Abstract:
The impact strength of a thermoplastic molding composition containing aromatic polycarbonate resin is improved upon the incorporation therewith of a particular silicone rubber powder. The silicone rubber powder, added at a level of greater than 1 and less than 5 percent, contains a mixture of (a) a polydiorganosiloxane and (b) finely divided silica filler.
Abstract:
A thermoplastic molding composition comprising a resinous blend of polycarbonate, polyester and an impact modifier and an additive amount of a siloxane compound containing a pendant oxirane group is disclosed. It was surprisingly and unexpectedly discovered that unlike the corresponding compositions which contain no siloxane compound, the inventive composition is capable of being dried at low temperatures prior to molding and still maintain high impact strength.
Abstract:
An improved thermoplastic molding composition containing polycarbonate and a polyester copolymer based on cyclohexane-dimethanol, ethylene glycol and phthalic acid is disclosed. Improved thermal stability and resistance to gamma-radiation results from the incorporation of a phosphite conforming to ##STR1## where n, m, p and r are integers, and where R is H, an alkyl or an aryl group and R.sub.3 denotes an alkyl or aryl group.
Abstract:
The present invention provides a polycarbonate blend which exhibits antimicrobial behavior while retaining excellent impact strength and color when aged at elevated temperature and humidity, even at significantly increased levels of antimicrobial additive. The compositions of the present invention are based on silver sodium zirconium phosphate of the composition: NaxHyAgzZr2(PO4)3, where x+y+z=1.
Abstract translation:本发明提供了一种聚碳酸酯共混物,即使在显着提高的抗微生物添加剂水平下,在高温和高湿度下老化时,其表现出抗微生物行为同时保持优异的冲击强度和颜色。 本发明的组合物是基于磷酸锌钠,其组成为:NaxHyAgzZr2(PO4)3,其中x + y + z = 1。
Abstract:
A thermoplastic composition suitable for making articles having low gloss and good impact resistance at low temperatures is disclosed. The composition contains (A) 10 to 90 percent relative to the weight of the composition (pbw) of an aromatic (co)poly(ester)carbonate, (B) 10 to 90 pbw of first graft (co)polymer containing a graft base selected from the group consisting of polyurethane, ethylene vinyl acetate, silicone, ethylene-propylene diene rubbers, ethylene propylene rubbers, acrylate rubbers, diene rubbers, and polychloroprene, and a grafted phase, (C) 1 to 20 pbw of a linear glycidyl ester functional polymer comprising repeating units derived from one or more glycidyl ester monomers and (D) 1 to 20 pbw of a second graft (co)polymer containing a core and shell wherein the core contains an interpenetrated network of poly(meth)alkyl acrylate and polyorganosiloxane, and wherein the shell contains poly(meth)acrylate.
Abstract:
A method of managing transactions between a mobile wallet within a mobile device and a point-of-sale terminal at a merchant is disclosed and may include receiving a request for a purchase code from the mobile wallet, generating a short-term purchase code, transmitting the short-term purchase code to the mobile wallet, and receiving the short-term purchase code from the merchant.
Abstract:
The present invention provides a transparent thermoplastic molding composition made from one member selected from the group consisting of a transparent copolyestercarbonate resin, a transparent blend of a polycarbonate resin with a polyester resin, and a transparent polyester resin, from about 0.005 weight percent to about 2 weight percent, based on the weight of the composition, of a perfluoroalkylsulfonic acid salt of the formula (I): (RA—SO3−)nXn+ (I), wherein R denotes perfluorinated linear or branched carbon chain having 1 to 30 carbon atoms, A denotes a direct bond or an aromatic nucleus, n denotes an integer of 1 or 2, and X denotes a metal element selected from the first or the second column in the Periodic Table of the Elements, and from about 0 weight percent to about 5 weight percent, based on the weight of the composition, of a glycerol monostearate (GMS), wherein the transparent thermoplastic molding composition has a total transmittance according to ASTM D-1003 of greater than about 84% and an electric resistivity according to ASTM D-257 (at 277° C. after 1000 seconds electrification at 100 volts) of less than about 2.5E+06 ohm-m.
Abstract translation:本发明提供一种由选自透明共聚酯碳酸酯树脂,聚碳酸酯树脂与聚酯树脂的透明共混物和透明聚酯树脂组成的组中的一种构成的透明热塑性模塑组合物,约0.005重量%至约2重量% 基于组合物的重量百分数的式(I)的全氟烷基磺酸盐:(RA-SO 3 - )n X n +(I),其中R表示具有1至30个碳原子的全氟化直链或支链碳链, A表示直接键或芳香核,n表示1或2的整数,X表示选自元素周期表中的第一或第二列的金属元素,以及约0重量%至约5 基于组合物的重量百分比的单硬脂酸甘油酯(GMS),其中透明热塑性模塑组合物根据ASTM D-1003的总透光率为gre 大于约84%的电阻率和小于约2.5E + 06欧姆 - 米的根据ASTM D-257(在277℃下,在100伏特下电1000秒后)的电阻率。
Abstract:
A thermoplastic molding composition containing polycarbonate, polyalkylene terephthalate and an elastomeric impact modifier is disclosed. The impact modifier that exhibits pH value of less than 7 and contains less than 500 ppm of sodium ions, is characterized in its core/shell morphology, where the core contains polymerized butadiene structural units and shell contains polymerized methacrylate structural units. The core is present in an amount of 40 to 70 percent relative to the weight of the impact modifier, and the glass transition temperature of the shell is greater than 23° C. The composition is characterized in its improved surface quality and toughness at low temperatures.
Abstract:
A flame retardant thermoplastic composition having an improved level of chemical resistance is disclosed. The composition which contains about 1 to 14 pbw bromine, comprises (i) a bromine containing carbonate polymer, (ii) a thermoplastic polyester resin, (iii) a graft polymer, (iv) a phosphorous containing compound conforming toO.dbd.P--[--OCH.sub.2 C(CH.sub.2 Br).sub.3 ].sub.3and optionally (v) polytetrafluoroethylene (herein PTFE).
Abstract:
A thermoplastic molding composition having improved impact strength and a process for its preparation are disclosed. The structure of the resinous component of the composition contains carbonate structural units, polyester structural units and lactone-siloxane structural units conforming to ##STR1## wherein m is 1 to 90, n is 5 to 300, R is an alkyl or a phenyl radical, p is 2 to 12 and q is 2 to 20. The preparation of the resinous component entails reactive blending in the presence of a transesterification catalyst of polycarbonate, (co)polyester and a lactone siloxane copolymer.