316 results about "Phosphite ester" patented technology

The invention discloses a rare-earth metal arylamine group compound as well as preparation method and application thereof. The invention discloses the rare-earth metal arylamine group compound which is characterized in that a general formula of the rare-earth metal arylamine group compound is (2,6-R12PhNH)5LnLi2(THF)2, wherein Ln is a rear-earth metal selected from one of neodymium, samarium, ytterbium or yttrium; R1 is selected from one of hydrogen, methyl or isopropyl. The rare-earth metal arylamine group compound has the advantages that the rare-earth metal arylamine group compound has a definite structure; raw materials used in the preparation method are simple, easily obtained and cheap; the reaction process is simple and easily operated; the rare-earth metal arylamine group compound product is conveniently purified and the yield of the product is high; the rare-earth metal arylamine group compound has a high activity when acting as a single component catalyst to catalyze a hydrogen phosphine reaction of aldehyde or ketone and phosphite ester; the use amount of the catalyst is less; the yield is high; a substrate has wide universality; a new and simple method is provided for synthesis of a-hydroxyphosphonate.

The invention discloses hydrolysis-resistant liquid phosphite ester and a preparation method and application thereof.The hydrolysis-resistant liquid phosphite ester is prepared by the steps that 2, 2, 4-trimethyl-1, 3-pentanediol and phosphorus trichloride or phosphite triester serve as raw materials, a cyclization reaction is conducted firstly, and then the hydrolysis-resistant liquid phosphite ester is obtained; and then carrying out nucleophilic substitution on Cl or aryl and alkyl on the cyclized intermediate by using higher saturated monohydric alcohol with more than C8, wherein the molecular structure is as shown in formula I in the specification. The liquid phosphite ester is novel liquid phosphite ester, the main body of the liquid phosphite ester is of a six-membered ring structure, the basic structure of the phosphite ester is reserved to the maximum extent, and the anti-oxidation effect of the phosphite ester is guaranteed; hydrophobic aliphatic chain structures on phosphorus atoms and branched chains of the phosphorus atoms prevent water molecules from approaching P-O bonds, so that the phosphorus atoms and the branched chains are prevented from being attacked by the water molecules, and the hydrolysis resistance is improved under the conditions that any additional amine hydrolysis-resistant agent is not used and any steric hindrance group is not introduced; good practical value, economic value and market prospect are realized.

The application discloses a kind of high-performance coiled material powder coating and preparation method thereof, belong to powder coating technical field, the application is by the compounding of organosilicon modified epoxy resin and carboxyl-terminated polyester resin, after organosilicon modification, the segment of introduction-Si-O-Si in system has high flexibility, and synergistic effect with nano calcium carbonate, it is helpful to balance the adhesion and flexibility of coating, grafting modification graphene oxide, active chromium oxide is added again, can obviously improve the mechanical strength of coating;After then, phosphite group is grafted onto graphene oxide, and is applied in the present powder coating system, can form three-dimensional network structure in system, chemical bond effect, not only can improve its crosslinking stability in system, and the sheet structure of graphene oxide, also can play certain barrier property, can also give coating longer weather resistance, and active chromium oxide synergistic effect is further improved, and the weather resistance and corrosion resistance of coating.

The invention discloses a colored permanent antistatic PETG material applied to 3D printing. The colored permanent antistatic PETG material comprises the following components in parts by weight: 50-80 parts of a PETG material, 5-20 parts of a PC material, 10-30 parts of a permanent antistatic agent, 5-15 parts of a reinforcing agent, 1-5 parts of a lubricant, 1-5 parts of a compatilizer, 0.1-0.5 part of a coupling agent, 0.1-0.4 part of a hindered phenol antioxidant, 0.1-0.4 part of a phosphite antioxidant, 0.1-0.4 part of a plasticizer and 0.1-0.4 part of toner. The composite material has the beneficial effects that a PETG / PC alloy modification mode is used, so that the heat resistance, the mechanical property and the interlayer adhesive force of the PETG composite material are improved; the high-molecular permanent antistatic agent is used, so that the antistatic capacity of the material is improved under the condition that the color of PETG is not influenced, and the problem that a conventional carbon nanotube / conductive carbon black modified antistatic PETG material cannot be subjected to color matching is solved.

