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| Number | Title | Issue Date |
| 7354970 | Polyvinyl chloride copolymer paste resin, composition thereof, and method for making the resin A novel polyvinyl chloride copolymer paste resin comprising a copolymer of a vinyl chloride monomer and a macromonomer of the present invention can be synthesized with high productivity, and can provides a plastisol having high gelation properties, storage stability... | 04/08/2008 |
| 7339004 | PVC graft copolymer methods and compositions Methods are described for preparing graft copolymers from poly(vinyl chloride) or vinyl chloride copolymers comprising reacting these materials with sources of selected metal-centered free radicals in the presence of one or more monomers that can undergo free-radica... | 03/04/2008 |
| 7291394 | Composite material containing a core-covering particle The invention relates to composite materials having an optical effect, comprising at least one moulding which essentially consists of core/shell particles whose shell forms a matrix and whose core is essentially solid and has an essentially monodisperse size distrib... | 11/06/2007 |
| 7157526 | Aqueous primary dispersion, substantially or completely devoid of volatile organic substances, method for the production thereof and use of the same Aqueous primary dispersion, substantially or entirely free of volatile organic compounds, and comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core/shell particles with a particle diameter≦500 nm, preparable by f... | 01/02/2007 |
| 7034074 | Aqueous primary dispersions and coating agents, methods for producing them and their use Aqueous primary dispersions and coating materials comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core-shell particles having a diameter≦500 nm, preparable by free-radical microemulsion or miniemulsion polymeriz... | 04/25/2006 |
| 6998432 | Adhesive composition for skin and adhesive tape or sheet for skin comprising the composition The present invention provides an adhesive tape or sheet for application to skin, which is made of an adhesive composition containing an acrylic copolymer having a specific composition and a specific carboxylic acid ester, wherein the acrylic copolymer has a gel fra... | 02/14/2006 |
| 6946512 | Molding materials and method for producing molded parts Use of a copolymer (A) preparable by free-radical polymerization of a) at least one olefinically unsaturated monomer and b) at least one olefinically unsaturated monomer different than the olefinically unsaturated monomer (a) and of the gen... | 09/20/2005 |
| 6831133 | Addition of unsaturated hydrocarbons to poly(vinyl chloride) and functionalization thereof The preparation of allylated poly(vinyl chloride) by utilizing an allyltrialkylsilane in the presence of Friedel-Crafts acids is disclosed. The pendant allyl groups can be further reacted through various functionalization reactions to contain end groups such as epox... | 12/14/2004 |
| 6797784 | Thermoplastic resins with a low proportion of coarse particles The invention relates to homopolymers and/or copolymers containing | 09/28/2004 |
| 6605672 | Impact modifiers for thermoplastic resins There is provided an excellent impact modifier for a vinyl chloride resin. There is used, as an excellent impact modifier, a copolymer which is prepared by polymerizing 10 to 70% by weight of a monomer or monomers containing 60 to 100% by weight of at lea... | 08/12/2003 |
| 6476128 | Low-gloss blends containing poly(meth)acrylate rubber-based graft copolymer and process for making thereof A process for controlling the surface gloss of a molded composition of: (a) a polyvinyl chloride resin and (b) a graft copolymer comprising a discontinuous poly(alkyl(meth)acrylate) rubber phase and a rigid thermoplastic phase, wherein at least a portion ... | 11/05/2002 |
| 6437044 | Living radical graft copolymerization of vinyl monomers initiated from the structural defects of polyvinylchloride A graft copolymer composition and the preparation of the composition by living radical polymerization is disclosed. The polymerization reaction can be initiated at active chlorine sites on the poly(vinyl chloride) backbone in conjunction with a transition... | 08/20/2002 |
| 6384147 | Poly(vinyl chloride)-g-poly(-methylstyrene) having a single glass transition temperature A grafted poly(vinyl chloride) having at least one pendant chain which comprises poly(-methylstyrene). The graft copolymer has only a single glass transition temperature of from about 100° C. to about 130° C. The poly(vinyl chloride)-g-poly( ... | 05/07/2002 |
