Abstract: The invention provides: 1) a dispersion-type resin composition including polymer particles insoluble in an organic solvent, the resin composition being prepared by polymerizing a radically polymerizable unsaturated monomer in the organic solvent in the presence of a fluorine-type resin containing silane group and epoxy group; 2) a resin composition including polymer particles insoluble in an organic solvent, the resin composition being prepared by polymerizing a radically polymerizable unsaturated monomer in the organic solvent in the presence of a dispersion stabilizer comprising at least one of a component (I) having silane group, and a component (II) having epoxy group, at least one of components (I) and (II) being a fluorine-containing resin; 3) a curable composition including one of the resin compositions 1) and 2) and a metal chelate compound; and 4) a coating composition including one of the curable composition and the resin compositions.

Abstract: A process for crosslinking a polymer containing hydroxyl groups which process comprises:(a) forming a mixture of said polymer and crosslinking amount of a poly(alpha, beta-alkenylcarboxylate), and(b) maintaining the mixture at conditions under which the polymer cures by reaction of the hydroxyl groups of the polymer with the poly(alpha, beta-alkenylcarboxylate) to produce a crosslinked polymer.

Abstract: Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous and intermolecularly homogeneous copolymer chains. The degraded copolymers are useful as viscosity index improvers for oils.

Abstract: The method concerns preparing a polymer composition containing an electrically conductive polymer which is formed, in the presence of a catalyst, from polymerizable monomer units that are converted from non-polymerizable precursor monomers with the aid of a sufficiently energy-intense light source. In this method according to the invention is that the precursor monomers have a structure according to formula (I). The method according to the invention makes it possible to very easily and rapidly, and thus economically, prepare a polymer composition containing an electrically conductive polymer. Furthermore, the method according to the invention permits a polymer composition to be produced that contains an electrically conductive polymer in specifically pre-selected areas.

Abstract: Refrigerator and freezer liners are molded from rubber modified graft copolymers of acrylonitrile and methyl acrylate. These polymers comprise 14 to 30 percent by weight of a butadiene-acrylonitrile elastomer rubber. Further these polymers show excellent impact strength at low temperatures and are resistant to solvents used as blowing agents for refrigerator and freezer insulation.

Abstract: Polymer compositions, typically thermoplastic polymer compositions, readily converted into electroconductive polymers and articles shaped therefrom, e.g., films, comprise at least one convertible polymer support substrate (A) and at least one amphiphilic heterocyclic monomer (B) having the formula (I): ##STR1## in which R.sub.1 and R.sub.2, which may be identical or different, are each a linear or branched alkyl, aryl, alkylaryl, arylalkyl, hydroxycarbonyl, alkoxycarbonyl or amide radical; X is an oxygen or sulfur atom or the divalent radical ##STR2## wherein R.sub.3 is a hydrogen atom or an alkyl, aryl, alkylaryl or arylalkyl radical; at least one of the substituents R.sub.1, R.sub.2 and R.sub.3 having an amphiphilicity-imparting number of carbon atoms.

Abstract: A process for producing a thermoplastic elastomer having excellent elasticity even with a small rubber content and being excellent in strength, coatability and thermal adhesion to different materials such as various resins, metals or the like, which comprises melting and kneading a material mixture containing (A) particles of a polymer composed of a crystalline olefin polymer portion and a noncrystalline olefin polymer portion, (B) a graft-modifier and (C) a radical initiator to form a graft-modified and crosslinked thermoplastic elastomer having a cyclohexane-insoluble content of at least 40% by weight; and a thermoplastic elastomer obtained by the above method.

