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WO/1999/061496A1 |
Latex copolymer compositions copolymerized from alkenes, e.g., ethylene, are disclosed. Typical copolymer compositions comprise ethylene, vinyl acetate and optionally other monomers, such as, for example, higher branched vinyl esters, e....
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WO/1999/057167A1 |
The invention concerns a grafted copolymer comprising a skeleton consisting of a polymer whereof the Tg is not higher than +10° and whereon are branched macromonomers with Tg not more higher than +10°, characterised in that the polymer...
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WO/1999/054391A1 |
Process for the preparation of expandable polymer particles containing a polymer of a vinylarene monomer and a foaming agent, which process comprises: 1) polymerising, by suspension polymerisation, 100 parts by weight of a vinylarene mon...
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WO/1999/052957A1 |
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...
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WO/1999/050348A1 |
The inventive molding material contains components A to C and optionally D; a: 20 to 94 wt. % of a hard component comprised of one or more copolymers of styrene and/or $g(a)-methyl styrene with acrylonitrile, whereby the proportion of ac...
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WO/1999/048956A1 |
The invention relates to a method for producing styrene polymers containing water as only inflating agent by polymerising styrene in an aqueous suspension. Polymerisation is carried out in the presence of between 5 and 30 weight % recycl...
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WO/1999/047583A1 |
The invention relates to a method for producing derivatized carbon monoxide copolymers. According to this method, functionalised, linear, strictly alternating carbon monoxide copolymers consisting of carbon monoxide, at least one 1-alken...
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WO/1999/033914A2 |
The invention provides a weatherable low gloss styrene copolymer composition which requires the addition of from 0.1 to 20 % by weight of the total composition, of a partially crystalline polymer such as a polyalkylterephthalate, especia...
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WO/1999/019375A1 |
The invention provides a method for the preparation of a particulate polymer having a mode particle size of at least 200 $g(m)m, the improvement comprising the use of substantially monodisperse polymeric particles as polymerization seeds...
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WO/1999/016817A1 |
The invention relates to a method for producing graphite particles containing expandable styrene polymers by means of polymerization of styrene in aqueous suspension in the presence of graphite particles and polymerization of two peroxid...
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WO/1999/015935A1 |
A resist composition is prepared by reacting an alkali-soluble polymer having phenolic hydroxyl or carboxyl groups with a vinyl ether compound in an aprotic solvent, such as propylene glycol monomethyl ether acetate, in the presence of a...
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WO/1999/015592A1 |
The invention relates to reactive polysols with a reactive monomer portion which is polymerized during thermal coating. The polysols exhibit good mechanical properties. A monofunctional (meth)acrylate monomer of formula (I) is used as re...
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WO/1999/012986A1 |
A polymer composition, a process for its preparation and a moulded article formed from the polymer composition are claimed. The polymer composition comprises (a) a base polymer which is a poly(alkyl(meth)acrylate); and (b) a rubber tough...
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WO/1999/011681A1 |
The invention concerns hydrophobic films for coating surfaces obtained by drying at low temperature, not requiring coalescent agents, latex containing a core-structured polymer with soft characteristic having a glass transition temperatu...
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WO/1999/010393A1 |
The invention includes a process comprising steps of (1) forming an admixture of (a) a vinyl aromatic polymer and (b) a coupling amount of at least one poly(sulfonyl azide); (2) introducing the vinyl aromatic polymer or admixture into a ...
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WO/1998/055522A1 |
The invention is related to a method for the preparation of copolymers by latex copolymerization for antistatic polymeric coatings, comprising a process for the manufacture of antistatic copolymer latexes based on vinyl aromatic compound...
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WO/1998/054256A1 |
A novel single package aqueous polymeric formulation containing a polymeric ingredient having a latex seed core and both carboxylic acid functional pendant moieties and a monomer having pendant moieties having the ability to form stable ...
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WO/1998/054229A1 |
The invention concerns the use of ylides of phosphorus of general formula (I') in which R'�1?, R'�2?, R'�3?, R'�4?, R'�5? represent different variable groups, as a slightly nucleophilic base. The invention also concerns novel y...
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WO/1998/047961A1 |
A thermoplastic resin composition comprising (A) a thermoplastic resin and (B) graft copolymer particles each having a hollow rubber moiety (in which the volume of the cavity is 1 to 70 %) and a graft chain in an A-to-B weight ratio in t...
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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...
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WO/1998/034970A1 |
The invention relates to a thermoplastic elastomer composition comprising a branched olefin copolymer derived from olfinically unsaturated monomers capable of insertion polymerization having A) a T�g? as measured by DSC less than or eq...
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WO/1998/034971A1 |
A polyolefin product is provided which comprises a branched olefin copolymer having an isotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin co...
