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| Number | Title | Issue Date |
| 7282538 | Preparation method of functional master batch of polyolefin and its application The present invention belongs to the field of polymerization and processing of polymer and relates to the preparation of a kind of functional polyolefin master batch. The functional master batch is produced by liquid phase, melt phase, or solid phase reaction after ... | 10/16/2007 |
| 7115685 | Fluoropolymer-carbon dioxide compositions and methods of processing fluoropolymers Fluoropolymer materials containing tetrafluoroethylene monomers, such as PTFE, are significantly swollen by supercritical carbon dioxide at high temperatures and pressures. The swollen fluoropolymer is processable by molding, extrusion, and other techniques. In addi... | 10/03/2006 |
| 7091265 | Molding material for use with carbon dioxide A molding material for use with carbon dioxde, which comprises chlorinated polyethylene having a chlorine content of 25–47% by weight or a blend of chlorinated polyethylene with vinyl chloride-based resin, can be used as a suitable material for sealing materials i... | 08/15/2006 |
| 6887925 | Molding material for use with carbon dioxide refrigerant A molding material for use with carbon dioxide, which comprises chlorinated polyethylene having a chlorine content of 25-47% by weight or a blend of chlorinated polyethylene with vinyl chloride-based resin, can be used as a suitable material for sealing materials in... | 05/03/2005 |
| 6730726 | Process for the preparation of an aqueous dispersion of halogenated vinyl polymers involving a basic after-treatment The invention relates to a process for the preparation of an aqueous dispersion of halogenated vinyl polymers by polymerization, according to which, after polymerization, a basic agent is added in an amount such that the pH of the aqueous dispersion is less than app... | 05/04/2004 |
| 6482898 | Halogenated wang resins for combinatorial chemical synthesis The present invention relates to novel halogenated Wang resins for combinational chemical synthesis, more specifically to halogenated Wang resins expressed by formula (1) useful for the effective tracing of combinational chemical synthetic process on soli... | 11/19/2002 |
| 6462133 | Polymerizing alkylene oxide with phospazen (IUM) crosslinked polymer Crosslinked organic polymers such as styrene-divinylbenzene copolymers contain pendant phosphazene or phosphazenium groups. These polymers are excellent alkylene oxide polymerization catalysts.... | 10/08/2002 |
| 6261538 | Series of water-insoluble polymeric quaternary phosphonium salt used for bactericides Disclosed is a series of the water-insoluble polymeric quaternary phosphonium salt-type bactericides, which consists of as active bactericidal components an amino quaternary phosphonium salt, a quaternary ammonium group-containing quaternary phosphonium s... | 07/17/2001 |
| 6130298 | Soil-resistant finish A stainproof treatment agent containing: (A) a fluoroalkyl group-containing copolymer having (I) a repeating unit derived from a monomer having a fluoroalkyl group, (II) a repeating unit derived from a monomer containing no fluorine, (III) a repeating unit derived from ... | 10/10/2000 |
| 5985514 | Imaging member containing heat sensitive thiosulfate polymer and methods of use An imaging member is composed of a hydrophilic imaging layer having a hydrophilic heat-sensitive polymer containing heat-activatable thiosulfate groups, and optionally a photothermal conversion material. Upon application of energy that generates heat, suc... | 11/16/1999 |
| 5986015 | Method of making graft polymers Disclosed is an improved method of making hydrophobic and hydrophilic graft polymers, which method comprises the steps of (a) reacting copolymerizable monomers to form an organic polymeric backbone having a weight average molecular weight of from about 15... | 11/16/1999 |
| 5986038 | Adhesive composition An adhesive composition comprising a fluorinated elastomer having dicyclopropane rings formed by reaction of chloroform with unsaturated bonds introduced into the molecule of fluorinated elastomer by an alkali treatment, as an adhesive component has a goo... | 11/16/1999 |
| 5917074 | Preparation and applications of fluorinated propargyl phosphonate reagents The invention provides new fluorinated γ-tri-substsituted silylpropargyl phosphonates and methods for their use to generate a variety of diverse fluorine-containing compounds. The new fluorinated phosphonate synthons contain a novel juxtaposition of four... | 06/29/1999 |
