lignin

"Lignin is going to be one of the big drivers of the switch from oil -based to biobased products, " he predicted.

In the early stages of a sulfite cook, equal parts of cellulose and lignin appear to be removed.

Lignin extraction can be improved through adding the paper pulp cleaning agent into a clean area (212) and a paper pulp cleaning part (30).

The complex structures of the straw's cellulose and lignin components make it hard for the microorganisms to break them down.

Researchers have previously tried to get around the problem by genetically decreasing the lignin content in plants.

Similar to other plants, cellulose, hemicellulose and lignin are the main chemical constituents of this plant.

Freshly blown pulp turns a reddish brown when exposed to air, on account of oxidation of lignin and coloring matter remaining in the pulp.

The heat and chemicals inside the digester causes the lignin to dissolve without breaking down the wood fibers.

With its unique blend of pronutri-lignin*, this newspaper may help to weaken the appearance of fine lines.

Therefore, SFP lignin and its modified products can be used as a thinning and foaming agent for drilling fluids, as wells a fl. . .

This means are also good, roasts after the fire button, not only bleached completely, moreover the lignin trace also came out.

Lignin is difficult to be removed during retting process. Lignin has a greater impact on the fiber quality and performance of the textiles.

The lignin content reduced gradually along with the increment of N fertilizer dosage, and was little influenced by K fertilizer dosage.

while for improving toughness index, polyester fiber is the best, glass fiber the second, and lignin fiber the least.

Lignin One of the main structural materials of vascular plants.

Chemical Agents: silica dioxide, diatomite, sodium silicate, wood calcium, sodium lignin sulfonate, naphthalene series water reducer.

The optimal technological conditions for extracting lignin in paper-mill black liquor by acidification have been proposed in this paper.

Lignin has influences at different extents on mechanical properties, ageing property, thermostability and thermal degradation of plastics.

Microbes in the gut of insects are known to break down cellulose, but little is known about how, or whether, insects degrade lignin.

Up to 30%~40% of the modified lignin can be added to the PF resin.

The copolymerization reaction and its kinetics of lignin and phenol with peroxidase as catalyst were researched.

By the innumerable tiny lignin granulometric composition lignin dust may say is blocks the sky.

Kraft lignin must be further reacted to make a functional drilling-fluid additive.

Lignin is used in tertiary oil recovery as a cheap surface active agent, it has a extensive expecting of using in oil field.

Lignin content and composition are two important agronomic traits for the utilization of agricultural residues.

Generally a higher lignin content in a particular wood species will result in lower movement or greater stability.

The reactivity of wheat straw soda lignin(WSSL) can be improved by demethylation modification.

Various alkali lignin base compound fertilizers were developed and applied to the fields on trial.

The results showed that lignin, compatibility, plasticizer, rotation speed and temperature all had obvious effects on the torque.

The heat resistance of rosin was improved by HBS lignin modification.

IR and UV spectrums obtained showed that the lignin extracted by this method kept original structure.

During the reminder of the cooking period, the lignin is removed at a greater rate than the cellulose.

With papermaking black liquor as its main source, Lignin is an important material that can be used in industry.

Under optimal conditions, the rates at which white rot fungi mineralize lignin rival their rates of polysaccharide degradation.

The treatments included two steps: pretreatment of straw to remove most lignin and the quaternization of the residual straw.

Therefore, reducing lignin content of ramie has the latent prospect through the genetic engineering from the source of the lignin content.

Lignin and plant disease resistance have a great mutuality, and cell wall lignification is an important mechanism to wheat slow rusting.

After the lignin is fairly well removed, further cooking destroys the cellulose without increasing the purity of the pulp.

This was main cause of polycondensation reaction between phosphoric acid and lignin.

The results show that lignin is widely used as oilfield chemicals and more attention should be paid in its study and development .

The results showed that lignin, degradable starch stock, plasticizer and temperature all had obvious effects on the torque.

It showed that isocyanate index (the ratio of NCO to OH) and lignin content influenced the properties of synthesized polyurethane.

Methoxy groups are abundant on the lignin structure, giving lignin many reactive sites and promoting its water solubility.

Lignin in the putamina of walnut can be separated from cellulose by hot high boiling solvents(HBS).

Lignin reticulated polyurethane foam was prepared in this paper, which would be used as filling in biological sulfureted hydrogen treatment.

Flax is an important bast fiber crop, and lignin has a greater impact on performance and quality of flax fibers.

The molding, quality and mechanics performance of lignin product were affected by viscosity properties of lignin sol .

The result showed that the lignin in black liquor is a kind of very fine materials that used to manufacture active carbon.

