44 results about "Polyvinyl chloride" patented technology

Disclosed herein is a back-grooved laminate wood flooring in which a wood veneer of high pressure resin impregnation laminate (WPL) is laminated on a base selected from a vinyl chloride (PVC) resin layer, on oriented strand board (OSB), a high-density fiberboard (HDF) and a waterproof plywood. More specifically, the back-grooved laminate wood flooring comprises a WPL (20), an adhesive layer (40) and a base (10) (a polyvinyl chloride resin layer, OSB, HDF or waterproof plywood) wherein the WPL (20) includes a base-reinforcing layer (24), a natural veneer layer (23), a resin-impregnated overlay layer (22) and a surface UV coating layer (21) layered in this order from the bottom. The back-grooved laminate wood flooring further exhibits excellent soundproofing performance.

Rasticizer compositions comprising epoxidized fatty acid mono-esters and epoxy-esters are provided. The plasticizer compositions are free of compatibilizer and may contain metal perchlorates and/or phenolic antioxidants and/or conventional plasticizers. The compositions are useful for reduced extraction and lower volatility of halogenated polymers containing the compositions. The plasticizer compositions give reduced extraction of at least 15%. A process for making the plasticizer compositions is also provided. A method of reduced plasticizer extraction from halogenated polymers, such as polyvinyl chloride, is further provided. The plasticizer compositions may be added to PVC resins in effective amounts ranging from 1 and 200 phr.

A high-thixotropy polyvinyl chloride plastic sol composition consists of polyvinyl chloride 20-30wt%, dimeric acid polyamide 1.5-2.0wt%, closed isocyanate 1.5-2.0wt%, thixotropic agent 0.5-2.0wt%, filler 30-50wt% and plasticizer 20-30wt%. It's fast curing and has long storage time at normal temperature.

The invention provides an electrochemical pipeline erosion corrosion testing device. A sample adopted in an experimental facility is a real pipeline which is clamped by PVC (polyvinyl chloride) flanges at two ends and connected into a pipeline by the same, and the flange at one end is used for mounting of a solid-state reference electrode. A cylindrical electrode is adopted as an auxiliary electrode which is positioned on a central axis of the pipeline, a water-facing end of the auxiliary electrode which is conically shaped is inserted into a central circular ring of an externally-connected flange and has functions of supporting and position adjusting, and a thread is formed in an outer side of a water outlet end of the auxiliary electrode, is fixed in the center of a titanium alloy flangeand has functions of fixing and supporting. The electrochemical pipeline erosion corrosion testing device has the advantages that the sample in the experimental facility is tubular and can be obtained by cutting a real pipeline or processing a bar material, an internal flow state in an annular tube section of the sample is similar to that in a real pipeline, mounting is facilitated, and testing efficiency can be improved; by a three-electrode connection manner, stability maintaining of medium flow state inside an experimental pipeline can be facilitated, a testing result is enabled to be morestable and reliable, and analysis of a corrosion mechanism of a material in a pipeline erosion corrosion environment can be facilitated better.

The invention relates to a combined type anti-fatigue cushion and a production method thereof. Vesicants with different amounts are added into polyvinyl chloride powder to form the anti-fatigue cushion as a whole in a foaming way or the existing finished polyvinyl chloride products are planished into tablets and then wear layer sizing material is arranged on the tablet to form the anti-fatigue cushion in a foaming way. The anti-fatigue cushion of the invention comprises a bottom foaming layer and a wear layer which covers the bottom foaming layer. On the one hand, the hardness of the bottom foaming layer is less than that of the wear layer, thus obtaining more elasticity and effectively relieving feelings of fatigue when users stand on the cushion. On the other hand, the polyvinyl chloride material can be saved so as to reduce the production cost of the anti-fatigue cushion.

