Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

39results about How to "Retain heat resistance" patented technology

PMMA/wood plastic composite rostone material and the preparing method thereof

InactiveCN101531799AKeep easy to cleanRetains its easy-to-cleanEpoxyPolymer science
The invention relates to PMMA / wood plastic composite rostone material and the preparing method thereof. The composite material is made of wood plastic material and scagliola, which has good mechanical property. The product can reduce the used thickness of scagliola for about fifty percent without losing case hardness and mechanical strength. The material composition of the wood plastic can use one or a plurality of polypropylene(PP), polyvinyl chloride(PVC), polyethylene(PE), daicel, PET, epoxide resin, phenolic resin or other plastics with thermoplasticity and thermosetting, which are regarded as substrate to be squeezed out or stamped. The structure of the wood plastic material can be hollow or substance plate. The scagliola can made of one or a plurality of unsaturated polyester resin, acrylic acid modified resin, mixture of resin and rock powder, which can be obtained by diepressing solidifying reaction or moulding by casting method. For the combination of wood plastic material and the scagliola, once casting moulding method can be used or suitable environment friendly bond can be used for jointing according to the difference of materials.
Owner:青岛泰旭木业有限公司

Zirconium corundum heavy load strong abrasive band

The present invention relates to abrasive belt, and is especially one kind of powerful zirconia corundum supported abrasive belt comprising cloth base, adhesive and grinding material zirconia corundum adhered onto the cloth base. It features the adhesive comprising thermosetting phonetic resin 28-36 wt%, diphenol propane type epoxy resin 4-8 wt%, melamine resin 1-4 wt%, boron 0.2-0.6 wt%, dispersant 0.1-0.3 wt%, coupling agent 0.1-0.3 wt%, diluent 3-6 wt%, fluoride salt 45-60 wt%, fluoride of inert gas 0.5-1 wt%. The abrasive belt has high heat resistance high adhesion strength at high temperature, capacity of softening metal surface and lowering surface hardness, no damage to metal surface and high grinding efficiency.
Owner:JIANGSU FENGMANG COMPOUND MATERIAL SCI&TECH GRP CO LTD

Preparation method of self-adhesive pure polyimide composite paper

ActiveCN108071042ARetain thermal performanceRetain radiation resistancePaper coatingPaper/cardboardFiberPapermaking
The invention relates to a preparation method of self-adhesive pure polyimide composite paper. The preparation method comprises the following steps: under the protection of nitrogen, adding diamine monomers and dianhydride monomers into an aprotic polar solvent for reacting; then, adding a catalyst to perform a polymerization reaction to obtain a polyimide stock solution; filtering, defoaming, diluting, and injecting into a precipitation solution to obtain a polyimide precipitation fibre suspension; washing, filtering and drying to obtain polyimide precipitation fibres; mixing the polyimide precipitation fibres and polyimide chopped fibres to obtain a homogeneous slurry; papermaking, squeezing and drying to obtain polyimide composite paper; performing solvent spraying after-treatment, coldpressing, and drying to obtain the self-adhesive pure polyimide composite paper. According to the preparation method of the self-adhesive pure polyimide composite paper, the solvent spraying after-treatment is adopted, part precipitation fibres are dissolved, and a film-fibre coexisting state is formed after a solvent is removed so that the obtained composite paper has the strength of the film, also has the characteristics of paper, remains original heat resistance, irradiation resistance, electrical performance and the like of polyimide paper, has higher strength, and can meet the application with higher requirement on the environment.
Owner:DONGHUA UNIV

Polylactic acid/polyester alloy and preparation method thereof

The invention relates to a polylactic acid / polyester alloy and a preparation method thereof. The polylactic acid / polyester alloy comprises the following components in percentage by weight: polylactic acid, polyester, a compatilizer, a flexibilizer, an antioxidant and a lubricant. The preparation method comprises the following steps: firstly, proportioning the raw materials and mixing at a room temperature; and respectively carrying out melting extrusion, carrying out ultrasonic treatment at the first late stage, extruding at the second stage and pelletizing, so as to obtain degradable, high-impact-resistant and high-heat-resistant polylactic acid / polyester alloy. Compared with an existing method, the controllable ultrasonic treatment is utilized; and a similar polylactic acid-g-polyester structure is formed by in-situ reaction, so that the heat resistance of the polyester and the biodegradability of the polylactic acid are reserved; and meanwhile, a toughening system with a core-shell structure is formed in an alloy system through interface interaction of a special toughening compatilizer, so that the alloy product with high impact resistance, high heat resistance and high biodegradability can be obtained.
Owner:FINE BLEND POLYMER SHANGHAI CO LTD

