Peroxy Carbonate Patents (Class 526/230.5)
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Publication number: 20030225229Abstract: Process for providing acrylic (co)polymers suitable for high solids coating applications, comprising the step of:Type: ApplicationFiled: June 9, 2003Publication date: December 4, 2003Inventors: Andreas Petrus Van Swieten, Petrus Paulus Waanders, John Meijer, Andreas Herman Hogt
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Patent number: 6649663Abstract: The present invention relates to a process for preparing novel, monodisperse ion exchangers having chelating functional groups, and their use for adsorbing metal compounds, in particular, heavy metal compounds and noble metal compounds, and also for extracting alkaline-earth metals from saline solutions from alkali metal chloride electrolysis.Type: GrantFiled: August 21, 2000Date of Patent: November 18, 2003Assignee: Bayer AktiengesellschaftInventors: Reinhold Klipper, Werner Strüver, Ulrich Schnegg, Bruno Hees, Bernhard Lehmann, Holger Lütjens
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Publication number: 20030195311Abstract: A free radical polymerization process is provided which comprises polymerizing at least one radically polymerizable monomer in the presence of the multi-component liquid azo-peroxide initiator mixture under polymerization conditions to provide a radically polymerized homopolymer or copolymer, the multi-component liquid azo-peroxide initiator mixture comprising (a) at least 6 different azodinitriles; and (b) one or more liquid organic peroxides. Also provided is the stable multi-component liquid azo-peroxide initiator mixture.Type: ApplicationFiled: April 16, 2002Publication date: October 16, 2003Applicant: CROMPTON CORPORATIONInventors: Elisa Martinez, Peter Frenkel
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Patent number: 6627716Abstract: A chlorotrifluoroethylene homopolymer is prepared by polymering chlorotrifluoroethylene monomers in an ester solvent and in the presence of t-butyl peroxypivalate as a radical initiator. The polymerization application can be carried at about 60° C., and the resulting chlorotrifluoroethylene homopolymer has a number average molecular weight of about 1700.Type: GrantFiled: April 10, 2002Date of Patent: September 30, 2003Assignee: Chung-Shan Institute of Science & TechnologyInventor: Shean-Jeng Jong
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Patent number: 6627717Abstract: The invention relates to a process for the preparation of an organic solution of dialkyl peroxydicarbonate which is particularly suited for use in the aqueous suspension polymerization of halogenated monomers. The dialkyl peroxydicarbonates are employed in the aqueous suspension polymerization of halogenated monomers in the form of an organic solution in a water-insoluble organic solvent chosen from conventional chain-regulating agents for halogenated polymers.Type: GrantFiled: April 26, 2001Date of Patent: September 30, 2003Assignee: Solvay (Societe Anonyme)Inventors: Thierry Lannuzel, Vincent Bodart, Xavier Bacque, Guy Laurent, Fredy Declerck
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Patent number: 6617388Abstract: Use of OO-t-amyl-O(2-ethylhexyl)monoperoxycarbonate as a curing catalyst for bulk molding compounds (“BMC”s) and sheet molding compounds (“SMC”s) is provided.Type: GrantFiled: October 12, 2001Date of Patent: September 9, 2003Assignee: Atofina Chemicals, Inc.Inventors: Chii-Shu Chen, Peter A. Callais, J. Michael West
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Patent number: 6617408Abstract: The dialkyl peroxydicarbonates with short alkyl chains, preferably diethyl and diisopropyl peroxydicarbonates, are used for the aqueous suspension polymerization of vinyl chloride, in the form of a solution in a dialkyl alkanedicarboxylate which is liquid and insoluble in water. The preferred solvents are hexanedicarboxylates (adipates) derived from adipic acid and from C6-C10 alkanols. The peroxydicarbonate concentration of the said solutions is generally 15-40% by weight. The process according to the invention produces vinyl chloride polymers of improved quality resulting in shaped articles exhibiting markedly fewer fisheyes.Type: GrantFiled: May 25, 2001Date of Patent: September 9, 2003Assignee: Solvay (Societe Anonyme)Inventor: Vincent Bodart
