421 results about "Abietic acid" patented technology

The invention relates to a preparation method and application of an environment-friendly lithium ion battery, and in particular relates to a simulated mussel protein environment-friendly lithium ion battery adhesive. By simulating the molecular structure and action mechanism of mussel protein, histidine and dopamine are connected to polyacrylic acid, polymaleic acid, sodium alginate, sodium carboxymethylcellulose, carboxymethyl chitin, carboxymethyl chitosan, abietic acid and other natural or synthesized polymer to prepare a series of aqueous adhesives. The adhesive has a good adhering effect for various cathode materials such as carbon black, graphite and silicon. By adopting the adhesive provided by the invention, various properties of a lithium ion battery can be obviously improved, and especially cycle property of a silicon cathode material in a battery can be obviously improved.

An image forming apparatus including: a latent electrostatic image bearing member, a charging unit, an exposing unit, a developing unit, a transfer unit, and a fixing unit, wherein the toner contains at least a binder resin and a colorant, the binder resin contains a polyester resin obtained by polycondensation of an alcohol component with a carboxylic acid component containing a rosin compound, the amount of the rosin compound contained in the carboxylic acid component is 5% by mass or more based on the total mass of the alcohol component and carboxylic acid component, and the amount of an abietic acid contained in the toner is 1% by mass or less.

The present invention is related to a process for the production of high quality fatty acids and rosin acids and their mixtures from crude tall oil by means of short path distillation of saponified crude tall oil, acidulation and fractionation by distillation.

The invention discloses a low temperature-sintered nano silver paste and a preparation method thereof. The invention is characterized in that: by weight percent, the components of the nano silver paste are as follows: 78.5 to 89.5 percent of nano silver powder with the average grain size of 20nm to 50nm; 5.0 percent to 10.0 percent of polyvinyl alcohol as organic carrier; 5.0 percent to 10.0 percent of tributyl citrate as organic solvent; and 0.5 percent to 1.5 percent of abietic acid as surfactant. The nano silver paste preparation method sequentially includes the following steps: ethanol solution water heating, component adding and mixing, ultrasonic dispersion under zero DEG C, mechanical stirring and vacuum drying. The sintering temperature of the silver paste is notably decreased, and does not need to reach the softening temperature of glass, moreover, the silver content of the sintered material is at least 98 percent, the nano silver paste has high heat conductivity and high reliability, and the heat conductivity of the nano silver paste is three to four times higher than the heat conductivity of alloy solder, and thereby the heat-dissipating problem of packaging is effectively solved. The low temperature-sintered nano silver paste is particularly suitable for use as novel thermal interface material for the interconnection between power type chips in the field of electronic packaging.

The invention relates to a method for producing water-white hydrogenated rosin, which comprises the following steps: using light color refined rosin obtained after purifying the rosin as hydrogenation raw materials, using a solvent for preparing solution, carrying out catalytic hydrogenation, then, separating out the solvent through distillation, and obtaining the water-white hydrogenated rosin. When the method provided by the invention is adopted, the water-white hydrogenated rosin with light color (the Lovibond color number of the yellow color is 0.3 to 1.0, and the Lovibond color number of the red color is 0.2 to 0.3), low iodine value and low abietic acid content can be obtained. Compared with the water-white hydrogenated rosin produced by a traditional method, the water-white hydrogenated rosin produced by the method provided by the invention has the advantages of lighter color, higher hydrogenation degree, better stability and lower cost, and the application value of products can be improved when the water-white hydrogenated rosin is applied to aspects such as electronics, paint, bonding agents, dyestuff and the like.

Temperature switchable pressure sensitive adhesives comprising an elastomer and a crystallizable abietic acid derivative as tackifier are described. These pressure sensitive adhesives exhibit a sharp reduction in peel strength when the temperature is raised above the switching temperature. The adhesive properties of these adhesives may be readily tuned by adjusting the ratio of the elastomer and the crystallizable tackifier, and by altering the crystallizabe group on the tackifier. The temperature switchable pressure sensitive adhesives have use in medical, consumer, and industrial applications.

