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| Number | Title | Issue Date |
| 7361727 | Copolymerization of 1,4-dioxan-2-one and a cyclic ester monomer producing thermal stabilized 1,4-dioxan-2-one (co)polymers A polymerization process to derive a thermal-stabilized poly(1,4-dioxan-2-one) and cyclic ester monomer copolymer using a coordination-insertion catalyst/initiator. 1,4-dioxan-2-one and cyclic ester monomer, each containing less than 100-ppm water and having an acid... | 04/22/2008 |
| 7250472 | Acrylic compositions Acrylic compositions which can be processed into thermoformable acrylic sheet material with variegated non-homogeneous granite appearance are disclosed. The acrylic compositions comprise a matrix of polymethyl methacrylate having dispersed within it particles of a t... | 07/31/2007 |
| 6765058 | Scorch extending curing/crosslinking compositions A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such scorching by... | 07/20/2004 |
| 6759481 | Shape memory styrene copolymer A shape memory polymer which is a reaction product of styrene, a vinyl compound, a multifunctional crosslinking agent and an initiator. The shape memory polymer has particular application as a contact lens mold. ... | 07/06/2004 |
| 6617397 | Hyperbranched amphiphilic polymeric additives and polymer compositions with increased surface energy The surface energy of polymeric substrates is increased by the application or incorporation of novel amphiphilic block copolymers. The block copolymer additives comprise a linear hydrophilic polymer or oligomer and a random hyperbranched polymer or oligom... | 09/09/2003 |
| 6444758 | Hyperbranched amphiphilic polymeric additives and polymer compositions with increased surface energy The surface energy of polymeric substrates is increased by the application or incorporation of novel amphiphilic block copolymers. The block copolymer additives comprise a linear hydrophilic polymer or oligomer and a random hyperbranched polymer or oligom... | 09/03/2002 |
| 6075094 | Methyl methacrylic resin composition, molded article comprising the same and production of the molded article A methyl methacrylic resin composition comprising: (A) 30 to 60% by weight of an unsaturated monomer mixture comprising an unsaturated monomer having at least two double bonds which can effect radical polymerization, (B) 40 to 70% by weight of resin particles ... | 06/13/2000 |
| 5773519 | Process for producing modified cross-linked polymer particles A process for producing modified cross-linked polymer particles which comprises polymerizing 0.01 to 900 parts by weight of (B) a monomer component containing 50% by weight or more of at least one member selected from the group consisting of aromatic mono... | 06/30/1998 |
| 5767200 | Optical resin materials with distributed refractive index An optical resin, of which the refractive index continuously changes in a specific direction, is produced by filling a polymerization container with a mixed solution containing at least one type of polymerizable monomer or polymerizable monomer sol and at... | 06/16/1998 |
| 5763514 | Process for producting optical resin materials with distributed refractive index An optical resin, of which the refractive index continuously changes in a specific direction, is produced by filling a polymerization container with a mixed solution containing at least one type of polymerizable monomer or polymerizable monomer sol and at... | 06/09/1998 |
| 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 |
| 5614593 | Preparation of matte vinyl chloride polymer and composition thereof In preparing a matte vinyl chloride polymer by suspension polymerizing a monomeric charge comprising monomeric vinyl chloride in an aqueous medium, polymerization is started in the presence of 0.05-0.25 part by weight of diallyl phthalate per 100 parts by... | 03/25/1997 |
| 5578682 | Bimodalization of polymer molecular weight distribution 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 when subjected to hi... | 11/26/1996 |
| 5541247 | Optical resin materials with distributed refractive index, process for producing the materials, and optical conductors using the materials An optical resin, of which the refractive index continuously changes in a specific direction, is produced by filling a polymerization container with a mixed solution containing at least one type of polymerizable monomer or polymerizable monomer sol and at... | 07/30/1996 |
| 5432230 | Polypropylene-graft-unsaturated polyester compositions and process for the production thereof A propylene-graft-unsaturated polyester is disclosed comprising the reaction product of a polypropylene, an unsaturated polyester and a free radical initiator. The polypropylene-graft-unsaturated polyester is generally prepared by reacting at elevated tem... | 07/11/1995 |
| 5401427 | Viscosity index improver Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous an... | 03/28/1995 |
| 5393817 | Molding materials based on polymethyl methacrylate and having improved notched impact strength Molding materials based on polymethyl methacrylate comprising essentially A) from 99.99 to 95.0% by weight of a mixture comprising essentially a1) from 5 to 95% by weight of polymethyl methacrylate, obtainable by polymerizing a mixture comprising essenti... | 02/28/1995 |
| 5376716 | Radiation resistant polypropylene resins A radiation resistant resin suitable for the manufacture of, for example, disposable medical supplies comprises a semicrystalline polypropylene or propylene-ethylene and from 1500 to 5000 ppm triallyl trimellitate. The resin exhibits substantially no incr... | 12/27/1994 |
| 5302661 | Continuous products made of thermosettable monomers A composition which contains thermosettable monomers from which continuous products can be made without using continuous carrier material, the composition containing bismaleimide monomers and a thermoplastic polymer having a high molecular weight. Product... | 04/12/1994 |
| 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 |
