Abstract: The present invention relates to maleic acid derivatives polar group-containing polypropylene, the process to making the same by reactive extrusion in presence of a grafting agent, a polypropylene co- and/or homopolymer is put in contact with a Diels-Alder adduct which is the reaction product of a diene and a dienophile belonging to the group of maleic acid derivatives.

Abstract: Polyolefin based vitrimers having at least one disulfmyl linking unit are described. Uses and methods of making the vitrimers are also described.

Abstract: The invention relates to an ehtylene copolymer obtained by copolymerizing ethylene and an ion pair compound consisting of a cation of formula (I) and an anion selected from formulas (II), (III), (IV) and (V), wherein (I) where R1=H or C1-C10 alkyl; X=O or NH; R2=C1-C40 alkyl; R3, R4=H or C1-C10 alkyl which can be connected through a cyclic structure, R5=H or C1-C20, (II) (III) (IV) (V) where R6, R7, R9=H or C1-C10 alkyl; R8, R10=C1-C40 alkyl; Y, V, W=O or NH; n=1 to 20; Z=—SO3 or —C(O)O.

Abstract: The invention relates to a process for the preparation of an oxygen barrier film having an oxygen barrier layer and a treated substrate, comprising the steps of: a) subjecting a polyolefin substrate to a surface treatment to obtain the treated substrate wherein the surface under the parts of the curves corresponding to the C—O, C—N and C?O groups is at least 10% based on the total surface under the curve as obtained by X-ray photoelectron spectroscopy (XPS), b) applying an aqueous or hydroalcoholic coating composition comprising 0.1 to 25 wt % of polyvinyl alcohol, 0.1 to 30 wt % of a metal alkoxide and optional silicate minerals on the treated substrate obtained by step a) and c) drying the coating composition to obtain the oxygen barrier layer resulting in the oxygen barrier film, wherein the amount of the optional silicate minerals in the coating composition is less than 10 parts by weight per 100 parts by weight of the polyvinyl alcohol in the coating composition.

Abstract: Semi-crystalline vitrimers that include a silyl ether functionality are described. Methods of making and uses thereof are also described.

Abstract: Terpolymers that include a hydrocarbon unit, an acetoacetate terminated unit and a hydroxy-terminated unit are described. Vitrimers made from these terpolymers are also described.

Abstract: The present invention relates to an ethylene copolymer obtained by radical polymerisation through a high-pressure process comprising (i) ?78.0 and ?99.99 mole % of recurring units derived from ethylene; (it) ?0.01 and ?22.0 mole % of recurring units derived from comonomer A according to Formula (I), wherein R1 is composed of a saturated aliphatic moiety comprising 5-40 carbon atoms or R1 is composed of a saturated aliphatic moiety and consists of hydrogen atoms and 5-40 carbon atoms; R2 is selected from —H or —CH3; R3 is selected from —O—, —(CO)—(NH)— or —(CO)—O—; n=0 or 1 The ethylene copolymers have a reduced peak melting temperature and reduced enthalpy of fusion, indicating that these ethylene copolymers have a reduced degree of crystallinity and improved clarity, combined with a desired melt mass-flow rate.

Abstract: Disclosed herein are methods for reducing fouling caused by process water present within a water recycling loop of a pyrolysis plant. Fouling is caused by phase separation and accumulation of materials from the process water on equipment surfaces. The method includes applying a total of about 5 ppm to 500 ppm total of a first polymerization inhibitor and second polymerization inhibitor to the process water to form a treated process water, wherein the first polymerization inhibitor has a pygas-water partition coefficient of about 0.0001 to 9 and the second polymerization inhibitor has a pygas-water partition coefficient of about 1000 to 50,000.

Abstract: The present invention relates to a process for recycling polyolefin, comprising the steps of: 1) feeding a solid post-consumer polyolefin composition comprising polyolefin and contaminants and a flow of an extraction fluid to an extractor having a pressure of 100-1000 bar and a temperature of 20-80° C. to obtain a solid extracted composition, 2) melting the solid extracted composition to obtain a melted composition, 3) providing particles from the melted composition by: 3a) mixing a flow of a supercritical fluid in the melted composition in a pressure vessel to obtain a solution saturated with the supercritical fluid and 3b) passing the solution from the pressure vessel through a throttling device to a spraying tower to expand the solution to obtain polyolefin particles in the spraying tower.