The invention provides a novel acrylic pressure-sensitive adhesive. The raw materials for preparing the novel acrylic pressure-sensitive adhesive at least comprise acrylic acid, acrylate, a solvent, an initiator and a plasticizer. The novel acrylic pressure-sensitive adhesive provided by the invention has a simple formula, is not added with additives such as an anti-aging agent, tackifying resin,and a softener, and has good adhesive property to most polar material surfaces or porous material surfaces, such as metals, cement, paper, wood, and ceramics. At the same time, the novel acrylic pressure-sensitive adhesive also has good adhesive property to plastics and fibers such as polyvinyl chloride, polyester, polystyrene and polyolefin treated by corona. The pressure-sensitive adhesive provided by the invention can be reused, can still maintain good adhesive characteristics after being pasted and peeled off for many times, and the peeling strength does not obviously drop; and the pressure-sensitive adhesive can be easily separated from an adhered object and does not cause transfer of an adhesive layer after being adhered for a long period of time or after being subjected to a large amount of pressure.

The invention relates to a production method for preparing polyvinyl chloride fibers for hair by a melting method, which belongs to the production field of polyvinyl chloride fibers. The production method is realized through the following steps: (1) mixing PVC resins, a plasticizer, a stabilizing agent, a lubricant, an antioxygen agent, and organic montmorillonite according to a certain proportion; (2) performing melting and spinning by a screw extruder; (3) stretching fibers spun in the step (2), processing the stretched fibers by an extraction agent, further stretching the processed fibers so as to obtain dimensionally stable PVC fibers for hair; (4) recycling the plasticizer separated by distilling residual treating liquids, and the extraction agent with a low boiling point. The residual volume of the plasticizer in the PVC fibers prepared by the production method disclosed by the invention is small, the migration of small molecules during the use of products is effectively avoided, and the contractility of the fibers is greatly lowed, so that the lustrousness of the fibers is more similar to that of human hair. The technological method is simple, the cost is saved, and continuous high-efficiency production can be realized.

The invention relates to an aluminum-plastic compositedoor and window section bar, whichcomprises a polyvinyl chloride (PVC) section bar and an aluminum alloy thin section bar, wherein the aluminum alloy thin section bar is arranged on the outdoor side of the PVC section bar; the upper part of the PVC section bar is providedwith a slope facing the indoor side, the middle of the PVC section bar is providedwith a vertical surface, and the bottom of the PVC section bar is providedwith a raised line; the aluminum alloy thin section bar consists of an upper reverse enveloping part, a middle convex part and a lower reverse enveloping part; a main body part of the upper reverse enveloping part is fitted with the slope; a first hook is arranged on the end part of the upper reverse enveloping part and is fastened to the inside end of the slope; a cavity is formed between the middle convex part and the vertical surface; a main body part of the lower reverse enveloping part is fitted with the lower end of the vertical surface; and a second hook is arranged on the lower reverse enveloping part and is fastened to the inside face of the raised line. The aluminum-plastic compositedoor and window section barhas the beneficial effect that the air tightness and water tightness of doors and windows are improved; and the aluminum alloy on the outer surface is diversified in decorative color and style and can adapt to buildings with variousfacades.

The invention discloses aging-resistant polyvinyl chloride plastic. The aging-resistant polyvinyl chloride plastic is prepared from components in parts by weight as follows: 50-70 parts of polyvinyl chloride resin, 30-50 parts of calcium carbonate powder, 3-6 parts of a plasticizer, 2-4 parts of a stabilizer, 2-5 parts of an ACR aid, 1-2 parts of stearic acid, 1-3 parts of nano titanium dioxide, 3-5 parts of an ultraviolet light absorber, 2-3 parts of an antioxidant, 1-2 parts of a coupling agent and 0.5-4 parts of a colorant. The invention further discloses a preparation method of the aging-resistant polyvinyl chloride plastic. Filler, a lubricant, the colorant and other additives are stirred with polyvinyl chloride at the high speed, so that all the additives are uniformly mixed, and a plastic product is uniformly colored and has good antibacterial and anti-aging effects. Meanwhile, the stirring temperature is lower than 100 DEG C, the mixture can be directly added to an extruder or an injection molding machine after stirring, a high-temperature granulation process is omitted, the production process is simplified, and decomposition polyvinyl chloride and release of hydrogen chloride gas can be reduced.

