Abstract: Disclosed is a polymeric composition containing at least 95 wt. % of a polypropylene copolymer; and 50 ppm to 2000 ppm of an aryl amide containing clarifying agent or a phosphate ester salt containing clarifying agent or a combination thereof, wherein the polymeric composition has a haze value of A after being extruded once and a haze value of B after being extruded 5 times, wherein the ratio of A to B is 1 to 1.35 and A is less than 25%, and wherein A and B are determined in accordance with ASTM D1003, at a thickness of about 40 mil, methods of making the polymeric composition and articles containing the polymeric composition.

Abstract: Provided is a production method that can produce an olefin resin composition having excellent long-term stability and providing a sufficient stabilization effect to the olefin resin composition. This production method is a method of producing an olefin resin composition that contains a polyolefin resin polymerized with, an addition of a mixture of a phenolic antioxidant represented by the following Formula (1) and a phosphite compound represented by the following Formula (2) or (3), and an organoaluminum compound or a mixed solvent of an organoaluminum compound and an organic solvent, to a catalyst system or a polymerization system before or during the polymerization of the olefin monomer.

Abstract: Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered phenolic antioxidants are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.

Abstract: A polyetherimide composition includes a polyetherimide and two or more of a residual metal content, a sulfate anion, a phosphate anion, a nitrite anion, a nitrate anion, or a combination including at least one of the foregoing, a residual solvent content, a phosphorus-containing stabilizer, and alkali metal halide, alkaline earth metal halide, alkali metal carbonate, or a combination including at least one of the foregoing, wherein each of the aforementioned components, when present, is included in the composition in a particular amount. The resulting polyetherimide composition exhibits two or more useful properties. The polyetherimide composition can optionally further be combined with a polymer different from the polyetherimide to provide a thermoplastic composition. Methods of making the polyetherimide composition and articles including the polyetherimide composition are also described.

Abstract: Compositions are provided comprising A) at least one polymer selected from the group consisting of aromatic polycarbonate and aromatic polyester carbonate, B) at least one mixture comprising at least one butadiene-based graft polymer prepared by emulsion, suspension or solution polymerization and at least one polybutadiene-free vinyl (co)polymer, and C) at least one polymer additive, where the polybutadiene content based on the sum total of the parts by weight of components A and B is 10% to 20% by weight, and where the total content of butadiene-free vinyl (co)polymer from component B based on the sum total of the parts by weight of components A and B is 12% to 23% by weight. Composite components formed from these compositions and a polyurethane layer, which are notable for improved adhesion between the two layers, and a process for producing the composite components are also provided.

Abstract: Provided is an ECTFE resin composition that is superior in transparency and resistant to yellowing for an extended period of time. The ECTFE resin composition generates a smaller amount of acidic gases, for example, when it is extrusion molded at high temperature. It is an ethylene-chlorotrifluoroethylene copolymer resin composition including a bisphenol-based antioxidant. It is preferably an ethylene-chlorotrifluoroethylene copolymer resin composition additionally including a phosphorus-based antioxidant.

Abstract: A cross-linked rubber exhibits high strength and excellent abrasion resistance as compared with a known cross-linked rubber. The cross-linked rubber is obtained by cross-linking a rubber composition that includes a hydrogenated conjugated diene-based polymer, an olefin-based rubber, and a cross-linking agent, the hydrogenated conjugated diene-based polymer being a hydrogenated product of a polymer that includes a structural unit derived from butadiene, and including at least one of an amino group and a hydrocarbyloxysilyl group at one terminal or each terminal.

Abstract: The invention concerns an olefinically unsaturated radial styrenic block copolymer having the general formula A-B—Y—(B-A)n wherein each A is independently a polymer block composed of at least 90 mol. % of an alkenyl aromatic hydrocarbon, each B is independently a polymer block composed of at least 90 mol. % of one or more conjugated dienes, Y is the remnant of a coupling agent, and n is an integer from 2 to 5. The invention is also an improved vulcanizer-free latex comprising water and the olefinically unsaturated radial styrenic block copolymer. Moreover, the invention concerns a process for preparing articles by coagulation dipping from the improved latex and dipped goods made from such latex.

