Abstract: The present disclosure relates to biological processes and systems for the production of isopropanol and/or acetone utilizing modified alcohol dehydrogenases that exhibit increased activity with NADH as a cofactor. The disclosure further relates to polynucleotides and polypeptides of the modified alcohol dehydrogenases, and host cells containing the polynucleotides and expressing the polypeptides.

Abstract: A polyethylene-based resin composition for injection stretch blow-molding including a co-crystallized blend of a high density polyethylene (HDPE) base resin and a linear low density polyethylene (LLDPE). A method of producing a polyethylene-based resin composition includes adding the LLDPE to the HDPE base resin at a molten state to provide a blend of HDPE and LLDPE, wherein at the molten state, the LLDPE is fully miscible with the HDPE base resin and co-crystallizing the blend of HDPE and LLDPE.

Abstract: Described is a fluidic seal apparatus for continuously injecting a sealing gas into a bottom section of a gas-solids separation chamber. The fluidic seal apparatus includes an external section, a feed tube in fluid communication with a sealing gas supply, and an internal section. The external section connects the sealing gas supply to the internal section. The internal section includes gas distribution nozzles for distributing the sealing gas inside the bottom section of the gas-solids separation chamber. An internal chamber between the internal section and the external section is pressurized by the sealing gas.

Abstract: The present disclosure provides a copolyester including a dicarboxylic acid component A comprising a terephthalic acid residue or ester-forming derivative thereof, or a mixture thereof, and a 2,4-furandicarboxylic acid residue or ester-forming derivative thereof, or a mixture thereof, and a diol component B comprising an alkanediol residue having from 2 to 22 carbon atoms, wherein the dicarboxylic acid component A has a total molar content, and wherein the 2,4-furandicarboxylic acid residue or ester-forming derivative thereof, is present in an amount of from 0.1 to 10 mol %, with respect to the total molar content of the dicarboxylic acid component A. Inventive copolyesters have a slower crystallization rate, a higher gas barrier to CO2 and O2 and a higher ratio of 14C to 12C as measured by ASTM D6866 when compared to a comparable copolyester comprising isophthalic acid instead of 2,4-furandicarboxylic acid.

Abstract: The present disclosure provides recombinant microorganisms and methods for the production of 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA from a carbon source. The method provides for engineered microorganisms that express endogenous and/or exogenous nucleic acid molecules that catalyze the conversion of a carbon source into 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA. The disclosure further provides methods of producing polymers derived from 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA.

Abstract: The present application relates to recombinant microorganisms useful in the biosynthesis of monoethylene glycol (MEG), or optionally MEG and one or more co-product, from one or more hexose feedstock. The present application also relates to recombinant microorganisms useful in the biosynthesis of glycolic acid (GA), or optionally GA and one or more co-product, from one or more hexose feedstock. The present application relates to recombinant microorganisms useful in the biosynthesis of xylitol, or optionally xylitol and one or more co-product, from one or more hexose feedstock. Also provided are methods of producing MEG (or GA or xylitol), or optionally MEG (or GA or xylitol) and one or more co-product, from one or more hexose feedstock using the recombinant microorganisms, as well as compositions comprising the recombinant microorganisms and/or the products MEG (or GA or xylitol), or optionally MEG (or GA or xylitol) and one or more co-product.

Abstract: A method of forming a light-polyisobutylene may include polymerizing isobutene or an isobutene-containing monomer mixture in presence of a proton-form zeolite catalyst to form a light-polyisobutylene. A light-polyisobutylene may be formed by the method of polymerizing isobutene or an isobutene-containing monomer mixture in presence of a proton-form zeolite catalyst.

Abstract: A blow molded article may include at least one layer comprising a blended ethylene-based polymer composition, the blended ethylene-based having a PCR content varying from greater than 10 wt % to less than 95 wt % and a virgin resin content varying from greater than 5 to less than 90 wt %, wherein the virgin resin is selected from HOPE, LLDPE, LDPE, EVA, or combinations thereof, wherein the PCR and virgin content are selected so that the blended ethylene-based polymer composition has an Izod impact strength at 23° C., as measured according to ASTM D 256, of at least 50 J/m, and/or a flexural modulus at 1% secant, as measured according to ASTM D 790, ranging from about 800 to 1700 MPa.

Abstract: Methods may include modifying the crystallization properties of a polymer composition including a polyolefin and a nucleating agent with the structure: wherein R1 and R2 are independently hydrogen, alkyl, alkenyl, or aryl with the proviso that at least one of R1 or R2 is a carbon chain having 1 to 12 carbons with at least one of the carbons in the carbon chain covalently bound to the polyolefin, and wherein the alkyl, alkenyl, or aryl may be substituted with one or more carboxylate groups; and M is a metal selected from Group I of the Periodic Table.

Abstract: Provided is a tie layer film, comprising a polymer composition comprising a polymer produced from ethylene, one or more branched vinyl ester monomers, and optionally, vinyl acetate, with an ethylene content in an amount ranging from 40 to 99.9 wt %, and having a melt index (I2) from 0.1 to 100 g/10 min, measured according to ASTM D1238 (190° C. and load of 2.16 kg). Also provided is an article comprising two substrates and a film, and a method of manufacturing an article.

