Abstract: A curable fluoropolyether rubber composition comprising (A) a straight-chain fluoropolyether compound having at least two alkenyl groups and a perfluoropolyether structure backbone, (B) an organosilicon compound having at least two silicon atom-bonded hydrogen atoms, which all form H—SiCH2— structures, and (C) a hydrosilylation catalyst cures into parts which have good heat resistance, chemical resistance, solvent resistance, parting property, water repellency, oil repellency and weather resistance as well as improved acid and alkali resistance and are useful as sealants.

Abstract: Aqueous dispersion of a polymer, which polymer has been obtained by subjecting a starting polymer which contains maleic anhydride monomer units and vinyl aromatic monomer units to an imidization reaction, the starting polymer containing 7-50 mole % maleic anhydride monomer units and the imidization reaction having been carried out in such a way that at most 75% of the maleic anhydride monomer units has been imidized.

Abstract: The invention relates to a method of laminating two substrates by coating at least one side of a substrate with a laminating adhesive, bringing a coated side of said substrate into contact with a second substrate to form a three layer film, and treating said three layer film with a free radical initiator, wherein said laminating adhesive is formed by mixing an ethylenically unsaturated acid and a polyamine.

Abstract: The present invention provides a compound having anionic functional groups that is useful as a pigment dispersant in waterborne coating compositions, particularly in anodic electrocoat compositions. The compound comprises an acrylic backbone having a stabilizing substituent and a plurality of anionic groups. The anionic groups result from the incorporation of a plurality of acid groups into the acrylic backbone followed by reaction with organic amine.

Abstract: The present invention provides a compound having anionic functional groups that is useful as a pigment dispersant in waterborne coating compositions, particularly in anodic electrocoat compositions. The compound comprises an acrylic backbone having a stabilizing substituent and a plurality of anionic groups. The anionic groups result from the incorporation of a plurality of acid groups into the acrylic backbone followed by reaction with organic amine.

Abstract: The invention relates to a copolymer composition useful as wax crystal modifiers and flow improvers. The compositions are copolymers of a C6 to C250 straight-chain or branched dialkyl fumarate and at least one compound selected from the group consisting of carbon monoxide, C3 to C30 &agr;-olefin, ethylene, styrene, and vinyl acetate.

Abstract: In a process for preparing formaldehyde from methanol by dehydrogenation in a reactor in the presence of a catalyst at a temperature in the range from 300 to 1000° C., a circulating gas stream comprising by-products of the dehydrogenation is passed through the reactor.

Abstract: Disclosed is a cis-bridged metal complex of the formula (I) where R5 is an electron-withdrawing radical, and catalyst systems based on these complexes for copolymerizing carbon monoxide and olefinically unsaturated compounds.

Abstract: A non-silicone, form-in-place gasket produced using automated placement followed by curing of a pattern of an extrudable thixotropic material comprising a liquid polyolefin oligomer a reactive diluent a thixotropic filler and a curative. The form-in-place gasket, after curing, has a compression set of about 7% to about 20%, a level of outgassing components of about 10 &mgr;g/g to about 45 &mgr;g/g and a Shore A hardness from about 45 to about 65.

Abstract: The invention relates to a gelling aqueous composition comprising block copolymers containing at least one water-soluble block and at least one block predominantly hydrophobic in nature, and forming a viscoelastic gel.

Abstract: In a process for the preparation of derivatized carbon monoxide copolymers, functionalized linear, strictly alternating carbon monoxide copolymers of carbon monoxide, at least one 1-alkene (A), where (A) is an aryl compound substituted by at least one terminal allyl or homoallyl moiety and by at least one hydroxyl or amino group, or an a-olefinically unsaturated aliphatic alcohol, and, if desired, at least one C2-C20-1-alkene (B) are reacted with an organic compound (C) having at least one electrophilic group in an aprotic organic solvent.

Abstract: Fibers melt-spun from a thermoplastic alternating copolymer composed of alkenes and carbon monoxide have a

Abstract: The present invention relates to rubbers based on diolefins with a particular lateral polyether group content, mixtures thereof with fillers and the use of said rubbers and mixtures for the preparation of rubber vulcanizates with improved tear propagation resistance and favorable dynamic damping. More particularly, the rubbers according to the present invention are suitable for the manufacture of highly reinforced rubber molded articles, particularly for tires of vehicles, which are used both in road traffic and off-road.

