerized component or a mixture of rubber-modified styrene polymer with a styrene polymer, in which mixture at least one of these polymers contains a hydroxyl group-containing alkenyl monomer as a copolymerized component,(b) a mixture or reaction product of (1) 40-99% by weight of a thermoplastic polyurethane with (2) 60-1% by weight of a functional group-containing styrene resin in which a styrene resin is copolymerized with an unsaturated compound having at least one functional group selected from the group consisting of a carboxyl group, an acid anhydride group, an amino group, an epoxy group and a hydroxyl group.

Abstract: Novel thermoplastic elastomeric molding compositions having excellent physical properties, which comprise a polyetherimide ester elastomer modified with a modifier composition comprising (i) at least one olefin acrylate copolymer; or (ii) at least one ethylene vinyl acetate copolymer; or a combination of (i) and (ii).

Abstract: 4-component thermoplastic molding compositions which are easily processed on injection molding or extrusion machinery consisting essentially of amorphous copolyamides which can be produced from inexpensive raw materials, inexpensive elastomeric block polyetherpolyamides and block polyetheresterpolyamides as well as commercially available modified copolyolefins and are distinguished by high cold impact resistance, good ductility, variably adjustable rigidity which is independent of the degree of humidity and excellent pigment compatibility as well as by good stress crack resistance, thermal and dimensional stability.

Abstract: Ethylenically unsaturated cyclic ortho esters are prepared by the reaction of a hydroxy-substituted cyclic ortho ester such as 4-hydroxymethyl-2-methoxy-2-methyl-1,3-dioxolane with acryloyl chloride, methacryolyl choride, vinylbenzyl chloride or the like. They form polymers, especially EPDM graft copolymers, which are useful in the formation of copolymer-containing compositions with polyesters, polyamides and the like. The copolymer-containing compositions have excellent physical properties and may be employed to compatabilize blends of the same polymers.

Abstract: Polyolefins are stabilized against UV-deterioration by mixing therewith a hindered C-nitro compound having a molecular weight above 500. In a preferred embodiment the hindered C-nitro compound is a nitrated polyolefin. A conventional UV-stabilizer, such as a substituted benzophenone or a hindered piperidine, may be used in combination with the hindered C-nitro compound.

Abstract: Disclosed is a novel blend of a water-dissipatable polyester material and an acrylic polymer. The acrylic polymer must be compatible with the polyester and can be optionally styrenated. The polyester is exemplified in having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-soldiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 44 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof.The polymer blends are useful for preparing ink compositions having improved block resistance and water resistance.

Abstract: An antistatic resin composition comprising the components (1) and (2) shown below:component (1): an ethylene random copolymer having a melt flow rate of 0.1 to 50 g/10 min.

Abstract: An antistatic resin composition comprising the components (1) and (2) shown below:component (1): a propylene copolymer comprising (A) and/or (B) shown below:(A) a propylene random copolymer having a melt flow rate of 0.1 to 70 g/10 min. obtained by feeding 0.5 to 4.0% by weight of ethylene, 66.0 to 98.5% by weight of propylene and 1.0 to 30.0% by weight of an .alpha.-olefin having 4 to 12 carbon atoms (all ratios based on the total amount of the three components) into a polymerization system;(B) a propylene random copolymer having a melt flow rate of 0.1 to 70 g/10 min. obtained by feeding 2.5 to 10.0% by weight of ethylene and 90.0 to 97.

Abstract: Disclosed is a novel blend of a water-dissipatable polyester material and an acrylic polymer. The acrylic polymer must be compatible with the polyester and can be optionally styrenated. The polyester is exemplified in having an acid component of from about 70 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-sodiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 40 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof.The polymer blends are useful for preparing ink compositions having improved block resistance and water resistance.

Abstract: It is often desirable to increase the modulus of rubbers utilized in a wide variety of applications. This invention discloses a technique for modifying rubbers to improve their modulus without sacrificing other properties. By utilizing the process of this invention, rubber compositions having increased modulus are prepared by grafting polyester onto rubber. This can be accomplished by reacting a polydiene rubber with a thioacid or maleic anhydride and subsequently with the polyester. It is also possible to prepare such polyester modified rubber compositions by reacting an epoxidized rubber with the polyester.

