388 results about "Naphthalanic oil" patented technology

The invention relates to a heat-conduction and electric-conduction hot melt glue and a preparation method thereof. The hot melt glue is high in heat-conduction and electric-conduction properties under a precondition that the elasticity and bonding strength of the original hot melt glue; the heat conduction coefficient reaches more than 2.0w/m.k. According to the hot melt glue, base materials comprise styrene thermoplastic elastomers (SEBS) and styrene-butadiene-styrene thermoplastic elastomers (ESBS) modified by epoxidation; a thickening agent comprises two of hydrogenated rosin, terpene resin and C9 petroleum resin; a filler is graphene solid powder with heat-conduction and electric-conduction functions; the addition amount of the base materials accounts for 30-40%; the addition amount of thickening resin accounts for 30-50%; the addition amount of the solid graphene powder accounts for 1.5-3.5%; the addition amount of the other accessory ingredient naphthenic oil accounts for 15-18%; the addition amount of an antioxidant accounts for 1-2%; the heat-conduction and electric-conduction hot melt glue is prepared from the components of the hot melt glue through a melt blending method.

The invention relates to a thermoplastic elastomer toughened epoxy resin, its preparation and its application, which belongs to the technical field of changing the physical index of epoxy resin. The raw materials possess the following weight proportion: 1) 100 parts of epoxy resin, 2) 15-40 parts of curing agent, 3) 2-20 parts of thermoplastic elastomer, 4) 5-100 parts of compatilizer and 0.5-5 parts of auxiliary agent; the compatilizer employs one or more selected from rosin and modified rosin, petroleum resin, coumarone indene resin, aromatic oil, naphthenic oil and solvent oil, the auxiliary agent employs one or more selected from calcium stearate, zine stearate and EBS. The method of the invention solves the compatibility of the thermoplastic elastomer and epoxy resin, and effectively improves the brittleness of epoxy resin, the property of a solidified substrate is capable of adjusting, and the manufacturability is capable of adjusting; the product of the invention has the advantages of environmental protection, good security and good economic applicability.

The invention provides a synthetic resin composition which consists of the following components in percentage by weight: 35 percent of component A and 65 percent of component B, wherein the component A is formed by polymerizing the following monomers in parts by weight: 20 parts of polyethylene, 20 parts of polypropylene, 15 parts of polyester, 8 parts of nylon, 10 parts of phthalic anhydride and 4 parts of pentaerythritol; and the component B is prepared from the following raw materials in parts by weight: 20 parts of pine tar, 8 parts of naphthenic oil, 10 parts of coumarone indene resin, 5 parts of 420 resin and 57 parts of rubber powder. In the resin composition, high molecular material waste can be effectively utilized and changed into things of value, and environmental pollution can be reduced. The invention also provides a preparation method and application of the resin composition.

This invention provides a rubber composition comprising: a softening agent including a hydrogenated naphthenic oil of which an extract quantity of dimethylsulfoxide (DMSO) by IP 346 method is controlled to less than 3% by weight and blending at least one selected from a group of (1) a styrene-butadiene copolymer rubber with a bond styrene quantity in molecular of from 10% by weight to 60% by weight and with a vinyl bond quantity of the butadiene part of from 10% to 80% and (2) a butadiene rubber with a cis bond quantity of at least 30%. The rubber composition is superior in fracture characteristics, loss characteristic and wear resistance, and it is applicable to various rubber products, a pneumatic tire and, in particular, a tire tread.

The invention relates to an epdm rubber waterproof coating and a preparation method thereof. The total weight portions of dry raw material component of the waterproof coating are: epdm rubber 5-7, chlorinated polyethylene 10-15, reclaimed rubber 20-25, coumarone resin 2-3, naphthenic oil 5-10, carbon black 5-8, zinc oxide 0.5-0.7, stearic acid 0.1-0.3, sulfur 0.4-0.6, accelerator 0.5-0.9 and antioxidant 1-3. The waterproof coating adopts epdm rubber, reclaimed rubber and chlorinated polyethylene as film forming main bodies and also various modified promoter and fillings, which results in that the waterproof coating not only has excellent waterproof, ageing and cold resistance, but also has the advantages of convenient construction and low cost, and the components and construction thereof meet the requirements of national environmental standards. The invention has simple preparation process steps, is convenient to be widely industrially produced, and the store property and life service of the waterproof coating obtained is greatly prolonged. The waterproof coating can be widely applied to the waterproof construction in building, engineering, vertical plane and various waterproof datum planes.

