Abstract: The present invention related to a film comprising multiple co-extruded film layers, the film having a length and a width, and a thickness defined as the dimension of the film perpendicular to the plane defined by the length and the width, wherein the film is a bi-axially oriented film comprising at least a core layer A, having a first and a second surface, and one or two sealing layer(s) B, wherein the core layer A comprises a polypropylene, and wherein the sealing layer B comprises >50.0 wt % of a polyethylene comprising moieties derived from ethylene and moieties derived from an ?-olefin comprising 4 to 10 carbon atoms, the polyethylene having a density of ?870 and ?920 kg/m3 as determined in accordance with ASTM D1505 (2010), with regard to the total weight of the sealing layer B, wherein the sealing layer B directly adheres to one of the first or second surface of the core layer A.

Abstract: A polypropylene composition includes (A) a polypropylene, (B1) a first copolymer of ethylene and ?-olefin having a density of 0.891 to 0.912 g/cm3, and (B2) a second copolymer of ethylene and ?-olefin having a density in the range of 0.859 to 0.881 g/cm3, wherein the amount of (A) the polypropylene is in the range from 71 to 87 wt % based on the total amount of the polymer composition, and wherein the ratio between the amount of the (B2) second copolymer of ethylene and ?-olefin and the amount of the (B1) first copolymer of ethylene and ?-olefin is in the range from 3.8 to 1.0. The polypropylene composition has improved stress whitening resistance. A battery case including the polypropylene composition is also disclosed.

Abstract: A pipe- or tube-shaped article having an innermost layer, wherein the innermost layer has a thickness of 0.001 to 100 mm and comprises a polyolefin composition comprising a) a propylene-ethylene copolymer, wherein the amount of repeat units derived from ethylene is 1 to 20 wt % based on the weight of the propylene-ethylene copolymer and wherein the propylene-ethylene copolymer has a density of at most 0.9 g/cm3 as determined by ASTM D1505 and b) an olefin polymer selected from high-density polyethylene (HDPE), linear low density polyethylene (LLDPE), polypropylene (PP) and combinations thereof.

Abstract: The present invention relates to a thermoplastic material, wherein the thermoplastic material comprises ethylene-based polymer material, wherein the ethylene-based polymer material has a Vicat softening temperature of ?50° C. as determined in accordance with ISO 306 (2013), method A50, and a weight loss as determined on a compression moulded sheet according to ISO 15527 (2010), Annex B, using silica sand/water slurry with a mass ratio of 3:2, test duration 7 h, of ?0.50 wt %. The invention also relates to a slurry transportation pipe comprising the thermoplastic material as its inner layer, or consisting of the thermoplastic material.

Abstract: A film includes a sealing layer containing a polyethylene A having moieties derived from ethylene and moieties derived from an ?-olefin comprising 4 to 10 carbon atoms, the polyethylene A having a density of ?870 and ?920 kg/m3, wherein the polyethylene A has: a fraction of material that is eluted in analytical temperature rising elution fractionation (a-TREF) at a temperature ?30.0° C. of ?5.0 wt % and ?15.0 wt %, with regard to the total weight of the polyethylene; and two distinct peaks in the a-TREF curve in the elution temperature range of between 50.0 and 90.0° C., wherein the elution temperature gap between the two peaks is ?17.5° C. The film can be sealed at a desirably low temperature, whilst still having a desirable seal strength. Furthermore, the film demonstrates a desirably high heat stability.

Abstract: The present disclosure belongs to the technical field of water body treatment, and particularly relates to a method for enhancing biological denitrification based on the addition of exogenous ?-cyclodextrin. Preferably, Paracoccus denitrificans and ?-cyclodextrin are added for biological denitrification enhancement. In the present disclosure, the ?-cyclodextrin is exogenously added to a denitrifying medium to construct a denitrification system, so that the denitrification rate of microorganisms may be increased and the production of harmful denitrification intermediate products is reduced.

Abstract: The invention relates to composition comprising (A) a propylene-based polymer, (B1) a first elastomer of ethylene and ?-olefin comonomer having 4 to 10 carbon atoms, (B2) a second elastomer of ethylene and ?-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (B1) the first elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 5 to 50 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein (B2) the second elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 0.55 to 4 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the total amount of (B1) the first elastomer and (B2) the second elastomer is 2 to 30 wt % based on the total composition, wherein the amount of (C) the inorganic filler is 0.1 to 30 wt % based on the total composition.

Abstract: The present invention related to a film comprising multiple co-extruded film layers, the film having a length and a width, and a thickness defined as the dimension of the film perpendicular to the plane defined by the length and the width, wherein the film is a bi-axially oriented film comprising at least a core layer A, having a first and a second surface, and one or two sealing layer(s) B, wherein the core layer A comprises a polypropylene, and wherein the sealing layer B comprises >50.0 wt % of a polyethylene comprising moieties derived from ethylene and moieties derived from an ?-olefin comprising 4 to 10 carbon atoms, the polyethylene having a density of >870 and <920 kg/m3 as determined in accordance with ASTM D1505 (2010), with regard to the total weight of the sealing layer B, wherein the sealing layer B directly adheres to one of the first or second surface of the core layer A.

