55results about How to "Excellent water resistance" patented technology

The invention discloses a hydroxylated tung oil and an ester group-aminated preparation method, belonging to the technical field of organic chemosynthesis. In the method, under a certain condition, ester groups in the tung oil and diethanol amine are subjected to aminolysis reaction on the premise of reserving conjugated double bonds, thus the tung oil is hydroxylated to mainly produce a compound containing terminated hydroxyl and three conjugated double bonds. The structural formula of the compound is shown in the specification. The aminolysis reaction product plays an important role in developing and producing processes of leading the tung oil into waterborne polyurethane, not only can combine the advantages of the tung oil and the polyurethane, but also can improve the utilization ratio of tung oil resources as special local products in China and decrease the dependence on petroleum products; and simultaneously, the method has the advantages of simplicity, practicability, high conversion rate and convenience in industrialized production.

A polyamide resin composition includes (A) polyamide resin, (B) white pigment, and (C) sodium phosphate salt.

The invention provides a water-boiling-resistant and flame-retardant polypropylene composite material with a high glow-wire ignition temperature and a preparation method. The water-boiling-resistant and flame-retardant polypropylene composite material with the high glow-wire ignition temperature is composed of the following materials: 72-76 parts of PP resin, 24-28 parts of a nitrogen phosphorus intumescent-type flame retardant, 0.1-0.2 part of an anti-dripping agent, 0.2-0.3 part of an antioxidant, 0.4-0.6 part of a lubricant, and 0.1-0.2 part of a high-efficiency synergist. The flame-retardant polypropylene composite material prepared by the method guarantees the material to pass a UL94 1.6mm-V0 test and achieve high-efficiency flame retardance, and at the same time the flame-retardant polypropylene composite material has performance such as a high glow-wire ignition temperature (875 DEG C, GWIT), water boiling resistance (100 DEG C), precipitation resistance, low smoke and thermal oxygen ageing and discoloring resistance (150 DEG C).

The ink composition 60 is produced in such a way that the difference between dynamic surface tension(mN/m) and static surface tension(mN/m) determined at 24-26[deg.]C by maximum foam pressure method is 0-7(mN/m). The printing method comprises the following process. The ink composition 60 is reserved in the ink tank 50 of the ink head 1 and fed from the ink tank 50 into an ink chamber 40 with a jet nozzle 31, voltage is applied on a diaphragm section 12 formed of a piezoelectric material and pressure is applied on the ink composition 60 filled in the ink chamber 40 through the diaphragm section 12 to jet droplets of the ink composition 60 via the jet nozzle 31, and the droplets are put on a printing material to print images on the printing material.

The invention relates to an outer wall waterproof structure which comprises a polymer cement waterproof paint layer, seamed woven polyester cloth and a waterproof anti-crack mortar layer. An insulating layer or a leveling layer of an outer wall is coated with the polymer cement waterproof paint layer. The seamed woven polyester cloth adheres to the polymer cement waterproof paint layer and is coated with the waterproof anti-crack mortar layer. The outer wall waterproof structure is not prone to damage, the anti-crack performance and the waterproof effect are good, the wall can be effectively prevented from falling off, and the service life is long. According to the outer wall waterproof structure, good social benefits and economic benefits further can be achieved, personnel or property loss caused by fall-off of the wall can be avoided, replacement of the outer wall waterproof structure is reduced, and the maintenance cost is reduced.

The invention relates to a water-resistant adhesive and its production method. It is composed of water, PVA, acryl acid, butyl acrylate, acrylamide, styrene, ammonium, persulfate, NaHCO3. It is produced by: initiating monomer with an initiator in a PVA-water solution. The process is simple and cheap. The production doesn't discharge harmful wastes.

A self-dispersing colorant containing a triazine moiety and an ink composition including the same are disclosed. The ink composition has excellent storage ability. Further, images formed using the ink composition have excellent light fastness and excellent water resistance.

A method for producing a laminate, including a polymerization step of synthesizing a polyglycolic acid-based resin at a temperature of 200 to 220° C.; a mixing step of mixing 100 parts by mass of the polyglycolic acid-based resin with 0.016 parts by mass or more of a heat stabilizer under a condition that a highest temperature is between 275° C. and 295° C., thereby preparing a polyglycolic acid-based resin composition; and a forming step of forming the polyglycolic acid-based resin composition at a temperature of 230 to 265° C., thereby fabricating a laminate including a layer made of the polyglycolic acid-based resin composition.

