71 results about "Abietic acid" patented technology

The present invention is directed to a method for acidulation of tall oil soap in an alcohol selected from methanol, ethanol and / or iso-propanol. In the method according to the present invention, a mixture comprising sodium salts of fatty acids and rosin acids and an alcohol selected from methanol, ethanol and / or iso-propanol is acidulated using carbon dioxide.

Provided is a method for producing a polymer latex, comprising a step for obtaining an emulsion by emulsifying a polymer solution of a synthetic polyisoprene and / or styrene-isoprene-styrene block copolymer in water in the presence of rosin and / or a metal salt of rosin; and a step of removing the organic solvent from the emulsion, in the rosin and / or the metal salt of the rosin, the content ratio of the total of abietic acid, neoabietic acid, pinolenic acid and salts thereof is 5% by weight or less, the content ratio of dehydroabietic acid is 80-100% by weight, and the content ratio of the rosin and / or the metal salt of the rosin is 5% by weight or less. The content ratio of the rosin and / or the metal salt of the rosin in the polymer latex is more than 1.5 parts by weight with respect to 100 parts by weight of the total of the synthetic polyisoprene and / or the styrene-isoprene-styrene block copolymer contained in the polymer latex.

The application relates to the technical field of synthetic rubber, in particular to a nitrile rubber, a preparation method and application thereof, wherein the preparation method adopts at least potassium saponification soap and / or sodium saponification soap of disulfated rosin acid, C 10 -C 13 A composite emulsifier system composed of linear alkyl benzene sulfonic acid and naphthalene sulfonic acid formaldehyde condensate sodium salt and a low-temperature emulsion polymerization process, and the obtained nitrile rubber can be used in the field of oil-resistant sealing in a hydraulic oil operation environment.

The invention provides a high-toughness low-temperature-resistant PE material and a reagent bottle thereof, and belongs to the technical field of macromolecules. The composite material comprises high molecular weight polyethylene, maleic anhydride grafted low molecular weight polyethylene, a toughening agent, a p-methylsalicylic acid amphiphilic block oligomer, a hydrogenated abietic acid amphiphilic block oligomer and an antioxidant. Through cooperation of multiple components, the performance of the polyethylene material is broken through; the key point is that two amphiphilic block oligomers with complementary functions are introduced at the same time: one of the amphiphilic block oligomers ensures that stress is efficiently transferred between a matrix and a flexibilizer, and the potential of the flexibilizer is fully exerted; another one creates a nanoscale energy dissipation center within the matrix, initiating micro-plastic deformation. And the two collaboratively construct a three-dimensional toughening network. And finally, the high strength of the material is maintained, the impact toughness far beyond that of a conventional system is obtained, and the industrial problem that the strength and the toughness are difficult to consider is solved.

A pre-coated composite film transfer printing process, comprising the following steps: S1, release layer coating: coating the surface of a BOPP base film with a release layer solution by using an anilox roll, and performing segmented heating and drying to form a release layer; S2, ink layer coating: coating the release layer obtained in step S1 with a dyeing solution by using the anilox roll, and performing segmented heating and drying to form an ink layer; S3, adhesive layer coating: melting an EVA hot-melt adhesive, then adding hexagonal boron nitride, rosin acid, and white birch tree extract, mixing at 100-200 r / min for 5-10 min, and then coating the ink layer obtained in step S2 with the mixture by using a heated anilox roll; S4, enabling the film coated with the hot-melt adhesive and obtained in step S3 to pass through a cooled anilox roll, curing in an air cooling chamber, and slitting and rolling to obtain a pre-coated composite film; and S5, laminating, by means of hot pressing, the pre-coated composite film obtained in step S4 on the surface of a packaging material. In the process, hexagonal boron nitride, rosin acid, white birch tree extract, and the like are added to an EVA hot-melt adhesive to improve the processability of the EVA hot-melt adhesive, enhancing the bonding effect between a composite film and a print substrate, and achieving simple operation. The prepared pre-coated composite film can satisfy the requirements of thermal transfer printing, has a wide range of applications, and is beneficial to industrial production.

The invention discloses bio-based resin capable of being recycled in a closed-loop mode and a preparation method and application of the bio-based resin. According to the resin material, bio-based polybasic acid serves as a raw material and is mixed with 4-carboxyphenylboronic acid, then the mixture and ethylene glycol diglycidyl ether are subjected to an epoxy ring-opening reaction to prepare a bio-based monomer with the end group being boric acid, and the resin is prepared after the monomer is subjected to cross-linking polymerization. Wherein the bio-based polybasic acid is azelaic acid, sebacic acid, Brazil acid, acrylic abietic acid, eleostearic acid anhydride, maleated rosin and the like. The end group of the bio-based monomer is boric acid bonds, and small molecule amine is subjected to catalytic dehydration to form dynamic boric acid ester, so that the monomer is cross-linked to prepare a material with closed-loop recovery, shape memory and self-repairing performance, and the material has wide application prospects in the fields of 3D printing, flexible sensors and friction generator materials.