PMMA/wood-plastic artificial stone composite material and preparation method thereof

InactiveCN104231425AKeep easy to cleanRetains its easy-to-cleanEpoxyThermoplastic
The invention relates to a PMMA / wood-plastic artificial stone composite material and a preparation method thereof. The composite material is formed by compounding a wood-plastic material and artificial marble, has good mechanical performance, and can ensure that the thickness of the artificial marble is reduced by 50% on the condition that the surface hardness and mechanical strength are not reduced. The wood-plastic material can be one or more of the following components: polypropylene (PP) base, polyvinyl chloride (PVC) base, polyethylene (PE) base, polyformaldehyde base, PET base, epoxy resin base, phenolic resin base or other thermoplastic and thermosetting plastics, the wood-plastic material is subjected to extrusion and mold pressing as a base, and the wood-plastic material can be of a hollow or solid plate structure. The artificial marble can be of one or more of an unsaturated polyester resin type, an acrylic modified resin type and a resin-rock powder blending type, and is obtained by adopting mold-pressing curing reaction or casting molding. The wood-plastic material and artificial stone can be compounded by adopting one-time casting molding or can be adhered by adopting proper environmental protection type adhesion agents according to different materials.
Owner:QINGDAO KANGWEILONG COMMODITY COMPANY

Modified cyanate ester resin and preparation method and uses thereof

A modified cyanate ester resin which is a low-viscosity liquid at ordinary temp and its preparing process are disclosed. It has higher comprehensive property and lower viscosity, so it can be shaped by RTM technology and ordinary temp.
Owner:梁国正 +5

Crystalline polyaryletherketone nanofiber membrane and preparation method and application thereof

The invention discloses a crystalline polyaryletherketone nanofiber membrane and a preparation method and application thereof and belongs to the technical field of electrostatic spinning. According tothe method, an electrostatic spinning technology is utilized, and a soluble polyaryletherketone-polyaryletherketone-1,3-dioxolame or polyaryletherketone imine solution is adopted for preparing the crystalline polyaryletherketone nanofiber membrane. The method has the advantages that the operation is simple, there is no need to adopt external aids, the cost is low, large-scale production can be achieved, the limit caused by the insolubility of polyaryletherketone in an organic solvent to a processing method is broken through, and the excellent heat resistance, radiation resistance, chemical corrosion resistance, fatigue resistance, impact resistance, creep resistance, wear resistance, flame retardance and mechanical property of crystalline polyaryletherketone are retained. The crystallinepolyaryletherketone nanofiber membrane prepared by means of the method is controllable in fiber diameter and thickness, does not require the external aids and high-temperature treatment, can be normally used under severe conditions and can be applied into fuel cells, super capacitors and lithium ion batteries.
Owner:JILIN UNIV

Method for preparing multi-grain scale magnesium alloy sheet by non-uniform section rolling method

The invention belongs to the field of material preparation, and specifically discloses a method for preparing a multi-grain scale magnesium alloy sheet by a non-uniform section rolling method. The method for preparing the multi-grain scale magnesium alloy sheet by the non-uniform section rolling method comprises the following steps that (1), a non-uniform section sheet is formed, specifically, protrusions are formed in the surface of the formed non-uniform section sheet; (2) an annealing treatment is conducted; and (3) multiple passes of sheet rolling is conducted, specifically, a multi-grainscale sheet with uniform section is obtained through multiple passes of rolling. According to the method for preparing the multi-grain scale magnesium alloy sheet by the non-uniform section rolling method, a magnesium alloy sheet is rolled by different rolls, and a special heat treatment technology cooperates to prepare a multi-grain scale magnesium alloy sheet; and the heat resistance effect of arare earth magnesium alloy material retains while high strength and plasticity are achieved.
Owner:NANJING UNIV OF SCI & TECH

