33results about How to "With flame retardant properties" patented technology

The invention belongs to the technical field of a gelling agent for geologic hazard control as well as filling control of goaf and waste laneway or collapse craters after exploitation of other mines, and provides a formula and a method of a novel polymer composite gelling agent for grouting. The gelling agent comprises the following components in percentage by weight: 10-25% of bentonite, 5-20% of cellulose, 5-20% of vegetable gum, 10-15% of calcium hydroxide, 10-25% of inorganic hygroscopic agent, 0.5-1.5% of inorganic dispersant, 0.5-2% of inorganic flocculent, 6-18% of organic flocculent, and 5-15% of alkali metal carbonate. The gelling agent is used for processing and crushing, mixing with water, and injecting to slurry for gelling. According to the invention, the characteristics of high-hydroscopicity mineral matters and hydroscopic synthetic resin are sufficiently absorbed and utilized, and various ion groups are introduced and adjusted to obtain specific performance, so that the gelling agent has strong water solubility, can form hydrophile and water-insoluble gel in the slurry, and has excellent adhesion force to solids and dissolved matters in the slurry, good gelling property, strong water control function, high and adjustable jelling speed, low cost and no pollution.

The invention discloses a bio-based epoxy resin composition. The bio-based epoxy resin composition comprises the following raw materials: 100 parts of bio-based epoxy resin and 5 to 50 parts of a curing agent; and the structural general formula of the bio-based epoxy resin is shown in the following formula. In the formula, x is an integer selected from 1 to 5, R1 to R4 are independently selected from a phenyl, a vinyl group, and an alkyl group having 1 to 10 carbon numbers. The bio-based epoxy resin is siloxane chain segment-containing eugenol bio-based epoxy resin, and main reaction functional groups are eugenol epoxy groups, and siloxane chain segments are introduced in a molecular skeleton, thereby being capable of greatly reducing the viscosity of the system and improving the processing fluidity, siloxane in macromolecular volume can further greatly improve dielectric properties and reduce dielectric constants, and has intrinsic flame retardant properties. The epoxy resin composition taking siloxane as a substrate can realize intrinsic flame retardation without adding a flame retardant, and the epoxy resin film prepared by using the composition has outstanding flame retardancy,adhesive properties and bending strength, and further is high in dielectric strength.

The invention discloses a preparation process of eugenol-based epoxy resin. The preparation process comprises the steps that (1) eugenol, epichlorohydrin and a catalyst A are added under the normal pressure, etherification ring-opening reaction is conducted at the temperature of 90-120 DEG C, thus chlorinol ether is prepared, and the catalyst A is a halloysite nanotube immobilized with benzyl triethyl ammonium chloride; (2) when a system obtained through reaction in the step (1) is cooled to 40-80 DEG C, alkali is added into the system, heat preservation for reaction is conducted for 1-12 h,then still standing and cooling layering are conducted, and thus collected organic phase products are epoxidized eugenol; and (3) the epoxidized eugenol prepared in the step (2), siloxane containing hydrogen at the two ends, and a catalyst B are mixed, hydrosilylation is conducted, and thus the eugenol-based epoxy resin is prepared. According to the preparation process, the bio-based eugenol serves as an initial raw material, and a prepared eugenol-based epoxy resin curing material simultaneously has the excellent flame retardant property, bonding property and electrical property.

The invention discloses a preparation process of bio-based epoxy resin, the preparation process comprises: 1), adding eugenol, epoxy chloropropane and a catalyst A under normal pressure, carrying outetherification open-loop reaction at the temperature of 90-120 DEG C to prepare chlorhydrin ether; wherein the catalyst A is a mesoporous molecular sieve catalyst immobilized with benzyl triethyl ammonium chloride; 2) cooling the system obtained in the step 1) to 40-80 DEG C, adding an alkali into the system, and carrying out heat preservation reaction for 1-12 hours, standing, cooling and layering, and collecting an organic phase product, namely epoxy eugenol; and 3) and mixing the epoxy eugenol prepared in the step 2) and siloxane containing hydrogen at the two ends with a catalyst B, and carrying out hydrosilylation reaction to prepare the bio-based epoxy resin. The preparation process disclosed by the invention takes the bio-based eugenol as an initial raw material, and the prepared bio-based epoxy resin cured product has excellent flame retardancy, adhesive property and electrical property.

