| 摘要 |
The composition contains cellulosic material chips obtained from softwoods, hardwoods, bamboo and plant stems, in addition to from more than 10 vol.% to less than 95 vol.% additives such as glass shards, natural stone, rubber, plastic, ceramic, earth, metal and similar material granules. An independent claim is also included for a method for preparing the composition, comprising the following steps: (1) adding adhesive to a mixture of the cellulosic material and additives; (2) adding the mixture to a mould and vibrating the mould in order to remove air bubbles; (3) pressing the mixture at elevated temperature and pressure to form a board; (4) coarse grinding the board until the grain is clearly visible; (5) filling in the holes with transparent filler; (6) grinding the filler; (7) polishing; and (8) painting. |