Abstract: A process for the preparation of an alkenyl-substituted succinic anhydride wherein the alkenyl substituent has a number average molecular weight of from about 500 to 5000 and the average number of succinic groups per alkenyl group is greater than 1.2 which comprises:(a) reacting a polyolefin having an alkylvinylidene isomer content of less than about 10 percent and a number average molecular weight of about 500 to 5000 with maleic anhydride in the presence of a free radical initiator at a temperature in the range of about 100.degree. C. to 220.degree. C. to provide a mixture of alkenyl succinic anhydride having an average of greater than 1.2 succinic groups per alkenyl group and unreacted polyolefin, wherein the conversion of polyolefin is from about 30 to about 65 percent, and(b) reacting the mixture of alkenyl succinic anhydride and unreacted polyolefin with maleic anhydride at a temperature in the range of about 200.degree. C. to 250.degree. C.

Abstract: Graft copolymers and processes for the preparation thereof are provided. The copolymers comprise a base polymer having grafted thereto a monomeric 2-alkenyl azlactone. The surface properties of the graft copolymers can be modified by binding thereto nucleophilic reagents comprising further functional groups with desired properties. Further, the amount of azlactone available at the surface of a graft copolymer for binding to such nucleophilic reagents can be controlled by selecting a surface against which the graft copolymer is formed. The graft copolymers exhibit desirable thermoplastic, melt flow, and adhesion properties and are particularly useful for immobilizing proteins. Methods of immunoassay based on the immobilization of proteins are also disclosed. Another utility of the graft copolymers involves the compatibilizing of immiscible polymer blends.

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: Graft polymers having graft shells of copolymers of styrenes, .alpha.-methyl styrenes, acrylonitrile, C.sub.1 -C.sub.4 vinyl carboxylic acids, C.sub.1 -C.sub.8 alkyl acrylates and/or alkyl methacrylates, maleic acid derivatives, vinyl(idene) chloride and mixtures thereof on the one hand and monomers corresponding to formula I ##STR1## in which R.sup.1 =H, CH.sub.3,R.sup.2 =C.sub.1 -C.sub.8 alkylene,R.sup.3 =C.sub.1 -C.sub.4 alkylon the other hand andgraft bases of particulate diene and/or acrylate rubbers having particle diameters (d.sub.50) of from 80 to 800 nm, and thermoplastic molding compounds containing these graft polymers.

Abstract: This application discloses linear methacrylic ABC triblock polymers in which the composition of each of the three blocks is different and wherein at least one of the blocks is hydrophobic and at least one of the blocks is hydrophilic.

Abstract: Alkali-resistant core-shell polymers having an acid-insoluble core and an acid-soluble shell are prepared by sequential emulsion polymerization of a monomer mixture having acid-ionizable functionality such that the resulting polymer has an acid-insoluble core and an acid-soluble shell. Films from these alkali-resistant, core-shell polymers are resistant to high pH environments where alkali-resistance is required. The alkali-resistant, core-shell polymers are useful in applications such as inks, clear overprint varnishes, coatings, metal adhesion, fiber treatment, paper treatment, cathodic deposition coatings, stain blocking, coagulants and flocculants.

Abstract: Polymer mixtures ofA) 5 to 98 parts by weight and preferably 20 to 95 parts by weight of an aromatic polycarbonate,B) 2 to 70 parts by weight and preferably 5 to 60 parts by weight of a graft polymer of resin-forming monomers on a particulate diene and/or acrylate rubber having an average particle diameter (d.sub.50) of from 80 to 800 nm and preferably from 100 to 600 nm,C) 0 to 80 parts by weight and preferably 0.5 to 40 parts by weight of an uncrosslinked thermoplastic vinyl copolymer having a softening temperature above 30.degree. C.,in which either the resin-forming monomers in B) or a monomer of the thermoplastic vinyl copolymer C) or both have contained a monomer corresponding to formula (I) ##STR1## in which R.sup.1 =H, CH.sub.3 ; R.sup.2 =C.sub.1-8 alkylene; R.sup.3 =C.sub.1-4 alkylene, in such a quantity that the structural elements containing oxetanyl groups emanating therefrom make up from 0.05 to 5% by weight and the use of the thermoplastic molding compounds.

