160 results about "Alkyl polyglycoside" patented technology

The invention provides a composite synergistic system for a shale gas old well and an immovable string production increasing process. The composite synergistic system mainly comprises the following substances: 10-12% of a wetting improver; 4%-6% of a scale remover; 2%-3% of a scale inhibition dispersant; 5%-10% of a resistance-reducing discharge aiding agent; 15%-20% of a synergistic accelerant; the wetting improver is a mixture of alkyl polyglucoside, an anionic surfactant sodium dodecyl benzene sulfonate and deionized water, the content of the alkyl polyglucoside in the wetting improver is 5%-10%, and the content of the anionic surfactant sodium dodecyl benzene sulfonate is 15%-18%; the descaling agent is a mixture of sodium alpha-olefin sulfonate and nonylphenol polyoxyethylene ether ammonium sulfate, and the mass ratio of the sodium alpha-olefin sulfonate to the nonylphenol polyoxyethylene ether ammonium sulfate in the descaling agent is (2: 1)-(3: 1). According to the composite synergistic system, through combination and reuse of different materials and different doses, the multifunctional composite synergistic system integrating vibration, permeation and dispersion effects is researched and developed, and therefore immovable tubular column yield increase construction of a shale gas old well is achieved.

The invention discloses a full bio-based PHA (polyhydroxyalkanoate) liquid bioplastic emulsion and a preparation method thereof. The emulsion takes polyhydroxyalkanoate (PHA) as a matrix, alkyl polyglycoside, fermented glycolipid and a bio-based nonionic surfactant are compounded with pullulan, alginate or micro-nano cellulose to serve as a stable system, and plasticizers such as acetyl tributyl citrate and citric acid, phytic acid or tannic acid are added to serve as compacting agents. The solid content of the emulsion is 35-58%, the volume average particle size D50 is 0.12-0.90 [mu] m, the absolute value of Zeta potential is not less than 30 mV, and the content of volatile organic compounds (VOC) is not higher than 50 g / L; fluorine-containing organic matters are not artificially added, and the total organic fluorine is less than or equal to 100ppm. The overall bio-based carbon content of all organic components in the formula is not lower than 95% according to mass weighting calculation. The invention also provides application of the emulsion in the fields of paper barrier coatings, heat-sealing adhesives and non-woven fabric finishing.

The invention discloses a peracetylated polysaccharide derivative mixing accelerator as well as a preparation method and application thereof, and relates to the technical field of polysaccharide derivatives. Alkyl polyglucoside and glycidyl ether are subjected to etherification reaction to obtain polysaccharide derivatives; and adding acetic anhydride and an organic weak base catalyst into the polysaccharide derivative, and carrying out esterification reaction to obtain the peracetylated polysaccharide derivative. The obtained peracetylated polysaccharide derivative can be used for reducing the minimum miscible pressure of CO2 in an offshore oilfield. The polysaccharide derivative provided by the invention is simple in synthesis process, and the molecular activity of the polysaccharide derivative can be regulated and controlled by changing the number of carbon dioxide-philic groups and the length of oleophylic unsaturated hydrocarbon chains, so that the polysaccharide derivative can be used in the CO2 oil displacement process of oilfield exploitation, and the minimum miscible pressure in the CO2 oil displacement process is effectively reduced.

Marker composition comprising water, 1-10 wt.% non-ionic surfactant selected from alkyl polyglucosides, alcohol ethoxylates and alcohol ethoxylate propoxylates, or mixtures thereof, 1-5% organic solve

A polyether polyol P), wherein the starter compounds of the polyether polyol P) comprise an alkyl polyglycoside and one or more compounds selected from monosaccharides, oligosaccharides, sugar alcohols, polyhydric alcohols and a polyether polyol H), wherein at least one starter compound of the polyether polyol H) is an alkyl polyglycoside and / or a compound selected from monosaccharides, oligosaccharides, and sugar alcohols with at least 4 active hydrogen atoms.

