42 results about "Resin acid" patented technology

The invention relates to the technical field of protective glue, in particular to extreme high and low temperature impact resistant UV (ultraviolet) photocuring electronic protective glue which is prepared from the following raw materials in parts by weight: 30-50 parts of synergistically modified epoxy-urethane acrylate oligomer, 20-35 parts of composite active monomer, 1.5-5 parts of composite photoinitiator and 10-20 parts of core-shell structure inorganic composite filler, 0.6 to 2.2 parts of a silane coupling agent, 0.12 to 1.1 parts of an antioxidant and 0.11 to 1 part of a leveling agent; the preparation method of the synergistically modified epoxy-urethane acrylate oligomer comprises the following steps: reacting resin acid modified epoxy resin with phosphoric acid di (hydroxyethyl acrylate) ester at 80-90 DEG C, and introducing a phosphate group to obtain a phosphate modified epoxy acrylate intermediate; the protection glue unifies rigidity, flexibility and flame retardance on the molecular level through the cooperation of the hybrid oligomer and the core-shell filler, realizes high heat conductivity, strong adhesion and extremely low internal stress, and has extreme temperature impact resistance, long-term damp-heat aging resistance and high-reliability protection performance.

The invention relates to a water-soluble ultraviolet absorbent 4-disubstituted aminobenzyl subunit camphorsulfonic acid and a synthesis method and application thereof, and the synthesis method comprises the following steps: in a toluene-methanol mixed solvent, carrying out heating reflux reaction on camphorsulfonic acid and 2 equivalent weight of sodium methoxide, and after enolation conversion is completed, carrying out reduced pressure distillation to obtain the 4-disubstituted aminobenzyl subunit camphorsulfonic acid. Slowly dropwise adding a corresponding 4-disubstituted aminobenzaldehyde solution with the molar weight equal to that of camphorsulfonic acid, continuously heating and stirring to react for 6-12 hours, adding water to terminate the reaction, acidifying the reaction solution by using hydrochloric acid or sulfonic acid type cation exchange resin, separating to remove methylbenzene, adjusting the pH value of a water phase to about 6.5, performing rotary evaporation dehydration under reduced pressure, and extracting a crude product by using a conventional method; a target product can be obtained through column chromatography purification, and the target product not only has water solubility, but also has the characteristic of absorbing UVA and UVB ultraviolet light at the same time; the composition can be applied to sun-screening agent products, cosmetics or home care products, and also can be applied to various industrial products such as paint, varnish, plastics, textiles and rubber to improve the light resistance of the industrial products.

Disclosed herein is a method of using resin acids as defense gene inducers for biotic stress in a plant. Also disclosed herein are a composition including rosin and a method of using the composition as a defense gene inducer for biotic stress in a plant.

The present application relates to the technical field of biomass black particle, and provides a method for continuously producing forestry biomass black particles with low energy consumption and a product thereof, the method comprising the following steps: mixing forestry biomass crushed material with a water content of less than 12% with an acid component after impurity removal and preheating treatment to obtain a mixed system; performing steam insulation and pressure maintaining treatment on the mixed system, then performing pressure reduction and spraying, and performing steam-solid separation to obtain a solid with a water content of 12-18%; and forming the solid to obtain the biomass black particles; the acid component is obtained by removing volatile components in a steam component obtained through steam-solid separation by a rectification process with a vacuum degree of 80-85 kPa; and the volatile components include one or a combination of two or more of essential oil, resin acid and furfural. The present application is continuously operated in the whole process, the process is controllable, the product quality is stable, and the utilization rate of forestry biomass components is high.

