摘要:
There is disclosed a flame retardative polycarbonate resin composition which comprises 100 parts by weight of an aromatic polycarbonate resin (A), 0.01 to 0.5 part by weight of an alkali/or alkaline-earth metal salt of a perfluoroalkanesulfonic acid (B), 0.03 to 5 parts by weight of an organopolysiloxane containing organoxysilyl group bonded to a silicon atom through a divalent hydrocarbon group (C), and optionally 5 to 120 parts by weight of an inorganic filler. The above composition has excellent flame retardancy capable of preventing dripping thereof at the time of combustion of a thin-walled material made from the highly fluidized composition while maintaining the dimensional stability and the mechanical properties such as impact resistance that are inherent in polycarbonate.
摘要:
The present invention provides a thermoplastic resin composition containing (A) a resin mixture including (a-1) a polycarbonate resin in an amount of 45 to 97% by mass and (a-2) a fatty acid polyester in an amount of 55 to 3 % by mass, and (B) a rubber-like elastomer in an amount of 0.5 to 20 parts by mass per 100 parts by mass of the resin mixture, wherein component (B) is dispersed in an interface between ingredient (a-1) and ingredient (a-2) or in domains of ingredient (a-2). The composition has high impact characteristics and high fluidity and overcomes appearance defects such as pearl-like gloss and jetting marks.
摘要:
The present invention provides a thermoplastic resin composition containing 100 parts by mass of a mixture of a thermoplastic resin (A) and carbon nanotubes (B), the mixture comprising the component (A) in an amount of 20 to 99.95 mass % and the component (B) in an amount of 0.05 to 20 mass %; a flame retardant (C) in an amount of 0.05 to 30 parts by mass; and a polyfluoroolefin resin in an amount of 0 to 2 parts by mass.The flame retardant is preferably a phosphorus compound, and the thermoplastic resin preferably contains, as a component, an aromatic polycarbonate-polyorganosiloxane copolymer.
摘要:
Provided is a polycarbonate resin composition having high rigidity, high flowability, high heat resistance, and excellent flame retardancy and molded articles with good appearance using the polycarbonate resin composition. The polycarbonate resin composition comprises 4 to 50 parts by mass of a nonmetallic inorganic filler (B) and 0.01 to 1 part by mass of a phosphate compound (C) relative to 100 parts by mass of a resin mixture (A) which is composed of 60 to 97% by mass of an aromatic polycarbonate resin (a-1) and 40 to 3% by mass of a fatty acid polyester (a-2).
摘要:
There is provided an aromatic polycarbonate resin composition having excellent flame retardancy, mechanical properties and fluidity and affording a thin-walled molded article.The aromatic polycarbonate resin composition includes a resin component containing (A) 90 to 99.5% by mass of an aromatic polycarbonate resin and (B) 10 to 0.5% by mass of a polyorganosiloxane-containing graft copolymer, and, compounded in 100 parts by mass of the resin component, (C) 0.1 to 5 parts by mass of a bisphenol type epoxy compound and (D) 0.05 to 2 parts by mass of polytetrafluoroethylene capable of forming fibrils, wherein the polyorganosiloxane-containing graft copolymer in the resin composition has a dispersion average particle diameter of 0.1 to 1.0 μm. The molded article has a section with a thickness of 1 mm or less and is obtainable by molding the aromatic polycarbonate resin composition.
摘要:
A flame-retardant polycarbonate resin composition comprising 100 parts by weight of a resin mixture of (A) from 60 to 99% by weight of a polycarbonate resin and (B) from 1 to 40% by weight of a styrenic resin, and from 0.1 to 10 parts by weight of (C) a functional group having silicone compound, and from 0.02 to 5 parts by weight of (D) a fluoro-olefin resin.
摘要:
A flame-retardant polycarbonate resin composition comprising either a resin mixture of a polycarbonate resin and a styrenic resin, a functional group-having silicone compound, and a fluoro-olefin resin; or a polycarbonate resin, a functional group-having silicone compound, and a core/shell-type, grafted rubbery elastomer; or a resin mixture of a polycarbonate resin and a styrenic resin, a fluoro-olefin resin, an inorganic filler, and a polycarbonate-polyorganosiloxane copolymer and/or a functional group-having silicone resin, which composition and its moldings, exhibit good flame retardance, good impact resistance, and good thermal stability.
摘要:
Provided are a flame-retardant polycarbonate resin composition containing a phosphate compound as the flame retardant, and also injection moldings of the composition. The composition has good moldability, and its moldings have good phosphate mold-deposits resistance and good mold releasability. In particular, when containing a styrenic resin, the composition has much better melt fluidity, and its moldings have improved impact resistance and flame retardancy. The composition comprises 100 parts by weight of a resin or resin mixture of (A) from 20 to 100% by weight of a polycarbonate resin and (B) from 0 to 80% by weight of a styrenic resin, from 1 to 30 parts by weight of (C) a phosphate compound having a melting point of not lower than 70° C., and from 0.1 to 10 parts by weight of (D) at least one member selected from the group consisting of polyglycerins, polyalkylene glycols, esters of polyglycerins, esters of polyalkylene glycols and polyesters of polycarboxylic acids with polyalcohols.
摘要:
An object of the invention is to provide a flame-retardant polycarbonate resin composition which can provide a sliding property of a molding product formed of a flame-retardant resin composition obtained by blending a polycarbonate resin and a styrene resin with a phosphate ester compound and having a good flowability without decreasing an appearance of a molding product. The invention relates to a flame-retardant polycarbonate resin composition including 100 parts by weight of a resin composed of (A) from 60 to 99% by weight of a polycarbonate resin and (B) from 40 to 1% by weight of a styrene resin, (C) from 1 to 30 parts by weight of a phosphate ester compound and (D) from 0.3 to 3 parts by weight of a silicone oil having a viscosity of from 1,000 to 20,000 cs.
摘要:
The present invention provides a thermoplastic resin composition comprising 100 mass parts of a polycarbonate resin composition comprising 50 to 95 mass % of (A) a polycarbonate resin and 50 to 5 mass % of (B) a polylactic acid based resin and 5 to 65 mass parts of (C) a vinyl based graft copolymer. The above thermoplastic resin composition comprising the polycarbonate resin and the lactic acid based resin and endowed with a mechanical characteristic of polycarbonate and an excellent fluidity of polylactic acid in combination is improved in a hydrolysis resistance and provides a molded article further improved in an impact resistance and a thin-walled falling weight impact strength. A rise in the above characteristics makes it possible to use the plastic molded articles over a long period of time, and not only the thin-walled molding property and the portability are improved, but also the thermoplastic resin composition of the present invention can industrially advantageously be used as well for large-sized molded articles. In the thermoplastic resin composition of the present invention, use of the polycarbonate-polyorganosiloxane copolymer as the polycarbonate resin component makes it possible to improve as well the flame retardancy and advantageously use the thermoplastic resin composition of the present invention for office automation equipments, information and communication equipments, car parts, building components, home electric appliances and the like.