Abstract: Provided is a filter screen having a plurality of slots, each slot having a longest principal axis A1 that has a length L, and each slot having a second axis A2 that is perpendicular to A1 and that has a length W, wherein the distance between adjacent slots in the direction of the axes A2 is XP; wherein XP is greater than W; wherein the distance between adjacent slots in the direction of the axes A1 is YP; either wherein L is 800 micrometers or less and XP is 350 micrometers or less, or wherein L is 1600 ?m or less and XP is 180 ?m or less. Also provided is a method of filtering feed water using such a filter screen.

Abstract: The present disclosure provides for a coated flexible open-cell polyurethane foam structure. The coated flexible open-cell polyurethane foam structure includes a flexible open-cell polyurethane foam having a first major surface and a second major surface opposite the first major surface. The coated flexible open-cell polyurethane foam structure further includes a flexible heat conductive material covering 30 to 90 percent (cov., expressed in %) of a surface area of the first major surface of the flexible open-cell polyurethane foam in a predefined shape to provide one or more gaps exposing the flexible open-cell polyurethane foam between defined edges of the flexible heat conductive material, where each gap of the one or more gaps has a gap width according to Formula I: gap width (mm)??0.196×cov. (%)+20.6 (Formula I) where a total surface area of the one or more gaps provides 70 to 10 percent of the surface area of the first major surface of the flexible open-cell polyurethane foam.

Abstract: The present disclosure provides for a coated flexible open-cell polyurethane foam structure. The coated flexible open-cell polyurethane foam structure includes a flexible open-cell polyurethane foam having a first major surface and a second major surface opposite the first major surface. The coated flexible open-cell polyurethane foam structure further includes a flexible heat conductive material covering 30 to 90 percent (cov., expressed in %) of a surface area of the first major surface of the flexible open-cell polyurethane foam in a predefined shape to provide one or more gaps exposing the flexible open-cell polyurethane foam between defined edges of the flexible heat conductive material, where each gap of the one or more gaps has a gap width according to Formula I: gap width (mm) ??0.196×cov. (%)+20.6 (Formula I) where a total surface area of the one or more gaps provides 70 to 10 percent of the surface area of the first major surface of the flexible open-cell polyurethane foam.

Abstract: Provided is a filter screen having a plurality of slots, each slot having a longest principal axis A1 that has a length L, and each slot having a second axis A2 that is perpendicular to A1 and that has a length W, wherein the distance between adjacent slots in the direction of the axes A2 is XP; wherein XP is greater than W; wherein the distance between adjacent slots in the direction of the axes A1 is YP; either wherein L is 800 micrometers or less and XP is 350 micrometers or less, or wherein L is 1600 ?m or less and XP is 180 ?m or less. Also provided is a method of filtering feed water using such a filter screen.

Abstract: The present disclosure provides a flexible pouch. In an embodiment, the flexible pouch includes opposing flexible films. The flexible films define a common peripheral edge. A microcapillary strip is sealed between the opposing flexible films. A first side of the microcapillary strip is located at a first side of the common peripheral edge and a second side of the microcapillary strip located at a second side of the common peripheral edge. A peripheral seal extends along at least a portion of the common peripheral edge. The peripheral seal comprises a sealed microcapillary segment. The peripheral seal forms a closed flexible pouch having a storage compartment. A liquid is present in the storage compartment.

Abstract: The present disclosure provides a flexible pouch. In an embodiment, the flexible pouch includes opposing flexible films. The flexible films define a common peripheral edge. A microcapillary strip is sealed between the opposing flexible films. A first side of the microcapillary strip is located at a first side of the common peripheral edge and a second side of the microcapillary strip located at a second side of the common peripheral edge. A peripheral seal extends along at least a portion of the common peripheral edge. The peripheral seal comprises a sealed microcapillary segment. The peripheral seal forms a closed flexible pouch having a storage compartment. A liquid is present in the storage compartment.