Abstract: Block copolymers which include polyisobutylene chain moieties of the formula: ##STR1## wherein n is an integer such that the moiety has a molecular weight contribution of from 5,000 to 30,000 Daltons as determined by gel permeation chromatography are obtained by block copolymerization of appropriate compounds of the formula: ##STR2## wherein n is as defined above and X represents hydroxyl, halogen or alkoxy, with polycarbonates, polyesters, polyamides, poly(ester-amides), polyarylates, polyetherimides or monomer precursors thereof. The block copolymers are useful thermoplastic molding compositions.

Abstract: Disclosed are thermoplastic resins comprising block copolymers composed of polyester segments and vinyl polymer segments and having excellent thermal resistance and moldability, as well as several processes for preparing same. Among these thermoplastic resins, block copolymers formed of amorphous aromatic polyester segments and polystyrene resin segments are also useful as optical resins.

Abstract: Thermoplastic molding materials contain(A) not less than 5% by weight of a polymer component consisting of from 50 to 10 % by weight by polyphenylene ethers and from 0 to 50% by weight of a styrene polymer differing from component (C),(B) not less than 5% by weight of a polyester,(C) not less than 0.1% by weight of a copolymer consisting of(C.sub.1) not less than 20% by weight of .alpha.-olefins of 2 to 8 carbon atoms, styrene or substituted styrenes of the general formula I ##STR1## where R and R.sup.1 is alkyl of 1 to 8 carbon atoms, hydrogen and/or halogen and n is 0, 1 or 2, or a mixture of these monomers,(C.sub.2) not less than 0.5% by weight of a polymerizable monomer containing epoxide groups,and/or(C.sub.3) not less than 0.05% by weight of a halobenzyl-containing polymerizable monomer having the structural unit (II) ##STR2## where X is halogen and R.sup.2 and R.sup.3 are each alkyl of 1 to 8 carbon atoms or hydrogen and n is 1, 2 or 3,and/or(C.sub.4) not less than 0.

Abstract: Antisoiling and anti-redeposition latices which are usable in the aqueous washing of textile materials, consisting either of copolymers of vinyl acetate with unsaturated carboxylic acids, optionally grafted with sufonic polyesters, or of (meth)acrylic/unsaturated carboxylic acid copolymers grafted with polyester sulfonates.

Abstract: Disclosed is a novel blend of a water-dissipatable polyester material, an acrylic polymer and a water-dissipatable vinyl polymer. The acrylic polymer and the vinyl polymer must be compatible with the polyester. The polyester is exemplified in having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-sodiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 44 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof.The polymer blends are useful for preparing ink compositions having improved block resistance, water resistance, and alcohol resistance.

Abstract: A resin composition suitable for injection molding, having excellent abrasion resistance, comprising (A) a thermoplastic injection moldable resin component containing a first thermoplastic injection moldable styrene-based resin and a second thermoplastic injection moldable resin different from said first resin and (B) a polyamide-based block copolymer.

Abstract: Improved thermoplastic elastomeric compositions adopted for easy conversion, e.g., by injection molding or extrusion techniques, into useful shaped articles having good abrasion and tear resistance, and marked resistance to oils and fats, include a polyetheramide, advantageously a polyetheresteramide, and a nitrile rubber, e.g., a copolymer of 1,3-butadiene or isoprene with (meth)acrylonitrile.

Abstract: A coating composition comprising an anhydride polymer (A) containing at least two cyclic carboxylic acid anhydride functional groups and a polymer (B) containing at least two functional groups reactive with anhydride groups and selected from hydroxyalkylamino, hydroxyalkoxyalkylamino, hydroxysubstituted acyloxyalkylamino, hydroxysubstituted polyacyloxyalkylamino, mercaptoalkylamino and oxazolidino groups. One of the polymers (A) and (B) comprises at least one flexible polymer chain selected from polyether, polyester, silicone, diene polymer, hydrogenated diene polymer, polyurethane, polyisobutylene and polyacrylate chains. The functional groups characteristic of that polymer are each present as a terminal group at the end of a flexible polymer chain.