The invention relates to a vinasse-based reinforced material for an artificial board and a vinasse-based non-formaldehyde adhesive prepared from the vinasse-based reinforced material. The vinasse-based reinforced material is a powdery product obtained by stirring, curing and smashing the following components by weight percent: 50% to 90% of vinasse, 10% to 35% of an inorganic material and 1% to 20% of a high-molecular waterproof material. The vinasse can be one or more of DDGS (Distillers Dried Grains With Soluble), DDG (Distillers Dried Grains) and DDS (Distillers Dried Soluble). The vinasse-based non-formaldehyde adhesive is prepared by stirring and mixing the following components by weight percent: 20% to 50% of the vinasse-based reinforced material, 0.1% to 5% of additive and the balance of water. The vinasse-based non-formaldehyde adhesive prepared from the vinasse-based reinforced material really realizes the purpose of non-formaldehyde release and can be used for overcoming the defects of high raw material cost, easy deterioration and poor water resistance of the existing biological adhesive. The bonding strength and the water resistance of the vinasse-based non-formaldehyde adhesive reach or excess those of the existing urea-formaldehyde adhesive and the existing phenol adhesive. Thus, the vinasse-based reinforced material can be used preparing various types of artificial boards.

The invention relates to a steel surface spraying process, and particularly relates to a steel surface spraying pretreatment agent. The phosphorus-free degreaser for surface spraying pretreatment of steel is a mixed solution prepared from the following components in mass concentration: 15-30 g/L anhydrous sodium metasilicate, 5-10 g/L sodium carbonate, 4-6 g/L alkylphenol ether sulfosuccinate sodium salt, 2-4 g/L sodium lauryl sulfate, 5-10 g/L fatty alcohol-polyoxyethylene ether, 2-4 g/L isopropanol, 0.2-0.4 g/L defoaming agent FAG470, 0.5-2.5 g/L disodium edetate and the balance of water. The invention can realize thorough degreasing at normal temperature, and is easy to perform cleaning operation and low in foam.

A non-methanal water-proof wood adhesive with biomass and its production are disclosed. It consists of biomass 10-300 proportion, liquefying agent 50-100 proportion, cross-linking agent and 10-100 proportion. The process is carried out by removing impurities, breaking, pre-treating, adding into liquefying agent, liquefying at 70-300íÒC and ¿C20atm for 5mins-24hrs, adding into cross-linking agent, heating, melting and agitating. It has better water-proof performance.

The invention discloses polyurethane resin for synthetic leather with high water pressure resistance. The polyurethane resin is mainly prepared from the following raw materials in parts by weight: 80-120 parts of polyester glycol, 80-120 parts of polyether glycol, 5-15 parts of glycol, 65-80 parts of diisocyanate, 600-700 parts of solvent, 0.01-0.05 part of catalyst and 0.1-0.5 part of terminator. By adopting the technical scheme, the prepared polyurethane resin disclosed by the invention has excellent water pressure resistance and has the characteristics of water resistance, hydrolysis resistance and the like; the synthetic leather prepared in a manner that the polyurethane resin is adopted as a surface layer has excellent water resistance and weatherability.

The invention discloses a transparent heat insulation film which is characterized by comprising a transparent film substrate and a heat insulation coating; the heat insulation coating comprises the following components in mass percent: 20%-40% of polyurethane acrylate, 10%-20% of organosilicon modified polyester acrylate, 25%-50% of monomer, 5%-20% of POSS-carbon-nano-tube-ATO hybrid material, 4%-6% of photoinitiator, 0-10% of organic solvent, 2%-3% of ultraviolet absorber, and 0.3%-1.5% of additive; the sum of the mass percent of all the components is 100%, wherein through the use of the POSS-carbon-nano-tube-ATO hybrid material, not only is the heat insulation effect enhanced, but also the ultraviolet ageing resistance and the wear resisting property of the coating can be improved. The invention further provides a preparation method of the transparent heat insulation film; the prepared transparent heat insulation film is good in transparency, heat insulation effect and anti-ultraviolet effect, is simple in technology and low in cost.

The invention relates to a phototonus resin composite unlikely to change colors and its application. The composite comprises a 0.1 to 50 wt percent water dispersible polymer, 0.1 to 50 wt percent water solubility bond polymer, 0.1 to 50 wt percent photocureable compound, 0.5 to 40 wt percent thermosetting compound, 0.1 to 10 wt percent diazonium resin or bichromate and proper additive. Compared with the prior art, the invention has the characteristic of unlikely to change colors in the producing art of rotary silk screen after being exposed and dried on the basis of keeping organic solvent resistance.

