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| Number | Title | Issue Date |
| 5306763 | Process for the preparation of rubber-containing graft copolymer particles Rubber-containing graft copolymer particles excellent in powder properties are prepared by a process comprising mixing, with 100 parts by weight (as solid content) of rubber-containing graft copolymer (A) in a state of slurry, 0.1 to 10 parts by weight of... | 04/26/1994 |
| 5306744 | Functionalized multistage polymers An aqueous, radiation-curable, functionalized latex polymer composition and its preparation are disclosed. The composition is a multistaged latex polymer formed from a first stage polymer and a second stage polymer having , ଲ-unsaturated carb... | 04/26/1994 |
| 5306776 | Multilayered polymer Disclosed are polymer having antistatic properties and having a multilayered structure comprising an innermost layer, a second layer, a third layer and an outermost layer; processes for preparing the multilayered polymer; and an antistatic resin compositi... | 04/26/1994 |
| 5306743 | Multiple phase synthetic resin dispersion Aqueous synthetic resin dispersions comprising latex particles having an average particle diameter below 140 nanometers, consisting of a) 5 to 45 weight percent of a core material having a dynamic glass transition temperature above 60° C. and b) 95 to 55 weig... | 04/26/1994 |
| 5298559 | Multi-layered polymers A multi-layered polymer having (a) a core layer of an aromatic vinyl polymer, (b) an intermediate layer of a butadienic rubbery polymer and (c) an outer layer of an aromatic vinyl glassy polymer, the amount of the components (a), (b) and (c) being 12 to 4... | 03/29/1994 |
| 5298542 | Acrylic ester copolymer plastisol composition An acrylic ester copolymer plastisol composition comprises (A) copolymer particles comprising, as the major components thereof, (a) 98 to 50 weight % of an alkyl acrylate unit having an alkyl group of 1 to 8 carbon atoms and/or an alkyl methacrylate unit ... | 03/29/1994 |
| 5294656 | Rubber modified styrene based resin composition A rubber modified styrene based resin composition which is excellent in the balance of impact strength and shapes appearance such as gloss and especially image clarity, and has a wide applicability in the field of housings for household electric apparatus... | 03/15/1994 |
| 5292829 | Isocyanurate ring-containing crosslinked polyurethane polyurea particulate polymer and process for producing the same A crosslinked polyurethane polyurea spherically particulate polymer having an average particle diameter of 0.1 to 500 μm, wherein the polymer molecule contains an isocyanurate ring in an amount of 10 to 30% by weight is disclosed. A process for producing... | 03/08/1994 |
| 5290857 | Epoxy resin adhesive composition An epoxy resin adhesive composition has excellent adhesive properties such as impact resistance, tensile shear strength and T-peel strength as well as excellent semi-gelling property. An epoxy resin adhesive composition comprising ionic crosslinking in a ... | 03/01/1994 |
| 5288771 | Water-dispersible core-shell resin which exhibits excellent sagging resistance in coatings Disclosed are (1) a water-dispersible resin composition prepared by a process comprising; (I) reacting a silane monomer (A) having hydrolytic functional group and/or silanol group and polymerizable unsaturated bond with a vinyl monomer (B) in an aqueous m... | 02/22/1994 |
| 5281664 | Polymer compositions and methods of making same A novel process of sequentially mixing polymers comprising a. mixing together and melt blending impact modifier and semicrystalline polymer to form a preblend, and b. mixing together and melt blending the preblend with amorphous polymer, and polymer compositions pr... | 01/25/1994 |
| 5280076 | Core-shell polymer and its use The present invention relates to a core-shell polymer which is useful for polyoxymethylene resin, a polyoxymethylene resin composition containing the core-shell polymer and a molded article made of the polyoxymethylene resin. The core-shell polymer is pro... | 01/18/1994 |
| 5280075 | Core-shell polymer and its use The invention provides a core-shell polymer which comprises (a) a core phase having carboxyl groups on surface part of the core and (b) a shell phase which is a glassy polymer containing neither functional groups reactive to the the carboxyl group nor fun... | 01/18/1994 |
| 5278234 | High-nitrile polymer composition, molded article thereof, and process for producing said composition A polymer composition comprising 2-50 parts by weight of a fine particles component dispersed in a matrix described later, of (1) a high-nitrile (co)polymer, wherein the proportion of the nitrile polymeric unit (a) is at least 86% by weight based on the t... | 01/11/1994 |
