Light-Colored Engineered Wood Boards

Abstract

Light-colored woodbase boards are manufactured from wood fiber bleached and colored with liquid colorant preparations comprising at least one pigment and at least one dye which absorbs in the visible region of the electromagnetic spectrum.

1 . A light-colored woodbase board manufactured from wood fiber bleached and colored using a liquid colorant preparation comprising at least one pigment and at least one dye which absorbs in the visible region of the electromagnetic spectrum. 
     
     
         2 . The woodbase board according to  claim 1 , wherein the wood fiber is bleached first oxidatively and then reductively. 
     
     
         3 . The woodbase board according to  claim 1 , wherein the wood fiber is colored with a colorant preparation comprising 0.01% to 10% by weight of dye, based on the pigment. 
     
     
         4 . The woodbase board according to  claim 1 , wherein the wood fiber is colored with a colorant preparation comprising
 (A) 10% to 70% by weight of at least one pigment,   (B) 0.05% to 7% by weight of at least one dye which absorbs in the visible region of the electromagnetic spectrum,   (C) 1% to 50% by weight of at least one dispersant,   (D) 10% to 88.95% by weight of water or of a mixture of water and at least one water retainer, and   (E) 0 to 5% by weight of further typical colorant preparation ingredients.   
     
     
         5 . The woodbase board according to  claim 1 , wherein the wood fiber is colored in a standard depth of shade of ≦ 1/9 with said colorant preparation. 
     
     
         6 . The woodbase board according to  claim 1 , wherein the wood fiber is colored with a colorant preparation having a CIELAB luminance L*≧75. 
     
     
         7 . The woodbase board according to  claim 1 , which is an MDF or HDF board or chipboard. 
     
     
         8 . (canceled) 
     
     
         9 . A fitting comprising the woodbase board according to any of  claim 1 .