Heat shrinkable film comprising polyester based copolymer
US10696806B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2014 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Jun 16, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2367/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A heat shrinkable film comprising a polyester based copolymer is provided. The heat shrinkable film according to an exemplary embodiment of the present invention includes a polyester based copolymer, wherein the polyester based copolymer includes: a dicarboxylic acid-derived residue including a residue derived from an aromatic dicarboxylic acid; and a diol-derived residue including a residue derived from 4-(hydroxymethyl)cyclohexylmethyl 4′-(hydroxymethyl)cyclohexane carboxylate represented by the following Chemical Formula 1 and a residue derived from 4,4-(oxybis(methylene)bis) cyclohexane methanol represented by the following Chemical Formula 2;
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.