The anti-static and dehairing laundry condensation bead of the present application is composed of a water-soluble outer film and content; wherein the content comprises: 5-20 wt% of quaternary ammonium salt type cationic surfactant, 20-60 wt% of non-ionic surfactant, 10-30 wt% of alkyl polyglycoside surfactant, 1-10 wt% of amino modified polyethylene glycol, 15-30 wt% of solvent, 1-15 wt% of auxiliary, and the balance of deionized water. The anti-static and dehairing laundry condensation bead of the present application has good synergistic effect by compounding the quaternary ammonium salt type cationic surfactant, the amino modified polyethylene glycol and the short carbon chain alkyl polyglycoside surfactant, greatly enhances the solubility and dispersibility of the quaternary ammonium salt type cationic in the content, can keep transparent, clear, uniform and no delamination in water for a long time, and the prepared laundry condensation bead has good anti-static property and dehairing effect.

The application discloses an ant-termite drug barrier system for wood composites and a construction method and application thereof, and relates to the technical field of wood composite ant-termite prevention. The ant-termite drug barrier system comprises a drug active ingredient, a nanoscale modified silicon dioxide carrier, a penetration enhancer, an adhesion enhancer and a stabilizer, and the drug barrier can be efficiently constructed on the surface of the wood composite by a vacuum-assisted impregnation method, and the thickness is controllable and the operation is convenient. The nanoscale modified silicon dioxide carrier is combined with a complex system of sodium fatty alcohol polyoxyethylene ether sulfate and alkyl polyglycoside, so that the permeability and adhesion can be significantly improved. The system is suitable for indoor and outdoor environments, can be coated with a waterproof coating to prolong the service life, and can be conveniently repaired when locally damaged; the drug active ingredient is non-toxic or low-toxic, so that an efficient, durable and environmentally-friendly ant-termite solution for wood composites is provided.

To provide a water-based ink composition for a ballpoint pen, which is excellent in dry-up resistance and can form clear handwriting, and to provide a ballpoint pen containing the ink composition.SOLUTION: An aqueous ink composition for a ballpoint pen, comprising: a colorant; an alkyl polyglucoside having a C8 to C14 aliphatic-hydrocarbon group; a shear-thinning agent; and water. The colorant contains a reversible thermochromic microcapsule pigment containing a reversible thermochromic composition comprising at least (a) an electron-donating color-developing organic compound, (b) an electron-accepting compound, and (c) a reaction medium for determining the temperature at which the color development reaction of the components (a) and (b) occurs.SELECTED DRAWING: None

Disclosed is a cosmetic composition which is in the form of an emulsion of water-in-oil type including, per 100% of its mass: from 60% to 95% by mass of a gelled aqueous phase including at least one crosslinked cationic polyelectrolyte; from 5% to 40% by mass of a fatty phase including at least one oil and an emulsifying system including a combination of at least one emulsifying surfactant selected from the elements of the group consisting of compositions of alkylpolyglycosides, compositions of alkylpolyglycosides and of fatty alcohols, polyglycerol esters, alkoxylated polyglycerol esters, polyglycol polyhydroxystearates, polyglycerol polyhydroxystearates, and alkoxylated polyglycerol polyhydroxystearates.

The application provides a nanoemulsion and a preparation method and application thereof. The total amount of raw materials for preparing the nanoemulsion is 100%, and the raw materials include the following components: 1-40% of a composite surfactant, 1-25% of an oil phase, 1-30% of a co-surfactant, and the balance of a water phase; wherein the mass of the composite surfactant is 100%, and the composite surfactant includes the following components: 5-25% of a biological surfactant, 35-65% of a fatty alcohol polyoxyethylene ether surfactant, 1-20% of dodecyl benzene sulfonic acid and / or sodium salt thereof, 1-20% of oleic acid, and 1-5% of citric acid; the biological surfactant includes one or more than two combinations of sophorolipid, rhamnolipid, trehalose lipid, surfactin, alkyl polyglycoside, phosphatidylcholine, amino acid lipid, saponin, phospholipid, or derivatives thereof; and the average particle size of the emulsion droplets in the nanoemulsion is 1.5-5 nm. The nanoemulsion has excellent recovery performance.