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 chloride, vinylbenzyl chloride or the like. They form polymers, especially random copolymers with styrene and EPDM graft copolymers; the latter 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 compatibilize blends of the same polymers.

Abstract: The present invention provides cleavable conjugates whose linkers contain a labile bond that is cleavable under a variety of mild conditions, including weakly acidic. Since the agent may be bonded directly to the linker, cleavage can result in release of native agent. The invention also provides methods for producing cleavable conjugates. Preferred agents include drugs, toxins, biological response modifiers, radiodiagnostic compounds, radiotherapeutic compounds, and derivatives thereof. The targeting molecule employed in the invention may be an intact molecule, a fragment thereof, or a functional equivalent thereof. In a particularly preferred embodiment, the targeting molecule is a monoclonal antibody directed towards a tumor-associated antigen in man. The invention further provides methods for delivering to the cytoplasm of a target cell an agent free of its targeting molecule carrier.

Abstract: A polymer composition comprising a polymer or a highly saturated polymer, an organic peroxide and a maleimide derivative, said polymer being produced by radical polymerization using a sulfur-free compound as an emulsifier and a terpene type compound as a molecular weight modifier and said highly saturated polymer being obtained by hydrogenating said polymer.

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: A thermoplastic resin composition having excellent heat resistance and impact resistance as well as having excellent rigidity, chemical resistance and processibility, comprising:(a) a polyphenylene ether resin or a resin composition containing a polyphenylene ether,(b)(i) a modified propylene polymer grafted with a styrene-based monomer and an unsaturated carboxylic acid or its derivative, or(ii) a propylene-based resin composition containing the modified propylene polymer and a propylene polymer, and(c) a rubbery substance. The thermoplastic resin compositions not only have good mold-processibility but also exhibit well-balanced physical properties when molded into articles.

Abstract: Disclosed are thermoplastic resin compositions comprising:(a) a polyphenylene ether resin or a resin composition containing a polyphenylene ether,(b) (i) a modified propylene polymer obtainable by grafting a propylene polymer with a styrene-based monomer or a mixture of a styrene-based monomer and a monomer copolymerizable with the styrene-based monomer or (ii) a composition comtaining said modified propylene polymer and a propylene polymer, and(c) a rubbery substance,wherein the number mean particle size of the component (a) and (c) in the dispersion phase being from 0.01 to 20 .mu.m, the proportion of the component (a) to the sum of the components (a) and (b) being 1 to 80% by weight, that of the component (b) to the sum of the components (a) and (b) being 99 to 20% by weight, and the proportion of the component (c) to the sum of the components (a) and (b) being 1 to 50 parts by weight per 100 parts by weight of (a) plus (b).

Abstract: Disclosed is a thermoplastic resin composition, comprising:(a) a polyphenylene ether resin or a resin composition containing a polyphenylene ether,(b) (i) a modified propylene polymer obtainable by grafting a propylene polymer with a styrene-based monomer or a mixture of a styrene-based monomer and a monomer copolymerizable with the styrene-based monomer or (ii) a composition containing said modified propylene polymer and a propylene polymer, and(c) two or more rubbery substances, at least one rubbery substance being compatible with the component (a), and at least one rubbery substance being not compatible with the component (a). The thermoplastic resin composition has good moldability and yields molded articles having well-balanced physical properties.

Abstract: Disclosed herein is a thermoplastic resin composition which comprises:(a) a polyphenylene ether resin or a polyphenylene ether-containing resin composition,(b) a polypropylene grafted with a styrene-based monomer and/or a propylene copolymer grafted with a styrene-based monomer,(c) an ethylene-.alpha.-olefin copolymer grafted with a styrene-based monomer, said ethylene-.alpha.-olefin copolymer having a density of 0.85-0.91 g/cm.sup.3 and a maximum melting peak temperature of 100.degree. C. and above measured with a differential scanning calorimeter (DSC), and(d) optionally, rubbery substance. Also disclosed herein is a process for producing a thermoplastic resin composition which comprises incorporating a preblend composed of:(a') a polyphenylene ether resin or a polyphenylene ether-containing resin composition,(b') a polypropylene and/or a propylene copolymer,(c') an ethylene-.alpha.-olefin copolymer having a density of 0.85-0.91 g/cm.sup.3 and a maximum melting peak temperature of 100.degree. C.