A toner, wherein a binder resin contains a polyester resin (A) produced by polycondensing an alcohol component with a carboxylic acid component which contains a rosin compound in an amount of 5% by mass or more of the total amount by mass of the alcohol component and the carboxylic acid component, and a polyester resin (B) produced by polycondensing an alcohol component containing an alkylene oxide adduct of bisphenol A represented by General Formula (1) given below with a carboxylic acid component, and wherein the toner contains abietic acid in an amount of 0.01% by mass to 1% by mass:

where R₁ and R₂ each represent C2-C4 alkylene; R₃ and R₄ are each any one of a hydrogen atom, C1-C6 straight-chain alkyl, and C1-C6 branched-chain alkyl; and x and y each represent a positive integer and the sum of x and y is 1 to 16.

The invention discloses a tin solder plaster of leadless alloy and making method, which consists of soldering flux and leadless tin solder alloy powder, wherein the soldering flux is composed of organic solute and organic solvent; the organic solute contains macromolecular PVP, macromolecular PEG and or PVA, abietic acid or modified abietyl, aliphatic acid monoglyceride and aliphatic acid sorbate; the organic solvent is one or more composition of anhydrous alcohol, ethandiol, cycloethane, glycol ethylene and diglycol ethylene.

The invention discloses a complete miscibility phenolic aldehyde modified abietic resin, which can be fully dissolved in petroleum cyclane solvent. The synthetic method comprises the following process steps: (1) adding the alkylphenol, aldehyde and solvent into a reactor, heating, blending and reacting for 4 to 12 hours under the alternating action of acid base catalyst at 65 to 110 degrees C and obtaining the long chain resol; (2) adding the rosin into the reactor, heating and dissolving, and then adding the long chain resol in, reacting with the abietic acid for 5 to 16 hours ar 150 to 270 degrees C and then obtaining the complete miscibility phenolic aldehyde modified abietic resin after adding the polylol in to esterify first and dehydrate then or esterify first and modify then. The complete miscibility phenolic aldehyde modified abietic resin is of much significance for producing the ink which is good for the high speed printing machine.

The invention discloses an active excitatory grinding aid for ferronickel slag and a preparation method for the active excitatory grinding aid. The grinding aid is composed of polymeric glycol, cocoanut fatty acid diethanolamide, sodium pyrophosphate, ethyl acetate, an excitant and water, wherein the excitant is composed of calcined alunite, water glass and sodium abietate. The additive amount of the grinding aid in the ferronickel slag is 0.02-0.10% by mass of the ferronickel slag. The active excitatory grinding aid disclosed by the invention is sufficient in raw materials, simple to process and prepare, low in doping amount, stable in performance and high in cost performance. As the ferronickel slag which is ground is added, the problem that the ferronickel slag is poor in grindability can be solved. Under the condition that the grinding time is equal, the specific surface area of the ferronickel slag micropowder can be improved by 4.5-9%, the mill output is increased by over 15%, the energy consumption is remarkably reduced, and moreover, the active index of the ferronickel slag can be further improved by 10-35%.

The invention discloses an environmentally-friendly rubber anti-ageing agent and a preparation method thereof, which are used for overcoming the defect that the using amount and use range of butadiene nitrile rubber are constrained greatly since a nonyl phenol anti-ageing agent which is not environmentally-friendly is taken as an anti-ageing agent of the conventional butadiene nitrile rubber. The environmentally-friendly rubber anti-ageing agent disclosed by the invention is prepared by compounding an antioxidant 2246, polybutyl bisphenol, tri(nonylphenyl)phosphite ester and disproportionate potassium rosinate in the weight ratio of 1:(1.5-3):(1.5-3):(2-3.5). The environmentally-friendly rubber anti-ageing agent has an excellent anti-ageing effect and very low environmental pollution.

