121 results about "Naphthalanic oil" patented technology

The invention discloses special mute cotton for tires, which comprises a mute layer and a back adhesive tape, and the back adhesive tape is prepared from the following substances in parts by mass: 80-100 parts of styrene-butadiene-styrene block copolymer, 50-60 parts of tackifier, 20-30 parts of naphthenic oil, 5-15 parts of adsorbent, 1-2 parts of antioxidant 1520 and 1-2 parts of cross-linking agent. The prepared mute cotton does not need laser treatment and polishing, can effectively absorb a release agent on the inner wall of a tire, the bonding effect can reach cohesive failure of a self-adhesive layer, revolutionary change is achieved, tire agents, tire stores and even vehicle owners can operate the mute cotton by themselves, equipment assistance is not needed, construction is simple, cost is low, and large-scale popularization can be achieved.

The invention discloses nano-composite high-viscosity and high-stability modified asphalt and a preparation method thereof, and belongs to the technical field of road engineering materials. The modified asphalt is prepared from the following raw materials in parts by weight: 100 parts of matrix asphalt, 3 to 10 parts of star-shaped SBS (Styrene Butadiene Styrene), 5 to 25 parts of waste tire rubber powder, 2 to 6 parts of C5 / C9 petroleum resin, 2 to 8 parts of naphthenic oil, 0.1 to 0.5 part of sulfur, 1 to 3 parts of organic montmorillonite, and 0.5 to 2 parts of optional maleic anhydride grafted polypropylene and / or 0.1 to 0.5 part of silane coupling agent. The core of the preparation method is that through a three-stage process of swelling and nano dispersion, development and interface reaction and cross-linking stabilization, the technical problems of poor compatibility and easy segregation of an SBS / rubber powder composite system are fundamentally solved by utilizing the physical barrier effect of a nano sheet layer and the synergistic effect of vulcanization / interface chemical bonding. The obtained product has ultrahigh viscosity (dynamic viscosity gt at 60 DEG C, 80000 Pa.s), excellent storage stability (segregation error 1t at 48 hours, 2.0 DEG C) and excellent aging resistance, and the comprehensive performance of the product is far better than that of the prior art.

The invention discloses a buton rock asphalt micro-powder composite waterproof material and a preparation method thereof, and belongs to the technical field of building waterproof materials. Wherein the waterproof roll coating material is prepared from the following raw materials: matrix asphalt, buton rock asphalt micro powder, an SBS modifier, naphthenic oil, polypropylene, talcum powder and nano titanium dioxide or boron nitride nanosheets; the waterproof coating is prepared from the following raw materials in parts by weight: matrix asphalt, buton rock asphalt micro powder, an SBS modifier, bentonite paste, fluorocarbon emulsion, water and nano titanium dioxide or boron nitride nanosheets, the preparation method comprises the following steps: crushing blocky buton rock asphalt into powder of which the particle size is less than or equal to 75 microns, performing microwave activation in a microwave radiation device, adding a silane coupling agent, mixing, and drying to obtain the buton rock asphalt micro powder. The Buton rock asphalt micro powder is added to improve the dispersity of the Buton rock asphalt in the asphalt, so that the Buton rock asphalt is suitable for preparing waterproof coiled materials and self-healing waterproof coatings with high weather resistance and puncture resistance.

The invention discloses an expandable rubber cable pipe plugging device and a preparation method thereof.The expandable rubber cable pipe plugging device is prepared from, by weight, 100 parts of EPDM rubber, 0.5-1.0 part of graphene, 0.2 part of silane coupling agent KH550, 10 parts of sodium carboxymethyl cellulose, 15 parts of sodium acrylate-acrylamide copolymer, 5 parts of polyvinyl alcohol, 8 parts of bentonite, 5 parts of expandable graphite and 3 parts of 4, 4 '-oxybisbenzenesulfonyl hydrazide foaming agent. The anti-aging coating is prepared from the following components in parts by weight: 1 part of zinc stearate, 2.5 parts of peroxide DCP, 2 parts of assistant crosslinker TAIC, 5 parts of zinc oxide, 1 part of stearic acid, 30 parts of fumed silica, 5 parts of modified nano montmorillonite, 20 parts of light calcium carbonate, 1.5 parts of anti-aging agent TMQ, 1 part of anti-aging agent 6PPD, 0.5 part of hindered phenol antioxidant 1076, 2 parts of UV absorbent UV-3292, 8 parts of naphthenic oil, 10 parts of microcapsules and 0.5 part of boron trifluoride diethyl etherate complex catalyst.