The invention relates to a polyethylene composite antibacterial coating containing nanometer silver particles and a preparation method thereof. The polyethylene composite antibacterial coating containing nanometer silver particles comprises polyethylene and nanometer silver particles uniformly distributed in polyethylene, wherein the mass fraction of the nanometer silver particles in the polyethylene composite antibacterial coating containing the nanometer silver particles is no less than 0.0714 wt%, preferably 0.0714 to 0.714 wt%. The preparation method of the invention has the advantages ofeasy operation, low spraying temperature, high efficiency, etc.; since a thermal spraying process is not utilized, the degradation and oxidation of polyethylene are effectively prevented, and the physical and chemical performance of the polymer is maintained unchanged. The polyethylene composite antibacterial coating containing the nanometer silver particles is applicable to the industries of foodpackaging, medical apparatuses and instruments, space equipment materials and the like. The coating can effectively reduce the consumption of Ag.

The invention discloses a flexible basic structure for a high speed railway ballastless track and a laying method of the track. The structure comprises an asphalt base layer and an asphalt surface layer, wherein the asphalt base layer and the asphalt surface layer are sequentially arranged from bottom to top, the asphalt base layer is bonded with the asphalt surface layer through a middle binding layer, the asphalt base layer is of a composite structure and comprises at least three modified epoxy asphalt concrete layers, and the different modified epoxy asphalt concrete layers are bonded through internal binding layers; a lower binding layer is arranged on the lower surface of the asphalt base layer, and an upper binding layer is arranged on the upper surface of the asphalt surface layer. The flexible basic structure has enough strength and durability and other performance, and meanwhile transverse resistance, elastic coefficients, vibration attenuation and noise reduction effects and waterproof and anti-freeze performance of the basic structure are superior to those of a rigid basic structure of cement concrete.

To provide a method for producing a steel component integrally having a rubber portion without necessity to remove by a lathe turning a film formed on the surface of a steel component by a chemical conversion treatment and without deterioration of water-resistant adhesive property and anti-corrosion property during production steps due to omission of the chemical conversion treatment, the method for producing a steel component integrally having a rubber portion includes the steps of subjecting a surface of a steel component to a chemical conversion treatment with iron phosphate as a ground treatment (step S3), partially coating an adhesive on a portion to which a rubber portion is to be bonded (step S4), and bonding the rubber portion via baking to the steel component (step S5).

The invention discloses a method for preparing an ultra-low toxicity wooden urine-formaldehyde resin adhesive. The method comprises the following steps: formaldehyde, urea, alkali and acid are added with polyvinyl alcohol, propylene sulfonate and melamine and carry out fractionated reaction in a reaction kettle; the PH value of the mixture is between 7.8 and 8; the content of free formaldehyde is lower than 0.06 percent; and after the fractionated reaction, the mixture is of an glued shape and forms a finished product. The PH value of the adhesive is between 7.8 and 8; the content of the free formaldehyde is lower than 0.06 percent and is far lower than 0.3 percent prescribed by the national standard; and the ultra-low toxicity wooden urine-formaldehyde resin adhesive is superior to other resin adhesives in adhesive degree, strength and water resistance, is favorable for improving the environment, avoiding human health from harming, is also favorable for the export of furniture and plates of China and promotes the development of economy.

The invention discloses a high pollution-resistant styreneacrylic latex paint, which is mainly prepared by mixing the following raw materials according to the weight proportion: 157 parts of styreneacrylic, 13 parts of dispersing agent, 80 parts of deionized water, 15 parts of oxalic acid adipic dihydrazide, 2 parts of dispersing agent, 4 parts of defoamer, 11 parts of mildew preventive, 23 parts of kaolin, 15 parts of titanium white, 15 parts of heavy calcium powder, 15 parts of texanol and 12 parts of polyethers thickening agent. The invention has the following advantages that: a coating is fine and smooth, and has an elegant mercerizing effect; and the high pollution-resistant styreneacrylic latex paint has good crack resistance, can make up the fine and small cracks of a base layer, has preeminent water resistance, alkali resistance, pollution resistance, weather resistance, and excellent light and color protection performance, can make wall bodies be new for a long time, and has mould resistance, antibiosis and ultraviolet radiation resistance.

An ink composition is prepared in such a manner that a difference between a dynamic surface tension (mN/m) measured by a maximum bubble pressure method at a temperature of 24 to 26 DEG C. and a static surface tension (mN/m) is within a range from 0 to 7 (mN/m). The ink composition is stored in an ink tank of an ink head, and is supplied from the ink tank to an ink chamber having a discharge port, and a voltage is applied to partitions formed by a piezoelectric material to apply a pressure by the partitions to the ink composition stored in the ink chamber, whereby a liquid droplet of the ink composition is discharged from the discharge port and the liquid droplet is deposited on a recording material to record an image.

The invention belongs to the technical field of waterproof materials and in particular relates to a compound waterproof roll for construction of a roof waterproof layer. A middle layer of the compoundwaterproof roll is a fabric structure layer; waterproof functional layers are arranged on double faces of the fabric structure layer; modified asphalt reinforcing layers are arranged on upper and lower surfaces of the waterproof functional layers; sticky enhancement layers are further arranged between the waterproof functional layers and the fabric structure layer. Each waterproof functional layer is prepared from the following components in parts by mass: chlorinated polyethylene resin, polyurethane resin, chloroprene rubber, titanium white, hydrophobic silicon dioxide, an antioxidant and acoupling agent; the antioxidant is an antioxidant 1010 or an antioxidant 168; the coupling agent is a silane coupling agent or a titanate coupling agent; the material of the fabric structure layer isa polypropylene fiber on-woven fabrics or a polyester gridding cloth. The compound waterproof roll provided by the invention has excellent waterproof and water-resisting performance and has good mechanical characteristics and anti-oxidization performance; the service life is relatively long.

The invention discloses a butyl rubber foam tape which comprises an adhesive, a base material and a primer. The adhesive and the primer are coated on two sides of the base material respectively, the adhesive comprises, by weight, 28-45% of butyl rubber, 23-37% of a plasticizer, 20-46% of a tackifier and 2-7% of fillers, ethylene-propylene-diene monomer (EPDM) foam is adopted for the base material, and a K-500 primer is adopted for the primer. According to the butyl rubber foam tape, the adhesive with the butyl rubber as a main component has good ageing resistance, high temperature resistance and low temperature adhesion, and the foam tape is better than other foam tapes in waterproofness and air tightness; the foam tape is in a soft state due to addition of the plasticizer, initial adhesion and peel strength of the foam tape are increased due to addition of the tackifier, the cost is low, mass production is facilitated, and the foam tape can be widely applied to automobiles.

The invention relates to a continuous color-changing interior decoration coating comprising the following components in percentage by weight: 82-88.0% of a polyurethane emulsion, 1.0-3.0% of a coordination compound, 3.0-5.0% of EFC-300, 5-7% of a filling material, 0.7-0.9% of TEGO Disper 752, 1.6-2% of a heteropolyacid photosensitizer, 0.08-0.12% of Foamaster A34, 0.08-0.12% of an SN-thickener 641 and 0.1-0.3% of Levelling 620. The continuous color-changing interior decoration coating disclosed by the invention can be changed into different colors under the illumination with different intensities; moreover, various properties and environmental friendliness of the coating are superior to the prior art.

The invention discloses a riverway slope protection device for a water conservancy project. The riverway slope protection device comprises a slope protection net which consists of more than one transverse slope protection plate and more than one longitudinal slope protection plate which are perpendicularly arranged in a staggered manner, wherein a buoyancy cavity is formed in the middle of each transverse slope protection plate; a water conveying channel is formed in the middle of each longitudinal slope protection plate; the water conveying channels are connected and communicate with the buoyancy cavities in the middles of the transverse slope protection plates; a water pipe is arranged at the bottom of each transverse slope protection plate; the water pipes are inserted into soil; a drain pipe is connected to the bottoms of the same row of water pipes; output ends of the drain pipes face a riverway; and a floating plate is mounted in each buoyancy cavity. The riverway slope protection device can collect rainwater on a slope; the collected rainwater can be discharged into the riverway through the more than one drain pipe; clay on the slope cannot be washed down by water accumulated on the slope; and the floating plates in the buoyancy cavities can float upward by means of the rainwater. Thus, the integral heights of the transverse slope protection plates are increased. The riverway slope protection device has a better water blocking capability and clay blocking capability.

The invention relates to a spring key switch structure which mainly comprises a light guide panel, a key, a pressure block, a printed circuit board, a support part, an annular spring and a sliding block. Pressure is applied to the key, and the sliding block is driven by the key through the pressure block to drive the annular spring to be displaced downwards, so that the annular spring is gradually expanded and deformed till forming contact with a conductive contact layer along the lower lateral surface of the annular groove to realize electric conduction; the pressure is removed, and the annular spring is separated from the conductive contact layer under the action of elastic force accumulated by expansion and deformation, and returns into an annular groove to realize electric disconnection. The spring key switch structure has the advantages of large travel, strong pressure, simplicity in assembling, high reliability, low contact resistance, long service life and the like, white light illumination, blue white light illumination or various light illumination compatible with night vision can be selected according to actual needs, and the capabilities of three proofing properties, dust prevention, waterproofness and the like of the spring key switch structure are higher than those of the conventional key switch.

The invention discloses a compound extreme pressure lithium-based lubricating grease additive and a preparation method thereof. According to the technical scheme disclosed by the invention, the compound extreme pressure lithium-based lubricating grease additive comprises the following raw materials in parts by weight: 100-120 parts of BS oil or high-viscosity synthetic oil, 10-15 parts of fluorine rubber, 3-5 parts of Span-80, 5-8 parts of thiadiazole derivatives and 1-3 parts of chlorine brominated alkyl phosphate flame retardant. The invention also discloses a preparation method of the compound extreme pressure lithium-based lubricating grease additive. The preparation method has the advantages of reasonable raw material formulation and advanced process, the production cost can be reduced and the addition of a plurality of additives in steps in the production process of the compound extreme pressure lithium-based lubricating grease is avoided, the produced compound extreme pressure lithium-based lubricating grease is more excellent in high temperature resistance, water spray resistance, adhesion resistance, extreme pressure anti-wear performance, oxidation resistance and the like and thus the produced compound extreme pressure lithium-based lubricating grease is more excellent in market competiveness.

The invention discloses a special antibacterial keyboard film for a notebook computer. The special antibacterial keyboard film is prepared from the following raw materials in parts by weight: 10 to 20parts of polymer polyol, 15 to 25 parts of polycarbonate, 13 to 24 parts of polyacrylate, 8 to 19 parts of diphenylmethane diisocyanate, 1 to 4 parts of polyimide resin, 4 to 9 parts of polyethyleneterephthalate, 2 to 6 parts of dioctyl phthalate, 2 to 5 parts of epoxy acrylate, 1 to 3 parts of calcium stearate, 3 to 6 parts of graphene oxide, 2 to 7 parts of nano titanium dioxide, 5 to 11 partsof modified nano-grade calcium carbonate, 1 to 2 parts of antibacterial agent, 2 to 3 parts of ultraviolet absorbent and 1 to 4 parts of anti-ageing agent. The special antibacterial keyboard film forthe notebook computer has good heat dissipation performance and has an antibacterial effect; meanwhile, the special antibacterial keyboard film has good stability and excellent water resistance and contractibility.

The invention provides a loudspeaker box comprising a lower cover, an upper cover that collectively forms an accommodating space together with the lower cover, a sounding unit accommodated in the accommodating space, a sound conducting channel formed in the accommodating space, and a welding rib, wherein the upper cover protrudes and extends to form a supporting wall, the sounding unit is supported on the supporting wall and is spaced from the upper cover to form a front sound cavity, and the sound guiding channel communicates the front sound cavity with the outside to form a front cavity; thewelding rib is formed by extending the peripheral edge of the sounding unit toward the supporting wall, the welding rib abuts against the supporting wall and is fixedly welded with the supporting wall through an ultrasonic welding process. Compared with the related art, the loudspeaker box provided by the invention has the advantages of good waterproof performance, excellent acoustic performanceand high assembly efficiency.

To provide an upright-paneling direct-paneling exterior-wall construction structure, which has a withstand-load performance to the weight of an exterior-wall plate, in which the front-rear places of the exterior-wall plate are positioned easily, which has an excellent waterproofness and the cost of which is reduced, a starter fitting used for the structure and an intermediate throating.In the upright-paneling direct-paneling exterior-wall construction structure, an exterior-wall plate 2 is fixed directly onto a structure skeleton 10 while the longitudinal direction is directed in the vertical direction. The starter fitting 3 and the intermediate throating 5 are disposed to an intermediate section. The base plate section 31 of the starter fitting 3 is superposed on the back plate section 51 of the throating 5, a leg section 35 is placed on the horizontal plate section 52 and fixed onto the skeleton 10, the plate 2 is borne by a bearing plate section 34 and an abutting plate section 33 is abutted against the rear side face of the plate 2. A sheathing board 53 for the throating 5 is extended down to the lower section of the horizontal plate section 52, and an elastic packing material 56 is disposed on a front. The upper end section of he plate 2 is covered with a front plate section 55 from a surface side face. A venting layer 11 is formed between the skeleton 10 and the plate 2.(C)2004,JPO&NCIPI.

A grain-oriented electrical steel sheet includes: a base steel sheet; an intermediate layer arranged in contact with the base steel sheet; and an insulation coating arranged in contact with the intermediate layer to be an outermost surface, in which a Cr content of the insulation coating is 0.1 at % or more on average, and when viewing a cross section whose cutting direction is parallel to a thickness direction, the insulation coating has a compound layer containing a crystalline phosphide in an area in contact with the intermediate layer.