11 results about "Diisodecyl phthalate" patented technology

The invention relates to the field of cable sheaths, and particularly discloses a migration-resistant cable sheath material and a preparation process thereof, and the cable sheath material comprises the following raw materials: PVC, a filler, a stabilizer, PE wax, a flame retardant, aluminum hydroxide, a polymer non-migration polyester plasticizer and stearic acid; wherein the macromolecular non-migration polyester plasticizer comprises di-iso-decylphthalate and a mica powder-adipic acid polyester composite plasticizer; the preparation method comprises the following steps: mixing the heavy calcium carbonate powder and the PVC powder, adding the stabilizer, the PE wax, the flame retardant, the aluminum hydroxide and the stearic acid, stirring, adding 1 / 2-2 / 3 of the total addition amount of the high-molecular non-migration polyester plasticizer, stirring, adding the rest of the non-migration high-molecular polyester plasticizer, refining the powder, extruding and granulating to obtain the migration-resistant cable sheath material. The cable sheath has the characteristics that the migration resistance of the plasticizer in the cable sheath is improved, and the durability of the cable sheath is improved.

The invention relates to the field of power transmission line galloping prevention, in particular to a damping composite material which is prepared by adopting a double-phase elastomer matrix and compound nano filler system, taking 100 parts of ethylene-propylene-diene rubber as a matrix, and matching 30-50 parts of hydroxyl-terminated polybutadiene, 40-65 parts of silane modified sepiolite, 10-20 parts of hydroxylated graphene, 6-15 parts of di-iso-decylphthalate and the like. Through a synthesis process, the damping composite material is made into the damping element, and the damping element is applied to a damper of the phase-to-phase spacer, so that the problems that damping of a traditional phase-to-phase spacer loses efficacy at low temperature in a cold region, and insulation and damping performance are difficult to consider are solved, and the damping element can still efficiently dissipate galloping energy at extremely low temperature; therefore, the anti-galloping performance and the operation safety of the power transmission line in the cold region are remarkably improved.

The dynamic fatigue and hysteresis performances of fiber reinforced rubber compounds are compared using different plasticizers. Polymer-based fiber reinforced rubber compounds including a non-linear functionalized fatty acid ester, preferably a trimellitate, and more preferably Tris (2-Ethylhexyl) Trimellitate (TOTM) are shown to demonstrate greatly improved dynamic fatigue and hysteretic performance as compared to reference fiber reinforced rubber compounds including conventional reference plasticizers such as Di-isodecyl phthalate (DIDP).

The invention provides a flame-retardant sealant and a preparation method thereof. The flame-retardant sealant comprises the following components in parts by weight: a silane modified polyether polymer, a plasticizer, a filler, fumed silica, a thixotropic agent, a moisture scavenger, a silane coupling agent and a curing agent, the plasticizer is selected from any one or a combination of at least two of diisodecyl phthalate, diisononyl phthalate, a polyether plasticizer and alkyl benzene sulfonate, and the filler comprises modified aluminum hydroxide. According to the flame-retardant sealant and the preparation method thereof, the specific components of the flame-retardant sealant are designed, and the flame-retardant sealant which has better flame retardance and better mechanical property, is relatively low in manufacturing cost and is more beneficial to large-scale commercial production can be prepared through the matching effect of all the components on the premise that a phosphorus flame retardant is not used.

The invention relates to the technical field of high polymer materials, in particular to a migration-resistant cable sheath material and a preparation process thereof, and the migration-resistant cable sheath material comprises the following raw materials in parts by weight: 50-70 parts of polyvinyl chloride powder, 10-20 parts of di-iso-decylphthalate, 5-15 parts of mica powder-adipic acid polyester, 3-8 parts of a flame retardant and 1-3 parts of an antioxidant. The preparation process is progressive layer by layer, the flame retardant is pretreated firstly, and the dispersity is optimized; a step-by-step adding process is adopted, the PVC powder is premixed with a part of the macromolecular non-transferable polyester plasticizer composite system, then the remaining components are mixed and blended, and it is guaranteed that the materials are uniformly dispersed; through raw material collaboration and process optimization, the migration resistance, the mechanical property and the flame retardant property of the material are remarkably improved, the material is adaptive to the application scene of a cable sheath, and reliable guarantee is provided for long-term safe and stable operation of a cable.

The present application relates to the field of cable sheaths, and specifically discloses a migration-resistant cable sheath material and a preparation process thereof. The cable sheath material comprises the following raw materials: PVC, filler, stabilizer, PE wax, flame retardant, aluminum hydroxide, a polymer non-migrating polyester plasticizer, and stearic acid; wherein the polymer non-migrating polyester plasticizer comprises diisodecyl phthalate and a mica powder-adipic acid polyester composite plasticizer; its preparation method comprises the following steps: mixing heavy calcium powder with PVC powder, adding stabilizer, PE wax, flame retardant, aluminum hydroxide and stearic acid, stirring, and then adding 1 / 2-2 / 3 of the total amount of the polymer non-migrating polyester plasticizer, stirring, and then adding the remaining non-migrating polymer polyester plasticizer, refining the powder and extruding and granulating to obtain the migration-resistant cable sheath material. The present application has the characteristics of improving the migration resistance of the plasticizer in the cable sheath and improving the durability of the cable sheath.

