For Solid Synthetic Polymer And Reactants Thereof Patents (Class 252/609)
-
Publication number: 20130150475Abstract: The invention provides for new flame retardant non-furan dicarboxylic acid (FDCA) based polyols; oligomers and polymers made from these new polyols with flame retardation properties; and methods of using them as a part or all of the flame retardation composition/material, such as foams and binders.Type: ApplicationFiled: July 15, 2011Publication date: June 13, 2013Applicant: BATTELLE MEMORIAL INSTITUTEInventors: Herman P. Benecke, Daniel B. Garbark
-
Publication number: 20130143021Abstract: A flame retardant additive includes red phosphorus adsorbed into a porous carrier. The carrier may be mixed with white phosphorus above its melting point (41° C.), so that liquid phosphorus is pulled into the pores of the carrier by capillary action. The phosphorus-loaded carrier may be heated above 250° C. to convert the white phosphorus to red phosphorus. The resulting red phosphorus-loaded carrier may retain flame retardant activity, and may also be protected from the environment for easier handling and formulation. By employing a carrier of a suitably small particle size, it is practical to incorporate the flame retardant red phosphorus-loaded carrier in thin films.Type: ApplicationFiled: September 6, 2012Publication date: June 6, 2013Applicant: Empire Technology Development, LLCInventor: Seth Adrian Miller
-
Patent number: 8455594Abstract: A phosphorous flame retardant primarily includes hexachlorotriphosphazene (HCP) having poly(oxyalkylene)amine substitutes. The poly(oxyalkylene)amine includes at least two end groups. The phosphorous flame retardant can further include layered silicate clay. The layered silicate clay can be intercalated and modified with the poly(oxyalkylene)amine substitutes of HCP to effectively promote thermal stability. The flame retardant, phosphazene-poly(oxyalkylene)amine adducts, can be applied to a polymer. By the cross-linking between them, the flame-retarding property of the polymer can be improved. Also provided is a method for producing the flame retardant of phosphazene-poly(oxyalkylene)amine adducts and application thereof to a polymer.Type: GrantFiled: August 6, 2012Date of Patent: June 4, 2013Assignee: National Taiwan UniversityInventors: Jiang-Jen Lin, Yu-Min Chen, Yi-Lin Liao
-
Publication number: 20130131239Abstract: The invention relates to a method for producing mixtures of alkylphosphonous acid and dialkylphosphinic acid salts, characterised in that a) a phosphinic acid source (I) is reacted with olefins (II) in the presence of a catalyst A to obtain a mixture of alkylphosphonous acid (III) and dialkylphosphinic acid (IV) or salts or esters thereof, and b) the thus obtained mixture of alkylphosphonous acid (III) and dialkylphosphinic acid (IV) or the salts or esters thereof is reacted with metal compounds of Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base to obtain the corresponding mixtures of alkylphosphonous acid salt (V) and dialkylphosphinic acid salt (VI) of said metals and/or a nitrogen compound, (V) (VI), wherein Y represents Mg, Ca, AI, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na; K and/or a nitrogen compound and n represents ¼, ?, ½, 1.Type: ApplicationFiled: April 20, 2011Publication date: May 23, 2013Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Michael Hill, Sebastian Hoerold, Werner Krause, Martin Sicken
-
Publication number: 20130126805Abstract: The invention relates to a method for producing alkylphosphonous acid salts, characterised in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salts or esters thereof (II), b) the thus obtained alkylphosphonous acid, the salts or esters thereof (II) are reacted with metal compounds of Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a protoned nitrogen base to obtain the corresponding alkylphosphonous acid salts (III) of said metals and/or a nitrogen compound, wherein R1, R2, R3, R4 are the same or different and independently of each other represent H, C1-C18-alkyl, C6-C18-aryl, C7-C18-arylalkyl, C7-C18-alkylaryl and Y represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a nitrogen compound and n represents ¼, ?, ½, 1 and the catalyst A is a transition metal and/or transition metal compound and/or catalyst systems which are composed of a transition metal and/or a tranType: ApplicationFiled: April 20, 2011Publication date: May 23, 2013Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Michael Hill, Werner Krause, Martin Sicken
