40results about How to "Improve sticky effect" patented technology

The present invention discloses a weathering resistance modified asphalt waterproof coiled material, wherein a glass fiber felt or polyester felt is adopted as a reinforcement, a weathering resistance modified asphalt layer is coated on the upper surface of the reinforcement, a modified asphalt layer with the characteristic of easy hot melting is coated on the lower surface of the reinforcement, a mineral particle layer is covered on the upper surface of the weathering resistance modified asphalt layer, and a polyethylene film is covered on the lower surface of the modified asphalt layer with the characteristic of easy hot melting. According to the present invention, the weathering resistance modified asphalt waterproof coiled material has characteristics of long service life, high waterproof performance, low construction temperature, reduction of aging of the modified asphalt at the high temperature, and reduction of environment pollution, and can be used for industrial and civil building roofing waterproof projects at different temperatures in different regions.

The invention belongs to the field of polymer weak gel for a water-based drilling fluid and the preparation thereof and discloses a colloidal polymer, a preparation method thereof and a polymer weak gel drilling fluid. The colloidal polymer is formed by copolymerizing the raw materials according to a free radical solution polymerization method, wherein the raw materials include four monomers, namely alkenyl amide, allyl propyl sulfonic acid, alkenyl ammonium chloride and N,N-methylene bisacrylamide at a certain ratio. The relative molecular mass of the polymer is 20-40 ten thousands. The colloidal polymer disclosed by the invention has an excellent heat-resisting property (capable of resisting a temperature high up to 220 DEG C), is capable of maintaining strong colloidal property in an environment of high temperature and high mineralization degree and has an excellent de-filtration property; a base pulp system added with the polymer has a better rheological property, will not thickenat a high temperature and is capable of meeting the requirements of current deep drilling operations; the preparation method is simple, the condition is mild and the yield is higher.

The invention relates to composition, a preparation method and application of a solid cleaning adhesive. The solid cleaning adhesive comprises a hard monomer, a soft monomer, an organic solvent, an initiator, other functional aids and the like, and is prepared through polymerization and a series of posttreatment. The prepared solid cleaning adhesive is a solid cleaning product with certain adhesion, remove solid microparticles, dust and metallic pollution on surfaces and in gaps of chips and devices through the adhesion and high deformability of the surface of the material, ensures no residue or secondary pollution, cannot scratch or damage the chips and the devices, is harmless to a human body, and can be widely applied to semiconductors, microelectronic devices, printed circuit boards, television picture tubes, precision instruments, liquid crystal displays, computer keyboards, equipment in automobiles, mobile phones, audio / video equipment and the like.

The invention discloses a pressure bearable plugging agent for a marine drilling fluid and an application method therefor. The pressure bearable plugging agent consists of the following components in parts by weight: 10-20 parts of bauxite powder,10-20 parts of sodium soil, 20-35 parts of coal ash, 20-25 parts of wood fiber powder, 10-15 parts of composite salt-resistant polymer, 10-25 parts of furfural residue powder, and 0.5-1 parts of a crosslinking agent. When in use, 15-25 kg per cubic meter of a pressure bearable plugging agent is added to well drilling mud, then a drilling operation is performed; the pressure bearable plugging agent can greatly improve permeability resistance performance of drilling fluid, so that the drilling fluid and filtrate fluid of the drilling fluid are stooped from infiltrating into a deep portion of an oil-gas layer, thereby realizing near zero fluid loss drilling, and thus basically solving a pollution problem caused by the oil-gas layer in drilling engineering. Meanwhile, as the membrane structure is formed on a shallow surface of a permeable layer, and does not permeate the deep portion of the oil-gas layer; when there is a counter pressure in a wellbore, the plugging agent can be removed by itself; and a recovery value of permeability may be above 90%, thereby effectively protecting an oil-gas layer.

The invention discloses a macromolecular self-adhesive waterproof coiled material. A glass fiber mat or a polyester felt is used as an enhancing body; the upper surface of the enhancing body is coatedwith a modified asphalt layer; a mineral particle layer covers the upper surface of the modified asphalt layer; the lower surface of the enhancing body is coated with a thermoplastic polyolefin layer; a modified asphalt rubber layer is arranged between an upper covering layer and a middle tire body layer, and is prepared from the following raw materials in parts by weight: 50 to 62 parts of asphalt, 8 to 10 parts of reclaimed rubber powder, 15 to 25 parts of waste rubber powder and 1.5 to 2.5 parts of an ethylene-octylene copolymer. The waterproof coiled material disclosed by the invention islong in service life and high in waterproof property, aging resistance and heat resistance.

The invention discloses a compound coiled material. A glass fiber mat or a polyester felt serves as a reinforcement body, the reinforcement body is coated with a modified asphalt layer, the upper surface of the modified asphalt layer is coated with a mineral particle layer, and a thermoplastic polyolefin layer is coated below the reinforcement body. The modified asphalt rubber layer is arranged between the upper covering layer and an intermediate carcass layer; and the modified asphalt rubber layer is composed of the following raw materials in parts by weight: 50-62 parts of asphalt, 8-10 parts of reclaimed rubber powder, 15-25 parts of waste rubber powder and 1.5-2.5 parts of softening oil. The waterproof roll disclosed by the invention is long in service life and excellent in waterproofproperty, aging resistance and heat resistance.