Abstract: The present disclosure provides a flexible pouch. In an embodiment, the flexible pouch includes opposing flexible films. The opposing flexible films define a common peripheral edge. The flexible pouch includes a microcapillary strip sealed between the opposing flexible films. A first side of the microcapillary strip is located at a first side of the common peripheral edge. A second side of the microcapillary strip is located at a second side of the common peripheral edge. A peripheral seal extends along at least a portion of the common peripheral edge. The peripheral seal includes a sealed microcapillary segment.

Abstract: In an embodiment of the present disclosure, a process for producing a flexible pouch is provided. The process includes placing a capillary precursor element (CPE) between two opposing flexible films. The flexible films define a common peripheral edge. The CPE comprises an array of pins sandwiched between two opposing polymeric strips. The process includes positioning a first side of the CPE at a first side of the common peripheral edge and positioning a second side of the CPE at a second side of the common peripheral edge. The process includes first sealing, at a first seal condition, (i) the opposing polymeric strips to each other to form a matrix, and (ii) sealing the matrix to the two opposing flexible films. The process includes removing the array of pins from the matrix to form an in situ microcapillary strip.

Abstract: The present disclosure provides a process. In an embodiment, a process for producing a flexible pouch is provided and includes placing a microcapillary strip between two opposing flexible films. The opposing flexible films define a common peripheral edge. The process includes positioning a first side of the microcapillary strip at a first side of the common peripheral edge and positioning a second side of the microcapillary strip at a second side of the common peripheral edge. The process includes first sealing, at a first seal condition, the microcapillary strip between the two flexible films; and second sealing, at a second seal condition, a peripheral seal along at least a portion of the common peripheral edge. The peripheral seal includes a sealed microcapillary segment.

Abstract: A mixing device (10) containing a housing (20) that defines a mixing chamber (30), an A-component feed channel entrance opening (40), a B-component feed channel entrance opening (50), and air feed channel entrance opening (60), and an exit opening (70) where the feed channel entrance openings and exit opening provide fluid communication into and/or out of the mixing chamber, and a static mixing element (80) housed within the mixing chamber between the three entrance feed channels and the exit opening, wherein the air feed channel entrance opening having a cross sectional area that is 0.7 square mm or greater and 7.7 square mm or less.

Abstract: In an embodiment, a flexible bag is provided and includes opposing flexible films composed of a polymeric material. The flexible films define a common peripheral edge. The flexible bag includes a microcapillary strip located between the opposing flexible films and extending along a portion of the common peripheral edge. A peripheral seal extends along at least a portion of the common peripheral edge. The peripheral seal seals the microcapillary strip between the opposing flexible films. The peripheral seal forms a closed compartment. The flexible bag includes an amount of a flowable solid particulate material (FSPM) in the storage compartment.

Abstract: A dynamic mixer (40) comprising a rotatable structure (10, 111, 11, 1, 2, 3, 4, 5) having a cylindrical base (14) having a connector disposed at one end, an opposing thinned end, flights of 3 to 6 blades (11, 12, 151, 61), separated by a notches (13, 18) the blades (11, 12, 151, 61) have an inlet face facing the connector end, an outlet (30) face facing the thinned end, a leading edge (21) facing the direction of rotation, a trailing edge (20) opposite the leading edge (21), a standard leading face (154, 65) which tapers from the leading edge (21) to the outlet (30) face and a standard trailing face (166) which tapers from the trailing edge (20) to the inlet face, or a reverse leading face (154, 65) which tapers from the leading edge (21) to the inlet face and a reverse trailing face (155, 66) which tapers from the trailing edge (20) to the outlet (30) face, the notches (13, 18) are offset from one another and the article is adapted for use in a dynamic mixer (40) to mix viscous material when rotated in the m

Abstract: The present disclosure provides a flexible pouch. In an embodiment, the flexible pouch includes opposing flexible films. The opposing flexible films define a common peripheral edge. The flexible pouch includes a microcapillary strip sealed between the opposing flexible films. A first side of the microcapillary strip is located at a first side of the common peripheral edge. A second side of the microcapillary strip is located at a second side of the common peripheral edge. A peripheral seal extends along at least a portion of the common peripheral edge. The peripheral seal includes a sealed microcapillary segment.