| 5855976 | Laminate of vulcanizable rubber composition layers, process for producing rubber laminate, and rubber laminate A laminate of vulcanizable rubber composition layers, which comprises (i) a vulcanizable fluororubber composition layer comprising a fluororubber and a metal oxide and (ii) a vulcanizable nitrile rubber composition layer consisting essentially of a nitril... | 01/05/1999 |
| 5616656 | Method for making brominated syndiotactic styrenic polymers The present invention provides a new method for making an improved flame-retardant additive comprising a brominated syndiotactic styrenic polymer. The method includes the steps of providing a source of syndiotactic styrenic polymer; providing a source of ... | 04/01/1997 |
| 5395887 | Process for cross-linking chlorinated (CO)polymers, cross-linkable compositions and shaped objects A method for cross-linking chlorinated (co)polymers involves reacting such (co)polymers at between 50° and 230° C. in the absence of solvent with an organometallic amino-type derivative of tin, lead, antimony or bismuth to provide cross-linked compositi... | 03/07/1995 |
| 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 |
| 5292813 | Fullerene-grafted polymers and processes of making This invention relates to novel compositions of matter, fullerene graft amine-containing polymers, and the process of making them. The graft is made by reacting a fullerene with a primary or secondary amine-containing polymer, preferably a hydrocarbon con... | 03/08/1994 |
| 5266637 | Process for grafting functions onto chlorinated (co)polymers, compositions and shaped objects The present invention relates to functionalized chlorinated (co)polymers and methods for their preparation. The functionalization is performed with an organometallic compound where the metal may be tin, lead, antimony or bismuth. The organic groups are hy... | 11/30/1993 |
| 5149743 | Halogen terminated poly (halostyrenes) and a process for the preparation thereof Novel halostyrene telechelic polymers having from 2 to about 6 terminal halogens, halostyrene-polyether, block copolymers having ABA type structures in star type structures, depending on the number of halogen terminii in the starting halostyrene block, an... | 09/22/1992 |
| 5104649 | Surface-functionalized biocidal polymers Polymers and articles made therefrom having biocidal surfaces are disclosed wherein the biocidal agent is permanently bonded to the polymer surface. The polymers can be employed to inhibit microbial growth in the adjacent area of the polymer and as disinf... | 04/14/1992 |
| 5081183 | Poly(alpha-Ketoester) compound and production thereof The present invention provides a poly(alpha-ketoester) compound represented by the formula (1); ##STR1## wherein G is a residue of an active hydrogen-containing compound G--(X--H)n, or an alkyl, aryl, aralkyl, alkenyl, alkynyl group having... | 01/14/1992 |
| 5073617 | Barrier film and process for making The present invention is directed toward a film comprising a vinylidene chloride interpolymer, wherein the vinylidene chloride interpolymer having polymerized herein vinylidene chloride in an amount of from about 75 to about 95 percent by weight of interp... | 12/17/1991 |
| 4904742 | Binders resistant to fouling and organisms present in an aqueous medium and process for their preparation Binders comprising the association of chlorinated vinyl resins and quaternary ammonium salts are resistant to corrosion, fouling, and organisms in an aqueous medium. The binders are obtained by substituting the chlorines of the polymer with a molecule hav... | 02/27/1990 |
| 4843130 | Antibacterial polymer An antibacterial polymer containing a repeating unit of the formula ##STR1## wherein A, l and n are defined in the specification.... | 06/27/1989 |
| 4826924 | Antibacterial polymer An antibacterial polymer containing a repeating unit of the formula ##STR1## wherein A, l and n are defined in the specification.... | 05/02/1989 |
| 4808669 | Sulfur vulcanization system for saturated elastomers having active halogen-containing cure sites A composition of matter is disclosed comprising a saturated elastomer having an active halogen-containing cure site, sulfur and a quaternary ammonium salt of a mineral acid. The invention also provides a process for vulcanizing the above composition.... | 02/28/1989 |
