539 results about "Rosin" patented technology

The invention belongs to the field of plastic product production, and particularly relates to a composite material for preparing a textile dyeing tube. The composite material mainly comprises the following components in parts by weight: 10 parts of PET resin, 10 parts of ASA resin, 1-6 parts of matt master batches, 1-3 parts of titanium dioxide, 1-2 parts of rosin, 0-1.5 parts of an antioxidant, 0-1 part of a fire retardant and 1-2 parts of a lubricating agent, wherein titanium dioxide is rutile titanium dioxide. Compared with the prior art, the components are good in compatibility; the molded product has excellent physical and mechanical properties, low glossiness, high strength (caused by titanium dioxide) and good tenacity, and is suitable for injection molding of plastic products; the metallic luster caused by titanium dioxide can be reduced; the noise can be reduced; titanium dioxide can be used for disinfecting under irradiation of an ultraviolet lamp; the composite material is very convenient; and the lubricating agent is added, so that the surface is relatively smooth.

The invention relates to the technical field of novel resin and application thereof, in particular to modified rosin phenolic resin, a preparation method thereof and offset printing frosted ink. The modified rosin phenolic resin comprises silica powder grafted rosin phenolic resin, and the preparation method of the modified rosin phenolic resin comprises the following steps: preparing the silica powder grafted rosin resin, and modifying the phenolic resin by the silica powder grafted rosin resin. The resin is used for offset printing frosted ink, enables the frosted ink to be uniformly and stably transferred to the surface of a printing stock, is good in transfer property, uniform in frosted effect and good in concave-convex feeling, effectively enhances the adhesive force of a base material, is suitable for high-speed offset printing, and is excellent in printing adaptability.

The invention relates to high-flexibility phenolic-aldehyde-free rosin modified resin, and belongs to the technical field of rosin resin. The raw materials comprise rosin, maleic anhydride, phthalic anhydride, pentaerythritol, glycerol, an acrylate monomer and magnesium oxide. The preparation process comprises four key reactions: (1) rosin and maleic anhydride are subjected to a Diels-Alder reaction to construct a rigid skeleton; (2) introducing phthalic anhydride to form a compact cross-linked network; (3) carrying out composite esterification on pentaerythritol and glycerol; and (4) the interface binding energy is improved by regulating and controlling the in-situ RAFT polymerization of the acrylate monomer. The resin does not contain phenolic aldehyde components, VOCs emission is smaller than 50 g / L, free formaldehyde is not detected, and the resin has high flexibility, heat resistance and excellent chemical resistance.

The invention relates to the technical field of turpentine processing, in particular to a turpentine continuous melting and clarifying processing device and method.The turpentine raw material is put into a feeding cylinder, piled in an inclined scattering cylinder, subjected to axial autorotation along with the feeding cylinder, discharged downwards and distributed in all areas in a dissolving tank, and after dissolving is completed, the turpentine raw material is poured into the feeding cylinder to be subjected to continuous melting and clarifying processing. When the telescopic part drives the sieve plate to move upwards until the bottom end of the movable cylinder abuts against the sieve plate, the sieve plate axially rotates along with the feeding cylinder and drives the movable cylinder to axially rotate, so that the material leakage port and the material scattering port are staggered, the movable cylinder rolls solid matters in the circumferential direction of the sieve plate, and the resin liquid is discharged into the clarifying tank along the liquid leakage pipe while slag is discharged from the slag outlet; after grease water in the clarification tank is layered, most of the water layer is discharged, the grease water is put into the feeding cylinder for circular treatment, and the steam injection system and the emptying pipe in the clarification tank are opened for distillation treatment, so that the continuous processing efficiency is further improved.

