Title:
【発明の名称】木材を着色する方法
Document Type and Number:
Japanese Patent JP2003511259
Kind Code:
A
Abstract:
A process for pigmenting wood, which comprises treating wood in succession:a) with a solution comprisingfrom 0.01 to 80% by weight, based on the solution, of a compound of the formulain which x is an integer from 1 to 8,A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, indanthrone, isoindolinone, isoindoline, dioxazine, azo, phthalocyanine or diketopyrrolopyrrole series which is attached to x groups B via one or more heteroatoms, these heteroatoms being selected from the group consisting of N, O and S and forming part of the radical A,B is hydrogen or a group of the formulaat least one group B not being hydrogen and, if x is a number from 2 to 8, the groups B being identical or different, andL is any desired group suitable for solubilization; andfrom 0.05 to 5% by weight, based on the solution, of a salt of the formulaorin which Kat<+> is lithium, sodium, potassium or ammonium, An<-> is formate, acetate, propionate or hydrogen carbonate, An<2-> is oxalate, maleate, fumarate, malonate, carbonate or hydrogen phosphate, and An<3-> is citrate or phosphate,in water or an organic solvent or in a single-phase mixture thereof,b) with a solution comprising from 0.01 to 50% by weight, based on the solution, of an organic C1-C6carboxylic acid in water or an organic solvent or in a single-phase mixture thereof, andc) converting the compound of the formula (I) thermally to a pigment of the formula A(H)x (V).
More Like This:
| JPS59148611 | MANUFACTURE OF ARTIFICIAL DECORATIVE VENEER |
| JPS52120105 | METHOD OF DECOLORING WOODS |
| JP2021011040 | METHOD FOR LIGHTENING TIMBER AND PROCESSED TIMBER |
Inventors:
Schacht, Hans-Thomas
Mwagur, Gilbert
Yarn, liner
Griessen, Christiane
Shy bri, peter
Mwagur, Gilbert
Yarn, liner
Griessen, Christiane
Shy bri, peter
Application Number:
JP2001527964A
Publication Date:
March 25, 2003
Filing Date:
September 26, 2000
Export Citation:
Assignee:
Ciba Specialty Chemicals Holding Incorporated
International Classes:
B27K5/02; (IPC1-7): B27K5/02
Attorney, Agent or Firm:
Hajime Tsukuni (1 person outside)