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| Number | Title | Issue Date |
| 7005457 | Multi-functional microencapsulated additives for polymeric compositions Multi-functional microcapsules comprising a core material including a major portion of one or more functional additives and a shell material including at least one functional additive, a method of manufacturing such multifunctional microcapsules and polymeric produc... | 02/28/2006 |
| 6822023 | Flame retardant polyolefin resin pre-expanded particles and in-mold foamed articles prepared therefrom Flame retardant polyolefin pre-expanded particles made of a resin composition comprising a polyolefin resin and a sterically hindered amine ether flame retardant, which can be molded with good moldability to give in-mold foamed articles which have an excellent flame... | 11/23/2004 |
| 6710094 | Processes for preparing patterns for use in metal castings The present invention is directed to processes for forming styrenic polymers, and their related end uses. In particular, the present invention is directed to processes for preparing patterns for use in metal castings. ... | 03/23/2004 |
| 6555591 | Foam cross-linked with metal salt and process for production The present invention has its object to provide a foam outstanding in electrification and heat insulating and sound insulating properties and has high compressive strength even when it has low density. The present invention relates to a foam comprising an... | 04/29/2003 |
| 6420442 | Flame-proofed polystyrene foamed materials Flame-retardant foam slabs are based on styrene polymers wherein from 1 to 12% by weight of expanded graphite and also, if desired, from 1 to 12% by weight of a phosphorus compound are present as flame retardants.... | 07/16/2002 |
| 6340713 | Expandable styrene polymers containing graphite particles Particulate expandable styrene polymers contain homogeneously distributed graphite particles and can be processed to give self-extinguishing foams having a density of ࣘ35 g/l.... | 01/22/2002 |
| 6303664 | Treatment for reducing residual carbon in the lost foam process The evaporative casting of molten metals has been shown to produce castings having smooth surfaces with significantly less signs of carbon deposits thereon by using an expandable vinyl aromatic polymer containing a bromine-attached aliphatic or aromatic f... | 10/16/2001 |
| 6162855 | Bauxite filler for carpet backings Naturally occurring bauxites are suitable as flame retardants and can be incorporated into polymeric carpet backings, when they are ground or pulverized to obtain a generally uniform distribution of particles predominantly less than 250 micrometers in siz... | 12/19/2000 |
| 6130267 | Fire retardant compositions The invention provides a fire retardant composition comprising a dispersion of a solid fire retardant such as melamine, ammonium polyphosphate or guanidine carbonate in a liquid organic polyisocyanate which contains dispersed polymer particles. The prefer... | 10/10/2000 |
| 6084002 | Flame retardant silicone foams A cured silicone foam exhibiting high flame resistance and forming hard chars on burning, contains from about 1 to 60 percent by weight of wollastonite mineral, based on the weight of the composition. The silicone foam can be formed from any of the curabl... | 07/04/2000 |
| 6010565 | Foamed material for fireproofing and/or insulating This invention relates to a foamed material for fireproofing and/or insulating purposes, consisting of 30 to 90 parts by weight of a solution that contains 20 to 70 wt-% Al (H2 PO4)3 and 30 to 80 wt-% water, 5 to 55 parts ... | 01/04/2000 |
| 5719199 | Flame retardant flexible foam A flexible closed cell polymeric foam contains expandable graphite as fire retardant. The foam is prepared by mixing a polymer, a curing agent, at least one blowing agent and an expandable graphite at a temperature of at least 100° C. but below a tempera... | 02/17/1998 |
| 5650448 | Flame retardant flexible foam A flexible closed cell polymeric foam contains expandable graphite as fire retardant. The foam is prepared by mixing a polymer, a curing agent, at least one blowing agent and an expandable graphite at a temperature of at least 100° C. but below a tempera... | 07/22/1997 |
| 5518807 | Pyrotechnic sheet material The invention provides pyrotechnic sheet material comprising a substrate of porous, vapour-permeable oxidizing polymeric film, for example a halogenopolymeric film, having a layer of oxidizable material for example magnesium, on at least part of its surfa... | 05/21/1996 |