Abstract: A method for depositing an electrically conducting film on an electrode and the film resulting from that method. An electrically conducting film according to the present invention is deposited by immersing the electrode in a solution of a precursor polymer in a predetermined solvent. The precursor polymer includes a plurality of electrochemical polymerizable monomers. Each monomer has first and second polymer-forming active sites that can be joined by electrochemical polymerization and third and fourth polymer-forming active sites that can be joined chemically in solution. The precursor polymer is constructed from the monomers joined by the third and fourth polymer-forming active sites. The precursor polymer is soluble in the solvent whereas a polymer formed by electrochemical polymerization of the first and second polymer-forming active sites is insoluble in the solvent.

Abstract: This invention is to provide a macromolecular solid electrolyte exhibiting high ion conductivity even at low temperatures and a polymer used therefor.

Abstract: In functionalized linear alternating carbon monoxide copolymers of carbon monoxide and at least one 1-alkene (A), compound (A) is an aryl derivative substituted with at least one terminal allyl and/or homoallyl moiety and containing one or more polar groups, with the proviso that 4-allylanisole is excluded.

Abstract: These prepolymers having maleimide functions (f) consist in the reaction products of at least one maleic anhydride represented by formula (I); of at least one compound (II) having at least one —NH2 function and at least another function F selected from the group consisting of —OH, —NH2, —NH—, —COOH, —COOR3 or —OOCR3; of at least one compound (III) capable of forming the chain of the prepolymers by polycondensation and/or polyaddition, said compound(s) (II) having first reacted with said maleic anhydride(s) (I) in order to open the maleic anhydride rings with formation of maleamic acid functions (f′), said maleamic acid functions having then been at least partially closed again under the action of heat into maleimides N-substituted by groups functionalized by a function F, the chain of said prepolymers having been formed by polycondensation and/or polyaddition of the N-substituted maleimide formed bearing the function F; of compound(s) (III) of uncyclized p

Abstract: The invention is related to an olefin-carbon monoxide-vinyl monomer terpolymer composition which is derived from an olefin feed and a synthesis gas feed and at least one vinyl monomer feed. The invention is also related to a method for preparing olefin-carbon monoxide-vinyl monomer terpolymers by heating an olefin feed, a synthesis gas feed and at least one vinyl monomer feed in the presence of a free radical polymerization initiator. More particularly, the synthesis gas feed comprises predominantly carbon monoxide and hydrogen. The terpolymers of the invention are useful as polyvinyl chloride plasticizers.

Abstract: Disclosed is a method of polymerizing vinyl chloride or vinylidene chloride monomer. A mixture is prepared of (1) a monomer selected from the group consisting of vinyl chloride, vinylidene chloride, and mixtures thereof with up to about 20 wt % of a comonomer, (2) supercritical carbon dioxide, subcritical carbon dioxide, or liquid carbon dioxide in a weight ratio to the monomer of about 0.5 to about 5; and (3) about 0.1 to about 1 phr of a free radical initiator that is soluble in said supercritical carbon dioxide or a solution of said a free radical initiator in a solvent that is miscible with the carbon dioxide. The mixture is heated to a temperature of about 40 to about 70° C. to polymerize the monomer.

Abstract: Linear, thermoplastic, elastomeric copolymers comprise carbon monoxide and at least one olefinic C7- to C20-monomer and have an average molecular weight Mw greater than 15,000 g/mol and a Tg-value of less than −20° C., and comprise carbon monoxide, at least one olefinic C2- to C4-monomer and at least one olefinic C6- to C20-monomer and have an average molecular weight Mw greater than 40,000 g/mol and a Tg-value of less than 20° C.

Abstract: Olefin/CO linear alternating copolymers which are useful in hot melt adhesive applications are disclosed. The linear alternating copolymers have melting points ranging from 50 to 165° C. and exhibit a combination of properties which are desired for hot melt adhesives. Single olefins or combinations of olefins ranging from ethylene to C12 olefins can be used to form the linear alternating copolymer.