The invention provides a low-solid-content and temperature-resistant single-component chloroprene rubber adhesive and a preparation method thereof. The single-component chloroprene rubber adhesive comprises modified chloroprene rubber, tackifying resin, an acid absorbent, an auxiliary agent and a solvent, the modified chloroprene rubber is prepared through an emulsion polymerization method, 2-chloro-1, 3-butadiene is used as a main monomer, a small amount of 2-hydroxyethyl acrylate is introduced for copolymerization, and hydroxyl functional groups are introduced into rubber molecules; by controlling the molar ratio of the two monomers, the polarity and the heat resistance of the system are improved, and meanwhile, good processability is considered; the tackifying resin is terpene phenol resin prepared by reacting alpha-pinene and phenol, and the initial adhesion and compatibility of the adhesive are further improved; the obtained single-component chloroprene rubber adhesive has the advantages of being low in solid content, good in construction performance, excellent in heat resistance and storage stability and the like, and is suitable for the field of electronic, electrical and industrial bonding.

To provide a resist composition capable of producing a resist pattern having good line edge roughness.SOLUTION: The resist composition contains a resin containing a structural unit derived from a compound represented by a specific structure and a structural unit represented by formula (a1-2), an acid generator, and a carboxylate salt generating an acid weaker in acidity than an acid generated from the acid generator. [In the formulae, La2 represents -O - or the like; Ra7 represents an alkyl group, an alkenyl group, an alicyclichydrocarbon group, or the like; n1 represents an integer of 0 to 10; and n1 ' represents an integer of 0 to 3.]. ] SELECTED DRAWING: None

The invention relates to a rust removal lubricant for metal and a preparation method of the rust removal lubricant, and belongs to the technical field of metal rust removal and corrosion prevention. The rust removal lubricant for the metal comprises a linoleic acid modified resin acid derivative, a quaternary ammonium salt modified montmorillonite-vegetable oil compound, a quaternized lignin derivative, d-limonene, epoxidized soybean oil, maleic anhydride modified tung oil, benzotriazole, a nonionic surfactant, a pH buffer system and deionized water. Through the molecular design and synergistic effect of core components such as the linoleic acid modified resin acid derivative, the quaternary ammonium salt modified montmorillonite-vegetable oil compound, the quaternized lignin derivative and the d-limonene, excellent permeability, rapid rust removal capacity and long-acting lubricating and anti-rust performance are achieved; the metal rust remover can be widely applied to rust removal, lubrication and protection of metal products such as mechanical equipment, automobile parts and hardware tools, the service life of the metal parts is prolonged, meanwhile, bio-based raw materials are adopted, the VOC content is low, and the environment-friendly requirement is met.

The invention provides a chemically amplified positive photoresist as well as a preparation method and application thereof, and relates to the technical field of photoresists. The chemically amplified positive photoresist provided by the invention comprises mixed resin and sulfydryl-containing resin, wherein the mixed resin is composed of acid dissociation (methyl) acrylic resin and alkali-soluble resin; due to the addition of the (methyl) acrylic resin with the acid dissociation property, the photoresist shows excellent tolerance to an electroplating solution, so that an electroplating forming product with excellent collapse margin is obtained. And meanwhile, sulfydryl is introduced into a resin system, so that the size of the footing in a non-exposure area can be effectively controlled, and the balance between the size of the footing and the electroplating-resistant liquid is realized. After the chemical amplification type positive photoresist is exposed, a photoresist pattern with relatively good morphology can be formed.

The invention relates to the technical field of pipeline anticorrosion materials, and discloses a preparation method of a polypropylene adhesive for pipeline anticorrosion, which comprises the following steps: (a) providing polypropylene matrix resin, anhydride grafted polypropylene and the like; (b) putting the polypropylene matrix resin, the anhydride grafted polypropylene, the tackifying resin, the elastomer, the antioxidant and the plasticizer into mixing equipment, and mixing at a low speed from room temperature to 60 DEG C to obtain a premix; and (c) adding the premix, the filler, the curing agent and the diluent into a double-screw extruder together, and carrying out melt blending, extrusion, cooling and granulation to obtain the polypropylene adhesive for pipeline corrosion prevention. Compared with the prior art, the preparation method of the polypropylene adhesive for pipeline corrosion prevention, provided by the invention, has the advantages that through an optimized raw material formula and a specific process flow, the prepared adhesive has excellent bonding strength, flexibility and aging resistance, is suitable for being prepared into a powder form, and has a good application prospect. And storage, transportation and coating in the pipeline anti-corrosion construction are facilitated.

