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Matches 301 - 350 out of 1,705

Document Document Title
WO/1998/056840A1
An acrylic polymer having a multilayer structure and comprising an innermost layer (A) of a polymer prepared from a C�1-4? alkyl methacrylate, a C�1-8? alkyl acrylate or the like, an intermediate layer (B) of a polymer prepared from ...  
WO/1998/045365A1
The invention relates to transparent, impact-resistant thermoplastic moulding materials containing A) a matrix consisting of at least two different mixture components, B) an impact-resistance modifier, C) an additive, essentially consist...  
WO/1998/039372A1
The present invention is concerned with a method for the preparation of latexes with hollow polymer particles useful as opacifying agents. The process comprises the preparation of hollow polymer particle latex by emulsion copolymerizatio...  
WO/1998/036026A1
The invention relates to a mixture containing 50-90 wt. % of a styrene-diphenyl ethylene copolymer obtained by anionic block (co) polymerization of styrene and 1,1-diphenyl-ethylene or a block copolymer (A) and 10-50 wt. % of a particle-...  
WO/1998/023658A1
A curable composition is described. The curable composition comprises: (a) a polymerisable monomer; (b) a core/shell polymer; and (c) a liquid polymerisable component capable of imparting toughness on the polymerisation thereof; wherein ...  
WO/1998/013403A1
A hard segment H1 is disclosed with a glass transition temperature of at least 10 �C which contains at least one polymerised vinyl aromatic monomer as monomer or one among two or several monomers that can be copolymerised together, at ...  
WO/1998/010001A1
This invention concerns a process for producing aqueous polymer dispersions according to which, first, an aqueous dispersion of a polymer 1 with a glass transition temperature Tg?1� is produced out of ethylenically-unsaturated monomers...  
WO/1998/005694A1
Compounds having the general formula (I) H�2?C=CR?1�-C(O)-Y-R?2�, in which R?1� stands for H, CH�3?, C�2?H�5?, C�3?H�7?; Y stands for O, NH, O-phenylene; R?2� stands for a radical composed of 2 to 10,000 polymerised i...  
WO/1997/040098A1
An acrylic resin composition comprising an acrylic syrup compounded with a thickener comprising a noncrosslinked polymer powder having a bulk density ranging from 0.1 to 0.7 g/ml, capable of absorbing linseed oil in an amount ranging fro...  
WO/1997/040076A1
The present invention concerns a procedure for the production of PVC particles with a narrow size distribution in the range 10-50 'mu'm, preferably 10-30 'mu'm, in which, in a first stage, a vinyl monomer or a mixture of monomers is poly...  
WO/1997/028198A1
This invention provides the preparation of water-dispersible polyester/acrylic hybrids via a two-stage emulsion polymerization process. For example, methacrylic acid and/or 2-hydroxyethyl methacrylate are copolymerized with styrene/acryl...  
WO/1997/022667A1
A sprayable aqueous coating composition for motor vehicles comprising an aqueous dispersion of addition polymer microparticles having a crosslinked core and a non-crosslinked stabilising mantle containing acid groups, characterised in th...  
WO/1997/012921A1
A seed polymerized latex polymer having a gradient polymeric morphology surrounding a latex seed core having a number average core size in the range from about 20 nanometers to about 60 nanometers is described. Also described is the proc...  
WO/1997/011097A1
Polypropylene is crosslinked by means of an ionizing radiation followed by annealing at a temperature of at least 110 �C, in the presence of an unsaturated monomeric compound such as acetylene or 1,3-butadiene or 1,3,5-hexatriene.  
WO/1997/010283A1
A novel particulate silicone-modified acrylic rubber prepared by grafting (B) 45 to 5000 parts by weight of a silicone rubber forming component comprising 99.9 to 80 wt.% of a low-molecular organosiloxane, 0.1 to 10 wt.% of a multifuncti...  
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...  
WO/1997/005198A1
Thermoplastic moulding compounds containing a mixture of (A) a methacrylate polymer; (B) a copolymer of vinyl aromatic monomers and vinyl cyanide; (C) a graft copolymer of a core and a graft shell; and (D) a further graft copolymer of a ...  
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...  
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...  
WO/1997/001588A1
The invention pertains to graft copolymers (P1) in no particular order containing at least (P1.1) a hard segment that has a glass transition temperature of at least 11 �C and that comprises at least one vinyl aromatic monomer as monome...  
WO/1996/037531A1
A multistage core-shell particle consisting of a core, a first shell and optionally a second shell, substantially free from vinylically unsaturated compounds having at least two equally reactive double bonds, wherein: (i) the core contai...  
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...  
WO/1996/030420A1
The present invention concerns an amphoteric polymer dispersion obtained in the presence of starch and/or starch derivatives by two-stage polymerisation using anionic and cationic monomers. The invention also concerns the use of this dis...  
WO/1996/023839A1
The present invention is directed to blends of two grafted rubber substrates and a matrix polymer wherein one of the grafted rubber substrates uses a core/shell rubber such as a styrene/butyl acrylate rubber in order to obtain a lower co...  
WO/1996/019509A2
The proposed emulsion graft copolymers are built up from the following: A) 5-18 % a first stage consisting of (a1) 85-99 wt.% methyl methacrylate, (a2) 1-15 wt.% acrylic acid C1-C8 alkyl ester, (a3) 0-2 wt.% allyl methacrylate, (a4) 0-3 ...  
