Abstract: A method for the preparation of gel-free poly 2-hydroxyethyl methacrylate substantially in the absence of a chain transfer agent, comprising introducing monomeric 2-hydroxyethyl methacrylate containing ethylene glycol dimethacrylate impurities in the range of about 0.05 to 0.1% by weight into a solution of alcohol and water and polymerizing. The present invention also provides a method for the preparation of gel-free homopolymer of 4-hydroxybutyl acrylate substantially in the absence of a chain transfer agent in an alcohol or in solution of alcohol and water. The present invention also provides a method for the preparation of gel-free copolymer of 2-hydroxyethyl methacrylate and 4-hydroxybutyl acrylate substantially in the absence of a chain transfer agent, comprising introducing monomeric 2-hydroxyethyl methacrylate containing ethylene glycol dimethacrylate impurities in the range of about 0.05 to 0.1% by weight with monomeric 4-hydroxybutyl acrylate into a solution of alcohol and water.

Abstract: Disclosed are soft, high refractive index, acrylic materials having an elongation of at least 150%. These materials, especially useful as intraocular lens materials, contain an aryl acrylic hydrophobic monomer as the single principal device-forming monomer. In addition to their use as intraocular lens materials, the present materials are also suitable for use in other ophthalmic or otorhinolaryngological devices, such as contact lenses, keratoprostheses, corneal inlays or rings; otological ventilation tubes and nasal implants.

Abstract: A random copolymer obtained by polymerizing a monomer composition comprising allylamine or a salt thereof and a monomer bearing a phosphorylcholine-like group, comprising 0.01 to 9 mole % of constituent units (A1) derived from allylamine or a salt thereof and 91 to 99.99 mole % of constituent units (A2) derived from a monomer bearing a phosphorylcholine-like group, and having a number-average molecular weight of 50000 to 5000000. This copolymer is excellent in biocompatibility, can be easily fixed on the surfaces of substrates, and exhibit good surface lubricity when formed into films, thus being useful as medical material.

Abstract: A process for preparing nitrogen-containing copolymers useful as dispersant-viscosity improvers for lubricating oil compositions, additive concentrates and lubricating oil compositions are described.

Abstract: One aspect of the present invention relates to base-labile crosslinkers. A second aspect of the present invention relates to degradable crosslinked polymers and hydrogels comprising a base-labile crosslinker. The present invention also relates to a method of influencing the degradation rate of a crosslinked polymer or hydrogel, comprising the step of incorporating uncharged acrylamides into the crosslinked polymer or hydrogel.

Abstract: A curable resin composition which exhibits no drawbacks such as yellowing and exhibits excellent hydrolysis sensitivity is provided, and a process for preparing curable oligomers and polymers which has foregoing properties is provided.

Abstract: This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) at least one functionalized monomer having of the structural formula: wherein R represents an alkyl group containing from 1 to about 10 carbon atoms or a hydrogen atom, and wherein R1 and R2 can be the same or different and represent hydrogen atoms or a moiety selected from the group consisting of wherein R3 groups can be the same or different and represent alkyl groups containing from 1 to about 10 carbon atoms, aryl groups, allyl groups, and alkyloxy groups of the structural formula —(CH2)y—O—(CH2)z—CH3, wherein Z represents a nitrogen containing heterocyclic compound, wherein R4 represents a member selected from the group consisting of alkyl groups containing from 1 to about 10 carbon atoms, aryl groups, and allyl groups, and wherein n, x, y and z represents integers from 1 to about 10, with the

Abstract: The invention relates to a stimulus-responding polymer obtained by polymerizing at least a monomer represented by a general formula (1) and a monomer represented by a general formula (2), and a separation method or concentration method of microorganisms, a purification method, detection method or concentration method of nucleic acids, a separating agent, a separation method of biomaterials and a conversion method of materials, which use this polymer, 1