-
Patent number: 8444884Abstract: The invention relates to a polymer material comprising a halogen-free flame-proofing agent incorporated into the polymer matrix, the flame-proofing agent comprising at least ammonium polyphosphate(s) and/or derivatives thereof and an oligomer or polymer 1,3,5-triazine derivative or mixtures of a plurality thereof and at least one compound selected from phosphates, pyrophosphates, polyphosphates, organic and inorganic phosphonates, organic and inorganic phosphinates, stannates, molybdates or borates of the elements of the main groups II, III, IV or of the sub-group elements Fe, Zn, Ti, Mn, Zr, Mo, pre-condensed melamine derivatives, melamine salts and addition compounds, ethylene diamine phosphate, piperazine phosphate, piperazine polyphosphate, 1,3,5-trihydroxyethyl isocyanurate, 1,3,5-triglycidyl isocyanurate and triallyl isocyanurate. The weight ratio of constituents A to constituents B is 10:1 to 1:1, constituents A and B together amounting to between 60 and 99 wt.Type: GrantFiled: July 25, 2008Date of Patent: May 21, 2013Assignee: Chemische Fabrik Budenheim KGInventors: Thomas Futterer, Hans-Dieter Naegerl, Vincens Mans Fibia, Siegfried Mengel
-
Publication number: 20130123398Abstract: The invention relates to a flame-proofed polymer composition that can be obtained from one or more ?-olefin/vinyl acetate copolymers, having a vinyl acetate content of 40 to 90 wt %, relative to the total weight of the ?-olefin/vinyl acetate copolymers, and from a synergistic flame-proofing material combination, containing, as component A, a phosphinic acid salt of the formula (I), where R1, R2 are C1-C6-alkyl, preferably C1-C4-alkyl, linear or branched; M is calcium, aluminum, zinc ions; m is 2 or 3; and as component B, a metal hydroxide, preferably aluminum hydroxide (ATH); and, as component C, a melamine compound.Type: ApplicationFiled: December 21, 2010Publication date: May 16, 2013Applicant: LANXESS DEUTSCHLAND GMBHInventors: Andreas Roos, Gerd Bergmann, Manuel La Rosa, Oriane Cerin, Gaëlle Fontaine, Sophie Duquesne, Serge Bourbigot
-
Patent number: 8440758Abstract: A flame retardant resin composition is disclosed. An acrylonitrile-styrene based polymer, into which sulfonic acid groups and/or sulfonate groups have been introduced by sulfonating processing with a sulfonating agent containing less than 3 wt % of moisture, is contained in a resin to be made flame retardant, so that flame retardant properties will be conferred on the resin flame resistant.Type: GrantFiled: March 17, 2005Date of Patent: May 14, 2013Assignee: Sony CorporationInventor: Yasuhito Inagaki
-
Publication number: 20130102703Abstract: The invention relates to a polymer composition comprising high impact polystyrene (HIPS) and a combination of flame retardants which are brominated epoxy oligomers and polymers. A process for preparing the HIPS composition through a masterbatch route and a masterbatch composition which contains the flame retardants are also disclosed.Type: ApplicationFiled: March 21, 2011Publication date: April 25, 2013Inventors: Yoav Bar-Yaakov, Yaniv Hirschsohn, Ita Finberg
-
Patent number: 8409479Abstract: The invention relates to a ceramifying composition for forming a fire resistant ceramic under fire conditions the composition comprising: (i) at least 10% by weight of mineral silicate; (ii) from 8% to 40% by weight of at least one inorganic phosphate that forms a liquid phase at a temperature of no more than 800° C.; and (iii) at least 15% by weight based on the total weight of the composition of a polymer base composition comprising at least 50% by weight of an organic polymer.Type: GrantFiled: March 31, 2005Date of Patent: April 2, 2013Assignee: Olex Australia Pty LtdInventors: Graeme Alexander, Yi-Bing Cheng, Robert Paul Burford, Robert Shanks, Jaleh Mansouri, Kenneth Willis Barber, Pulahinge Don Dayananda Rodrigo, Christopher Preston
-
