Bulk Chemical Production TRIZ Cases

A propylene polymerizing solid catalyst reduces volatile organic compound content by combining a cyclic diester with a diether internal electron donor.

A kneader equipped with a shear force mechanism reacts polysaccharide biomass with basic ionic liquids and esterifying agents.

Dual active centers on a modified carrier resolve sensitivity to carrier modifications while achieving bimodal molecular weight distribution.

A chemical modification process uses supercritical fluids to covalently bond antistatic agents deep into polymeric parts.

Replacing phthalate esters with succinic acid diester in the catalyst eliminates SVHC substances while maintaining copolymerization activity.

Redox modification combined with targeted plasticizers lowers processing temperature and widens the processing window for plant fiber materials.

Adding a second hydrocarbon compound adjusts the first mixed solution viscosity, preventing cavitation during stirring and ensuring uniform catalyst size.

A liquid crystalline polymer composition uses scale-like inorganic fillers to create foam molded articles.

Multistage olefin polymerization controls molecular weight distribution using segmented electron donating compounds.

Segmenting synthesis gas into parallel circuits manages pressure vessel construction limits while maximizing ammonia yield.

A two-step washing process uses inert densified fluids to remove excess oxidant and reaction by-products from oxidized polysaccharide materials.

Optimized catalyst pore volume and diameter suppress wall adhesion while maintaining high impact resistance in propylene block copolymers.

Mixed solvents resolve solubility contradictions during azide terminal modification, preventing side reactions in fluoropolymer synthesis.

Removing the second converter eliminates pressure vessel stress while increased purge rates sustain ammonia production.

Dual donor Ziegler-Natta catalyst in bulk polymerization achieves high melt flow rate and crystallinity without vis-breaking or xylene extraction.

Short-chain branched polypropylene balances high stiffness with low temperature processing by controlling molecular structure.

A co-supported catalyst system combining chromium and group 4 metal complexes on an inorganic oxide support.

Broad molecular weight distribution in ethylene/1-hexene copolymers maintains structural stability while improving low-temperature sealing strength.

Multi-step polymerization using a Ziegler-Natta procatalyst with trans-esterification product reduces volatiles and fogging while maintaining impact strength.

Subcritical carbon dioxide removes volatile organic compounds from sponges without deforming the material, meeting strict EU residual content standards.

Blending polypropylene polymers with broad molecular weight distribution achieves high flexural modulus and impact resistance.

Periodic cycling of trim and 1-hexene ratios synchronizes catalyst activity to improve comonomer distribution, reducing crack formation in polymer products.

A microfibrillated reinforced polypropylene foam achieves 0.068 W/mK thermal conductivity while maintaining structural integrity at 0.32 g/cm3 density.

Coordination polymerization using a Group 10 metal complex resolves slow growth and low degree of polymerization in allyl monomer processing.

Composite ionic liquid solvent accelerates bisphenolate formation and polycondensation to yield high molecular weight polysulfone.

Copolymer mixing resolves chain rigidity limits by adding caprolactone segments to maintain thermal stability.

A magnesium-titanium procatalyst system using specific internal donors to produce polyolefins with controlled molecular weight distribution.

A polysaccharide mixed solution forms spherical liquid drops via controlled heating and dripping.

Replacing mechanical pulverization with acid hydrolysis fibrillation improves productivity while maintaining high crystallinity and fiber integrity.

Replacing phthalate esters with succinic acid diesters eliminates SVHC hazards while maintaining high flexural modulus and moldability in polypropylene.

A catalyst system with optimized magnesium and titanium ratios reduces hexane-extractable content in polyethylene production.

A magnesium chloride supported single-site titanium catalyst produces particulate ultra high molecular weight polyethylene with optimized particle size.

A phthalate-free procatalyst composition combines substituted phenylene diester and polyether donors to enhance catalytic activity.

Segmenting and heating the polymer-lean stream prevents heat exchanger fouling while maintaining polymer moltenness during separation.

A catalyst preparation method using magnesium halide and organoaluminium treatment at low temperatures to achieve high activity.

Blending vinyl-terminated and high molecular weight polymers via parallel catalyst systems resolves gel formation while maintaining extrusion throughput.

High pressure carbon dioxide forms three-dimensional network structures, overcoming limited porosity in conventional stretching methods.

A chemical synthesis process produces chondroitin sulphate with human-like 4- or 6-position sulphation patterns using biotechnology-derived polysaccharide chains.

Supercritical carbon dioxide extracts volatile organic compounds from silicone rubber to ultra-low levels.

Metallocene catalyst systems polymerize propylene under moderate bulk conditions to create supercritical states within growing particles.

Nitrogen external donor coordinates with titanium catalyst to control polymerization kinetics and stereo regularity.

A hybrid catalyst system combines Ziegler-Natta and molecular components in a single reactor to synthesize polyolefins with tailored properties.

A composite catalyst system facilitates ethylene and methyl methacrylate copolymerization.

Solution polymerization of ethylene and vinyl acetate under low to medium pressure reduces equipment investment while maintaining high ethylene content.

A hybrid catalyst system combines transition metal compounds to produce polyolefins with controlled molecular weight distribution.

A titanium or zirconium procatalyst with specific ligand structures enables ethylene polymerization.

A solid catalyst component prepared by contacting a dehydrated support with magnesium and titanium compounds in a single vessel.

Supported chromium and group 4 transition metal catalysts achieve reversed comonomer incorporation in high molecular weight fractions.

A two-layer solvent system enables asymmetric synthesis of optically active pyrrolidine compounds using unpurified nitrostylene derivatives.