Provided is a resin composition containing: a vinyl ester resin (A) having an epoxy group and an acid value of less than 1 KOHmg / g; at least one type of monomer (B) selected from radical-polymerizable monomers and epoxy monomers and excluding methacrylic acid; methacrylic acid (C); and a thickening component (D). In the resin composition, the content ratio of component (C) to component (D) ([methacrylic acid] / [thickening component]) in terms of a mass ratio is 0.5-4.5.

The utility model relates to the technical field of C5 resin processing, and discloses feeding equipment for reducing the acid value of C5 resin, which comprises an acid reducing tank, and an alkaline neutralizer storage barrel is vertically arranged in the middle of the top end of the acid reducing tank; and the feeding mechanism is used for continuously and uniformly mixing the alkaline neutralizer and the C5 resin, and comprises an electric-hydraulic push rod and a transfer pump. According to the device, the electric-hydraulic push rod is controlled to work, the piston can be pushed to move downwards, an alkaline neutralizer in the alkaline neutralizer storage barrel can be guided into the filling pipe, the transfer pump is controlled to work, C5 resin at the bottom end in the deacidification tank can be pumped out through the transfer pump, and the C5 resin is guided into the filling pipe through the discharging pipe; c5 resin can be uniformly dispersed into the deacidification tank together with an alkaline neutralizer discharged from the alkaline neutralizer storage barrel through the liquid guide holes, and meanwhile, the alkaline neutralizer in the deacidification tank can be uniformly mixed with the C5 resin.

The utility model relates to the technical field of waste gas treatment, and discloses a chimney for unsaturated polyester resin acid waste gas treatment, which comprises a chimney body, an exhaust pipe is fixedly connected to the outer wall of the chimney body, a shell is fixedly connected to the outer wall of the exhaust pipe, an adjusting assembly is arranged in the shell, and a driving assembly is arranged at the bottom of the shell. The adjusting assembly comprises two guide rods, the guide rods are fixedly connected into the shell, the outer walls of the guide rods are slidably connected with two sliding blocks, a baffle is fixedly connected between the outer walls of the two sliding blocks, the outer walls of the guide rods are sleeved with springs, the driving assembly comprises a shell, and the shell is fixedly connected to the bottom of the shell. According to the utility model, the flow and the flow velocity of waste gas are intelligently adjusted through the cooperative work of the adjusting assembly and the driving assembly. When the temperature of waste gas changes, the volume of paraffin in the shell changes, the baffle is driven by the connecting rod to slide on the guide rod, and therefore the waste gas circulation section in the exhaust pipe is adjusted.

A polymer film, comprising at least one active layer made of a composition containing a polymeric substrate comprising at least one of the polyolefin polymer and polyamide 6, and a coniferous resin acid(s) dispersed in the polymeric substrate.

A rubber material which is a rubber material containing a sulfur-modified chloroprene polymer, the content X (mass%) of sulfur constituting the aforementioned sulfur-modified chloroprene polymer, and the total amount Y (mass%) of a conjugated resin acid and a salt of a conjugated resin acid satisfy the following formula (A) with respect to the total amount of the rubber material being 1.00 mass% or more.13.90X - 5.10 ≤ Y...(A)

An object of the present invention is to provide a polyol composition which, despite using a biomass-derived polyester polyol, has high miscibility with a polyisocyanate and is capable of producing a flexible polyurethane foam having high flexibility and appropriate compression hardness.　 The present invention relates to a polyol composition characterized by including a polyester polyol and a polyether polyol.　The polyester polyol is a reaction product of raw material compounds including:　 a rosin (a) including a resin acid (a1) having a conjugated double bond;　 a biomass-derived fatty acid (b) including an unsaturated fatty acid (b1);　 an α,β-unsaturated carboxylic acid (c);　 an aliphatic saturated polycarboxylic acid (d); and　 a polyol (p) including a diol (p1) having an ether bond.　