The invention provides a preparation method of a multifunctional light stabilizer, and particularly relates to the field of light stabilizers; the structure of the multifunctional light stabilizer isshown as follows, wherein the R1 is any one of oxygen, hydrogen, hydroxyl, halogen, C1-C20 alkyl, C4-C10 naphthenic base, C1-C12 alkoxy, C4-C12 naphthenyloxy, C1-C10 chain enyloxy or cyclic enyloxy, C1-C10 cyano substituted alkyloxy and C1-C15 aromatic alkoxy; and R2 is hydrogen, a C1-C20 alkyl group or an oxygen atom substituted C1-C20 alkyl group. The triazine multifunctional light stabilizer with the double hindered amine piperidine groups can be prepared, and the triazine multifunctional light stabilizer has more excellent ultraviolet absorption spectrum characteristics, free radical capturing capacity and high polymer compatibility and also has certain flame retardant characteristics.

The invention discloses a hard environment-friendly flame-retardant polyvinyl chloride foaming board and a manufacturing method thereof. The foaming board comprises a lower layer. A second surface layer is connected to the upper surface of the lower layer. A third surface layer is connected to the upper surface of the second surface layer. An ASA resin layer is connected to the upper surface of the third surface layer. A protective film layer is arranged on the upper surface of the ASA resin layer. The lower layer polyvinyl chloride foaming material is prepared from, by weight, 100 parts of polyvinyl chloride, 6 parts of a stabilizing agent, 10-20 parts of aluminum hydroxide, 10-30 parts of flame retardant, 10-20 parts of an acrylic ester processing modifier, 5-15 parts of an impact modifier, 5-50 parts of a filler, 1-5 parts of a chitosan oligosaccharide, 0-1 part of a yellow foaming agent, 2-6 parts of a white foaming agent, 2-4 parts of a lubricating agent, and 0-2 parts of pigment. The hard environment-friendly flame-retardant polyvinyl chloride foaming board has the advantages of being high in hardness and low in density, resisting to water and dampness, resisting to flame, being environmentally friendly and the like, is easy to implement, and has the good market prospect.

The invention relates to ATF oil resistant flame retardant type impregnated resin as well as a preparation method and application thereof. The ATF oil resistant flame retardant type impregnated resin is prepared from the following raw materials in percentage by weight: 25-45 percent of modified epoxy resin, 15-37 percent of organic silicon resin, 5-15 percent of benzoxazine resin, 30-52 percent of a crosslinking monomer, 1-10 percent of a curing agent, 0.05-1.5 percent of a drying catalyst, 0.5-2 percent of an initiator and 0.02-0.1 percent of an polymerization inhibitor; the modified epoxy resin is prepared by enabling novolac epoxy resin to carry out esterification with acrylic acid and maleic anhydride sequentially; and the organic silicon resin is prepared by carrying out reaction on diphenylsilanediol and a double bond containing silane coupling agent. The impregnated resin has the characteristics of excellent transmission oil resistance, flame retardancy, heat resistance, high bonding strength and the like and is suitable for insulation impregnating treatment of an oil cooling type electric vehicle drive motor.

The invention discloses a photoelectric composite cable, and further relates to application of the photoelectric composite cable in a 5G front-haul network. The photoelectric composite cable comprisesa central reinforcer, an optical signal layer coating the central reinforcer, a photoelectric hybrid layer coating the optical signal layer, and an electric signal layer coating the photoelectric hybrid layer, wherein the optical signal layer is provided with a plurality of optical units; the photoelectric hybrid layer is provided with a plurality of electric units and a plurality of optical units, and the electric units and the optical units are alternately arranged; the electric signal layer is provided with a plurality of electric units; and each optical unit is provided with four opticalfibers, and each electric unit is provided with a cell. According to the photoelectric composite cable, a cable is processed by adopting a mode of combining the optical units and the electric units, so that the photoelectric composite cable is compact in structure, small in occupied space, easy to construct, low in comprehensive cost and convenient to lay and use; the photoelectric composite cableis applied to the 5G front-haul network, communication and power supply problems of multiple devices can be solved from BBU and RRU ends of a base station by only one cable, and the comprehensive cost of laying of drop cables of the base station is reduced.