Abstract: An grafted polymeric amine is provided, the grafted polymeric amine including: N-substituted 2,5-pyrrolediyl groups incorporated in the backbone wherein the N-substituted 2,5-pyrrolediyl group may be represented by the general formula wherein R independently represents a hydrogen or a hydrocarbyl group and B represents the substituent containing at least one primary amino group; and vinyl monomers grafted to a polyketone backbone. This grafted polymeric amine is useful as a component in a wood glue 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(disubstituted ethylene-co-maleimide) polymer with a maleated polyalkylene and an alkyl diamine under substantially dry conditions sufficient to form a polyalkylene grafted poly(disubstituted ethylene-co-maleimide) polymer product; and, dispersing the polyalkylene grafted poly(disubstituted ethylene-co-maleimide) 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: The present invention provides novel anionic polymerization amine initiators having a tertiary amine group pendant to the polymer chain and processes for making the same. The initiators can be useful in the preparation of tertiary amine containing polymers, including linear, homotelechelic, heterotelechelic and radial polymers.

Abstract: The invention is related to non-linear, paraffin-soluble olefin/carbon monoxide and olefin/acetylene/carbon monoxide copolymers. The invention is also related to a method for preparing olefin/carbon monoxide copolymers by heating a feed of at least one olefin, carbon monoxide, carbon dioxide, hydrogen, and methane in the presence of a free radical polymerization initiator. More particularly, the feed comprises at least one olefin, the total olefin amount ranging from about 5 to about 40 mole %, carbon monoxide in an amount ranging from about 1 to about 40 mole %, hydrogen in an amount ranging from about 4 to about 55 mole %, carbon dioxide in an amount ranging from about 3 to about 10 mole %, and methane in an amount ranging from about 4 to about 85 mole %. The feed may also include acetylene in an amount ranging up to about mole %.

Abstract: The present invention is directed to methods of fabricating electrically conducting polymers and precursors thereof in which the polymer has a controlled level of aggregation and morphology. This is done by controlling the rate of polymerization and the rate at which the polymer precipitates from solution during the polymerization reaction. An additive is added to the polymerization medium, said additive increasing or decreasing the rate at which the polymer precipitates from the reaction medium. When said additive is a second organic solvent, the polymerization reaction proceeds homogeneously for a longer period of time than does the corresponding polymerization reaction which does not include said additive. Control of the polymerization kinetics allows control of the morphology for the isolated polymer and in turn control of the properties of these polymers.

Abstract: A method for the synthesis of TFPX-dichloride is disclosed. The method involves reacting hexachloro-p-xylene with anhydrous HF in an inert organic solvent. The reaction is advantageous in that it produces relatively high yields of TFPX-dichloride, provides little waste, and is carried out as a simple, one-step process.

Abstract: Amphoteric amine based polymers having a net cationic charge, wherein the polymers are obtained by reacting (a) at least one amine with (b) at least one crosslinking agent, in a molar ratio of (a):(b) of from 2:1 to 1:1.5 and (c) reacting the condensation products of (a) and (b), which are free of anionic groups, with an anionic group containing an alkylating agent or oxidizing their tertiary nitrogen atoms to N-oxides in such an amount that the resulting polymers still have a net cationic charge, and a process for the production of amphoteric amine based polymers having anet cationic charge by reacting the compounds of (a), (b) and (c) the amphoteric amine based polymers may be used as additives in detergents.

Abstract: A catalyst composition prepared by reacting together(a) a source of a Group VIII metal(b) a bidentate phosphine ligand having at least two phosphorus atoms joined by a bridging group of the formula--(N).sub.x --(P).sub.y --N--where x is 0 or 1 and y is 0 or 1, and(c) a promoteris disclosed. The Group VIII metal is preferably palladium. The promoter can be a weakly or non-coordinating anion. Alternatively it can be a boron hydrocarbyl compound or an aluminoxane.Also disclosed are novel bidentate phosphine ligands and intermediates therefor as well as novel palladium complexes. The catalysts are used in the preparation of polyketones.

Abstract: Linear, alternating .alpha.-olefin-CO copolymers are obtainable by polymerization of a monomer mixture comprisinga) carbon monoxide,b) 1-alkenes which are functionalized by a covalently bonded crown ether unit or cryptand unit A containing at least 5 heteroatoms selected from the group consisting of nitrogen, oxygen, sulfur and/or selenium in the polyheteroatom framework, and, if desired,c) C.sub.2 -C.sub.24 -1-alkenes.

