Patent · US Active

Plastic material for printing by dye diffusion thermal transfer printing

US11807025B2 · kind B2 · utility

0Cited by

8References

23Claims

0Family size

Assignees

Evonik Operations GmbH · DE
Evonik Specialty Chemicals (Shanghai) Co., Ltd. · CN

Inventors

Huifeng Yu · Shanghai, CN
Jianmin Yang · Shanghai, CN
Fei Teng · Qingdao, CN
Chenyu Ye · Shanghai, CN
Florian Hermes · Haltern am See, DE
Martin Wielpütz · Senden, DE

Key dates

Filing date	May 25, 2018
Grant date	Nov 7, 2023
Priority date	—
Expiry date	May 25, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41M2205/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A plastic material is useful as an ink receiver or printing medium in dye diffusion thermal transfer printing, wherein the plastic material has a polyamide component (a), and a (co)-polyamide (b) based on ether units and amide units. This plastic material can be used to make a layered structure. The layered structure can be used in dye diffusion thermal transfer printing. A security and/or valuable document with the layered structure can be obtained. Based on the finding that the (co)-polyamide (h) offers sufficient absorbency for the printing ink, the layer produced from the plastic material can be printed on by means of dye diffusion thermal transfer printing with a good color intensity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.