The invention discloses a high-performance coiled material powder coating and a preparation method thereof, and belongs to the technical field of powder paints.The high-performance coiled material powder coating has the advantages that organosilicon modified epoxy resin and carboxyl-terminated polyester resin are compounded, a-Si-O-Si-chain segment is introduced into a system after organosilicon modification, the flexibility is high, and the high-performance coiled material powder coating has a synergistic effect with nano calcium carbonate; the adhesive force and the flexibility of the coating are balanced, and the mechanical strength of the coating can be obviously improved by adding the grafted modified graphene oxide and the active chromic oxide; then, phosphite ester groups are grafted to the graphene oxide, the graphene oxide is applied to a powder coating system, a three-dimensional network structure and chemical bonding can be formed in the system, the crosslinking stability of the graphene oxide in the system can be improved, and a certain barrier property can be achieved due to the flaky structure of the graphene oxide; and the coating is endowed with long-acting weather resistance, and the weather resistance and the corrosion resistance of the coating are further improved through the synergistic effect with the active chromic oxide.

The invention provides a phosphate-based gel electrolyte, and the phosphate-based gel electrolyte is prepared from a phosphate and / or phosphite monomer containing an acrylate-like structure through an in-situ cross-linking reaction. The network skeleton structure of the phosphate-based gel electrolyte can almost swell all the electrolyte, so that the phenomenon that the non-swelled electrolyte produces an over-thick SEI film on the surface of the lithium metal negative electrode is avoided, and the polarization of the positive electrode is delayed. Meanwhile, a phosphate group in the skeleton provides good flame retardance, and the safety performance of the lithium metal battery cell is improved.

The invention relates to the technical field of batteries, in particular to molecular cage electrolyte for a sodium ion battery, a preparation method of the molecular cage electrolyte and the battery. The preparation method comprises the following steps: mixing a metal organic polyhedron with a safe solvent, and completing cage-entering coordination to obtain a prefabricated solution; mixing the pre-prepared solution with an electrolyte salt solution to prepare an electrolyte; wherein the metal organic polyhedron comprises at least one of a copper-based cage, a uranium-based cage, a zirconium-based cage, a chromium-based cage, a zinc-based cage, a magnesium-based cage, a rhodium-based cage and a lanthanum-based cage; the safe solvent comprises at least one of a phosphate ester solvent, a phosphite ester solvent, a sulfone solvent, a fluorosulfone solvent, a fluorophosphate ester solvent and a phosphazene solvent; the electrolyte salt solution comprises an electrolyte salt, an organic solvent and a functional additive. According to the electrolyte prepared by the preparation method, the thermal safety performance of the battery can be improved, and the electrochemical performance of the battery can also be improved.

The embodiment of the invention discloses a degradable filling plastic master batch and a preparation method thereof. The degradable filling plastic master batch comprises the following components: a bio-based material, an accelerant, a lubricant, a modifier, an antioxidant, a cross-linking agent and a coupling agent, wherein the bio-based material is polylactic acid; the accelerant is modified starch; the plastic modified material is calcium carbonate; the modifying agent comprises pe wax and / or ebs; the lubricant comprises zinc stearate and POE (Polyolefin Elastomer); the antioxidant is a composition of lignin and phosphite ester; the cross-linking agent is triallyl isocyanate, and / or epoxidized soybean oil; the coupling agent is a silane coupling agent or an aluminic acid coupling agent, can provide the strength of the degradable filling master batch, is not prone to deformation during stretching, has an anti-oxidation effect, is more reinforced and durable, and can achieve the purpose of rapid degradation after waste treatment.

Disclosed in the present invention are a low-mold-fouling flame-retardant polyamide composite material, a preparation method therefor and a use thereof. The polyamide composite material comprises the following components in parts by weight: 40-60 parts of a polyamide resin; 13-30 parts of aluminum diethylphosphinate; 4-10 parts of a synergistic flame retardant; 15-40 parts of glass fibers; 0.1-5 parts of an ethylene-maleic anhydride copolymer; and 0.1-2 parts of a thermal stabilizing additive. The thermal stabilizing additive is a phosphite ester. The polyamide composite material of the present invention solves the problem of heavy mold fouling of flame-retardant polyamides, has high notched impact strength, and can meet the requirements of industries such as automobiles, electronics, energy storage, and connectors.

Bis-phosphites having 2-phenylphenol flanking structural units and their use in hydroformylation.