| 5276256 | Flameproofed chlorine-and bromine-free molding composition A molding composition containing, based on the total weight of the composition: A) at least 40% by weight of at least one halogen-free polycarbonate; B) 5-40% by weight of at least one halogen-free graft copolymer composed of; 1) 40-80% by weight of an elastom... | 01/04/1994 |
| 5276092 | Encapsulated micro-agglomerated core/shell additives in poly(vinyl chloride) blends Core/shell additives, useful in modifying the processing and/or physical properties of poly(vinyl chloride) and other thermoplastic matrix polymers, are prepared separately at small particle sizes by emulsion polymerization, co-agglomerated, further encap... | 01/04/1994 |
| 5273824 | Cored multi-shell emulsion particle A cored multi-shell emulsion particle consisting of a core particle, a void layer existing in the exterior of the core particle and a shell layer, each of which has a diameter of $c;, d and D, respectively, and the ratio of $c;, d and D is in the fo... | 12/28/1993 |
| 5270397 | Material for modifying impact resistance An emulsion polymer having at least three phases, adaptable as an agent for modifying the impact resistance of rigid thermoplastic synthetic resins such as polymethyl methacrylate, and consisting of A) a rigid core phase of a crosslinked homo- or copolymer, B)... | 12/14/1993 |
| 5268430 | Methacrylate-butadiene-styrene graft polymer and its PVC blends having low yellowness, good clarity, and improved impact strength Multi-stage rubber-based MBS resin compositions are provided which include a polymeric substrate stage of a conjugated diolefin-based polymer or copolymer and optional units derived from a cross-linking agent or agents, and at least one polymeric graft st... | 12/07/1993 |
| 5266610 | Toughened cocontinuous resin system The present invention is directed to a composite resin system comprised of thermoplastic and thermoset resins wherein the phase morphology is cocontinuous. To this composite resin system are added particulate toughening agents which improve the toughness.... | 11/30/1993 |
| 5266646 | Multi-stage polymer particles having a hydrophobically-modified, ionically-soluble stage Multi-stage polymer particles comprising at least one hydrophobically-modified, ionically-soluble polymer stage polymerized from a) hydrophobic monomer, b) ethylenically-unsaturated, ionizable monomer, c) non-ionic, ethylenically-unsaturated monomer and o... | 11/30/1993 |
| 5262479 | Plasticizer resisant hot melt pressure sensitive adhesive Improved plasticizer resistant pressure sensitive hot melt adhesive compositions are prepared by incorporating in the adhesive polymer, tackifying resin and oil 5 to 70% by weight of the adhesive of a core shell modifier comprising a crosslinked rubbery c... | 11/16/1993 |
| 5262486 | Modified emulsion polymers, in particular for photopolymerizable recording materials which can be developed in water and aqueous solvents Modified polymers in acid form or in the form of their salts consist of A) a carboxyl-containing copolymer prepared by emulsion polymerization and B) side radicals introduced therein by partial grafting onto the carboxyl groups and of the general formula I ##S... | 11/16/1993 |
| 5258431 | Weather-resistant polyacetal resin compositions exhibiting reduced surface gloss characteristics, and molded articles thereof Moldable weather-resistant polyacetal resin compositions exhibiting low surface gloss characteristics are a melt-blend of (A) 100 parts by weight of a polyacetal base resin, (B) between 0.01 to 5 parts by weight of a weather stabilizer, and (C) a surface ... | 11/02/1993 |
| 5256733 | Thermoplastic polyoxymethylene molding composition of high toughness and its use Thermoplastic molding composition composed of A) 50 to 95% by weight of polyoxymethylene, B) 5 to 50% by weight of a rubber-elastic graft copolymer and optionally customary additives, in which the component B) is composed of a rubber-elastic core based on... | 10/26/1993 |
| 5254631 | Cationically electrodepositable finely divided gelled polymers having a core-sheath structure obtained by emulsion polymerization A cationically electrodepositable finely divided gelled polymer obtained by emulsion-polymerizing, in the presence of a water-soluble or water-dispersible cationic resin, a monomer component (A) comprising (a) a polymerizable unsaturated vinylsilane monomer ha... | 10/19/1993 |