The invention discloses a three-phase foam extinguishing agent with high stability and adhesion and a preparation method of the three-phase foam extinguishing agent. The method comprises the following steps: firstly, preparing cellulose nanocrystals CNC; the preparation method comprises the following steps: firstly, preparing cellulose nanocrystals CNC, then carrying out hydrophobic modification on the obtained cellulose nanocrystals CNC to obtain H-CNC, finally adding alkyl glycoside APG and the obtained H-CNC into water, and carrying out magnetic stirring to obtain a mixed solution A, specifically, the mass fraction of alkyl glycoside APG is 0.6 wt%, and the mass fraction of H-CNC is 0.1-0.3 wt%; then, hydroxypropyl methyl cellulose HPMC is added, temperature gradient stirring and mixing are conducted through a magnetic stirring machine, and the mass fraction of HPMC is 0.6 wt%. According to the foam extinguishing agent prepared by the method, the adhesion of foam can be remarkably improved, the foam can be stably adsorbed on the surface of a combustible for a long time, and the purposes of isolating air and extinguishing fire by suffocation are achieved.

A brightening and stain-removing laundry sheet and a preparation method therefor. The laundry sheet comprises: a film-forming agent, an anionic surfactant, a nonionic surfactant, a fluorescent brightening agent, an anti-fouling agent, an enzyme formulation, a plant extract, a chelating agent, and an auxiliary agent. The film-forming agent comprises a film-forming agent A and a film-forming agent B, the film-forming agent A being polyvinyl alcohol, and the film-forming agent B comprising one or more of polyvinylpyrrolidone and modified polyvinyl alcohol. The anionic surfactant comprises sodium alkyl sulfate, sodium fatty acid methyl ester sulfonate, and sodium α-alkenyl sulfonate; and the nonionic surfactant comprises polyglycerol ester of fatty acid, fatty alcohol-polyoxyethylene ether, fatty acid methyl ester ethoxylate, and alkyl polyglycoside. The laundry sheet has high solubility, achieves a remarkable brightening effect on fabrics while having stain-removing capability, and further possesses the advantages of good portability, convenient use, no solid matter remaining after use, etc.

The invention discloses a kitchen wet tissue compound composition and a preparation method and application thereof.The kitchen wet tissue compound composition is prepared from, by weight, a base solution, a surfactant, an oil absorbent, a humectant, a bacteriostatic agent, a synergist and a preservative, and the preparation method comprises the steps that nanometer grinding is conducted till the particle size is smaller than or equal to 5 micrometers, surface hydroxyl modification is conducted, hydrophilicity is improved, and the situation that agglomeration influences the oil absorption efficiency is avoided; the preparation method comprises the following steps: dissolving alkyl glycoside APG, fatty alcohol polyoxyethylene ether sodium sulfate AES and sodium alpha-olefin sulfonate in warm water at 45-50 DEG C, then sequentially adding a humectant and an oil absorbent, finally cooling to 30 DEG C or below, adding a bacteriostatic agent and essential oil, and carrying out'two-dipping and two-rolling 'to prepare the composition applied to the kitchen wet tissue. The proportion of bio-based raw materials such as APG and bamboo fibers is larger than or equal to 60%, phenoxyethanol replaces a traditional formaldehyde release type preservative, and phosphorus, nitrogen and APEO are avoided; the cleaning agent is close to the skin of a human body, avoids irritation caused by excessive AES, is suitable for cleaning tableware and kitchen ware in direct contact, and does not corrode stainless steel, ceramic, glass and other materials.

