72results about How to "Improve high temperature and high humidity performance" patented technology

The invention provides a high polymer transparent conductive film and a preparation method thereof. The high polymer transparent conductive film comprises a resin substrate layer, a conductive layer and a resin fixing layer, wherein the conductive layer is positioned above the resin substrate layer, and has a plurality of seams for allowing the resin substrate layer to expose; the resin fixing layer is positioned above the conductive layer and in the seams; the conductive layer comprises a conductive polymer and a conductive filler; the thickness of the resin fixing layer is smaller than 300 nm. According to the high polymer transparent conductive film, the resin fixing layer which is very thin is arranged above the conductive layer. The resin fixing layer is relatively high in softness, and can be used for effectively improving the softness of the whole high polymer transparent conductive film. More importantly, the seams for allowing the resin substrate layer to expose are formed in the conductive layer, so that the resin fixing layer above can penetrate into the seams and can be bonded with the resin substrate layer, and the adherence strength between the conductive film and the resin substrate layer can be effectively improved.

The invention discloses UV light-cured resin applied to a silver nanowire conductive film and a preparation method of the UV light-cured resin. The UV light-cured resin is prepared from the raw materials: polyurethane acrylate, active monomers, a solvent, a light initiator, a silver stabilizer, graphene quantum dots and ATO. Compared with the existing polyurethane acrylate UV light-cured resin, the UV light-cured resin provided by the invention is greatly improved in the aspects of water resistance, bending resistance, surface hardness and solvent resistance, and is more suitable for the silver nanowire conductive film.

The invention relates to the bee keeping technology, provides a breeding method for a good bee species for facility crop pollination, and aims at solving the problems that an existing good bee species for facility crop pollination is fewer, poor in quality and poor in pollination effect. The method comprises the steps that local Apis mellifera is bred, a Jolnalof bee species is introduced and bred, a single cross or backcross mode is adopted, and a good variety (strain) which meets the biological property of bees and can be used for effective pollination of facility crops is bred through many times of artificial insemination hybridization. The good properties of being high in collection, high in spawning rate, high in stress resistance, high in disease resistance, docile in temper, low in fodder consumption and the like are achieved, the movement enthusiasm of the pollination bees in a facility crop environment is remarkably improved, crop pollination is effectively achieved, and the pollination effect of the crops is improved.

The invention discloses a nuclear-powered ship cable high-flame-resistance low-smoke halogen-free sheath material, and a preparation method thereof. The nuclear-powered ship cable high-flame-resistance low-smoke halogen-free sheath material comprises, by weight, 30 to 50 parts of ethylene-acrylate copolymer, 10 to 30 parts of polyester elastomer, 10 to 30 parts of nylon elastomer, 10 to 30 parts of polyethylene, 5 to 20 parts of a compatilizer, 150 to 200 parts of a fire retardant, 10 to 30 parts of a flame retardant synergist, 5 to 15 parts of a radiation resistant auxiliary agent, 1 to 3 parts of an anti-oxidant, 0.5 to 2.5 parts of a processing auxiliary agent, and 0.5 to 2.5 parts of an auxiliary crosslinking agent.

The invention discloses an optical polyester film and a method of manufacture thereof.In the optical polyester film, at least one side of a biaxially stretched basic film is coated with a bottom coating, the bottom coating is made from the components according to percent by weight: 63-96% of water-based ultraviolet-cured polyurethane resin free of carboxylic acid, 3-30% of oxazoline cross-linking agent, and 1-7% of nano-scale anti-blocking particles that are 80 to 200 nm in particle size.The optical polyester film has excellent adhesion and high transparency, has good bonding resistance and is applicable to high-end film material fields such as LCD (liquid crystal display) display device field and high-end IMD (in-mod decoration) processing.

The invention discloses a silicone-modified OCA optical adhesive which utilizes compounding of 2-ethyl-1-dodecyl acrylate, polyester-modified acrylic functional group-containing modified polydimethylsiloxane and biphenyl methanol acrylate, to make characteristics of the high-temperature and high-humidity resistant monomer, the high-temperature resistant silicone monomer and the high-refractivity monomer be effectively synergized and perform excellent compatibility and adaptability; further, other raw material components are adjusted to achieve higher adaptability. Therefore, the OCA optical adhesive can participate in a polymerization reaction according to a controlled living polymerization (RAFT polymerization) method, and has the advantages of low modulus, good hydrophobic property, andgood initial adhesion performance; performances such as resistance to humidity, heat, impact and aging of the OCA optical adhesive are enhanced. The invention further discloses a preparation method ofthe silicone-modified OCA optical adhesive, an optical adhesive tape using the silicone-modified OCA optical adhesive, and a preparation method of the optical adhesive tape.