Abstract: Bioerodible, thermoset, covalently crosslinked, elastomeric poly(ortho ester)s are disclosed. These materials are comprised of polymer chains that are interlocked in a covalent, three dimensional network which imparts dimensional stability. Use of these thermoset, covalently crosslinked materials as a drug delivery device is also disclosed.

Abstract: According to the present invention, there is provided a modified polyolefin resin having the following merits:(1) The amount of bound unsaturated carboxylic acid, a derivative thereof or unsaturated epoxy compound is high.(2) The change of the melt flow rate during the modification is small.(3) The physical properties are of high grade.(4) The transparency is improved due to the graft of unsaturated aromatic compound.The modified polyolefin resin of the present invention can be used for adhesives, covering materials, binders, laminate bonding agent and polymer alloy constituents.

Abstract: A graft copolymer is provided. The copolymer comprises a poly-alpha-olefin base polymer that does not undergo substantial crosslinking under polymer melt conditions in the presence of a free radical initiator, having grafted thereto a monomeric 2-alkenyl azlactone. The graft copolymers exhibit desirable thermoplastic, melt flow, and adhesion properties and are particularly useful for immobilizing proteins.

Abstract: An impact resistance thermoplastic molding composition contains, each percentage being based on A+B, from 80 to 55% by weight of a hard matrix A of a copolymer containing at least 95% by weight of an aromatic vinyl monomer a.sub.11 of from 8 to 10 carbon atoms and at least one comonomer a.sub.12 in a proportion of 0.1 to 5% by weight, based on A, and from 45 to 20% by weight of a soft phase B which, uniformly dispersed in the hard matrix, has an average particle diameter d.sub.50 (volume average) of from 3.5 to 9 .mu.m and is obtainable by polymerization of the mixture of monomers a.sub.11 and a.sub.12 in the presence of an elastomer (rubber) and subsequent isolation of the useful product, wherein the comonomer a.sub.12 has the general formula I ##STR1## where X is --OR.sup.2, --COOR.sup.2 or --CONHR.sup.3,R.sup.1 is hydrogen or methyl andR.sup.2 and R.sup.3 are each alkyl of from 1 or 2 to 10 carbon atoms with at least one OH or epoxy group or at least one other polar group.

Abstract: A radical polymerizable composition comprising(A) a compound having a pi-electron conjugated structure and(B) a radical polymerizable compound, which is useful for molding into an arbitrary shape, which can be rendered electrically conductive and which is, therefore, useful as a material for electrodes or circuits in the electrical and electronic industry.

Abstract: Composite acrylic acrylic resin particles each comprising a particular metal-containing crosslinked acrylic polymer to which a number of substantially linear acrylic polymer chains are chemically bonded are provided. Such particles are specifically useful as resinous filler in curing type coating compositions because of having curing catalytic activities.

Abstract: SBR is treated with sulfur, an optional chemical accelerator and a crosslinking agent, under mild heat, to form a preform having sufficient strength to resist handling. The preform is exposed to substantial irradiation on the order of 5-25 Mrad dose of 10 MeV electrons equivalent, which significantly improves wear resistance, tear strength, crack initiation and growth resistance and ozone resistance.

Abstract: Fuel oils and lubricants of improved properties contain ethylene-propylene copolymers bearing units derived fron N-vinyl pyrrolidone and phenothiazine.

Abstract: Large acrylic star polymers containing single- and multi-functional monomers in the core are made by group transfer polymerization techniques, preferably by arm-first, core-first or arm- core- are approaches.