Abstract: The present invention provides a process for generating mixed acetal polymers by reacting a hydroxyl containing polymer or monomer with vinyl ether and alcohol in the presence of an acid catalyst. The process of this invention provides a new class of polymers based on mixed acetals which are prepared in-situ with one reaction. The mixed acetal polymers are inexpensive to synthesize and readily reproducible. The resulting mixed acetal polymer is blended with a photoacid generator and dissolved in a solvent to produce a chemically amplified resist composition. A process for forming a pattern comprises the steps of providing the chemically amplified resist composition, coating a substrate with the resist composition, imagewise exposing the resist coated substrate to actinic radiation, and forming a resist image by developing the resist coated substrate.

Abstract: The present invention relates to a method for sequestering bile acids in a patient and to particular polymers for use in the method. The method comprises the step of orally administering to a mammal, such as a human, a therapeutically effective amount of a new class of water-insoluble noncrosslinked amine polymers.The water-insoluble noncrosslinked amine polymer comprises an amine-containing monomer or repeat unit which has one or more substituents bound to an amine nitrogen of the amine polymer. The substituent or substituents which are bound to the amine nitrogens of the amine polymer include a hydrophobic moiety and/or a quaternary amine-containing moiety.

Abstract: The invention relates to nonlinear-optically active copolymers, to crosslinked NLO polymer materials produced from them and having high orientation stability, and to electrooptical and photonic components comprising these polymer materials. The copolymers of the invention are of the general formula 1 ##STR1## in which W is preferably a chromophoric group of the general formula 2: ##STR2## The chromophores employed in accordance with the invention exhibit high thermal stability and so can be processed at elevated temperatures while retaining the optical activity.

Abstract: Apparatuses and methods are disclosed for the production of a polyester/epoxy copolymer that can be applied as a liquid to a surface prior to being cured. The method of preparing the polyester/epoxy copolymer includes mixing maleic acid with dicyclopentadiene to produce a ten-carbon double ring ester, promoting esterification with the addition of a source of hydroxyl, such as an alcohol or a glycol, to a desired acid number and reacting with an epoxy. Optionally, a source of unsaturation may also be added. Examples include excess maleic anhydride, fumaric acid, excess ten carbon ester, nadic anhydride, or tetrahydrophthalic acid. Electrical components of the present invention include a cured coating of the copolymer of the present invention over at least a portion of the component. Specific, selective modifications to 100% reactive polyester/epoxy copolymer electrical varnishes can result in greatly improved moisture and chemical resistance properties.

Abstract: The catalyst systems comprise as active constituentsa) a metal complex of the formula (I) ##STR1## b) one or more Lewis or protic acids or a mixture of Lewis and protic acids.

Abstract: The present invention provides a highly impact resistant polyamide composition which comprises a polyamide resin and an acid modification product of a metallocene catalyzed polyolefin elastomer. The invention also provides a less hygroscopic and highly impact resistant polyamide composition which comprises a polyamide resin, novolak phenol and an acid modification product of a metallocene catalyzed polyolefin elastomer. Used as the polyamide resin is less expensive nylon 6.

Abstract: Processes for producing saturated polymers monosubstituted with carboxylic amides are disclosed. One process comprises reacting a monounsaturated hydrocarbon polymer with carbon monoxide and a polyamine containing at least two amino groups at least one of which is a reactive amino group, in the presence of a catalyst comprising at least one member selected from the group consisting of the transition metals of Group 8 to 10 and the metal compounds thereof. Another process comprises reacting a polyamine containing a reactive amino group with a monofunctionalized, saturated hydrocarbon polymer containing a carboxylic acid or carboxylic ester functional group, the monofunctionalized hydrocarbon polymer obtained by reacting a starting mono-unsaturated hydrocarbon polymer with carbon monoxide and water or alcohol in the presence of a Group 8-10 transition metal catalyst. The products of the processes are useful as additives in lubricating oils and in fuels, for example, as dispersants and/or detergents.