Double-crosslinking-point monomer based carboxylic acid type ACM (acrylate rubber) and preparation method thereof

The invention discloses double-crosslinking-point monomer based carboxylic acid type ACM (acrylate rubber) and a preparation method thereof. The carboxylic acid type ACM is prepared from the followingmonomers in percentage by mass through polymerization: 65%-85% of alkyl acrylate monomers, 10%-30% of oil-resistant and low-temperature-resistant monomers and 3%-8% of vulcanization point monomers, wherein the vulcanization point monomers comprise butene diacid diester monomers and olefinic bond type unsaturated monomers containing carboxyl groups, and a mass ratio of the butene diacid diester monomers to the olefinic bond type unsaturated monomers containing carboxyl groups is 1:2-2:3; ester groups in the olefinic bond type unsaturated monomers are ether alcohol with the carbon atom number being 6-10. According to the prepared rubber, on the basis of reservation of low permanent compression set value, oil resistance and heat resistance of carboxylic acid type acrylate rubber, processability is further improved, smoothness of the rubber surface is improved, and obtained acrylate vulcanized rubber composition can be used for preparing parts such as a hydraulic oil delivery pipe, a cylinder gasket, a sealing gasket and the like of an automobile and a locomotive.
Owner:GUANGZHOU SHINE POLYMER TECH

Cold-construction non-curable rubber modified asphalt coating for waterproofing and preparation method thereof

The invention relates to a cold-construction non-curable rubber modified asphalt coating for waterproofing and a preparation method thereof, and belongs to the technical field of chemical engineering.The coating composition is prepared from the following raw materials in parts by mass: 20-40 parts of asphalt, 10-15 parts of thermoplastic rubber, 15-30 parts of a solvent, 8-12 parts of softening oil, 1-2.5 parts of a viscosity regulator, 8-10 parts of phosphated nano silicon oxide, 3-6 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, 15-30 parts of calcium carbonate powder and 1-3 parts of mineral fibers. According to the invention, the softening oil, the phosphated nano silicon oxide and the 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate are added into the waterproof coating tomodify the waterproof coating, so that viscosity of the coating is reduced, the flowing property of the coating is improved, the coating can be sprayed under a relatively low-temperature condition of60 DEG C or below, and high energy consumption and high pollution caused by high-temperature spraying are avoided. The coating can be widely applied to waterproofing, dampproofing and seepage proofingof important projects such as high-speed rails, subways, high ways, airports, underground pipe galleries, bridges, tunnels and the like.
Owner:山东省金帅防水材料有限公司

Novel insulated sealing material for chemical pump

The invention discloses a novel insulated sealing material for a chemical pump and a manufacturing method of the novel insulated sealing material. The novel insulated sealing material is prepared fromthe following raw material components in parts by weight: 89-113 parts of an organic fluorine thermoplastic elastomer, 8.5-13.5 parts of Al2O3, 45.5-61.6 parts of methicone, 27-49.5 parts of polypropylene, 17-27.5 parts of barium sulfate, 0.05-0.2 part of tetraethylenepentamine, 0.1-0.2 part of hexafluorobisphenol A, and 0.05-0.2 part of sulfonated-1,3-dibenzyl-2-methylimidazole. The novel insulated sealing material does not need to be vulcanized or only needs to be locally vulcanized, and can be machined in a circulating mode to form a thermoplastic vulcanized rubber system. The novel insulated sealing material has the active effects that by adjusting a formula and a manufacturing process, the breakdown voltage of a blend rubber material is increased, and meanwhile, it is ensured that indexes such as the hardness, mechanical performance, corrosion resistance and insulation resistance of the material meet the using requirements of the chemical pump.
Owner:安徽江南泵阀集团有限公司