The invention discloses rosin modified zinc acrylate self-polishing resin, an antifouling paint containing the resin and a synthesis method. Firstly, under the action of an initiator, an acrylic prepolymer is synthesized from an acrylic monomer through a polymerization reaction; then, under the action of zinc oxide and benzoic acid, rosin resin is grafted to the side chain of the acrylic prepolymer, and zinc acrylate resin with the side chain containing rosin is obtained; and mixing, dispersing and grinding the rosin modified zinc acrylate resin, an anti-fouling agent, pigment filler, an auxiliary agent and a solvent to obtain the self-polishing anti-fouling paint based on the rosin modified zinc acrylate resin. The prepared rosin modified zinc acrylate self-polishing resin is high in polymerization degree, concentrated in molecular weight distribution and good in plasticity and flexibility, and the self-polishing antifouling paint based on the rosin modified zinc acrylate self-polishing resin comprises a cuprous oxide main antifouling agent and a composite organic antifouling agent and has the stable copper ion seepage rate and the good antifouling effect.

The invention relates to the technical field of amorphous calcium carbonate preparation, in particular to rosin-coated stable amorphous calcium carbonate and a preparation method and application thereof. Preparing a polyaspartic acid solution, adding an alcohol organic solvent to obtain a composite solvent, adding the regenerated micro-powder into the composite solvent, stirring and uniformly mixing to obtain a suspension, injecting CO2, and carrying out wet carbonization, vacuum filtration separation, washing and drying to obtain regenerated micro-powder micron particles containing ACC; the preparation method comprises the following steps: adding the calcium carbonate into a rosin solvent, uniformly stirring and mixing, and then carrying out vacuum filtration separation, washing and drying to obtain the rosin-packaged amorphous calcium carbonate micron particles. A uniform coating layer can be formed on the surfaces of ACC particles in a viscous solvent state, so that the influence of moisture on ACC crystallization is fully isolated, and the ACC stability is effectively maintained. Meanwhile, controllable dissolution is achieved through protonation in an alkaline environment, the gelling function of calcium carbonate can be recovered in a cement system, and the material performance is improved.

The invention relates to the field of solder materials, and provides a non-ferrous metal solder for low-temperature brazing and application, the solder is composed of carbon-coated copper nanorods, tin-bismuth alloy-coated silver nanoparticles, 2-mercaptobenzimidazole, rosin resin, an organic active agent, a dispersing agent, ionic liquid, hydroxyethyl cellulose, indium nitrate and citric acid. The silver particles are of a core-shell structure and are coated with tin-bismuth alloy layers, and continuous carbon layers are formed on the surfaces of the copper nanorods, so that the conductivity and the interface stability of the solder are effectively improved. The non-ferrous metal solder with excellent conductivity, low melting point and good wettability is prepared through step-by-step mixing, hot press molding and low-temperature heat treatment processes, and is suitable for electronic device packaging, power device connection and flexible circuit interconnection, and the defects of existing solder in the aspects of low-temperature welding and high conductivity are overcome.

The invention relates to the technical field of high polymer materials, and discloses a high-durability pressure-sensitive adhesive with low VOCs release and a preparation method thereof.The high-durability pressure-sensitive adhesive is prepared from, by weight, 50-80 parts of acrylate copolymer, 0.5-5 parts of cross-linking agent, 10-30 parts of tackifying resin, 1-10 parts of inorganic filler, 0.1-2 parts of antioxidant and 20-50 parts of solvent. Wherein the tackifying resin is at least one of hydrogenated petroleum resin and glycerol ester of rosin, and the inorganic filler is one of nanoscale silicon dioxide and calcium carbonate. Butyl acrylate is used as a main monomer, 2-ethylhexyl acrylate is used as a comonomer, acrylic acid is used as a functional monomer, benzoyl peroxide is used as an initiator, free radical polymerization is carried out at the temperature of 60-85 DEG C under the protection of nitrogen for 4-8 hours, and a copolymer chain with the molecular weight distribution index (PDI) smaller than or equal to 2.5 is formed, so that the viscosity and elasticity of colloid can be balanced; the peeling strength and the weather resistance are improved, and the colloid is prevented from being too soft or embrittled.