The invention discloses an insulated fireproof coating for optical cables. The insulated fireproof coating comprises, by weight, solvent oil No.200, ethylene glycol, silicate, glass powder, calcium carbonate, polytetrafluoroethylene powder, epoxy resin, porcellanite, aluminum oxide, silicon nitride, antimony trioxide, mica powder, silicon carbide, maleic anhydride, silicone rubber, vermiculite, titanium dioxide, melamine, pentaerythritol, mineral fibers, powdery polyvinyl chloride, boride and an auxiliary agent, wherein the auxiliary agent refers to a leveling agent or defoaming agent. The insulated fireproof coating for the optical cables has the advantages that the coating is excellent in fireproof, insulated and flame-retardant performance and highly resistant to high temperature; when the coating expands after being heated, a compact uniform fireproof heat-insulated layer is formed; the coating has excellent physical and chemical properties and is quick to dry, resistant to damp, acid, base and water and remarkable in fireproof and heat-insulated effect, so that safety of electric wires and cables can be guaranteed effectively.

Disclosed are a coldly-stamped formed composite hard plate and a production process. The coldly-stamped formed composite hard plate is formed by stamping a polyamide film/composite glue/aluminum substrate/composite glue/polyvinyl chloride hard plate in a cold manner, and is characterized in that base coating is painted on the surface of an aluminum substrate and is bi-component chemical materials composed of closed polyisocyanates and polyester-epoxy block co-polymer, the aluminum substrate is fed into a drying tank consisting of 4-6 drying boxes to dry, is cooled by the air after drying and is wound by a coating machine after being subjected to cooling by an S-shaped water cooling roller, and the wound aluminum substrate is cured by being disposed in a curing chamber with the temperature of 50 DEG C for 2 days. The composite glue is coated among the wound aluminum substrate cut according to the conventional process and the polyamide film and the polyvinyl chloride hard plate, and the wound aluminum substrate, the polyamide film and the polyvinyl chloride hard plate are composited and formed in a cold stamping manner by a dry type compositing machine. Compositing firmness between the polyamide film and the aluminum substrate is enhanced, and the defects of cracking and layering of the composite hard plate materials due to cold stamping are overcome.

The invention belongs to the technical field of plastic and discloses a shell plastic for computer display screens and a preparation method of the shell plastic. The shell plastic is prepared from, by weight, 35-40 parts of acrylonitrile-butadiene-styrene copolymer, 15-20 parts of polycarbonate, 8-10 parts of polyvinyl chloride, 6-8 parts of polytetrafluoroethylene, 3-5 parts of chlorinated polyethylene, 5-7 parts of silicon rubber, 3-5 parts of polybismaleimide, 5-8 parts of 2-hydroxy-4-octoxydiphenyl ketone, 4-6 parts of molybdenum disulfide, 8-12 parts of red phosphorus, 7-9 parts of melamine polyphosphate, 16-18 parts of calcium carbonate, 10-13 parts of magnesium hydroxide, 7-11 parts of a plasticizer, 2-4 parts of a lubricant, 1-2 parts of a stabilizer and 2-4 parts of an antistatic agent. The shell plastic is simple in preparation, excellent in physical performance and great in fire resistance and high temperature resistance.

The invention discloses an anti-corrosion power protection pipe which is characterized by being prepared from the following raw materials in parts by weight: 100-130 parts of polyvinyl chloride, 2-4 parts of magnesium hydroxide, 0.1-0.4 part of stearic acid, 6-10 parts of calcium carbonate, 0.2-0.5 part of sodium lignosulfonate, 1-2 parts of nano antimony trioxide, 0.5-1 part of sodium oleate, 0.4-1 part of a silane coupling agent kh550, 0.5-0.8 part of hexamethylphosphoramide, 1-2 parts of a quartz powder, 2-3 parts of wollastonite fiber, 1-2 parts of an anti-aging agent 4010, 2-3 parts of urea, and a proper amount of water. The added hexamethylphosphoramide, quartz powder, wollastonite fiber and urea are mixed under certain conditions, so that the dispersion, compatibility and the like of a filler in PVC are promoted to a great extent, corrosion resistance, aging resistance, flame retardancy, and high mechanical strength and toughness are also improved, and the service life of the anti-corrosion power protection pipe is prolonged.

