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7470734 |
Flame retardant compositions
Polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation therein of a synergistic mixture of (i.) at least one compound selected from...
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7405255 |
Solutions and dispersions of organic semiconductors
The present invention relates to solutions and/or dispersions of organic semiconductors in a solvent mixture of at least two different organic solvents, characterized in that
A. Each of the...
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7230042 |
Flame retardant polymer compositions containing hydroxylamine esters
The instant invention pertains to a thermoplastic organic polymer containing a conventional flame retardant and a hydroxylamine ester, in particular a tetraalkyl piperidine hydroxylamine ester....
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7105589 |
Flame-resistant black thermoplastic molded masses
The invention relates to thermoplastic molded masses, comprising A) 10 to 97 wt. % of at least one thermoplastic polyester, B) 1 to 30 wt. % of a flame-resistant agent combination with, based on...
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7045564 |
Flame retardants with high halogen content and low viscosity
A flame retardant formulation which is the combination of at least (1) at least one bromine-containing polyol flame retardant formed from the reaction of (a) tetrabromophthalic anhydride, (b) an...
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6953823 |
Elastomeric insulating composition for a solid propellant rocket motor
Non-asbestos elastomeric insulating materials for solid propellant rocket motors are disclosed. The insulating materials are composed of EPDM rubber, polyaramide fiber, liquid EPDM rubber,...
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6632870 |
Flame-retarted transparent plastics
Flame-retarded transparent plastic compositions comprising polyhalgenated trimethylphenyl indan. The polyhalogenated trimethylphenyl indan is a mixture of polyhalogenated trimethylphenyl indanes...
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6489390 |
Flame retardants and flame retardant compositions formed therewith
The flame retardant additive compositions comprise (a) one or more bromocycloaliphatic flame retardants; (b) one or more bromoaromatic flame retardants; and (c) one or more synthetic zeolites....
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6008283 |
Oligomeric flame retardant additive
Flame retardants comprising oligomeric bromine-containing compounds comprising aryl groups that are connected by aliphatic chains are described. Flame retardant compositions comprising the flame...
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5869560 |
Sealing materials and building components useful for clean rooms
Materials not releasing gaseous organic materials during use are used as a dry-type sealing material such as a gasket disposed upon mounting an air filter to an opening of a ceiling or the like, a...
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5674972 |
Polyamide-based formulations
This invention relates to polyamide-based formulations flame retarded with synergized brominated flame retardants and having good thermal stability.
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5593619 |
Granulated flame retardant products
This invention relates to compositions containing improved granulated hexabromocyclododecane flame retardant products, flame retardant formulations containing products, and to a process for forming...
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5476893 |
Use of nucleus-brominated phthalic acid anhydride for stabilizing thermoplastic polycarbonates against the effect of gamma-rays
The invention relates to the use of nucleus-brominated phthalic acid derivatives, optionally in combination with polyalkylene oxides corresponding to formula (V) ##STR1## in which R is H, C 1 -6...
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5447981 |
(meth) acrylic acid polymer dispersion
A poly(meth) acrylic acid dispersion with an organic solvent as outer phase, the dispersed phase particles having a low polydispersity is obtained by the free radical polymerization of (meth)...
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5395874 |
Flame retardant resin composition
A flame retardant resin composition which includes 100 weight parts of a rubber-reinforced styrene-based resin, 2.about.35 weight parts of an epoxy-oligomer of tetrabromobisphenol-A (A1),...
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5326797 |
Fire resistant roofing asphalt composition
A roofing system incorporates a fire resistant asphalt composition comprising a thermoplastic elastomer modified bitumen, a filler, a brominated diphenyl ether, antimony oxide, and zinc borate. The...
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5281648 |
Flame-retarded abs formulations with high impact strength
The impact strength of articles made from a flame-retarded formulated ABS resin containing an impact modifier is increased by forming a concentrate or masterbatch containing the flame retardant and...