The invention provides an SBS asphalt modifier and a preparation method thereof, self-adhesive modified asphalt and a preparation method thereof, and a self-adhesive modified asphalt waterproof coiled material, and belongs to the technical field of waterproof materials. The preparation method of the SBS asphalt modifier comprises the following steps: adding SBS into naphthenic oil, heating to a dissolution temperature, and stirring until the SBS is completely dissolved to obtain an SBS solution; adding a polymerizable monomer containing C10-C30 linear alkyl into the SBS solution, and uniformly mixing to obtain a mixed solution; adding a free radical polymerization initiator into the mixed solution, and carrying out a free radical grafting reaction in an inert atmosphere; and adding a terminating agent to terminate the reaction to obtain the SBS asphalt modifier.

The invention relates to the technical field of polymer composite materials. The invention provides a TPE automobile foot mat capable of continuously and autonomously releasing negative air ions and high in wear resistance. The TPE automobile foot mat comprises the following components in parts by weight: 30-40 parts of SEBS, 10-20 parts of PP, 20-30 parts of naphthenic oil, 10-15 parts of nano talcum powder and 4-8 parts of negative ion composite functional powder. The invention further provides a preparation method of the TPE automobile foot mat capable of continuously and autonomously releasing the negative air ions and high in wear resistance. According to the TPE automobile foot mat capable of continuously and autonomously releasing the air negative ions and high in wear resistance, through the synergistic effect of the added negative ion compound functional additive, the high-concentration air negative ions can be autonomously released on the surface of the TPE foot mat material, and the release duration cannot be rapidly attenuated due to instability of the negative ions; by adding the negative ion ceramic powder and the nanoscale talcum powder, under the action of the SEBS-MAH compatilizer, the interface compatibility is improved, and the wear resistance of the foot pad is improved.

The invention discloses an alkyl phenolic resin for improving the bonding performance of a GLR rubber adhesive and a preparation method thereof, and relates to the technical field of phenolic resin preparation, the alkyl phenolic resin comprises the following raw materials by weight: 60-70 parts of modified resin, 15-20 parts of modified EPDM, 2-4 parts of carbon fiber, 5-7 parts of naphthenic oil, and 0.8-1.0 part of an anti-aging agent. The modified resin is obtained by carrying out reaction grafting on methyl 3-dodecylthio-propionate, 5-amino-2-hydroxycycloheptyl-2, 4, 6-triene-1-ketone, punicic acid and the like, and then blending with alkyl phenolic resin. The modified EPDM is obtained by grafting a functional monomer and EPDM, wherein the functional monomer contains imidazole, amino, piperazine, phosphamide, hydroxyl and terminal carbon-carbon double bonds. The prepared alkyl phenolic resin has good corrosion resistance, toughness, antibacterial property, adhesion, oil resistance and flame retardance, and is worthy of popularization and application.

The invention relates to the technical field of furniture protective films, in particular to a self-adhesive furniture skin-touch protective film which sequentially comprises an organic silicon release film from bottom to top, the organic silicon release film comprises a base material and a coating, the base material is a transparent polyethylene glycol terephthalate film with the thickness of 80-120 micrometers, and the coating is a transparent polyethylene glycol terephthalate film with the thickness of 80-120 micrometers. The coating is an organic silicon release agent coated on the base material, and the coating weight of the organic silicon release agent is 0.8-1.2 g / m; the pressure-sensitive adhesive layer comprises 60 to 70 weight percent of a compound system of a saturated hydrocarbon block copolymer and a hydrogenated styrene isoprene styrene block copolymer; 25 to 35 wt% of hydrogenated C9 petroleum resin; 3 to 5 weight percent of temperature-sensitive microcapsules; and 2 to 5 wt% of naphthenic oil. According to the invention, through the cooperation of innovative multi-layer structures, the product can maintain excellent comprehensive performance under different parameter configurations, and multiple requirements of the furniture protective film on easy construction, high transparency, strong protection, good touch feeling and aging resistance are met.