Patent number: 8404161Abstract: A hydroxyphenyl or alkoxyphenyl phosphine oxide composition comprising (i) a first mixture of mono-(hydroxyphenyl) or (alkoxyphenyl) phosphine oxide isomers, (ii) a second mixture of bis-(hydroxyphenyl) or (alkoxyphenyl) phosphine oxide isomers, (iii) a third mixture of tris-(hydroxyphenyl) or (alkoxyphenyl) phosphine oxide isomers, and optionally iv) a minority amount of non-hydroxy or non-alkoxy tris-phenyl phosphine oxides is provided. Also provided are epoxy resins compositions with excellent flame retardancy and physical properties, which resins comprise the phosphine oxide composition.Type: GrantFiled: September 10, 2010Date of Patent: March 26, 2013Assignee: Chemtura CorporationInventors: Larry D. Timberlake, Mark V. Hanson, James D. Sibecker
-
Publication number: 20130053473Abstract: Disclosed herein is a method of preparing a high-melting point flame retardant crystal, comprising the steps of: reacting 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide with 1,4-naphthoquinone in an inert solvent having a dielectric constant of 10 or less to reduce a content of by-products, thereby obtaining a reaction composition; and dissolving the reaction composition in any one solvent selected from the group consisting of ethyleneglycol, propyleneglycol, diethyleneglycol, cyclohexanone, benzyl alcohol, acetate ester, benzoate ester and a mixture thereof to recrystallize and refine the reaction composition, thereby obtaining high-melting point retardant crystal, represented by Formula 1, having a start melting point of 280° C. or more and a melting point of 291° C.Type: ApplicationFiled: August 16, 2012Publication date: February 28, 2013Applicant: SANKO CO., LTD.Inventors: Daishiro KISHIMOTO, Yoichi UMEKI
-
Patent number: 8378012Abstract: A flame retardant composition is provided which contains at least one phosphate ester containing at least one acidic substance resulting from the process of its manufacture, at least one acidity-reducing hydrotalcite and, optionally, at least one acidity-reducing oxetane. The flame retardant composition is especially useful for addition to resins that are susceptible to hydrolytic degradation such as polyesters and polycarbonates, and to resin blends (alloys) containing one or more of such resins, e.g., a blend of polycarbonate and acrylonitrile butadiene-styrene terpolymer.Type: GrantFiled: November 7, 2006Date of Patent: February 19, 2013Assignee: ICL-IP America Inc.Inventors: Paul Y. Moy, Leslie Bright
-
Patent number: 8362127Abstract: A halogenated non-polymeric phenyl ether flame retardant is described having the general formula (I): wherein each X is independently Cl or Br, n is an integer of 1 or 2, and each p is independently an integer of 1 to 4, provided that, when each X is Cl, the total amount halogen in the ether is from about 50 to about 65 wt % and when each X is Br, the total amount halogen in the ether is from at least 70 wt % to about 79 wt % and wherein from about 30% to about 80%, for example from about 35% to about 75% of the halogenated ethers are fully halogenated the remainder being partially halogenated. The present flame retardant provides superior mechanical properties when incorporated into a polymer than similar flame retardants which contain a higher amount of fully halogenated species.Type: GrantFiled: September 29, 2011Date of Patent: January 29, 2013Assignee: Chemtura CorporationInventors: Larry D. Timberlake, James D. Siebecker, Subramaniam Narayan
-
Patent number: 8357738Abstract: A flame retardant blend comprises at least first and second halogenated non-polymeric phenyl ethers having the general formula (I): wherein each X is independently Cl or Br, each m is independently an integer of 1 to 5, each p is independently an integer of 1 to 4, n is an integer of 1 to 5 and wherein the values of n for the first and second ethers are different.Type: GrantFiled: November 24, 2009Date of Patent: January 22, 2013Assignee: Chemtura CorporationInventors: Larry D. Timberlake, James D. Siebecker
-
Patent number: 8349224Abstract: The present invention relates to flame retardant polymer compositions which comprise melamine phenylphosphonates and mixtures with dihydro-oxa-phosphaphenanthrene derivatives. The compositions are especially useful for the manufacture of flame retardant compounds based on polyfunctional epoxides or polycondensates like polyesters, polyamides and polycarbonates.Type: GrantFiled: November 25, 2009Date of Patent: January 8, 2013Assignee: BASF SE LudwigshafenInventors: Sabine Fuchs, Thomas Weiβ, Rainer Xalter
-
