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Paper (Total 9 Products)

Product categories of Paper, we are specialized manufacturers from China, Paper Dyes, Paper Dyes Applications suppliers/factory, wholesale high-quality products of Paper Dyes Industries R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
Direct Dyes for Paper
Direct dyes for paper Direct dyes are usually sodium salts of azo dyes with several sulphonic or carboxyl groups in order to increase solubility of the dye The direct dye group has good affinity for furnishes used in papermaking and good fastness to...
Basic Dyes For Paper
Basic dyes for paper The basic dyes are intended for use in the tinting of newsprint wood containing papers these products can also be used in recycled packaging grades There s only liquid available where a suffix L appears after the color index...
Pigment Dispersion for Paper Dyeing (PD)
Pigment dispersion P PD PD T range are pigment dispersions for paper dyeing and coating
Pigment Dispersion for Paper Dyeing (PD-T)
Pigment dispersion P PD PD T range are pigment dispersions for paper dyeing and coating
Pigment Dispersion for Paper and Special Application (P)
Pigment dispersion P PD PD T range are pigment dispersions for paper dyeing and coating
Chemicals for Thermal Paper
Chemicals for Thermal Paper Color Formers for Thermal Paper CAS NO 2 Phenylamino 3 methyl 6 diethylaminofluorane ODB 1 29512 49 0 2 Phenylamino 3 methyl 6 dibutylaminofluorane ODB
Optical Brightener Liquid For Paper
OPTICAL BRIGHTENER LIQUID FOR PAPER The optical brightener applied in paper marking process are mainly derivatives of stilbene bistriazine Based on sulphonation there re three types GENERAL TYPE APC tetrasulphonic acid having good fibre affinity...
Acid Dyes For Paper
Acid dyes for paper Selected series of anionic dyes offering brightness and moderate to good lightfastness Useful in calendar stains and nip dip application Some available in liquid as well as powders Dynapaper C I CAS

China Paper Suppliers

Paper dyeing process, the object is to dye the role of paper fibers. Mechanism of different Dyes with different pulp, wood is known as basic dyes great affinity, suitable for dyeing pulp lignin content; pulp surface with a strong negative charge, then the Direct Dyes hardly adsorbed ions , with it to reduce the surface charge, the dye near the fiber surface is fixed. Such non-electrostatic adsorption caused, bauxite is commonly used in papermaking dye retention agent, because the majority of paper dyes are anionic, cationic aluminum compound and anionic dye-forming cation may be precipitated and adsorbed on the fiber surface which is to retain this mechanism occurs at pH 4.0-5.2, then the charge density of the aluminum ions is high, the charge is stronger.
Dyes commonly used in the paper coating colored paper, the dye and the paper fibers by covalent bond, ionic bond between, with the key, and molecular hydrogen binding forces, which depends on the color fastness of adhesion strength, exactly in what based combination, depending on the structure of the dye molecule.

Eric Wang

Mr. Eric Wang

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