The present application provides a method for preparing rosin resin, which belongs to the field of rosin processing. The preparation method comprises the following steps: (1) putting rosin into a reactor, heating to 180-200°C under inert gas protection and melting; (2) adding a catalyst of 0.01-0.5% by weight of rosin and a polyol of 6-12% by weight of rosin, and reacting at 200-290°C for 6-15 hours; (3) evacuating until the rosin resin reaches a specified acid value; (4) adding an antioxidant of 0.01-0.5% by weight of rosin, stirring evenly, and discharging to obtain rosin resin. The present application adds a post-treatment agent, so that the prepared rosin resin has less effect on cell activity, shows excellent cell compatibility, and has good weather resistance, and has important application value in the medical field.

The invention relates to rosin modified resin and a preparation process thereof and low-odor printing ink, the rosin modified resin is prepared from maleic anhydride, sulfonate alkyd resin, rosin and a metal organic framework, and the sulfonate alkyd resin is prepared from neopentyl glycol, dibutyltin dilaurate, m-phthalic acid-5-sodium sulfonate, phthalic anhydride and pentaerythritol. The printing ink has the effect of improving the strength and smell of the printing ink.

Disclosed in the present invention are a super-hydrophobic polylactic acid film having long-lasting self-cleaning performance and a preparation method therefor, belonging to the technical field of materials. The method comprises: by using polylactic acid as a main material, polymerized rosin as a pore-foaming agent and toluene as an extraction agent, performing non-solvent induced phase separation to prepare a polylactic acid porous film; and then soaking same in a hydrophobic substance solution so as to obtain the super-hydrophobic polylactic acid film. The super-hydrophobic polylactic acid film obtained in the present invention has an initial water contact angle reaching 150 degrees or above, and has super-hydrophobicity and a remarkable self-cleaning effect. In addition, after a plurality of times of rubbing, 94% or above of the water contact angle of the film can be kept and the self-cleaning property is still remarkable. Therefore, said film has wide application prospects in the fields such as self-cleaning, fluid drag reduction, oil-water separation and icing and corrosion prevention.

The invention discloses a waterborne polyurethane adhesive and a preparation method thereof, and belongs to the technical field of high polymer materials. The waterborne polyurethane adhesive provided by the invention comprises a main agent and a curing agent, and most of raw materials of the main agent and the curing agent are waterborne materials, such as a waterborne polyurethane dispersion, a waterborne acrylic emulsion, a waterborne EVA emulsion, a waterborne rosin resin emulsion, a waterborne terpene resin emulsion and waterborne isocyanate. Due to the water-based materials, the adhesive has the characteristics of low VOC (volatile organic compounds), zero formaldehyde and low odor. Moreover, the water-based isocyanate in the curing agent and the active hydroxyl in the main agent component can be subjected to addition polymerization reaction to form a cross-linked network polymer, so that the adhesive has relatively high cohesiveness and can meet the bonding requirement of the automotive trim.

The present invention relates to the technical field of photocurable materials, and in particular to a cationic epoxy resin photocurable adhesive and a preparation method and application thereof. The cationic epoxy resin photocurable adhesive provided by the present invention comprises the following components by weight percentage: 25-55% alicyclic epoxy resin, 10-25% organosilicon-modified alicyclic epoxy resin, 10-25% oxetane, 5-20% rosin ester diol, 5-10% adhesion promoter, 0.3-3% sensitizer, and 0.1-2% photoacid generator. The cationic epoxy resin photocurable adhesive provided by the present invention is used in the bonding of electronic materials, and has the advantages of high adhesion and high elongation, especially the adhesion to copper materials is higher than that of conventional cationic epoxy adhesives, which solves the defects of conventional cationic photocurable adhesives, and the cured product has excellent performance, high aging reliability, and a wide range of applications.