Patent number: 8349223Abstract: Boronated polyphosphinohydrazide fire retardants are provided having the basic structural unit: wherein, Y is O or S; R can be selected from H, alkyl (e.g., linear, branched, saturated, or unsaturated), aryl, heterocyclic, cycloaliphatic (e.g., saturated or unsaturated), or a metallocene (e.g., ferrocene, zirconocene or the like); and n can be selected from 1 to 500.Type: GrantFiled: September 21, 2009Date of Patent: January 8, 2013Assignee: The Boeing CompanyInventors: Norman R. Byrd, Douglas G. Soden, Arthur Rojo
-
Publication number: 20120302651Abstract: There is provided herein a flame-retardant additive composition comprising a halogenated hydroxyl-containing compound; and, a dialkyl phosphite. There is also provided polyurethane foam-forming composition(s) containing the flame-retardant additive, and polyurethane foams made therefrom.Type: ApplicationFiled: August 25, 2010Publication date: November 29, 2012Inventor: Jeffrey Stowell
-
Publication number: 20120302669Abstract: A phosphorous flame retardant primarily includes hexachlorotriphosphazene (HCP) having poly(oxyalkylene)amine substitutes. The poly(oxyalkylene)amine includes at least two end groups. The phosphorous flame retardant can further include layered silicate clay. The layered silicate clay can be intercalated and modified with the poly(oxyalkylene)amine substitutes of HCP to effectively promote thermal stability. The flame retardant, phosphazene-poly(oxyalkylene)amine adducts, can be applied to a polymer. By the cross-linking between them, the flame-retarding property of the polymer can be improved. Also provided is a method for producing the flame retardant of phosphazene-poly(oxyalkylene)amine adducts and application thereof to a polymer.Type: ApplicationFiled: August 6, 2012Publication date: November 29, 2012Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Jiang-Jen Lin, Yu-Min Chen, Yi-Lin Liao
-
Publication number: 20120298906Abstract: The invention relates to a biodegradable halogen-free flame retardants composition used for fire-safety and prevention, that limits and extinguishes fires by means of increased resistance to ignition, slowing down burning rates and the rate of heat, smoke and toxic gas release from polymers with different physical and chemical properties and structure, such as textiles, wooden materials, paper, cardboard, corrugated board, leather, cellular polystyrene, foamed polyurethane, and items made of them. The composition according to the invention contains orthophosphoric acid, urea, triethanolamine, ammonia water, polydimethylsiloxane, surfactant, which may be anionic, cationic, amphoteric, non-ionic or mixtures thereof and water.Type: ApplicationFiled: November 18, 2011Publication date: November 29, 2012Inventor: Lidia Georgieva KOSTOVA
-
Publication number: 20120292582Abstract: The invention relates to ammonium salts of 9,10-dihydro-10-hydroxy-9-oxa-10-phosphaphenanthrene-10-one or -10-oxide (DOPO-OH) of formula I: wherein X is selected from ammonia, melamine, and guanidine, as well as ring-opened hydrolyzates thereof according to the following formula II: wherein X is defined as above.Type: ApplicationFiled: April 17, 2012Publication date: November 22, 2012Applicant: Krems Chemie Chemical Services AGInventors: Thomas Zich, Fritz Freidl, Bernadette Mehofer, Michael Hönel, Johannes Artner, Manfred Döring, Michael Ciesielski
-
Patent number: 8313674Abstract: A flame-retardant polyolefin resin composition was provided excellent in flame retardance, abrasion resistance, flexibility, low-temperature characteristics, mechanical characteristics such as tensile strength and elongation at break, and heat resistance. The flame-retardant polyolefin resin composition of the present invention comprising 100 parts by weight of a polyolefin (A) and 50 to 400 parts by weight of an inorganic flame retarding agent (B), wherein the polyolefin resin composition (A) comprises 30 to 94% by weight of a polypropylene resin (A-1), 1 to 30% by weight of a low-density polyethylene (A-2) in which the number of terminal vinyl groups per 1000 carbon atoms is 0.2 or more, and 5 to 40% by weight of a modified styrene thermoplastic elastomer (A-3) that possesses 0.4% by weight or more of a carboxylic acid group or an acid anhydride group.Type: GrantFiled: August 8, 2005Date of Patent: November 20, 2012Assignee: Sun Allomer Ltd.Inventor: Kazuhisa Yasumoto
-