Abstract: Large acrylic star polymers containing multifunctional monomers in the core are made by group transfer polymerization techniques, preferably by arm-first, core-first, or arm-core-arm approaches.

Abstract: Polymers which have been modified by a polymer-analogous reaction, in the acid form or in the form of their salts, consist of a copolymer of ethylene, (meth)acrylic acid and one or more compounds selected from the group consisting of vinyl esters, vinyl ethers, (meth)acrylates and (meth)acrylamides, and olefinically unsaturated side radicals which have been introduced into the said copolymer by a polymer-analogous reaction and are of the general formula I ##STR1## where X is hydroxyl, amino or mercapto, Y is an ester, amide, ether or C.sub.1 -C.sub.10 -alkylene group and R is hydrogen or methyl.

Abstract: Adduct of an unsaturated dicarboxylic acid or ester (e.g., maleic anhydride) and neutralized sulfonated EPDM is an ionic elastomer useful as an impact-modifier for nylon.

Abstract: Coupling agents of general formula ##STR1## and their use in a method for the termination of living polymers obtained by anionic polymerization of diene and/or vinylaromatic monomers.

Abstract: A covalently bonded reaction product of:(a) a sulfomaleic anhydride adduct with an unsaturated hydrocarbon polymer; and(b) a polar molecule containing at least one primary or secondary amino group.

Abstract: Disclosed herein is a polyester composition comprising a polyester and a modified copolymer of ethylene and an .alpha.-olefin prepared by grafting (1) an ester of an .alpha.,.beta.-unsaturated carboxylic acid represented by the formula(I): ##STR1## wherein n is an integer of from 0 to 4; m is an integer of from 1 to 10; R.sup.1 and R.sup.2 respectively represent a hydrogen atom or an alkyl group and R.sup.3 represents a hydrogen atom, an alkyl group or a carboxyl group, or (2) said ester of an .alpha.,.beta.-unsaturated carboxylic acid represented by the formula (I) and n .alpha.,.beta.-unsaturated carboxylic acid or an anhydride thereof with a copolymer of ethylene and an .alpha.-olefin.

Abstract: Highly uniform polymeric microbeads of a predetermined size, preferably having an attached fluorescent label on the surface, are prepared by causing seed particles to swell by absorption of a plurality of low molecular weight substances, at least one of which is a monomer having a reactive functional group. After absorption, the monomer is internally polymerized, and the reactive functional group is preferably reacted with a polyfunctional spacing agent thereby to provide a second reactive functional group. The latter is then reacted with a fluorescent label to provide the labeled microbead.

Abstract: Highly uniform polymeric microbeads of a predetermined size, preferably having an attached fluorescent label on the surface, are prepared by causing seed particles to swell by absorption of a plurality of low molecular weight substances, at least one of which is a monomer having a reactive functional group. After absorption, the monomer is internally polymerized, and the reactive functional group is preferably reacted with a polyfunctional spacing agent thereby to provide a second reactive functional group. The latter is then reacted with a fluorescent label to provide the labeled microbead.

Abstract: Highly uniform polymeric microbeads of a predetermined size, preferably having an attached fluorescent label on the surface, are prepared by causing seed particles to swell by absorption of a plurality of low molecular weight substances, at least one of which is a monomer having a reactive functional group. After absorption, the monomer is internally polymerized, and the reactive functional group is preferably reacted with a polyfunctional spacing agent thereby to provide a second reactive functional group. The latter is then reacted with a fluorescent label to provide the labeled microbead.

Abstract: A polymerizable polymer is obtained by the anionic polymerization and termination by use of a vinyl monomer. It produces a graft copolymer by co-polymerization with another monomer. The process produces a new, polymerizable, optically active polymer and a graft copolymer thereof.

Abstract: Large acrylic star polymers, having a low polydispersity of polymer molecular weight and of arm molecular weight and containing multifunctional monomers in the core.