Abstract: This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) at least one functionalized monomer having of the structural formula: wherein R represents an alkyl group containing from 1 to about 10 carbon atoms or a hydrogen atom, and wherein R1 and R2 can be the same or different and represent hydrogen atoms or a moiety selected from the group consisting of wherein R3 groups can be the same or different and represent alkyl groups containing from 1 to about 10 carbon atoms, aryl groups, allyl groups, and alkyloxy groups of the structural formula —(CH2)y—O—(CH2)z—CH3, wherein Z represents a nitrogen containing heterocyclic compound, wherein R4 represents a member selected from the group consisting of alkyl groups containing from 1 to about 10 carbon atoms, aryl groups, and allyl groups, and wherein n, x, y and z represents integers from 1 to about 10, with the

Abstract: Improved processes for atom (or group) transfer radical polymerization (ATRP) and novel polymers have been developed and are described. In certain embodiments, novel copolymers comprising a least one polymeric branch or polymeric block with a predominantly alternating monomer sequence are described. Novel copolymers comprising a least one polymeric branch or polymeric block with a gradient monomer structure are described. Additionally, novel copolymers comprising a least one polymeric branch or polymeric block with a predominantly periodic monomer sequence are also described. Novel copolymers having a water soluble backbone and at least two hydrophobic polymeric branches grafted to the water soluble backbone are also described.

Abstract: An aqueous polymer dispersion is disclosed for use in coating compositions comprising monomer compositions A and B, wherein the difference of the Tg of A and B after monomer polymerization is at least 60° C. and with the highest of such Tg being at least 40° C., with the overall monomer composition being formed by ethylenically unsaturated compounds comprising: 1) one or more compounds selected from alkenyl aromatic monomer, acrylonitrile, an alkyl, (hetero)cycloalkyl or aralkyl ester of acrylic acid and methacrylic acid having 4-22 carbon atoms, acrylamide and methacrylamide, acrylamide and methacrylamide N-substituted with an alkyl, cycloalkyl or aralkyl group having 1-18 carbon atoms, vinyl acetate and vinyl versatate, optionally having a second functional group for reacting with curing agent, 2) an ethylenically unsaturated carboxylic acid and 3) a nitrogenous adhesion promoting, copolymerizable monomer.

Abstract: The &bgr;-hydroxy carbamate, ethylenically unsaturated monomer of the invention can be polymerized as a homopolymer or copolymerized with other monomers. The polymerization can be carried out in an aqueous medium. The &bgr;-hydroxy carbamate monomer is polymerized to form water-soluble homopolymers or, if polymerized as a mixture with one or more comonomers, copolymers that are soluble, emulsifiable, or dispersible in water. The &bgr;-hydroxy carbamate monomer can be used as a replacement monomer for acrylamide.

Abstract: Compounds of the formula: having two double bonds which are activated so that they will take part in a polymerization reaction, the double bonds being sufficiently close together to ensure that cyclopolymerization will preferentially occur. These compounds are used as monomers which preferentially are cyclopolymerized under the influence of ultraviolet or thermal radiation in the production of network polymers, for example coatings or binders.

Abstract: Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nickel or palladium. The resulting polymers are useful as molding resins, elastomers, in adhesives and for films.

Abstract: The present invention relates to a process for the free radical initiated polymerization of unsaturated species characterized by the use of compound of Formula (I) as chain transfer agents, wherein X is selected from hydrogen; CN; optionally substituted aryl; COOH; COOR; C(O)NHR6; C(O)NR7R8; and halogen; Q is selected from COOR1; CN; and C(O)NR7R8; Y is selected from hydrogen; C1 to C6 alkyl; C1 to C6 alkyl substituted with one or more substituents selected from hydroxy, amino, C1 to C6 alkoxy, C1 to C6 alkoxycarbonyl, halogen, CN and optionally substituted aryl; C1 to C6 alkenyl; and C1 to C6 alkynyl; Z is selected from COOR2; CN; and optionally substituted aryl; R3 and R4 may be the same or different and are selected from hydrogen, C1 to C4 alkyl and halogen; or R3 and R4 together with the carbon atom to which they are attached form part of a carbocyclic or heterocyclic ring structure; R is selected from C1 to C18 alkyl; C1 to C12 alkyl substituted with one or more substituents selected from hydroxy, amino,

Abstract: Provided is a polymeric fluorescent substance showing fluorescence in solid state, which has a specific carrier drift mobility, a specific repeating unit, and specific number-average molecular weight. The polymeric fluorescent substance is excellent in solubility to organic solvents, and has higher efficiency and longer lifetime in applying as a polymer LED.