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Patent number: 6608141Abstract: The melt of polyvinyl aromatic polymers comprising from 10 to 45 weight % of star branched polymer prepared using a combination of thermal and tetra functional peroxide initiation has an improved melt strength permitting better foam formation for extrusion foam blown with conventional blowing agents and inert gases including CO2 and an improved tensile strength for oriented polystyrene (OPS) articles, e.g. blown film or extruded sheet.Type: GrantFiled: March 7, 2002Date of Patent: August 19, 2003Assignee: NOVA Chemicals Inc.Inventors: Steven M. Krupinski, Robert J. Gorka
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Publication number: 20030149204Abstract: A radical (co)polymerization of ethylene is carried out under high pressure in the presence of at least one initiating free radical (Z&Circlesolid;) and of at least one controlling stable free radical (SFR&Circlesolid;) which comprises the indoline nitroxide backbone represented by the formula (I). Mention may be made, by way of examples, of the radicals (SFR&Circlesolid;) of formula (II).Type: ApplicationFiled: January 27, 2003Publication date: August 7, 2003Applicant: AtofinaInventors: Eric Minaux, Lucedio Greci, Michael Buback, Paul Tordo, Thierry Senninger, Pierluigi Stipa, Patricia Carloni, Elisabetta Damiani, Giampaolo Tommasi
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Patent number: 6562513Abstract: The present invention provides (1) a thermopolymerizable composition containing a thermopolymerizable compound having (meth)acrylate having a moiety consisting of oxyalkylene, fluorocarbon, oxyfluorocarbon and/or carbonate group within the molecule, an electrolyte salt, an organic polymerization initiator having no benzene ring, and a polymerization retarder having vinyl group within the molecule, (2) a solid electrolyte obtained by heat-curing the composition, (3) a primary battery, a secondary battery and an electric double-layer capacitor each using the solid electrolyte, and processes for manufacturing the same.Type: GrantFiled: September 8, 1999Date of Patent: May 13, 2003Assignee: Showa Denki Kabushiki KaishaInventors: Masataka Takeuchi, Shuichi Naijo
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Patent number: 6559254Abstract: The invention provides a process for producing a saponified vinyl acetate polymer (a saponified ethylene-vinyl acetate copolymer in particular) which features a minimum of coloration of molding pellets, a well-inhibited emanation of an odor in melt-molding, a high transparency of the product film and a low incidence of fish-eyes in the film, and a process for producing a vinyl acetate polymer (particularly an ethylene-vinyl acetate copolymer) for use as the starting material for said saponified vinyl acetate polymer having said favorable properties. In accordance with the invention, either vinyl acetate alone or vinyl acetate and one or more other monomers are polymerized in the presence of a hydroxylactone compound and a polymerization catalyst. The resulting vinyl acetate polymer (particularly the ethylene-vinyl acetate copolymer) is then saponified.Type: GrantFiled: February 13, 2001Date of Patent: May 6, 2003Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki KaishaInventors: Kenji Ninomiya, Yoshiharu Nagao, Akio Harao, Kenji Kato
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Publication number: 20030073794Abstract: Use of OO-t-amyl-O(2-ethylhexyl)monoperoxycarbonate as a curing catalyst for bulk molding compounds (“BMC”s) and sheet molding compounds (“SMC”s) is provided.Type: ApplicationFiled: October 12, 2001Publication date: April 17, 2003Inventors: Chii-Shu Chen, Peter A. Callais, J. Michael West
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Patent number: 6541586Abstract: The invention relates to a method of forming carbon monoxide-containing polymers from multi-component syngas feeds and at least one vinyl comonomer. Feeds useful in the practice of the invention comprise ethylene in an amount ranging from about 5 to about 40 mole %, carbon monoxide is an amount ranging from about 1 to about 40 mole %, hydrogen in an amount ranging from about 4 to about 55 mole %, carbon dioxide in an amount ranging from about 3 to about 10 mole %, and methane in an amount ranging from about 4 to about 85 mole %. The feed may also include acetylene in an amount ranging up to about 10 mole %. The feed may contain at least one free radical-polymerizable vinyl comonomer, or a cofeed containing such a comonomer can be used.Type: GrantFiled: January 19, 1999Date of Patent: April 1, 2003Assignee: ExxonMobil Research and Engineering CompanyInventors: Abhimanyu O. Patil, Donald N. Schulz, Raymond A. Cook, Michael G. Matturro