The invention discloses an ultraviolet-proof viscose acetal fiber fabric which comprises an ultraviolet-proof layer (3), a flame-retardant layer (2) under the ultraviolet-proof layer (3), and a viscose acetal fiber base cloth layer (1) under the flame-retardant layer (2), wherein the viscose acetal fiber base cloth layer (1) is formed by weaving a plurality of viscose acetal fibers, which are taken as warps and wefts, by a weaving machine; the flame-retardant layer (2) is attached to the viscose acetal fiber base cloth layer (1) in a soaking way. As being provided with the ultraviolet-proof layer and the flame-retardant layer, the ultraviolet-proof viscose acetal fiber fabric has an ultraviolet-proof effect and flame retardance at the same time, and is simple to manufacture, safe and reliable.

The invention discloses an up-conversion light diffusion micro-sphere for panel display and a preparation method thereof. The panel display up-conversion light diffusion micro-sphere is of a multi-shell structure and is microscopically of a sandwich structure. Erbium and magnesium bimetal composite oxide Er2O3-MgO micro-spheres are arranged on the innermost layer, the average diameter of the erbium and magnesium bimetal composite oxide Er2O3-MgO micro-spheres is 2-4 micrometers, porous g-C3N4 is arranged on intermediate layers, the thicknesses of the intermediate layers are 100-200 nm, polysiloxane condensation polymers are arranged on the outermost layer, and the thickness of the outermost layer is 400-600 nm. The panel display up-conversion light diffusion micro-sphere and the method have the advantages that a layer of porous g-C3N4 grows on each Er2O3-MgO micro-sphere in an in-situ manner to prepare porous g-C3N4/Er2O3-MgO composite micro-spheres, and siloxane monomers are hydrolyzed, condensed and polymerized on the composite micro-spheres in an in-situ manner to obtain the panel display up-conversion light diffusion micro-sphere, accordingly, the panel display up-conversion light diffusion micro-sphere has up-conversion luminescence phenomena, and green light can be generated by the panel display up-conversion light diffusion micro-sphere excited by laser devices with the wavelengths of 980 nm; excellent light diffusion effects can be realized by light diffusion films prepared from the panel display up-conversion light diffusion micro-sphere by means of ultraviolet curing, the visible light transmittance of the light diffusion films is 90%-95%, the haze of the light diffusion films is 80%-88%, the light diffusion films have up-conversion luminescence performance and are excellent in mechanical performance, ageing resistance and flame-retardant characteristic and have multiple functions, and accordingly the up-conversion light diffusion micro-sphere for the panel display and the method are extensive in application prospects.

The invention discloses a heat-conducting pouring sealant and a preparation method thereof, the heat-conducting pouring sealant comprises a component A and a component B. The component A comprises 10-30 wt% of 1, 3, 5-triglycidyl isocyanurate; and the component B comprises 95.5 wt%-99.97 wt% of a curing agent. The preparation method comprises the following steps: mixing the 1, 3, 5-triglycidyl isocyanurate and the heat-conducting filler through an airflow mixer to obtain the component A; stirring and mixing a curing agent, a dispersing agent, a defoaming agent and a flatting agent to obtain a component B; and extruding the component A and the component B through a heatable single-screw extrusion device to obtain the heat-conducting pouring sealant. According to the invention, the self-flame-retardant resin and the curing agent are used as matrix materials, so that the use amount of the flame-retardant filler can be reduced, thereby reserving an increasing space for the heat-conducting filler for a system, ensuring that the amount of the resin is not changed, increasing the filling amount of the heat-conducting filler and further improving the heat-conducting property.