The invention relates to the technical field of extrusion and processing of plastic products, in particular to a color bending-resistant co-extruded section bar reflecting infrared rays, which comprises, by weight part, 100 parts of acrylic acid-styrene-acrylonitrile copolymer or polymethylmethacrylate, 0-110 parts of polyvinyl chloride (PVC) and 5-16 parts of stabilizing agent. A color bending-resistant co-extruded granular material reflecting the infrared rays is obtained by adding a dry mixed potassium titanate crystal whisker material treated by a silane coupling agent, the color bending-resistant co-extruded granular material reflecting the infrared rays and a PVC dry material with a processing agent are prepared into the color bending-resistant co-extruded section bar reflecting the infrared rays through a special co-extruding mold, and color co-extruded doors and windows made of the color bending-resistant co-extruded section bars reflecting the infrared rays have the functions of reflecting the infrared rays, insulating heat and strengthening resistance to deformation. Under the action of the infrared rays, the thermal deformation degree of the color co-extruded doors and windows is reduced, the service life of the color co-extruded doors and windows is prolonged, and the reduction of the sealing performance of the color co-extruded doors and windows is avoided.

The invention relates to a flame retardant tris(hydroxyethyl) isocyanurate trisilicate propyl bromide compound and a preparation method thereof. The compound has a structure shown in the specification, wherein -OC3H6Br is 2-bromo-1-propoxy or 1-bromo-2-propoxy or a mixture of the 2-bromo-1-propoxy and the 1-bromo-2-propoxy. The preparation method comprises the following steps: dropwise adding bromopropanol into an organic solution of silicon tetrachloride at a temperature being below 25 DEG C and reacting for 2 hours at 45 DEG C, wherein the molar mass of the bromopropanol is equal to that of the silicon tetrachloride; dropwise adding an organic solution of tris(hydroxyethyl) isocyanurate and reacting for 9-12 hours at 80-95 DEG C, wherein the molar mass of the organic solution of the tris(hydroxyethyl) isocyanurate is 1/3 that of the silicon tetrachloride; cooling to the temperature being below 55 DEG C, dropwise adding the bromopropanol, and reacting for 8-10 hours at 80-90 DEG C, wherein the molar mass of bromopropanol is 2-3 times that of the silicon tetrachloride; adding an acid binding agent, preserving heat and stirring for 1 hour; performing purification to obtain the flame retardant tris(hydroxyethyl) isocyanurate trisilicate propyl bromide. The compound disclosed by the invention is suitable to be as the flame retardants of the materials such as polyvinyl chloride, polyurethane, epoxy resin and unsaturated resin, is simple in preparation process and low in cost, and can be put into industrial production easily.

The invention relates to an insulating PVC (polyvinyl chloride) glove and a preparation method thereof. The insulating PVC glove comprises, by weight, 100 parts of PVC resin powder, 45-95 parts of a plasticizer, 1-1.5 parts of a stabilizer, 20-35 parts of a viscosity reducer, and 8-15 parts of an insulation modifier. Compared with common PVC gloves, the insulating PVC glove has good insulating property, is suitable for power system workers to wear and use, is simple to produce, has low cost since it is formed by impregnating, fills the blank of the insulating PVC glove field, and has very highmarketing competitiveness.

The invention discloses a high-density polyvinyl chloride drainage board and a preparation method thereof, and particularly relates to the technical field of waterproof materials. Thehigh-density polyvinyl chloride drainage board comprises a drainage board body, wherein a stud is arranged on one side of the drainage board body, an inserting groove is formed in one end of the drainage board body, and an inserting bar is arranged at the other endof the drainage board body; guiding grooves are formed in the inner walls of the two sides of the inserting groove, and guide bars are arranged onthe two sides of theinserting barcorrespondingly;an embedding groove is formed in the outer side of the top end surface of theinserting groove; and a sealing plate is arranged at the top end of the inserting groove in a matched mode. According to the high-density polyvinyl chloride drainage board andthe preparation method thereof, by using the matched type inserting groove and the inserting bar as well as the guide grooves and the guide bars, the connection convenience between the adjacent drainage board bodies can be greatly improved, the sealing plate is fixed in the inserting groove by a locking bolt, so that the connection between the two adjacent drainage board bodies is more stable, meanwhile, by adding flat glass fibers and glass flakes to a formula, the compressive strength of the drainage board can be greatly improved, and the water absorption rate can be reduced.