The invention provides a stripping resistant self-adhered polymer modified asphalt membrane at low temperature and a preparation method thereof. The modified asphalt membrane comprises a surface material, a modified asphalt layer and an isolating membrane. The thickness of the modified asphalt layer is 1.5mm. The modified asphalt layer is prepared from the following raw material components: petroleum asphalt, naphthenic oil, thermoplastic styrene-butadiene rubber, styrene-isoprene-styrene, styrene-butadiene rubber powder, coumarone resin, C5 hydrocarbon resin, terpene resin, an ultraviolet light absorber, an antioxidant, a silane coupling agent and light calcium carbonate. The stripping resistant self-adhered polymer modified asphalt membrane provided by the invention is good in stripping resistance at low temperature, good in holding power at low temperature, and the self-adhered construction at low temperature is realized.

The present invention relates to a kind of asphalt road cold repairing material. It is prepared with ehavy oil, C5 or C9 petroleum resin, C1-C10 solvent oil, styrene-butadiene rubber, diesel oil or kerosene or gasoline, thermoplastic styrene-butadiene rubber, naphthenic oil, RC-10 mineral oil and road petroleum asphalt. The preparation process includes preparing prepolymer A with heavy oil and petroleum resin; preparing prepolymer B with solvent oil and styrene-butadiene rubber; preparing prepolymer C with diesel oil or kerosene or gasoline, thermoplastic styrene-butadiene rubber and naphthenic oil; preparing cold repairing asphalt additive with prepolymer A, prepolymer B, prepolymer C and RC-10 mineral oil; and adding road petroleum asphalt.

An elastomeric compositions having improved impermeability is disclosed. The cured elastomeric composition may comprise at least one C₄-C₇ monoolefin elastomer, a hydrocarbon polymer additive, and a clay. In some embodiments, the cured elastomeric composition has a permeation coefficient at 40° C. of 90 cc*mm/(m²-day) or less. In some embodiments, the elastomeric composition is substantially free of naphthenic oil.

The invention discloses a blending-process method for producing environment-friendly rubber oil. The method provided by the invention comprises the following steps: 1) performing solvent extraction on reduced-pressure residual oil to obtain deasphalted oil, wherein a solvent used for extraction is propane; the volume ratio of the solvent to the reduced-pressure residual oil is (6-8):1; and extraction conditions are tower-top temperature between 70 and 91 DEG C, tower-bottom temperature between 57 and 80 DEG C and pressure between 3.8 and 7.0 MPa; 2) performing solvent extraction on the deasphalted oil obtained in a step 1) to obtain heavy deasphalted oil, wherein the solvent used for extraction is propane; the volume ratio of the solvent to the deasphalted oil is (6-8):1; and the extraction conditions are tower-top temperature between 60and 80 DEG C, tower-bottom temperature between 50 and 70 DEG C and pressure between 2.8 and 3.9 MPa; and 3) mixing the heavy deasphalted oil obtained in a step 2) with naphthenic oil at a temperature between 70 and 90 DEG C for 30 to 120 minutes to obtain the environment-friendly rubber oil, wherein the mass ratio of the heavy deasphalted oil to the naphthenic oil is (0.3-0.7):(0.7-0.3). The environment-friendly rubber oil has the advantage of meeting the requirements of EU 2005/69/EC environment-protecting directives, along with aromatic-carbon rate between 10 and 20 percent, PCA content of less than 3 percent, high aromatic hydrocarbon content, environment-protecting property, no toxicity and no carcinogenic effects. The environment-friendly rubber oil can be used as a substitute for the prior aromatic oil, and has significant economic value.

The invention discloses a septic tank special material with good processing fluidity. The septic tank special material is prepared from the following components in parts by weight: 100 parts of HDPE (high-density polyethylene); 5 to 20 parts of calcium carbonate; 1 to 10 parts of PP (propene polymer); 1 to 5 parts of naphthenic oil; 0.5 to 2 parts of zinc stearate. The invention also discloses a preparation method of the septic tank special material. The preparation method comprises the following steps: S1, mixing the HDPT, the calcium carbonate, the PP, the naphthenic oil, the zinc stearate and the SEBS, softening and fusing; S2, smashing an anti-bio agent and spraying on LLDPE (linear low density polyethylene) flux, and cooling to room temperature, so as to obtain an anti-bio microcapsule; S3, adding the anti-bio capsule obtained in S2 into the fusant of S1, and performing injection molding.