The application discloses a method for removing heavy metals from electroplating waste acid, and belongs to the technical field of wastewater treatment. The method comprises the following steps: S1, filtering electroplating waste acid to obtain pretreated liquid; S2, adjusting the pretreated liquid to be acidic and then performing ultrafiltration to obtain filtered liquid; S3, adsorbing and separating heavy metals and sulfate by using amino imidazole phosphonic acid modified D851 resin; S4, eluting and desorbing the resin to regenerate and recycle; and S5, electrolyzing the sulfate solution to recover high-purity metal elements at a cathode and recover sulfuric acid at an anode. The method realizes efficient and deep removal of heavy metals from electroplating waste acid by a combined process, and simultaneously completes resource recovery of sulfuric acid and metals; the modified resin has strong acid resistance and good cyclic stability, the overall process is stable in operation, and the environmental protection benefit and economic benefit are outstanding, so that the method is suitable for industrial application.

[Problem] To provide: an epoxy resin composition which has excellent impregnation into reinforcing fibers, enables high-order control of the crosslinked structure of a cured object, and achieves both high elastic modulus and high toughness; and a fiber-reinforced composite material in which a decrease in TgH / W with respect to TgDRY is inhibited, and which has excellent water resistance even in a severe environment, can be used over a long period, and exhibits high mechanical characteristics. [Solution] The epoxy resin composition comprises the following components (A) to (D), wherein the component (C) includes a chloride as an anion species. (A) an epoxy resin; (B) an acid anhydride; (C) a quaternary amine salt and / or a quaternary phosphonium salt; (D) core / shell rubber particles.

Described are a negative resist composition that can form a resist pattern with good resolution, and a method for producing a resist pattern using the negative resist composition. The negative resist composition contains a resin (A1) having a phenolic hydroxy group, an acid generator (B), a crosslinking agent (E), and a quencher (C). The acid generator (B) includes a compound (B4) having an amide skeleton. The method for producing a resist pattern uses the negative resist composition.

A terminal-fitted electric wire includes: a wire portion including a terminal fitting, an insulated electric wire including a conductor and an insulation covering, and an electrical connection portion in which the terminal fitting and the insulated electric wire are electrically connected to each other; a tube member covering the outer circumference of the insulation covering in a part along the insulated electric wire; and a resin coat covering a part of the wire portion which includes the electrical connection portion of the wire portion and is in contact with at least a part of an outer surface of the tube member. The tube member is formed as a single-layered cylinder including a crosslinked polyolefin resin, and an acid-modified resin in an amount 5-40 parts by mass of resin ingredients, and a thermoplastic elastomer in an amount of 20-40 parts by mass of the resin ingredients.

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.

Provided is a novel drug-free antifouling coating composition capable of suppressing adhesion of marine organisms and algae to aquatic materials, structures in the sea, fishing nets, and the like. The drug-free antifouling coating composition according to the present invention comprises: a resin (A) which has an acid value of from 0 mgKOH / g to 10 mgKOH / g (inclusive) and a weight average molecular weight (Mw) of from 50,000 to 350,000 (inclusive), and which is one or more resins selected from the group consisting of acrylic resins, acrylic silicone resins, polyester resins, alkyd resins, and alkyd rosin resins; and an adhesion inhibitor (B) that is at least one compound selected from the group consisting of an organosilicon compound and an aliphatic hydrocarbon compound, and does not contain a compound selected from the group consisting of cuprous oxide, bis (2-thio-1-pyridine oxide) copper, and bis (N, N-dimethyldithiocarbamic acid) N, N-dimethyldithiocarbamic acid) N, N-dimethyldithiocarbamic acid (N, N-dimethyldithiocarbamic acid) N, N-dimethyldithiocarbamic acid) N, N-dimethyldithiocarbamic acid). The aquatic organism repellent is at least one selected from the group consisting of N, N '-ethylidene bis (thiocarbamoylzinc thioate) and N, N'-ethylidene bis (thiocarbamoylzinc thioate).