Abstract: Multilayer polyketone compositions are presented. These compositions have at least one layer of polyketone, at least one layer of a polyamide having a lengthy aliphatic chain segment and a tielayer of a polyamide having a short aliphatic chain segment, a polyamide-AABB portion, a polyamide having a lengthy aliphatic chain segment, and preferably residual polyamide monomer. Processes for making these composites are also presented. In another embodiment of the invention, the tielayer is a polyamide monomer.

Abstract: Copolymers of sulfur dioxide and/or carbon monoxide and olefins, especially ethylene, can be made by contacting these monomers with a combination of selected strong Lewis acid and a selected metal or a compound of a selected metal. The resulting polymers, which are often alternating copolymers, are useful as molding resins.

Abstract: A continuous process for functionalizing polymers is disclosed, wherein (A) a liquid comprising the polymer and a gas comprising a functionalizing agent are continuously introduced into a dispersing zone operated in laminar flow with high intensity mixing of the liquid and the gas under functionalization conditions, wherein the mixing is conducted for a period of the dispersing zone residence time at a shear rate effective to form a stable gas-liquid dispersion in which the gas is substantially dissolved or dispersed in the liquid for functionalization, and wherein the shear rate is less than about 5 s.sup.-1 for no more than about 30% of the residence time; (B) the gas-liquid dispersion is continuously passed to a blending zone operated in laminar flow with low intensity mixing under functionalization conditions, wherein the mixing is conducted at a shear rate effective to further dissolve the gas into the liquid for further functionalization; and (C) continuously recovering functionalized polymer.

Abstract: Linear, thermoplastic, elastomneric copolymers of carbon monoxide and olefinically unsaturated compounds have an alternating sequence of repeating units and an average molecular weight Mw of the copolymers of from 80,000 to 1,200,000, binary, linear, alternating carbon monoxide/ethylene copolymers being excluded.

Abstract: This invention relates to the process for the preparation of macromonomers with more than one polycondensable functional groups with equal reactvity, which comprises reacting a carboxyl or hydroxyl terminated prepolymers, with an organic compound containing two or more isocynnate reactive functional groups, in the presence of a dehydrating agent and a non-reactive solvent at ambient temperatures, separating the product from the reaction mixture by conventional means.

Abstract: An emulsion polymerization system comprising a polymeric stabilizer, wherein the polymeric stabilizer comprises one or more alpha olefin/maleic anhydride copolymers and is present in the emulsion polymerization system in an amount greater than 0 and less than 5% by weight.

Abstract: A catalyst composition prepared by reacting together (a) a source of a Group VIII metal; (b) a bidentate phosphine ligand having at least two phosphorus atoms joined by a bridging group of the formula --(N).sub.x --(P).sub.y --N-- where x is 0 or 1; and (c) a promoter is disclosed. The Group VIII metal is preferably palladium. The promoter can be a weakly or non-coordinating anion. Alternatively it can be a boron hydrocarbyl compound or an aluminoxane. Also disclosed are novel bidentate phosphine ligands and intermediates therefor as well as novel palladium complexes. The catalysts are used in the preparation of polyketones.

Abstract: Methods for loading and alignment of liquid crystal polymers in electro-optic and electro-active devices comprise in-situ polymerisation between substrates of monomer material in the presence of a cationic initiator. This allows for the synthesis of liquid crystal polymers containing polyether backbones.

Abstract: Flame retardant compositions comprising a polymer of carbon monoxide, and at least one olefin, and a flame retarding quantity of a melamine compound.

Abstract: Thermoplastic compositions of polyketones having an increased flexural modulus are made by intermixing alternating aliphatic polyketones with a stiffening quantity of pentaerythritol.

Abstract: The specification describes processes for synthesizing vinyl ether functionalized oligomers or polymers, and methods for coating optical fibers with formulations containing these oligomers or polymers. Optical fibers coated with these formulations can be highly transparent to radiation used to write optical gratings in the optical fibers.

Abstract: 1,2-Disulfones are particularly suitable as thermally and photochemically activatable latent acid catalysts for binder systems which contain at least one acid-curable component.

Abstract: A polyketone solution is prepared by the dissolution of alternating aliphatic polyketone in a solution of LiX. X can be I, Br, or SCN. At a given temperature, these solvents completely dissolve polyketone when aqueous or organic solutions are made from particular concentrations.