Production and Application of Lignosulfonates and · A similar process to that outlined in Scheme 4 may be used, but neutralization can be achieved with sodium carbonate rather than calcium oxide to precipitate the sodium salt of the sulfonated lignin. 72 This process reported to increase the sulfonate groups of lignin by 2.5 mol mol −1. 72 However, product purification can be difficult because the sulfonated lignin is water soluble
Disodium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3 · EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician.
US4715864A - Lignosulfonate salts for use as dyestuff An improved lignosulfonate salt composition particularly suited for use as a dyestuff dispersant in azo dyestuff-containing dye systems wherein a sulfonated lignin salt is modified by ion-exchange reaction with an amine compound having a lower dissociation constant and pKa than the dissociation constant and pKa of the cation of the sulfonated lignin salt to provide a Cited by: 1
US4551151A - Dyestuff composition: disperse or vat dye and Improved dyestuff compositions are disclosed herein comprising, as dispersants, sulfonated lignins prepared by selectively isolating lignins having molecular weights greater than 5,000 and subsequently reacting the lignin with sodium sulfite and an aldehyde.Cited by: 13
sodium ligno sulfonate, sodium lignin, sodium Sodium Ligno Sulfonate Sodium lignosulphonate is a kind of natural anionic surfactant of high molecular polymer, which is rich in sulfo group and carboxyl and has better water-solubility, surfactivity and dispersion force, made by a process of filtration, inspissation, chemical modification and spray drying with woord as raw material.
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Chemicals PRODUCTS Nippon Paper Group Lignin products have three functions: dispersing, binding and chelating. Dispersing Lignosulfonate is a high weight electrolyte containing sulfonate, carboxyl and
Sodium Lignosulfonate For Sale - Kingsun Chemicals Sodium lignosulfonate, also called lignosulfonic acid sodium salt, is a anionic surfactant made by wood pulp, with medium molecular weight and low sugar content. As the first generation concrete admixture, Kingsun sodium lignosulphonate has features of low ash, low gas content and strong adaptability for cement.
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Lignosulfonates, Sulfonated Lignin, Red Liquor, Lignin Lignosulfonates . Lignosulfonates (Sulfonated Lignin) are environment-friendly, co-products from the production of dissolving pulp. The sulfite pulping process creates Red and Black Liquors which are water-soluble anionic polyelectrolyte polymers with high molecular weight.
US4715864A - Lignosulfonate salts for use as dyestuff An improved lignosulfonate salt composition particularly suited for use as a dyestuff dispersant in azo dyestuff-containing dye systems wherein a sulfonated lignin salt is modified by ion-exchange reaction with an amine compound having a lower dissociation constant and pKa than the dissociation constant and pKa of the cation of the sulfonated lignin salt to provide a
Sodium Lignosulfonate - Sodium Lignosulfonate Chemical Sodium Lignosulphonate ( lignosulfonate ) is a water reducer and is mainly used for concrete mixture as water-reducing additive. This chemical has low air content, water reducing rate is high, low dosage, adapt to most kind of cement.
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Lignosulfonate salts for use as dyestuff additives Dec 29, 1987· Lignin to dye ratio = 1 g/0.1 g . Samples of a sodium salt of a sulfonated lignin product (POLYFON O, a product of Westvaco Corporation) wherein sulfonation occurs in the lignin side chain were prepared and modified by addition of 1 mole of triethanolamine, prepared at difference pH levels, and compared with an unmodified POLYFON O sample.
Lignin Chemicals and Their Applications - ScienceDirect · The lignin dye dispersant can be used for various types of dyes; therefore, increasing importance is being given to lignin dye dispersants. China began to use lignin dye dispersant in the 1970s and has developed several series of dye-dispersant products (from M-9 to M-15) . Lignin dye dispersants currently account for 30%–40% of the
Sodium/Calicum Lignin Sulfonic Acid as Fertilizer Additives Sodium/calicum lignin sulfonic acid as Fertilizer Additives Product Introduction The sodium lignosulfonate, which is prepared from alkaline pulping black liquor through filtration, sulfonation, concentration and spray drying, and is a powdery low air-entrained set retarding and water reducing admixture, belongs to an anionic surface active substance, has absorption and
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Magnesium Lignosulfonate - GREEN AGROCHEM-LIGNIN Magnesium lignosulfonate is produced from softwood in the sulfite pulping method for manufacturingpaper,is an amorphous brown powder,soluble in water. Main Speecification Product Name Magnesium Lignosulphonate Product code GAC-MgLS Appearance Light Yellow Powder Solubility 98.5%min Lignosulphonate 55%min Sulphate 2%min Water Reducing Capacity
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