Organic Compound Preparation TRIZ Cases

Water washing removes alkali metal residues from the extract, preventing distillation discoloration.

Dual-function distillation columns remove water and ethyl acetate simultaneously, lowering steam consumption and compressor load.

Controlled epoxidation reduces the iodine number below 10 gI2/100g, enabling durable biopolyols that replace petrochemical sources.

Sugar-derived acrylate monomers reduce vapor pressure and odor while maintaining adhesive strength.

Heating hydrated biomass ethanol with a Zr-Fe catalyst at 450-550°C produces high-yield acetone, eliminating energy-intensive distillation steps.

Introducing organic acids into the reaction system improves isobutylene selectivity while reducing petroleum dependence.

A chemical process synthesizes high-purity EDDS using dibromoethane intermediates.

Heteropolyacid functionalized ionic liquid enables selective lignin oxidation to maleate under mild conditions.

An anhydrous DNP mixture with less than 10% water reduces by-product formation during hyperpolarization, improving metabolic imaging accuracy.

Distilling 1,6-hexanediol with high-boiling carboxylic acids removes nitrogenous impurities below 5 ppm without ion exchangers.

Catalytic iron reagents convert oximes into enamides, eliminating metallic waste from stoichiometric excess.

Metal sulfide piezoelectric nanomaterials convert mechanical energy into chemical energy to catalytically reduce carbon dioxide.

Controlled radical polymerization preserves unsaturated double bonds in fatty acid derivatives, enabling biodegradable polymers.

Dilactide reacts with hydroxyl compounds to form lactylates, bypassing slow lactic acid availability constraints.

Vacuum distillation removes esterification water without solvents, preventing reagent loss and carbonisation while ensuring pharmaceutical purity.

Polymeric benzophenone derivatives resolve the contradiction between surface curing quality and migration level by integrating into poly(meth)acrylate networks.

Post-conditioning with elevated chloride concentrations accelerates catalyst activation, reducing production delays while maintaining selectivity.

Bio-based EVA copolymers use renewable monomers to reduce greenhouse gas emissions while maintaining mechanical properties.

Ion exchange resins purify THCA and CBDA to over 95% purity, eliminating psychotropic side effects while maintaining high manufacturing precision.

Sub-zero cooling of bio-derived lactic acid prevents reactor fouling while staged absorption separates acetaldehyde, improving acrylic acid yield.

An absorption system recycles excess monoamine during continuous diamine synthesis, bypassing costly distillation and reducing facility complexity.

Hydrogenating methyl acetate with carbon oxides and recycled gas reduces ethyl acetate by-products while maintaining high conversion rates.

Amine catalysts reduce viscosity in propylene oxide polyethers, improving blowing agent compatibility and storage stability.

Multi-stage distillation with water dilution recovers up to 90% of diols, reducing product loss and enabling heavy fraction feed to a biodigester.

A direct synthesis process converts primary di- or polyamines with carbon dioxide and hydrogen using specific catalysts to form di- or polyformamides.

Glycidol-based branched amides lower copper and lead corrosion severity without generating halogenated waste during synthesis.

A rigid foam uses a biosourced polyester polyol to achieve mechanical and thermal properties.

Replacing methylene iodide with chlorobromomethane and an optimized zinc-copper couple reduces reaction time while maintaining high yields.

Composite heteropoly acid catalyst with optimized alkali metal content resolves low conversion trade-offs in gas phase oxidation.

A palladium-gold catalyst with alkali metal salts prevents activity reduction and improves selectivity during propylene conversion.

Glacial acetic acid washes crude 5-sulfoisophthalic acid cakes to remove sulfuric acid impurities, resolving yield loss from conventional solvent dissolution.

A porous magnetic carbon composite forms via simultaneous hydrothermal extraction of terephthalic acid from waste PET bottles and synthesis of an aluminum-based metal-organic framework.

Vaporization system converts liquid meta-toluenediamine to gas phase feedstock, preventing solids formation and extending reactor service life.

A specific organic compound structures a charge generation layer to balance hole and electron injection within an OLED device.

Organic amine reactants convert cyclic alkylene ureas into alkylene amines, avoiding salt formation and degradation from caustic bases.

Mild hydrolysis preserves polymer chain integrity during propionic acid functionalization, avoiding harsh conditions that cause degradation.

Nickel zirconium copper molybdenum catalysts suppress diastereomer formation during isopulegol hydrogenation, ensuring high chemical yield and purity.

Bridged alkaline earth metal alkylphenates link phenolic monomers via sulfur or carbonyl bridges to form oligomeric structures.

Inert then oxygen gas purging prevents explosive conditions while preserving catalyst activity, avoiding yield loss upon restart.

Heterogeneous catalyst immobilized on support material simplifies separation and improves yield.

Replacing halo derivatives with tetrafluoroethylene eliminates bromine impurities and boosts yield.

A homogeneous catalyst system converts di-isobutene and C4 to C7 olefins with synthesis gas in a single reaction zone.

Uncoated metal foam bodies minimize mass transfer limitations and dynamic pressure during three-phase catalytic reactions.

Replacing syngas with aldehyde formyl donors enables ambient pressure operation, reducing energy consumption and by-product formation during olefin conversion.

Segmented chambers with multi-directional waveguides ensure uniform microwave irradiation, preventing unreacted raw materials from discharging.

Nitrogen atom-containing polar aprotic solvent inhibits halogen addition reactions during carboxylic acid halide production.

Transthioesterification enables large peptide assembly without cysteine residues, avoiding harsh deprotection denaturation.

Heptane extraction removes genotoxic impurities from the Safinamide Mesylate intermediate, resolving purity and yield trade-offs.

A porous silica catalyst supports metal oxides to dehydrate biomass-derived adipamide into adiponitrile.