| 6306961 | Thermoplastic resin composition having impact resistance A thermoplastic resin composition comprises a thermoplastic resin (A) and graft copolymer particles (B) having a hollow rubber portion and graft chain, in which a volumetric proportion of hollow part in the hollow rubber portion of the graft copolymer par... | 10/23/2001 |
| 6020438 | Supported vinyl chloride emulsion (co) polymers and process for making the same An emulsion polymer comprising as one of its components a graft copolymer of a residual aromatic monomer-free support resin polymer and a vinyl chloride (co)polymer is disclosed. The emulsion polymer is prepared using a two-stage process. In the first sta... | 02/01/2000 |
| 5925703 | Impact modification of filled thermoplastics Filled compositions having good low temperature impact performance made from a thermoplastic (e.g., a polyolefin such as polypropylene) and either at least one linear ethylene/C5 -C20 -olefin or at least one substantially line... | 07/20/1999 |
| 5872155 | Latex based on vinyl chloride copolymers with a specific structure, process for the manufacture thereof and applications thereof The present invention relates to vinyl chloride copolymers, in the latex form, the particles of which are composed of a core, of an outer layer and optionally of an intermediate layer. It also relates to the process for the manufacture of this latex by se... | 02/16/1999 |
| 5674944 | Batch inclusion packages Batch inclusion packages made from films and film structures are disclosed. The films and film structures have at least one layer of at least one substantially linear ethylene/-olefin polymer. The batch inclusion packages are useful in wrapping or ... | 10/07/1997 |
| 5622783 | Pressure-sensitive adhesive and a pressure-sensitive comprising construction containing a layer of the adhesive A pressure-sensitive adhesive composition comprising an ethylene-vinyl chloride polymer containing at least 40% by weight of the polymer of vinyl-acetate to serve as a permanent pressure-sensitive adhesive for bonding front materials to plasticizer vinyl ... | 04/22/1997 |
| 5605972 | Graft and core-shell copolymers having improved phase bonding between graft substrate and grafted-on polymer phase Graft and core-shell copolymers are provided which are useful as binders and are prepared from a peroxy-containing copolymer phase a) wherein the copolymer phase contains 0.01 to 20% by weight of residues of an olefinically di-unsaturated peroxy compound ... | 02/25/1997 |
| 5576374 | Impact modification of filled thermoplastics Filled compositions having good low temperature impact performance made from a thermoplastic (e.g., a polyolefin such as polypropylene) and either at least one linear ethylene/C5 -C20 -olefin or at least one substantially line... | 11/19/1996 |
| 5571869 | Flame initiated graft polymerization 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 particle to produce fr... | 11/05/1996 |
| 5567775 | Craft curing of modified isomonoolefin/para-alkylstyrene copolymers This invention provides for curable and graft-cured polymer compositions prepared from a mixture comprising: a) an elastomeric copolymer containing from about 0.01 up to about 10 mole % of Y ester groups randomly distributed along and pendant to the elast... | 10/22/1996 |
| 5552481 | Vinyl chloride polymer/polyolefin polyblends having improved rheological properties Polyblend molding compositions, well adopted for the production of flame-resistant and adhesively integral composite shaped articles, are formulated from particulates of (a) at least one vinyl chloride polymer, (b) at least one polyolefin, and (c) at leas... | 09/03/1996 |
| 5536786 | Adhesive beads Adhesive beads comprise a core comprising a pressure sensitive adhesive material and an essentially discontinuous organic polymer disposed about the core. The beads are free-flowing at room temperature. Upon application of heat and/or pressure the core is... | 07/16/1996 |
| 5494971 | Encapsulated hydrophilic polymers and their preparation A multistaged polymer containing a hydrophilic core fully encapsulated with a hydrophobic shell without a tiecoat layer is disclosed. A method is also disclosed for encapsulating hydrophilic polymers including the steps of: (1) emulsion polymerizing a hydrophi... | 02/27/1996 |
| 5409776 | Multi-shell emulsion particle A multi-shell emulsion particle of dry state structure having one or more of penetrating pore(s) connecting the surface layer of the particle with the interior of the particle and having a particle diameter of from 0.1 to 5.0μ preferably from 0.1 to 1.2Î... | 04/25/1995 |