The invention relates to the technical field of graphene materials, and discloses a modified graphene material and a preparation method thereof.The preparation method comprises the steps that sodium lignin sulfonate is used for modifying graphene oxide through pi-pi stacking, and water-based stable dispersion liquid is prepared; saponified abietic acid is introduced, so that a abietic acid radical tricyclic hydrophobic skeleton is attached to the surface of graphene; compounding tung oil emulsion, performing free radical oxidation polymerization on alpha-eleostearic acid conjugated triene double bonds at the normal temperature of 15-35 DEG C to form a film, and covalently bonding graphene into an organic film-forming system through phenol-oxygen free radical coupling; zinc borate is added, zinc ions catalyze and solidify and promote generation of zinc abietate, and borate radicals and sodium lignin sulfonate hydroxyl form an inorganic borate cross-linked network; and adjusting the solid content and grinding to obtain a finished product. The prepared conductive ink is self-dried and cured at normal temperature, a cured coating has excellent water resistance and conductive stability, and the conductive ink is suitable for a heat-sensitive flexible base material.

The invention discloses a tall oil acid production method based on synergy of chemical conversion and physical separation, and belongs to the technical field of oleochemical industry. The method creatively utilizes Diels-Alder reaction characteristics of abietic acid and maleic anhydride, and is realized by the following steps: firstly, carrying out vacuum dehydration and degassing pretreatment on crude tall oil; then adding metered maleic anhydride to perform selective conversion under the catalysis of Lewis acid according to the content requirement of the target product abietic acid; performing molecular distillation separation on the reaction product to obtain light fraction fatty acid and heavy fraction abietic acid maleic anhydride resin; and finally, freezing and squeezing to obtain a tall oil acid product with precisely controllable abietic acid content. The technical limitation of a traditional physical separation method is broken through, the added value of the byproduct resin is increased by 50% or above, energy consumption is reduced by 35%, and the method is particularly suitable for customized production of medicine-grade, food-grade and other high-added-value products.

Rosin ester-based compositions are disclosed comprising (a) at least one polymer and (b) a rosin ester formed by esterification of a rosin or rosin acid with a cyclic polyol. The cyclic polyol is defined by a carbon-to-oxygen ratio of 1.0 to 20 and < 5 rotatable carbon– carbon bonds, thereby providing enhanced rigidity and compatibility. The resulting rosin ester can be employed directly without further modification and exhibits advantageous performance in polymer systems. Applications include hot-melt and pressure-sensitive adhesives, tire and rubber compositions based on diene rubbers, and other polymer-based materials requiring improved thermal stability, clarity, and adhesion balance.

The invention relates to a plant-based resin for providing a paint, said resin comprising at least 51% by weight of a linseed oil and a plant-based compound chosen from the group comprising rosin, abietic acid, dammar resin, copal resin, pine resin, gum lac, and a mixture thereof, characterized in that said resin has a kinematic viscosity at 40°C of between 1500 and 15,000 mm2 / s, preferably between 1500 and 10,000 mm2 / s, more preferentially between 1500 and 8000 mm2 / s, even more preferentially between 1500 and 7000 mm2 / s, determined according to standard ASTM D445-06.

The application discloses a scouring agent composition and a preparation method and application thereof. The scouring agent composition comprises, based on the total weight, 5-15 wt% of rosin-based multi-branched block polyether, 2-6 wt% of polyether modified siloxane, 10-25 wt% of cashew phenol block polyether, 2-10 wt% of polycarboxylic acid chelating dispersant and the balance of water. The scouring agent composition has good wettability, emulsifiability and dispersibility, and is especially suitable for a low-temperature continuous process. The scouring agent composition has low foam, is especially suitable for a high-speed continuous process above 100 m / min, and can further improve production efficiency. In addition, the scouring agent composition adopts bio-based raw materials such as rosin acid and cashew phenol, is easy to degrade, does not contain APEO and phosphorus, and conforms to the sustainable development concept.