Abstract: The present disclosure provides a process. In an embodiment, a process for producing a flexible pouch is provided and includes placing a microcapillary strip between two opposing flexible films. The opposing flexible films define a common peripheral edge. The process includes positioning a first side of the microcapillary strip at a first side of the common peripheral edge and positioning a second side of the microcapillary strip at a second side of the common peripheral edge. The process includes first sealing, at a first seal condition, the microcapillary strip between the two flexible films; and second sealing, at a second seal condition, a peripheral seal along at least a portion of the common peripheral edge. The peripheral seal includes a sealed microcapillary segment.

Abstract: In an embodiment of the present disclosure, a process for producing a flexible pouch is provided. The process includes placing a capillary precursor element (CPE) between two opposing flexible films. The flexible films define a common peripheral edge. The CPE comprises an array of pins sandwiched between two opposing polymeric strips. The process includes positioning a first side of the CPE at a first side of the common peripheral edge and positioning a second side of the CPE at a second side of the common peripheral edge. The process includes first sealing, at a first seal condition, (i) the opposing polymeric strips to each other to form a matrix, and (ii) sealing the matrix to the two opposing flexible films. The process includes removing the array of pins from the matrix to form an in situ microcapillary strip.

Abstract: Disclosed herein are improvements in recycle gas cooler systems in gas-phase polymerization processes that reduce the tendency for cooler fouling, including a recycle gas cooler system comprising a shell-and-tube heat exchanger. One or more of the tubes of the shell-and-tube heat exchanger may have a flared tube inlet at the tube sheet. The shell-and-tube heat exchanger may also be coupled to a straight inlet pipe having a length that is either at least about 5 times the inner diameter of the straight inlet pipe or at least about 15 feet, whichever is greater.

Abstract: A mixing device (10) containing a housing (20) that defines a mixing chamber (30), an A-component feed channel entrance opening (40), a B-component feed channel entrance opening (50), and air feed channel entrance opening (60), and an exit opening (70) where the feed channel entrance openings and exit opening provide fluid communication into and/or out of the mixing chamber, and a static mixing element (80) housed within the mixing chamber between the three entrance feed channels and the exit opening, wherein the air feed channel entrance opening having a cross sectional area that is 0.7 square mm or greater and 7.7 square mm or less.

Abstract: A dispensing device (10) capable of dispensing both frothed and non-frothed liquids, the dispensing device having in order a fluid transport medium (20) defining a flow channel (25), a trigger controlled liquid flow regulator (30) defining a flow channel (35) through which fluid may flow when the trigger (37) is in one position but not when the trigger is in another position, a flow block (50) defining a flow channel (55) in fluid communication with a gas channel (65) and removably attached to the flow regulator, a flow restriction orifice (40) between the flow block and the flow regulator (30), a mixing block (70) defining a flow channel (75) containing mixing elements and optionally stabilization (80) and extension blocks each containing a flow channel (85) wherein each flow channel is in fluid communication with one another.

Abstract: Disclosed herein are improvements in recycle gas cooler systems in gas-phase polymerization processes that reduce the tendency for cooler fouling, including a recycle gas cooler system comprising a shell-and-tube heat exchanger. One or more of the tubes of the shell-and-tube heat exchanger may have a flared tube inlet at the tube sheet. The shell-and-tube heat exchanger may also be coupled to a straight inlet pipe having a length that is either at least about 5 times the inner diameter of the straight inlet pipe or at least about 15 feet, whichever is greater.

Abstract: This invention is a stirrer, impeller or stirrer paddle used for mixing small volumes of liquid in a vessel having a small capacity for liquid, said impeller being characterized by an impeller blade connected to the bottom portion of a support, where the blade has an opening extending through the blade from the front to the back surface of the blade said opening extending across the rotational axis of the impeller. The invention is also an apparatus comprising that blade, a method of mixing components using the apparatus and an array of two or more of the apparatuses.