The invention provides a rosin derivative material suitable for photo-cured printing ink and paints and a preparation method of the rosin derivative material. The rosin derivative material contains an esterification chain segment which is prepared by performing esterification on abietic acid resins and polyol in a reactor and an olefine acid ester chain segment which is prepared by continuously performing reaction on a rosin composition having the esterification chain segment and an organic solvent solution of an acrylic acid compound in a reactor. According to the preparation method of the rosin derivative resin, the production cost is reduced, and the final cured film performance test shows that the pencil hardness, the adhesion, the shock resistance and the weather resistance of a coating meet the basic application requirement, so that the rosin derivative resin has wide market prospect in the fields of photo-cured printing ink and paints.

The invention discloses a preparation method of a compound type cobalt stearate adhesion promoter, comprising the following steps of: converting inorganic dissoluble cobalt salt into precipitant cobalt which is not easy to dissolve in water; reacting precipitant cobalt powder with composite organic weak acid in an organic solvent for 10-18 hours; raising the reaction temperature to stearic acid melting temperature from room temperature with the speed of 20-30 DEG C/h; raising the reaction temperature to 140 DEG C at the speed of 20 DEG C/h; then, remaining 2 hours at the temperature of 140 DEG C, wherein the composite organic acid is a mixture of stearic acid, isocaprylic acid and abietic acid;, steaming the residual organic solvent after the reaction is finished; and pelleting to obtain the compound type cobalt stearate adhesion promoter. In the compound type cobalt stearate adhesion promoter prepared by the preparation method, the cobalt content can completely satisfy standard requirements, and the reaction conditions are reduced, thereby the energy consumption is reduced. Meanwhile, because the organic acid with low molecular weight and branched chains is used, the service performance of the compound type cobalt stearate adhesion promoter is increased, and the binding performance and the ageing resistance of the compound type stearate adhesion promoter are particularly outstanding.

The rosin sizing agent consists of main components including modified rosin, tall oil, stearic acid, pine gum and paraffin; and supplementary material including polyethenoxy ether sulfo succinate, abietate, polymer dispersant and disinfectant. It is prepared through low pressure process with relatively high controllability and production quality stability. The sizing agent has high compatibility with calcium carbonate stuffing, high sizing effect, low production cost and less mildew produced in storage. The sizing agent is suitable for use in producing high-grade paper and paper card.

A preparation process for preparing organic cobalt salt compound mainly comprising cobalt neocaprate through the hybrid reaction between cobalt carbonate and organic acid belongs to the organic synthesis technical field. Taking cobalt carbonate as a raw material, the preparation process is characterized in that the process is carried out in turn according to the following steps that (1) taking cobalt carbonate, glacial acetic acid, neodecanoic acid and neopentanoic acid as raw materials, reaction is carried out inside a normal pressure sealed reactor for more than or equal to 3 hours with the temperature controlled between 90 and 100 DEG C; (2) abietic acid is added in the reaction system so as to carry out reaction at a temperature of between 160 and 168 DEG C for more than or equal to 1 hour, thereby displacing glacial acetic acid; then, cobalt neocaprate is generated through excluding displaced glacial acetic acid and water by means of vacuum reaction and filtration; and (3) activated calcium carbonate is added in the reaction system at a temperature of between 160 and 168 DEG C so as to prepare a finished product. Through replacing common cobalt hydroxide by cobalt carbonate to carry out reaction with organic acid, and adding abietic acid tackifier and activated calcium carbonate with amphoteric compound in neodecanoic acid, the preparation process effectively balances the pH degree in the system, thereby effectively preventing the product from metallic corrosion and increasing adhesion level.

