| abstract |
PROCEDURE FOR THE MANUFACTURE OF ARTICLES WITH A SIMILAR APPEARANCE TO LEATHER FROM INTERPOLYMERS OF ETHYLENE WITH LOADS OF WOOD. IT INCLUDES THE FOLLOWING OPERATIONS: FIRST, IT IS INTRODUCED IN AN INTENSIVE MIXING APPARATUS OF HIGH FRICTION UNAMMIX FORMED BY 15 TO 55% BY WEIGHT OF COPOLYMER OF ETHYLENE, BY 1 TO 15% BY WEIGHT OF A PLASTIFYER, BY 20 A 70% BY WEIGHT OF A CELLULOSIC CHARGE, BY 0 TO 10% BY WEIGHT OF AN ADDITIVE, AND BY 0 TO 27.5% BY WEIGHT OF AN ELASTOMERIC POLYMER; SECOND, THE MATERIAL OBTAINED IN THE PREVIOUS STAGE IS MOLDED; THIRD, THE MATERIAL OBTAINED IS TREATED IN A CYLINDER MILL, TO GET THE DESIRED TEXTURE OF ITS SURFACE; AND FINALLY, THE MATERIAL IS DEPOSITED ON A SUBSTRATE. |