Publication number: 20120282490Abstract: Ethyleneamine polyphosphates are good flame retardants. Use of non viscous phase enables making modified ethyleneamine polyphosphate of enhanced thermal stability and greatly reduced waste stream. Addition of fillers such as fumed silica unexpectedly improve the flame retardance. Organic phosphates improve compatibility.Type: ApplicationFiled: October 19, 2010Publication date: November 8, 2012Inventor: Robert Valentine Kasowski
-
Patent number: 8303864Abstract: Flame-retardant plastics mouldings composed of polyphenyl sulphones (PPSUs) or of polycarbonates (PCs) are coloured with Iridoin® pigments in such a way as to have a metallic effect. The effect is resistant to the usual stresses present in an aircraft cabin and complies with the respective fire-protection requirements.Type: GrantFiled: June 16, 2005Date of Patent: November 6, 2012Assignee: Evonik Rohm GmbHInventor: Detlef Bumann
-
Patent number: 8303835Abstract: Compositions useful for conferring a flame-retardant finish on polyester materials by means of an exhaust process comprise a triester of phosphoric acid, a polyester and an amine or ammonium salt as well as water.Type: GrantFiled: June 5, 2009Date of Patent: November 6, 2012Assignee: Huntsman Textile Effects (Germany) GmbHInventors: Salman Dermeik, Karl-Heinz Lemmer, Reinhold Braun, Walter Nassl
-
Patent number: 8287779Abstract: The invention relates to a fire retardant product. The invention comprises using at least one aluminosilicated polymer of the imogolite type or allophane type as a fire retardant. The invention can particularly be used in the field of fire retardant products.Type: GrantFiled: February 9, 2009Date of Patent: October 16, 2012Assignee: Commissariat a l'Energie Atomique et aux Energies AlternativeInventor: Olivier Poncelet
-
Patent number: 8277703Abstract: The smoke suppressant comprises a molybdate precipitate on the surface of a borate core. The precipitate increases surface area of the core and provides improved smoke suppression relative to a mixture of the molybdate and borate core. The suppressants can be incorporated into polymer compositions to improve their smoke suppression capability.Type: GrantFiled: April 15, 2011Date of Patent: October 2, 2012Assignee: J. M. Huber CorporationInventors: Joseph K. Walker, Elmer D. Luke, Jr.
-
Publication number: 20120238657Abstract: A flexible polyurethane foam containing a flame retardant blend of at least one diester diol a ring-brominated aromatic compound and at least one epoxy resin.Type: ApplicationFiled: February 22, 2012Publication date: September 20, 2012Applicant: Chemtura CorporationInventors: Carl H. Powell, JR., Matthew D. Phillips, Stephen B. Falloon
-
Patent number: 8268940Abstract: Disclosed is a halogen- and phosphorus-free flame-retardant adhesive resin composition which can be used in heat contact bonding of adherends at or below 250° C. and is excellent in heat resistance, solder heat resistance after moisture absorption, and processability. Also disclosed is an adhesive film produced from said composition. The flame-retardant adhesive resin composition comprises 65-98% by weight of a silicone unit-containing polyimide resin and 2-35% by weight of an epoxy resin having an acenaphthylene-substituted naphthalene skeleton. The adhesive film produced from the flame-retardant adhesive resin composition is suitable as an adhesive for a laminate for a multiplayer printed circuit board substrate, an adhesive for a hybrid circuit board substrate, and an adhesive for a coverlay film.Type: GrantFiled: March 6, 2008Date of Patent: September 18, 2012Assignee: Nippon Steel Chemical Co., Ltd.Inventors: Akira Mori, Kiwamu Tokuhisa, Kazuhiko Nakahara, Masashi Kaji
-
Patent number: 8263693Abstract: The present invention provides a flame retardant resin composition comprising (A) 100 weight part of a basic resin comprising acrylonitrile-butadiene-styrene copolymer resin and styrene-acrylonitrile copolymer resin; and (B) 10-30 weight part of a bromine-based organic compound flame retardant, and selectively comprising (C) 1-20 weight part of an antimony-based auxiliary flame retardant and (D) 1-10 weight part of one or more compounds selected from the group consisting of metalstearate and stearamide compounds, wherein the bromine-based organic compound flame retardant (B) is octabromodiphenyl ethane. The flame retardant resin composition of the present invention has excellent flame retardancy, impact strength and melt flow index.Type: GrantFiled: August 29, 2008Date of Patent: September 11, 2012Assignee: LG Chem, Ltd.Inventors: You-seok Seo, Ki-young Nam, Yong-yeon Hwang, Je-sun Yoo, Hyeon-gook Kim, Myeong-soo Song