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Patent number: 6506864Abstract: Describes a polymerizable composition of (a) a first allyl functional monomer, which is selected such that a substantially completely cured polymerizate of the first allyl functional monomer has a 15 second Barcol 934 hardness of at least 40, and (b) a second allyl functional monomer selected from polyether diol bis(allyl carbonate), polylactone diol bis(allyl carbonate) and mixtures thereof. The second allyl functional monomer is present in the composition in an amount to provide a substantially completely cured polymerizate having: (i) improved organic photochromic substance incorporation relative to a substantially completely cured polymerizate of the composition free of monomer (b); and (ii) heat distortion temperature of at least 40° C.Type: GrantFiled: August 1, 2000Date of Patent: January 14, 2003Assignee: PPG Industries Ohio, Inc.Inventors: Randy E. Daughenbaugh, Robert D. Herold
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Publication number: 20020177678Abstract: Thermally stabilized initiator compositions comprising:Type: ApplicationFiled: March 21, 2002Publication date: November 28, 2002Applicant: ATOFINA Chemicals, Inc.Inventors: Barbara L. Stainbrook, Michael S. Mendolia, Terry N. Myers, Peter A. Callais, Joseph M. Brennan
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Patent number: 6486271Abstract: The present invention provides to overcome the deficiencies of the prior art, the present invention provides a method of producing a polymer. The method includes taking a product stream from a monovinyl aromatic polymerization system wherein the product stream comprises a polymerized monomer and a monomer. The product stream is introduced into an up-flow heat exchanger in a presence of an initiator, such as a peroxide, that affects a polymerization of the monomer in the up-flow heat exchanger. The initiator may include a low-temperature initiator and a high-temperature initiator where a ratio of the high-temperature initiator to the low-temperature initiator can range from about 0:600 to about 50:600.Type: GrantFiled: March 9, 2001Date of Patent: November 26, 2002Assignee: Fina Technology, Inc.Inventors: Jose M. Sosa, Aron T. Griffith
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Patent number: 6482882Abstract: Polymerization process of unsaturated pefluoromonomers, fluoro-containing monomers and optionally in the presence of hydrogen containing olefins, for obtaining polymers contaning hydrogen and fluorine, which utilizes a microemulsion comprising the following components: (a) water; (b) a fluoropolyoxyalkylene having hydrogen-containing end groups and/or hydrogen-containing repeating units; (c) a fluorine-free organic radicalic initiator for the polymerization of fluoro-containing monomers, soluble in component (B); (d) a fluoro-containing surfactant.Type: GrantFiled: May 24, 2000Date of Patent: November 19, 2002Assignee: Ausimont S.P.A.Inventors: Julio A. Abusleme, Alba Chittofrati
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Patent number: 6476149Abstract: The melt of polyvinyl aromatic polymers comprising from 10 to 45 weight % of star branched polymer prepared using a combination of thermal and tetra functional peroxide initiation has an improved melt strength permitting better foam formation for extrusion foam blown with conventional blowing agents and inert gases including CO2.Type: GrantFiled: April 12, 2002Date of Patent: November 5, 2002Assignee: Nova Chemicals Inc.Inventor: Steven M. Krupinski