The invention discloses a durable bio-based asphalt waterproof coiled material and a preparation method thereof, and relates to the field of waterproof coiled materials. The composite material is formed by coating a base cloth with modified bio-based asphalt, the modified bio-based asphalt is lignin-modified bio-based asphalt, the bio-based asphalt is filled with oil-immersed wood fibers, and the oil-immersed wood fibers are formed by impregnating pine fibers and nano naphthenic oil. The nano naphthenic oil is prepared by mixing nano zinc oxide and naphthenic oil; through triple synergy of lignin modification, wood fiber reinforced oil locking and nano zinc oxide slow-release corrosion prevention, the purpose that the environment-friendly property and the high-performance index of the bio-based material are achieved at the same time is achieved.

The invention relates to the technical field of tire rubber manufacturing, and discloses a low-odor low-VOC sidewall rubber composition, a mixing method thereof and a tire, a brominated copolymer (BIMS) of isobutene and p-methylstyrene is adopted, and the use of an amine anti-aging agent is canceled; according to the invention, tetrabenzylthiuram disulfide (TBzTD) is adopted as a main accelerant, and a traditional sulfenamide accelerant is replaced; the softening and reinforcing resin is adopted to replace an oil softener, so that small molecular substances in aromatic hydrocarbon oil or naphthenic oil are prevented from being separated out, and phenol possibly generated by using phenolic resin is avoided; carbon black is matched with a small amount of white carbon black, so that odor molecules are effectively adsorbed; and the steps of lifting an upper top peg and opening a charging door for exhausting are added in the plastifying and mixing sections. The synergistic effect of the optimized formula raw materials effectively avoids the generation of odor molecules, the escape of a large number of VOC molecules is improved, and the exhaust step further reduces the residual quantity of the VOC molecules in the final mixed rubber, so that the odor grade of the tire is improved.

The invention discloses a water-slowing swelling rubber material, a preparation method, a water stop strip and application, the rubber material comprises the following raw materials by weight: 9-13 parts of natural rubber, 18-26 parts of butyl rubber, 36-50 parts of bentonite, 1-3 parts of titanium dioxide, 18-26 parts of naphthenic oil, 1-3 parts of an accelerator, and 1-2 parts of a vulcanizing agent. According to the water-slowing-expansion rubber material disclosed by the invention, the contact time of bentonite particles and water is effectively delayed, so that the expansion rate of the rubber material is effectively delayed, and the problem of waterproof failure caused by water loss cracking or pulverization of the rubber material is avoided.

The invention discloses cold-resistant non-slip rubber and a preparation method thereof. The rubber comprises the following components in parts by weight: 80-110 parts of diene rubber; 5-8 parts by weight of naphthenic oil; 35-45 parts by weight of white carbon black; 5-6 parts by weight of a silane coupling agent; 3-4 parts by weight of polyethylene glycol, wherein the molecular weight range of the polyethylene glycol is 3500-4400; and a vulcanization system. The preparation method comprises the steps of high-temperature first-stage mixing, low-temperature second-stage mixing and segmented vulcanization forming. Through the synergistic effect of the specific components, the low-temperature toughness and the wet land non-slip performance of the rubber are remarkably improved.

The application belongs to the technical field of rubber, and particularly relates to an environment-friendly weather-resistant high-wear-resistance handrail belt rubber material and a preparation method thereof. The rubber material comprises, in terms of weight parts, 80-95 parts of styrene-butadiene rubber, 5-20 parts of butadiene rubber, 70-90 parts of carbon black, 6-9 parts of active agent, 3-5 parts of environment-friendly paraffin oil or naphthenic oil, 4-7 parts of anti-aging agent composition, 1-2 parts of accelerator and 1.5-2.5 parts of vulcanizing agent. The anti-aging agent composition is a combined system of p-phenylenediamine anti-aging agent and quinoline anti-aging agent. Through the synergistic effect of the rubber combined system, the gradation optimization of the reinforcing system and the synergistic effect of the anti-aging agent composition, the application simultaneously realizes high wear resistance, excellent weather resistance (ozone and thermal oxygen aging resistance), low-temperature toughness at-45 DEG C and environment-friendly performance of PAHs <= 10 ppm, and the comprehensive performance is significantly better than that of the existing handrail belt material, and the eight-year service life requirement of public places can be met.