| 5252397 | Modified polyester resin and hot-melt-adhesive conjugate fibers using the same Hot-melt-adhesive conjugate fibers consisting of a fiber-forming component and an adhesive component are provided, with at least one of the fiber-forming component and the adhesive component being a low-melting, modified polyester resin obtained by subjec... | 10/12/1993 |
| 5252667 | Polymer blends including ionomers Poly(vinyl chloride) exhibits a useful combination of acceptable flow for injection molding, improved processability, and acceptable heat distortion resistance and toughness when modified with a multi-stage polymer having as one stage an alkyl (meth)acryl... | 10/12/1993 |
| 5250602 | Polymer emulsion and method for preparing the same Disclosed are a polymer emulsion prepared by neutralizing a seed polymer with an acid or a salt or by quaternizing it with a quaternizing agent and a method of preparing the polymer emulsion. The surfaces of the emulsion grains are very densely cationated... | 10/05/1993 |
| 5247025 | Multistage graft copolymer and its use for the preparation of transparent PVC molding materials Graft copolymers obtained by A) emulsion polymerization of from 5 to 35% by weight of a monomer mixture of a1) 60-80% by weight of one or more vinylaromatic monomers, a2) 20-40% by weight of one or more ethylenically unsaturated nitriles,... | 09/21/1993 |
| 5246981 | Aqueous emulsion An aqueous emulsion comprising a copolymer having a two-layer structure is produced by polymerizing at least one aqueous vinyl monomer component (II) in the presence of a seed emulsion (I) comprising seeds composed of a copolymer containing 10-50% by weig... | 09/21/1993 |
| 5242982 | Core-shell polymer composition containing the polymers and its molded articles This invention relates to a core-shell polymer comprising (a) a core having epoxy groups on the surface and (b) a shell on the core (a) having neither epoxy group nor functional groups that are reactive with epoxy group, compositions of engineering plasti... | 09/07/1993 |
| 5238977 | Graft polymer dispersions Free-flowing, stable dispersions of crosslinked rubbers in the form of discrete particles having an average diameter of 0.1 to 3 μm in organic liquids, containing I) up to 60% by weight (based on the dispersion as a whole) of a crosslinked, rubber-like, ... | 08/24/1993 |
| 5229209 | Preparation of vesiculated core/shell polymeric particles A process for the manufacture of core/shell polymer particles comprises forming a core particle containing acid functionality, a first shell around said core of a copolymer of a nonionic monoethylenically unsaturated aromatic monomer and a copolymerisable... | 07/20/1993 |
| 5225279 | Solvent core encapsulant composition The present invention relates to a sequential polymerization process for preparing a water-insoluble dispersion of core/shell particles. In one embodiment the process may be employed to produce a particulate dispersion useful in making water-based coating... | 07/06/1993 |
| 5223586 | Elastomeric graft copolymers having a core/shell structure Elastomeric particulate copolymers having a core/shell structure composed of a core (a) comprising an organosilicon polymer and an organopolymeric shell (c) or two shells (b) and (c), the inner shell (b) comprising an organosilicon polymer, and the copoly... | 06/29/1993 |
| 5221713 | Co-microagglomeration of emulsion polymers (encapsulated core/shell additives for PVC) Core/shell additives, useful in modifying the processing and/or physical properties of poly(vinyl chloride) and other thermoplastic matrix polymers, are prepared separately at small particle sizes by emulsion polymerization, co-agglomerated, further encap... | 06/22/1993 |
| 5219931 | Thermoplastically processable solvent-resistant polymer mixtures Thermoplastically processable polymer mixtures with high solvent resistance. The polymer mixtures are made up of A) 2-98 wt. % of a polymer that is composed of at least 80 wt. % of monomer units of CH2 .dbd.CF2, and B) 98-2 wt. % of a pol... | 06/15/1993 |
| 5219907 | Flameproofed molding composition A flame retardant molding composition contains a halogen-free polycarbonate at least one halogen-free graft copolymer assembled from copolymerized units of an elastomer and certain ethylenically unsaturated monomers which include 1-50% by weight of an org... | 06/15/1993 |
| 5216044 | Synthetic core-shell particle resin emulsion, process for producing and coating compositions comprising same A synthetic resin emulsion whose polymer particles are solid core-shell particles in which form pores spontaneously upon drying is produced by the steps of preparing as core particles from 2 to 60 parts by weight of polymer (A) by emulsion polymerization ... | 06/01/1993 |