The invention relates to the technical field of thermal management of electronic components, and particularly discloses a flame-retardant, insulating and reliable pouring sealant based on phase-changemicrocapsules, which is prepared from the following components in percentage by mass: 25 to 40 percent of double-component pouring sealant, 25 to 35 percent of phase-change microcapsules, 30 to 45 percent of flame retardant and 1 to 15 percent of other auxiliary agents. The invention also discloses a preparation method of the pouring sealant. The preparation method comprises the following steps:carrying out surface treatment on the phase-change microcapsules; compounding a flame retardant; and preparing the pouring silica gel. The surface of the phase change microcapsule is treated, so thatthe dispersity of the phase change microcapsule in colloid is improved, and meanwhile, the stability of the system is improved. By adding the phase change microcapsules, the heat storage and temperature control capability of the pouring sealant can be enhanced. The pouring sealant provided by the invention has good heat storage and temperature control performance and good high-temperature and high-humidity resistance.

The invention relates to a PC/ABS alloy with excellent damp-heat aging resistance and a preparation method thereof. The PC/ABS alloy comprises the following components in parts by weight: 50-80 partsof PC resin, 20-45 parts of ABS resin, 2-5 parts of a flexibilizer, 0.5-5 parts of a hydrophobic agent, 0.1-2 parts of an antioxidant and 0.1-2 parts of a lubricant. The preparation method of the alloy comprises the following steps: (a) adding the PC resin, the ABS resin, the hydrophobic agent, the flexibilizer, the antioxidant and the lubricant into a mixing stirrer and mixing the materials, and(b) blending and granulating the mixture obtained in the step (a) through a double-screw extruder, and carrying out melt extrusion and granulation to obtain the PC/ABS alloy. Compared with the prior art, the low-molecular-weight hydrophobic additive is adopted to enhance the damp-heat aging resistance of the PC/ABS, and the PC/ABS material with excellent long-term damp-heat aging resistance can beprepared.

The invention provides a dealcoholized room temperature vulcanized silicone rubber sealant and a preparation method thereof. The sealant comprises, by weight, A, 100 parts of hydroxyl-terminated polydimethylsiloxane; 0.5-4 parts of an end-capping reagent; 0.01-0.1 part of an end-capping catalyst; 10-30 parts of dimethyl silicone oil; 80-150 parts of a reinforcing filler; 3-8 parts of a cross-linking agent; 0.5-3 parts of a silane coupling agent; and 0.5-5 parts of a moisture curing catalyst. According to the invention, the end-capping reagent is adopted to carry out end capping on the hydroxyl-terminated polydimethylsiloxane, the preparation process is rapid, simple and convenient, the reaction degree is high, the residual silicon hydroxyl is few, and the sealant has excellent high-temperature and high-humidity resistance and storage performance, and can be applied to sealing and bonding in the industries of electronics, photovoltaics, household appliances, automobiles and the like.

The invention provides a low-reflection-color neutral low-stress resin lens and a preparation method thereof. The low-reflection-color neutral low-stress resin lens comprises a resin lens substrate, ahardening layer and an antireflection layer, wherein the substrate, the hardening layer and the antireflection layer are sequentially arranged, the hardening layer is located on the surface of the resin lens substrate, and the antireflection layer is located on the surface of the hardening layer; the antireflection layer is mainly formed by alternately arranging niobium-titanium composite oxide (composed of Nb2O5 and TiO2, wherein the Nb2O5 accounts for 75%-95% of the molar fraction of the material) layers and low-refractive-index material layers, namely, special low-stress SiO2 film layers.By adjusting the structure of the antireflection layer, the resin lens meeting the antireflection rate is obtained, and meanwhile, a color neutral lens product with a good visual effect is obtained. By strictly controlling the material composition and the preparation process, the temperature resistance and the environmental resistance of the resin lens for preparing glasses are greatly improved, and the resin lens has good application and market prospects.

The invention provides a PET heat shrinkable sleeve material with high temperature and high humidity resistance and a preparation method of the PET heat shrinkable sleeve material. The PET heat shrinkable sleeve material with high temperature and high humidity resistance is prepared from the following components in percentage by mass: 45%-65% of PET, 10%-20% of PEN, 10%-25% of PCTG, 1%-2% of TPE,2%-10% of TPEE, 0.1%-3% of a hydrolysis resistant stabilizer and 0.1%-2% of an antioxidant, and the sum of the mass percentages of the components is 100%. The PET heat shrinkable sleeve material adopting the technical scheme not only has good shrinkage performance, but also has excellent mechanical strength and rigidity, and the most outstanding characteristic is that the PET heat shrinkable sleeve material has excellent high temperature and high humidity resistance after shrinkage, and is not brittle for 500 hours or longer especially when a double 85 high temperature and high humidity resistance test is carried out, and the high temperature and high humidity resistance is much higher than that of PET heat shrinkable sleeves on the common market.

The invention discloses a high-temperature-resistant and high-humidity-resistant flame-retardant PC plastic as well as a preparation method and application thereof. The flame-retardant PC plastic is prepared from the following raw materials in parts by weight: 100 parts of PC resin, 0.001 to 0.1 part of a pH buffering agent, 1 to 7 parts of a toughening agent, 0.1 to 1 part of a lubricating agent,0.1 to 7 parts of a flame retardant, 0.1 to 1 part of an antioxidant and 0.1 to 10 parts of other auxiliary agents. The preparation method comprises the following steps: uniformly mixing all the rawmaterials in proportion, feeding the mixture into a double-screw extruder through main feeding, plasticizing, exhausting, plasticizing again, vacuumizing, decompressing, extruding and granulating to obtain the product. The high-temperature-resistant and high-humidity-resistant flame-retardant PC plastic is suitable for lighting electric appliances, photovoltaics, IT, mobile phones and the like.