To provide: a reactive adhesive that has excellent alkali releasability and does not undergo strength degradation over time even when the contents include acidic components, alkaline components, volatile components, surfactant components, and the like, and that also exhibits excellent recyclability and long-term content resistance; and a laminate, a packaging material and a packaged article that achieve both recyclability and long-term content resistance.SOLUTION: The reactive adhesive comprises a polyol composition and a polyisocyanate. The polyol composition comprises a polyester polyol (A) and a rosin-modified resin (B) having a hydroxyl group and an acidic group. The polyester polyol (A) is produced from polybasic acids or derivatives thereof and polyhydric alcohols as essential raw materials. The content of polybasic acids or derivatives thereof having an aromatic ring in the total amount of polybasic acids or derivatives thereof is 35 mass% or more. The mass ratio ((B) / (A)) of the rosin-modified resin (B) to the polyester polyol (A) is from 0.03 to 1.5.SELECTED DRAWING: None

The invention relates to the technical processing field of copper powder columns, in particular to a production process of an integrated supporting copper powder column and a VC vapor chamber, and the production process comprises the following steps that a mold is provided with a plurality of powder containing units, each powder containing unit is provided with a plurality of powder preparing grooves, and the adjacent powder preparing grooves are connected through a channel; the preparation method comprises the following steps: uniformly stirring copper powder, bismuth trioxide, antimony trioxide, silver, rosin resin, an adhesive, carbon nanotubes, a pore forming agent and water to obtain mixed powder; filling the mixed powder into a powder making groove and a channel; inserting the mixed powder into the center of the powder making tank filled with the mixed powder to obtain a pre-fired product; and preheating the pre-fired product in an environment with the temperature of 200-300 DEG C, preserving heat for 40-60 minutes at the temperature of 600-800 DEG C, preserving heat for 2-3 hours at the temperature of 1070-1100 DEG C, cooling to 20-30 DEG C, and demolding to obtain a finished product. Through the design of the powder containing unit of the mold, copper column inserting firing is matched after powder filling, an integrated supporting structure is formed, the overall stability of the supporting column is enhanced, different height requirements are met, collapse and falling are avoided, and the use stability of the vapor chamber is guaranteed.

The invention discloses a natural resin adhesive, a production method and application in paper-plastic composite packaging, and belongs to the technical field of adhesives, raw materials adopt bio-based rosin resin and amber resin as main materials and polyimide resin containing antioxidant modified polysilsesquioxane as an auxiliary material, and the requirements of green and environmental protection are met. The adhesive has excellent ultraviolet shielding function, can meet the requirement of long-time adhesion of packaging without aging in paper-plastic composite packaging, and structurally contains rigid structures of polysilsesquioxane and titanium-based MOF, so that the overall strength of the adhesive can be improved, cracking and stripping are avoided, and the adhesive has high adhesive strength. And the porosity of the polysilsesquioxane and the titanium-based MOF can improve the heat dissipation capability of the adhesive.

The invention relates to a lead-free and halogen-free soldering paste and a preparation process thereof, and belongs to the technical field of soldering paste production, through the combination of nano-silver-loaded carbon nanotubes, organically coated solder alloy powder and soldering flux, the surface tension of the lead-free and halogen-free soldering paste can be reduced by carbon nanotube surface carboxyl in the nano-silver-loaded carbon nanotubes, so that the lead-free and halogen-free soldering paste is obtained. Nano-silver and tin form an Ag3Sn strengthening phase which synergistically promotes wetting and spreading of the solder on a substrate, meanwhile, the carbon nanotubes loaded with the nano-silver are uniformly dispersed in the soldering paste to play a dispersion strengthening role, and the brittleness caused by bismuth segregation is effectively inhibited in cooperation with the grain refinement effect of copper and indium in the solder alloy powder; and the organic coating layer hydrogenated rosin-terpene resin and the soldering flux alcohol ether solvent form a slight dissolution-fusion effect, so that the welding flux alloy powder is prevented from being oxidized, an organic acid active agent can be released to remove a substrate oxidation film, the metallurgical bonding quality of a welding interface is further guaranteed, and the defects of pseudo soldering, cavities and the like are reduced.