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Publication number: 20020161146Abstract: Disclosed are (1) a thermopolymerizable composition containing a thermopolymerizable compound containing a (meth)acrylate having a moiety including oxyalkylene, fluorocarbon, oxyfluorocarbon and/or carbonate in the molecule, at least one electrolyte, and a polymerization initiator which is an organic peroxide containing no benzene ring, (2) a solid electrolyte obtained by thermally curing the composition, and (3) a primary battery, a secondary battery and electric double layer capacitor including the solid electrolyte, as well as a production method thereof.Type: ApplicationFiled: August 20, 2001Publication date: October 31, 2002Applicant: SHOWA DENKO K.K.Inventors: Shuichi Naijo, Koji Tokita, Masataka Takeuchi
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Patent number: 6433092Abstract: The melt of polyvinyl aromatic polymers comprising from 10 to 45 weight % of star branched polymer prepared using a combination of thermal and tetra functional peroxide initiation has an improved melt strength permitting better foam formation for extrusion foam blown with conventional blowing agents and inert gases including CO2 and an improved tensile strength for oriented polystyrene (OPS) articles, e.g. blown film or extruded sheet.Type: GrantFiled: March 6, 2001Date of Patent: August 13, 2002Assignee: Nova Chemicals Inc.Inventors: Steven M. Krupinski, Robert J. Gorka
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Patent number: 6399728Abstract: Thermally stabilized initiator composition comprising: (a) at least one dialkyl peroxydicarbonate, and (b) a stabilizing effective amount of a compound of Structure I: wherein R1 and R2 are as defined in the summary of the invention section, processes for their preparation and use are disclosed.Type: GrantFiled: October 17, 2001Date of Patent: June 4, 2002Assignee: ATOFINA Chemicals, Inc.Inventors: Barbara L. Stainbrook, Michael S. Mendolia, Terry N. Myers, Peter A. Callais, Joseph M. Brennan
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Patent number: 6346587Abstract: The present invention relates to a process for the production of partially fluorinated fluoropolymers, in accordance with which fluoromonomers are free-radically polymerized in the presence of polyfluoropropanes or polyfluorobutanes of the formulae CF3—CH2—CF2H, CF3—CHF—CF2—H, CF3—CH2—CF3, CHF2—CF2—CH2F, CF3—CH2—CF2—CH3 AND CF3—CHF—CF2—CH3 and optionally a chain-transfer agent.Type: GrantFiled: September 18, 2000Date of Patent: February 12, 2002Assignee: Bayer AktiengesellschaftInventors: Ralf Krüger, Gerhard Heilig, Claus Dieter Sommerfeld
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Publication number: 20010049418Abstract: The melt of polyvinyl aromatic polymers comprising from 10 to 45 weight % of star branched polymer prepared using a combination of thermal and tetra functional peroxide initiation has an improved melt strength permitting better foam formation for extrusion foam blown with conventional blowing agents and inert gases including CO2 and an improved tensile strength for oriented polystyrene (OPS) articles, e.g. blown film or extruded sheet.Type: ApplicationFiled: March 6, 2001Publication date: December 6, 2001Applicant: NOVA Chemicals Inc.Inventors: Steven M. Krupinski, Robert J. Gorka
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Patent number: 6316548Abstract: A (meth)acrylic premix comprising a (meth)acrylic resin composition (A) containing a (meth)acrylic monomer (a) and a (meth)acrylic polymer (b), an inorganic filler (B), and a curing agent (C), wherein, the component (a) is a (meth)acrylate having a bicyclo ring, fluorine atom, cyclic ether, cyclohexane ring or tricyclo ring, and the component (C) is a radical polymerization initiator having a 10 hours half-life temperature of 75° C. or more; an acrylic SMC or BMC comprising this (meth)acrylic premix and a thickening agent; and a method for producing (meth)acrylic artificial marble, wherein this (meth)acrylic SMC or BMC is cured with being pressurized and heated at a temperature in the range from 105 to 150° C., are provided. These are useful for producing (meth)acrylic artificial marble having various excellent physical properties such as appearance, dimension stability, hot water resistance, weatherability.Type: GrantFiled: October 14, 1999Date of Patent: November 13, 2001Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Seiya Koyanagi, Katsumi Yonekura, Shinji Saiki, Kentaro Hayashi, Yuichiro Kishimoto