This invention provides a food preservation composite film, its preparation method, and its application in fruit and vegetable preservation, belonging to the field of food preservation technology. It is prepared from raw materials comprising the following mass ratio: chitosan: rosin acid: paraffin wax: beeswax = (100~200): (1~1.5): (1~1.5): (1~1.5); the resulting food preservation composite film has high moisture resistance and high air permeability, and its WVTR can be reduced to 167.64 g / (m³). 2 (day), with air permeability comparable to PE film. The preservation composite film of the present invention can effectively maintain the quality of citrus, reduce post-harvest losses of citrus, and improve the preservation effect of citrus. It is of great significance for expanding the application market of chitosan-based preservation coating film and further replacing PE preservation bags in the post-harvest production of citrus and other fruits and vegetables.

The disclosure relates to fertilizer coating compositions and methods for making thereof. The fertilizer coating comprises a decarboxylated rosin acid (DCR) component, optional bitumen and other additives. The DCR has a Kb value of 25-90, a density of 0.9 to 1.0 g / cm3 at 20° C., an aniline point of 3-40° C., and an acid value of <50 mg KOH / g. The fertilizer coated with the coating composition has a reduction in dust level of >25% after 2 weeks of aging compared to a fertilizer not having the coating composition disposed thereon, according to Dust Level Measurement Test.

The invention discloses an aluminum powder gas-forming synergist for autoclaved aerated concrete and a preparation method of the aluminum powder gas-forming synergist. The aluminum powder gas-forming synergist comprises the following raw materials in percentage by weight: 20%-50% of triethanolamine oleic soap, 20%-40% of sodium dodecyl benzene sulfonate, 10%-30% of sodium abietate and 30%-70% of water. The efficient and stable aluminum powder gas generation synergist is formed by compounding triethanolamine oleic soap, sodium dodecyl benzene sulfonate, sodium abietate and water, the synergist can accurately control the gas generation process of aluminum powder, the starting time of the aluminum powder is appropriate, the gas generation speed is stable, generated bubbles are uniform and stable in size, and the gas generation effect is good. Therefore, the autoclaved aerated concrete with uniform pore structure and excellent mechanical strength is obtained.

The utility model discloses a device for cleaning abietic acid in a pipeline in the technical field of waste gas treatment equipment, and aims to solve the problem of abietic acid cleaning residues in the pipeline in the prior art. The cleaning device comprises an air pipe, a cleaning liquid box, a sodium hydroxide medicine box, an air pump and a liquid pump, a liquid spraying pipe is installed in the air pipe, a plurality of first spraying heads are installed on the liquid spraying pipe, the liquid spraying pipe is communicated with the cleaning liquid box through a liquid supply pipe, and the liquid pump is used for supplying cleaning liquid in the cleaning liquid box to the liquid spraying pipe through the liquid supply pipe; and a communicating pipe is further arranged at the bottom of the air pipe and communicates with the cleaning liquid box, and a medicine supply device is arranged on the sodium hydroxide medicine box and used for supplying a sodium hydroxide solution to the interior of the cleaning liquid box. The device is suitable for removing abietic acid substances in the air duct, the spraying direction of a sodium hydroxide solution can be flexibly adjusted according to use requirements, the configuration mode is flexible and simple, the abietic acid substances located at spraying dead angles in the air duct can be removed easily, and the cleaning effect on the air duct is improved.

The application discloses application of an environment-friendly peroxide cyclohexanone curing agent composition in high-iron putty and belongs to the technical field of paints. Esterification materials are obtained through esterification reaction among castor oil acid, terephthalic acid and isooctanol; carbon-carbon double bonds on the molecular chain of the esterification materials are subjected to epoxidation modification to obtain epoxidized esterification materials; and dehydrogenated rosin acid and the epoxidized esterification materials are subjected to ring-opening reaction to synthesize a new desensitizing agent to replace a toxic phthalate desensitizing agent, thereby avoiding use of phthalate compounds, and ensuring that products meet the environmental protection regulations of the European Union. When the curing agent composition is used in cooperation with polyester resin, not only good desensitizing effect can be achieved, but also the putty after curing has excellent physical properties and chemical stability, and thus a powerful guarantee is provided for production and application of high-iron putty.

A primer coating for liquid electrophotographic printing may comprise: an aqueous fluid; about 50% to about 90% by weight of a coating material, based on total dissolved or dispersed solids, the coating material comprising rosin acid and an acid-functionalized vinyl copolymer with an acid value of about 110 mg KOH / g or lower; and about 10% to about 50% by weight of a coating enhancer comprising polyurethane, based on total dissolved or dispersed solids. The acid-functionalized vinyl copolymer and rosin acid may be at least partially neutralized with a base comprising at least one amine.

The present invention is directed to a method for recycling solvent and drying sodium salts of fatty acids and rosin acids obtained from crude tall oil. In the method according to the present invention, a mixture comprising sodium salts of fatty acids and rosin acids and an alcohol selected from methanol, ethanol and / or iso-propanol is subjected to a drying step wherein the alcohol is evaporated from the mixture and the salts are dried and recovered. The salts are useful for example for removal of extractives in pulp production or can be acidulated to produce high acid number tall oil.

The invention relates to the technical field of constructional engineering, and particularly discloses thin-wall structure bare concrete and a construction method thereof.The thin-wall structure bare concrete is formed by curing a bare concrete mixing material; the fair-faced concrete mixing material comprises the following components in parts by mass: 168 parts of water; 243 to 247 parts of cement; 825 to 835 parts of fine aggregate; 970 to 980 parts of coarse aggregate; 48 to 52 parts of fly ash; 114 to 118 parts of mineral powder; 8.1 to 8.3 parts of a water reducing agent; 5-7 parts of modified calcium carbonate whiskers; the modified calcium carbonate whiskers are obtained by soaking and modifying calcium carbonate whiskers in a modification solution; the modified liquid is a compound of water, acetic acid, diethylenetriamine and disproportionated potassium rosinate. The method has the advantage that cracks of the thin-wall structure concrete are reduced.

The application provides a down APEO removal method, which comprises the following steps: placing down to be treated in a washing machine, adding water and a down APEO removal agent, cleaning and centrifugal drying. The down APEO removal agent comprises the following components in mass fraction: lauryl alcohol polyoxyethylene ether 30-40 parts, abietic acid polyoxyethylene ester 12-18 parts, isomeric tridecanol polyoxyethylene ether 8-14 parts, dodecyl glucosamide 1.6-2.4 parts, isopropyl alcohol 2-7 parts, polyvinyl pyrrolidone 0.15-0.25 parts, hydroxymethyl cellulose 0.03-0.11 parts, magnesium chloride 22-32 parts, cyclodextrin 3.0-5.5 parts, and deionized water 80-112 parts. The down APEO removal scheme provided by the application can effectively remove APEO in down, and can treat down with excessive APEO content to less than 50 ppm, while not damaging the original performance indexes of the down.

The invention relates to the technical field of art paint with a fresh-keeping function, and discloses modified bio-based emulsion, the art paint with the fresh-keeping function and a preparation method of the art paint. The modified bio-based emulsion is a polymer emulsion which takes bio-based acrylate, abietic acid modified acrylate, a chain transfer agent castor oil polyol and an anionic emulsifier bacillus subtilis lipopeptide sodium as mixture monomers. The product provided by the invention has excellent stain resistance and scratch resistance, the number of washing times of the product reaches 50,000 or more, the stain resistance grade reaches grade I, and the hardness reaches 2H or more.

The present disclosure relates to a process for producing rosinol from renewable materials comprising abietic acid, such as raw materials comprising crude tall oil. According to the method, abietic acid present in the renewable material is separated (101) and a stream comprising at least partially separated abietic acid is subjected to a thermal decarboxylation reaction (102) to produce a stream comprising formed rosin oil and rosin oil is recovered (103) from the stream. The present disclosure also relates to a system for carrying out the method, and the use of rosinol obtainable by the method as a renewable feedstock co-processed with fossil feedstock to increase the renewable content of fossil transport fuels and / or chemicals, and the use of co-processing with other renewable feedstocks to produce renewable fuels and / or chemicals or components thereof. The present disclosure also relates to a rosin oil product obtainable by the process.

The invention belongs to the technical field of coatings, and particularly relates to a low-surface-energy anti-permeation barrier coating for food packaging and a preparation method of the low-surface-energy anti-permeation barrier coating. The low-surface-energy anti-permeation barrier coating for food packaging comprises the following components in parts by mass: a core-layer emulsion: 15-35 parts of a core-layer monomer, 0.5-1.5 parts of an emulsifier and 20-40 parts of water; a shell emulsion: 40-70 parts of a shell monomer, 5-10 parts of modified abietic acid, 1-3 parts of an emulsifier and 40-70 parts of water; an initiator aqueous solution: 1.5-2 parts of an initiator and 40-50 parts of water; 30 to 50 parts of silicon-containing cardanol modified nano silicon dioxide dispersion liquid; 30 to 50 parts of water; after the low-surface-energy anti-permeation barrier coating for food packaging provided by the invention is used for paper pulp tableware, the oil-proof grade of the paper pulp tableware reaches 12 grade, and the paper pulp tableware can resist water at 100 DEG C and oil at 120 DEG C and has good adhesion resistance.

A resin of vegetable origin for providing a paint, said resin comprising at least 51% by weight of linseed oil and a compound of vegetable origin selected from the group comprising rosin, abietic acid, dammar resin, copal resin, pine resin, shellac resin and mixtures thereof, characterized in that said resin has a kinematic viscosity at 40 °C of between 1500 and 15,000 mm² / s, preferably between 1500 and 10,000 mm² / s, more preferably between 1500 and 8000 mm² / s, more preferably still between 1500 and 7000 mm² / s, determined in accordance with ASTM D445-06.

The invention discloses rosin resin and a preparation method thereof, and relates to the technical field of rosin resin, and the rosin resin is prepared from the following components in parts by weight: 100 parts of rosin, 4.2 to 8.4 parts of triphenylphosphine, 40 to 50 parts of allyl glycidyl ether, 18 to 27 parts of p-hydroxyanisole, 500 to 1000 parts of dichloromethane, 34 to 64 parts of triethylamine and 35 to 45 parts of pentafluoropropionyl chloride. The rosin resin prepared by the invention effectively solves the key technical problems of high acid value, poor thermal stability, easy oxidation and crystallization and the like of traditional rosin, the softening point is obviously improved, the acid value is reduced, and the thermal stability and the chemical stability are enhanced; the mechanical strength, toughness, water resistance and corrosion resistance of the modified resin are greatly improved on the basis of maintaining good film-forming property and adhesion of rosin.

The present application belongs to the technical field of paint, and particularly relates to a green and environment-friendly paint and a preparation method thereof. The green and environment-friendly paint prepared by the present application comprises the following raw materials in parts by weight: alcohol acid resin 100-140 parts; diethylene glycol tert-butyl ether 5-15 parts; diethylene glycol butyl ether 10-20 parts; zinc abietate 0.02-0.04 parts; Cu modified MIL-100(Fe) 0.04-0.08 parts; PANI@Ni doped molybdenum sulfide composite material 0.03-0.07 parts; leveling agent 1-2 parts; dispersing agent 0.4-0.6 parts; defoaming agent 0.5-0.7 parts; and drying agent 1-2 parts. The green and environment-friendly paint prepared by the present application has excellent corrosion resistance and other performances by adding Cu modified MIL-100(Fe) and ANI@Ni doped molybdenum sulfide composite material and cooperating with zinc abietate.

The invention discloses application of an environment-friendly cyclohexanone peroxide curing agent composition in high-speed rail putty, and belongs to the technical field of coatings. The preparation method comprises the following steps: carrying out esterification reaction on ricinoleic acid, terephthalic acid and isooctanol to obtain an esterified material; performing epoxidation modification on a carbon-carbon double bond on a molecular chain of the esterified material to obtain an epoxidized esterified material; dehydroabietic acid and epoxidized esterification materials are used for carrying out ring-opening reaction to synthesize a new desensitizer to replace a toxic phthalate desensitizer, so that the use of phthalate compounds is avoided, and the product is ensured to conform to the environmental protection regulations of European Union. When the curing agent composition is matched with polyester resin for use, a good desensitization effect can be achieved, it can be guaranteed that cured putty has excellent physical performance and chemical stability, and a powerful guarantee is provided for production and application of high-speed rail putty.

The application discloses application of a taxifolin in treatment of Alzheimer's disease, SCA intervention can significantly improve cognitive memory dysfunction and protect brain tissue structure integrity; SCA can reduce abnormal deposition of A beta in the brain, reduce the number and distribution range of A beta positive plaque and alleviate AD core pathological damage; SCA can improve central nervous system pathological damage and cognitive dysfunction by regulating intestinal microecology. The application has important scientific significance and clinical transformation value for developing a safe and efficient new method for intervention of Alzheimer's disease.

The present invention provides a lithographic printing ink composition that emulsifies quickly and does not experience a decrease in torque after emulsification. [Solution] A lithographic printing ink composition comprising a pigment, calcium carbonate, binder resin, petroleum-based solvent, and vegetable oil, characterized in that it is (1) to (3) as described below. (1) Contains polypropylene polyol, and the polypropylene polyol content in the lithographic printing ink composition is 0.01 to 5.0 parts by weight. (2) The pigment contains a disazo-based yellow pigment, and the pigment content in the lithographic printing ink composition is 5 to 15% by mass. (3) The calcium carbonate has a primary particle size of 0.02 to 0.10 μm, and its surface is treated with rosin acid and / or resin acid / fatty acid, and the content of the calcium carbonate in the lithographic printing ink composition is 1 to 30% by mass.