The invention discloses a multi-scene deodorizing detergent composition and a preparation method thereof, and relates to the technical field of daily chemical industry. The multi-scene deodorizing detergent composition provided by the invention is prepared from the following core components: alkyl glycoside, sodium lauroamphoacetate, tea saponin, hydroxypropyl-beta-cyclodextrin, chitosan, compound enzyme, sodium cinnamate, dragon fruit extract, humulus lupulus extract and the like. Through the synergistic effect of all the components, the composition realizes integration of multiple effects: the irritation is remarkably reduced and the skin barrier is maintained while efficient decontamination is realized; an adsorption-degradation system formed by hydroxypropyl-beta-cyclodextrin, chitosan and compound enzyme can radically remove peculiar smell and efficiently degrade pesticide residues; the chitosan and the pitaya extract synergistically chelate heavy metal ions; and components such as sodium cinnamate have natural whitening and broad-spectrum preservative functions. The technical limitation that a traditional product is single in function is broken through, and a comprehensive and safe washing solution with a positive skin care effect is provided.

The invention relates to the technical field of detergent compositions, and discloses a preparation method of a seaweed extract composite disinfecting and killing detergent composition, which comprises the following steps: under temperature-controlled stirring, mixing alkyl glycoside and a quaternary ammonium salt cationic bactericide according to a specific molar ratio and a free water content of less than 55% to construct a high-viscosity water-deficient lamellar liquid crystal shielding phase; the shielding phase is immersed and injected into a seaweed extract substrate solution, shearing dispersion is performed at a specific rate to obtain the composition, a metastable-state water-deficient layered liquid crystal structure is constructed, the cationic bactericide and the anionic seaweed extract are physically isolated through the steric hindrance effect at the mixing moment, flocculation caused by charge confrontation is effectively blocked, and the stability of the composition is improved. Thermodynamically stable coexistence and functional compatibility of the two in a single water phase system are realized, and the bactericidal activity can be released during dilution use.

The present invention discloses a foam fire extinguishing agent and a preparation method thereof. This invention relates to the technical field of aqueous film-forming fire extinguishing agents. The foam fire extinguishing agent comprises the following raw materials: a solvent, a foaming agent, a dispersant, an antifreeze agent, and water; the foaming agent comprises at least three of alkyl polyglycoside 0810, alkyl polyglycoside 1214, lauramidopropyl betaine, sodium lauramidoamphoacetate, octylphenol polyoxyethylene ether, ammonium ethoxylate sulfate, sodium decyl sulfate, and sodium dodecyl sulfate. The foam fire extinguishing agent provided by the present invention has low surface tension, good fluidity, and can produce a foam with a uniform and stable structure. It has excellent fire extinguishing effectiveness and is capable of extinguishing fires containing 15% polar fuel, and is particularly effective in extinguishing hydrocarbon fires.

To provide a liquid cleaning agent composition for hard surfaces that exhibits excellent retention properties and suppression of dispensing failures. [Solution] A liquid cleaning agent composition for hard surfaces containing (A) component: an alkyl polyglucoside represented by the following general formula (A), (B) component: a polyoxyalkylene alkyl ether represented by the following general formula (B), and (C) component: one or more compounds selected from terpene compounds and carboxylic acid esters. a1 -O-[G] a ...(A) [In formula (A), R a1 is an alkyl group with 8 to 20 carbon atoms, G is a residue derived from a reducing sugar, and a is a number between 1 and 5 on average. ], R b1 -O-(AO) b -H...(B) [In formula (B), R b1 is an aliphatic hydrocarbon group with 8 to 18 carbon atoms, AO is an alkylene oxy group, and b is a number representing the average number of repeats of AO, ranging from 31 to 70.

Provided is a herbicidal composition comprising a herbicide component and an alkyl polyglycoside (APG) component. The herbicidal composition has a good stability without the need for C12-C16-alkyl ether sulfates and has a low viscosity and low foaming desired for handling during preparation and application.