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Patent number: 6316570Abstract: Polymerizable compositions comprising a major amount of a first allyl functional monomer, which is an aliphatic polyol (allyl carbonate) monomer, e.g., diethylene glycol bis(allyl carbonate), and a minor amount of a second allyl functional monomer, which is an aromatic polyol (allyl carbonate) monomer, e.g., 4,4′-isopropylidenediphenol bis(allyl carbonate), are described. The second allyl functional monomer is present in the polymerizable composition of the present invention in at least an amount to provide a polymerizate of the composition having (i) reduced cracking relative to a polymerizate prepared from a comparative composition that is free of the second allyl functional monomer, and (ii) a refractive index of less than 1.530. Polymerizable compositions according to the present invention may optionally comprise static dyes and/or photochromic substances.Type: GrantFiled: June 23, 1999Date of Patent: November 13, 2001Assignee: PPG Industries Ohio, Inc.Inventors: Craig J. Bonde, Diane M. Tracy, Charles C. Clontz
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Patent number: 6316563Abstract: Disclosed are (1) a thermopolymerizable composition containing a thermopolymerizable compound containing a (meth)acrylate having a moiety including oxyalkylene, fluorocarbon, oxyfluorocarbon and/or carbonate in the molecule, at least one electrolyte, and a polymerization initiator which is an organic peroxide containing no benzene ring, (2) a solid electrolyte obtained by thermally curing the composition, and (3) a primary battery, a secondary battery and electric double layer capacitor including the solid electrolyte, as well as a production method thereof. The polymer solid electrolyte obtained from the thermopolymerizable composition has high ion conductivity and good stability and the primary battery and secondary battery produced using the polymer solid electrolyte are operable at high capacity and high current, has a long-term service life and high reliability, and can be produced at low costs.Type: GrantFiled: May 27, 1998Date of Patent: November 13, 2001Assignee: Showa Denko K.K.Inventors: Shuichi Naijo, Koji Tokita, Masataka Takeuchi
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Patent number: 6300442Abstract: A process of making a cosmetically or pharmaceutically-acceptable emulsion or gel composition which comprises: (a) heating a reaction mixture comprising, by weight, about 5-70% of a vinyl monomer in about 30-95% of an oil as solvent, wherein said oil is selected from the group consisting of a silicone oil, a mineral oil and a water-insoluble organic ester and a free radical initiator, optionally in the presence of a crosslinking agent and/or an oil soluble surfactant, with agitation, under an inert gas, at about 40-150° C., wherein the oil is present in an amount sufficient to keep the resultant vinyl polymer in a stirrable state until the end of the polymerization, (b) adding a surfactant, if a suitable surfactant was not present during polymerization, and, (c) then adding water to form an oil-in-water, a water-in-oil or a water-in-oil-in-water emulsion or gel, in a volume ratio of oil-in-water of 30:70 to 10:90, or water-in-oil of 90:10 to 30:70.Type: GrantFiled: March 13, 1999Date of Patent: October 9, 2001Assignee: ISP Investments Inc.Inventors: Krystyna Plochocka, Jui-Chang Chuang, Jenn S. Shih
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Patent number: 6274641Abstract: The melt of polyvinyl aromatic polymers comprising from 10 to 45 weight % of star branched polymer prepared using a combination of thermal and tetra functional peroxide initiation has an improved melt strength permitting better foam formation for extrusion foam blown with conventional blowing agents and inert gases including CO2.Type: GrantFiled: October 4, 2000Date of Patent: August 14, 2001Assignee: Nova Chemical INCInventor: Steven M. Krupinski
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Publication number: 20010011119Abstract: Disclosed are (1) a thermopolymerizable composition containing a thermopolymerizable compound containing a (meth)acrylate having a moiety including oxyalkylene, fluorocarbon, oxyfluorocarbon and/or carbonate in the molecule, at least one electrolyte, and a polymerization initiator which is an organic peroxide containing no benzene ring, (2) a solid electrolyte obtained by thermally curing the composition, and (3) a primary battery, a secondary battery and electric double layer capacitor including the solid electrolyte, as well as a production method thereof.Type: ApplicationFiled: May 27, 1998Publication date: August 2, 2001Inventors: SHUICHI NAIJO, KOJI TOKITA, MASATAKA TAKEUCHI