The invention relates to a formula for converting polyvinyl chloride plastisol by adopting a photo-crosslinking reaction. According to the formula, the polyvinyl chloride plastisol is obtained, and a polyvinyl chloride plastisol coating is formed on the surface of a base material through ultraviolet light crosslinking. The invention also relates to a method for carrying out photo-crosslinking on the plastisol. The method can be practically applied to production of advertising materials, plastic seals, wallpaper, artificial leather, inflatable castle and the like. The composition formula for obtaining the photo-crosslinking plastisol comprises the following three basic components: PVC (Polyvinyl Chloride) primary resin or PVC (Polyvinyl Chloride) amp; an AC copolymer or PVC (polyvinyl chloride) amp; a PVAC copolymer; a plasticizer mixture, i.e., a known phosphorus-containing plasticizer, i.e., di-iso-decylphthalate; and a photoinitiator, i.e., 2, 4, 6-trimethylbenzoyl-diphenylphosphine oxide, is disclosed.

The application discloses a high-curing-rate sealing glue for new energy vehicles and a preparation method thereof, and belongs to the technical field of adhesive preparation. The high-curing-rate sealing glue for new energy vehicles comprises components A and B. The preparation raw materials of the component A comprise a double-bond-containing polyurethane oligomer, glycerol, a magnetic sensing filler, diisodecyl phthalate, fumed silica and p-toluenesulfonyl isocyanate; and the preparation raw materials of the component B comprise an MDI type isocyanate prepolymer, a composite catalyst, heavy calcium carbonate and diisodecyl phthalate. The sealing glue has a long operable time, a fast curing rate, excellent adhesion and moisture and heat resistance.

The invention discloses an oil-resistant and anti-aging cable sheath composition, a preparation method and a photovoltaic cable. Raw materials of the rubber material comprise the following components in parts by mass: 60-70 parts of ethylene propylene diene monomer, 4-6 parts of an antioxidant, 0.5-2 parts of sulfur, 0.8-1.5 parts of an accelerant CZ, 6-8 parts of a di-iso-decylphthalate plasticizer, 12-14 parts of modified nano calcium carbonate, 1-2 parts of alkyl naphthalene sulfonate and 1-2 parts of a perfluoropolyether-based surfactant, wherein the modified nano calcium carbonate is modified by a thiol-based silane coupling agent; the oil-stain-resistant and anti-aging cable sheath composition prepared from the raw materials has strong oil-stain-resistant and anti-aging capabilities.

The invention relates to the technical field of elastic injection molding materials, and particularly discloses a low-odor cold-resistant wear-resistant elastic injection molding material and a preparation method thereof. A preparation method of a low-odor cold-resistant wear-resistant elastic injection molding material comprises the following steps: 1) mixing PVC resin powder, di-iso-decylphthalate, a stabilizer, calcium powder and a lubricant to obtain a mixture; 2) taking carrageenan, vegetable protein and water, uniformly stirring, adding dimethyl sulfoxide and urea, continuously uniformly stirring, drying, calcining, and grinding to obtain a front material; 3) adding a tetrabutylammonium hydroxide solution and carboxymethyl cellulose into a container, uniformly mixing, adding the preposed material and calcium chloride, then scraping a film on a film scraping plate, and then putting into water for shaping and washing to obtain a film material; 4) taking the film material, hot-pressing, drying and crushing to obtain a layered composite material, and 5) mixing and extruding the mixture and the layered composite material to obtain the low-odor cold-resistant wear-resistant elastic injection molding material. The low-odor cold-resistant wear-resistant elastic injection molding material has the advantages of high elasticity, high toughness and low shrinkage rate.

The invention relates to the technical field of electric wires and cables, in particular to a rubber sheath material for an oil platform drilling cable and a preparation method of the rubber sheath material. The utilization rate of the raw materials on the basis of molecular structure characteristics in the preparation process is considered, the preparation steps are adjusted from the angle of cost loss, the angle of processing technology, potential interference, technical difficulties and the like, and the performance parameters of the prepared rubber sheath material are obtained through scientific and visual tests and data comparison. According to the present invention, the effectiveness and the innovation of the formula, the mass ratio and the preparation method are verified, the more effective solution is provided for the use of the cable in the petroleum drilling platform, the cable loss is reduced to a certain extent, the service life is prolonged, and the market value and the promotion prospect are large.