The invention relates to a composite waterproof high-adaptability asphalt-based waterproof coiled material and a preparation method, the coiled material is composed of a self-adhesive glue material and a structural film / base, the self-adhesive glue material is a modified asphalt glue material, and the self-adhesive glue material is composed of 100 parts of national standard asphalt, 10-40 parts of composite modified rubber, 5-15 parts of naphthenic oil and 5-10 parts of tackifying resin. 30 to 45 parts of talcum powder, 0.5 to 1.5 parts of an antioxidant and 0.5 to 1.5 parts of a heat stabilizer. The composite modified rubber is prepared from the following components in parts by weight: 20-25 parts of styrene butadiene rubber, 8-20 parts of SBS rubber, 20-40 parts of naphthenic oil, 5-10 parts of a liquid tackifier, 0.5-1.2 parts of a separant and 5-10 parts of filler. The asphalt-based waterproof coiled material is formed by compounding the self-adhesive material, a macromolecular structure film and a polyester matrix, the waterproof coiled material can achieve a good composite bonding effect with a macromolecular coiled material, and it can be guaranteed that the two materials are well combined when used in a composite mode.

This application provides a low-temperature matrix asphalt modifier and its preparation method, belonging to the field of road materials. The low-temperature matrix asphalt modifier is prepared from raw materials comprising the following components in parts by weight: SBR latex: 18-25 parts; waste rubber powder: 22-30 parts; base plasticizing resin: 18-22 parts; compatibilizer: 25-32 parts; crosslinking agent: 2-3 parts; stabilizer: 1.5-3.5 parts; high-adhesion resin: 5-8 parts; anti-aging agent: 0.05-0.15 parts; wherein the base plasticizing resin is a C5 / C9 copolymer petroleum resin with a softening point... 90~110℃; waste rubber powder is modified with vinyl polysiloxane, with a particle size of 80~120 mesh and a grafting rate of ≥85%; the compatibilizer is a compound of naphthenic oil and aromatic oil; the high-adhesion resin is C9 petroleum resin with a softening point of 110~130℃; the anti-aging agent has a melting point of 110~115℃ and excellent compatibility, which can significantly reduce the mixing temperature of asphalt mixtures, greatly reduce energy consumption during construction, and enable construction in environments above -10℃.

The invention discloses special mute cotton for tires, which comprises a mute layer and a back adhesive tape, and the back adhesive tape is prepared from the following substances in parts by mass: 80-100 parts of styrene-butadiene-styrene block copolymer, 50-60 parts of tackifier, 20-30 parts of naphthenic oil, 5-15 parts of adsorbent, 1-2 parts of antioxidant 1520 and 1-2 parts of cross-linking agent. The prepared mute cotton does not need laser treatment and polishing, can effectively absorb a release agent on the inner wall of a tire, the bonding effect can reach cohesive failure of a self-adhesive layer, revolutionary change is achieved, tire agents, tire stores and even vehicle owners can operate the mute cotton by themselves, equipment assistance is not needed, construction is simple, cost is low, and large-scale popularization can be achieved.

The invention relates to the technical field of wear-resistant molded part materials, and particularly discloses an NR wear-resistant molded part material for a poultry depilator and a preparation method and application of the NR wear-resistant molded part material. The NR wear-resistant molded part material provided by the invention comprises the following components: 100 parts of raw rubber, 40-60 parts of composite filler, 5-15 parts of naphthenic oil, 4-7 parts of zinc oxide, 0.5-1 part of stearic acid, 3-9 parts of an anti-aging agent, 1-3 parts of sulfur and 1-3 parts of an accelerant, the raw rubber is formed by mixing 60-80 parts of NR natural rubber and SBR 1502 raw rubber in a weight ratio of (3-4): (1-2); the composite filler is prepared from high-wear-resistance furnace black N330 mechanically activated by silane, polyisobutene and naphthenic oil in a weight ratio of 100: (1-3): (3-10). The NR wear-resistant molded part material prepared by the invention has relatively high tensile strength, and the impact resistance and wear resistance of the material are excellent.