Abstract: A copolymeric polyphosphite is described: wherein each R1 through R5 can be the same or different and independently selected from the group consisting of C12-20 alkyl, C12-22 alkenyl, C12-40 cycloalkyl, C12-40-cycloalkenyl, C12-20 alkyl glycol ethers and A-OH and B—OH are different end-capping groups and independently selected from the group consisting of C2-40 alkylene, C7-40 cycloalkylene, C3-20 alkyl glycol ethers, C3-40 alkyl lactone, and —R7—N(R8)—R9—; wherein R7 and through R9 are independently selected from the group C1-20 alkyl, C2-22 alkenyl, C6-40 cycloalkyl, C7-40 cycloalkylene and H; m and n are integers from 1 to 100 inclusive, with various provisos.

Abstract: A description is given of a nonaqueous sound deadener composition comprising (a) a nonpulverulent polyacrylate binder having a K value in the range from 10 to 35, measured as a 1% strength solution in tetrahydrofuran; (b) inorganic fillers; and a radically polymerizable compound which has at least one radically polymerizable C—C double bond and possesses a boiling point at atmospheric pressure of greater than 160° C. Also described is a method for damping oscillations or vibrations of components of vehicles and machines, using the sound deadener composition of the invention.

Abstract: A composition, which comprises a) an organic material susceptible to oxidative, thermal or light-induced degradation; and b) a compound of formula I (Formula I) (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are independently from each other H, C1-C8-alkyl, C4-C8-cycloalkyl, phenyl, C1-C4-alkoxy or halogen; n is 1, 2, 3, or 4; and when n is 1 A is —C(=0)-OR?1, —C(=0)-N(R?2)(R?3), —CN, phenyl, which is unsubstituted or substituted by one or more C1-C8-alkyl, C4-C8-alkoxy, C5-C7-cycloalkyl or halogen, —H or —S02-phenyl; when n is 2 A is —C(=0)-O—Z1—O—C(=0)-, —C(=0)-N(R?1)—Z2—N(R?2)—C(=0)- or piperazine-N,N?-biscarbonyl.

Abstract: A method of providing an oxygen barrier for a product includes placing a product in an injection molded article which includes 10 to 60% by mass of a polyamide resin (A) and 40 to 90% by mass of a mixed polyolefin (E), wherein the polyamide resin (A) includes a diamine unit 70 mol % or more of which is one or more m-xylylenediamine units and a dicarboxylic acid unit 70 mol % or more of which is one or more dicarboxylic acid units including a C4 to C20 ?,?-linear aliphatic dicarboxylic acid and isophthalic acid at a molar ratio of from 30:70 to 100:0, the mixed polyolefin (E) includes 40 to 100% by mass of a polyolefin (C) and 0 to 60% by mass of a modified polyolefin (B), and at least a portion of the polyamide resin (A) is dispersed in a layered state.

Abstract: CPVC pipe in diameters in the range from 15 mm (0.5 inch) to 15.24 cm (6 ins), to carry hot and cold aqueous streams under 690 KPa (100 psi) pressure and 82.2° C. (180° F.) in continuous service, is extruded from a compound in which the CPVC has a high Cl content in the range from 66.5%-70%, when modified with either of two specific impact high rubber modifiers in an amount greater than 5 parts but no more than 6 parts per 100 parts of CPVC. Extruded CPVC pipe provides a HDB measured according to ASTM D2837-01 which is 25% or more greater than that required for commercial pipe as specified in ASTM D2846. As a result, both SDR-11 and SDR-13.5 pipe are produced which provide a HDB of at least 1250 psi (8.62 MPa) at the 100,000 hr intercept.

Abstract: Provided is a resin composition capable of achieving a higher plating property. The resin composition comprises, relative to 100 parts by weight of a resin component comprising 30 to 100% by weight of a polycarbonate resin and 70% by weight or less of a styrene-based resin, 10 to 100 parts by weight of a glass filler and 2 to 20 parts by weight of a laser direct structuring additive, wherein the laser direct structuring additive comprises a metal oxide particle comprising titanium oxide coated with a composition comprising tin as a main component and antimony.

Abstract: The invention relates to a polymeric composition, comprising: at least one thermoplastic resin having a glass transition temperature of at least about 220° C.; inorganic particulates having an average particle size in the range up to about 100 nanometers dispersed in the thermoplastic resin, the inorganic particulates having an index of refraction in the range from about 1.4 to about 3; and an effective amount of at least one dispersant to disperse the inorganic particulates in the thermoplastic resin. The polymer composition may be a high temperature thermoplastic suitable for forming, such as by molding, optical articles such as lenses.

Abstract: The present invention provides a polycarbonate resin composition for molding a molded article having a thin-walled section and exhibiting a high level of flame resistance and impact resistance, and an excellent surface appearance (low-gloss property). More specifically, the present invention is a polycarbonate resin composition for molding a polycarbonate resin molded article having a thin-walled section with a wall thickness of 0.

