C09J139/06

Porous thermally insulating compositions containing hollow silica particles
10611902 · 2020-04-07 · ·

A thermally insulating composition comprising hollow spherical silica particles and a coating of a material having a thermal conductivity of less than 0.3 W/m.Math.K on surfaces of said silica particles. In particular embodiments, the low conductivity coating material may be a polymer, such as polystyrene or polyvinylpyrrolidone, or the low conductivity coating material may be a quaternary ammonium salt of the Formula (1), i.e., R.sup.1R.sup.2R.sup.3R.sup.4N.sup.+A.sup., with at least one of R.sup.1, R.sup.2, R.sup.3, and R.sup.4 being an alkyl group containing at least ten carbon atoms (and A.sup. is a counter anion), or the low conductivity coating material may be phenyl-C61-butyric acid methyl ester covalently bound to the hollow spherical silica particles. Also described herein is a method of thermally insulating a surface by applying a coating of the thermally insulating composition, described above, onto the surface.

Coprocessed silica coated polymer composition

The present invention provides a coprocessed excipient composition and a method of producing the same. The coprocessed excipient comprises vinyl lactam derived polymer and a deagglomerated coprocessing agent. The coprocessing agent is fumed silica, colloidal silica or silicon dioxide. The coprocessed excipient is prepared by a continuous process and has a Brookfield cohesion of less than 0.12 kPa, a bulk density of at least 0.249 gram/milliliter and a flow property as measured by Johanson flow rate number increase from 1.1 to 5.0 fold.

Coprocessed silica coated polymer composition

The present invention provides a coprocessed excipient composition and a method of producing the same. The coprocessed excipient comprises vinyl lactam derived polymer and a deagglomerated coprocessing agent. The coprocessing agent is fumed silica, colloidal silica or silicon dioxide. The coprocessed excipient is prepared by a continuous process and has a Brookfield cohesion of less than 0.12 kPa, a bulk density of at least 0.249 gram/milliliter and a flow property as measured by Johanson flow rate number increase from 1.1 to 5.0 fold.

Primer for adhesive tapes

Primer for adhesive tape with improved adhesion promoting properties, comprising a mixture G, which is dissolved or dispersed in one or more solvents, consisting of at least one copolymer obtained by copolymerization of a monomer mixture comprising an amount of at least 90 wt % of the following monomers: vinylcaprolactam and/or vinylpyrrolidone; one or more of the monomers a) and/or b): a) acrylic acid ester of a linear, primary alcohol having 2 to 10 carbon atoms in the alkyl group of the alcohol, b) acrylic acid ester of a branched, non-cyclic alcohol having 3 to 12 carbon atoms in the alkyl group, at least one chlorinated polyolefin, and at least one metal compound selected from the group consisting of metal acetylacetonates, metal alkoxides and alkoxy-metal acetylacetonates.

Primer for adhesive tapes

Primer for adhesive tape with improved adhesion promoting properties, comprising a mixture G, which is dissolved or dispersed in one or more solvents, consisting of at least one copolymer obtained by copolymerization of a monomer mixture comprising an amount of at least 90 wt % of the following monomers: vinylcaprolactam and/or vinylpyrrolidone; one or more of the monomers a) and/or b): a) acrylic acid ester of a linear, primary alcohol having 2 to 10 carbon atoms in the alkyl group of the alcohol, b) acrylic acid ester of a branched, non-cyclic alcohol having 3 to 12 carbon atoms in the alkyl group, at least one chlorinated polyolefin, and at least one metal compound selected from the group consisting of metal acetylacetonates, metal alkoxides and alkoxy-metal acetylacetonates.

Primer for adhesive tapes

Primer for adhesive tape with improved adhesion promoting properties, comprising a mixture G, which is dissolved or dispersed in one or more solvents, consisting of at least one copolymer obtained by copolymerization of a monomer mixture comprising an amount of at least 90 wt % of the following monomers: vinylcaprolactam and/or vinylpyrrolidone; one or more of the monomers a) and/or b): a) acrylic acid ester of a linear, primary alcohol having 2 to 10 carbon atoms in the alkyl group of the alcohol, b) acrylic acid ester of a branched, non-cyclic alcohol having 3 to 12 carbon atoms in the alkyl group, at least one chlorinated polyolefin, and at least one metal compound selected from the group consisting of metal acetylacetonates, metal alkoxides and alkoxy-metal acetylacetonates.

HOT MELT WETNESS INDICATOR ADHESIVE AND PRODUCTION PROCESS THEREOF

The present invention relates to a hot melt wetness indicator adhesive for personal hygiene disposable articles, specifically, to a hot melt that does not cause skin irritation or skin allergies. The hot melt wetness indicator adhesive is comprised of a polymeric component, a resin component, a plasticizer component, a surfactant component, a pH indicator, and an antioxidant component.

HOT MELT WETNESS INDICATOR ADHESIVE AND PRODUCTION PROCESS THEREOF

The present invention relates to a hot melt wetness indicator adhesive for personal hygiene disposable articles, specifically, to a hot melt that does not cause skin irritation or skin allergies. The hot melt wetness indicator adhesive is comprised of a polymeric component, a resin component, a plasticizer component, a surfactant component, a pH indicator, and an antioxidant component.

ACTIVATED CARBON COMPOSITE WOUND DRESSING

Composite wound dressings including an activated carbon material, a barrier material layer, a liquid-absorbing material layer and an outer liquid-impermeable layer are disclosed herein. The composite wound dressings include a bond substantially bonding a portion of the liquid-impermeable outer layer and the barrier material layer to the activated carbon containing layer, the bond forming a sealed pouch of un-bonded layer of the composite and encapsulating the liquid-absorbing layer. Methods for manufacturing and using such composite wound dressings to effectuate healing of wounds on humans or other animals are described herein.

ACTIVATED CARBON COMPOSITE WOUND DRESSING

Composite wound dressings including an activated carbon material, a barrier material layer, a liquid-absorbing material layer and an outer liquid-impermeable layer are disclosed herein. The composite wound dressings include a bond substantially bonding a portion of the liquid-impermeable outer layer and the barrier material layer to the activated carbon containing layer, the bond forming a sealed pouch of un-bonded layer of the composite and encapsulating the liquid-absorbing layer. Methods for manufacturing and using such composite wound dressings to effectuate healing of wounds on humans or other animals are described herein.