The invention discloses a method for improving dispersity and thermal stability of insoluble sulfur, and belongs to the technical field of sulfur processing and production. According to the technical scheme, the preparation method comprises the following steps: 1) mixing naphthenic oil, a dispersant, a stabilizer and a compatibilizer to obtain a mixed material; the dispersing agent is one or more of dithiobenzothiazole, zinc stearate, dioctyl phthalate, polyethylene glycol monolaurate, oleyl alcohol and fatty alcohol-polyoxyethylene ether; the dispersing agent is one or more of dithiobenzothiazole, zinc stearate, dioctyl phthalate, polyethylene glycol monolaurate, oleyl alcohol and fatty alcohol-polyoxyethylene ether; the compatibilizer is one or more of ethylene propylene diene monomer, EVA (Ethylene Vinyl Acetate) resin and liquid butadiene rubber; and 2) mixing the mixed material with an oil-free insoluble sulfur semi-finished product, and carrying out oil filling treatment to obtain the insoluble sulfur. The insoluble sulfur prepared by the method provided by the invention not only has good dispersibility and thermal stability, but also is simple and feasible in process flow, and is beneficial to improving the production efficiency.

The invention provides a low-temperature water-mist-resistant hot-melt pressure-sensitive label adhesive as well as a preparation method and application thereof, and relates to the technical field of hot-melt pressure-sensitive adhesives, the low-temperature water-mist-resistant hot-melt pressure-sensitive label adhesive is prepared from polyisobutene, an SSBR / SIS thermoplastic elastomer, hydrogenated petroleum resin, terpene-phenol resin, rosin resin, naphthenic oil, polyethylene wax and an antioxidant according to a specific ratio. The low-temperature water-mist-resistant hot-melt pressure-sensitive label adhesive prepared by the invention has excellent low-temperature labeling performance and excellent water mist resistance, solves the technical problems that labels in the fields of cold chains and the like are easy to embrittle, warp and fall off in a low-temperature and high-humidity environment, and keeps good initial adhesion, stripping force and cohesive force balance.

The application discloses an anti-rutting dry-process SBS asphalt mixture and a preparation method thereof, and belongs to the technical field of asphalt mixture engineering materials. The anti-rutting dry-process SBS asphalt mixture comprises 80-90 parts of aggregate, 6-8 parts of dry-process SBS modified asphalt, 1-2 parts of modifier and 5-6 parts of mineral powder. The modifier comprises 80-85% rock asphalt, 3-5% SiC particles, 5-7% quartz sand and 6-8% silane coupling agent. The dry-process SBS modified asphalt comprises 90-96% asphalt, 3-5% dry-process SBS particles, 0.3-0.4% sulfur, 0.5-1% zinc stearate, 0.3-0.5% antioxidant and 0.8-1% naphthenic oil. The application further discloses a preparation method of the anti-rutting dry-process SBS asphalt mixture. The anti-rutting dry-process SBS asphalt mixture and the preparation method thereof can solve the problem of poor anti-rutting performance of the existing asphalt mixture and improve the low-temperature stability of the asphalt mixture.

Compositions, particularly pressure sensitive adhesive compositions, such as hot melt pressure sensitive adhesive compositions, and laminates using the same are disclosed. Specifically, discussed herein is a hot melt pressure sensitive adhesive composition comprising: a polyol ester; a styrene-isoprene-styrene block copolymer; a binder; a photoinitiator; and naphthenic oil; the present invention relates to a composition, or a composition, comprising: a styrene-isoprene-styrene block copolymer; a polybutylene polymer; a photoinitiator; and a tackifier; and related laminates and label constructions thereof.

The application discloses a laminated hot melt adhesive applied to a soft package battery and a preparation method thereof, and relates to the field of hot melt adhesives. The laminated hot melt adhesive comprises the following components in parts by weight: SEBS rubber 1.5-10.5 parts, SIS rubber 15.0-35.0 parts, naphthenic oil 8.0-16.0 parts, hydrogenated petroleum resin 15.0-30.0 parts, pure monomer resin 3.0-10.0 parts, terpene resin 10.0-25.0 parts, polyisobutylene 8.0-16.0 parts, cold-resistant toughening agent 8.0-15.0 parts, low-temperature-resistant tackifying resin 5.0-12.0 parts, and antioxidant 0.6-2.0 parts. The laminated hot melt adhesive effectively solves the problems that conventional hot melt adhesives are prone to peeling apart at high temperature 60 DEG C, have poor adhesion, low shear strength and small peeling force, and solves the problem that conventional hot melt adhesives become brittle at low temperature-40 DEG C and have basically no peeling force.