Abstract: The present invention is directed to a composition that includes a poly(arylene ether), a radial block copolymer of an alkenyl aromatic monomer and a conjugated diene, a linear block copolymer of an alkenyl aromatic monomer and a conjugated diene, one or more optical enhancing agents, and a hydrocarbon resin. The composition is characterized by at least one of the following properties: a multiaxial impact of at least 20 joules as measured by ASTM D 3763-08, a percent haze of 15 percent or less as measured by ASTM D 1003-00, and a percent transmittance of 75 percent or more as measured by ASTM D 1003-00.

Abstract: A process for stabilizing hypophosphite salt is provided, which comprises the following steps: a) washing the hypophosphite salt at least one time under a controlled pH value of 4-11, preferably 5-8, as the said hypophosphite salt in an aqueous solution and/or in a solid state; and b) drying the said hypophosphite salt under reduced pressure to remove the volatiles. The process can prevent or minimize the formation of a dangerous quantity of phosphine from hypophosphite salts, more particularly in the flame retardant of the application. The flame retardant polymer composition is also provided, which comprises a polymer and the hypophosphite salt stabilized by the above process.

Abstract: The invention relates to a special layer construction and a special film of plastic for the production of such a layer construction which is suitable for printing by means of dye diffusion thermal transfer printing, a process for the production thereof and a security and/or valuable document comprising such a layer construction.

Abstract: The present disclosure provides a flexible, halogen-free, flame retardant composition. The composition includes from about 25 wt % to about 95 wt % of a thermoplastic polyurethane (TPU); from about 5 wt % to about 50 wt % of an olefin block copolymer (OBC); and from about 30 wt % to about 70 wt % of a flame retardant. The flame retardant is selected from resorcinol bis(diphenyl 5 phosphate) (RDP), bis diphenyl phosphate (BDP), bisphenol-A bis(diphenyl phosphate) (BPADP), aluminum trihydrate (ATH), a nitrogen/phosphorus-based halogen-free flame retardant, epoxidized novolac resin, and combinations thereof. The composition requires no compatibilizer for the TPU and OBC. The composition finds application in wire and cable structures.

Abstract: A polymeric polyphosphite and copolymeric polyphosphite is described which contains a cycloaliphatic moiety, preferably cyclohexane dimethanol, in the polyphosphite backbone chain. Incorporation of the polymeric polyphosphite into synthetic polymers reduces the yellowness index of any polymer into which the polymeric polyphosphite additive has been added, as well as increased hydrolytic stability as well as increased resistance to migration in food packaging.

Abstract: The present invention relates to a composition comprising hedgehog shaped particles, at least one binder, and at least one hydrophobizing agent and/or at least one hydrophilizing agent, a method for controlling the wettability of substrate surfaces using these compositions, as well as a material comprising these compositions.

Abstract: Provided is an integrated molded product in which a molded resin product containing a phosphorus compound is used and an addition-reactive silicone adhesive agent is used to achieve strong bonding. The integrated molded product comprises a thermoplastic resin molded product made of a thermoplastic resin composition comprising a polybutylene terephthalate resin and a phosphorus compound, the content of the phosphorus compound being 0.5% by mass or less; an addition-reactive silicone composition; and a member; and the thermoplastic resin molded product and the addition-reactive silicone composition are brought into contact with each other. The phosphorus compound to be used is preferably a trivalent phosphorous compound.

Abstract: Disclosed herein are blended thermoplastic compositions comprising at least one polycarbonate polymer, at least one polyester polymer, and at least one reinforcing filler. The thermal blended polycarbonate compositions can optionally further comprise at least one polycarbonate-polysiloxane copolymer, at least one impact modifier polymer, and/or at least one flame retardant. The resulting compositions can be used in the manufacture of articles requiring materials with high modulus and high flowability, while retaining good impact strength. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: Provided is a polycarbonate resin composition including, with respect to 100 parts by mass of an aromatic polycarbonate resin mixture (A) consisting of 5 to 100 mass % of an aromatic polycarbonate-polyorganosiloxane copolymer (A-1) and 95 to 0 mass % of an aromatic polycarbonate resin (A-2) except the component (A-1), the aromatic polycarbonate resin mixture (A) having a content of a polyorganosiloxane unit is 1 mass % or more, 0.002 to 0.200 parts by mass of a phosphorus-based antioxidant (B) and 0 to 0.200 parts by mass of an epoxidation stabilizer (C), in which a reduction ratio P between the viscosity-average molecular weights of the resin composition before and after a pressure cooker test calculated from the calculation equation (I) is 20% or less.