The application belongs to the technical field of petroleum chemical industry, and particularly relates to an oil displacement agent for enhanced oil recovery, a binary oil displacement system and application thereof. The oil displacement agent is composed of the following components in parts by weight: alkyl polyglycoside sulfonate 10-50 parts, cyclodextrin 10-25 parts, additive 5-10 parts, and water 15-80 parts. The binary oil displacement system is composed of the following components in percentage by mass: the oil displacement agent 0.2%-0.5%, polymer 0.2%-0.3%, and the rest is injection water. The oil displacement agent and the oil displacement system can improve the recovery ratio of offshore oil reservoirs, and can realize efficient production and stable long-term effect under the condition of large well spacing injection-production well pattern.

The invention provides a polysaccharide-zwitterion synergistic open pit coal mine dust suppressant and a preparation method thereof. The dust suppressant is prepared from the following raw materials: high-substitution-degree chitosan quaternary ammonium salt, piperazine-N, N '-bis (2-hydroxypropanesulfonic acid) disodium salt, alkyl glycoside, xanthan gum and the balance of distilled water. The preparation method comprises the following steps: slowly adding high-substitution-degree chitosan quaternary ammonium salt into distilled water, and stirring until the high-substitution-degree chitosan quaternary ammonium salt is completely dissolved to obtain a first solution; dissolving piperazine-N, N '-bis (2-hydroxypropanesulfonic acid) disodium salt and alkyl glycoside in the other part of distilled water to obtain a second solution; slowly adding the second solution into the first solution, and uniformly stirring to obtain a mixed solution; adding xanthan gum into the mixed solution, and continuously stirring until the xanthan gum is completely dispersed; and supplementing the residual distilled water until the whole solution is 100g, and continuously stirring to obtain slightly-turbid and viscous open pit coal mine dust suppressant liquid. The mine dust suppressant solves the problems that an existing mine dust suppressant is poor in wettability and cohesiveness, and reentrainment of dust is still caused after spraying.

Disclosed is a process for preparing alkyl polyglycosides having a color of less than or equal to 1.5 VCS, the process successively involving: a) a glycosylation step a) consisting in a reaction between at least one alcohol of formula (I) and at least one reducing sugar of formula (III): H—HO—O-(G)-H, in the presence of at least one acid catalyst (CA) at a minimum temperature of 100° C. and a maximum temperature of 120° C., b) a step b) of removing the reducing sugar of formula (III): H—O-(G)-H, which has not reacted in step a), from the reaction medium, c) a step c) of neutralizing the reaction medium from step b) with an aqueous solution comprising a basic agent (Ab), d) a step d) of recovering at least one composition (C) having a color less than or equal to 1.5 VCS.

The invention relates to the technical field of paraffin inhibitors and preparation thereof, in particular to a salt-tolerant oil extraction paraffin inhibitor and a preparation method thereof.The salt-tolerant oil extraction paraffin inhibitor is prepared from, by weight, 25%-30% of sodium alpha-olefin sulfonate, 10%-15% of betaine, 8%-10% of alkyl polyglucoside sulfonate and the balance water. The preparation method comprises the following steps: preparing a first mixed solution, adding a required amount of betaine into the first mixed solution, dissolving, uniformly mixing and stirring to obtain a second mixed solution, adding a required amount of alkyl polyglucoside sulfonate into the second mixed solution, and uniformly mixing and stirring to obtain the salt-tolerant oil extraction paraffin inhibitor. By adopting a compounding system of alpha-sodium olefin sulfonate, betaine and alkyl polyglucoside sulfonate, the obtained product avoids calcium and magnesium ion complexation reaction, has excellent stability and no layering or salting-out phenomenon in a calcium chloride water type oil well, meets the development requirement of a high-salinity oil reservoir, and improves the oil well exploitation efficiency.