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Patent number: 6258910Abstract: Disclosed is a method of polymerizing vinyl chloride or vinylidene chloride monomer. A mixture is prepared of (1) a monomer selected from the group consisting of vinyl chloride, vinylidene chloride, and mixtures thereof with up to about 20 wt % of a comonomer, (2) supercritical carbon dioxide, subcritical carbon dioxide, or liquid carbon dioxide in a weight ratio to the monomer of about 0.5 to about 5; and (3) about 0.1 to about 1 phr of a free radical initiator that is soluble in said supercritical carbon dioxide or a solution of said a free radical initiator in a solvent that is miscible with the carbon dioxide. The mixture is heated to a temperature of about 40 to about 70° C. to polymerize the monomer.Type: GrantFiled: June 9, 1999Date of Patent: July 10, 2001Assignee: Occidental Chemical CorporationInventors: Habib Hichri, Ramesh Krishnamurti, Thomas Smolka
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Patent number: 6258906Abstract: The dialkyl peroxydicarbonates with short alkyl chains, are used for the aqueous suspension polymerization of vinyl chloride, in the form of a solution in a dialkyl alkanedicarboxylate. The preferred solvents are hexanedicarboxylates (adipates) derived from adipic acid and C6-C10 alkanols. The peroxydicarbonate concentration of the said solutions is generally 15-40% by weight. The process according to the invention produces vinyl chloride polymers of improved quality resulting in shaped articles exhibiting markedly fewer fisheyes. The invention also relates to a two-stage process for the manufacture of a solution of dialkyl peroxydicarbonates with short alkyl chains which is particularly suited for the aqueous suspension polymerization of vinyl chloride. According to this process an inorganic salt is used in the stage of manufacture of the peroxydicarbonate (first stage) and the latter is subsequently isolated by extraction by means of a water-insoluble solvent (second stage).Type: GrantFiled: April 23, 1999Date of Patent: July 10, 2001Assignee: SolvayInventor: Vincent Bodart
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Patent number: 6255421Abstract: A non-aqueous, heterogeneous polymerization process comprises heating a reaction mixture of about 5-70%, preferably 10-30%, by weight, of a vinyl monomer in an oil as solvent, and a free radical initiator, optionally in the presence of a crosslinking agent and/or a surfactant, wherein the oil solvent is present in an amount sufficient to keep the resultant polymer in a stirrable state throughout the polymerization. The polymer reaction product is capable of forming a uniform emulsion or gel upon addition of water thereto.Type: GrantFiled: December 10, 1997Date of Patent: July 3, 2001Assignee: ISP Investments Inc.Inventors: Krystyna Plochocka, Jui-Chang Chuang, Jenn S. Shih
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Patent number: 6221987Abstract: A method for producing a fluorine-containing polymer, which comprises subjecting the following fluorine-containing monomer (a), (b), (c) or (d) to bulk polymerization by means of a polymerization initiator comprising a fluorine-containing organic peroxide having a 10 hour half value temperature of from 30 to 130° C., to obtain a fluorine-containing polymer having a fluorine-containing alicyclic structure in its main chain: (a) a fluorine-containing monomer having a fluorine-containing alicyclic structure, (b) a fluorine-containing monomer having at least two polymerizable double bonds, (c) the fluorine-containing monomer (a) and the fluorine-containing monomer (b), (d) at least one fluorine-containing monomer selected from the fluorine-containing monomers (a) and (b), and another fluorine-containing monomer other than the fluorine-containing monomers (a) and (b).Type: GrantFiled: April 14, 1999Date of Patent: April 24, 2001Assignee: Asahi Glass Company Ltd.Inventor: Norihide Sugiyama