Novel artificial stone material and preparation method thereof

InactiveCN106633463AKeep easy to cleanRetains its easy-to-cleanThermoplasticEpoxy
The invention relates to a novel artificial stone material and a preparation method thereof. The composite material is composited by a wood plastic material and artificial marble, has good mechanical property, and can reduce the usage thickness of artificial marble by 50% based on no loss of surface hardness and mechanical strength. The wood plastic material components can select one or more polypropylene group (PP) group, polyvinyl chloride (PVC ) group, polyethylene (PE) group, polyformaldehyde, PET group, epoxy resin group, phenolic resin group, or other thermoplastic or thermosetting plastics, which can be taken as a matrix for extrusion or moulding, and a wood plastic material structure can be a hollow or entity sheet material. The artificial marble can select one or more of unsaturated polyester resin type, acrylic acid-modified resin type, and a blending type of resin and rock powder, and the is obtained by a moulding solidification reaction or cast moulding. The wood plastic material and artificial stone are composited by primary cast moulding or applying by using an appropriate environment-friendly type adhesive according to different materials.
Owner:王欣欣

Wavelength conversion component and laser light source

ActiveCN110837198AStable thermal reliabilityImprove light conversion efficiencyProjectorsLaser lightFluorescence
The embodiment of the invention provides a wavelength conversion component and a laser light source, relates to the technical field of optical equipment, and solves the technical problems of low thermal reliability and low light conversion efficiency of the wavelength conversion component. The wavelength conversion component comprises a substrate, the substrate comprises a transmission area and atleast one wavelength conversion area, and a fluorescent layer is cured and formed in the wavelength conversion area. The transmission area is used for transmitting laser, and the fluorescent layer isused for being excited by the laser to generate fluorescence. According to the invention, the fluorescent layer is directly cured and formed on the wavelength conversion area, so that the intervention of other connecting media is avoided, the high heat resistance of the fluorescent layer is reserved to the maximum extent, and meanwhile, the heat exchange efficiency between the fluorescent layer and the substrate is greatly guaranteed due to the close fit of the fluorescent layer and the substrate. Thus, the thermal stability and the light conversion efficiency of the wavelength conversion component are ensured.
Owner:QINGDAO HISENSE LASER DISPLAY CO LTD

Oil-resistant organic silicon sealant and preparation method thereof

The invention relates to the technical field of adhesives, and provides an oil-resistant organic silicon sealant and a preparation method thereof. The oil-resistant organic silicon sealant is preparedfrom the following components in parts by weight: 100-150 parts of alpha, omega-dihydroxypolysiloxane (107 silicone rubber), 10-20 parts of a ketoxime cross-linking agent, 1-3 parts of an amino silane coupling agent, 50-200 parts of a filler, 0.1-0.3 part of a tin catalyst, 10-50 parts of an oil-resistant additive and 2-10 parts of white carbon black. The problems that an existing oil-resistant organic silicon sealant is high in manufacturing cost, poor in high-temperature resistance and the like are solved.
Owner:FUJIAN CHANGDE PLASTIC IND

Preparation method of high-finish polytetrafluoroethylene tube

PendingCN114228095AEasy to integrateImprove the problem of incomplete impregnationCoatingsPolymer sciencePolymer chemistry
The invention belongs to the technical field of polytetrafluoroethylene materials, and particularly relates to a preparation method of a high-smoothness polytetrafluoroethylene tube. The preparation method comprises the following steps: (1) sieving a raw material polytetrafluoroethylene dispersion resin; (2) mixing the materials; (3) curing; (4) performing; (5) extruding; (6) drying and sintering; and finally, the polytetrafluoroethylene extrusion pipe obtained after drying and sintering in the step (6) is subjected to PFA emulsion impregnation. Compared with the existing polytetrafluoroethylene tube, the smoothness of the polytetrafluoroethylene tube prepared by the preparation method is completely and thoroughly improved. The preparation method is simple in process, easy to operate, good in process continuity and suitable for large-scale industrial production.
Owner:SHANDONG DONGYUE POLYMER MATERIAL