Abstract: An organic anti-reflective polymer having the following Formula 1, its preparation method, an anti-reflective coating composition comprising the said organic anti-reflective polymer and a preparation method of an anti-reflective coating made therefrom. The anti-reflective coating comprising the disclosed polymer eliminates standing waves caused by the optical properties of lower layers on the wafer and by the thickness changes of the photoresist, prevents back reflection and CD alteration caused by the diffracted and reflected light from such lower layers. Such advantages enable the formation of stable ultrafine patterns suitable for 64M, 256M, 1G, 4G, and 16G DRAM semiconductor devices and improve the production yields. Further, it is also possible to control the k value and the increased hydrophobicity facilitates EBR (Edge Bead Removal).

Abstract: Amphoteric promoter resin that is a polymerization reaction product of a quaternary diallylammonium monomer, a diallylammonium monomer, and a unsaturated organic acid as well as compositions containing the amphoteric promoter resin and a sizing agent. The method of sizing paper with such amphoteric promoter resin compound and a sizing agent provides sized paper with significantly improved sizing property characteristics, and the sized paper exhibits superior retention of brightness due to added optical brighteners.

Abstract: The invention relates to a method for the production of a contact adhesive material based on acrylates, characterised in that a) firstly, (co-) polymers are produced by free radical polymerisation from the following monomers: i) a mixture of acrylic monomers, or of acrylic and vinylic monomers, ii) monomers, which contain vinyl groups and with at least one other functional group which is unreactive with relation to radical polymerisations and which is chosen such that it may participate in polymerisation-like reactions with isocyanate groups, making up from 0.1 to 25 wt. % of the monomer mixture, b) by means of a further reaction under addition of isocyanatoethyl acrylate and/or isocyanatoethyl methacrylate, double bonds are introduced along the polymer chain and c) a cross-linking of the polymers is achieved by means of irradiation with energetic radiation after the reaction between the functional groups and the isocyanate groups.

Abstract: Disclosed are soft, high refractive index, acrylic materials having an elongation of at least 150%. These materials, especially useful as intraocular lens materials, contain an aryl acrylic hydrophobic monomer as the single principal device-forming monomer. In addition to their use as intraocular lens materials, the present materials are also suitable for use in other ophthalmic or otorhinolaryngological devices, such as contact lenses, keratoprostheses, corneal inlays or rings; otological ventilation tubes and nasal implants.

Abstract: An organic anti-reflective polymer having the following Formula 1, its preparation method, an anti-reflective coating composition comprising the said organic anti-reflective polymer and a preparation method of an anti-reflective coating made therefrom. The anti-reflective coating comprising the polymer eliminates standing waves caused by the optical properties of lower layers on the wafer and by the thickness changes of the photoresist, prevents back reflection and CD alteration caused by the diffracted and reflected light from such lower layers. Such advantages enable the formation of stable ultrafine patterns suitable for 64M, 256M, 1G, 4G, and 16G DRAM semiconductor devices and improve the production yields. Another advantage is the ability to control the k value.

Abstract: The present invention is directed toward cyanoacrylate-based tissue adhesive or sealant compositions comprising cyanoacrylate-capped heterochain polymers, such as those comprising one or more oxyalkylene, alkylene carbonate, and ester-units derived from cyclic lactones. Such compositions can be radiochemically sterilized and used in repairing internal organs or tissue blocking body conduits.

Abstract: The present invention relates to a polymer produced by polymerizing a vinyl aromatic monomer in the presence of a small amount of furfuryl (alkyl)acrylate.