The invention discloses a method for preparing highly-doped fly ash lightweight heat-insulation bricks. The preparation method comprises: preparing aluminum powder paste, sodium sulfate, sodium abietate, water, fly ash, carbide slag or lime powder and gypsum which are weighed in a ratio by weight into fly ash non-burnt ceramic particles; feeding fly ash, slag or coal gangue, carbide slag or lime powder, desulfurized gypsum or gypsum powder which are weighed in a ratio by weight into a wheel-grinding machine for wheel-grinding and obtaining a mixture; preparing rosin powder, sodium hydroxide, water together with gelatin and water together with triethanolamine which are weighed in a ratio by weight into admixture II; weighing the fly ash non-burnt ceramic particles, the mixture, cement and the admixture II in a ratio by weight and feeding the materials into a stirrer for stirring and adding water while stirring to adjust the water content of the materials to reach 17 to 21 percent; feeding the obtained product into a molding machine to prepare the obtained product into green brick bodies; and obtaining finished products through maintenance. The method has the advantages of low cost and no environmental pollution produced during production, and all standards of the lightweight heat-insulation bricks meet the requirements of national standards.

The invention discloses a down feather detergent which comprises the following components in parts by weight: 100 parts of water, 3-4 parts of triethanolamine, 2-3 parts of octadecanol polyoxyethylene ether, 1-2 parts of abietic acid polyoxyethylene ester, 1-2 parts of polyglycerol monostearate, 1-2 parts of hydroxypropyl methyl cellulose, 3-4 parts of sodium laurate, 1-2 parts of dodecyl trimethyl ammonium sulfate, 1-2 parts of sodium persulfate, 1-2 parts of N-octyl isothiazolinone, 1-2 parts of phenyl silicon oil, 2-3 parts of aminomethyl propanol, 2-3 parts of morpholine, 1-2 parts of sodium bicarbonate, 1-2 parts of tea polyphenol, 2-3 parts of vinyl trimethoxy silane, 1-2 parts of polyisobutene, 3-4 parts of polyvinylpyrrolidone, 1-2 parts of dimer acid and 2-3 parts of maleic anhydride modified polyethylene. The down feather detergent disclosed by the invention can effectively remove stain on down feather and has a relatively good conditioning and caring function on down feather.

The present invention provides a hot melt adhesive composition comprising (A) an ethylene copolymer obtained by copolymerizing ethylene and α-olefin using a single-site catalyst and (B) a rosin ester, in a hydrolyzate of which a dehydroabietic acid content is 30 wt % or less and an abietic acid content is 10 wt % or less, and in a methylated product of the hydrolyzate of which a content of components having a molecular weight of 320 is equal to or greater than 10 wt % of a total amount of components having a molecular weight of 314 to 320.

A metal paste comprising a mixture consisting of: metal colloidal particles, which consist of particles consisting of one or more metals or metal oxides and a protective agent for protecting the particles; and organic metallic compounds. The metal paste preferably comprising a mixture consisting of: metal colloidal particles comprising, as a protective agent, a compound having an amino group, sulfanyl group, sulfide-type sulfanediyl group, hydroxy group, or ether-type oxy group; and organic metallic compounds such as mercaptan metallic compounds or sulfide metallic compounds of α-pinene, α-terpinenol, or isobornyl acetate, abietic acid metallic compounds, neodecanoic acid metallic compounds, 2-ethylhexanoic acid metallic compounds, naphthenic acid metallic compounds, or decanoic acid metallic compounds.

A technique for increasing the strength of paperboard or corrugated paperboard by using laccase to treat the OCC pulp, unbleached chemical pulp, or semi-chemical pulp is disclosed. As the circulated white liquid used in making paperboard with said unbleached chemical pulp, semi-chemical pulp and OCC pulp contains a lot of fine fibers, sterol ester, abietic acid, lignan and lignin, which carry a great deal of anions to decrease the effect of strengthening agent and result in environmental pollution, the laccase is used for the catalytic oxidization of wooden fibers to generate the free phenoloxy radicals on the surfaces of wooden fibers and improve the binding strength between fibers.