| 5401805 | Olefin graft copolymers prepared using borane-containing olefin backbone polymers Graft copolymers are disclosed which comprise an olefin borane-containing homopolymer or copolymer backbone polymer having radically polymerized polymeric segments chemically bonded as side chains or as a chain end. A borane-containing diene homopolymer o... | 03/28/1995 |
| 5399621 | Process for the preparation of a graft copolymer latex of core/shell dispersion particles having improved phase binding between core and shell The invention relates to the preparation of a graft copolymer latex of core/shell dispersion particles having improved phase binding between core and shell in a two-stage emulsion polymerization process, hydroperoxide groups being produced at the particle... | 03/21/1995 |
| 5374364 | Multifunction viscosity index improvers Multifunctional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer with pendant thiazoline units.... | 12/20/1994 |
| 5374685 | Syndiotactic propylene copolymer, method for preparing same, and its use A syndiotactic graft copolymer is here disclosed in which a radical polymerizable unsaturated compound is grafted on a propylene homopolymer or copolymer, and this graft copolymer is obtained by heating a homopolymer having a substantially syndiotactic st... | 12/20/1994 |
| 5373059 | Syndiotactic propylene copolymer, method for preparing same, and its use A syndiotactic graft copolymer is here disclosed in which a radical polymerizable unsaturated compound is grafted on a propylene homopolymer or copolymer, and this graft copolymer is obtained by heating a homopolymer having a substantially syndiotactic st... | 12/13/1994 |
| 5369183 | Composite and molding from the composite A composite for moldings having the high bending elastic modulus and the high bending strength, comprising a thermoplastic resin and a polymerizable monomer which is a multifunctional polymerizable monomer having an alicyclic strucure unit or a mixture co... | 11/29/1994 |
| 5334664 | Method for producing graft-modified copolymers A method for producing a graft-modified copolymer comprising the step of subjecting 100 parts by weight of an unsaturated copolymer comprising an -olefin of 3 to 12 carbon atoms and a cyclic olefin represented by the following formula (I), and 0.1 ... | 08/02/1994 |
| 5326824 | Syndiotactic propylene copolymer, method for preparing same, and its use A syndiotactic graft copolymer is here disclosed in which a radical polymerizable unsaturated compound is grafted on a propylene homopolymer or copolymer, and this graft copolymer is obtained by heating a homopolymer having a substantially syndiotactic st... | 07/05/1994 |
| 5314977 | Graft copolymers prepared by two staged aqueous emulsion polymerization This invention relates to a two stage aqueous emulsion polymerization process for making graft copolymers. In the first stage, at least one first ethylenically unsaturated monomer is polymerized in the presence of at least one mercapto-olefin compound to ... | 05/24/1994 |
| 5314966 | Process for the preparation of a finely divided vinyl chloride graft copolymer and its use as viscosity-reducing agent and flatting agent The present invention is directed to a process for the preparation of a finely divided vinyl chloride graft copolymer and to the use of this product as a viscosity-reducing agent for plastisols.... | 05/24/1994 |
| 5314958 | Process for preparing graft copolymers Process for preparing a graft copolymer having a high graft copolymer fraction which comprises subjecting a monomer to a polymerization initiation condition resulting from the reaction of a halogen-containing polymer with a combination of a reducing agent... | 05/24/1994 |
| 5310805 | Polyvinyl chloride resin composition for powder molding Disclosed is a polyvinyl chloride resin powder composition for rotational molding, which is prepared by dry-blending a plasticizer and a stabilizer with a polyvinyl chloride resin followed by incorporating from 0.1 to 5 parts by weight, to 100 parts by we... | 05/10/1994 |
| 5310816 | Oxidation of halogenated polymers and anticaking halogenated polymers An oxidized halogenated polymer is prepared by a process comprising (a) forming an admixture of an acidic oxidizing agent and a suspension of a particulate halogenated polymer in a polar liquid; (b) heating the admixture to a temperature sufficient to ini... | 05/10/1994 |