Abstract: The &bgr;-hydroxy carbamate, ethylenically unsaturated monomer of the invention can be polymerized as a homopolymer or copolymerized with other monomers. The polymerization can be carried out in an aqueous medium. The &bgr;-hydroxy carbamate monomer is polymerized to form water-soluble homopolymers or, if polymerized as a mixture with one or more comonomers, copolymers that are soluble, emulsifiable, or dispersible in water. The &bgr;-hydroxy carbamate monomer can be used as a replacement monomer for acrylamide.

Abstract: The invention relates to a method for producing water-soluble homopolymers and copolymers, comprising oligoalkylene-imine side chains of the general formula (I), wherein [AI]m, m, Y and x have the definitions given in claim 1, by radical homopolymerisation or copolymerisation of monomers A of the general formula (II), wherein [AI]m, m, n, Y and R have the definitions given in claim 1, in an aqueous reaction medium. The invention also relates to the homopolymers and copolymers obtained by this method and to their use as auxiliary agents in paper production.

Abstract: An organic anti-reflective polymer having the following Formula 1, its preparation method, an anti-reflective coating composition comprising the organic anti-reflective polymer and a preparation method of an anti-reflective coating made therefrom. The anti-reflective coating comprising the polymer eliminates standing waves caused by the optical properties of lower layers on the wafer and by the thickness changes of the photoresist, prevents back reflection and CD alteration caused by the diffracted and reflected light from such lower layers. Such advantages enable the formation of stable ultrafine patterns suitable for 64M, 256M, 1G, 4G, and 16G DRAM semiconductor devices, improving the production yields and controlling the k values. It is also possible to prevent undercutting due to an unbalanced acidity after finishing the coating.

Abstract: A method for producing a polymeric material, said method comprising subjecting a starting material which includes two multiple bonds which are activated so that they will take part in a polymerisation reaction and wherein the multiple bonds are sufficiently close togeter to ensure that cyclopolymerisation will preferentially occur; to suitable conditions under which said polymerisation reaction will occur, provided that the starting marerial is other than triallyamine hydrochloride. The method can be used to produce polymers for various processes including adhesives, network polymers, liquid crystal polymers etc.

Abstract: A process is disclosed for a continuous, high temperature polymerization process for preparing a gel free polymeric product. The process comprises continuously charging into a reactor at least one monomer such that the reactor is filled to 100 percent of its usable volume. The reactor is maintained at an effective temperature for an effective period of time to cause polymerization of the monomers into a polymeric product, such that the polymeric product is formed substantially free of gel particles.

Abstract: The present invention provides a polymer that can be used as an anti-refelctive coating (ARC) polymer, an ARC composition comprising the same, methods for producing the same, and methods for using the same. The polymer of the present invention is particularly useful in a submicrolithographic process, for example, using KrF (248 nm), ArF (193 nm), or F2 (157 nm) laser as a light source. The polymer of the present invention comprises a chromophore that is capable of absorbing light at the wavelengths used in a submicrolithographic process. Thus, the ARC of the present invention significantly reduces or prevents back reflection of light and the problem of the CD alteration caused by the diffracted and/or reflected light. The ARC of the present invention also significantly reduces or eliminates the standing wave effect and reflective notching.

Abstract: Polymers are disclosed having the following formula 1 or 2: Polymers of the present invention can be used as an ARC material useful for submicrolithography processes using 248 nm KrF, 193 nm ArF and 157 nm F2 lasers. The polymers contain a chromophore substituent that exhibits sufficient absorbance at the wavelengths useful for the submicrolithography process. The ARC prevents back reflection of light from lower layers and the alteration of the CD by diffracted and reflected light from the lower layers. The ARC also eliminates standing waves and reflective notching due to the optical properties of lower layers on the wafer and to changes in the thickness of the photosensitive film applied thereon, thereby resulting in the stable formation of ultrafine patterns suitable for 64M, 256M, 1 G, 4 G and 16 G DRAMs and a great improvement in the production yield.

Abstract: To prepare compound (I), a quaternising agent R3—X{circle over (−)} is introduced into a solution, in an organic solvent or a mixture of organic solvents, of a compound of formula (III), at a temperature of 35 to 80° C., and the reaction is then allowed to continue at said temperature until compound (III) has disappeared completely or substantially completely, after which water is added and then an aqueous solution of compound (I) is separated and the water removed as necessary.