Abstract: An alkylphenol-free colorless liquid copolymeric polyphosphite is described of generic formula: wherein each R1, R2, R3, R4 and R5 can be the same or different and independently selected from the group consisting of C12-20 alkyl, C12-22 alkenyl, C12-40 cycloalkyl, C12-40-cycloalkenyl, C12-20 alkyl glycol ethers and A-OH and B—OH as an end-capping groups; each A and B are different and independently selected from the group consisting of C2-40 alkylene, C7-40 cycloalkylene, C3-20 alkyl glycol ethers, C3-40 alkyl lactone, and —R7—N(R8)—R9—; wherein R7, R8 and R9 are independently selected from the group C1-20 alkyl, C2-22 alkenyl, C6-40 cycloalkyl, C7-40 cycloalkylene and H; m and n are integral values ranging from 1 to 100 inclusive, with the proviso that when —O-A or —O—B are C3-20 alkyl glycol ethers, x or y is an integral value no less than 7; x and y are integral values ranging from 1 to 1,000 wherein x+y sum to at least 3; and further wherein no more than two of R1, R2, R3, R4 and R5 are terminated w

Abstract: Seat components and claddings for railway molded or formed from a thermoplastic polymer composition comprising, based on the total weight of the composition, 50 to 93 wt. % of a specific polycarbonate; 4 to 30 wt. % of a poly(carbonate-siloxane) comprising bisphenol A carbonate units, and siloxane units; 3 to 20 wt. % of an organophosphorus compound in an amount effective to provide 0.1 to 2.0 wt. % of phosphorus, based on the total weight of the thermoplastic polymer composition; wherein an article having a thickness of 0.5 to 10 mm molded from the composition has a Ds-4 smoke density ?300 measured according to ISO 5659-2, and a MAHRE ?90 kW/m2 measured according to ISO 5660-1, a multiaxial impact energy ?100 J, and a ductility in multiaxial impact of 80 to 100% at +23° C. according to ISO 6603.

Abstract: Disclosed are a transparent thermoplastic resin composition and a molded article prepared therefrom. More particularly, disclosed are a transparent thermoplastic resin composition comprising A) 100 parts by weight of a rubber-reinforced thermoplastic transparent resin, and B) 0.01 to 2 parts by weight of a dihydrocarbyl pentaerythritol diphosphite wherein the A) rubber-reinforced thermoplastic transparent resin is prepared by polymerizing 5 to 60% by weight of a conjugated diene rubber, 20 to 70% by weight of a methacrylic acid alkyl ester monomer or an acrylic acid alkyl ester monomer, 8 to 50% by weight of an aromatic vinyl monomer and 0 to 20% by weight of a vinyl cyanide monomer, and a molded article prepared therefrom. Advantageously, provided are a transparent thermoplastic resin composition which exhibits superior transparency, impact strength and processability and in particular, does not discolor even during long-term storage and does not discolor at 40 to 80° C.

Abstract: This disclosure relates to thermoplastic compositions comprising a polycarbonate copolymer, the polycarbonate copolymer comprising first repeating carbonate units and second repeating units selected from carbonate units that are different from the first carbonate units, polysiloxane units, and a combination comprising at least one of the foregoing unit; and an organophosphorus flame retardant in an amount effective to provide 0.1 to 1.0 wt % phosphorus based on the total weight of the composition, wherein an article molded from the composition has a smoke density after 4 minutes (Ds-4) of less than or equal to 600 determined according to ISO 5659-2 on a 3 mm thick plaque, and a material heat release of less than or equal to 160 kW/m2 determined according to ISO 5660-1 on a 3 mm thick plaque.

Abstract: A phosphorus compound represented by the formula (I): wherein R1 and R2 are, the same or different, a hydrogen atom, a straight or branched-chain alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 12 carbon atoms which may be optionally substituted for an alkyl group having 1 to 4 carbon atoms, R3, R4, R5, R6 and R7 are, the same or different, a hydrogen atom or an aryl group having 6 to 12 carbon atoms which may be optionally substituted for an alkyl group having 1 to 4 carbon atoms, or R3 and R4, R4 and R5, R5 and R6 or R6 and R7 may form a 6 membered ring with carbon atoms wherein these groups bond a benzene ring provided that R3, R4, R5, R6 and R7 are not hydrogen atoms at the same time.