Maleimide resin composition and application thereof

The invention discloses a maleimide resin composition and application thereof, and belongs to the technical field of high polymer materials. The composition comprises the following components in parts by weight: 10-40 parts by mass of maleimide resin with the structure shown in the description, 30-70 parts by mass of one or a mixture of two of maleimide resin with the structures shown in the description and 10-40 parts by mass of a cross-linking agent, wherein n is an integer of 1-5, R1 is an organic group with 1-20 carbon atoms, R2 to R5 are independently hydrogen atoms or alkyl groups containing 1-4 carbon atoms, and m is an integer of 1-6. According to the invention, the maleimide resin with different structures are compounded by utilizing the trifunctional cross-linking agent containing a rigid benzene ring structure, the toughness, the electrical property and the heat resistance of the maleimide resin composition are balanced under the optimal proportion, and the maleimide resin composition is used for electronic product components such as prepregs, copper-clad laminated boards or printed circuit boards.
Owner:NANYA NEW MATERIAL TECH CO LTD

A kind of synthetic method of epoxy-terminated polythioether liquid rubber

The invention discloses a synthetic method for epoxy end group polythioether liquid rubber. The method comprises the following steps: synthesizing sulphydryl end group polythioether liquid rubber by using thiodiglycol, hydroxyethyl-2-hydroxypropyl thioether and the like as main monomers; then using polyethylene glycol diglycidyl ether resin as a transforming agent so as to transform a sulphydryl end group into an epoxy end group so as to finally generate the end group polythioether liquid rubber. The technology has the advantages that the polyethylene glycol diglycidyl ether resin is adopted as the transforming agent of the end group, the defects that the viscosity of a sulphydryl in traditional epoxy modification technology is high, solvents of toluene, butanone and the like are needed to perform dilution, the reaction exotherm is violent, and a side effect is easy to generate are overcome; reactions are smooth, the product quality is easy to control, the viscosity of the generated epoxy end group polythioether liquid rubber is moderate, and the stability is good; the strength of epoxy resin and the toughness and the heat resistance of polythioether rubber are reserved after the end group is transformed, so that the brittleness of the epoxy resin is improved, and the adhesive property of materials is improved.
Owner:锦西化工研究院有限公司

Windproof and breathable garment with good heat resistance

InactiveCN104432877AAchieve windproof and breathable effectOvercome the defect of not being resistant to moisture environmentProtective garmentSpecial outerwear garmentsFiberHeat resistance
The invention relates to a windproof and breathable garment with good heat resistance. The garment includes a garment body (1). The front piece of the garment body (1) is provided with a breathable layer (2) and a windproof layer (3), and the breathable layer (2) is arranged inside and made of bamboo fibers. The garment body (1) is made of fabric composed of a polysulfonamide fabric layer, bonding layers and coatings, wherein the bonding layers are made of high polymer materials; the coatings can give good waterproof and breathable performance to the fabric; the bonding layers and the coatings are alternately distributed three times. When a wearer needs to exercise, zippers are pulled open, the windproof layer is detached, and therefore the windproof and breathable effects are achieved. The fabric of the garment reserves the heat resistance, the heat stability and the dimensional stability at elevated temperature of polysulfonamide fabric and further overcomes the defect that the polysulfonamide fabric does not resist to a moist environment; meanwhile, the fabric has good waterproof and breathable effects, and therefore the application range of the polysulfonamide fabric is enlarged.
Owner:周忠平

Modified cyanate ester resin and preparation method and uses thereof

A modified cyanate ester resin which is a low-viscosity liquid at ordinary temp and its preparing process are disclosed. It has higher comprehensive property and lower viscosity, so it can be shaped by RTM technology and ordinary temp.
Owner:梁国正 +5

A kind of double crosslinking point monomer carboxylic acid type acrylate rubber and its preparation method