The invention relates to the technical field of hot-melt pressure-sensitive adhesives, in particular to a hot-melt pressure-sensitive adhesive special for instillation type coating and a preparation method of the hot-melt pressure-sensitive adhesive. The hot-melt pressure-sensitive adhesive is prepared from the following raw materials in parts by mass: 25 to 35 parts of styrene block copolymer, 40 to 50 parts of tackifying resin, 20 to 30 parts of plasticizer and 0.1 to 0.5 part of antioxidant. Wherein the styrene block copolymer is preferably compounded from S-1528, 4411ND and 6241A, the tackifying resin is preferably hydrogenated rosin glyceride with the softening point of 85-90 DEG C, and the plasticizer is medical white oil. The 180-degree peel strength of the prepared product is larger than 5.0 N / 25 mm, the 180-degree viscosity is 2000-6500 cps, the instillation precision can reach + / -8 microns, and the product has excellent adhesive performance and process adaptability and is suitable for instillation type coating scenes.

Provided is a transparentizing agent which is formed from a bio-derived raw material and with which a transparent paper having excellent transparency and stability over time can be obtained. The present invention provides a transparentizing agent comprising a polyester resin component, which is a reaction product of raw material components including (A) rosins, (B) a polycarboxylic acid, (C) a polyol, and (D) an aliphatic monocarboxylic acid, wherein the acid value of the polyester resin component is 100 mgKOH / g or less, the weight average molecular weight of the polyester resin component is 1,000,000 or less, and the refractive index of the polyester resin component is 1.40-1.60.

The invention discloses modified precision casting wax as well as a preparation method and application thereof. The modified precision casting wax is prepared from the following raw materials and components in parts by mass: 17 to 25 parts of microcrystalline wax, 10 to 15 parts of paraffin, 5 to 10 parts of stearic acid, 2 to 4 parts of ethylene-vinyl acetate, 2 to 6 parts of lignite wax, 2 to 5 parts of Piccotex75 resin, 10 to 15 parts of terpene resin, 5 to 15 parts of D-mannitol, 5 to 15 parts of adipic acid, 8 to 15 parts of rosin glyceride, 1 to 3 parts of carnauba wax, 2 to 5 parts of candelilla wax, 1 to 3 parts of hydroxyethyl cellulose and 0 to 3 parts of starch. According to the modified precision casting wax disclosed by the invention, the performance of a wax mold is improved by compounding functional aids, so that the modified precision casting wax has high bending hardness and surface hardness, lower shrinkage rate and good dimensional stability, and can be widely applied to the field of high-precision casting.

The invention belongs to the technical field of phenolic resin synthesis, and particularly relates to low-temperature curing type rosin modified phenolic resin and a preparation method thereof.The low-temperature curing type rosin modified phenolic resin is prepared from, by weight, 100 parts of phenol, 150-220 parts of formaldehyde aqueous solution, 20-40 parts of rosin, 5-10 parts of diphenyl cyclooctyne-sulfydryl and 7-12 parts of diphenyl azide phosphate; the preparation method comprises the following steps: modifying traditional phenolic resin by using rosin, diphenyl cyclooctyne-sulfydryl and diphenyl azide phosphate; rosin molecules contain a plurality of carbon chains and flexible annular structures, the resin system is introduced, the acting force between the molecular chains can be weakened, carbon-carbon double bonds of the rosin molecules can be subjected to an alkene click reaction with sulfydryl of diphenyl cyclooctyne-sulfydryl, and the flexibility is improved; in order to realize low-temperature curing, diphenyl cyclooctyne-sulfydryl is introduced into synthesis of the phenolic resin, a basis is provided for click chemical reaction, and then the phenolic resin reacts with azide groups in diphenyl azide phosphate, so that a low-temperature curing effect is finally achieved.