The invention relates to the field of organic synthesis, in particular to a synthesis method of gamma-aminophosphine oxide compounds and derivatives thereof. According to the synthesis method disclosed by the invention, alpha, beta-unsaturated amide, diaryl phosphine oxide or phosphite ester is taken as raw materials, and under the action of acid, the gamma-aminophosphine oxide compound can be rapidly and efficiently synthesized by a one-pot method. The preparation method comprises the following steps of: generating conjugated nitrile positive ions or imine salt intermediates with strong electrophilicity from alpha, beta-unsaturated amide under the activation of acid, converting diaryl phosphine oxide or phosphite ester into strong nucleophilic three-coordination phosphorus species under the action of alkali, and further performing phosphorus-doped Michael addition reaction on the conjugated intermediates to finally generate the gamma-aminophosphine oxide compounds. According to the method disclosed by the invention, diaryl phosphine oxide or phosphite which is cheap, easy to obtain and stable in structural property is used as a phosphorus source, the substrate applicability is wide, and the economic cost is relatively low; in addition, the method realizes synthesis of a target product without participation of a metal catalyst, and is rapid and efficient.

The invention relates to the technical field of high-voltage cables, in particular to a crosslinked polyethylene insulated high-voltage direct-current cable, which is characterized in that an insulating layer contains a crosslinked polyethylene base material, a composite modifier, an antioxidant compound system, a nano nucleating agent, a tracking-resistant agent, a compatilizer and a smoke suppressant, the composite modifier is prepared by compounding an ethylene-vinyl acetate copolymer and a methyl methacrylate-butadiene-styrene copolymer, the antioxidant is prepared by compounding hindered phenol and phosphite ester, the nano nucleating agent is prepared from silane coupling agent KH-550 modified talcum powder and calcium carbonate, the tracking-resistant agent is prepared from melamine cyanurate and stearic acid activated magnesium hydroxide, and the lubricant is prepared from a lubricant and a lubricant. The compatilizer is maleic anhydride grafted polyethylene, and the smoke suppressant is compounded by ammonium molybdate and tin oxide. The components synergistically improve the flexibility, aging resistance and dielectric property of the insulating layer, the tracking resistance and smoke suppression are balanced, and the preparation process solves the problem of additive agglomeration, accurately controls the crosslinking degree, reduces the internal stress and improves the performance uniformity.

The application provides a bidentate phosphite polymer, a preparation method and application thereof, and a method for olefin carbonyl synthesis reaction. The bidentate phosphite polymer provided by the application is shown in formula (I) and is copolymerized by a specific bidentate phosphite ligand and 2-vinyl naphthalene. The bidentate phosphite polymer can be used in catalyzing the olefin carbonyl synthesis reaction, can not only ensure the catalytic performance of the olefin carbonyl synthesis reaction, but also can improve the solvent swelling resistance of the polymer, thereby being beneficial to ensuring the catalyst form stability and being beneficial to the stable production of aldehydes synthesized by the olefin carbonyl synthesis.

The invention belongs to the technical field of high polymer materials, and provides a modified PEEK material with good processing stability and a preparation method thereof, the modified PEEK material comprises the following raw materials by weight: 90-100 parts of polyether-ether-ketone, 8-15 parts of modified carbon nanotubes, 2.5-5 parts of modified titanium dioxide, 0.5-3.0 parts of a processing aid, 0.2-0.6 part of a hindered phenol antioxidant, and 0.1-0.3 part of a phosphite antioxidant. The preparation method comprises the following steps: step 1, drying PEEK, modified carbon nanotubes and modified titanium dioxide; step 2, mixing the dried PEEK, modified carbon nanotubes, modified titanium dioxide, a processing aid, a hindered phenol antioxidant and a phosphite antioxidant in a high-speed mixer to obtain a premix; and step 3, adding the premix into a twin-screw extruder, and carrying out melt blending, extrusion and granulation to obtain the modified PEEK material.

Electrolyte for a battery cell, battery cell for a vehicle, and method for forming an electrolyte. The electrolyte comprises a base electrolyte. The base electrolyte comprises a primary lithium salt, a carbonate solvent, and an organic sulfate additive. The electrolyte also comprises lithium bis(fluorosulfonyl)imide (LiFSI), present in the range of 0.1 wt% to 1 wt% of the total weight of the electrolyte, a phosphite ester oxygen scavenger, present in the range of 0.01 wt% to 1.5 wt% of the total weight of the electrolyte, and fluoroethylene carbonate, present in the range of 0.5 wt% to 2.0 wt% of the total weight of the electrolyte. The base electrolyte is the remaining wt% of the total weight of the electrolyte, and the total wt% of the electrolyte is 100 wt%.