The invention discloses an optical polyester film and an optical laminated polyester film.At least one face of a biaxially oriented base film of the optical polyester film is coated with a bottom coating containing an adhesive and anti-adhesion particles, and the adhesive is prepared from, by weight, waterborne ultraviolet light cured polyurethane resin 40-90%, waterborne polyester resin 9-40% and epoxy resin 1-20%.The polyester film layer has excellent initial adhesion to an optical functional layer, also has good adhesion under the conditions of high temperature and high humidity, meanwhile has high transparency and excellent adhesion resistance and is suitable for the fields of LCD, PDP and other display devices.

The invention discloses a photovoltaic storage battery sealant based on ethoxyethyl carbonate and furfuryl carboxylate and a manufacturing method thereof. The sealant is manufactured from a component A and a component B, wherein the component A is prepared from 2-propenoic acid-2-methyl-2-(dimethylamino) ethyl ester, ethyl acetate, dicyclohexyl phthalate, a fire retardant, mica powder, Irganox5057, and a thermal conducting filler; the component B is prepared from bi-monomer, SBS resin, stannous octoate, a silant crosslinking agent, a platinum or platinum complex, a defoaming agent and a silane tackifier. The materials in the component A and the component B are subjected to processing production respectively, and the sealant is obtained through processing of a vacuum kneading machine and a reaction kettle. Due to the good fire retardant and the thermal conducting filler, by means of mixing of other substances, the content of bubbles inside the sealant is small, and the sealant has the advantages of being excellent in cohesiveness, excellent in high temperature resistance and high humidity resistance, good in flame retardant, heat conduction and electric insulation performance, high in curing speed, convenient to operate and the like.

The invention discloses a methoxy ethyl ester and glycerol trilaurate based sealant for photovoltaic storage batteries and a manufacturing method of the methoxy ethyl ester and glycerol trilaurate based sealant. The methoxy ethyl ester and glycerol trilaurate based sealant comprises a component A and a component B; the component A comprises methoxyethyl methacrylate, dimethyl nylon acid, dinonyl phthalate, a flame retardant, precipitated calcium carbonate, IrgastabPUR68 and heat conducting filler; the component B comprises lauryl methacrylate, polyether rubber, dibutyltin dilaurate, a silane crosslinking agent, platinum or platinum complex, an anti-foaming agent and a silane tackifier. Materials of the component A and the component B are processed and produced respectively to obtain the sealant through a vacuum kneading machine and a reaction kettle. By the favorable flame retardant and the heat conducting filler and mixing of other materials, the sealant is low in air entrapment and has advantages of excellent adhesion performance, high temperature resistance, high humidity resistance, favorable flame retardation and heat conduction performances, good electrical insulating property, quickness in curing, convenience in operation and the like.

The invention relates to an oxide sintering body, an oxide sputtering target, a conductive oxide thin film and a method for manufacturing the oxide sintering body. The oxide sintering body is characterized in that the oxide sintering body contains In, Ti, Zn, Sn and O, the content of In relative to that of Ti satisfies a relational expression 3.0<=In/Ti<=5.0 when represented by an atomic number ratio, the content of Zn and Sn relative to that of In and Ti satisfies a relational expression 0.2<=(Zn+Sn)/(In+Ti)<=1.5 when represented by an atomic number ratio, and the content of Zn relative to that of Sn satisfies a relational expression 0.5<=Zn/Sn<=7.0 when represented by an atomic number ratio. The volume resistivity of the oxide sintering body is low, DC sputtering can be performed, and a transparent conducting film with a high index of refraction can be formed.

The invention relates to PU matte white finish paint and a preparation method thereof. The white finish paint consists of A, B and C components according to a mass ratio being 1 : 0.5 - 0.6 : 0.5 - 0.7; the A component consists of 40-60% of lauric alkyd resin, 0.5-2% of a dispersing agent, 3-6% of anti-settling slurry , 25-38% of titanium dioxide, 3-6% of a flatting agent, 0.5-2% of a leveling agent, 0.5-2% of a antifoaming agent, 1-3% of n-butyl acetate 1 and 0.5-3% of propylene glycol monomethyl ether acetate 1; the B component consists of 40-60% of n-butyl acetate 2, 10-20% of a TDI trimercuring agent, 15-30% of TDI prepolymer 1 and 10-20% of a HDI trimer curing agent; and the C component consists of 45-60% of n-butyl acetate 3, 35-45% of propylene glycol monomethyl ether acetate 2 and5-10% of xylene. The obtained white finish paint is strong in adhesive force, high in hardness, good in adherence, resistant to high temperature and humidity, excellent in comprehensive performance and wide in application field.