| 5254667 | Macromers for preparation of graft polymer polyol dispersions New macromers useful for the preparation of white, stable, high solids, low viscosity vinyl graft polymer polyol dispersions and processes for the manufacture of the macromers are disclosed.... | 10/19/1993 |
| 5252666 | Particulate graft polymer with improved adhesion between grafting base and graft sheath A particulate graft polymer comprises from 30 to 90% by weight, of at least one elastomeric polymer A having a median particle size of from 30 to 1000 nm comprising--based on A--from 85 to 99.8% by weight of at least one alkyl acrylate A1 having from 1 to... | 10/12/1993 |
| 5187227 | Polycarbonate resin composition A polycarbonate resin composition comprising (A) 100 parts by weight of a polycarbonate resin, and (B) 1 to 80 parts by weight of an acrylic ester graft copolymer. The acrylic ester graft copolymer is produced by grafting on 100 parts by weight of an acry... | 02/16/1993 |
| 5143947 | Radiation curable composition based on 4-hydroxystyrene copolymers Radiation curable compositions useful as coatings for wood, metal, glass, fabric, paper, fiber and plastics are made from copolymers of 4-hydroxystyrene and an alkadiene or an allyl ester of an ethylenically unsaturated acid blended wit ethylenically unsa... | 09/01/1992 |
| 5047471 | Toughened polyoxymethylene and shaped articles produced therefrom The invention relates to a mixture composed of polyoxymethylene (component A), a rubber-elastic graft copolymer in which the particles have been formed from a rubber-elastic, single-phase core based on polydiene and a hard graft shell (component B) and a ... | 09/10/1991 |
| 4945133 | 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... | 07/31/1990 |
| 4904738 | Film of allyloxy compound with metal drier compositions Metal drier moderated to provide compostions of extended pot life by at least one molybdenum compound. Coating compositions of free radical polymerizable compounds and moderated metal drier exhibit lower propensity to yellowing when they are cured.... | 02/27/1990 |
| 4900791 | Compatible polyblends The invention relates to compatible polymer blend comprised of two disparate polymers, namely: (A) 1-99 wt. % of a first polymer comprised of monomer units of formula (I): ##STR1## wherein R1 is hydrogen or methyl, and R2 is et... | 02/13/1990 |
| 4876313 | Grafted core-shell polymer compositions using polyfunctional compounds Improved core-shell polymers having an alkali-insoluble core and an alkali-soluble shell are prepared by emulsion polymerization of the core-shell polymers utilizing compounds which chemically graft the core and shell together. The core-shell polymers exh... | 10/24/1989 |
| 4826891 | Radiation curable copolymers of p-acetoxystyrene with allyl esters of ethylenically unsaturated acids or alkadienes Radiation curable compositions useful as coatings for wood, metal, glass, fabric paper, fiber and plastics are made from copolymers of p-acetoxystyrene and another monomer which is an alkadiene or an allyl ester of a polymerizable ethylenically unsaturate... | 05/02/1989 |
| 4826923 | Allyloxy activated surface coatings Metal drier moderated to provide compositions of extended pot life by at least one compound of niobium, zirconium, titanium, tungsten, boron, silicon, phosphorus or aluminum. Coating compositions of free radical polymerizable compounds and moderated metal... | 05/02/1989 |
| 4826890 | Radiation curable copolymers of p-acetoxystyrene and dialkyl muconates Radiation curable compositions useful as coatings for wood, metal, glass, fabric, paper, fiber and plastics are made from copolymers of dialkyl muconates and p-acetoxystyrene blended with ethylenically unsaturated compounds.... | 05/02/1989 |
| 4810757 | Allyloxy activated surface coatings Metal drier moderated to provide compositions of extended pot life by at least one molybdenum compound. Coating compositions of free radical polymerizable compounds and moderated metal drier exhibit lower propensity to yellowing.... | 03/07/1989 |
| 4699950 | Block copolymer based on polymer having thiol end group and linked by divalent sulfur The present invention relates to a polymer having a thiol group at one end of the molecule, which is obtained by subjecting the monomers capable of radical polymerization to radical polymerization in the presence of a thiolcarboxylic acid and then treatin... | 10/13/1987 |
| 4670308 | Surface coating process A process for coating a substrate with a film comprising an ,ଲ-ethylenically unsaturated compound, a ଲ,γ-unsaturated ether activator compound, an effective amount of a free radical polymerization initiator, and, optionally, a catalytic... | 06/02/1987 |
| 4638019 | Method for radical cross-linking of organic polymers A method for radical cross-linking or organic polymers, is disclosed which uses a cross-linking enhancer of the following formula ##STR1## wherein R is alkenyl or alkynyl; R1 is alkylene, alkenylene, alkynylene or --(R2 --O)m | 01/20/1987 |
| 4613652 | Curable resin compositions A curable resin composition which comprises (1) a copolymer composed of an aminoalkyl acrylate and/or aminoalkyl methacrylate and an ethylenically unsaturated monomer being formulated with (2) a compound having at least two acryloyl groups in the molecule... | 09/23/1986 |
| 4595728 | Impact-resistant methacrylic resin composition Disclosed is an impact-resistant methacrylic resin composition which comprises a graft copolymer [II] obtained by polymerizing 10 to 900 wt. parts of a monomer or monomeric mixture (B) comprising 80 to 100 wt. % methyl methacrylate and 20 to 0 wt. % of at... | 06/17/1986 |
| 4594376 | Propylene polymer composition A propylene polymer composition containing (i) 100 parts by weight of a polypropylene and/or a propylene-ethylene copolymer and (ii) 0.05 to 2 parts by weight of triallyl(iso)cyanurate and/or diallyl(iso)phthalate, or (i) 100 parts by weight of a polyprop... | 06/10/1986 |
| 4590101 | Surface coating process A process for coating a substrate with a film of cured polymer in which a mixture of a poly (, ଲ-ethylenically unsaturated) oligomer, a polyallyloxy activator compound containing an effective amount of a free radical polymerization initiator ... | 05/20/1986 |