The invention discloses a low-temperature hot melt adhesive which is prepared from the following raw materials in percentage by mass: 10-40% of styrene-isoprene-styrene block copolymer (SIS), 10-30% of a tackifier, 5-18% of nitrile-butadiene rubber, 10-40% of polyethylene wax, 0.6-0.1% of an antioxidant, 10-30% of naphthenic oil and 20-30% of resin, wherein the tackifier is rosin resin or petroleum resin; the nitrile-butadiene rubber is powder nitrile-butadiene rubber with acrylonitrile content of 32-35%; the naphthenic oil is KN4010 naphthenic oil; the antioxidant is one or more of an antioxidant B225, an antioxidant 1010, an antioxidant 168, and an antioxidant DLTP, and has outstanding processing stability and long-term protective effect on polyolefin; the polyethylene wax is of an AC8 level, and shows very strong external lubricating property due to an irregular structure and low-viscosity homopolymer. The hot melt adhesive disclosed by the invention has viscosity of less than or equal to 1.5Pa.s at 150 DEG C, and the viscosity fluctuates little under a temperature changing condition, is relatively stable, and is more excellent at -10 DEG C.

The invention relates to a stereoscopic colorful auto-bonded macromolecular waterproof roll. The stereoscopic colorful auto-bonded macromolecular waterproof roll sequentially comprises a membrane layer, a first auto-bonded layer, a core layer, a second auto-bonded layer and a colorful mineral grain layer. The core layer is prepared by 100 parts of polyvinyl chloride resin, 15-25 parts of polyethylene terephthalate-1, 4-cyclohexane dimethanol ester, 10-20 parts of organic fibers and 3-5 parts of ABS high-adhesive powder by weight. Each auto-bonded layer is prepared by 100 parts of modified asphalt, 30-40 parts of naphthenic oil, 10-20 parts of butadiene styrene rubber, 25-35 parts of styrene thermoplastic elastomers, 20-30 parts of talcum powder, 1-2 parts of antioxidant and 3-5 parts of ultraviolet light absorber by weight.

The invention relates to a high-self-adhesive waterproof roll material of SBS (Styrene-Butadiene-Styrene) modified asphalt and a production process thereof. The waterproof roll material comprises tire fabric, an oil-lubricated coating layer, a separating layer and a filming layer, wherein the oil-lubricated coating layer is prepared from the following materials in percentage by weight: 35-40 percent of alkyl asphalt, 10-13 percent of SBS binder, 3-5 percent of naphthenic oil, 5-13 percent of coumarone resin, 10-30 percent of sub-spherical silica micro powder and 10-29 percent of loess powder, wherein the sub-spherical silica micro powder and the loess powder are together used as a compound filler, and the addition of the two materials is 39-42 percent of the total material weight of the oil-lubricated coating layer. By adopting the sub-spherical silica micro powder and the loess powder as the compound filler, the invention can obviously improve the tensile strength and the elongation of the roll material, not only takes the effect of improving the adhesion, but also plays a role of resisting corrosion and radiation.

The invention discloses an environment-friendly odorless prefabricated plastic runway coiled material. The coiled material is composed of the following components in parts by weight: 5 to 20 parts ofthermoplastic polyurethane, 0 to 10 parts of ethylene-propylene-diene monomer, 5 to 20 parts of a styrene thermoplastic elastomer, 0 to 5 parts of polypropylene, 20 to 40 parts of calcium carbonate, 25 to 30 parts of naphthenic oil, 1 to 2 parts of an anti-aging agent, 1 to 2 parts of an antioxidant, 1 to 3 parts of an anti-ultraviolet absorbent and 4 to 7 parts of a pigment. The invention furtherdiscloses a preparation method of the environment-friendly odorless prefabricated plastic runway coiled material. Compared with the traditional prefabricated runway coiled material, the prefabricatedrunway coiled material has the advantages of being low in production investment cost, simple in process, free of vulcanization, environmentally friendly, odorless, excellent in physical and chemicalperformance and high in cost performance, and the performance meets the requirements of the new national standard GB36246-2018.