The invention relates to a combined ion exchange system for deep treatment of comprehensive wastewater containing heavy metals and a process control technology. The invention relates to a combined ion exchange system and process for deep treatment of comprehensive wastewater containing heavy metals. The process comprises the following steps: pretreating, adjusting pH, demulsifying and air-floating, and reacting and settling to remove heavy metals / chromium / calcium magnesium; removing calcium and the like by using a weak positive column (sodium resin with the flow rate of 5-40m / h or 2-20BV / h), and carrying out acid-washing and alkali-washing transformation regeneration on the resin; removing anion pollutants by using an anion column (chlorine type resin), and performing acid pickling, salt washing and alkali washing regeneration on the resin; removing metal by using a chelating column, and regenerating resin with weak positive ions; and finally adjusting the pH value to 6-9 and discharging. The heavy metal can reach the standard of GB21900-2008, and the resin can stably run for more than 5 years, and is used for high-standard stable standard treatment of heavy metal-containing wastewater in the industrial fields of electroplating, surface treatment, electronics, non-ferrous metal metallurgy and other industries, recovery of salt in high-salt wastewater, deep purification of salt water in salt chemical industry and chlor-alkali industry, and the like.

The present invention relates to a natural zootechnical additive for improving performance, composed of resin acids extracted from Pinus resin, with a minimum of 10% resin acids. This additive can be used in feed or water given to animals, or added to zootechnical facilities, with the aim of promoting improvements in zootechnical and economic performance by maintaining the integrity of the intestinal wall, improving intestinal eubiosis and, consequently, increasing the digestibility and absorption of nutrients in the diet, as well as improving the environment and animal welfare.

A negative resist composition and a method for producing a resist pattern using the negative resist composition are described. The negative resist composition includes a resin (A1), an acid generator (B) and a crosslinking agent (E). The resin (A1) includes a structural unit represented by the formula (a2-1) and a structural unit represented by the formula (a2-4); and the acid generator (B) includes at least two acid generators each having a group represented by the formula (B1), and at least one thereof is a compound represented by the formula (b1):

The invention discloses a nano palladium immersion plating process for a single crystal copper bonding wire. The nano palladium immersion plating process comprises the following steps: S1, surface cleaning; s2, preparing a basic solution; s3, preparing a dip plating solution; and S4, immersion plating treatment. A mixed solvent composed of ethyl alcohol and isopropyl alcohol forms a homogeneous phase through polarity complementation, rosin resin acid and benzotriazole which are polar components and oleic acid which is a weak polar component can be dissolved at the same time, a long-chain hydrophobic group of the oleic acid is combined with an octylphenol hydrophobic chain of OP-10 through a hydrophobic effect, a hydrophilic end acts with a hydroxyl group of the solvent and the surface of palladium powder, and therefore the rosin resin acid and the benzotriazole can be dissolved at the same time. According to the invention, the nano palladium powder is uniformly dispersed in the immersion plating solution to form a hierarchical stable structure of gran-oleic acid-OP-10-solvent, so that the agglomeration condition of the nano palladium powder can be avoided, palladium particles are uniformly suspended and dispersed in the immersion plating solution, a uniform and consistent plating layer can be obtained after immersion plating, the plating layer is matched with a smoother copper wire surface, the combination degree between the plating layer and the copper wire is high, and the plating layer does not fall off; and the oxidation resistance of the single crystal copper bonding wire is improved.