The invention discloses a double crosslinking point monomer carboxylic acid type acrylate rubber and a preparation method thereof. The carboxylic acid type acrylate rubber is obtained by polymerizing the following monomers calculated by mass percentage: 65%-85% of alkyl acrylate monomers; 10%-30% of oil-resistant and low-temperature resistant monomers; 3%-30% of vulcanization point monomers 8%; wherein, the vulcanization point monomers include butenedioic acid diester monomers and ethylenically unsaturated monomers containing carboxyl groups, and the butenedioic acid diester monomers and carboxyl group-containing The mass ratio of the ethylenically unsaturated monomers in the group is 1:2 to 2:3; the ester group in the butenedioic acid diester monomer is an ether alcohol with 6 to 10 carbon atoms. The rubber prepared by the present invention further improves the processing performance and improves the smoothness of the rubber surface on the basis of retaining the low compression set rate, oil resistance and heat resistance of the carboxylic acid type acrylate rubber, and the obtained acrylate vulcanizate composition can be used for Preparation of hydraulic oil pipes, cylinder gaskets, gaskets and other components for automobiles and locomotives.
Owner:GUANGZHOU SHINE POLYMER TECH

Garment good in heat stability and capable of charging mobile phone

The invention relates to a garment good in heat stability and capable of charging a mobile phone. The garment comprises a garment body (1), cuffs of the garment body (1) are provided with miniature power generating equipment (2), a lithium battery (3) is arranged on the front portion of the garment body (1), the miniature power generating equipment (2) is connected to the lithium battery (3) through wires, and a terminal of the lithium battery (3) is connected with a USB interface (4). The garment is made of fabric. The fabric is composed of a polysulfonamide fabric layer, bonding layers made of high polymer materials and coating layers enabling the fabric to be good in waterproofness and breathability, wherein the bonding layers and the coating layers are distributed alternately in sequence three times. The garment can charge the mobile phone and is good in heat stability.
Owner:翟文卓

High-heat-resistant garment allowing releasing of body surface static electricity

InactiveCN104413739AOvercome the defect of not being resistant to moisture environmentGood waterproof and breathable effectProtective garmentSpecial outerwear garmentsHeat resistanceMetal sheet
The invention relates to a high-heat-resistant garment allowing releasing of body surface static electricity. The high-heat-resistant garment comprises a garment body (1). A lining of the garment body (1) is provided with metal wires (2); sleeves of the garment body (1) are provided with metal sheets (3); the metal wires (2) are connected with the metal sheets (3); the garment body (1) is made of shell fabric comprising a polysulfonamide fabric layer, bonding layers of polymer material and coatings allowing the shell fabric to be waterproof and breathable; the bonding layers and the coatings are alternately distributed thrice. The high-heat-resistant garment allows the body surface static electricity to be released, is capable of balancing the body surface static electricity and is good in heat resistance.
Owner:黄磊

Thermostable garment with videoing function

The invention relates to a thermostable garment with a videoing function. The thermostable garment comprises a garment body (1), a front body of the garment body (1) is provided with a micro camera (2), and an upper pocket of the garment body (1) is provided with videoing equipment (3) while a lower pocket of the same is provided with storage equipment (4). The garment body is made by fabric which comprises a polysulfonamide fabric layer, bonding layers made by a high polymer material, and coatings enabling the fabric to be high in waterproofness and breathability, and the bonding layers and the coatings are alternately distributed for three times in a front-rear manner. When a criminal and illegal event occurs, the videoing equipment can video criminal personnel and the criminal and illegal event, and video can be copied from the storage equipment to serve as evidence to protect harmed personnel. The thermostable garment is thermostable.
Owner:JIANGYIN YOULITE IND & TRADE

High-heat-resistance garment easy to put on and take off

The invention relates to a high-heat-resistance garment easy to put on and take off, comprising a front part (1) and a back part (2). The top and two sides of each of the front part (1) and the back part (2) are all provided with magnet strips (3). The front part (1) and the back part (2) are made of shell fabric, comprising a polysulfonamide fabric layer, bonding layers of polymer material and coatings allowing the shell fabric to be good in water resistance and breathability; the bonding layers and the coatings are alternately distributed three times. The front part and the back part are attached to the body of a user with limb disabilities and are fastened via the magnet strips, and the garment can be put on simply, conveniently and quickly. The applicable range of the polysulfonamide fabric is widened.
Owner:JIANGSU HONGLIU BEDSHEET LIMITED
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products