A preparation method of solid-liquid phase change type TPU electrolyte comprises the following steps of: putting monomer glycols, adipic acid and tetrabutyl titanate into a reaction container for reaction to obtain macromolecular dihydric alcohol; putting polyethylene glycol, polypropylene glycol, polypropylene glycol with three functional groups, the macromolecular dihydric alcohol, a chain extender, isocyanate, lithium salt, graphene, a flame retardant, an antioxidant, an anti-yellowing agent and a catalyst into a reaction container for reaction; baking the product through an oven; and finally put the product into an extruder for granulation to obtain the solid-liquid phase change type TPU electrolyte. The solid-liquid phase change type TPU electrolyte can be subjected to solid-liquid phase change along with the change of temperature, is in a solid state at normal temperature, is in a liquid state during use, and has excellent safety and electrical conductivity.

The invention discloses a furniture fire retardant treatment method and photocuring equipment. The method comprises the following step one of polishing, the step two of primary fire retardant coatingspraying, the step three of primary irradiation of UV, the step four of secondary fire retardant coating spraying, and the step five of secondary irradiation of UV. The fire retardant coating comprises the following components including 70-78 parts of vinyl ester resin, 5-10 parts of composite fire retardant agent, 3-7 parts of metacrylic acid ester, 1-3 parts of liquid wax, 0.6-1 part of photosensitizer, 0.3-0.6 part of antifoaming agent and 0.2-0.4 part of dispersing agent. The photocuring equipment comprises a UV irradiator, a sliding mechanism and a telescoping mechanism. The first slidingmechanism is installed on the top of a photocuring treatment chamber. The UV irradiator can be installed on the lower side of the sliding mechanism along the X-axis through the telescoping mechanism.According to the equipment, the photocuring efficiency is high, the attachment efficiency of the composite fire retardant agent is high, the production efficiency is improved, and adopted materials are environmentally friendly.

The invention relates to cable processing, in particular to a high-flame-retardant and high-temperature-resistant cable and a processing method thereof.The processing method of the high-flame-retardant and high-temperature-resistant cable comprises the following steps: 1, a cable core penetrates through two injection molding mechanisms in a high-flame-retardant and high-temperature-resistant cable processing device; 2, the two injection molding mechanisms respectively perform injection molding on different injection molding objects on the cable core; and 3, the two injection molding mechanisms carry out segmented injection molding on the cable core to form the high-flame-retardant and high-temperature-resistant cable. The high-flame-retardant and high-temperature-resistant cable comprises the cable core, coating rubber I and coating rubber II, the coating rubber I and the coating rubber II coat the cable core, and raw materials of the coating rubber I and the coating rubber II are different. One section of the coating rubber I and one section of the coating rubber II are flame-retardant rubber, so that separation is formed on the cable, and the cable has the flame-retardant characteristic.

The invention relates to a reusable waterborne polyurethane shielding material and a preparation method thereof. The preparation method of the material comprises the steps that: 1, any one or a combination of two or more of polypropylene oxide glycol, polypropylene oxide triol, polytetrahydrofuran ether diol and 3001 polyester polyol, and a plasticizer, are weighed and placed in a reactor filled with nitrogen, stirring the materials at the temperature of 75-95 DEG C and reacting for 15-30 minutes; (2) adding toluene diisocynate, an emulsifier and a curing agent into the reactor, adjusting thewater bath temperature to 80-95 DEG C, and stirring for 30-50 minutes; (3) adding polyethylene glycol monomethyl ether, continuously reacting for 1-2h, dropwise adding a cross-linking agent and a chain extender, adding deionized water to adjust the solid content to 40-60%, continuously reacting for 1-2h, and performing cooling; and (4) adding talcum powder into the raw materials obtained in the step S3, and performing uniform stirring to obtain the waterborne polyurethane shielding material. The material is waterborne polyurethane, can realize good bonding and shielding effects, and has the advantages of high viscosity, reusability, simplicity in operation, no pollution in after-treatment and the like.