Pulp Properties Modification TRIZ Cases

Removing bleaching steps reduces chemical consumption and energy usage while maintaining absorption time between 2 and 4 seconds.

High-density ceramic particles with controlled friction reduce energy input while enhancing burst strength in microfibrillated cellulose.

Freeze-drying hemp microfibers yields superelastic aerogels that resist structural collapse while maintaining 0.0215 W/mK thermal insulation.

Modified cellulosic fibers react with cyanuric halides to reduce hydrogen bonding, increasing tissue bulk and softness without compromising tensile strength.

A press drying process subjects mechanical pulp webs to heat and overpressure above 40 kPa alongside dry strength additives.

A fibrillation solution containing an aprotic solvent and aldehyde cleaves cellulose hydrogen bonds to produce nanosized fibers without mechanical crushing.

Carboxymethylcellulose intermediate product enables efficient conversion into microfibrillated cellulose with limited energy input.

Ammonium formate serves as a dual-function solvent and reagent to produce stable nanocellulose dispersions without toxic waste.

Preliminary oxidative treatment stabilizes bleached pulp brightness and prevents thermal yellowing without increasing optical brightener quantities.

Silicate ions intercalate cellulose fibrils to solubilize pulp without organic solvents or high energy consumption.

A twin-screw extruder applies thermomechanical treatment to lignocellulosic material, creating a hydrated composite ready for fungal colonization.

Pre-disintegrated anionic cellulose pulp undergoes high-pressure homogenization to achieve high viscosity fibril products while preventing clogging.

Controlling acid concentration and water content during depolymerization to reduce yellowing without complex batch mixing.

Critical temperature heating agglomerates lignin into granular solids, reducing moisture to 45-55% and lowering energy consumption.

Treating dry lignocellulosic pulp with dicarboxylic acid anhydride boosts wet-strength without adding excessive resins, lowering manufacturing costs.

Phosphorous polyacrylic acid crosslinks prevent fiber collapse and discoloration, maintaining wet bulk and brightness.

Pre-acidifying mechanical pulp suspensions before dilution minimizes calcium carbonate dissolution and maintains brightness in recycled process waters.

Ozone gas decomposes lignin and superabsorbent polymers in used sanitary pulp to produce fibers suitable for nanofiberization.

Haloperoxidase catalyzes hexenuronic acid oxidation using hydrogen peroxide and halide ions to enhance cellulosic pulp brightness.

A sugar-alcohol lubricating composition applied to lignocellulosic chips facilitates mechanical refinement.

Rotor-stator mixers enable continuous inline dilution of microfibrillated cellulose suspensions to low solids content.

A processing device fluffs sheet fibers and supplies abrasive particles to lift alien substances from the material surface.

A pulp mixture combines wood fibres with agricultural crop residues to enhance tensile properties through direct hemicellulose sorption.

Neutral pH crosslinking with a polyalkylene glycol reagent improves cellulose fiber brightness and absorption while reducing knots and nits.

A pulp composition with controlled hemicellulose and lignin content enables stable lyocell fiber production at reduced cellulose levels.

Replacing expensive polymers with natural fillers reduces processing costs while maintaining structural integrity in composite manufacturing.

Optimizing wet stirred media mill parameters reduces grinding media wear while enhancing tensile properties of microfibrillated cellulose.

Ozone depolymerizes cellulosic materials to reduce refining energy consumption and eliminate chlorine bleaching.

Adding carbonate and acid to fiber pulp generates small-bubbled gas that increases bulk while maintaining low grammage.

Cold alkaline extraction removes hemicellulose from recycled fibrous feedstock to produce high purity dissolving pulp.

A reducing agent treatment enhances optical brightener performance in bleached pulp to maintain high brightness levels.

Sulfonation disrupts hydrogen bonds in cellulose, reducing mechanical fibrillation energy while maintaining fiber length.

Pre-treating pulp to SR value above 50 enables single-pass refining with short blades, cutting no-load energy consumption and investment costs.

Concentric electrodes apply voltage to remove water from cellulosic nanomaterial suspensions, raising solids content to 70 wt% without hornification.

Catalytic oxidation treatment increases carboxyl content in kraft pulp fibers to improve water absorption and strength.

High dry content heat treatment modifies fiber morphology to resolve the trade-off between bulk volume and bonding strength in paperboard production.

Segmented impact plates adjust gaps to process waste paper, cellulose, or wood chips without redesigning the core structure.

Iron-catalyzed peroxide treatment in bleaching stages boosts carboxylic content without degrading fiber length or brightness.

Organic acid surface treatment enhances barrier properties of nanocellulose fibrous materials while maintaining industrial manufacturing scalability.

Creating a colloidal system from cellulose and high pH solution enables faster derivatization while preventing material loss during alkali treatment.

Amine-reacted cellulose nanofibers improve dispersion and mechanical strength in resin matrices.

Copper ion treatment of bleached kraft fibers inhibits ammonia formation in absorbent products, resolving odor issues without increasing process complexity.

Low consistency fibrillation followed by dewatering reduces energy consumption while maintaining process smoothness and fiber integrity.

Nitroxyl radical catalyst oxidizes cellulose without bromide activators, reducing environmental harm and equipment corrosion.

Partial refining and dynamic washing reduce energy consumption by 19-24% while extending refiner plate life.

High molar mass anionic polyacrylamide reduces energy consumption during mechanical fibrillation, avoiding restricted chemicals while improving runnability.

Periodic mixing during acid hydrolysis resolves concentration gradients that cause non-uniform products in continuous processes.

Oxidized microfibrillated cellulose fibers with controlled carboxyl content reduce production costs while maintaining water retention and paper strength.

Segmented chemical addition prevents refiner plate corrosion and coating by maintaining distinct pH zones during lignocellulose processing.