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Wet glue
US9796888B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9796888-B2 |
| Application number | US-201715426100-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 7, 2017 |
| Priority date | Jun 28, 2012 |
| Publication date | Oct 24, 2017 |
| Grant date | Oct 24, 2017 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An aqueous adhesive composition including a certain emulsion polymer and an epoxysilane wherein the adhesive composition is substantially free from crosslinking agent is provided. A method for providing a substrate bearing a paper label, the adhered label having ice water resistance, and a method for removing the paper label from the substrate are also provided.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for removing a paper label from a substrate, comprising: providing the substrate bearing the paper label, the paper label comprising: an aqueous adhesive composition substantially free from crosslinking agent, the adhesive composition comprising: an emulsion polymer comprising, as copolymerized units, from 10% to 35%, by weight based on the emulsion polymer weight, carboxylic acid monomer and at least one second ethylenically unsaturated monomer; and from 0.1% to 4%, by weight based on the emulsion polymer dry weight, an epoxysilane; and contacting the removable paper label with an alkaline solution for a time and at a temperature sufficient to remove the paper label. 2. The method of claim 1 , wherein the time is not to exceed 5 minutes. 3. The method of claim 1 , wherein the temperature is from 65 to 75° C.
Assignees
Inventors
Classifications
Homopolymers or copolymers of acrylic acid esters · CPC title
Removing layers, or parts of layers, mechanically or chemically · CPC title
Labels, badges · CPC title
- C09J133/12Primary
Homopolymers or copolymers of methyl methacrylate · CPC title
- B32B37/1284Primary
Application of adhesive · CPC title
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Frequently asked questions
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- What does patent US9796888B2 cover?
- An aqueous adhesive composition including a certain emulsion polymer and an epoxysilane wherein the adhesive composition is substantially free from crosslinking agent is provided. A method for providing a substrate bearing a paper label, the adhered label having ice water resistance, and a method for removing the paper label from the substrate are also provided.
- Who is the assignee on this patent?
- Rohm & Haas
- What technology area does this patent fall under?
- Primary CPC classification C09J133/12. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Oct 24 2017 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).