The application provides a lithium ion battery positive electrode with high rate and high safety performance and a preparation method thereof. The preparation method comprises the following steps: S1, polymerizing a phosphite monomer containing trivalent phosphorus, a functional monomer with a phosphine oxide group and a methacrylate monomer to obtain a thermal expansion polymer inner core; adopting a liquid deposition and electrostatic self-assembly process to coat a solid lithium ion conductor and a carbon-based material on the surface of the inner core to form a brittle composite conductive shell layer, thereby preparing a core-shell structure flame-retardant microsphere; S2, coating a primer slurry containing a pyrolysis gas binder and a conductive agent on the surface of a current collector and drying the primer slurry at a temperature lower than the decomposition temperature of the binder to form a thermal trigger safety primer layer; and S3, mixing a positive electrode active material, a binder, a conductive agent and the core-shell structure flame-retardant microsphere to prepare a slurry, coating the slurry on the surface of the primer layer and drying the slurry through gradient temperature rising to obtain the positive electrode. The lithium ion battery positive electrode realizes the simultaneous consideration of high rate and high safety performance.

The application discloses a kind of high-activity green cleaning agent, its preparation method and application, the high-activity green cleaning agent includes stock solution and diluent liquid;The stock solution is formed by esterification reaction by mixing and heating 2-ethylhexyl phosphate and hydroxyethylidene diphosphonic acid according to weight ratio 1.8-3:1;And / or the stock solution includes 2-ethylhexanol, phosphite, acetic acid-2-ethylhexyl ester, polyisobutylene succinic anhydride and ethylhexyl phosphate;The diluent liquid is formed by mixing according to weight ratio 1:4-3:7 by content >99% formaldehyde and oligomeric water cluster;The weight percentage of the stock solution is 0.8%-1.3%.The application also discloses fuel containing the above-mentioned high-activity green cleaning agent.The high-activity green cleaning agent of the application is a pure petroleum product, is a new type of fuel modifier, by changing the physical properties of fuel to achieve its synergistic effect, oil saving, carbon cleaning, emission reduction effect, suitable for popularization and application.

The invention discloses an alpha-aminophosphoryl derivative as well as a preparation method and application thereof. The method comprises the following steps: by taking a quinoline derivative as a raw material and tetrahydrofuran (THF) as a solvent, adding boron trifluoride diethyl etherate in a nitrogen system at the reaction temperature of 0 DEG C, stirring for 15 minutes, reducing the temperature of the reaction system to T1 (-60 DEG C to-30 DEG C), adding a Grignard reagent into the reaction system, and reacting for 30 minutes to obtain a solution A; dissolving a phosphorus reagent in the organic solvent at room temperature in a nitrogen atmosphere to obtain a solution B; and adding the solution A into the solution B, reacting for 6-15 hours at the reaction temperature T2 (0-50 DEG C), and after the reaction is finished, extracting, concentrating and carrying out column chromatography to obtain the target product alpha-aminophosphoryl derivative. The invention provides a novel synthetic route for preparing the alpha-aminophosphonyl derivative, and various phosphorus reagents such as diaryl phosphorus oxide and phosphite ester can be compatible with the reaction. The alpha-aminophosphoryl derivative synthesized by the invention has a good antibacterial effect on gram-positive bacteria, especially staphylococcus aureus.

The application discloses a high-elongation-strength anti-fatigue TPU blended material and a preparation method thereof, and relates to the field of polymer materials. In the preparation of the high-elongation-strength anti-fatigue TPU blended material, phosphorus chloride is reacted with 4'-vinyl-[1,1'-biphenyl]-4-alcohol and p-phenylphenol to obtain a phosphite antioxidant; nano-silicon dioxide is sequentially reacted with trimethoxysilane and the phosphite antioxidant to obtain modified silicon dioxide; a modified polyurethane elastomer is prepared by reacting hydroxyl-terminated polysiloxane, 1,4-butanediol, isophorone diisocyanate and adipic dihydrazide; polyether amide elastomer and the modified polyurethane elastomer are mixed, mixed with a compatilizer, modified silicon dioxide and antioxidant 1010, dried, mechanically mixed, and melt-blended to obtain the high-elongation-strength anti-fatigue TPU blended material. The high-elongation-strength anti-fatigue TPU blended material prepared by the application has the abilities of self-repairing, durability and flame resistance.