| 5514726 | Polymer foams with inherent nonflammability and thermal stability and methods of preparation thereof Polymeric foams with novel chemical compositions are prepared by the condensation of specially-synthesized precursors, which contain (in addition to carbon and hydrogen) one or more of the following elements: oxygen, fluorine, nitrogen (in structures with... | 05/07/1996 |
| 5508321 | Intumescent silicone rubber composition An intumescent silicone rubber composition is provided having an expandable intumescent material present in the composition by up to 20% by weight, a polyorganosiloxane oil present in an amount from about 10% to about 40% by weight of the composition, a h... | 04/16/1996 |
| 5438079 | Method for reducing the melt flow rate of flame retardant expanded polystyrene A method for lowering the melt flow rate of flame retardant expanded polystyrene is provided. The method comprises treating the flame retardant expanded polystyrene with an aqueous solution of sodium bicarbonate. In another aspect of the present invention... | 08/01/1995 |
| 5302625 | Method for reducing the melt flow rate of flame retardant expanded polystyrene A method for lowering the melt flow rate of flame retardant expanded polystyrene is provided. The method comprises treating the flame retardant expanded polystyrene with an aqueous solution of sodium bicarbonate. In another aspect of the present invention... | 04/12/1994 |
| 5175197 | Water-based intumescent fire barrier caulk Water-based, intumescent, fire retardant material is made from, on a dry basis by weight, 100 parts of a latex such as polychloroprene latex and from 50 to 200 parts of water-insoluble intumescent mineral granules such as hydrated alkali metal silicate gr... | 12/29/1992 |
| 5173515 | Fire retardant foams comprising expandable graphite, amine salts and phosphorous polyols New particularly effective fire retardent elements based on foams and expandable graphite are characterized in that they additionally contain one or more components from the group consisting of phosphate-containing polyols, borates and amine salts.... | 12/22/1992 |
| 5171757 | Fire resistant vinylaromatic foams Flame retardant vinylaromatic thermoplastic resin compositions are provided comprising 100 parts vinylaromatic polymer, 0.1 to 2.0 parts of at least one brominated aliphatic compound, 0.5 to 3.0 parts of at least one other and different brominated organic... | 12/15/1992 |
| 5149725 | Flexible polyurethane foams with reduced dripping during burning The invention pertains to drip retardant flexible polyurethane foams prepared by the reaction of an isocyanate with a polyol resin containing a drip retardant made of either a trialkyl end-capped amine functional silicone polymer or a trialkyl end-capped ... | 09/22/1992 |
| 5137937 | Flame retardant thermoplastic resin composition with intumescent flame retardant The present invention is a flame retarded thermoplastic resin composition comprising a thermoplastic resin, optional adjuvants for the resin, and a flame retardant; the flame retardant is an amine salt of a phosphorus acid in an effective amount.... | 08/11/1992 |
| 5124363 | Aqueous air foams of polyhydroxy polymer A method of treating hazardous material or other substrate with an aqueous air foam, comprising the steps of (1) preparing an aqueous solution or dispersion comprising (a) water-soluble polyhydroxy polymer having a plurality of hydrogen-bondable 1,2- and/... | 06/23/1992 |
| 5112875 | Polystyrene having high degree of expandability, and formulation having a highly-expandable polymer therein A polystyrene polymer as well as an expandable polystyrene formulation comprises a polystyrene polymer having a particular molecular weight distribution. The polymer itself exhibits a polydispersity of from about 1 to less than 2.0, a weight average molec... | 05/12/1992 |
| 5108832 | Flexible intumescent coating composition Disclosed is an intumescent curable composition which contains as a resinous binder a flexible polyepoxide resin. The polyepoxide is cured with an appropriate curing agent adapted for the particular resin. An additive component is present which contains a... | 04/28/1992 |
| 5075414 | Resorcinol-modified phenolic resin binder for reinforced plastics A fire resistant resin for use as a binder in reinforced plastics and a resultant reinforced plastic includes the reaction product of (a) at least one resorcinol component selected from the group consisting of resorcinol and resorcinol formaldehyde novola... | 12/24/1991 |