The invention discloses silk-screen printing type low-gold-content organic gold paste and a preparation method thereof. The slurry comprises the following components in percentage by mass: 21.0-25.0% of a vulcanized resin acid gold powder precursor; 25.0 to 35.0% of an organic resin filler; the total amount of the organic resinate additives containing palladium, lead, rhodium, bismuth and chromium is 5.0-7.0%; and 30.0 to 50.0% of an organic solvent. According to the organic gold paste, high-gold-content (more than or equal to 60%) vulcanized resin acid gold powder prepared by taking dichloromethane as a medium at normal temperature and normal pressure is used as a precursor, the mass fraction of the gold element can be as low as 14.6-15.2% after the paste is prepared, and the paste still has a reliable silk-screen printing characteristic and an appropriate-temperature (750-900 DEG C) film-forming sintering characteristic; when being applied to electrode preparation of capacitive pressure sensors, thermal printing heads and other products, the electrode has the advantages of low cost and high reliability.

The invention relates to an ionomer coating for eliminating surface charges. The ionomer coating comprises the following components: matrix resin; an acidic ionomer; the main cross-linking agent has a hydrogen bond group and a base group, the functionality of the base group is 1, the functionality of the hydrogen bond group is greater than or equal to 1, epoxy resin can be added as an auxiliary cross-linking agent, and the functionality of the epoxy resin is greater than or equal to 2; and a polar solvent. The invention also provides a preparation method of the corresponding ionomer coating and a coating. The ionomer coating for eliminating the surface charges, the preparation method of the ionomer coating and the corresponding coating have the beneficial effects that the service life can be greatly prolonged on the premise of not influencing the storage life and the coating performance of the acidic ionomer coating; the coating can be cured at low temperature to form a film and is suitable for a heat-labile plastic substrate; the paint can be prepared into water-based paint to reduce pollution; the method is low in raw material cost, convenient to implement and suitable for large-scale industrial application.

The invention discloses acrylic acid modified polyester resin as well as a preparation method and application thereof. The acrylic acid modified polyester resin is prepared from the following preparation raw materials: polyol, polyacid, acrylic resin, an acidolysis agent and an esterification catalyst, the mass percent of the acrylic resin in the preparation raw materials of the acrylic modified polyester resin is 3-13%; the acrylic resin is prepared from the following preparation raw materials in parts by mass: a hard monomer, a soft monomer, a reactive monomer, a solvent and an initiator; the mass percent of the reactive monomer in the preparation raw materials of the acrylic resin is 6-12%; the reactive monomer comprises at least one of methacrylic acid, acrylic acid, hydroxyethyl acrylate or glycidyl methacrylate. By regulating and controlling the specific raw material composition of the acrylic resin, the obtained polyacrylic resin has good weather resistance, and the finally formed acrylic acid modified polyester resin can be collinearly produced and coated with the existing polyester resin.

To provide a negative resist composition capable of forming a resist pattern having good storage stability, and a method for producing a resist pattern using the negative resist composition.SOLUTION: There are provided a negative resist composition and a method for producing the same, the negative resist composition containing a resin (A1), an acid generator (B), and a crosslinking agent (E). The resin (A1) contains a structural unit represented by formula (a2-1) and a structural unit represented by formula (a2-4), and the acid generator (B) is a compound containing a specific acid generator. [In the formula (a2-1) and the formula (a2-4), Ra7 and Ra13 each independently represent a hydrogen atom or a methyl group.]SELECTED DRAWING: None

The invention relates to the technical field of sound insulation materials, in particular to carbon nanotube reinforced epoxy resin high-strength sound insulation cotton which is prepared from the following raw materials: epoxy resin, acidification modified carbon nanotubes, an anhydride curing agent, an imidazole accelerant and a silane coupling agent. The silane coupling agent is combined with the acidified modified carbon nanotube, and the diameter of the acidified modified carbon nanotube is 5-30 nm and the length of the acidified modified carbon nanotube is 3-15 [mu] m. By adopting the technical scheme of coordination of acidification modification of the carbon nanotubes and the coupling agent, the problem of dispersion caused by surface inertia of the carbon nanotubes is fundamentally solved, the interface bonding force between the reinforcing agent and a resin matrix is remarkably improved, the mechanical strength of the material is qualitatively improved, meanwhile, the sound insulation performance is optimized, and the service life of the material is prolonged. The problem that strength and sound insulation are difficult to consider in a traditional reinforcing scheme is solved.