To provide an actinic-ray-curable ink composition having favorable fluidity and capable of imparting favorable dry-down and scratch resistance to a printed matter obtained by the use thereof while reducing the use of photopolymerization initiators by using monomers and oligomers that can be polymerized even without using a photopolymerization initiator and even while reducing the use of diallyl phthalate resin from an environmental perspective. The above-described problem is solved by an actinic-ray-curable ink composition comprising a component (A) that is at least one polymer or resin selected from (A1) a polymer of allyl monomers, (A2) a rosin-modified resin, and (A3) a terpene monomer skeleton-containing resin, and a component (B) that is (B1) a monomer and / or an oligomer having an amine functional group and / or (B2) both a monomer and / or an oligomer not having an amine functional group but having an aryl ketone skeleton or an alkyl aryl ketone skeleton, and a polyether acrylate having an amine functional group.

The invention belongs to the technical field of adhesives, and relates to an epoxy resin composition, an epoxy resin adhesive film and application thereof. The epoxy resin composition comprises epoxy resin, a curing agent, a flexibilizer, a filler and rosin modified phenolic resin, the curing agent at least comprises a latent curing agent, the flexibilizer at least comprises acrylate rubber, the softening point of the rosin modified phenolic resin is 120-180 DEG C, the acid value is 40-100 mgKOH / g, and the filler is a filler. The rosin modified phenolic resin with the specific softening point and acid value is introduced, and the types of the curing agent and the flexibilizer are limited, so that the damping loss factor of an epoxy resin adhesive film prepared from the epoxy resin composition is relatively low in the range of 0-100 DEG C, and the stability of the damping loss factor is relatively high; meanwhile, the adhesive also has the characteristics of high elastic modulus, high toughness, high peel strength, good normal-temperature storage stability and good high-temperature rapid reactivity.

Systems, devices, and methods are disclosed for pen that distributes viscous plant material, such as rosin, from a cartridge. The pen receives, from a button, input corresponding to a first control instruction. The pen has a motor configured to receive the first control instruction from the controller and, in response, drive a spindle that linearly displaces a plunger, wherein the linear displacement of the plunger causes plant material to be pushed out of a nozzle of the pen. The pen cartridge includes a rubber plug configured to be linearly displaced by the plunger to cause rosin to be disturbed from the cartridge.

The invention discloses bonding glue, a preparation method and application, and belongs to the technical field of bonding glue. According to the bonding adhesive provided by the embodiment of the invention, the styrene-ethylene-butylene-styrene block copolymer and the rosin modified resin are compounded, and the styrene-ethylene-butylene-styrene block copolymer and the rosin modified resin both have relatively good high-temperature resistance and play a synergistic effect; therefore, the temperature resistance of the bonding glue is effectively improved.

The invention relates to the field of coatings, in particular to underwater antifouling paint and a preparation method thereof.The underwater antifouling paint comprises 2-5 parts of chlorinated rubber, 1-3 parts of chlorinated polyether resin, 1-2 parts of zinc acrylate resin, 35-50 parts of an antifouling agent, 9-12 parts of compound rosin, 2-5 parts of a flexibilizer, 1-3 parts of a stabilizer, 2-5 parts of a defoaming agent, 0.1-0.5 part of a dispersing agent, 2-3 parts of a thixotropic agent and 15-25 parts of a solvent; the antifouling agent comprises cuprous oxide, an organic antifouling agent and a natural biological antifouling agent; the compound rosin comprises gum rosin and rosin maleic anhydride polyol ester; the toughening agent is prepared from sorbitan fatty acid ester and tricresyl phosphate; the stabilizer comprises zinc oxide and polyoxyethylene fatty alcohol ether. The underwater antifouling paint disclosed by the invention has relatively high adhesive force, flexibility, impact resistance, water resistance and excellent antifouling property, and is suitable for ship bottoms and underwater facilities.