Aqueous gel, its use in cosmetics and process to reduce the sticky effect felt during its application. Aqueous gel comprising from 0.5% wt to 5.0% wt of a crosslinked anionic polyelectrolyte (PA) comprising from 5.0% mol to 95.0% mol of monomeric units from 2-methyl-2-((1-oxo-2-propenyl)amino)-1-propanesulfonic acid partially or totally salified as an alkali salt or ammonium salt, from 4.9% mol to 90.0% mol of monomeric units of N,N-dialkylacrylamide and from 0.1% mol to 5.0% mol of monomeric units from a monomer of formula CH2=C(CH3)-C(=O)-O-(CH2-CH2-O-)n-R5; from 0.5% mass to 9.5% mass, either of an alkanol of formula R1-OH, or of a mixture of alkanols of formula R1-OH; or of a composition (C) of alkyl polyglycosides represented by the formulas R1-O-(G)xH, in which G represents either the remainder of glucose or the remainder of xylose and x represents a decimal number between 1.05 and 2.05;either a mixture (M) of said alkanol of formula R1-OH or of said mixture of alkanols of formula R1-OH and of said composition (C); from 0.0% mass to 3.0% mass one or more cosmetic active ingredients and the quantity of water necessary to make up to 100% mass in which the mass ratio (RM) having as numerator the mass of the alkanol(s) of formula R1-OH, or the mass of said composition (C) or the mass of said mixture (M) and as denominator, the mass of said cross-linked anionic polyelectrolyte (PA), is greater than or equal to 1 and less than or equal to 10; cosmetic skin care process using said aqueous gel; use, either of said alkanol of formula R1-OH, or of a mixture of alkanols of formula R1-OH, or of said composition (C) or of said mixture (M), with a view to reducing or eliminating the sticky effect felt when applying to the skin an aqueous gel comprising said anionic polyelectrolyte (PA);process for reducing or eliminating the sticky feeling experienced when applying an aqueous gel comprising said anionic polyelectrolyte (PA) to the skin by modifying its composition before application to the skin, by adding either the alkanol(s) of formula R1-OH, or said composition (C), or said mixture (M).;

The invention discloses a cleaning agent, and relates to the field of glass cleaning agents, and the cleaning agent comprises the following components by weight: 3-5 parts of alkyl glycoside, 0.1-0.3 part of tea saponin, 3-5 parts of sodium citrate, 1-3 parts of sodium polyaspartate, 7-10 parts of fatty acid methyl ester polyoxyethylene ether, 3-5 parts of C2-C4 alcohol, 0.1-0.3 part of an alkaline pH regulator, and the balance of water. The glass cleaning agent is neutral and mild, does not contain substances such as strong acid, strong alkali, heavy metal and fluoride, is not easy to corrode glass, is suitable for all glass, is biodegradable, is environment-friendly, and is safe to operators.

The application provides a composite conditioning agent and a preparation method and application thereof. The composite conditioning agent comprises sodium dodecyl benzene sulfonate, titanium dioxide and alkyl polyglycoside. The mass ratio of the sodium dodecyl benzene sulfonate, the titanium dioxide and the alkyl polyglycoside is (10-60):(10-60):(10-30). The composite conditioning agent can efficiently separate water and oil in high-liquid-content oily sludge.

The invention discloses a sulfate scale composite reinforced cleaning agent for a reverse osmosis membrane and a preparation method of the sulfate scale composite reinforced cleaning agent, and belongs to the technical field of cleaning agents for dirt in reverse osmosis membrane runners, the sulfate scale composite reinforced cleaning agent is prepared from the following raw materials in parts by weight: 0.3-0.6 part of a cleaning agent, 0.15-0.3 part of a synergist, 0.3-0.6 part of a transforming agent, 0.15-0.3 part of a pH regulator and 98.2-99.1 parts of deionized water, the synergist is composed of a synergist A and a synergist B, the weight ratio of the synergist A to the synergist B is 1: (0.5-1), the synergist A is prepared from sodium tripolyphosphate and alkyl glycoside, the weight ratio of sodium tripolyphosphate to alkyl glycoside is 1: 1, and the synergist B is partially crosslinked polymaleic anhydride gel. And the optimized synergist is compounded with the cleaning agent, the transforming agent, the pH regulator and the deionized water to prepare the composite reinforced cleaning agent with high water production flow rate improvement rate and high desalination rate.

