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WO/1997/012378A1 |
Circuit protection devices comprising PTC elements and circuits containing such devices. The PTC element includes a crystalline conductive polymer composition comprising a conductive particulate filler grafted to a modified polyolefin. T...
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WO/1997/012284A1 |
A liquid ink composition containing organosols having side-chain or main-chain crystallizable polymeric moieties is described. The incorporation of organosols having crystallizable polymeric moieties into the ink compositions provide imp...
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WO/1997/007148A1 |
The invention relates to a method for the preparation of a mixed polymer, comprising the steps of: (a) admixing a monomer and, if desired, a polymerization initiator to a first polymer; b) causing the monomer and the polymer to react in ...
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WO/1997/006193A1 |
A cold curable composition containing an emulsion which has the core of the emulsion particles composed of from 1 to 30 % by weight of a silylated vinyl monomer (A) and from 70 to 99 % by weight of a vinyl monomer (B) copolymerizable wit...
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WO/1997/004014A1 |
Graft polymers obtainable by the radically initiated polymerisation of (A) monomers or monomer mixture of (a) 1 to 100 wt.% N-vinyl carboxylic acid amides of the formula (I) in which R1, R2 = H and C1 to C6 alkyl, (b) 0 to 99 wt.% other ...
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WO/1997/001597A1 |
A scorch retarding system suited for curing free radical curable elastomers, consisting of or comprising at least one aminoalkyl phenolic scorch retarder acid salt, and possibly at least one polyfunctional monomer coagent. A curable elas...
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WO/1997/001589A1 |
The invention pertains to graft copolymers (P1) with a mean particle size of 40 to 2000 nm, containing as a graft base (P1.1) a soft segment that has a glass transition temperature of at most 10 �C and comprises at least one acrylate a...
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WO/1997/000295A1 |
A carbon black graft polymer that is prepared by mixing a block or graft polymer comprising a segment (A) having groups reactive with the functional groups present on the surface of carbon black and a segment (B) having a skeletal struct...
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WO/1996/041825A1 |
A water-redispersible powder based on substantially water-insoluble film-forming polymers prepared by the aqueous emulsion polymerisation of ethylenically unsaturated monomers with a core/shell structure comprising a hydrophobic polymeri...
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WO/1996/040511A1 |
Compositions comprising polyurethane dispersions and water-reducible resins particularly suited for use as basecoats in low VOC basecoat/clearcoat vehicle coatings.
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WO/1996/037521A1 |
The present invention provides a post-polymerization process for modifying the molecular weight distribution of a polymer having a monomodal molecular weight distribution, which polymer normally exhibits a decrease in molecular weight wh...
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WO/1996/036652A1 |
A bimodal, crosslinked toner resin can be prepared in non-aqueous solvent, e.g., toluene, using standard solution polymerization techniques. The resin-forming process prepares a precursor resin from ethylenically unsaturated monomer(s), ...
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WO/1996/034018A1 |
A polymeric material comprising at least first and second polymer parts, which first part has a number average molecular weight higher than that of the second part and which first and second polymer parts each comprise a respective polym...
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WO/1996/034026A1 |
Grafted polymer particles are prepared by a free-radical addition polymerization mechanism using a flame produced by igniting a mixture of a combustible gas and an oxidant to heat at least a portion of the surface of a solid polymer part...
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WO/1996/032424A2 |
Provided are allyl-functional polymers having pendant enamine moieties and preferably also possessing pendant methacrylate groups. The presence of such groups in the polymer allows for a free-radical crosslinking reaction to take place d...
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WO/1996/032429A1 |
This invention provides polymers useful in coating compositions. The polymers are prepared via a free radical polymerization using ethylenically unsaturated monomers. The polymers of this invention possess pendant allylic groups which ar...
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WO/1996/032425A2 |
Provided are allyl-functional polymers having pendant enamine moieties and preferably also possessing pendant methacrylate groups. The presence of such groups in the polymer allows for a free-radical crosslinking reaction to take place d...
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WO/1996/031549A1 |
The invention concerns dendrimeric graft polymers based on base carriers containing hydroxyl groups and on the surfaces of which polymers are covalently bound, the following conditions applying: a) the base carrier contains aliphatic hyd...
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WO/1996/030421A1 |
A new polymerization process (atom transfer radical polymerization, or ATRP) based on a redox reaction between a transition metal (e.g., Cu(I)/Cu(II)), provides "living" or controlled radical polymerization of styrene, (meth)acrylates, a...
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WO/1996/029370A2 |
An improved barrier or drug delivery system which is highly adherent to the surface to which it is applied is disclosed, along with methods for making the barrier. In the preferred embodiment, tissue is stained with a photoinitiator, the...
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WO/1996/025441A1 |
A blended composition containing polycarbonate, polyester, an olefinic epoxide-containing copolymer and a polyamine compound, which composition possesses a desirable balance of impact resistance, solvent resistance, and resistance to the...
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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/1996/023007A1 |
The invention provides for a thermoset or thermoplastic gel composition containing a polymer with anhydride groups along the polymer backbone at least at outset of the fabrication process and an extender fluid, optionally including therm...
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WO/1996/023011A1 |
It is possible by the radical solid phase graft polymerisation of function monomers with at least one functional group selected from among mono and dicarboxylic groups or groups derived therefrom, especially anhydride groups, and hydroxy...
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WO/1996/020023A1 |
A method for modifying the surface of a material by: a) exposing the surface to a glow discharge plasma to activate the surface; b) exposing the surface to an ethylenically unsaturated monomer or mixture of monomers; and c) irradiating t...