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5280050 |
Color-stable polycarbonate composition resistant to gamma-radiation
A thermoplastic polycarbonate molding composition which is rendered resistant to deterioration induced by exposure to gamma radiation is disclosed. The composition is imparted an improved degree of...
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5116898 |
Flame retardant polypropylene based formulations
A flame retardant polypropylene based formulation which contains polypropylene and a flame retardant amount of decabromodiphenyl oxide and a polybrominated cycloalkane having an 8 to 12 carbon atom...
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5086098 |
Polyhaloaromatic ester flame retardants for polyolefin resins
Flame retardant compositions are provided containing at least one ester of a polyhaloaromatic acid and at least one polyolefin resin. The compositions may also contain one or more brominated and/or...
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5079283 |
Free-radical modified fire-retardant polypropylenes
A flame-retardant polypropylene composition comprises a modified polypropylene-based polymer, antimony oxide or sodium antimonate, and a halogenated organic compound or, in lieu thereof, a...
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5059650 |
Preparation of flameproofed polystyrene
A process for the preparation of flameproofed polystyrene which a) contains halohydrocarbons as flameproofing agents and which additionally contains one or more agents from the group of b)...
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5041479 |
Dispersing ignition resistant additives into carbonate polymers
A process for dispersing one or more powdered ignition resistant or flame retardant additives into carbonate polymers which comprises the steps of preparing a base concentrate having about 5 to...
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5015685 |
Preparation of tetrabromotetralin
The novel compound 5,6,7,8-tetrabromo-1,2,3,4-tetrahydro-naphthalene (tetrabromotetralin) of the formula: ##STR1## was prepared using 1,2,3,4-tetrahydro-naphthalene as the starting compound....
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4963606 |
Thermally stabilized styrenic polymer-based thermoplastic formulations
This invention relates to a styrenic polymer-based thermoplastic formulation containing a brominated cycloaliphatic flame retardant and a thermal stabilizer system comprising an organotin...
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4952624 |
Polyarylene sulfide mixtures with reduced radical formation under highly accelerated weathering
The invention relates to mixtures of polyarylene sulfides (PAS), preferably polyphenylene sulfide (PPS), and pyrenes. The mixtures show reduced radical formation under highly accelerated weathering...
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4933412 |
Method of imparting flame resistance to polyester fiber substrates
This invention relates to a flame retardant for synthetic fiber substrates and a method of imparting flame resistance to such substrates using the flame retardant. The flame retardant of this...
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4885318 |
Polyketone flame retardant composition
Flame retardant compositions comprise linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a minor quantity, relative to the polymer, of certain...
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4842781 |
Colored polarizing film and method of making same
Disclosed is a colored polarizing film having excellent durability which comprises (a) an organic polymer film or sheet and (b) at least one dichroic dye having an azo, anthraquinone, thioindigo,...
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4810743 |
UV stable, impact resistant, flame retarded ABS composition
UV stable, impact resistant, flame retarded ABS compositions are obtained by compounding ABS with nitrile rubber, surfactant, Diels-Alder adduct of 2 moles of chlorocyclopentadiene and 1 mole of...
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4801405 |
Composition for imparting fire-retardant properties to polyester fibers
There have been provided hard-to-combustion property impartation agents for polyester fibers. The agent is prepared by dissolving an alkyl cyclohexane containing bromine atoms in a solvent and...
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4786663 |
Flame retardant resin compositions
The present invention provides flame retardant resin compositions containing thermoplastic polyesters, organic halides and sodium antimonate, characterized in that the sodium antimonate has a ratio...
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4780496 |
Flame retardant thermoplastic polyolefin compositions
Normally combustible thermoplastic polyolefins such as polystyrene and polypropylene may be flame retarded without discoloration utilizing a flame retardant additive mixture comprising...
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4721746 |
Flameproofing synthetic fiber
Disclosed is a flameproofing synthetic fiber comprising a halogenated cycloalkane and at least one member selected from phosphorus compounds represented by the following general formulae (I)...