Abstract: Linear, branched or crosslinked polymer, capable of being obtained by polymerization of N-alkylacrylamide, in which the alkyl radical is linear or branched and comprises from 1 to 6 carbon atoms, with one or more monomers chosen from cationic monomers, monomers comprising at least one partially salified or completely salified strong acid functional group or monomers comprising at least one partially salified or completely salified weak acid functional group. A method of preparing the polymer is also disclosed.

Abstract: Disclosed are soft, high refractive index, acrylic materials having an elongation of at least 150%. These materials, especially useful as intraocular lens materials, contain an aryl acrylic hydrophobic monomer as the single principal device-forming monomer. In addition to their use as intraocular lens materials, the present materials are also suitable for use in other ophthalmic or otorhinolaryngological devices, such as contact lenses, keratoprostheses, corneal inlays or rings; otological ventilation tubes and nasal implants.

Abstract: Fluorocopolymers resulting from the polymerization of a polyfluoromonomer, of an aminoalcohol (meth)acrylate and of methacrylic acid in a distillable organic solvent, and aqueous compositions containing them.

Abstract: It is an object of the present invention to provide a polycarboxylic acid copolymer which improves the water reducing capacity and workability of cement compositions and the like and making them easier to handle when the fluidity and water reducing capacity are at the same levels, a method of producing the copolymer, and a cement additive and a cement composition comprising the copolymer. The present invention is further to provide a polycarboxylic acid copolymer and a cement additive which are capable of improving the strength and durability of hardening products of cement compositions, hence can advantageously be used in ultrahigh strength concrete. The present invention is still further to provide a method of producing polycarboxylic acid copolymers having high water reducing capacity, reducing the viscosity of cement compositions and improving the workability in applying cement.

Abstract: Polymers are disclosed having the following formula 1 or 2: Polymers of the present invention can be used as an ARC material useful for submicrolithography processes using 248 nm KrF, 193 nm ArF and 157 nm F2 lasers. The polymers contain a chromophore substituent that exhibits sufficient absorbance at the wavelengths useful for the submicrolithography process. The ARC prevents back reflection of light from lower layers and the alteration of the CD by diffracted and reflected light from the lower layers. The ARC also eliminates standing waves and reflective notching due to the optical properties of lower layers on the wafer and to changes in the thickness of the photosensitive film applied thereon, thereby resulting in the stable formation of ultrafine patterns suitable for 64 M, 256 M, 1 G, 4 G and 16 G DRAMs and a great improvement in the production yield.

Abstract: A linear water-soluble quaternary ammonium polymer having a homopolymeric chain of repeating unit of general formula (I): where each of R1 and R2 independently represents a member selected from the group consisting of linear or branched alkyl, hydroxyalkyl, alkoxyalkyl groups having from 1 to 6 carbon atoms, X− represents an anion and n is an integer comprised between 30 and 220 has been prepared. Furthermore, the polymer has a molar mass distribution of less than or equal to 1.5. The polymer is used as a displacer in a displacement mode of chromatography.

Abstract: An organic anti-reflective polymer having the following Formula 1, its preparation method, an anti-reflective coating composition comprising the said organic anti-reflective polymer and a preparation method of an anti-reflective coating made therefrom. The anti-reflective coating comprising the polymer eliminates standing waves caused by the optical properties of lower layers on the wafer and by the thickness changes of the photoresist, prevents back reflection and CD alteration caused by the diffracted and reflected light from such lower layers. Such advantages enable the formation of stable ultrafine patterns suitable for 64M, 256M, 1G, 4G, and 16G DRAM semiconductor devices, improves production yields and enables control of the k value. Further, it is also possible to prevent undercutting due to an unbalanced acidity after finishing the coating.

Abstract: Fluorochemical polymers for use in providing stain-release properties to a substrate material are disclosed. The present invention provides for polymeric fluorochemical polymers that include perfluoroaliphatic, hydrophilic, cationogenic, and either N-hydroxyalkylacrylamide and/or diacrylate monomers.