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WO/1996/019536A1 |
Aqueous emulsion of an organic polymeric material (preferably olefinic), said polymeric material comprising: 1) a hydrophobic polymer part which has a polymodal particle size distribution, and 2) an oligomer part bearing acid groups whic...
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WO/1996/019511A1 |
The present invention is directed to a latex composition comprising: a liquid phase selected from water, water-miscible solvents, or mixtures thereof; and from about 5 to about 50 % by weight of latex particles dispersed in the aqueous p...
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WO/1996/019512A1 |
Method of grafting a water-soluble organic oligomer(s) to an organic polymer(s) in aqueous latex form, which method comprises forming a water-based mixture of a water-soluble oligomer(s), an aqueous latex of a polymer(s), and at least on...
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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/1996/014357A1 |
A process is provided for preparing an acrylic copolymer latex having improved mechanical and shear stability comprising emulsion polymerizing at least one ethylenically unsaturated monomer having up to 23 carbons in the presence of, by ...
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WO/1996/014355A1 |
The invention concerns an aqueous polymer dispersion containing: A) a dispersed polymer A which is obtained by radical aqueous emulsion polymerisation in two chronologically successive steps of different monomer compositions and comprise...
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WO/1996/014349A1 |
A curable pressure sensitive adhesive having long shelf stability comprising: (1) at least one free radically polymerized polymer; (2) at least one cationically-polymerizable monomer; (3) a photo-activatable catalyst system for the catio...
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WO/1996/011234A1 |
A method for polymerizing predominantly one or more acrylate and/or vinyl acetate monomers in the presence of a latex results in high solids dispersions of polymer particles with lower viscosities than traditionally observed. A significa...
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WO/1996/005249A2 |
Solute polymers in solvent monomers form a coatable syrup that can be cured to a viscoelastomeric material when radiation-sensitive hydrogen abstracting groups in either the polymer or one of the monomers are exposed to ultraviolet radia...
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WO/1996/004346A1 |
Solute polymers in solvent monomers form a coatable syrup that can be cured to a viscoelastomeric material when radiation-sensitive 'alpha'-cleaving groups in either the polymer or one of the monomers are exposed to ultraviolet radiation...
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WO/1996/001851A1 |
A polymerization process procedures polymers that are insoluble in a reaction mixture that was homogeneous before the polymer began to form. A dispersing agent in the polymerizing system (i.e., the reaction mixture plus the dispersing ag...
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WO/1996/001850A1 |
A polymerization process produces polymers that are insoluble in a reaction mixture that was homogeneous before the polymer began to form. A dispersing agent in the polymerizing system (i.e., the reaction mixture plus the dispersing agen...
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WO/1996/000251A1 |
The present invention provides amphipathic graft copolymers comprising a hydrophobic polymer portion combined with at least one hydrophilic polymer portion containing pH independent ionic groups. The amphipathic graft copolymers can be p...
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WO/1996/000249A1 |
An aqueous resin composition produced by copolymerizing polypropylene, polyethylene, a propylene-ethylene-'alpha'-olefin copolymer or a product of degradation thereof by heat, an oxidizing agent or a free-radical generator with 0.1-20 wt...
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WO/1995/034583A1 |
In this invention an aqueous seeded microemulsion polymerization procedure is provided in which colloidal polymer particles are produced from tetrafluoroethylene or tetrafluoroethylene/comonomer or other polymerizable monomers. The parti...
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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/1995/031491A1 |
The invention provides novel organic polymer hydrogels comprising oligo(polyhydroxylalkyl)silylmethacrylate, particularly tetraethylene glycol 'alpha'-'omega' bis(dimethoxysilylpropylmethacrylate), crosslinkers for use in constructing or...
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WO/1995/029944A1 |
Process for making organic solvent-free aqueous crosslinkable polymer composition comprising: a) preparing an aqueous solution of an acid-functional oligomer with Tg below 50 �C and having crosslinker functional groups; b) conducting a...
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WO/1995/029959A1 |
A composition comprising: (a) at least one olefinic monomer (A), (b) at least one polymer of at least one olefinic monomer, (c) an indicator dye to the basic structure of which an olefinic polymerisable group is covalently bonded directl...
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WO/1995/030148A1 |
A method for the independent, reversible, optical determination of the pH value and the ionic strength of an aqueous sample with the aid of two different sensors in accordance with the fluorescence method, in which method two optical sen...
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WO/1995/024430A2 |
There is disclosed block and graft copolymers which, in one embodiment, contain both a temperature-sensitive polymer component and a pH-sensitive polymer component, and the use of such copolymers for topical drug delivery to a treatment ...
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WO/1995/023826A1 |
A method for property modification of bulk polymers, including polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), natural rubber and the like, by initially treating a short chain organic acid, having a carboxylic group (wit...
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WO/1995/020626A1 |
The invention concerns a dispersion powder composition which is redispersible in water and is made from water-insoluble homopolymers or copolymers of preferably ethylenically unsaturated monomers and one or more organosilicon compounds p...
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WO/1995/017444A1 |
The invention relates to water-soluble, acid-group-containing graft copolymers which are at least partly biodegradable based on polyhydroxy compounds and monoethylenically unsaturated carboxylic, sulphonic and/or phosphonic acids or thei...
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WO/1995/015747A1 |
A method of preventing adhesions by topical administration of fibrinolysis enhancing agents is described. The method uses a topically applied polymeric matrix for delivery of a fibrinolytic agent, preferably urokinase, tPA, hirudin, or m...
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