Method of making laser-engraveable flexographic printing precursors
US8563087B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2011 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Feb 22, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41N1/22
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Flexographic printing precursors are prepared by providing an elastomeric mixture of one or more elastomeric resins and non-metallic fibers having an average length of at least 0.1 mm and an average diameter of at least 1 μm, and adding a vulcanizing composition and optional other components to the elastomeric mixture. The elastomeric mixture is then mechanically treated to orient the non-metallic fibers predominantly in the same dimension in the elastomeric mixture. It is then vulcanized and formed into a laser-engraveable layer having two orthogonal dimensions. The non-metallic fibers are predominantly oriented in one of the two orthogonal dimensions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.