Abstract: The present invention relates to a process for recycling polyolefin, comprising the steps of: 1) feeding a solid post-consumer polyolefin composition comprising polyolefin and contaminants and a flow of an extraction fluid to an extractor having a pressure of 100-1000 bar and a temperature of 20-80° C. to obtain a solid extracted composition, 2) melting the solid extracted composition to obtain a melted composition, 3) providing particles from the melted composition by: 3a) mixing a flow of a supercritical fluid in the melted composition in a pressure vessel to obtain a solution saturated with the supercritical fluid and 3b) passing the solution from the pressure vessel through a throttling device to a spraying tower to expand the solution to obtain polyolefin particles in the spraying tower.

Abstract: The present invention relates to an ethylene copolymer comprising: (iv) ?78.0 and ?99.9 mol % of recurring units derived from ethylene; (v) ?0.10 and ?20.0 mol % of a recurring units derived from a comonomer A according to formula (I) wherein R1 is a moiety comprising 1-30 carbon atoms; R2 is selected from —H or —CH3; R3 is selected from —O—, —(CO)—(NH)— or —(CO)—O—; n=0 or 1; and m?1 and ?10; and (vi) ?0.01 and ?2.00 mol % of a recurring units derived from a comonomer B according to formula (II) wherein R1 is a moiety comprising 1-30 carbon atoms; each R2 may individually be selected from —H or —CH3; each of R3 is individually selected from —O—, —(CO)—(NH)— or —(CO)—O—; n=0 or 1; p=0 or 1; and m?1 and ?10; the mol % of each of (i), (ii) and (iii) being related to the sum of the mol % of (i), (ii) and (iii), the sum of the mol % of (i), (ii) and (iii) adding up to 100 mol %.

Abstract: The present invention relates to an ethylene copolymer obtained by radical polymerisation through a high-pressure process comprising (i) ?78.0 and ?99.99 mole % of recurring units derived from ethylene; (it) ?0.01 and ?22.0 mole % of recurring units derived from comonomer A according to Formula (I), wherein R1 is composed of a saturated aliphatic moiety comprising 5-40 carbon atoms or R1 is composed of a saturated aliphatic moiety and consists of hydrogen atoms and 5-40 carbon atoms; R2 is selected from —H or —CH3; R3 is selected from —O—, —(CO)—(NH)— or —(CO)—O—; n=0 or 1 The ethylene copolymers have a reduced peak melting temperature and reduced enthalpy of fusion, indicating that these ethylene copolymers have a reduced degree of crystallinity and improved clarity, combined with a desired melt mass-flow rate.

Abstract: The present invention is directed to a polyolefin resin composition comprising polyolefin and a mixture comprising glycerol ester, primary aliphatic amide and secondary aliphatic amide. The invention relates to a polyolefin foam composition obtained by foaming said polyolefin resin composition in a physical foaming process in the presence of a physical blowing agent.

Abstract: The invention is directed to a composition comprising 90.00 to 99.95 wt % of a polyolefin and 0.05 to 10.00 weight % of an antimicrobial additive based on the total weight of the polyolefin composition wherein the antimicrobial additive comprises a phenolic group and wherein a carrier for the antimicrobial additive is present. The antimicrobial additive may be dispersed through the polyolefin composition. Preferred antimicrobial additives include for example eugenol, isoeugenol, thymol, carvacrol, sesamol, curcumin, p-hydroxybenzoic acid, gallic acid and its ester derivatives (propyl gallate, octyl gallate and dodecyl gallate), ferulic acid, syringic acid, coumaric acid, protocatechuic acid, caffeic acid and/or tannic acid.