-
Publication number: 20120184657Abstract: An additive composition comprises a plurality of first particles and a metal hydroxide compound. A polymer composition comprises a polymer, a plurality of first particles, and a metal hydroxide compound. The first particles comprise a magnesium oxysulfate compound.Type: ApplicationFiled: November 26, 2011Publication date: July 19, 2012Inventors: K. David Lake, JR., Normand P. Miron
-
Patent number: 8221658Abstract: The invention relates to mixtures of diorganylphosphinic acids and carboxylic acids of the formula [cationn+(phosphinate?)x(carboxylic acid anionz?1/z)y] where n=from 1 to 4 x=from 0.01 to n?0.01 y=n?x z=from 1 to 4, where “cation” means an element of the second main and/or transition group, an element of the third main and/or transition group, an element of the fourth main and/or transition group, an element of the fifth main and/or transition group, an element of the sixth transition group, an element of the seventh transition group, and/or an element of the eighth transition group, “phosphinate” means the anion of diorganylphosphinic acids of the formula where R1 and R2 are identical or different and, independently of one another, are H, C1-C6-alkyl, linear or branched, and/or aryl, and/or hydroxyalkyl, and “carboxylic acid anion” means C1-C18 carboxylic acid anions. The invention also relates to processes for their production, and to their use.Type: GrantFiled: November 21, 2008Date of Patent: July 17, 2012Assignee: Clariant Finance (BVI) LimitedInventors: Harald Bauer, Werner Krause, Wolfgang Wanzke
-
Patent number: 8222329Abstract: Disclosed herein is a symmetric cyclic phosphonate compound represented by the following Formula 1, a method of preparing the same and a flame retardant styrenic resin composition including the same: wherein R1 and R2 are each independently hydrogen, C1-C6 alkyl or C6-C20 aryl. The styrene resin composition employing the symmetric cyclic phosphonate compound exhibits good flame retardancy and impact strength, does not release halide gas during preparation or combustion of the resin composition, and thus is environmentally friendly.Type: GrantFiled: February 5, 2010Date of Patent: July 17, 2012Assignee: Cheil Industries Inc.Inventors: Beom Jun Joo, Sang Hyen Hong, Min Soo Lee, Byun Kun Lee
-
Publication number: 20120175573Abstract: Disclosed are new compositions consisting of polyphosphonates and specific additive compositions that exhibit superior resistance to degradation due to exposure to air, high temperature and air, moisture or combinations thereof. Also disclosed are polymer mixtures or blends comprising these polyphosphonates/additive compositions and commodity and engineering plastics and articles produced therefrom. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof.Type: ApplicationFiled: January 6, 2012Publication date: July 12, 2012Applicant: FRX POLYMERS, INC.Inventors: Dieter Freitag, Pin Go, Gad Stahl
-
Publication number: 20120171460Abstract: Disclosed are oligomeric phosphonates, and in particular, hyperbranched oligophosphonates, that include oligophosphonates, random or block co-oligo(phosphonate ester)s and co-oligo(phosphonate carbonate)s produced using a condensation process terminated with hydroxyl, epoxy, vinyl, vinyl ester, isopropenyl, isocyanate groups, and the like. These materials can be used as a reactive additive to other polymers, oligomers or monomer mixtures to impart flame resistance without diminishing melt processability which is important in the fabrication of polymers for many applications.Type: ApplicationFiled: December 22, 2011Publication date: July 5, 2012Applicant: FRX POLYMERS, INC.Inventors: Dieter FREITAG, Jan-Pleun LENS, Lawino KAGUMBA
-
Patent number: 8212073Abstract: This invention relates to flame barrier compositions as well as a method for the preparation of the flame barrier compositions formed from a flame retardant composition and water. A protective barrier comprises a flame barrier composition or a flame barrier polymer on top of a layer or sandwiched between two or more layers of glass, wood, paper, polymer films, and other layered materials as well as mixtures of layers.Type: GrantFiled: November 29, 2004Date of Patent: July 3, 2012Inventor: Robert Valentine Kasowski
-