Abstract: The invention relates to composition comprising (A) a propylene-based polymer, (B1) a first elastomer of ethylene and ?-olefin comonomer having 4 to 10 carbon atoms, (B2) a second elastomer of ethylene and ?-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (B1) the first elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 5 to 50 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein (B2) the second elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 0.55 to 4 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the total amount of (B1) the first elastomer and (B2) the second elastomer is 2 to 30 wt % based on the total composition, wherein the amount of (C) the inorganic filler is 0.1 to 30 wt % based on the total composition.

Abstract: A pipe- or tube-shaped article having an innermost layer, wherein the innermost layer has a thickness of 0.001 to 100 mm and comprises a polyolefin composition comprising a) a propylene-ethylene copolymer, wherein the amount of repeat units derived from ethylene is 1 to 20 wt % based on the weight of the propylene-ethylene copolymer and wherein the propylene-ethylene copolymer has a density of at most 0.9 g/cm3 as determined by ASTM D1505 and b) an olefin polymer selected from high-density polyethylene HDPE), linear low density polyethylene (LLDPE), polypropylene (PP) and combinations thereof.

Abstract: Disclosed herein is a flame retardant composition comprising 20 to 80 weight percent of a polycarbonate; 1 to 20 weight percent of a halogenated phenoxyphosphazene flame retardant, where all weight percents are based on a total weight of the flame retardant composition. Disclosed herein too is a method comprising blending a 20 to 80 weight percent of a polycarbonate; and 1 to 20 weight percent of a halogenated phenoxyphosphazene flame retardant to produce a flame retardant composition, where all weight percents are based on a total weight of the flame retardant composition.

Abstract: In various aspects, the disclosure relates to reinforced thermoplastic compositions exhibiting improved physical properties as well as thin wall flame resistance. The reinforced thermoplastic compositions comprise polycarbonate polymer, a filler, and a polyolefin elastomer.

Abstract: Provided herein are test elements useful in medical applications, such as glucose testing strips. The test elements have improved mechanical properties and improved processing characteristics as compared to existing test elements.

Abstract: This disclosure relates to halogen-free flame retardant polycarbonate/thermoplastic polyester molding compositions with improved mechanical properties and increased polyester loading level. More particularly, the disclosure relates to halogen-free polycarbonate/thermoplastic polyester resin alloys with polymeric phosphorus flame retardant additive and siloxane impact modifier. Also included are methods for preparing such compositions and articles there from.

Abstract: In an embodiment, a composition comprises, based on the total weight of the composition, 55 to 85 wt % of a polycarbonate; 10 to 25 wt % of an organopolysiloxane-polycarbonate block copolymer; 5 to 15 wt % of a phosphine oxide; and 0 to 3 wt % of an impact modifier. In another embodiment, a method of making a composition comprises extruding a mixture to form a composition comprising, based on the total weight of the composition, 55 to 85 wt % of a polycarbonate; 10 to 25 wt % of an organopolysiloxane-polycarbonate block copolymer; 5 to 15 wt % of a phosphine oxide; and 0 to 3 wt % of an impact modifier comprises extruding the polycarbonate, the organopolysiloxane-polycarbonate block copolymer, and the phosphine oxide to form the composition.

Abstract: A polymer composition includes: about 20 wt % to about 80 wt % of a polycarbonate polymer; about 1 wt % to about 20 wt % of a polycarbonate-siloxane copolymer; about 15 wt % to about 35 wt % of a reinforcing filler having a tensile modulus of at least about 150 GPa; and about 4 wt % to about 20 wt % of a flame retardant comprising phosphorous. The polymer composition demonstrates a flexural modulus in an amount equal to or greater than about 10 GPa. Methods of forming a polymer composition and blended thermoplastic compositions are also described.

Abstract: Disclosed herein is a flame retardant composition comprising 20 to 80 weight percent of a polycarbonate; 1 to 20 weight percent of a halogenated phenoxyphosphazene flame retardant, where all weight percents are based on a total weight of the flame retardant composition. Disclosed herein too is a method comprising blending a 20 to 80 weight percent of a polycarbonate; and 1 to 20 weight percent of a halogenated phenoxyphosphazene flame retardant to produce a flame retardant composition, where all weight percents are based on a total weight of the flame retardant composition.

Abstract: In various aspects, the disclosure relates to reinforced thermoplastic compositions exhibiting improved physical properties as well as thin wall flame resistance. The reinforced thermoplastic compositions comprise polycarbonate polymer, a filler, and a polyolefin elastomer.

Abstract: A polymer composition includes: about 20 wt % to about 80 wt % of a polycarbonate polymer; about 1 wt % to about 20 wt % of a polycarbonate-siloxane copolymer; about 15 wt % to about 35 wt % of a reinforcing filler having a tensile modulus of at least about 150 GPa; and about 4 wt % to about 20 wt % of a flame retardant comprising phosphorous. The polymer composition demonstrates a flexural modulus in an amount equal to or greater than about 10 GPa. Methods of forming a polymer composition and blended thermoplastic compositions are also described.

Abstract: A composition includes specific amounts of an aromatic polycarbonate, a polycarbonate-polysiloxane block copolymer, a poly(alkylene terephthalate), a flame retardant, and a drip retardant. The flame retardant includes an oligomeric or polymeric bis(aryloxy)phosphazene in combination with an organophosphine oxide, an oligomeric or polymeric aromatic phosphonate, or a combination thereof. The composition is useful for fabricating parts for electrical and electronic devices.