Abstract: The invention relates to novel polyallyl amine polymers having a weight average molecular weight of at least 2000 that, based on the number of amino groups of the polyallyl amine, comprises from approximately 1 to 99% of units of formula wherein R is as defined in the claims. The novel polyallyl amine polymers are useful, for example, for the surface-modification of different substrates or may be used for the manufacture of biomedical mouldings.

Abstract: A process for preparing vinyl aromatic-allylic alcohol copolymers, such as styrene-allyl alcohol (SAA) copolymers, is disclosed. The process is conducted in the presence of a solvent, which enables the preparation of copolymers having both low hydroxyl functionalities and low molecular weights. SAA copolymers produced by the process have an average hydroxyl functionality less than about 4.

Abstract: The present invention relates to a process for the oxidation of alcohols using an oxidation agent and catalytic amounts of homogeneously soluble polymer-enlarged nitroxyl derivatives that are obtained by copolymerization of a mixture containing a compound (I)

Abstract: The present invention is directed to radical-curable adhesive compositions which include a (meth)acrylate component; a thermal resistance-conferring component; and a radical cure-inducing composition. Reaction products of the compositions of this invention exhibit superior resistance of thermal degradation.

Abstract: Adhesives useful in applying articles, such as tapes, labels, signs, decals, emblems, car moldings, protective or optical films, etc., to surfaces to which articles normally do not adhere well, such as surfaces containing fluorine and polycarbonate, for example. The adhesives include a copolymer of one or more monoethylenically unsaturated alkyl (meth)acrylate monomers, one or more monoethylenically unsaturated secondary or tertiary amide-functional monomers, and optionally one or more acidic monomers.

Abstract: Adhesives useful in applying articles, such as tapes, labels, signs, decals, emblems, car moldings, protective or optical films, etc., to surfaces to which articles normally do not adhere well, such as surfaces containing fluorine and polycarbonate, for example. The adhesives include a copolymer of one or more monoethylenically unsaturated alkyl (meth)acrylate monomers, one or more monoethylenically unsaturated secondary or tertiary amide-functional monomers, and optionally one or more acidic monomers.

Abstract: A method of making a sterile adhesive composition includes placing a mixture of a polymerizable adhesive monomer and a thickening agent in a container, sealing the container, and sterilizing the mixture and the container. The method provides superior viscosity for the monomer composition. An adhesive composition includes 2-octyl cyanoacrylate and at least one thickener. The sterile adhesive composition is particularly useful as a medical adhesive and can comprise 1,1-disubstituted ethylene monomers, such as &agr;-cyanoacrylates.

Abstract: The present invention is directed to radical-curable adhesive compositions which include a (meth)acrylate component; a thermal resistance-conferring component; and a radical cure-inducing composition. Reaction products of the compositions of the compositions of this invention exhibit superior resistance to thermal degradation.

Abstract: A polymeric latex prepared by aqueous emulsion polymerization of a monomeric mixture comprising styrene and butadiene in the presence of a seed polymer prepared by aqueous emulsion polymerization of styrene and a salt of 2-acrylamido-2-methylpropanesulfonic acid.

Abstract: The invention provides water-soluble, &bgr;-hydroxy carbamate-functional materials and coating compositions, especially waterborne coating compositions, containing the carbamate-functional materials. The invention further provide a coating prepared from the coating composition and a coated substrate, especially an automotive substrate, having the coating thereon.

Abstract: Disclosed is an extremely rapidly photo-addressable storage media from inherently slow photo-addressable polymers by irradiating a substrate over a large area with a light source suitable for conventional inscription so that an optical anisotropy, i.e. a double refraction with a preferential direction in the plane of the substrate occurs. If the substrates so prepared are briefly intensively irradiated, the pattern is inscribed extremely rapidly and permanently. The invention also relates to novel side-chain polymers in which high optical anisotropy can be generated by irradiation. This optical anisotropy is very heat stable.