Non-hazardous water-based polyurethane dispersion
US-12110373-B2 · Oct 8, 2024 · US
Aqueous coating agent and gas barrier film
US9951249B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9951249-B2 |
| Application number | US-201514921720-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 23, 2015 |
| Priority date | Apr 25, 2013 |
| Publication date | Apr 24, 2018 |
| Grant date | Apr 24, 2018 |
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- Title
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Abstract
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An aqueous coating agent of the invention comprising (A) an aqueous polyurethane resin containing a polyurethane resin having an acid group and a polyamine compound, (B) a water-soluble polymer, and (C) an inorganic layered mineral as main constituents, wherein solid formulation ratios of the aqueous polyurethane resin (A), the water-soluble polymer (B) and the inorganic layered mineral (C) occupied in a total solid content of the aqueous coating agent are within approximate ranges indicated below. Aqueous polyurethane resin (A): 5 to 60 mass % Water-soluble resin (B): 25 to 80 mass % Inorganic layered compound (C): 8 to 20 mass %
First claim
Opening claim text (preview).
What is claimed is: 1. An aqueous coating agent, comprising: (A) an aqueous polyurethane resin containing a polyurethane resin having an acid group and a polyamine compound, (B) a water-soluble polymer comprising polyvinyl alcohol, and (C) an inorganic layered mineral as main constituents, wherein solid formulation ratios of the aqueous polyurethane resin (A), the water-soluble polymer (B) and the inorganic layered mineral (C) occupied in a total solid content of the aqueous coating agent are within approximate ranges indicated below: aqueous polyurethane resin (A): 5 to 60 mass %, water-soluble resin (B): 25 to 80 mass %, inorganic layered compound (C): 8 to 20 mass %, wherein the acid group of the polyurethane resin is at least one of a carboxyl group or a sulfonic group, and wherein the inorganic layered compound comprises water-swellable mica having an average particle size of 1 to 10 μm and a thickness of 10 to 100 nm. 2. The aqueous coating agent of claim 1 , wherein the water-soluble polymer (B) is made of a polyvinyl alcohol resin having a degree of saponification of not less than about 95%. 3. The aqueous coating agent of claim 1 , wherein the inorganic layered compound comprises the water-swellable mica, which is synthetic, and purified montmorillonite. 4. A gas barrier film, comprising: a base material film made of a plastic material, and a film which is formed on one or opposite surfaces of the base material film and is comprised of (A) an aqueous polyurethane resin containing a polyurethane resin having an acid group and a polyamine compound, (B) a water-soluble polymer comprising polyvinyl alcohol, and (C) an inorganic layered mineral as main constituents, wherein solid formulation ratios of the aqueous polyurethane resin (A), the water-soluble polymer (B) and the inorganic layered mineral (C) in a total solid content of the aqueous coating agent are within approximate ranges indicated below: aqueous polyurethane resin (A): 5 to 60 mass %, water-soluble resin (B): 25 to 80 mass %, inorganic layered mineral (C): 8 to 20 mass %, wherein the acid group of the polyurethane resin is at least one of a carboxyl group or a sulfonic group, and wherein the inorganic layered compound comprises water-swellable mica having an average particle size of 1 to 10 μm and a thickness of 10 to 100 nm. 5. The gas barrier film of claim 4 , wherein the water-soluble polymer (B) is made of a polyvinyl alcohol resin having a degree of saponification of not less than about 95%. 6. The gas barrier film of claim 4 , wherein the inorganic layered compound (C) comprises the water-swellable mica, which is synthetic, and purified montmorillonite.
Assignees
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Classifications
with only one layer of a composition containing a polymer binder (with more layers C08J7/042) · CPC title
comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers · CPC title
Inorganic coating · CPC title
mono-axially · CPC title
Packaging equipment or accessories not otherwise provided for · CPC title
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- What does patent US9951249B2 cover?
- An aqueous coating agent of the invention comprising (A) an aqueous polyurethane resin containing a polyurethane resin having an acid group and a polyamine compound, (B) a water-soluble polymer, and (C) an inorganic layered mineral as main constituents, wherein solid formulation ratios of the aqueous polyurethane resin (A), the water-soluble polymer (B) and the inorganic layered mineral (C) occ…
- Who is the assignee on this patent?
- Toppan Printing Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C09D175/04. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 24 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).