| 4806584 | Phase transfer compounds as accelerators of soap/sulfur vulcanization A composition of matter is disclosed comprising (1) a saturated elastomer having an active halogen-containing cure site, (2) a soap/sulfur cure system, and (3) a phase transfer compound. The phase transfer catalyst comprises a quaternary ammonium or phosp... | 02/21/1989 |
| 4786690 | Process for polymer production A process is provided for the production of a polymer of reduced molecular weight by subjecting, in bulk form, a halogenated butyl polymer having at least 75 percent of the unsaturation in the EXO methylene configuration to mastication in an extruder whil... | 11/22/1988 |
| 4767834 | Vinyl benzyl 2,2,6,6-tetramethyl piperidines Vinyl benzyl 2,2,6,6-tetramethyl piperidines are provided, having the formula: ##STR1## wherein: R is selected from the group consisting of hydrogen; oxyl; acyl and alkyl having from one to about eighteen carbon atoms; ##STR2## in which Y i... | 08/30/1988 |
| 4621120 | Polymeric antibacterial compositions Polymers having antibacterial activity are disclosed. The polymers are water-dispersible vinyl copolymers comprising (a) from 15 to 90 mole percent of recurring polymerized vinyl monomer units having a quaternary nitrogen cationic group containing an alkyl ... | 11/04/1986 |
| 4551505 | Process for crosslinking chlorinated polyethylene The crosslinking of chlorinated polyethylene with 2,5-dimercapto-1,3,4-thiadiazole in the presence of a basic substance may be carried out easily and leads to improved vulcanizate properties if amido amines, for example tetraethylene pentamine distearate,... | 11/05/1985 |
| 4504631 | Photoresist material The photoresist material comprises a polymer having chloromethyl groups introduced therein and containing 2-isopropenylnaphthalene as one component, an average substitution degree of the chloromethyl groups based on the polymer is within a range of 0.2 to... | 03/12/1985 |
| 4487855 | Colored latexes; methods for making same and colored finely divided products The present invention relates to colored latex products, and especially to colored synthetic polymer emulsions, the finely divided colored polymers obtainable therefrom, and methods for making the colored polymer emulsions as well as the polymers as color... | 12/11/1984 |
| 4482680 | Quaternary ammonium group-containing polymers having antimicrobial activity Polymeric quaternary ammonium compounds having recurring vinylbenzyl ammonium units are disclosed. The quaternary ammonium units preferably have 2 alkyl substituents of 1 to 4 carbons and 1 alkyl substituent of 4 to 12 carbons. These materials have antimi... | 11/13/1984 |
| 4481337 | Process for the preparation of modified polymers There is disclosed a process for the modification of a polymer having pendant halo-benzyl groups comprising (a) contacting said polymer with a quaternary ammonium or phosphonium salt and an alkali ionizable molecule containing anti-degradant properties th... | 11/06/1984 |
| 4469836 | Perfluorocarbon based polymeric coatings having low critical surface tensions Highly adherent release compositions having very low surface tensions comprise a polymer containing a pendant benzyl portion linked through a benzyl ester linkage to a perfluorocarbon moiety. Such compositions will not wet with any common solvents. Such c... | 09/04/1984 |
| 4438247 | Preparation of regioregular polyfluoroethylenes and products thereof Regioregular polyfluoroethylenes are produced by a specific set of reaction steps. A precursor polymer for the regioregular polyfluoroethylene is produced by using the monomer typically employed for producing the particular polyfluoroethylene and introduc... | 03/20/1984 |
| 4288511 | Photographic elements containing encapsulated polymers coordinated with metal ions A photographic element comprises a support having thereon a layer containing a hydrophilic vehicle having dispersed therein a particulate polymeric material encapsulated with a chelating or already chelated polymer, said element, when the polymer is not a... | 09/08/1981 |
| 4250212 | Wet strength paper additives A polymer is described which has particular utility as an additive imparting wet an dry strength to a paper base. The polymer is formed by the reaction of a polymer of an N,N-disubstituted vinyl-benzyl amine or homologue thereof with an epihalohydrin.... | 02/10/1981 |