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WO/1998/034985A1 |
The invention is a polyethylene composition having a polydispersity index of less than or equal to 3, an average branching index (g') as measured by GPC/Vis$m(G)0.9, and a melt strength (MS) (centipoise, 190 �C) that satisfies the rela...
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WO/1998/034965A1 |
Polymeric compositions of matter are described comprising olefin polymer chains having M�n? of about 400 to 75,000, a ratio of vinyl groups to total olefin groups according to formula (1), where a = -0.24 and b = 0.8, and where the tot...
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WO/1998/034986A1 |
The invention is directed to essentially saturated hydrocarbon polymer composition comprising essentially saturated hydrocarbon polymers having A) a backbone chain; B) a plurality of essentially hydrocarbyl sidechains connected to A), sa...
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WO/1998/033823A1 |
Oily hyperbranched polymers derived from ethylene, propylene, butene and/or a C�5?-C�24? $g(a)-olefin, and a method for their synthesis, are disclosed. The polymers have non-regular microstructures and are characterized by a ratio (R...
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WO/1998/026001A1 |
A crosslinkable elastomer composition that includes a silane grafted ethylene alpha-olefin interpolymer elastomer with a hardness (Shore A) $m(F)85 and, optionally, a crystalline olefin polymer. Exposure to moisture converts the crosslin...
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WO/1998/020064A1 |
The invention concerns a continuous process for preparing expandible styrene polymers by polymerizing styrene in the presence of expanding agents in three stages: a) preparing a solution of polystyrene in styrene; b) dispersing the solut...
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WO/1998/018839A1 |
A waterbased dispersion useful for forming aqueous coating composition containing dispersed pigment, an aqueous carrier and a branched polymer dispersant (binder); the branched polymer has a weight average molecular weight of about 5,000...
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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 ...
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WO/1998/011159A1 |
The present invention relates to novel methods and compositions related to polymer concrete comprising conventional resins with novel additives to prevent shrinking and cracking of the resin, to accelerate curing and to treat fillers. Th...
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WO/1997/047668A1 |
The invention relates to particle-shaped graft copolymers (A) comprising (a1) 15 to 70 wt. %, in relation to (A), of a graft base with a glass transition temperature of lower than 10 �C, based on (a11) 2.5 to 97.4 wt. %, in relation to...
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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...
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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...
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WO/1997/027232A1 |
The invention concerns polymers (I) which are suitable as dispersing resins and are obtained by reacting: A. a polymer (II), obtained by reacting at least one compound (III) selected from the group comprising: a) an ester (IV) comprising...
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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...
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WO/1997/018247A1 |
Improved processes have been developed for atom (or group) transfer radical polymerization (ATRP). In one improvement, the ATRP process involves polymerizing in the presence of a (partially) free radical-deactivating amount of the corres...
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WO/1997/015604A1 |
Finely particulate composite latices free of non-polymeric surfactants and solvents may be prepared by the radical polymerisation of mixtures of hydrophobic monomers, e.g., styrene and an acrylic ester in emulsion in a solution of a low ...
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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/1997/001589A1 |
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/1997/001588A1 |
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...
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WO/1996/040823A1 |
The present invention relates to compressable polymeric foam materials useful as insulation. These polymeric foams are prepared by polymerization of certain water-in-oil emulsions having a relatively high ratio of water phase to oil phas...
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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/1996/019510A1 |
A curable composition comprising (A) a modified copolymer which is a partial ester of a styrene-carboxylic anhydride copolymer, a hydroxyalkyl (meth)acrylate and, if required, a monovalent alcohol; (B) at least one diluent for the modifi...
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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/1996/016096A1 |
Copolymers comprising poly('alpha'-olefin) having at least few p-alkylstyrene (para-alkylstyrene) groups or/and p-alkylstyrene derivatives within the structure therein, said polymer having monomer units represented by structural formula ...
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WO/1996/013533A1 |
Seeded cation-exchange resin beads are particularly susceptible to oxidative degradation which results in the leaching of organic carbon fragments. The leachability of organic carbon fragments of molecular weights greater than 1000 g/mol...
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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/1996/011959A1 |
A grafted copolymer of an isomonoolefin and a para-alkylstyrene, e.g., isobutylene and para-methylstyrene, grafted with an unsaturated organic compound, such as a maleic anhydride, the grafted copolymer of less than 24,000 number average...
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WO/1996/007694A1 |
The object of the invention are expandable styrene polymers containing polystyrene recyclate with a recyclate content of 50 to 1000 wt.% in relation to the total weight of the polystyrene, to which alkyl di(2-hydroxy ethyl) amines are ad...
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