42results about How to "Sufficient flame retardancy" patented technology

In order to provide a resin composition containing a lactic acid resin, and a molded article obtained from this resin composition which impart flame retardance to the resin composition and suppress a reduction in the molecular weight, use is made of a flame-retardant resin composition which contains a resin composition of which the major component is a lactic acid resin, and a surface-treated metallic hydroxide, wherein the surface-treated metallic hydroxide is added by 50-150 parts by mass per 100 parts by mass of the lactic acid resin.

To provide a non-crosslinked flame-retardant resin composition possessing sufficient flame retardancy, mechanical properties, flexibility and workability, and also delivering excellent heat resistance over a long period of time as it is hard to be molten when used under high temperature environment and its material is not deteriorated even if used in contact with a vinyl chloride resin material and the like, and an insulated wire and a wiring harness using the same. The composition includes (A) a non-crosslinked base resin which contains a propylene resin containing 50 wt % or more of propylene monomer and a thermoplastic resin of which a melting point is 180° C. or more, (B) a metallic hydrate, (C) a hindered phenolic antioxidant, (D) a sulfurous antioxidant, and (E) a metallic oxide. Polymethylpentene, an imidazole compound and an oxide of zinc are preferably utilized as the thermoplastic resin, the ingredients (D) and (E), respectively. The composition is used as an insulated covering material for a non-halogenous insulated wire, which is used in a wire bundle of the wiring harness.

As a novel laminated film which uses no halogen series compound and is capable of conferring in a flame-retardant adhesive composition comprising a phosphorus series compound mixed therein an even better flame-retardancy, a laminated film is proposed, provided with a resin layer on at least one face of a flame-retardant adhesive composition layer comprising a flame-retardant adhesive composition containing a thermoset-type adhesive resin composition (A), a phosphorus series compound (B) with a melting temperature of 170° C. or higher and a foaming agent (C) in an unfoamed state.

A flame-retardant resin composition comprising a biodegradable resin and flame-retardant particles having a volume average particle diameter in the range of 1 nm to 500 nm dispersed in the biodegradable resin, wherein the flame-retardant particles contain a metal hydrate and have a coating layer containing an organic compound or a polysilicone, and a flame-retardant resin-molded article comprising a biodegradable resin and flame-retardant particles having a volume average particle diameter of 1 nm to 500 nm dispersed in the biodegradable resin, wherein the flame-retardant particles comprise a metal hydrate, and the flame-retardant resin-molded article has a flame retardancy of HB or higher according to the UL-94 test.

A nonaqueous secondary battery comprising: a positive electrode; a negative electrode; and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains: a cyclic nitrogen-containing compound represented by the general formula (1):

wherein X represents an optionally branched divalent group derived from a chain saturated hydrocarbon and having 1 to 5 carbon atoms, ═C═CH₂, ═C═O, ═C═S═O, ═O or ═S, and A₁ and A₂ may be the same or different and each represent an optionally substituted methylene group, ═C═O or ═SO₂; and an amine derivative represented by the general formula (2):

wherein R₅ to R₇ may be the same or different and each represent a hydrogen atom, or an optionally substituted lower alkyl group, lower alkenyl group, lower alkoxy group, lower alkylcarbonyloxy group, lower alkylcarbonyl group, lower cycloalkyl group or aryl group.

The present invention provides a non-halogen flame-retardant base material that has flame retardancy, excellent processability and heat resistance, and excellent stability over time of the base material without using a halogen flame retardant. The non-halogen flame-retardant base material of the present invention contains: the following (A) and (B), relative to 100 parts by weight (converted to solid content) (A) vinyl cyanide-acrylic acid copolymer water-based latex, (B ) is 20-500 parts by weight (B-1) of at least one non-halogen flame retardant selected from ammonium polyphosphates, phosphoric acid esters and water-soluble ammonium phosphates and/or 20-500 parts by weight (B-2 ) non-halogen metal hydrate [However, when using (B-1) and (B-2) together, (B-1)+(B-2) = 20 to 500 parts by weight], by The base material is coated on the inner surface of the carpet and dried to obtain a vehicle or aircraft carpet.

A non-halogenous insulated wire possessing sufficient flame retardancy and excellent heat resistance, wear resistance and flexibility, and a wiring harness including the wire. The wire includes a conductor, an inside coat of one or more layers and an outermost coat, wherein the outermost coat is in the range of 10 to 100 μm in thickness and is made from a resin composition including an olefin resin with a melting point of 180° C. or more and/or an olefin resin having a —Si(X₁)(X₂)(X₃) group, by 20 wt % or more, and at least one of the layers of the inside coat is made from a resin composition including (A) an olefin resin with a melting point of 180° C. or more by 50 to 5 part weight, (B) an olefin resin by 50 to 95 part weight, and (C) a metallic hydrate by 30 to 250 part weight.

