Abstract:
Provided is a sealant for electrical and electronic parts having excellent fire resistance and adhesiveness, and provided are a method for manufacturing a sealant for electrical and electronic parts suitable therefor and a resin composition for sealing electrical and electronic parts. A resin composition for sealing electrical and electronic parts containing: a polyester (A) obtained by copolymerizing a polyalkylene glycol component and/or a polylactone component; an epoxy resin (B); a polyolefin resin (C); and a phosphoric acid ester (D).
Abstract:
The present invention provides: a flame-retardant thermoplastic polyester resin composition which provides a molded article having excellent tracking resistance and excellent mechanical characteristics, while maintaining high flame retardancy; and a molded article which is obtained by molding the flame-retardant thermoplastic polyester resin composition. A flame-retardant thermoplastic polyester resin composition of the present invention contains 1-70 parts by weight of two or more (C) phosphorus-containing flame retardants that are selected from the group consisting of (C-1) condensed phosphoric acid esters, (C-2) phosphazene compounds and (C-3) organic metal phosphinates and 1-90 parts by weight of (D) a nitrogen-containing flame retardant per 100 parts by weight of the total of 50-95 parts by weight of (A) a thermoplastic polyester resin and 5-50 parts by weight of (B) a methacrylic resin.
Abstract:
Composition comprising as the polymer base - around 40 to 75% w/w of at least one polypropylene-based elastomer and - around 25 to 60% w/w of at least one random copolymer polypropylene.
Abstract:
Disclosed herein are a thermoplastic resin composition and a molded article produced therefrom. The thermoplastic resin composition includes a thermoplastic resin, an inorganic filler, and a maleic anhydride (MAH)-grafted rubber, and has a coefficient of linear expansion from 20×10 -6 cm/cm°C to 35×10 -6 cm/cm°C, as measured in accordance with ASTM D696. The thermoplastic resin composition exhibits low shrinkage, excellent impact resistance and excellent flexural modulus, and has good balance therebetween.
Abstract translation:本文公开了一种热塑性树脂组合物和由其制备的模塑制品。 热塑性树脂组合物包括热塑性树脂,无机填料和马来酸酐(MAH)接枝橡胶,线膨胀系数为20×10 -6 cm / cm 3〜35×10 -6 cm / cm 3,根据ASTM D696测量。 热塑性树脂组合物的收缩率低,耐冲击性优异,弯曲弹性模量优异,并且在其间具有良好的平衡。
Abstract:
The present invention relates to a thermoset resin composition, and a prepreg and a laminate for a printed circuit board manufactured therefrom. The thermoset resin composition comprises the following components: a phosphorus-containing polyphenyl ether resin having low molecular weight, an epoxy resin, a cyanate resin and an accelerator. The prepreg manufactured using the resin composition comprises a base material and the thermoset resin composition adhered to the base material by impregnation and drying. The laminate for a printed circuit board manufactured using the resin composition comprises a plurality of laminated prepregs, a metal foil covering one or two faces of the laminated prepregs by pressing, with each prepreg comprising a base material and the thermoset resin composition adhered to the base material by impregnation and drying. The thermoset resin composition of the present invention has properties such as a low dielectric constant and a dielectric dissipation factor, high heat resistance, a high glass transition temperature, and flame retardancy, etc. The laminates for a printed circuit board manufactured using same have excellent metal foil peel strength, heat resistance and dielectric properties, and are suitable for high frequency and high speed electronic circuit boards.
Abstract:
A process for preparing a cured composite material useful for radio frequency filter applications comprising the steps of: (a) providing a curable thermoset epoxy resin composition comprising (i) at least one epoxy resin; (ii) at least one toughening agent; (iii) at least one hardener; and (iv) at least one filler, (b) curing the curable thermoset epoxy resin composition of step (a) to form a cured composite; wherein the curable thermoset epoxy resin composition upon curing provides a cured composite product with a balance of properties comprising Tg, coefficient of thermal expansion, tensile strength, thermal conductivity; and having a density of less than 2.7 g/cc; and (c) coating at least a portion of the surface of the cured composite of step (b) with an electrically conductive metal layer to form a metalized coating on at least a portion of the surface of the cured composite. The cured composite material may be useful as a radio frequency cavity filter body housing for radio frequency filter applications.
Abstract:
The present invention relates to impact-modified glass-fiber reinforced polycarbonate compositions having high stiffness, improved thermal and rheological behavior in combination with good flame-retardant properties. The present invention further relates to the use of the compositions according to the invention for the production of thin-walled housing parts or switch boxes in the EE sector.
Abstract:
There is provided an insulated electric wire for an automobile capable of suppressing a decrease in the flame retardancy with reducing the amount of the metal hydrate flame retardant such as magnesium hydroxide to be added, improving an ASR recycling rate, and suppressing a decrease in properties. The present invention relates to an insulated electric wire for an automobile containing a conductor and an insulating coating layer which coats the conductor, the insulating coating layer being formed of a non-crosslinkable resin composition containing 65 to 90 parts by weight of a polypropylene-based resin, 10 to 40 parts by weight of a metal hydrate, 20 to 50 parts by weight of a bromine-based flame retardant, 5 to 30 parts by weight of antimony trioxide, and 2 to 15 parts by weight of a maleic acid-modified resin in the ratio and further containing at least one of 3 to 10 parts by weight of a polyethylene resin and 2 to 10 parts by weight of an ethylene-based copolymer.
Abstract:
A marine vehicle component wherein the component is a partition or a light cover, and wherein the marine vehicle component is molded or formed from a thermoplastic polymer composition including a siloxane-containing copolymer in an amount effective to provide a total of 0.2 to 6.5 wt% of siloxane units based on the total weight of the polymers in the thermoplastic polymer composition, a bromine-containing polymer in an amount effective to provide 9 to 13 wt% of bromine, based on the total weight of the polymers in the thermoplastic polymer composition, and optionally a third polymer, wherein the wt% of the siloxane-containing copolymer, the bromine-containing polymer, and the optional third polymer, sum to 100 wt%, and 0.05 to 10 wt% of a light diffuser additive, based on the total weight of polymers in the thermoplastic polymer composition.
Abstract translation:一种聚(硅氧烷)共聚物组合物,其包含:包含第一重复单元的第一聚合物和聚(硅氧烷)嵌段单元,不同于第一聚合物并包含溴的第二聚合物; 和任选的一种或多种不同于第一聚合物和第二聚合物的第三聚合物; 其中硅氧烷单元以至少0.3重量%的量存在于组合物中,并且溴以至少7.8重量%的量存在于组合物中,各自基于第一,第二, 和任选的一种或多种第三聚合物; 并且其中由所述组合物模制的制品具有OSU集成的2分钟热释放试验值小于65kW-min / m 2且峰值放热速率小于65kW / m 2,以及E662烟雾试验Dmax值 小于200。