The invention provides a high water-absorbent composite material prepared with the raw materials of potato leaves and lignin sulfonate.

Under the condition of pretreatment, the condensation degree of lignin is relatively lower, compared with controlled kraft pulping.

The invention discloses a lignin-related protein as well as its gene encoding and application.

Results showed that the influence from lignin amount is obviously on the pore size and other basic properties for prepared carbon membrane.

Use alkaline water solution or organic solvents to separate enzymatic hydrolysis(EH)lignin from the corn stalks residue.

The effects of ethanolamine circulation on separating highly pure lignin were studied by GPC, IR spectrum and UV spectrum.

The effects of oxiammonolyzation by hydroperoxide on the main functional groups of wheat straw alkaline lignin were studied.

The recovery process of lignin from the alkaline reed paper-pulping effluent black liquor by acidulation precipitation was studied.

Lignin: Complex oxygen-containing organic compound, a mixture of polymers of poorly known structure .

Alkylation of wheat straw alkaline lignin was conducted by reacting lignin with different alkyl halides .

Also, tests find the influence on gluing strength pasty furfural lignin by different consumption of urea.

This fact provides evidence supporting the notion that in wood, lignin and carbohydrates are intimately associated with each other.

Mechanism studies and application of electrochemical oxidation of lignin are reviewed in this paper.

Aromatic compounds mainly come from the synthesis of resolvents of tannin, lignin and protein etc. in raw materials.

The variation degree of PAL activity, lignin growmjiight-growth of each Alnus cremastogyne clones is consistent.

Coal is composed mainly of lignin from plants that failed to decompose completely and were fossilised as a result.

Differentiation of softwood from hardwood by the lignin color reaction.

The lignin is a potential nature resource which can be used in the reality.

With a special pretreatment of mixture of acid-hydrolysis lignin and H_3PO_4, high adsorptivity powder (activated) carbon was made.

After heating treatment, the relative content of lignin increased, while holocellulose and alpha-cellulose decreased of 4 years bamboo.

And lignin in the long cell walls increased with age.

The lignin composite wood-like material can be sawn, drilled and nailed.

The principle of synthesizing additive, mainly made from lignin, for coal-water slurry(CWS) was studied.

The secondary xylem of trees and shrubs, lying beneath the bark and consisting largely of cellulose and lignin.

And GPC was applied in the determination of molecular weight and molecular weight distribution of lignin.

After chemical modification, the molecular weigh of the lignin is upgraded while the water solubility and surface activity were enhanced.

Therefore the modified lignin has bright prospect as sacrificial agent in the tertiary oil recovery.

vacuum or nitrogen protective sintering to gain the lignin ceramics with higher intensity.

Under mildness condition, straws are degraded into the three parts, cellulose, hemi cellulose and lignin by propionic acid.

The new process used alkaline lignin-phenol as bonding agent and ethyl sulphate as hardener is studied in this paper.

The LP- 2 chemical grout is a strengthened lignin chemical liquid consisting of wood pulp waste liquid, bridging agent and gelation agent.

From the above analysis we could see, the rap straw was degraded by the mutant strain, lignin had been significantly destroied.

detailed discussed the application of the UV, IR, NMR spectroscopy in the study of lignin structure.

Cellulose and lignin were degraded simultaneously .

The use of natural renewable resources of lignin, tannin, soybean protein, starch and chitosan in wood adhesive was introduced .

Structural differences in American oak's hemicellulose and lignin result in more intense vanilla, wood sugars, and toastiness.

The effects of transitional metal ions on the oxiammonolysis of wheat straw alkaline lignin with hydroperoxide were studied.

We suspect that the fungus produces enzymes that help the beetles degrade lignin.

And a tentative chemical structure of wheat straw lignin is introduced.

The methods of synthesis of polyurethane by using paper and acetic acid lignin as raw materials were investigated.

In addition, the lignin-related protein gene also has important theoretical value in revealing the mechanism of plant lignin biosynthesis.

FT-IR revealed the existence of hydrogen-bonding between lignin and EVA.

By sulfonation and fasculation reaction, sodium lignin sulfonate was modified as a dispersant(GCL3S) of coal water slurry(CWS).

The lignin structures and capabilities of reed and amur silver grass were studied and compared.

A new method of rapidly quantitatively analyze trace lignin in flax fiber by turbidimetry was proposed in this paper.

A few kinds of lignin alcohol ether nonionic surfactant were synthesized by lignin recovered from black liquor of paper manufacture.

Explain method of spectrum analysis to base basic particularity of lignin structure .

