Abstract:
The present invention discloses a thermoplastic flame-retardant alloy and a method for preparing it, composed of the following components by the shares and weights as below: 5-94 shares of ABS resin, 3-94 shares of polyester or co-polyester or the mixture of both, 1-50 shares of brominated flame retardant, 1-10 shares of synergistic flame-retardant, 0.001-30 shares of chlorinated polyethylene (CPE), 0.001-2 shares of anti-dripping agent and 0.1-6 shares of processing aid. Comparing with the ABS flame retardant presenting the prior art, the thermoplastic flame-retardant alloy features better glossness, scratch resistance, stronger ultraviolet radiation resistance and better mechanical property, thus making up for the disadvantage that the flame-retardant ABS is prone to become yellow on some occasions with high weatherability requirements. Furthermore, the preparation method of the thermoplastic flame-retardant alloy for the present invention is successive, stable and feasible.
Abstract:
A flame-retardant composition with excellent wear resistance and cold resistance, an insulated electric wire and a wiring harness using the same. The flame-retardant composition includes a base resin that has a flexural modulus of 500 MPa or more and a Charpy impact strength at −20° C. of 1 KJ/m2 or more, and a flame retardant that is a pulverized natural mineral containing magnesium hydroxide as a main ingredient. The base resin preferably contains polypropylene as a main ingredient, and the content of the magnesium hydroxide is preferably 30 to 250 parts by mass with respect to 100 parts by mass of the base resin. The insulated electric wire includes a conductor and the flame-retardant composition that covers the conductor. The wiring harness includes the insulated electric wire.
Abstract translation:具有优异的耐磨性和耐寒性的阻燃组合物,绝缘电线和使用该阻燃组合物的线束。 该阻燃组合物包括弯曲弹性模量为500MPa以上,-20℃时的夏比冲击强度为1KJ / m 2以上的基础树脂,以及含有镁的粉碎天然矿物的阻燃剂 氢氧化物为主要成分。 基础树脂优选含有聚丙烯作为主要成分,相对于100质量份的基础树脂,氢氧化镁的含量优选为30〜250质量份。 绝缘电线包括导体和覆盖导体的阻燃组合物。 线束包括绝缘电线。
Abstract:
The present invention relates to a halogen-free resin composition with high frequency dielectric property, and a prepreg and a laminate made therefrom. The halogen-free resin composition with high frequency dielectric property comprises, calculating according to the parts by weight of organic solids: (A) 10-50 parts by weight of copolymer of styrene-maleic anhydride; (B) 10-50 parts by weight of at least one compound having dihydrobenzoxazine ring; (C) 10-50 parts by weight of at least one polyepoxide; (D) 5-30 parts by weight of at least one phosphorus-containing flame retardant. Prepregs and laminates made from the resin composition have low dielectric constant, low dielectric dissipation factor, high glass transition temperature, high heat resistance, low moisture adsorption, and the technological operation is simple.
Abstract:
A thermoplastic resin composition that can have improved flowability of the present invention comprises (A) about 1 to about 98% by weight of a functional group-containing vinyl copolymer resin reactive with polyester; (B) about 1 to about 98% by weight of an aromatic vinyl graft copolymer resin; (C) about 1 to about 98% by weight of a polyester resin; and (D) about 0.5 to about 30 parts by weight of a bromodiphenyl ethane mixture, based on the total weight of a base resin comprising (A), (B) and (C). The resin composition of the present invention can have flame retardancy, excellent impact resistance, and improved flowablity.
Abstract:
Disclosed is a flame-retardant polyamide resin composition excellent in all of flame retardation, glow-wire characteristic, tracking resistance and mechanical strength, and also in anti-corrosive performance for metals, and suitably be applied to electric/electronic components having metal contacts or metal terminals, such as connectors and so forth. A flame-retardant polyamide resin composition comprising, per 100 parts by weight of polyamide resin (A), 10 to 60 parts by weight of a salt (B) of an aminotriazine compound and at least one compound selected from the group consisting of sulfuric acid, pyrosulfuric acid and organosulfonic acid, and at least one compound (C) selected from the group consisting of hindered phenol-base compound, hydrotalcite and hydroxide of alkaline earth metal, wherein the ratio of comprising (C)/(B) by weight of the component (C) and the component (B) is 0.0005 to 0.2.
Abstract:
The present invention provides a thermosetting resin composition comprising (A) a curing agent having an acidic substituent and an unsaturated maleimide group which is produced by a specific method, (B) a 6-substituted guanamine compound and/or dicyandiamide, (C) a copolymer resin comprising specific monomer units and (D) an epoxy resin and a prepreg and a laminated plate which are prepared by using the same. The thermosetting resin composition of the present invention is balanced in all of a copper foil adhesive property, a heat resistance, a moisture absorption, a flame resistance, a metal-stuck heat resistance, a relative dielectric constant and a dielectric loss tangent. They have a low toxicity and are excellent in a safety and a working environment, and therefore a prepreg and a laminated plate which have excellent performances are obtained by using the above thermosetting resin composition.
Abstract:
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.
Abstract:
A flame-retardant polyamide composition having excellent properties in mechanical properties such as toughness, in heat resistance, incombustibility and flowability in a reflow soldering process, and in heat stability during molding. There is provided a flame-retardant polyamide composition comprising 20 to 80% by mass of polyamide resin (A), 5 to 40% by mass of flame retardant with specific bromine content and molecular weight (B) and 0.5 to 10% by mass of flame retardant auxiliary agent (C) optionally together with hydrotalcite compound of specific composition (D).
Abstract:
A flame retardant resin composition which is reasonable in price and possesses superior cold resistance, wear resistance and hot-water resistance, an insulated wire and a wiring harness. The flame-retardant resin composition includes a propylene polymer including an ethylene unit within a range of 1 to 15 mass %, and magnesium hydroxide derived from a natural mineral. The content of the magnesium hydroxide is preferably within a range of 50 to 200 parts by mass with respect to 100 parts by mass of a polymer component in the composition. A styrene-type thermoplastic elastomer is preferably included in the composition. A Charpy impact value of the propylene polymer at a temperature of −20° C. is preferably 3 to 8 KJ/m2. An insulated wire includes a conductor and the flame-retardant resin composition which covers the conductor, and a wiring harness includes the insulated wire.
Abstract translation:一种阻燃树脂组合物,价格合理,具有优异的耐寒性,耐磨性和耐热水性,绝缘电线和线束。 阻燃性树脂组合物包括含有1〜15质量%的乙烯单元的丙烯聚合物和来自天然矿物的氢氧化镁。 相对于100质量份的组合物中的聚合物成分,氢氧化镁的含量优选在50〜200质量份的范围内。 苯乙烯型热塑性弹性体优选包含在组合物中。 在-20℃的温度下丙烯聚合物的夏比冲击值优选为3〜8KJ / m 2。 绝缘线包括导体和覆盖导体的阻燃树脂组合物,线束包括绝缘线。