The mixture alkyl polyglycoside comprises: a linear alkyl polyglycoside of formula A R1-O-(G) nH wherein R1 is a linear C6-15 alkyl group; n is 1 to 5; g is glucose; wherein in at least some of Formula A, R1 is a C9-15 alkyl group; and a branched alkyl polysaccharide of the formula wherein R2 is a C2-7 alkyl group; r3 is a C4-7 alkyl group; g is 1 to 5; s is monosaccharide; wherein the mixture comprises lt; 15% by weight of the following formula: wherein R4 is C3-4 alkyl; r5 is a C5-6 alkyl group; g1 is a monosaccharide; x is from 1.1 to 4; wherein the mixture comprises from 0 wt% to 35 wt% of the formula wherein R6 is-(CH2) mCH (CH3) 2; r7 is-(CH2) m + 2CH (CH3) 2; g3 is monosaccharide; z is from 1.1 to 4; m is 0 to 3; wherein the mixture comprises lt; 3% by weight of the formula wherein R12 is-(CH2) pCH3; wherein R13 is-(CH2) p + 1CH (CH3) 2; wherein G6 is a monosaccharide; p is 1 to 4, and wherein f is 1.1 to 10; with the proviso that when the sum of the carbons in R2 + R3 is 7-9, the mixture comprises lt; 1% by weight of the following formula: R16-O-(G2) y, wherein R16 is a branched C9-11 alkyl group; g2 is glucose; and y is in the range of 1.4 to 2.0.

The application discloses a surfactant composition, a surfactant system and application thereof, and belongs to the technical field of cosmetics, and comprises the following components in parts by weight: 5-11 parts of sodium C14-16 olefin sulfonate, 1-6 parts of an amino acid surfactant, 0.5-5 parts of an alkyl polyglycoside surfactant, 0.1-2 parts of a bio-based surfactant and 1-5 parts of an amphoteric surfactant; the bio-based surfactant comprises at least one of sophorolipid, rhamnolipid, soapberry extract and oil tea dregs extract. The composition disclosed by the application has very low surface tension and cmc value, the molecules in a surface adsorption layer are closely arranged to promote surface adsorption, the foaming performance and foaming stability are effectively improved, good stability is achieved in a wide pH (5-10) range, excellent high and low temperature stability is achieved, the surfactant composition disclosed by the application has low irritation, is safe to use, and has a wide application prospect.

Described herein is a premix including an alkyl polyglycoside, preferably C10-C16 alkyl polyglycoside, a hydrotrope and a solvent including water. Also described herein are a method of using the premix in preparing a liquid detergent formulation and a method for preparing a liquid detergent composition by using the premix.

The application discloses a preparation method of a supported solid base catalyst and application of the supported solid base catalyst in alkyl polyglycoside, and belongs to the field of organic synthesis catalysis technology and green chemistry. The novel supported solid base catalyst has the following advantages: high alkaline site density, a catalytic efficiency which is 25-40% higher than that of KOH, and a reaction time which is shortened by 20-30%; by adjusting the ratio of alkaline earth metal and rare earth metal in the catalyst, the average addition number of butylene oxide can be accurately controlled, the content of the target product is greater than or equal to 95%; the catalyst is green, environment-friendly, equipment-friendly, non-corrosive, can prolong the service life of a reaction kettle and reduce industrialization cost; the initial height of foam of the synthetic product is reduced by 60-80% compared to that of a traditional process, and the residual amount of foam is less than 20 mL after 5 minutes. The novel supported solid base catalyst prepared by the application is applied to alkyl polyglycoside to generate alkyl polyglycoside polyoxybutylene ether, which not only retains some excellent performances of alkyl polyglycoside, but also has obvious low-foaming performance, can save a large amount of industrial water, and can meet the requirements of fast decontamination, easy rinsing and environmental protection.