Thermoregulatory coatings for paper
US10837143B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2015 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Oct 27, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H19/82
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
There are provided thermoregulatory coatings for paper comprising a nano structured phase change material (PCM) and a protective layer, the PCM including a first agent that undergoes an endothermic phase transition at a desired temperature and a second agent that assists in maintaining a nano structure, and the protective layer providing a basecoat, a top-coat, or both. There are also provided coated papers and articles comprising such coatings, and methods for preparation thereof. Coated papers and articles provided herein have a wide range of application, for example in packaging or transport of temperature-sensitive materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.