| 5075413 | Resorcinol-modified phenolic resin binder for reinforced plastics A fire resistant resin for use as a binder in reinforced plastics and a resultant reinforced plastic includes the reaction product of (a) at least one resorcinol component selected from the group consisting of resorcinol and resorcinol formaldehyde novola... | 12/24/1991 |
| 5070119 | Flexible intumescent coating composition Disclosed is an intumescent curable composition which contains as a resinous binder a flexible polyepoxide resin. The polyepoxide is cured with an appropriate curing agent adapted for the particular resin. An additive component is present which contains a... | 12/03/1991 |
| 5064868 | Sprayable lightweight ablative coating An improved lightweight, ablative coating that may be spray applied and cured without the development of appreciable shrinkage cracks. The ablative mixture consists essentially of phenolic microballoons, hollow glass spheres, glass fibers, ground cork, a ... | 11/12/1991 |
| 5059637 | Endothermic fire protective material A water-base endothermic fire protective material comprising a heat curable thermosetting resin, inorganic fibers, an endothermic inorganic filler, and thermoplastic binder resin is disclosed. The material can vary in viscosity from a putty that is moldab... | 10/22/1991 |
| 5051452 | Process for preparing foamed vinylaromatic polymer products Novel polymeric blends comprising from 45-90% by weight of at least one vinylaromatic resinous material, 10-55% by weight of at least one vinylidene chloride polymer and, optionally but preferably, an effective amount of at least one blowing or expansion ... | 09/24/1991 |
| 5047449 | Fire protection material This material, essentially characterized in that it is flexible, employs simultaneously the two phenomena of in tumescence and endothermicity to obtain optimal protection characteristics maintaining the element to be protected at a temperature below or in... | 09/10/1991 |
| 5030663 | Process for the preparation of fire-retardant expandable thermoplastic beads Fire-retardant expandable vinyl aromatic polymer beads are prepared by an aqueous suspension method whereby a bromophenyl allyl ether fire-retardant agent and a volatile aliphatic hydrocarbon foaming agents are incorporated into particles of a thermoplast... | 07/09/1991 |
| 5026735 | Treatment of hazardous materials with aqueous air foam of polyhydroxy polymer A method of treating hazardous material or other substrate with an aqueous air foam, comprising the steps of (1) preparing an aqueous solution or dispersion comprising (a) water-soluble polyhydroxy polymer having a plurality of hydrogen-bondable 1,2- and/... | 06/25/1991 |
| 5010111 | Flame resistant, expandable styrene polymers and foams, and flame retardants Flame-resistant, expandable styrene polymers containing a styrene (co)polymer, from 0.4 to 6% by weight of hexabromocyclododecane having a mean particle size of from 1 to 50 μm, the particles being provided with a firm coating which has a thickness of fr... | 04/23/1991 |
| 4994499 | Method of adding flame retardant to vinyl aromatic polymers made in a one-step process A method of introducing flame retardants into expandable vinyl aromatic polymer beads made in a one-step process is disclosed. Flame retardants with good solubility in blowing agents are introduced after monomer conversion is substantially complete, resul... | 02/19/1991 |
| 4992482 | Polyphenylene ether - alkenyl aromatic polymer blends having organobromine additives Certain organobromines are added to blends of polyphenylene ether and alkenyl aromatic polymer to reduce mold cool time of the composition. These organobromines also reduce residual blowing agent in the composition after expansion and especially following... | 02/12/1991 |
| 4980382 | Process for the preparation of expandable vinyl aromatic polymer particles containing hexabromocyclododecane Fire-retardant expandable vinyl aromatic polymer beads are prepared by an aqueous suspension method whereby micronized hexabromocyclododecane and a volatile aliphatic hydrocarbon foaming agent are incorporated into particles of a thermoplastic such as pol... | 12/25/1990 |
| 4973610 | Expandable styrene polymers Expandable styrene polymers which contain a C3 -C6 -hydrocarbon as a blowing agent, an organic bromine compound as a flameproofing agent and small amounts of ammonium salt and of an organic amine give, on expansion, foams which have ... | 11/27/1990 |