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4719258 |
Derivatives of diphenylhexafluoropropane and resins thereof
Derivatives of diphenylhexafluoropropane having the formula: ##STR1## where R is an unsubstituted or substituted alkylene, an epoxy, a silyl or alkoxysilyl group; and where X and Y are hydrogen or...
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4699734 |
Flame-retardant polyolefin compositions containing exudation inhibitor and process for producing same
The invention relates to base polyolefin compositions, and concentrates thereof adapted to be let down or diluted by addition of further polyolefin, flameproofed by incorporation therein of an...
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4552912 |
Flame retardent polyamide compositions
A glass-reinforced, fire-retardant, arc-track resistant polyamide composition characterized in that it contains: (a) at least 35% by weight of a fibre-forming polyamide, (b) 15% to 30% by...
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4548972 |
Flame retardant polyamide compositions
A reinforced, fire retardant, polyamide composition containing (a) at least 35% by weight of a fibre-forming polyamide, (b) 15 to 30%, by weight of glass fibres or particulate fillers, (c)...
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4530880 |
Granular organohalide flame retardant additive
A granular flame retardant additive is provided comprising from 70 to 99.5% by weight of an organohalide flame retardant and from 0.5 to 30% by weight of thermoplastic synthetic resin as a binder....
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4525516 |
Halogenated organic peroxides in flame retardant ethylene polymer compositions
In accordance with this invention, the formation of bubbles in a composition of (a) ethylene polymer, (b) flame retardant system, and (c) peroxide is inhibited or eliminated by employing as the...
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4504611 |
Flame retardant polyamide compositions
Polyamide compositions having improved flame retardant properties and arc tracking resistance comprises, in percent by weight, about 35 to about 76 percent polyamide; about 6 to about 10 percent...
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4447572 |
Fire retardant polyamide
Polyamides, flame retarded with a halogenated derivative and blended with a polymer blend resin being at least partially incompatible and having a lower melt viscosity than the polyamide, to...
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4388429 |
Flame retardant polymer compositions
Polyolefins such as polyethylene, polypropylene, and the like are rendered flame retardant by incorporating therein about 2-60 percent of a combination of (1) a Diels-Alder adduct of a chlorinated...
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4386165 |
Styrenic polymer foams and preparation thereof
Extruded styrenic polymer foams having improved flammability characteristics are obtained when using volatile fluid blowing agents by incorporating therein a small amount (e.g., from about 0.03 to...
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4373046 |
Flame-retardant and radiation-resistant polymer composition and a resin molded product prepared therefrom
A flame-retardant and radiation-resistant polymer composition comprising a polymer and a halogenated acenaphthylene condensate having a structural unit of the formula (I) or (II): ##STR1## (wherein...
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4371653 |
Method of improving the electrical properties of polymeric insulations containing polar additives, and the improved polymeric insulation product thereof
The electrical properties of polymeric dielectric materials or compounds including polar additives are enhanced by a method of treating the polar additives with a reactive silicone liquid, and the...
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4360616 |
Flame-retardant polyamide compositions
A flame-retardant polyamide composition is described which has good arc tracking resistance. The composition is comprised of a polyamide, a selected organic flame-retardant, melamine or derivative,...
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4346187 |
Flame retardant polypropylene compositions containing trityl synergists
Trityl compounds wherein a triphenylmethyl group is attached to oxygen, divalent sulfur, trivalent nitrogen or a halogen are effective synergists for organic bromine flame retardants in...
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4345045 |
Resin stabilizer systems of organotin sulfur-containing compounds and organic over-based complexes
A resin stabilizer composition which essentially contains: (a) an organotin sulfur-containing compound, for example, organotin mercaptides, organotin mercaptoacids,organotin mercaptoacid esters,...
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4329272 |
Flame-retardant polymers
Styrene/maleic anhydride polymers can be made more resistant to combustion by incorporation therein of minor amounts of polyvinyl chloride. The compositions can also comprise MBS, ABS and other...
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