B32B7/14

Fluorine-containing mixture material and fluorine-containing super-oleophobic microporous membrane using same as raw material, and preparation method therefor and use thereof

This disclosure provides a fluorine-containing mixture and a fluorine-containing super-oleophobic microporous membrane using the fluorine-containing mixture as a raw material, as well as preparation methods and applications for the fluorine-containing mixture and the fluorine-containing super-oleophobic microporous membrane. The fluorine-containing mixture of the present disclosure comprises, by weight percentage, the following components: Component A: 50%˜90%; Component B: 3%˜25%; Component C: 0%˜35%; Component D: 0%˜3%; wherein Component A comprises high molecular weight polytetrafluoroethylene homopolymer or copolymer dispersion resin; Component B comprises one or more fluorine-containing alkyl acrylate monomers; Component C comprises one or more fluorine-free acrylates; Component D comprises high temperature free radical initiator. There's no need to add inflammable or explosive lubricating oil, making the process highly safe; and the obtained fluorine-containing super-oleophobic microporous membrane has high waterproof, air-permeable, oil-resistant and washable performance, in line with the needs of a new generation of waterproof and air-permeable protective clothing.

Fluorine-containing mixture material and fluorine-containing super-oleophobic microporous membrane using same as raw material, and preparation method therefor and use thereof

This disclosure provides a fluorine-containing mixture and a fluorine-containing super-oleophobic microporous membrane using the fluorine-containing mixture as a raw material, as well as preparation methods and applications for the fluorine-containing mixture and the fluorine-containing super-oleophobic microporous membrane. The fluorine-containing mixture of the present disclosure comprises, by weight percentage, the following components: Component A: 50%˜90%; Component B: 3%˜25%; Component C: 0%˜35%; Component D: 0%˜3%; wherein Component A comprises high molecular weight polytetrafluoroethylene homopolymer or copolymer dispersion resin; Component B comprises one or more fluorine-containing alkyl acrylate monomers; Component C comprises one or more fluorine-free acrylates; Component D comprises high temperature free radical initiator. There's no need to add inflammable or explosive lubricating oil, making the process highly safe; and the obtained fluorine-containing super-oleophobic microporous membrane has high waterproof, air-permeable, oil-resistant and washable performance, in line with the needs of a new generation of waterproof and air-permeable protective clothing.

Partial coverage multilayer damping laminate

Provided herein are multilayer damping laminates comprising at least one constraining layer and at least one discontinuous damping layer. At least one discontinuous damping layer comprises one or more damping material regions and one or more gap regions, wherein the percent coverage of at least one discontinuous damping layer by one or more damping material regions is less than 99%. Also provided are systems and methods using the multilayer damping laminates.

Partial coverage multilayer damping laminate

Provided herein are multilayer damping laminates comprising at least one constraining layer and at least one discontinuous damping layer. At least one discontinuous damping layer comprises one or more damping material regions and one or more gap regions, wherein the percent coverage of at least one discontinuous damping layer by one or more damping material regions is less than 99%. Also provided are systems and methods using the multilayer damping laminates.

METHOD FOR PRODUCING A CEMENTITIOUS BOARD, APPARATUS FOR PRODUCING A CEMENTITIOUS BOARD, AND CEMENTITIOUS BOARD

Method for producing a cementitious board (1), wherein a first liner (2) with first overlap sections (5) is provided and furnished with at least one layer of at least one slurry comprising a cementitious material (3); a second liner (4) with second overlap sections (8) is provided and arranged such that it contacts the first overlap sections (5) of the first liner (2), wherein the at least one layer of the at least one slurry (3) is arranged between the first liner (2) and the second liner (4); an adhesive foam (6) is provided at least partly on at least one of the first or second overlap sections (5, 8); and the first liner (2) and the second liner (4) are bonded via the adhesive foam (6) in the overlap sections (5, 8).

Variable Emissivity Surfaces
20230017078 · 2023-01-19 ·

This invention relates to devices integrally comprising fibres that have emissivities, particularly of infrared radiation, that can be controllably varied. The active emissive surface comprises graphene layers with intercalated ions.

Variable Emissivity Surfaces
20230017078 · 2023-01-19 ·

This invention relates to devices integrally comprising fibres that have emissivities, particularly of infrared radiation, that can be controllably varied. The active emissive surface comprises graphene layers with intercalated ions.

DOT BONDING SHOE INSOLE USING ADHESIVE RESIN MIXED WITH HYDROPHOBIC NANO- SILICA AND MANUFACTURING THEREOF
20230218041 · 2023-07-13 ·

A present invention related to a method for manufacturing a dot bonding shoe insole using an adhesive resin containing hydrophobic nano-silica, including: melting adhesive resin made of any one selected from thermoplastic polyurethane (TPU) or ethylene vinyl acetate (EVA) containing hydrophobic nano-silica in the range of 0.2 to 5 phr and applying to the surface of the transfer roller in which the intaglio dot pattern is formed in a mesh shape in the shape of the shoe insole;

removing the adhesive resin applied other area than the intaglio dot pattern of the surface of the transfer roller;
transferring the adhesive resin applied to the intaglio dot pattern of the surface of the transfer roller to either one of the foam or the fabric;
bonding the foam and the fabric by compressing; and
cutting a shoe insole shape in a package in which the foam and the fabric are bonded.

CD Extensible Nonwoven Composite
20230212797 · 2023-07-06 ·

A nonwoven composite that has a dimension in a machine direction and a cross-machine direction is provided. The composite comprises a nonwoven facing positioned adjacent to an elastic film. The nonwoven facing contains a spunbond web that is formed by necking a base spunbond web. The base spunbond web includes a plurality of fibers generally oriented in the machine direction and exhibiting a machine direction tensile strength and cross-machine direction tensile strength. The ratio of the machine direction tensile strength to the cross-machine direction tensile strength is about 4:1 or more.

CD Extensible Nonwoven Composite
20230212797 · 2023-07-06 ·

A nonwoven composite that has a dimension in a machine direction and a cross-machine direction is provided. The composite comprises a nonwoven facing positioned adjacent to an elastic film. The nonwoven facing contains a spunbond web that is formed by necking a base spunbond web. The base spunbond web includes a plurality of fibers generally oriented in the machine direction and exhibiting a machine direction tensile strength and cross-machine direction tensile strength. The ratio of the machine direction tensile strength to the cross-machine direction tensile strength is about 4:1 or more.