This invention belongs to the field of rubber, specifically relating to a rubber, its preparation method, and its application. The invention discloses a rubber comprising, by weight, the following raw material components: 100 parts EPDM; 5-10 parts zinc oxide; 0.5-1.5 parts stearic acid; 7-8 parts 40% dicumyl peroxide; 0.2-0.4 parts tetramethylthiuram disulfide; 0.5-0.8 parts 80% sulfur; 35-40 parts carbon black; 25-27 parts silica; 0.4-0.6 parts silane coupling agent; 14-20 parts naphthenic oil; 0.6-1 part paraffin wax; and 1-3 parts single-walled carbon nanotubes; wherein the weight of EPDM is not less than 50% of the total weight of the rubber. The beneficial effect of this invention is that it provides a rubber whose volume resistivity and other properties simultaneously meet the requirements of the T / CEC China Electricity Council standard "Technical Conditions and Test Methods for Electric Power Fittings Rubber and Rubber Products".

The present invention provides a pressure-sensitive adhesive non-curing rubber asphalt waterproof coating that can be constructed at room temperature. The formula includes 100 parts by mass of petroleum asphalt, 20-30 parts by mass of rock asphalt, 20-40 parts by mass of mixed rubber modifier, 10-20 parts by mass of tackifying resin, 10-15 parts by mass of polyisobutylene, 1-2 parts by mass of thickener, 20-30 parts by mass of rubber softening oil, 10-15 parts by mass of naphthenic oil, 20-30 parts by mass of filler, 2-5 parts by mass of flame retardant, 1-2 parts by mass of antioxidant, and 1-2 parts by mass of high-temperature modifier. It can realize the cold construction process of non-curing rubber asphalt, and the coating can be applied by brushing after stirring to a flowable state without heating, thereby avoiding the common cold construction non-curing material from being thoroughly cured after construction, forming a whole with the base surface and adhesive material, and being unable to realize the characteristics of non-curing coating never curing, high creep property, strong permeability and strong base deformation adaptability.

The present application relates to a treadmill noise reduction mute method, a buffer pad body is arranged between a running plate and a frame, the buffer pad body is composed of a buffer pad base body with an axial cavity inside and a shock absorbing filler filled in the axial cavity of the buffer pad base body, the buffer pad base body is made of a low noise TPS elastomer composite material, the low noise TPS elastomer composite material includes the following weight parts 30-50 parts of butenyl-polydiene-styrene block copolymer, 15-25 parts of polypropylene, 30-50 parts of naphthenic oil, 5-15 parts of nano filler, 3-8 parts of plasticizer, the low noise TPS elastomer composite material has a uniform closed cell microcellular structure with a pore size of 50-200 mu m inside. The buffer pad made of the material has excellent shock absorbing and noise reduction performance, and can effectively solve the problems of limited damping performance of traditional rubber materials and easy permanent deformation.

The invention discloses a hot melt adhesive for an adhesive tape and a preparation method of the hot melt adhesive, and relates to the technical field of hot melt adhesives. The hot melt adhesive for the adhesive tape is prepared from the following raw materials in parts by weight: 18 to 25 parts of modified styrene-isoprene-styrene block copolymer, 25 to 35 parts of naphthenic oil, 34 to 45 parts of modified hydrogenated petroleum resin, 0.3 to 0.8 part of composite antioxidant, 3 to 8 parts of nano calcium carbonate, 2 to 5 parts of ethylene-vinyl acetate copolymer, 3 to 6 parts of terpene resin and 1 to 3 parts of polyethylene wax. The hot melt adhesive for the adhesive tape is outstanding in environmental protection property, adopts low-volatile raw materials and recycles the solvent, and conforms to an environmental protection instruction; a matrix and a tackifier are optimized through a gradient modification technology, so that the polarity and the compatibility are improved, and the initial adhesion and the permanent adhesion are balanced; high and low temperature resistance is excellent, and adaptation to multiple scenes is achieved; the coating is convenient to process, easy to coat, free of sagging and caking problems, high in production efficiency and capable of meeting high-end requirements of multiple fields such as packaging and electronics.