The invention relates to a soldering tin wire soldering flux for soft soldering of nickel parts and a preparation method of the soldering tin wire soldering flux. The soldering flux is prepared from the following raw materials: 2.0 to 8.0 percent of compound binary organic carboxylic acid, 1.0 to 10.0 percent of compound ionic state halogen activating agent, 1.0 to 5.0 percent of compound covalent state halogen activating agent, 0.3 to 3.0 percent of compound surfactant, 0.5 to 3.0 percent of metal salt, 0.1 to 1.0 percent of antioxidant, 1.0 to 5.0 percent of organic alcohol amine, 0.01 to 1.0 percent of odor masking agent, 2.0 to 6.0 percent of organic solvent and the balance of solvent. And the balance of compound modified rosin resin. The soldering tin wire soldering flux for soft soldering of the nickel part is high in activity, high in tinning speed, easy to wet, bright, full and clean in welding spot, high in residue dryness, excellent in splashing and comfortable and pleasant in welding experience in the soft soldering process of the nickel part, and high-quality stable industrial production can be achieved. The preparation method of the soldering flux is fine and standard, active functional groups of all the auxiliaries can be protected from being damaged or the damage degree is reduced to the minimum in the high-temperature preparation process to the maximum extent, and therefore high quality and excellent stability of soldering flux preparation are achieved.

The invention provides high-transparency ABS (acrylonitrile butadiene styrene) resin and a preparation method thereof.The high-transparency ABS resin is prepared from, by weight, 30-60 parts of ABS resin, 5-16 parts of methyl methacrylate monomer, 2-20 parts of modifier and 0.4-1 part of antioxidant. According to the method, a modifier system composed of hydrogenated rosin and derivatives thereof is mainly adopted to be blended with an ABS system, and the high-transparency ABS resin is prepared. And the ABS resin with excellent mechanical properties and high transparency can be obtained through twin-screw melt extrusion. The obtained ABS resin product has the characteristics of excellent mechanical property and high transparency, the preparation process is simple, the production cost is reduced, the application range of the product is wide, the problems of single raw material, limited resin transparency improvement, complex production process and high production cost of the existing transparent ABS resin are solved, and the method is suitable for industrial production. The market popularization and application of the high-end transparent ABS resin are promoted, and a new thought is provided for the development of the high-performance high-transparency ABS resin.

This invention provides a breathable plaster matrix for application and its preparation method, belonging to the field of polymeric dressings and plasters. The plaster matrix raw materials include terpene-modified rosin beeswax, hydrogenated rosin glyceryl ester, camellia oil, castor oil, stearic acid hydrophobically modified microcrystalline cellulose, zinc oxide, glycerin, coated citric acid, sodium bicarbonate, polyethylene glycol, camphor, and menthol. The terpene-modified rosin beeswax is prepared by reacting rosin and α-pinene in the presence of di-tert-butylperoxyisopropylbenzene, followed by the addition of white beeswax and maleic anhydride, and then the addition of trimethylolpropane. The stearic acid hydrophobically modified microcrystalline cellulose is microcrystalline cellulose coated with stearic acid. The coated citric acid is citric acid coated with hydrogenated castor oil. This invention's plaster matrix significantly improves skin breathability, application comfort, and biocompatibility while ensuring sufficient adhesion, formability, and drug loading capacity.

This invention discloses a gravure printing ink composition and its preparation method. The ink, by weight, comprises: 15-35 parts chlorinated polypropylene, 10-20 parts EVA-40W, 4-8 parts rosin-modified resin, 0.3-0.8 parts polyketide resin, 0.1-0.3 parts chlorinated ether resin MP45, 0.3-0.8 parts silica, 0.05-0.15 parts antistatic agent, 0.2-0.5 parts dispersant, 0.1-0.3 parts modified aluminum silicate AM660, 8-12 parts benzidine yellow, 6-10 parts fast red BHXL-T, 3-5 parts permanent orange yellow No. 13, 3-7 parts calcium powder, and 30-50 parts mixed solvent. During preparation, each resin is pre-dissolved separately, then mixed with pigments, additives, etc., and ground to a fineness ≤15μm. The ink of this invention has bright colors, good light resistance, excellent adhesion, antistatic properties, and printability, and is particularly suitable for gravure printing on polyolefin films.