Bisphosphites with tert-butyl radicals on the central unit and substituted outer unit.

The invention relates to a flame-retardant indigo blue composite dye and a preparation method thereof, and belongs to the technical field of dyes. According to the indigo blue composite dye and the preparation method thereof, the synergist is prepared, the synergist and indigo blue are subjected to ball milling and blending to obtain the indigo blue composite dye, phosphite ester groups and benzotriazole in the synergist can synergistically form a firm heat-insulation flame-retardant barrier, the indigo blue dye is endowed with good flame retardance, and a dyed fabric better meets the fireproof safety requirement; the benzotriazole can also enhance the ultraviolet absorption performance of the dyed fabric, and the phosphite group can also have a triangular pyramid-shaped space structure, so that the synergist is integrally of a three-dimensional structure, pi-pi accumulation among indigo molecules is effectively prevented, and the indigo has good dispersion stability; quaternary ammonium salt cations in the synergist enable the dyed fabric to achieve the antistatic effect, and meanwhile, the quaternary ammonium salt cations and indigo blue in the dyeing process can be mutually attracted through electrostatic attraction, so that the color fixing effect is achieved.

The invention relates to the field of household appliance plastic packaging materials, in particular to a high-temperature-yellowing-resistant unsaturated polyester resin molding compound based on a nano material and a preparation method of the high-temperature-yellowing-resistant unsaturated polyester resin molding compound. The composition comprises the following components in parts by weight: 60-75 parts of unsaturated polyester resin; 25-40 parts of a low shrinkage agent; 1-3 parts of a nano material; 1-3 parts of an organic antioxidant; 3-5 parts of an internal release agent; 1-2 parts of a curing agent; 280 to 300 parts of a filler; 55 to 65 parts of chopped glass fiber; the high-temperature-yellowing-resistant unsaturated polyester resin molding compound has long-acting high-temperature-yellowing-resistant performance, cerium oxide reacts with phosphite ester at high temperature, P (I) in the phosphite ester has strong reducibility, tetravalent cerium ions in CeO2 have strong oxidizability, a complex containing Ce-P-O bonds is generated, and therefore the molding compound can be used for preparing the high-temperature-yellowing-resistant unsaturated polyester resin molding compound. Compared with single CeO2 or phosphite ester, the compound shows stronger free radical capturing capacity, and alkyl free radicals and alkoxy free radicals can be more effectively quenched; and the capability of decomposing hydroperoxide is far better than that of independent phosphite ester and cerium oxide.

The invention relates to the technical field of synthesis of organic compounds, and discloses a synthesis method of boclean flood aldehyde, which is characterized in that 4-tert-butylstyrene is used as a raw material, and the boclean flood aldehyde is prepared through one-step hydroformylation reaction. Rh (CO) 2C5H7O2 and bis (2, 4-dicumyl phenyl) pentaerythritol diphosphite form a composite catalyst, the composite catalyst is matched with triethylamine organic alkali to react under specific process conditions, and a pure product is obtained through vacuum distillation. The method has the advantages of simple process, mild reaction conditions, raw material conversion rate of more than 98%, product yield of more than 80%, purity of more than 98%, easy reagent recovery and small environmental harm, and is suitable for industrial large-scale production.

The invention relates to a polyamide composition as well as a preparation method and application thereof. The polyamide composition is prepared from the following components in parts by weight: 77 to 97 parts of polyamide resin, 3 to 23 parts of a toughening agent, 0.08 to 0.6 part of an antioxidant A, 0.08 to 0.6 part of an antioxidant B and 0.08 to 0.6 part of a copper salt heat stabilizer. The antioxidant A is a sulfur-containing antioxidant, and the sulfur-containing antioxidant has a thiocarbonyl thio group (-C (= S)-S-); the antioxidant B comprises a phosphite ester antioxidant and / or a hindered phenol antioxidant. According to the toughened polyamide composition, the sulfur-containing antioxidant with thiocarbonyl sulfenyl is introduced and is matched with the phosphite antioxidant and / or the hindered phenol antioxidant and the copper salt heat stabilizer, so that the thermo-oxidative aging resistance of the toughened polyamide composition is jointly improved.