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...  
WO/1996/015164A1
In a process for producing modified rubber moulding masses, a first mixture (A) that contains at least one alkyl acrylate or methacrylate (a) having the general formula (I), in which R1 stands for a hydrogen atom or a methyl group and R2...  
WO/1996/015167A1
In a process for producing modified rubber moulding materials, a first mixture (A) that contains at least one alkyl acrylate or methacrylate (a) having the general formula (I), in which R1 stands for a hydrogen atom or a methyl group and...  
WO/1996/012747A1
The invention pertains to a polyurethane-modified polyacrylate produced (I) by polymerization with the addition of (a1) an essentially carboxyl group-free acrylic acid ester or a mixture of acrylic acid esters, (a2) an ethylenically unsa...  
WO/1996/005261A1
To obtain aqueous paints with which paint films which have excellent paint film properties such as water resistance and resistance to chemical attack, and excellent finished appearance can be obtained, and which have excellent painting o...  
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...  
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 ...  
WO/1995/014063A1
The invention relates to an aqueous dispersion of multi-layered polymer particles, which particles comprise (a) a core obtained by emulsion polymerization of ethylene and a vinyl monomer selected from the group consisting of (1) vinyl ch...  
WO/1995/011265A1
The present invention relates to a process for preparing emulsion polymers having a hollow structure. More specifically, the present invention relates to a process for preparing emulsion polymers which comprises forming a core which is a...  
WO/1995/009874A1
The invention relates to a process for the preparation of a stable microdispersion of particles comprised of acrylic polymers in an organic solvent used as reaction medium in the presents of a stabilizing agent comprised of a block copol...  
WO/1995/006686A1
High impact polystyrene resins are provided having a surprisingly good combination of toughness and gloss characteristics. Such resins contain small (i.e. 0.1 to 0.4 micron) capsule morphology rubber particles in combination with relativ...  
WO/1994/029756A2
A gas permeable (GP) ocular lens composition and method of formation are disclosed wherein 98-70 % by wgt. of a first polymer component, selected for desired characteristics including gas permeability, and 2-30 % by wgt. of a second poly...  
WO/1994/012548A1
A process for producing an aqueous dispersion composition containing a fluorocopolymer by the emulsion polymerization of a polymerizable polyfluoroalkylated compound with another copolymerizable compound noncompatible therewith in an aqu...  
WO/1994/004603A1
This invention relates to polymer particles that are acid-free in the swellable polymer core and to hollow polymer particles derived therefrom, and to a process for the production of these particles. The acid-free core advantageously dec...  
WO/1993/024537A1
Carboxylated styrene-diene block copolymers are produced by high yield radical grafting of 0.2 to 10 parts by mass $g(b)-ethylenically unsaturated monocarboxylic and/or dicarboxylic acids or their anhydrides (carboxylic monomers), if req...  
WO/1993/021274A1
The present invention relates to a multilayer core-shell polymer composition. The composition in free flowing particulate form may be used as a toughener for thermoset material. The toughener comprises at least three layers: a plastic co...  
WO/1993/020164A1
Crosslinked networks of (meth)acrylate (co)polymers, and a method of making the networks, are provided in which a photoiniferter-derived homopolymer, random copolymer or block copolymer is dissolved in a compatible monomer mixture along ...  
WO/1993/017652A1
Spherical particles (A) as dental plate material comprising a graft copolymer (A-1) of a cross-linked rubbery (co)polymer with a rigid resin component and a methyl methacrylate (co)polymer (A-2). The particles (A) are compounded with a m...  
WO/1993/017055A1
Polymer particles having a hydrophobic core and various surface functional groups, particularly hydrophilic and chiral surface functional groups, are produced by adding a non-emulsified functional polymerizable monomer to the aqueous pha...  
WO/1993/016119A1
Graft copolymer particles which are produced by grafting one or more vinylic monomers onto a composite rubber composed of a polyorganosiloxane component and an alkyl (meth)acrylate rubber component and in which the number-average particl...  
WO/1992/007304A1
A process for producing small toner particle containing polyolefin wax uniformly dispersed therein and having a narrow particle size distribution in a simplified manner at a high yield, which process comprises dissolving or dispersing a ...  
WO/1992/001004A1
A method for preparing emulsified adhesives wherein monomers are copolymerized in the presence of an initiator. A mixture of monomers is continuously copolymerized and its composition is varied over time to generate copolymer particles w...  
WO/1991/014741A1
A white plastic pigment utilized in paper, paint, fiber and so forth, and particularly one comprising silica particles as the core and having a surface coated with a vinylic resin. It can be produced by dispersing silica particles in wat...  
WO/1991/012283A1
A process for producing a grafted cross-linked thermoplastic elastomer which contains at least 40 wt % of cyclohexane-insolubles, has an excellent elasticity even with a reduced rubber content, and is excellent also in strengths, coatabi...  
WO/1991/009141A1
This invention provides a novel process of producing magnetically responsive fluorescent polymer particles comprising polymeric core particles coated evenly with a layer of polymer containing magnetically responsive metal oxide. A wide v...  

Matches 301 - 350 out of 1,705