Abstract: Large acrylic star polymers, having a low polydispersity of polymer molecular weight and of arm molecular weight and containing single- and multi-functional monomers in the core.

Abstract: A two part type acrylic adhesive composed of liquid I comprising an acrylate ester monomer, a polymer soluble in the acrylate ester monomer, and an organic peroxide and liquid II containing a hardening accelerator capable of hardening said liquid I by polymerization at a temperature lower than room temperature, wherein at least liquid I contains 0.005 to 0.1% by weight polyphosphoric acid.

Abstract: The present invention relates to novel polymers which are sulfomaleic anhydride adducts of an unsaturated hydrocarbon, wherein the novel polymers are produced by contacting sulfomaleic anhydride or derivatives with an unsaturated hydrocarbon to form the novel polymer, which has a M.sub.n of about 900 to about 10.sup.7.

Abstract: A polyorganosiloxane polymer having a structure represented by one of the formulas(AB).sub.m Cor[(AB).sub.m ].sub.n SiR.sub.(4-n)where the R groups are the same or different organic groups other than acrylic groups or groups co-curable therewith; A is a linear polyorganosiloxane segment containing between 3 and about 50 siloxane repeat units at least 3 of which are acrylic group containing repeat units represented by the formula ##STR1## where R.sup.1 is lower alkyl, the R.sup.2 groups are the same or different alkylene, alkyleneoxy or alkenylene groups, and y is 0-4; B is a polyorganosiloxane segment represented by the formula ##STR2## where x is an integer of at least 100; C is A or a triorganosilyl group; m is an integer of 1 or more; and n is 3 or 4.

Abstract: Radiation-curable linear addition polymers or copolymers are disclosed having a weight average molecular weight of from about 1,500 to about 15,000 of polymerized monoethylenically unsaturated monomers, which may include up to 25% by weight of an hydroxy-functional monomer, and which carries an hydroxyl group at most of its ends, reacted with a monoethylenically unsaturated monomer carrying a single functional group reactive with the hydroxyl group, so that the polymer carries monoethylenically unsaturated groups bonded to an average of from 1.6 to 5 of the hydroxyl groups per polymer molecule. The preferred radiation-curable polymers are liquid to slowly flowable at room temperature in the absence of organic solvent, and the monoethylenically unsaturated groups are preferably acrylate groups to enable an ultraviolet cure.

Abstract: Elastomers are plasticized with a polymerizable monomer, in homogeneous admixture therewith, by adding the monomer to a latex of the elastomer, free of polymerization initiator, followed by coagulation of the monomer and polymer solids. The coagulated solids recovered from the latex may be compounded with a polymerization initiator for the monomer and a vulcanizing agent for the polymer and, optionally, an inorganic filler, and shaped into the desired product form. Polymerization of the polymer and vulcanization of the elastomeric polymer are initiated after shaping.

Abstract: Flexible thermoplastic vinyl chloride polymers are prepared by graft or over copolymerizing said polymers with a mixture of certain acrylates and nitriles or by blending said vinyl chloride polymer with a terpolymer of certain acrylates and nitriles.

Abstract: Polymers having .alpha.-alkylacrylate functionality may be prepared by hydrosilating an aliphatically unsaturated polymer with a grafting agent of structure (A) or (B): ##STR1## where R.sup.1 is an alkyl group; R.sup.2 is a divalent group nonreactive under hydrosilation conditions; n is 0, 1, 2, 3, or 4; x and y are 0, 1, 2, 3 or 4 and x+y=1, 2, 3 or 4; and, the R.sup.3 groups are the same or different alkyl, substituted alkyl, aryl, substituted aryl or ##STR2## groups. Preferred olefinically unsaturated polymers include homopolymers and copolymers of butadiene or alkyl substituted butadiene and polyorganosiloxanes with unsaturated hydrocarbyl groups such as vinyl or allyl.