Abstract: Embodiments in accordance with the present invention provide polymers for forming layers/films useful in the manufacture of a variety of types of optoelectronic displays. Such embodiments also provide compositions of such polymers for forming such layers/films where the formed layers/films have high transparency over the visible light spectrum.

Abstract: Disclosed are oligomeric phosphonates including oligophosphonates, random or block co-oligo(phosphonate ester)s and co-oligo(phosphonate carbonate)s produced using a condensation process terminated with hydroxyl, epoxy, vinyl, vinyl ester, isopropenyl, isocyanate groups, and the like. These materials can be used as a reactive additive to other polymers, oligomers or monomer mixtures to impart flame resistance without diminishing melt processability which is important in the fabrication of polymers for many applications.

Abstract: A process for the polymerization of one or more olefins under solution polymerization conditions to produce a polymeric solution, said process comprising contacting the produced polymeric solution with one or more antioxidant compounds before or concurrently with subjecting the polymeric solution to a devolatilization step to separate the polymer from the unreacted monomers.

Abstract: A polycarbonate resin composition for light guides which has excellent light guiding properties and flame retardancy, a light guide and a surface light source body. The light guide is formed from a resin composition which comprises (A) 100 parts by weight of a polycarbonate resin (component A) and (B) 0.001 to 0.1 part by weight of a metal salt-based compound (component B).

Abstract: The disclosure relates to a high-density polyethylene (HDPE) composition with resistance to deterioration in the presence of chlorinated and non-chlorinated water at temperatures in the range of about 0° C. to about 100° C., due to a particular stabilizer system which is composed of a hindered phenol antioxidant, a phosphonite or phosphine antioxidant, and a natural or synthetic hydrotalcite. The stabilizer system is specifically tailored to protect the HDPE as well as other polyolefins against deterioration and degradation.

Abstract: The present invention which is directed to a composition comprising: (a) a poly(arylene ether); (b1) a radial block copolymer of an alkenyl aromatic monomer and a conjugated diene; wherein the radial block copolymer has about 50 to about 70 weight percent of repeating units derived from the alkenyl aromatic monomer and a number average molecular weight of about 50,000 to about 70,000 atomic units; (b2) a linear block copolymer of an alkenyl aromatic monomer and a conjugated diene; wherein the linear block copolymer has about 55 to about 70 weight percent of repeating units derived from the alkenyl aromatic monomer; wherein the ratio of (b1) to (b2) is 0.

Abstract: A polymeric polyphosphite and copolymeric polyphosphite is described which contains a cycloaliphatic moiety, preferably cyclohexane dimethanol, in the polyphosphite backbone chain.

Abstract: The present invention relates to construction materials comprising at least one binder, at least one oil-containing filler and at least one metallate additive according to formula (1): (RO)m-M-(Oa—Xb—R?c—Yd)n??(1) wherein M is one of titanium and zirconium. The present invention also relates to methods of preparing and using the inventive construction materials. The inventive construction material compositions are capable of utilizing oil-containing fillers in which the oil is stable in the final composition and the desired mechanical properties of the construction material are maintained or improved.

Abstract: A high flow polyvinyl halide compound is disclosed. The compound employs conventional ingredients plus a combination of phosphite stabilizer and hydrotalcite stabilizer which improve the melt flow index of the compound by at least 20%, as compared with a compound without the two types of stabilizers. The dramatically improved melt flow allows a molding cycle time reduction by as much as 22% because of a five-fold reduction in the fill step.

Abstract: An alkylphenol-free liquid polymeric phosphite is described of general Structure IV illustrated below wherein each R1, R2, R3 and R4 can be the same or different and independently selected from the group consisting of C1-20 alkyl, C3-22 alkenyl, C6-40 cycloalkyl, C7-40 cycloalkylene, C1-20 methoxy alkyl glycol ethers, C1-20 alkyl glycol ethers, and or Y—OH; Y is selected from the group consisting of C2-40 alkylene, C2-40 alkyl lactone, —R7—N(R8)—R9—, wherein R7, R8 and R9 are independently selected from the group previously defined for R1, R2, R3 and R4, now further including H; m is an integral value ranging from 2 to 100 inclusive; and x is an integral value ranging from 1 to 1,000. The alkylphenol-free liquid polymeric phosphite is useful in reducing phosphite migration within polymers.