The invention relates to a casting type polyurethane elastomer vibration and noise reduction material for a railway elastic sleeper. Belongs to the technical field of polymer materials. The preparation raw materials are as follows: polyether polyol and diphenylmethane diisocyanate (MDI) or toluene diisocynate (TDI) are used as main reaction raw materials; micromolecular dihydric alcohol or diamine is used as a chain extender; a hindered phenol antioxidant or a phosphite ester antioxidant; a benzotriazole ultraviolet light absorber or a benzophenone ultraviolet light absorber; an organic silicon auxiliary agent; and a nano-scale inorganic filler. The material disclosed by the invention has excellent vibration and noise reduction performance, can meet the requirements that the rigidity range is 100-400KN / mm and the tensile strength is greater than 12MPa, and also has good anti-aging performance and anti-fatigue performance; the stability and the uniformity of the product quality are ensured; and rapid curing can be achieved, and the requirement for high efficiency of site construction is met.

A lubricating oil composition is disclosed. The composition comprises a major amount of an oil of lubricating viscosity; one or more ashless dispersants; at least one phosphorus-containing antiwear additive, wherein the at least one phosphorus-containing antiwear additive is a phosphorus-containing acid, a phosphate ester, a phosphite ester, a thiophosphate ester, or an amine salt thereof; at least one friction modifier, wherein the at least one friction modifier is a diol, an ethoxylated amine, a fatty acid ester, or an alcohol; a nitrogen-containing friction modifier having the structure wherein R1 and R2 are independently a branched C10-C25 hydrocarbyl group.

Provided is a polyamide resin composition including: 38 wt % to 82 wt % of polyamide 6; 1 wt % to 30 wt % of a long chain polyamide; 15 wt % to 35 wt % of an impact modifier including a polyolefin-based rubber; 0.1 wt % to 1.0 wt % of an antioxidant including a phenol-based antioxidant, an amine-based antioxidant, a phosphite-based antioxidant, or a mixture thereof; and 0.1 wt % to 1.0 wt % of a release agent including ethylene bis stearamide.

The invention discloses a PET base film and a PET base film plate preparation method, and relates to the technical field of plates, the PET base film comprises PET resin, oleamide, silicon dioxide, an antioxidant and a flake mica sheet, the antioxidant is formed by mixing a hindered phenol antioxidant and a phosphite ester antioxidant, and the aspect ratio of the flake mica sheet is 80-150; the PET film is adopted to replace a traditional LVT plate bottom film, the characteristic that the intermolecular structure of the PET material is tighter is fully utilized, the barrier property of the material is remarkably improved, and therefore migration and precipitation of a plasticizer are effectively inhibited.

This invention discloses a high-temperature resistant water-based ink and its preparation method, belonging to the field of ink technology. The high-temperature resistant water-based ink, by weight, comprises the following components: 45-50 parts of silicone-modified water-based polyurethane resin, 25-30 parts of epoxy-modified acrylic emulsion, 10-15 parts of composite filler, 1-2 parts of pigment, 1-3 parts of water-based polytetrafluoroethylene wax powder, 0.5-1.5 parts of dispersant, 1-2 parts of leveling agent, 0.6-1 part of defoamer, 0.4-0.6 parts of tris(2,4-di-tert-butylphenyl) phosphite, 15-20 parts of water, and 20-25 parts of dipropylene glycol methyl ether. This invention also proposes a method for preparing the above-mentioned high-temperature resistant water-based ink. The high-temperature resistant ink proposed in this invention exhibits excellent high-temperature resistance and flexibility.

This platinum-phosphite complex-containing hydrosilylation catalyst is liquid at 23°C, does not contain a hydrocarbon-based organic solvent, and comprises: a platinum-phosphite complex formed of platinum and a phosphite compound having a specific structure; an alkenyl group-containing siloxane compound that is liquid at 23°C and that contains an organopolysiloxane compound having two or more adjacent alkenyl groups; and an acetylene alcohol having a melting point of 35°C or lower. The catalyst has excellent storage stability. By using the catalyst, it is possible to easily obtain a one-component type (one-liquid type) curable organopolysiloxane composition not containing a hydrocarbon-based organic solvent. Further, the obtained one-component type curable organopolysiloxane composition has stable physical properties and characteristics even in a state of being exposed to ordinary temperatures for a long period of time.