The structure and performance of lignin and comprehensive utilizations of lignin in adhesives were summarized in this paper.

Fats and protein behave like lignin in pyrolysis, but their reaction rates are higher than that of lignin.

The corn stover mainly consists of cellulose, hemicellulose and lignin.

STUDIES ON FIBER MORPHOLOGY AND LIGNIN DISTRIBUTION OF THE TRIPLOID OF POPULUS TOMENTOSA CARR.

the alkali lignin used in experiment is straw lignin.

Lignin is a characteristic component of secondary walls .

To measure the degree of change in the lignin, they first fed pin oak wood to Asian longhorned beetles.

In this paper, progress of extraction and comprehensive utilizations in industry and agriculture of lignin has been summarized.

Thismaterial includes cellulose, hemicelluloses, pectin, and lignin.

The cellulose and lignin content in biomass determines the ease of forming ?

This gene produces a protein that inserts itself between two lignin molecules when the lignin polymer is created.

Corn stalk is composed of cellulose, hemicellulose and lignin.

Water-coal-slurry was made by join the lignin additive or the new complex additive in Huating coal or Xinjiang coal.

Compared with other plants, the content of acid-insoluble lignin in the shell was higher, while the cellulose content was obviously lower.

The lignin is not needed in papermaking, however.

Lignin, as the second abundant natural polymer, has many limits when it is applied because of its complex structure.

Plants contain cellulose, lignin and pigment.

In paper manufacturing, lignin is dissolved from wood chips.

Uniconazole treatment could decrease the cellulose and lignin content of main stem of soybean.

The structural change of silver grass lignin in Auto-catalyzed ethanol-water pulping was studied by IR and 1H-NMR.

But wood decay by wood brown-fungi (Piptoporus betulinus) lignin was not degraded.

Cellulose polymers join in layers with the glue like substance lignin, which is another polymer .

The results show that the removal of lignin and is proportional to the time and maintained at between 45% -60%.

Trees containing less lignin and more cellulose would both grow faster and also produce more ethanol.

In the kraft paper process, lignin is solubilized by caustic soda.

phenolic hydroxyl and alcoholic hydroxyl of alkali lignin after reaction were 14.

A tree's rate of growth is limited by its lignin structure, which is what determines the tree's strength and form.

The bio-oil from xylan and lignin shows a higher thermal stability.

The result shows that the gh2 mutant is a lignin-deficient mutant, and GH2 encodes a cinnamyl-alcohol dehydrogenase (CAD).

Paper is made of fibers, lignin, resin, fillers, compounds such as feedstock composition and color.

Besides cellulose, there are hemicellulose and lignin.

This paper reviews the ultrastructural aspects of cell wall inhomogenous lignin distribution.

The lignin is burned to generate heat for the process.

Lignin and P cresol react each other from Infrared spectrum of the coploymer.

That is easier said than done, particularly if lignin is involved, since lignin is resistant to such conversion.

The plastic cement is powdery material including 50 percent of lignin and 50 percent of corn cement according to the weight percentage.

Lignin: The substance in wood which binds the fibres together. It can be removed by using the chemical pulping process.

Lignin is of special note because it is a highly polymerized aromatic.

Different pretreatments for bagasse were carried out and the contents of cellulose, semi-cellulose and lignin were determined in this paper.

The result shows the reaction order for lignin is 1. 2, and is about 1 for sodium hydroxide.

The structure of remainder lignin collapsing gradually, there is granular relic in the end.

The structure alteration of the lignin treated with saturated steam is more than that heated in dry condition.

But most of lignin has been discharged to the nature, causing environmental pollution.

Extracting lignin from fresh root of linen is 70 times higher than that from other plants by CO2 supercritical fluid extraction.

An experimental study of Herba Asari lignin on the heart allograft survival

Preparation of an amphoteric lignin flocculant and its decolorization performance research

Treatment of Antibiotics Pharmaceutical Effluent with a Novel Compound Modified Lignin-Based Flocculant

Relationship between Changes of Lignin Content in Different Parts of Radish Root and Hollowness during Storage

Measurement of Relative Molecular Mass Distribution of Wheat Straw Soda Lignin and Its Thermal Degradation Products

Research progress of characterization of white-rot fungus enzyme system for lignin degradation and its application

Advances in Study of Lignin Biosynthesis and Genetic Engineering Modification

Study of Chemical Composition of Lignin and Its Application

Modification of Oxygen Alkaline Wheat Straw Lignin and Its Application in Polyurethane Synthesis

Research Progress of Industrial Lignin Modification and Its Utilization as Fine Chemicals