Publication number: 20120153242Abstract: Foamable elastomeric formulations are described that are suitable for producing polymer foams with insulation and vibration damping properties and the fire retardancy required for internal aircraft panels.Type: ApplicationFiled: June 24, 2010Publication date: June 21, 2012Applicant: ZEPHYROS, INC.Inventors: Christophe Le Bonte, Jason Walker
-
Patent number: 8202924Abstract: Compounds consisting of an oligomer or a polymer of a 1,3,5-triazine derivative, having the general formula I: and a solvent-free process for the production of the compounds of Formula I as well as the use of the self-extinguishing oligomeric or polymeric compounds as flame retardants and light stabilizers in thermoplastic polymers such as polypropylene or regenerated cellulose or polyester.Type: GrantFiled: October 12, 2011Date of Patent: June 19, 2012Assignee: MCA Technologies GmbHInventor: Bansi Lal Kaul
-
Patent number: 8202450Abstract: A flame-retardant thermoplastic resin composition comprising at least a plant-derived resin (A) and a flame retardant (B), wherein the weight proportions of the individual components in the flame-retardant thermoplastic resin composition are: 30?W1<55.5 44.5<X1?70 wherein W1 is the percentage by mass of the plant-derived resin (A) and X1 is the percentage by mass of the flame retardant (B), and 90% by mass or more of the flame retardant (B) is composed of a metal hydrate containing an alkali metal-based substance in an amount of 0.2% by mass or less.Type: GrantFiled: July 28, 2010Date of Patent: June 19, 2012Assignee: NEC CorporationInventors: Yukihiro Kiuchi, Tsunenori Yanagisawa, Syukichi Tanaka, Makoto Soyama, Kazuhiko Inoue, Masatoshi Iji
-
Patent number: 8193272Abstract: The flame-retardant high impact vinyl aromatic resin composition of the present invention comprises (A) about 100 parts by weight of a rubber modified vinyl aromatic resin; (B) about 1 to about 30 parts by weight of a brominated diphenyl ethane mixture; and (C) about 1 to about 10 parts by weight of antimony oxide. The resin composition can have excellent fluidity as well as high impact strength and can provide a flame-retardant high impact vinyl aromatic resin composition having excellent workability and mechanical properties.Type: GrantFiled: December 1, 2009Date of Patent: June 5, 2012Assignee: Cheil Industries Inc.Inventors: Seong Ho Kong, Sung Hee Ahn, Sung Duk Hwang, In Hwan Oh, Se Bum Son, Hye Jin Lee
-
Patent number: 8188165Abstract: The present invention relates to a curable precursor of a fire-retardant, low-density and essentially halogen-free epoxy composition comprising (i) 10 to 70 weight percent of at least one organic epoxide compound with an epoxide functionality of at least one, (ii) 1 to 55 weight percent of at least one epoxide hardener, (iii) 5 to 50 weight percent of an essentially halogen-free fire-retardant system that includes a mixture of: (1) at least one compound selected from the group comprising alkaline earth metal hydroxides and aluminium group hydroxides, and (2) at least one phosphorous-containing material, (iv) 10 to 60 weight percent of a filler system capable of reducing the density of the precursor that includes a mixture of (1) at least one low-density inorganic filler having a density of between 0.1 to 0.5 g cm?3?, (2) at least one low-density organic filler having a density of between 0.01 to 0.30 g/cm?3? and being compressible.Type: GrantFiled: December 23, 2005Date of Patent: May 29, 2012Assignee: 3M Innovative Properties CompanyInventors: Sohaib Elgimiabi, Alain H. Lamon
-
Publication number: 20120123004Abstract: There is provided herein a composition comprising: (a) a flexible polyurethane foam-forming mixture and; an effective flame retarding amount of at least one non halogen-containing cyclic phosphate ester of the general formula (I): wherein R1 and R2, are the same or different, linear or branched alkyl group containing from up to about 10 carbon atoms, optionally containing heteroatom substituents, provided that R1 and R2 are not both methyl; and R3-R7 are each independently hydrogen or the same or different linear or branched alkyl group containing up to about 4 carbon atoms, optionally containing heteroatom substituents; provided that the cyclic phosphate ester is a liquid or is substantially soluble in at least one different liquid flame retardant and/or the hydroxyl-containing component of the flexible polyurethane foam-forming mixture; the cyclic phosphate ester of formula (I) contains at least 8.Type: ApplicationFiled: February 2, 2010Publication date: May 17, 2012Inventors: Jeffrey Stowell, Ronald Pirrelli, Sophia Dashevsky