The invention discloses an automatic sprinkler irrigation device, which comprises a main body and a spray head. The lower end of the main body is connected with a first motor through a main shaft, and a base is fixed at the lower end of the first motor. The bearing is connected to the water pipe, a connecting rod is arranged on the outside of the main body, and a nozzle is installed on the outside of the connecting rod, a cover is fixed on the upper end of the main body, a second motor is installed on the right side of the connecting rod, and the upper end of the second motor is set Useful sprinkler. The automatic sprinkler irrigation device is equipped with a nozzle, and the shape of the nozzle is fan-shaped, and the nozzle is made of polyvinyl chloride, so that the water in the device can be sprayed in a fan shape through the nozzle, which can effectively cover the area in front of the nozzle and will not affect other directions. Sprinkling irrigation can effectively prevent the sprayed water between the two devices from covering each other, which wastes water resources and reduces the working efficiency of the device.

The invention discloses an anti-static warning tape base material. The anti-static warning tape base material consists of a polyvinyl chloride film, an antistatic agent, a weather-resisting agent, a corrosion-resisting agent and a dispersing agent, wherein the antistatic agent refers to sodium dithiocarbamate, the weather-resisting agent refers to 2-hydroxy-4-(n-octyloxy) benzophenone, the corrosion-resisting agent refers to silicon dioxide and the dispersing agent refers to ethylene bis stearamide. The anti-static warning tape base material is prepared from the polyvinyl chloride film and various additives. The prepared tape base material is good in waterproof, dampproof, weather-resisting, corrosion-resisting and anti-static properties, can be adhered to grounds, walls and machines to play warning, stopping and emphasizing roles, and has a long service life.

The invention relates to the field of production filler for polyvinyl chloride (PVC) materials and particularly relates to a method for preparing ardealite filler for producing a PVC material. The method comprises the steps of mixing ardealite and water so as to obtain ardealite slurry, adding an alkali calcium increasing solution, which accounts for 2.5-3% the mass of the ardealite, into the ardealite slurry, then, carrying out soaking for 1-1.5 hours, then, carrying out high-temperature heating for 15-30 minutes, then, adding hydroxypropyl methylcellulose into the material so as to adjust the pH of the material to 7.0 to 7.6, then, carrying out microwave heating for 3-5 minutes, then, feeding the heated material to a layering filter tank, carrying out stirring and standing, then, removing supernatant, and baking a lower-layer material, thereby obtaining the ardealite filler. According to the method disclosed by the invention, the steps are simple, the operation is easy, the equipment requirements are low, the energy consumption and time consumption are low, the physicochemical properties of the filler are good, and the lipophilicity of the ardealite is improved, so that macromolecular substances are adsorbed to the surface of the ardealite, and then, the polarity difference between the ardealite and macromolecules is alleviated.

The invention discloses a method and equipment taking waste automotive plastic as a raw material to prepare waste plastic powder and then utilizing the waste plastic powder for a polyvinyl chloride composite material. The polyvinyl chloride composite material is prepared by mixing polyvinyl chloride resin, waste automotive plastic powder, a plasticizer, a lubricant and a crosslinking agent according to a certain proportion and processing. The waste automotive plastic powder is obtained by subjecting the waste automotive plastic large in quantity, extensive in source and low in value to screening, cleaning, drying and smashing into powder, then the waste automotive plastic powder is used as a filler to prepare the polyvinyl chloride composite material. The method has the advantages that thecharacteristic that the waste automotive plastic powder and a polyvinyl chloride matrix are high in wettability, and the prepared polyvinyl chloride composite material is good in mechanical performance, low in cost, easy in industrialization, wide in market prospect and remarkable in economic and environment-friendly benefit.