Abstract: The present invention relates to a process for the production of ethylene polymers in a tubular reactor comprising reacting in said tubular reactor a feed composition comprising ethylene and one or more composition comprising one or more cyclic olefin wherein the cyclic olefin is a compound having the structure of Formula (I): wherein R may be a moiety comprising ?1 and ?10 carbon atoms; wherein R1 and R2 may each individually be hydrogen or a moiety comprising ?1 and ?5 carbon atoms, R1 and R2 may be the same or different; wherein ? the tubular reactor may be operated at a pressure of ?200 and ?280 MPa; ? the average reaction peak temperature may be ?220° C. and ?300° C.; ? the composition comprising one or more cyclic olefin may be fed to the reactor in one or more feed inlet of said tubular reactor; and ? said cyclic olefin may be fed to the tubular reactor in quantities of ?1.0 mol %, with regards to the total feed composition.

Abstract: Disclosed herein are methods for reducing fouling caused by process water present within a water recycling loop of a pyrolysis plant. The process water includes water, a pygas, and in some cases pygas byproducts. Fouling is caused by phase separation and accumulation of materials from the process water on equipment surfaces. The method includes applying a total of about 5 ppm to 500 ppm of one or more antifouling polymers to the process water to form a treated process water. The one or more antifouling polymers are selected from the group consisting of copolymers of unsaturated fatty acids, primary diamines, and acrylic acid; copolymers of methacrylamidopropyl trimethylammonium chloride with acrylic acid and/or acrylamide; copolymers of ethylene glycol and propylene glycol; and blends of two or more thereof.

Abstract: Disclosed herein are methods for reducing fouling caused by process water present within a water recycling loop of a pyrolysis plant. Fouling is caused by phase separation and accumulation of materials from the process water on equipment surfaces. The method includes applying a total of about 5 ppm to 500 ppm total of a first polymerization inhibitor and second polymerization inhibitor to the process water to form a treated process water, wherein the first polymerization inhibitor has a pygas-water partition coefficient of about 0.0001 to 9 and the second polymerization inhibitor has a pygas-water partition coefficient of about 1000 to 50,000.

Abstract: The present invention relates to an ethylene copolymer comprising: (iv) ?78.0 and ?99.9 mol % of recurring units derived from ethylene; (v) ?0.10 and ?20.0 mol % of a recurring units derived from a comonomer A according to formula (I) wherein R1 is a moiety comprising 1-30 carbon atoms; R2 is selected from —H or —CH3; R3 is selected from —O—, —(CO)—(NH)— or —(CO)—O—; n=0 or 1; and m?1 and ?10; and (vi) ?0.01 and ?2.00 mol % of a recurring units derived from a comonomer B according to formula (II) wherein R1 is a moiety comprising 1-30 carbon atoms; each R2 may individually be selected from —H or —CH3; each of R3 is individually selected from —O—, —(CO)—(NH)— or —(CO)—O—; n=0 or 1; p=0 or 1; and m?1 and ?10; the mol % of each of (i), (ii) and (iii) being related to the sum of the mol % of (i), (ii) and (iii), the sum of the mol % of (i), (ii) and (iii) adding up to 100 mol %.

Abstract: The invention is directed to a composition comprising 90.00 to 99.95 wt % of a polyolefin and 0.05 to 10.00 weight % of an antimicrobial additive based on the total weight of the polyolefin composition wherein the antimicrobial additive comprises a phenolic group and wherein a carrier for the antimicrobial additive is present. The antimicrobial additive may be dispersed through the polyolefin composition. Preferred antimicrobial additives include for example eugenol, isoeugenol, thymol, carvacrol, sesamol, curcumin, p-hydroxybenzoic acid, gallic acid and its ester derivatives (propyl gallate, octyl gallate and dodecyl gallate), ferulic acid, syringic acid, coumaric acid, protocatechuic acid, caffeic acid and/or tannic acid.

Abstract: Disclosed herein are methods for resolving emulsions formed from oils present in quench waters of ethylene manufacturing operations. The methods include adding a cationic oligomer to the base of a water quench tower having an emulsion formed therein, and collecting a water phase therefrom. The water phase can be applied to a water recycling loop within the manufacturing facility.