-
Publication number: 20120123025Abstract: Mixtures of three types of linear, branched or cyclic phosphates are useful flame retardants, especially for thermoplastic resins or as functional additives in polymer matrices.Type: ApplicationFiled: July 5, 2006Publication date: May 17, 2012Applicant: Rhodia UK LimitedInventors: Vincent Schanen, Dwight Shamblee, Gleb Priimov, Julie Ann Salter
-
Publication number: 20120119172Abstract: The invention relates to the use of amino terminated phosphonamides and their oligomers, as flame retardant additives for a variety of polymers to impart flame retardancy while maintaining or improving processing characteristics and other important properties.Type: ApplicationFiled: November 11, 2011Publication date: May 17, 2012Applicant: FRX POLYMERS, INC.Inventors: Dieter FREITAG, Marc-Andre LEBEL, Lawino KAGUMBA, Marc E. LEBEL, Peter S. SCHULER
-
Patent number: 8178607Abstract: The present invention relates to a thermoplastic composition comprising at least aluminum hypophosphite (aluminum phosphinate), corresponding to the chemical formula Al(H2PO2)3 as halogen-free flame retardant agent, and at least a polymer based on polyamide. The flame retarded halogen-free thermoplastic molding compositions according to the invention is used to produce articles based on polyamide polymers with or without glass fiber reinforcement, which are flame retarded.Type: GrantFiled: January 7, 2004Date of Patent: May 15, 2012Assignee: Italmatch Chemicals S.p.A.Inventors: Silvestro Costanzi, Maurizio Leonardi
-
Patent number: 8173724Abstract: The invention provides a fire resistant material and a formulation thereof. The formulation comprises a liquid suspension of a modified inorganic particle and an organic component. The modified inorganic particle comprises an inorganic particle with hydroxyl groups and a surface modifier coupled to the inorganic particle via a urethane linkage, wherein the surface modifier has an ethylenically unsaturated end group. The organic component comprises a monomer, oligomer, prepolymer, polymer, or combinations thereof, capable of reacting with the ethylenically unsaturated end group.Type: GrantFiled: August 2, 2011Date of Patent: May 8, 2012Assignee: Industrial Technology Research InstituteInventors: Shou I Chen, Che I Kao, Chih-Chien Chen, Jin-Her Shen, Wei-Feng Teng, Hsiao-Pin Chiang, Kai-Wen Chang, Fan-Jeng Tsai
-
Publication number: 20120108712Abstract: The present invention relates to flame retardant polymer compositions which comprise mixtures of melamine or guanidine phenylphosphonates and mixtures with 2,2,6,6-tetraalkyl-piperidines. The mixtures are especially useful for the manufacture of flame retardant compositions based on thermoplastic polymers.Type: ApplicationFiled: June 29, 2010Publication date: May 3, 2012Applicant: BASF SEInventors: Rainer Xalter, Thomas Weiss, Michael Roth, Holger Hoppe
-
Publication number: 20120095140Abstract: The present invention relates to flame retardant polymer compositions which comprise mixtures of phosphinic acid salts and dihydro-oxa-phospho-phenantrene derivatives. The compositions are especially useful for the manufacture of flame retardant compounds based on polycondensates like polyesters, polyamides and polycarbonates.Type: ApplicationFiled: December 20, 2011Publication date: April 19, 2012Inventor: MICHAEL ROTH
-
Patent number: 8158038Abstract: A halogenated aryl ether oligomer is formed by halogenation of an aryl ether oligomer and is useful as a flame retardant for flammable macromolecular materials. Typically, the halogenated aryl ether oligomer comprises the following repeating monomeric units: wherein R is hydrogen or alkyl, especially C1 to C4 alkyl, Hal is halogen, m is at least 1, n is 0 to 3 and x is at least 2.Type: GrantFiled: October 22, 2010Date of Patent: April 17, 2012Assignee: Chemtura CorporationInventors: Larry D. Timberlake, James D. Siebecker
-
Patent number: 8153034Abstract: A composition made up of an inorganic fire-retardant having at least a bimodal distribution of particle sizes.Type: GrantFiled: September 1, 2011Date of Patent: April 10, 2012Assignee: American Thermal Holding CompanyInventors: Felix A. Dimanshteyn, Richard J. Barone