The invention discloses a PMMA/PC-based high-performance polaroid, which consists of a base film, and a protective layer, a haze adjusting layer, a light-transmitting electrode layer and a functional layer which are sequentially stacked on one side of the base film, the base film is prepared from the following raw materials in parts by weight: 100-120 parts of PMMA (Polymethyl Methacrylate) resin, 80-100 parts of PC (Polycarbonate) resin, 5-10 parts of glass fiber, 10-20 parts of PVC (Polyvinyl Chloride) resin, 0.5-0.8 part of a toughening agent, 0.1-0.3 part of a dispersing agent and 0.1-0.3 part of a flatting agent. The PMMA and PC materials are selected to replace TAC materials, the production cost of the polaroid is greatly reduced, and the round polaroid which is high in performance, capable of being reeled to reeled, full in manufacturing process and wide in viewing angle is obtained from the aspects of design, regulation and control of a polaroid base film raw material formula.

The invention discloses a hot rolled steel curled edge burr trimming and shoveling device which comprises a mechanical trolley. One end of each transverse pipe is fixedly sleeved with a gear ring, the side wall of each gear ring is attached to the inner side wall of a box body, the outer section of each transverse pipe is round, the inner section of each transverse pipe is square, the other end of each transverse pipe penetrates out of the corresponding box body and is fixedly sleeved with a limiting ring, and the side wall of each limiting ring is attached to the side wall of the corresponding box body; each box body is rotatably connected with the corresponding transverse pipe, the inner side wall of each box body is fixedly connected with a motor, the output end of an electric telescopic rod is not in contact with each transverse pipe, each transverse pipe is fixedly sleeved with a blade, the surface of each box body is fixedly sleeved with a cover body, the outer arc surfaces of the blades are attached to the inner walls of the cover bodies, the inner top surface of one box body is fixedly connected with a PLC, the model of the PLC is CPM1A-10CDR-A-V1, the model of the double-shaft motors is 180M1-8-1.7k/W, the cover bodies are made of polyvinyl chloride materials, the wall thickness of the transverse pipes is 1.5 cm-2.0 cm, the two blades can be accurately aligned with the side wall of a steel coil, meanwhile, the steel coil can be cleaned, manual cleaning is not needed, the working efficiency is improved, and the use requirement is met.

The invention provides a shock-proof and easily-replaceable horseshoe and a manufacturing method thereof. The horseshoe comprises an upper-layer part, a middle-layer part and a lower-layer part which are in successive connection, wherein the upper-layer part is made of soft plastic, and the shape of the top surface of the upper-layer part matches with the shape of the surface of a horse hoof; a plurality of upper nail holes are dispersed on the upper-layer part along the edge of a profile; the middle-layer part and the lower-layer part are of a U-shaped structure, and a plurality of middle nail holes are dispersed on the middle-layer part; and the middle-layer part and the lower-layer part are in connection through screws. According to the invention, the upper-layer part is made of soft plastic, such as silicone rubber, polyvinyl chloride (PVC), polyurethane (PU), etc., and a design of complete coverage can protect the whole bottom part of the horse hoof. Meanwhile, a wear-resisting material is utilized to manufacture the lower-layer part which generates friction with the ground, and a geometric contact surface capable of completely fitting with the surface of the horse hoof is provided, so frequency density of replacement of the horseshoe can be reduced; thus, opportunities of injuring of horses due to all-over nail holes on the horseshoe and nailing of hoof nails.

The invention discloses a cement nanometer toughening agent for petroleum and natural gas well cementation. The cement nanometer toughening agent comprises the following components in parts by weight:100 parts of clear water, 40-80 parts of condensed nano silicon powder, 5-10 parts of flexible particles, 1.2-1.5 parts of hydroxypropyl starch and 0.1-0.3 part of polyvinyl chloride fiber, wherein the flexible particles are styrene thermoplastic elastomers. A preparation method is simple, and the cement nanometer toughening agent can be obtained only by weighing the components according to a certain weight ratio and then uniformly mixing and stirring the components; the cement nanometer toughening agent liquid for natural gas well cementation has good compatibility with cement paste; according to the invention, on-site construction requirements can be met, the elastic modulus of the set cement is reduced on the premise of ensuring the compressive strength of the set cement, so that the impact resistance of the annular set cement is strong, the annular set cement can bear the influence caused by large-scale fracturing and alternating stress change of a gas storage well shaft, and theservice life of oil-gas wells is prolonged.