Abstract: Disclosed are oligomeric phosphonates including oligophosphonates, random or block co-oligo(phosphonate ester)s and co-oligo(phosphonate carbonate)s produced using a condensation process terminated with hydroxyl, epoxy, vinyl, vinyl ester, isopropenyl, isocyanate groups, and the like. These materials can be used as a reactive additive to other polymers, oligomers or monomer mixtures to impart flame resistance without diminishing melt processability which is important in the fabrication of polymers for many applications.

Abstract: Provided are: an alkoysilyl group-containing hydrogenated block copolymer produced by introducing an alkoxysilyl group into a hydrogenated block copolymer that is obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer that includes at least two polymer blocks [A] and at least one polymer block [B], the polymer block [A] including a repeating unit derived from an aromatic vinyl compound as a main component, the polymer block [B] including a repeating unit derived from a linear conjugated diene compound as a main component, and a ratio (wA:wB) of a weight fraction wA of the polymer block [A] in the block copolymer to a weight fraction wB of the polymer block [B] in the block copolymer being 20:80 to 60:40; a method for producing the same; a solar cell element encapsulating material; a sheet, a laminated sheet; a multilayer sheet; and a method for encapsulating a solar cell element.

Abstract: An alkylphenol-free liquid polymeric polyphosphite is described of general Structure IV illustrated below wherein each R1, R2, R3 and R4 can be the same or different and independently selected from the group consisting of C1-20 alkyl, C2-22 alkenyl, C6-40 cycloalkyl, C7-40 cycloalkylene, C3-20 methoxy alkyl glycol ethers, C3-20 alkyl glycol ethers, and or Y—OH; Y is selected from the group consisting of C2-40 alkylene, C2-40 alkyl lactone, —R7—N(R8)—R9—, wherein R7, R8 and R9 are independently selected from the group previously defined for R1, R2, R3 and R4, now further including H; m is an integral value ranging from 2 to 100 inclusive; and x is an integral value ranging from 1 to 1,000 and further in which by controlling a molar ratio of reactants, the number of terminal hydroxyl groups is minimized. The alkylphenol-free liquid polymeric phosphite is useful in reducing phosphite migration within polymers.

Abstract: Provided is a polycarbonate-based resin composition for sliding use including 0.01 to 1 part by mass of an antioxidant with respect to 100 parts by mass of a polycarbonate-polyorganosiloxane copolymer which has structural units represented by a general formula (A) and structural units represented by a general formula (B), which contains a polyorganosiloxane block moiety containing the structural units represented by the general formula (B) at a content of 1 to 30 mass %, and which has an average repetition number of the structural units represented by the general formula (B) of 110 to 1000. The polycarbonate-based resin composition for sliding use has a specific structure having improved wear resistance, in particular, improved sliding property. Also provided is a molded article using the resin composition, and excellent in wear resistance and sliding property.

Abstract: The present invention relates to an aromatic branched polycarbonate, produced via melt transesterification of a bisphenol with a diaryl carbonate in the presence of a branching agent, wherein the aromatic branched polycarbonate comprises branching point structures and structures of formula (D) wherein X is a single bond, C1- to C6-alkylene, C2- to C5-alkylidene or C5- to C6-cycloalkylidene, optionally substituted by C1- to C6-alkyl; wherein the amount of D in the aromatic branched polycarbonate is in the range of from 5 to 450 mg per kg of the aromatic branched polycarbonate; and wherein the ratio of the total branching point structures to the total structures of the formula D in the aromatic branched polycarbonate is in the range of from 8 to 200.

Abstract: A controlled rheology polypropylene that is made from Ziegler-Natta produced random copolymer and an additive formulation, extruded in the presence of a peroxide, exhibits low fluid retention and can be used to make medical/laboratory grade equipment, such a pipette tips.

Abstract: A process is described which reduces the amount of bloom and/or plate-out of phosphite antioxidants during polymer processing by the addition of at least one polyethylene glycol (or blends thereof) or polycaprolactones (or blends thereof) having an average molecular weight of approximately 1,000 to 20,000, most preferably between 4,000 to 10,000.

Abstract: A specially structured article is described which allows products made from the article to undergo a second heating without a dramatic color shift. This permits more recycled products from the material used to make the article.

Abstract: The present disclosure is generally directed to a resin composition containing a mixture of high temperature polymers and at least one stabilizer. The stabilizer serves to prevent the polymers from adversely interfering with each other during melt processing. In one embodiment, the high temperature polymers present in the composition may comprise a mixture of an aromatic polyester polymer and a polyarylene sulfide polymer. The stabilizer comprises a phosphite stabilizer. The composition produces molded articles having better thermal stability and reduced mold deposits.

Abstract: Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants.