95 results about "Abietic acid" patented technology

The invention provides anti-erosion hydraulic concrete and a preparation method thereof, and belongs to the technical field of concrete. The concrete comprises the following components: composite cement, high-activity nano-modified metakaolin, blast furnace slag powder, low-calcium fly ash, coarse aggregate, natural river sand fine aggregate, granite machine-made sand fine aggregate, an erosion inhibitor, a functional additive, an early-strength polycarboxylic high-performance water reducer, a composite air entraining agent and the like. The composite cement comprises sulphoaluminate cement, Portland cement and polymer waterproof mortar. The high-activity nano modified metakaolin is obtained by modifying metakaolin with an organic silicon-ZnO composite emulsion and then drying. The erosion inhibitor comprises organic carboxylate, a hydrophobic-crystallization complexing agent and a pH buffer type corrosion inhibitor. The functional auxiliary agent comprises an itaconic acid and acrylic acid copolymer, a JRY-F concrete waterproof agent and polyethylene glycol-400 dilaurate. The composite air entraining agent comprises liquid sodium abietate and sodium alpha-olefin sulfonate. Through component synergism, modification and grading, an anti-erosion barrier is constructed.

The application discloses a degradable rosin-based epoxy foam and a preparation method and application thereof, and belongs to the technical field of shielding materials, and comprises the following steps: stirring and uniformly mixing propylenediamine-based latent foaming agent, propylenediamine, propylene abietic acid glycidyl ester and 1,3-bis(3-glycidyloxypropyl)-1,1,3,3-tetramethyldisiloxane, and obtaining the degradable rosin-based epoxy foam through reaction.The foaming agent used in the application is rapidly decomposed under heating conditions to release carbon dioxide and the curing agent propylenediamine, and the preparation is simple, environment-friendly and residue-free; the prepared epoxy foam is easy to degrade, excellent in electromagnetic shielding and joule heating performance, and has a wide application prospect in the fields of military equipment, aerospace and wearable electronic devices.

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.

The invention belongs to the technical field of preparation of nail polish compositions, particularly relates to a bio-based perfume nail polish composition and a preparation method thereof, and provides the following scheme aiming at the problems of high emission of volatile organic compounds (VOC), serious environmental pollution, potential health risks and the like due to the fact that existing nail polish usually uses a petroleum-based solvent and synthetic resin. The invention relates to a sugarcane-fermented ethanol beverage which comprises the following raw materials in parts by weight: 30-60 parts of sugarcane-fermented ethanol, according to the invention, sugarcane fermented ethanol, acetyl tributyl citrate, diethyl lauroyl glutamate, zein, konjac glucomannan, abietic acid methacrylate, neroli oil, cananga odorata oil, sodium alginate, chitosan, mineral mica, alkannin, panthenol, organic bentonite, carnauba wax nanoparticles and a photoinitiator are used; the pollution to the environment and the dependence on non-renewable resources are effectively reduced, and the potential harm to human health is reduced.

The invention provides biodegradable industrial lubricating oil and a preparation method thereof, and belongs to the technical field of lubricating oil. Carboxyl is introduced into chitosan molecules through oxidation reaction, so that the molecular structure of the chitosan molecules is optimized, and nanofibers with high specific surface area are prepared; meanwhile, long-chain fat groups are grafted by utilizing amidation reaction, so that the hydrophobicity and the lubricating property are improved; bio-based ionic liquid is further introduced to enhance the dispersity, the thermal stability and the wear resistance; rosin-polyphenol prepolymer is prepared through reaction of abietic acid, maleic anhydride and polyphenol, combination of high thermal stability of abietic acid and oxidation resistance of polyphenol is achieved, hydrogen bonds and ionic bonds are formed by introduction of polyacid, and chemical stability of the compound is effectively enhanced; and by adopting a microencapsulation technology, the slow release and dispersity improvement of active ingredients are realized, so that the oxidation resistance, the lubricity and the long-acting stability of the lubricating oil are remarkably enhanced.

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.

Blends containing a homogeneous mixture of i) vegetable oil fatty acids from annual crop plants and ii) rosin acid are provided for use in metal cutting fluids and in other products employing tall oil derivatives. The blends may be combined with an emulsifying agent and water under high shear conditions to form metal cutting fluid emulsions, may be used as lubricity additives to improve the performance of non-emulsified metal cutting fluids, and may be used in other products including oilfield additives, detergents, soaps, surfactants, mining fluids, and resins.

The coating may be used to hinder agglomeration and dust formation when the seed is treated. An aqueous emulsion suitable for coating seeds and other substrates may comprise: an aqueous fluid; from 5% to 60% by weight, based on total solids, of at least one wax; and 0.1% to 45% by weight, based on the total solids, of at least one abietic acid, which is at least partially neutralized by at least one base. One or more additional additives may also be present in the aqueous emulsion.

The invention relates to the technical field of coal washing, and particularly discloses a synthesis process of an environment-friendly coal washing flotation reagent collecting agent. According to the process, abietic acid modified vegetable oil is used as a raw material, the amphiphilic structure collecting agent is constructed through a three-step method, the obtained collecting agent has high collecting performance and environmental compatibility, and the clean coal recovery rate can be increased while the dosage of the agent is reduced; aromatic ring adsorption on the surface of coal is enhanced through a rigid abietic acid skeleton, hydrophilicity is improved through a sulfonated chain, and efficient mineralization of coal particles is achieved in combination with the interface regulation and control effect of a biosurfactant. No toxic solvent participates in the whole process, the byproduct is only water vapor, the method is suitable for flotation of various coal types such as coking coal, gas coal and lignite, and the industrial problem that the surface hydrophobicity of oxidized coal is poor is particularly 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 discloses a preparation method of an SERS (Surface Enhanced Raman Scattering) substrate based on an Ag NPs / Au NWs / FP composite material and an application of the SERS substrate in abietic acid detection, and the preparation method is characterized by comprising the following steps: cutting filter paper into uniform small pieces, then sequentially cleaning the small pieces with ethanol and water under an ultrasonic condition, drying the small pieces of FP, immersing the small pieces of FP in a gold nanoparticle solution for 5 minutes to 3 hours, and cleaning and drying to obtain Au NPs / FP; mixing the Au NPs / FP with ethanol, an ethanol solution of 4-MBA, a HAuCl4 solution and an L-ascorbic acid solution, and standing at room temperature to obtain Au NWs / FP; ag NPs is uniformly deposited on the surface of Au NWs / FP through a magnetron sputtering method, the SERS substrate based on the Ag NPs / Au NWs / FP composite material is obtained, and the SERS substrate based on the Ag NPs / Au NWs / FP composite material has the advantages that SERS sensitivity and detection stability can be enhanced, and high-precision quantitative analysis of abietic acid can be achieved.

The invention relates to the technical field of curing agents, in particular to a abietic acid type biomass soil curing agent and a preparation method thereof. The curing agent comprises the following raw materials in parts by weight: 1-50 parts of abietic acid (ABA), 10-70 parts of acrylic acid (AAc), 5-60 parts of acrylamide (AAm), 1-20 parts of a cross-linking agent, 1-40 parts of an initiator and 1-30 parts of a catalyst. The preparation method comprises the following steps: preparing acrylpimaric acid (ABA-AAc), and carrying out polymerization reaction under the action of an initiator and a catalyst to synthesize the curing agent. The biomass curing agent is a novel biomass environment-friendly curing agent and has the characteristics of no toxicity, no pollution, good compatibility, small contractility and high curing speed, and cured soil is good in wear resistance, high in strength and high in hardness. The preparation method of the curing agent is simple, convenient to operate and low in industrial scale production cost.

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 application relates to the technical field of anticorrosive coatings, and discloses an anticorrosive phenolic aldehyde epoxy resin coating for oil pipes and a preparation method thereof, which comprises 100 parts by weight of phenolic aldehyde epoxy resin, 18-30 parts by weight of a curing agent and 5-15 parts by weight of amino rosin modified graphene; the amino rosin acid ester structure is grafted on the surface of graphene oxide, the interface compatibility between the graphene and the phenolic aldehyde epoxy resin is improved, the dispersibility of the graphene in the coating is improved, the hardness, salt mist resistance, water resistance and corrosion resistance of the coating film are improved, the uniformly dispersed graphene also has a good improvement effect on the heat resistance of the coating film. Moreover, the amino rosin acid ester contains active amino groups, can form a co-curing system with polyether amine D230 and the like, and can be used for curing reaction of the phenolic aldehyde epoxy resin, so that the hardness, hot water resistance and thermal weight loss temperature of the coating film are improved.

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 present invention provides: a chloroprene polymer composition which is not susceptible to layer separation and coloring when mixed with a solvent, and which enables the preparation of an adhesive composition that is excellent in terms of storage stability; and a method for producing a chloroprene polymer composition. The present invention specifically provides a chloroprene polymer composition which contains a chloroprene polymer, wherein: the chloroprene polymer composition has a moisture content of 10 mass% or less; and the content C of dehydroabietic acid, which is present in the form of a dehydroabietic acid salt, with respect to 100 parts by mass of the chloroprene polymer composition is 0.075-1.600 parts by mass as measured by a specific measurement method.

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 present invention belongs to the field of intelligent organosilicon polymer materials, and provides a kind of high-adhesion silicone resin antibacterial, anticorrosive coating and preparation method thereof.By organosilane modified natural antibacterial agent dehydroabietic acid, it is introduced into silicone resin system, and the antibacterial performance of silicone resin coating is improved.Using 3-aminopropyl triethoxysilane (KH-550) and γ-glycidyl ether oxygen propyl trimethoxysilane (KH-560) as raw materials, multifunctional siloxane (MF-S) is synthesized, as epoxy-amine curing agent, by condensation reaction, the cross-linking density of methylphenyl silicone resin is increased, so that it has excellent mechanical properties.After the obtained coating is cured at room temperature, the hardness reaches more than 6H, the adhesion reaches 1 grade, and the tensile strength of the obtained film reaches 9MPa.The silicone resin coating prepared by the present invention has good antibacterial performance, antifouling performance and anticorrosive performance, and the preparation method is simple and efficient, strong in practicality, has broad application prospects, and is conducive to realizing industrialized production.

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.