Abstract: Hydroxy functional polyester graft copolymers are provided. The copolymer is crosslinkable by hydroxy-reactive crosslinking agent and, in particular, is suitable for use in thermosetting coating compositions adapted to form a flexible cured coating over a variety of substrates, such as metal and plastic. The copolymer has a number average molecular weight between about 1300 and about 15,000, has a hydroxyl number between about 30 and about 300, and is the reaction product of carbon-carbon double bond-reactive monoethylenically unsaturated monomer with hydroxy functional carbon-carbon double bond-bearing branched polyester macromer. The macromer is the reaction product of (i) hydroxy functional polyester reactant containing 0-10 urethane linkages per molecule with (ii) silane compound having the general chemical formula: ##STR1## wherein X is an organic group or (--Si--O--).sub.

Abstract: Polymer modified unsaturated polyester(amides) are prepared by reacting ethylenically unsaturated polycarboxylic acids or anhydrides with water, polyol or mixtures of polyols and polyamines, and a hydrocarbon mixture comprising esterifiable hydrocarbons such as dicyclopentadiene, ethylenically unsaturated aromatic hydrocarbons such as styrene or polymerized derivatives thereof, and non-reactive hydrocarbons. The polyester(amides) have improved properties such as reduced shrinkage upon curing.

Abstract: Interpenetrating polymer networks prepared from 60 to 99.9% by weight, of a thermoplast and 0.1 to 40% by weight of a thermosetting resin which comprises:(a) at least one polycyanate and(b) from 1 to 40% by weight, based on (a), of at least one polyester having a hydroxyl number of from 28 to 320, a number average molecular weight M.sub.n of from 700 to 8000 and containing from 50 to 92%, by weight, of alcohol residues, acid residues, or both with each of said residues containing cycloaliphatic moieties.

Abstract: A resin composition, suitable for moulding by injection, comprises a styrene resin or a polyphenylene ether resin and an amide copolymer having an ester group.

Abstract: Novel thermoplastic molding compositions having excellent stress-strength characteristics, particularly low temperature impact strength, comprising an admixture of a thermoplastic elastomer, a thermoplastic polyester, a modifier resin and, optionally clay.

Abstract: A modified polyolefin composition comprising(A) 50 to 99 parts by weight of a modified polyolefin having an intrinsic viscosity [.eta.] of 0.5 to 10 dl/g and a degree of crystallization of at least 20% selected from the group consisting of polyolefins modified with styrene-type hydrocarbons, polyolefins modified with unsaturated epoxy compounds, polyolefins modified with unsaturated silane compounds, halogenated polyolefins and hydroxyl group-containing polyolefins, and(B) 1 to 50 parts by weight of a thermoplastic polymer selected from the group consisting of(B-1) thermoplastic polymers having a flexural modulus of less than 1000 kg/cm.sup.2, a glass transition temperature (Tg) of not higher than 0.degree. C. and a weight average molecular weight (Mw) of at least 400,000, and(B-2) polar non-olefinic thermoplastic polymers or ethylenic polymers having a flexural modulus of at least 1000 kg/cm.sup.2 and an adhesion strength, with respect to the modified polyolefin (A), of not more than 200 g/cm.

Abstract: The invention relates to new adhesive thermoplastic compositions.The adhesive thermoplastic compositions according to the invention comprise at least one rubbery constituent and at least one resinous constituent and, if appropriate, other constituents, such as a plasticizer, filler and/or stabilizer, which are commonly incorporated into known adhesive thermoplastic compositions, generally called hot melts, but they also contain at least one special resin including regions of high cohesion incompatible with the rubbery constituent on the molecular scale, but miscible on the macroscopic scale.The compositions according to the invention are particularly useful for sealing double glazing units.

Abstract: Crystallizable hot melt adhesive compositions comprising block copolyesteramides and alkali metal salts of carboxy polymers. The block copolyesteramides comprise hard or crystalline polyester blocks and soft or amorphous polyamide blocks in the weight ratio of 2:3 to 4:1. The alkali metal salts are salts of copolymers of C.sub.1 to C.sub.4 aliphatic olefins and acrylic or methacrylic acid or salts of copolymers of aromatic olefins and maleic anhydride and provide a concentration of alkali metal cation in the range of 0.1 to 15 meq per 100 parts by weight of copolyesteramide. The hot melt adhesive compositions are useful for bonding plastic parts to form plastic structures which are relatively free of bond line distortion.