Transparentized fibrous materials and process for making same
Abstract
Abstract A TRANSPARENTIZED FIBROUS MATERIAL AND PROCESS FOR ITS PREPARATION IS DISCLOSED. A FIBROUS MATERIAL IS TREATED WITH AN IMPREGNATING LIQUID CONTAINING A POLYOL HAVING TWO OR MORE HYDROXYL FUNCTIONS PART OR ALL OF WHICH ARE ETHERIFIED OR ESTERIFIED WITH RADICALS CONTAINING ONE OR MORE ETHER OR ESTER LINKS AND FREE HYDROXYL GROUPS, AND ALSO CONTAINING METHYLOL DERIVATIVES OF A POLYAMINO COMPOUND TOGERHER WITH A CONDENSATION CATALYST. THE IMPREGNATED FIBROUS MATERIAL IS CURED BY RESINATION REACTION IN SITU AND IMMOBILIZATION OF THE IMPREGNATED MATERIAL. A TRANSPARENTIZED FIBROUS MATERIAL RESULTS WHICH IS RESISTANT TO WATER, MOST ORGANIC SOLVENTS, AND HEAT AND IS USEFUL FOR USE AS TRACING MATERIALS AS WELL AS A TRANSLUCENT BASE FOR SENSTIZING WITH REPROGRAPHIC COATINGS.
Inventors
- 👤 P Muller
Bibliographic Details
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