Study on recovery of base and extraction of lignin from the black pulp liquid flowing out of paper mills

Evaluation of Utilization Performance of Modified Wheat Straw Alkali Lignin as a Dispersant of Coal-Water Slurry

Preparation of Water-Reducing Agent by Sulphonation Modification of Alkali Lignin and Its Performance Research

Research Development of the Reaction Characteristic between Lignin Quinonoid Chromophoric Group and Hydrogen Peroxide

The Application of Spectroscopy Technologies in Lignin Structural Characterization

Separation of lignin from cornstalks residue by enzymatic hydrolysis and its properties

Changes of lignin structure during oxygen delignification by pyrolysis-gas chromatography-mass spectrometry

Determination of Relative Molecular Mass Distribution of Soda Lignin and Kraft Lignin With Aqueous Gel Permeation Chromatography

Investigation on Aspects Impacting Preparation of Vanillin by Photocatalytic Oxidation of Lignin on Nano-Semiconductor

The Treatment of Oily Wastewater With a Modified Lignin-Based Oil Removal Flocculant

Using papermaking alkaline lignin to produce zinc lignosulfonate and its effect on corn growth

Flocculent Treatment of the Filtrate of Black Papermaking Liquor After Lignin Extraction in Acid Precipitation Oxidationprocess

The Performance of An Amphoteric Lignin Flocculant on Microbial Sludge Dewatering

Study of structural characterization of sulfomethylated wheat straw lignin

Degradation of Carbohydrate during Xylanase Treatment and Its Effect on the Lignin Solubility

Study of thermal analysis technology of sulfonated wheat-strew soda lignin

Application and mechanism of the lignin removal process for the treatment of paper mill wastewater

Recent Advances in Study of Lignin Biosynthesis and Manipulation

Isolation, Identification of Lignin-Degrading Bacteria and Purification of Lignin Peroxidase

Latest Progress of Lignin Separation from Kraft Pulping Black Liquor and its Application

Study on molecular weight controlling and distribution in copolymerization of lignin and phenol with peroxidase as catalyst

Absorptive and Slow-Released Properties of Lignin and Its Application in Fertilizer

Preparation and Characterization of Carbon Membrane Derived from Lignin-Phenol-Formaldehyde Resin

Characterization Comparison of Lignin Peroxidase and Manganese Peroxidase on Decoloration of Dyes

Study on the Factors Affecting Synthesis and Activity of Lignin Peroxidase from Phanerochaete chrysosporium

Study on Chemical Structure Characteristics of Wheat Straw Lignin from Enzymatic Hydrolysis-mild Acidolysis

Adsorption Behavior of Reactive Turquoise Blue KN-G in Aqueous Solutions on a Novel Spherical Lignin-based Adsorbent

Experimental Research of Using Lignin Calcium Sulphonate as the Filtering Aid of Magnetite Pulp

Advances in Research on Lignin Biosynthesis and Its Molecular Regulation

Application of Lignin and Its Modified Analogs in Environment Protection

DSC Characterization of the Reactions of Phenyl Isocyanate with Lignin, Cellulose and Wood Powder

Introduced several separation methods on lignin in wheat straw material, residual lignin in the pulp, dissolved lignin in the liquid;

Study on Modification of Alkali Lignin and its Water-reducing and Disperse Properties

Graft Sulfonation and Water Reducing-Performance Strengthening Effect of Acid Precipitation Lignin

Advances in Research on Lignin Biosynthesis and Its Genetic Engineering

Research Present Condition of Lignin Change and Biosynthesis Control of Bamboo Shoots During Preservation

Ozone Oxidizing Degradation of Alkali Wheat Straw Lignin and Application of the Modified Lignin

Study on performance of activation sulfonation straw alkali lignin superplasticizer GSAL

Preparation and Fundamental Characteristics of Spherical Lignin-Based Ion Exchange Resin

Relation of Lignin Absorption and Kappa Number of the Pulp in Ethanol Pulping

Epoxy resin synthesized from lignin as main raw material and its bonding properties

Relationship Between Pulp Bleachability and Residual Lignin Structure

Sulfuration Reaction of Soda Lignin and Adhesion Properties of Lignin- phenol - formaldehyde Resin

Electrochemical Oxidation Degradation of Chlorinated Lignin in Waste Water of Bleaching

Physical and Chemical Properties of Lignin and Its Study as Carrier of Fertilizers

Lignin Ammonolysis Response Influence Factor Discussion

Experimental study of lignin flash pyrolysis

Remote sensing of nitrogen and lignin in Mediterranean vegetation from AVIRIS data - Decomposing biochemical from structural signals

