Abstract:
A thermoplastic composition comprises, based on the total weight of the thermoplastic composition, 10 to 45 wt.% of a poly(etherimide); 35 to 90 wt.% of a polycarbonate component comprising a polycarbonate homopolymer, a poly(carbonate- siloxane), or a combination thereof; 0.5 to 20 wt.% of a compatibilizer polycarbonate component comprising a poly(carbonate-arylate ester), a phthalimidine copolycarbonate, or a combination thereof; up to 5 wt.% of an ultraviolet light stabilizer; and 0 to 20 wt.% of TiO 2, wherein a sample of the composition has a 50% higher notched Izod impact energy value compared to the composition without the compatibilizer component.
Abstract:
A thermoplastic composition comprises, based on the total weight of the polymers in the thermoplastic composition, a polycarbonatesiloxane-arylate; 2 to 15 wt% or 2 to 8 wt% or 1 to 4 wt% of a core-shell impact modifier; a flame retardant comprising a bromine-containing polymer or oligomer effective to provide 1.5 wt% to 5 wt% of bromine; an aromatic organophosphorus compound, effective to provide 0.1 to 1 wt% of phosphorus, or a combination comprising at least one of the foregoing; and optionally 0 to 80 wt% or 0 to 60 wt% of a polyetherimide.
Abstract:
A thermoplastic composition comprises, based on the total weight of the thermoplastic composition, 10 to 45 wt.% of a poly(etherimide); 35 to 90 wt.% of a poly(carbonate-siloxane); 0.5 to 20 wt.% of compatibilizer polycarbonate component comprising a poly(carbonate-arylate ester); up to 15 wt.% of an ultraviolet light stabilizer; and 0 to 30 wt.% of TiO2; wherein a sample of the composition has a notched Izod impact energy of at least 200 J/m at 23°C measured in accordance to ASTM D256; and an at least 50% higher notched Izod impact energy value compared to the composition without the compatibilizer component measured in accordance to ASTM D256.
Abstract:
A thermoplastic composition includes: a thermoplastic polymer including from about 30 wt% to about 90 wt% poly(methyl methacrylate) (PMMA) and from about 5 wt% to about 70 wt% of a poly(carbonate-siloxane) copolymer having a siloxane content of from about 20 wt% to about 60 wt%; and a plurality of photoluminescent materials including quantum dots.
Abstract:
A quantum dot film includes at least one extruded polymer layer, the at least one extruded polymer layer including a plurality of stabilized quantum dots. The stabilized quantum dots may include one or more of the following: an encapsulation around each of the plurality of stabilized quantum dots, the encapsulation including an organic material or an inorganic material; a plurality of ligands having a length of about 5 nanometers (nm) to about 200 nm; a multi-shell structure; a shell having a thickness of about 1 to about 20 nm; and a concentration-gradient quantum dot.
Abstract:
A multi-layer film may comprise a first quantum dot layer comprising a first polymer matrix and a plurality of first quantum dots disposed therein. A second quantum dot layer may be disposed adjacent the first quantum dot layer and may comprise a second polymer matrix and a plurality of second quantum dots disposed therein. The plurality of first quantum dots may be spaced from each other within the first polymer matrix to define gaps there between. The plurality of first quantum dots may emit a first secondary light upon excitation by light produced from a light source. At least a portion of the plurality of second quantum dots may be positioned to align with the gaps defined in the first polymer matrix along an axis that is orthogonal to the first quantum dot layer and the second quantum dot layer.
Abstract:
A thermoplastic composition includes a poly(etherimide), a poly(ester-carbonate), a poly(carbonate-siloxane), a flow promoter, and a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene. The flow promoter includes units derived from styrene and acrylonitrile, preferably an acrylonitrile-butadiene-styrene, a styrene-acrylonitrile, a high rubber graft acrylonitrile- styrene- acrylate copolymer, or a combination including at least one of the foregoing. A method of making the thermoplastic composition and an article including the thermoplastic composition are also disclosed.
Abstract:
Compositions formed from a blend of polyetherimide, siloxane / bisphenol-A polyester / polycarbonate copolymer, polycyclohexylenedimethylene terephthalate, polycarbonate / siloxane copolymer, and styrene-ethylene-butadiene-styrene are disclosed that provide superior performance in terms of notched Izod impact, glass transition temperature (Tg), strength after aging, ability to withstand secondary processing conditions, and in other respects. Such compositions exceed critical-to-quality requirements for use in manufacturing components for electronic communication devices.
Abstract:
A polyetherimide composition comprises the polymerization product of a catalyzed imidization product of a 3-substituted phthalic anhydride and a sulfone diamine having improved melt stability and reduced corrosivity, and a method of manufacture thereof.
Abstract:
A foldable cover assembly includes a glass layer having a first surface, a second surface opposite the first surface, a first thickness at a first location and a second thickness at a second location, wherein the second thickness is less than the first thickness. The second thickness is further effective to provide bendability to the glass layer. The foldable cover assembly further includes an optically clear polymer film disposed on the first surface of the glass layer. The polymer film includes a thermoplastic polymer, a thermoset polymer, or a combination comprising at least one of the foregoing, wherein a 100 micrometer-thick sample of the optically clear polymer film transmits greater than 85% of visible light as determined according to ASTM D1003-00. A method for the manufacture of the foldable cover assembly is also described. The foldable cover assembly can be useful for use with an electronic device.