C08L33/064

SKIN COMPATIBLE SILICONE COMPOSITION
20210346569 · 2021-11-11 ·

A skin compatible component attachable to mammalian skin. The component is formed as a silicone matrix comprising a polyorganosiloxane derived silicone polymer and a moisture control particulate and permeability modifying polymer distributed within the polymer network. The skin compatible component may be utilised as an ostomy wafer or flange to secure an ostomy appliance to the skin and in particular peri-stomal skin.

SKIN COMPATIBLE SILICONE COMPOSITION
20210346569 · 2021-11-11 ·

A skin compatible component attachable to mammalian skin. The component is formed as a silicone matrix comprising a polyorganosiloxane derived silicone polymer and a moisture control particulate and permeability modifying polymer distributed within the polymer network. The skin compatible component may be utilised as an ostomy wafer or flange to secure an ostomy appliance to the skin and in particular peri-stomal skin.

Acrylic Resin Composition, Crosslinked Product and Method for Producing Crosslinked Product
20220002534 · 2022-01-06 · ·

Disclosed is a resin composition containing an acrylic resin having a carboxy group and a polyfunctional vinyl compound, wherein the acrylic resin contains 0.6 mmol/g or more of the carboxy group, and wherein the polyfunctional vinyl compound contains two or more structural units represented by the following Formula (1) per molecule.

##STR00001## (* symbols in the formula each independently represent an atom that is bonded with the structural unit represented by Formula (1) and contained in another structural unit included in the polyfunctional vinyl compound but that is not contained in the structural unit represented by Formula (1) and in Formula (1), R.sup.1 and R.sup.2 each independently are a hydrogen atom or a hydrocarbon group having 1 to 15 carbon atoms.)

Acrylic Resin Composition, Crosslinked Product and Method for Producing Crosslinked Product
20220002534 · 2022-01-06 · ·

Disclosed is a resin composition containing an acrylic resin having a carboxy group and a polyfunctional vinyl compound, wherein the acrylic resin contains 0.6 mmol/g or more of the carboxy group, and wherein the polyfunctional vinyl compound contains two or more structural units represented by the following Formula (1) per molecule.

##STR00001## (* symbols in the formula each independently represent an atom that is bonded with the structural unit represented by Formula (1) and contained in another structural unit included in the polyfunctional vinyl compound but that is not contained in the structural unit represented by Formula (1) and in Formula (1), R.sup.1 and R.sup.2 each independently are a hydrogen atom or a hydrocarbon group having 1 to 15 carbon atoms.)

Multi-layer coextrusion method
11214045 · 2022-01-04 · ·

Method used to protect a thermoplastic polymer consisting of superposing a protective layer (I) comprising an acrylic copolymer comprising, by weight (the total making 100%): from 80 to 99.8% of methyl methacrylate (MMA), from 0 to 20% of at least one comonomer that can be copolymerized with MMA by a radicalar method, and from 0.2 to 10% of maleic anhydride or 15% of acrylic and/or methacrylic acid and possibly anhydride groups with a formula: ##STR00001##
in which R.sub.1 and R.sub.2 denote H or a methyl radical, a layer of at least one thermoplastic polymer (II), all these steps being performed in order by coextrusion, by hot compression or by multi-injection.

Method for preparing graft copolymer complex, graft copolymer complex, and thermoplastic resin composition comprising graft copolymer complex

The present invention relates to a method for preparing a graft copolymer complex, a copolymer complex prepared by the method, and a thermoplastic resin composition comprising the copolymer complex, wherein the method comprises emulsion-polymerizing a conjugated diene-based polymer, an aromatic vinyl-based monomer, and an alkyl (meth)acrylate-based monomer to prepare a graft copolymer latex; and adding an imidazole-based ionic compound to the graft copolymer latex and coagulating the same.

Dispensable polyimide aerogel prepolymer, method of making the same, method of using the same, and substrate comprising patterned polyimide aerogel
11753517 · 2023-09-12 · ·

A method for manufacturing a patterned polyimide aerogel film on a substrate includes: dispensing a polyimide prepolymer sol onto a first portion of a surface of a substrate, a second portion of the surface of the substrate being substantially free of the polyimide prepolymer sol; forming a patterned film of a polyimide prepolymer gel on the substrate from the polyimide prepolymer sol; drying the polyimide prepolymer gel to form a patterned film of a polyimide prepolymer aerogel on the substrate; and curing the polyimide prepolymer aerogel on the substrate to form the patterned polyimide aerogel film on the first portion of the surface of the substrate, the second portion of the surface of the substrate being substantially free of the patterned polyimide aerogel film.

BLENDS OF ETHYLENE VINYL ACETATE COPOLYMER AND ALPHA OLEFIN MALEIC ANHYDRIDE COPOLYMER AS HEAVY POUR POINT DEPRESSANTS
20230139145 · 2023-05-04 · ·

A composition is provided that includes about 2 wt. % to about 25 wt. % of a copolymer including ethylene and vinyl acetate; about 2 wt. % to about 20 wt. % of a copolymer including an α-olefin and maleic anhydride; and about 55 wt. % to about 96 wt. % of a solvent. The composition can be used to decrease the pour point of a hydrocarbon, such as crude oil.

BLENDS OF ETHYLENE VINYL ACETATE COPOLYMER AND ALPHA OLEFIN MALEIC ANHYDRIDE COPOLYMER AS HEAVY POUR POINT DEPRESSANTS
20230139145 · 2023-05-04 · ·

A composition is provided that includes about 2 wt. % to about 25 wt. % of a copolymer including ethylene and vinyl acetate; about 2 wt. % to about 20 wt. % of a copolymer including an α-olefin and maleic anhydride; and about 55 wt. % to about 96 wt. % of a solvent. The composition can be used to decrease the pour point of a hydrocarbon, such as crude oil.

Transparent films based on resin components having a high glass transition temperature

Films having high light transmission values, low haze and high glass transition temperatures and useful, for example, as optical protection films and zero-zero optical retardation films, are prepared using one or more copolymers of methyl methacrylate having certain characteristics.