Studies on Production of Lignin Degradation Enzymes by White Fungi Coriolus versicolor and Phlebia radiata

Preparation and characterization of spherical lignin-based cation exchange resin

Lignin Content and Its Activity of Key Metabolic Enzymes in Transgenic Cotton

Measurement for Relative Molecular Mass Distribution of Lignin Dispersants

Floccubility of chitosan and its application in separating soluble lignin from pulping waste liquor

The application of lignin in epoxy resin can be summarized into three main ways: lignin can be used by blending with epoxy resin;

Research on Applications of Lignin and Its Derivatives in Paper Industry

Preparation and Application of Lignin Reticulated Polyurethane Foam

Applications of instrumental analysis techniques in lignin chemical

Slow releasing fertilizer production technology with the lignin applied in Flowers lawn

Study on oxidation of lignin by nitric acid and its reaction with calcium phosphate

A Study on Preparation of Activated Carbon for Refinement of Pharmaceuticals from Hydrolysis Lignin

Synthesis of Lignin Peroxidase and Decoloration of Model Printing Wastewater in the Aeration Reactor

Study on the Treatment of Oxygen-alkali Cooking Black Liquor from Papermaking by Acid Extracting Lignin Process

The Influence of Lignin Fibers on Compressive Properties of Reinforced Rigid Polyurethane Foam

Thermal softening of rattan canes: influence of the hemi cellulose- lignin matrix

compression molding: the lignin powder after soaked by phenolic resin and dried is laid in the mould to compress into molding;

Progress of Study and Application of High-efficient and Environmental-protective Sewage Agent of Lignin

Grey Relational Sorting Analysis of Lignin Carriers in TNT Wastewater Biodegradation by White Rot Fungi

Synthesis and Determination of Modification Rate of Lignin-Amine

Mechanisms of Separating Lignin from Black Liquid by Inorganic Microfiltration

Research on Lignin Flocculation for the Treatment of Glutamate Wastewater

The Methylolation of Alkali Lignin through Heterogeneous Catalysis

Lignin, alkali, reaction products with formaldehyde and sodium bisulfite

Chemical Modification of Lignin and Its Utilization

Preparation of Vanillin by Photocatalytic Oxidation of Lignin on Nano-Semiconductor

Modification and Applications of Lignin and its Derivate

Research on the application in coal-water slurry preparation with additive of Na-lignin grafted with acrylic acid

Development on Application Study of Lignin

Genetic engineering and lignin biosynthetic regulation in forest tree species

Advances of Investigation on the degradation of the lignin and cellulose by white rot fungi

Studies on the Catalytic Performance of Lignin Peroxidase in Nonionic Reversed Micelles

Industrialization Application of Lignin in Polymer Industry

Copolymerization of lignin and phenol with peroxidase catalyst and analysis of products

Synthesis of Condensed Lignin Model Compound and Formation Mechanism of LCC during Kraft Cooking

Study of Using Soda Lignin as Sizing and Reinforcing Agents

Study on the Application of Lignin and Its Derivatives as Retention Aids

Study on Quantitative Analysis of Hemicellulose and Cellulose and Lignin in Roughage of Cereal Straw

Optimum Conditions for Production of Lignin Peroxidase and Degrading Rice Straw with Crude Enzyme of LiP

Determination of the Content of Phenolic Hydroxyl Groups in Lignin and Pulp with FC-Method

used thioglycolic acid test for the determination of lignin content in leaves of species;

Recent Research Advances on the Lignin Biodegradation and Applications

Preparation of Spherical Lignin Cation Adsorption Resin with Black Pulping Liquor

Study on the Technique of Sulfonation of Alkali Lignin as a Water Reducing Agent

Synthetic Conditions and Performance of Lignin Based Polyurethane Film

The experimental study on modified lignin sulfonic acid calcium to prepare complex mortar agent

Isolation of Lignin from Wheat Straw Oxygen-Alkali Pulping Black Liquor and Lignin Modification

Change of lignin content and defense enzyme activity during resistant reaction to late blight in potato

Study on the Slowly Releasing Characteristics of Lignin Compound Fertilizer

Effect of modified lignin slow-releasing function on potassium fertilizer and potassium uptake by crops

Removal of phenol in the bleaching effluent with activated carbon produced from reed black liquor lignin

Effect of substrates with different lignin content on rumen fungal attachment and fermentation in the rumen of goats

Control of Molecular Weight in Peroxidase Catalyzed Copolymerization of Lignin with Phenol in Reversed Micellar Systems