Abstract: A coated polymeric multilayer article including: (i) a polymer substrate including (a) a first polyolefin-based layer including a primary ethylene-based polymer; and (b) an adhesion layer on at least one surface of the first polyolefin-based layer including one or more secondary ethylene-based polymers selected from secondary polyethylene homopolymers, secondary ethylene-based copolymers of ethylene with one or more C3-C10 alpha olefin monomers or ethylene-vinyl acetate (EVA) copolymer; and (ii) a coating layer on at least one surface of the adhesion layer. A method of producing a coated polymeric multilayer article, the method including the steps of: forming a polymer substrate including a first polyolefin-based layer and an adhesion layer on at least one surface of the polyolefin-based layer; and applying a coating layer composition on at least one surface of the adhesion layer.

Abstract: Provided is a film comprising a polymer composition comprising a polymer produced from ethylene, one or more branched vinyl ester monomers, and optionally, vinyl acetate, with an ethylene content in an amount ranging from 40 to 99.9 wt %, and having a melt index (I2) from 0.1 to 100 g/10 min ASTM D1238 (190° C. and load of 2.16 kg). Also provided are a method of producing a film, an article comprising a film, a solar cell encapsulant comprising a film, a laminate comprising a film and a method of manufacturing an article.

Abstract: A polymer-based foam composition includes an ethylene-based polymer matrix, graphene particles dispersed in the matrix, at least one crosslinking agent, at least one blowing agent, and optionally, kickers, crosslinking co-agents, plasticizers or combinations thereof. The polymer-based foam composition is particularly useful for applications that require lightweight and sound insulation properties.

Abstract: The present application provides a method and a system for recycling a polymer. The method includes introducing polymer into a primary melting extruder, producing a polymer melt that is combined with a fluid oil to at least partially dissolve the polymer melt. A secondary mixing extruder mixes these to form a polymer solution that is introduced into a refinery oil stream, producing a polymer-comprising oil stream, which is fed into a refinery process unit. The system includes a primary melting extruder for forming a polymer melt from polymer. A secondary mixing extruder receives the polymer melt. One or more hydrocarbon inflow conduits for providing a fluid oil to the primary melting extruder and/or the secondary mixing extruder are configured to form a polymer solution from the fluid oil and the polymer melt. There is a feed system outlet for feeding the polymer solution to a refinery oil stream.

Abstract: A process for polymerization of vinyl chloride may include contacting vinyl chloride, demineralized water, at least one stabilizer agent, at least one dispersing agent, an initiator and optionally one or more comonomers; continuously feeding the vinyl chloride, demineralized water, at least one stabilizer agent, at least one dispersing agent, an initiator and optionally one or more comonomers into a tubular reactor having a length of at least 20 times an internal diameter of the tubular reactor; and continuously polymerizing the vinyl chloride, and optionally the one or more comonomers.

Abstract: Methods of adding a catalyst to a bulk polymerization process may include mixing the catalyst with propylene to form a catalyst mixture that is substantially free of any C20 or greater hydrocarbons, feeding the catalyst mixture into a polymerization reactor, activating the catalyst mixture; and performing a polymerization on the catalyst mixture in the polymerization reactor. Polymers may be formed by polymerization processes that are substantially free of any C20 or greater hydrocarbons.

Abstract: A polyester composition includes 10 to 90 wt % of recurring units derived from a long-chain aliphatic diacid or diol, 10 to 90 wt % of recurring units derived from a short-chain aliphatic diacid or diol, and to 50 wt % of recurring units derived from a functionalized comonomer having two terminal acid, ester, or alcohol groups.

Abstract: This invention refers to an equipment for waste discharge (1) comprising a body (2) formed by the connection between a pair of side walls (3, 3?) and a bottom portion, so that the body (2) defines an internal portion (A) of the equipment (1), wherein the waste discharge is performed at the internal portion (A) of the equipment (1), so that the equipment for waste discharge further comprises a lifting beam (5) surrounding at least part of an external portion (B) of the body (2). A method to produce an equipment for waste discharge is also described.

Abstract: Methods may include reacting an antistatic agent with at least one alkylaluminum to form an antistatic complex and may further include feeding the antistatic complex into a polymerization process wherein the antistatic agent is an ester of a fatty acid. Methods of using an antistatic agent in a polymerization process may include feeding the antistatic agent into the polymerization process and, subsequently, reacting the antistatic agent with at least one alkylaluminum, wherein the antistatic agent with the at least one alkylaluminum gives an antistatic complex that comprises one or more reaction products between the ester of the fatty acid and the at least one alkylaluminum, wherein the one or more reaction products comprise aluminum soaps.

Abstract: Methods of adding a catalyst to a bulk polymerization process may include mixing the catalyst with propylene to form a catalyst mixture that is substantially free of any C20 or greater hydrocarbons, feeding the catalyst mixture into a polymerization reactor, activating the catalyst mixture; and performing a polymerization on the catalyst mixture in the polymerization reactor. Polymers may be formed by polymerization processes that are substantially free of any C20 or greater hydrocarbons.