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WO/1997/007140A1 |
A polybutadiene resin functionalized by R-COO- type terminal functions which are derived from an 'alpha', 'beta' unsaturated carboxylic acid, said resin consisting of the product of the reaction of a -COOH or anhydride-terminated polybut...
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WO/1997/002295A1 |
A process for flocculating a diene polymer rubber latex produced by emulsion polymerization and thereby increasing polymer particle sizes to form a rubber latex (A) of enlarged polymer particles, which is characterized in that the enlarg...
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WO/1996/037528A1 |
Polycyclic addition polymers derived from norborene-type monomers are mixed with a variety of other polymers to generate families of new blends, alloys, and block copolymers.
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WO/1996/035509A1 |
A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure: M-Qn-Z-OA(R1R2R3) wherein M is defined as an alkali metal, selected from the group consisting of lithium, sodiu...
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WO/1996/032440A1 |
An impact-resistant methacrylic resin which is more versatile from the industrial viewpoint, has weather resistance and surface gloss inherent therein and, if necessary, can maintain excellent properties such as transparency, and has an ...
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WO/1996/024620A1 |
A method for polymerising or copolymerising at least one radical-polymerisable monomer in the presence of a stable free radical from the nitroxide family. The stable free radical is 'beta'-substituted and provides excellent polydispersit...
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WO/1996/024633A1 |
A rubber-modified styrenic resin composition prepared by dissolving a rubbery polymer in a styrenic monomer and subjecting the obtained solution to graft polymerization, characterized in that: (1) the rubbery polymer is dispersed in the ...
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WO/1996/020963A1 |
Water redispersible powder of film-forming polymers that are water insoluble and prepared by polymerization in an aqueous emulsion of ethylenically unsaturated monomers with a core/shell structure including a hydrophobic core structure o...
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WO/1996/018666A1 |
The invention pertains to a process for producing impact-resistant modified polystyrene molding compounds by continuous anionic polymerization of styrene monomers in the presence of a rubber in a single reaction zone, wherein a styrene s...
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WO/1996/017878A1 |
Disclosed are particulate rubber-elastic graft polymers suitable for the qualitative improvement of macromolecular foundation materials B and consisting of: (a) a graft core of rubber-elastic polymer PK, the graft core having a mean part...
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WO/1996/015192A1 |
A heat-resistant thermoplastic resin composition comprising 5-95 parts by weight of a polyamide resin (A), 5-95 parts by weight of an unsaturated carboxylic acid copolymer (B) comprising 40-80 wt.% of an aromatic vinyl compound, 15-50 wt...
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WO/1996/012746A1 |
A grafted polyolefin containing one or more of N-vinylimidazole, 4-vinylpyridine, or other ethylenically-unsaturated nitrogen-containing or oxygen-containing graftable monomers grafted to a polyolefin backbone is disclosed. The grafted p...
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WO/1995/034019A1 |
An ophthalmic lens material which comprises a copolymer of a diene polymer with a comonomer mainly comprising a monomer copolymerizable therewith, has high oxygen permeability, refractive index and mechanical strength, and is excellent i...
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WO/1995/032226A1 |
A fire retardant polymeric resin is disclosed. The resin comprises a polymer having grafted thereto a fire retardant effective amount of a monomer composition selected from among salts of acidic monomers, mixtures of salts of acidic mono...
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WO/1995/022570A1 |
Rubber-modified monovinylidene aromatic copolymers having an enhanced combination of gloss, toughness and melt flow characteristics are provided by a process wherein a rubber latex having a specified particle size is partially agglomerat...
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WO/1995/022566A1 |
A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure: M-Z-O-C(R1R2R3) wherein M is defined as an alkali metal, preferably lithium; Z is defined as a branched or stra...
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WO/1995/017438A1 |
An improved process for the polymerization of the styrene is provided. The process comprises feeding styrene monomer (1) and a mixture of peroxides (3), which decompose at progressively higher temperatures, into a prepolymerization vesse...
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WO/1995/015988A1 |
Graft copolymers of chloroprene and alkyl or cycloalkyl esters of unsaturated acids are prepared in a one-stage programmed temperature process.
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WO/1995/015348A1 |
High shock resistant polymers comprising a vinylaromatic polymer and a rubber, and method of production. The compositions are obtained using two polybutadienes whose viscosities, measured at 25 �C at 5 % by weight in the styrene, are 1...
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WO/1995/013272A1 |
A chroman derivative represented by general formula (I), a pharmaceutically acceptable salt thereof, and a medicinal use thereof, wherein R1 is cyano, nitro, trihalomethyl, trihalomethoxy or halogen; R2 is lower alkoxyalkyl, aryloxyalkyl...
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WO/1995/009192A1 |
Graft copolymerized maleimide-modified, impact resistant monovinylidene aromatic copolymer compositions have substantially improved impact strength and fatigue resistance properties when the swelling index thereof is 12 or greater and wh...
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WO1995002618A1 |
A process for producing a rubber-modified styrene resin having a narrow rubber particle diameter distribution and an excellent balance between impact strength and elastic modulus. The process comprises preheating a solution of a mixture ...
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WO/1994/025516A1 |
Disclosed is an expanded foamed bead for a rubber-modified styrene polymer, comprising a plurality of closed cells defined by cell walls which constitute a matrix for the bead, wherein each of the cell walls comprises two surfaces separa...
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WO/1994/016013A1 |
Toughened polyester compositions comprising from 10 % to 40 % by weight of a star-shaped modified, hydrogenated conjugated diene polymer with from 60 % to 90 % by weight of a thermoplastic polyester. The modified polymers are grafted wit...
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WO/1994/014861A1 |
Copolymerisates obtainable by radically initiated copolymerisation of mixtures of (a) 20 to 95 % 1-vinyl pyrrolidone, 1-vinyl imidazoles as well as mixtures of 1-vinyl pyrrolidone and/or 1-vinyl imidazoles which can contain up to 20 % by...
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WO/1994/012551A1 |
High impact styrenic polymers having good ESCR properties and improved physical properties can be employed in the production of thinner sheet stock for use in the manufacture of, for example, refrigerator liners, thereby resulting in red...
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WO/1994/011188A1 |
Flame retardant latex coatings are disclosed which include natural or synthetic latex grafted with ring-halogenated, ethylenically unsaturated aromatic monomers. The grafted latex is used alone or in combination with non-grafted natural ...
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WO/1994/007923A1 |
A latex of diene polymer particles wherein the mean particle diameter is 0.1 to 0.5 mum, the monodispersity ratio is 15 % or less and the content of the particles having diameters 0.85-1.15 times as large as the mean particle diameter is...
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WO/1992/018566A1 |
A one-coat adhesive composition which utilizes environmentally acceptable ingredients and which can withstand high temperature conditions such as those experienced during injection molding processes. The adhesive contains a Diels-Alder a...
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WO/1992/013015A1 |
Preparation and use of a functionalized polymeric composition comprising a first phase and a second phase. The first phase comprises a first copolymer of a monovinylidene monomer and a comonomer selected to have at least one reactive epo...
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WO/1992/003418A1 |
N-(3,5-di-alkyl-4-hydroxy)phenyl norbornene dicarboximides useful for inhibiting oxidation of polymeric compositions. Such oxidation inhibitor can be provided as a monomer, oligomer or homopolymer or incorporated into copolymers or graft...
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WO/1991/017192A1 |
A modified polyolefin polymer having one glycidylated structural unit of general formula (I) (wherein Ar represents an aromatic C�6? to C�23? hydrocarbon group having at least one glycidyloxy group and R represents hydrogen or methyl...
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WO/1991/013118A1 |
The present invention relates to a process for the preparation of impact resistant and high gloss thermoplastic resin which comprises blending graft polymer latex (A) and graft polymer latex (B), wherein the graft polymer (A) having 40,0...
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WO/1991/011472A1 |
A photocurable resin composition comprising: (a) a modified resin prepared by the reaction of either a conjugate diene polymer having a number-average molecular weight of 500 to 5,000 and a vinyl content of at least 50 mole % or an adduc...
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WO/1991/010690A1 |
A catalytic process for free radically induced polymerization and graft copolymerization of a free radically polymerizable monomer onto a compound in the presence of a free radical initiator, an organic catalyst and in the presence or ab...
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WO/1991/010686A1 |
A graft nitrile rubber contains up to 50 % by weight of maleic anhydride grafted thereon, preferably free radical melt grafted. The grafted nitrile rubber may be mixed in amounts up to 50 % by weight with a polyamide to form a compositio...
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WO/1991/005812A1 |
Imide-containing polymers of styrene-type monomers are prepared by a process comprising solution polymerizing under free radical polymerization conditions a polymerizable monomer composition comprising at least one vinylaromatic monomer ...
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WO/1991/002008A1 |
Hydroperoxidized rubber-containing polymers are prepared in a process wherein a rigid phase polymer is prepared by polymerization of one or more free radically polymerizable monomers in the presence of a hydroperoxidized rubbery intermed...
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WO/1990/012823A1 |
The invention provides a nitrile-rich thermoplastic resin composition resistant against fluorinated/chlorinated hydrocarbons which comprises a specific graft copolymer obtained by copolymerizing a vinyl cyanide compound with an aromatic ...
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WO/1990/012046A1 |
A graft polymer is prepared by grafting, onto a polymeric hydrocarbon backbone, a free-radical polymerizable vinyl nitrogen monomer, which grafting takes place in the presence of an aliphatic hydrocarbon substituted aromatic solvent capa...
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WO/1990/010656A1 |
This invention relates to a method of producing a rubber-modified styrenic resin having an excellent impact resistance and containing rubber particles of a weight-mean particle diameter of 1.5 to 4 $g(m)m, which comprises: supplying cont...
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WO/1989/012076A1 |
The invention relates to friction drive belt which is particularly adapted for driving, for example, auxiliary machines of an automobile engine (e.g., a cooling fan). This belt is made of a vulcanized rubber composition comprising a high...
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WO/1988/006655A2 |
A non-aqueous shade enhancing agent composition comprises (a) a copolymer obtained by graft-polymerizing a main chain polymer being substantially insoluble in a non-aqueous solvent having a solubility parameter in the range of 6.5 to 10....
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WO/1987/003603A1 |
Ziegler-Natta catalyzed polymer chains are end capped with at least one functional group-containing unit which is otherwise essentially absent from said polymer chain. The chains can be grafted to form graft copolymers and star copolymer...
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WO/1987/000188A1 |
Epoxy compounds contain a discontinuous phase dispersed therein. The dispersed phase comprises an elastomeric particle in the form of a grafted rubber concentrate and contains a functionality such as that provided by polymerized glycidyl...
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WO/1986/006733A1 |
Rubber modified copolymers of a vinyl aromatic monomer and optionally a copolymerizable polar comonomer are prepared in a continuous, recirculated reactor process at a recirculation ratio in the range from 3 to 60.
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WO/1986/006731A1 |
A rubber-modified polymeric composition and process. The rubber-modifying component comprises a grafted rubbery polymer, said grafted rubbery polymer being formed by a process, the steps of the process involving the formation of a hydrop...
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WO/1986/003211A1 |
A rubber-reinforced, impact resistant polymeric polyblend composition having enhanced melt flow rate and excellent environmental stress crack resistance on exposure to trichlorofluoromethane. These desirable physical properties being a r...
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WO/1986/003209A1 |
Improved method for forming a grafted rubbery particle suitable ffor use as a reinforcing rubber in a thermoplastic resin. The grafted rubbery particles produced by the method of the present invention have a substantially continuous, gen...
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WO/1986/000325A1 |
A process for preparing structured latex particles having a core and shell region wherein said latex particles are film forming at room temperature by adjusting the feed rates of the shell monomer feeds such that as the weight fraction o...
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