The invention relates to a cage-type diphenyl sulfone-based oligomeric silsesquioxane and a preparation method for the same, and belongs to the technical field of nanometre materials. The cage-type diphenyl sulfone-based oligomeric silsesquioxane disclosed by the invention contains 1, 2, 3, 4, 5, 6, 7 or 8 diphenyl sulfone groups. The cage-type diphenyl sulfone-based oligomeric silsesquioxane disclosed by the invention has the characteristics of being moderate and stable in reaction conditions, good in repeatability, high in productivity, short in cycle and the like, and is suitable for expanded production; and the obtained product is added in a polymer by means of blending or copolymerization and the like, and capable of improving the various performances of dielectricity, mechanical property, flame retardance, high-temperature resistance and the like of the polymer.

Disclosed are a method of producing a graft copolymer, comprising polymerizing a vinyl monomer (B) containing a polyfunctional vinyl monomer (b1) in the presence of a polyorganosiloxane rubber (A) comprising more than 20% by mass of a toluene-insoluble matter, wherein a mass percentage of the polyfunctional vinyl monomer (b1) is 11 to 19% by mass based on 100% by mass of a total amount of the polyorganosiloxane rubber (A) and the vinyl monomer (B); a graft copolymer obtained by the method; a resin composition being prepared by blending the graft copolymer with a resin and having high impact resistance and heat resistance and sufficient flame retardancy; and a molded article obtained by molding the resin composition.

Methods of processing high service temperature crosslinked thermoplastic gels are provided. The methods include combining (a) an oil-swelled physically crosslinked thermoplastic elastomer gel comprising at least one functional group configured to chemically crosslink in the presence of a crosslinker and (b) a crosslinker; maintaining the combination of the physically crosslinked thermoplastic elastomer gel and the crosslinker at a temperature at which they remain substantially unreacted; subsequently heating the combination to a temperature at which the oil-swelled physically crosslinked thermoplastic elastomer gel reacts with the crosslinker.

The invention relates to a jacket structure of a flame-retardant cable, comprising an inner jacket and an outer jacket; wherein, the outer jacket is sleeved on the outer surface of the inner jacket; the jacket structure has the advantages that the outer jacket can be connected with the outer surface of the inner jacket in a sliding manner, the outer jacket and the inner jacket are flame-retardant chlorinated polyethylene rubber jacket, flame-retardant chloroprene rubber jacket or flame-retardant chlorosulfonated polyethylene rubber jacket, and the flame-retardant chlorinated polyethylene rubber jacket adopts the flame-retardant chlorinated polyethylene rubber jacket with a oxygen index more than 35; the jacket structure of the flame-retardant cable has ingenious design and simple structure, effectively prevents that when using cables, too many mechanical damages are generated on cables so that cables are damaged completely, avoids the frequent happening of underground accidents and is applicable to the jacket structure of mine cables.

A flame retardant composition containing a phosphorous containing ammonium salt, a crosslinker, and water is provided, and its application to yarn or fabric to provide a flame retardant yarn or fabric. In a preferred embodiment, the yarn or fabric is made from a polyurethane elastomer, such as a spandex. A method to prepare the flame retardant composition and apply it to the fiber or yarn is also provided.

[problem] It is provided that an activated carbon sheet to be excellent in removability of hazardous gas component and flame retardancy.

[solution] A flame-retardant deodorizing filter comprising an activated carbon layer and a fabric formed on both sides thereof, wherein the fabric has a fiber ratio of one or more kinds selected from cellulose fibers, polyvinyl alcohol fibers, polyacrylonitrile fibers, and phenol fibers in 30% or more; a phosphorus-based flame retardant is contained in an amount of 10 to 70% by weight relative to the fabric weight; an adhesive layer is present between the activated carbon layer and the fabric; the activated carbon particles are firmly adhered by thermoplastic resin binder particles; and the weight per unit area of activated carbon is 50 to 400 g/m².

The invention discloses a thermoplastic resin composite material notebook computer C shell. The C shell is prepared from, by weight, 40 to 50 parts of carbonyl-terminated hyperbranched polycarbonate, 8 to 12 parts of waste aromatic oxadiazole fibers, 30 to 40 parts of PBT resin, 3 to 5 parts of a coupling agent, 3 to 6 parts of dimethyl carbonate oxadiazole benzotriazolyl butyl phenol sulfonate, 5 to 8 parts of graphene fibers, 4 to 6 parts of glass fibers, 1 to 2 parts of an antioxidant, 3 to 5 parts of a compatilizer and 1 to 3 parts of a lubricant. The invention further discloses a manufacturing process of the thermoplastic resin composite material notebook computer C shell. The thermoplastic resin composite material notebook computer C shell disclosed by the invention is excellent in mechanical property, good in heat resistance and heat-conducting property, good in low-temperature impact resistance and sufficient in performance stability.

The invention relates to elongated articles and polymer compositions used for preparing the elongated articles. The elongated articles comprise an inner structure/one or more elements including a static/moving current medium or communication medium; and a halogen-free polymer composition surrounding the element(s). The polymer composition includes a linear very low density polyethylene (VLDPE) composition and one or more polyolefin-elastomers. In addition, the polymer composition includes a flame retardant filler.