The application discloses a high-strength high-toughness high-impact-absorption SEBS plastic foaming elastomer and a preparation method thereof, and relates to the technical field of plastic tracks. The components are as follows: 100 parts of hydrogenated styrene-ethylene / butylene-styrene copolymer; 100-150 parts of naphthenic oil; 0.5-1 part of 2,5-dimethyl-2,5-bis(tert-butyl peroxy) hexane; 1-2 parts of trimethylolpropane triacrylate; 30 parts of light calcium powder; 3-5 parts of physically expanded microspheres; 20-30 parts of POE; 0.5 parts of multi-element hindered phenolic antioxidant 1010; 0.3 parts of phosphite antioxidant 168; 0.5 parts of light stabilizer 2020; and 0.3 parts of ultraviolet absorber UV326. The gel content of the high-strength high-toughness high-impact-absorption SEBS plastic foaming elastomer prepared by the application is between 9% and 17.9%, and the SEBS plastic foaming elastomer has good impact absorption and toughness and excellent mechanical properties.

The present invention relates to the process of obtaining microcrystalline paraffin on an industrial scale by using a load comprising a mixture of such oil, with a higher paraffinic and aromatic content, high sulfur content and originating from the Middle East, with up to 35% by mass of more naphthenic oils, produced in the Stabroek block in Guyana by means of a conventional solvent route, without the use of the adsorption process.

The invention discloses a preparation method of high-temperature-resistant anti-aging butyl rubber, which comprises the following steps of: firstly, sequentially adding raw rubber and carbon black step by step at a relatively low-temperature banburying stage, coating the carbon black by virtue of a functional additive to avoid aggregation of the carbon black and reduce steric hindrance, then adding part of naphthenic oil, and uniformly mixing to obtain the high-temperature-resistant anti-aging butyl rubber. Stearic acid, zinc oxide, an anti-aging agent and the rest naphthenic oil are added, multi-stage dispersion internal mixing is achieved, and the rubber discharging temperature is strictly controlled to be smaller than or equal to 100 DEG C; adding an accelerant DM, p-quinone dioxime and manganese dioxide in a low-temperature open milling stage, and standing after thin-passing for multiple times, so as to obtain uniformly dispersed rubber compound; and finally vulcanizing and forming on a flat plate. According to the method, through a coupling process of low temperature, step-by-step oil feeding and functional additive pre-dispersion, the rubber with comprehensive performance of high temperature resistance and aging resistance is obtained, the problems that a polar vulcanizing agent is wrapped by naphthenic oil and is scorched in the early stage are avoided, and the rubber is obviously superior to a traditional one-step rubber compound; and meanwhile, a process window is wide and energy consumption is low.

The invention discloses a caulking paste for building deformation joints and a preparation method thereof, and the caulking paste comprises the following components in parts by weight: 10-20 parts of low-pressure polyisobutene, 15-25 parts of high-pressure polyisobutene, 8-15 parts of terpene resin, 5-12 parts of hydrogenated resin, 5-15 parts of naphthenic oil, 2-5 parts of titanium dioxide, 10-20 parts of rubber, 15-25 parts of barium sulfate and 1-3 parts of an anti-aging aid. According to the present invention, through the synergistic effect of the high-pressure polyisobutene and the low-pressure polyisobutene, the low-molecular-weight polyisobutene ensures the good infiltration of concrete, metal, glass and other substrates, and the high-molecular-weight component endows the product with the skeleton strength and the creep resistance; the terpene resin and the hydrogenated resin are matched for use, so that the aging resistance of the system is improved while the initial adhesive force is provided; the low-condensation-point naphthenic oil ensures that the caulking paste is still in a flexible state at the low temperature of-30 DEG C, and the embrittlement condition of the caulking paste is reduced; and by adding the rubber component, the elasticity and tensile deformation resistance of the material can be further improved.