The invention discloses a macromolecular composite cushion layer and a preparation method of the macromolecular composite cushion layer, the macromolecular composite cushion layer comprises a PP (polypropylene) non-woven fabrics layer (1), a coating layer (2) mixed by PP materials and PE (polyethylene) materials, and a PP woven cloth layer which are compounded in sequence, wherein an anti-skidding layer (4) is arranged on the PP woven cloth layer by the hot spray oil method. According to the macromolecular composite cushion layer, the composite cushion layer can have enough friction by a more environment-friendly method, the contractibility rate of the composite cushion layer is reduced, and the function is more stable.

The invention relates to the technical field of dust-sticking pads, in particular to an anti-static dust-sticking pad and a preparation method thereof. The anti-static dust-sticking pad comprises a dust-sticking pad body, a plurality of nanoscale suction holes are distributed in the surface of the dust-sticking pad body, the anti-static dust-sticking pad is prepared from a component A and a nanoscale suction hole generating liquid, and the component A is prepared from the following raw materials: organic silica gel, hydrogen-containing silicone oil, white carbon black, nano material powder, inorganic conductive powder, an antistatic agent, a dispersing agent, a cross-linking agent, a cross-linking accelerant and color masterbatch. According to the anti-static dust-sticking pad, the plurality of nanoscale suction holes are distributed in the surface of the dust-sticking pad body, the anti-static dust-sticking pad can easily stick dust on the contact surface so that dust-sticking effectsare obtained, the anti-static dust-sticking pad can be washed with water to remove dust on the surface of the dust-sticking pad body, the dust-sticking effect can be recovered after the anti-static dust-sticking pad is dried, the anti-static dust-sticking pad can be recycled so that the service life of the anti-static dust-sticking pad is prolonged, and compared with an existing multi-layer PE gluing pad, the anti-static dust-sticking pad is more environmentally friendly.

The invention relates to the technical field of building waterproofing, and discloses a pre-laid polymer waterproofing coiled material and a preparation method thereof. The pre-laid polymer waterproof roll material includes a carrier, an adhesive layer loaded on the carrier, and a protective layer loaded on the adhesive layer; the thickness ratio of the carrier, the adhesive layer, and the protective layer is 1 : 0.3-0.35: 0.05-0.20; the protective layer is a water-based fluorocarbon coating, and the water-based fluorocarbon coating contains two or more of the following components of tertiary fluorine emulsion, water, filler, pH Regulator, defoamer, thickener, dispersant. The weather resistance and anti-aging properties of the pre-laid polymer waterproof membrane provided by the invention are significantly improved.

The invention provides a motor dust cleaning protector comprising a housing, an ash adhering mechanism, a function disk and a motor. The housing includes a rear frame and a mounting plate; the mounting plate is arranged at one side of the rear frame; the ash adhering mechanism is arranged at the bottom of one side of the mounting plate; blast pipes are arranged at the middle part and top of one side of the mounting plate. The motor is installed inside the housing. The function disk is clamped to one side of the ash adhering mechanism and the ash adhering mechanism includes a button, a clampingblock, a dust adhering net, a pipe body, a pointing indicator, a spring, a transmission bar and a wire wheel set; the dust adhering net is arranged at one end of the pipe body; the button is installed at the middle part of the outer side of the pipe body; and the pointing indicator is arranged at one side of the button. According to the protector provided by the invention, the redesigning after motor removing is not needed; installation of the protector is convenient; the dustproof effect of the protector is good.

The invention discloses a weather-resistant modified asphalt waterproof coiled material, which uses glass fiber felt or polyester felt as a reinforcement body, a weather-resistant modified asphalt layer is coated on the reinforcement body, and a heat-melt modified asphalt layer is coated on the reinforcement body. The asphalt layer, the upper surface of the weather-resistant modified asphalt layer is covered with a mineral particle layer, and the lower surface of the easily hot-melt modified asphalt layer is covered with a polyethylene film. The weather-resistant modified asphalt waterproof membrane of the present invention has long service life, high waterproof performance, good aging resistance, low construction temperature, reduces the aging of modified asphalt under high temperature and environmental pollution, and can be used in different regions and environments Roof waterproofing works for industrial and civil buildings under high temperature.

The invention relates to cross-linked starch for drilling fluid and a preparation method thereof. The cross-linked starch for the drilling fluid is prepared through steps as follows: starch and organic phosphonate are esterified in an organic solvent under the presence of a buffer solution, then act with sodium chloroacetate under an alkaline condition and have a cross-linking reaction under the action of an initiating agent and a crosslinking agent, wherein with the weight of raw material starch as a reference, the weight fraction of other raw materials is as follows: organic phosphonate accounts for 5-10%, the organic solvent accounts for 30-40%, sodium chloroacetate accounts for 5-15%, the initiating agent accounts for 0.05-1%, the crosslinking agent accounts for 0.05-0.1% and a basifier accounts for 5-15%. The cross-linked starch for the drilling fluid has the advantages of good filtrate loss reduction, adhesion improvement, temperature resistance, salt resistance and the like and is high in stability.

The invention discloses a fluorescent adhesive for luring insects and a preparation method thereof, and belongs to the technical field of adhesive insect catching. The adhesive can enhance the 300-550nm wave spectrum in reflected light, and the light with the wavelength correspondingly captures different types of insect pests, so that the insect catching effect of the adhesive is improved under the condition that an insect trapping lamp is not specially arranged. When the irradiation light source irradiates from natural light to an electrical light source, insect pest luring of the corresponding spectrum can be completed through the trapper or the trapping sticky plate smeared with the glue. Any light source can enhance the sticky trapping effect of the trapper by smearing the glue to trap different kinds of pests; and the adhesive is not only suitable for storing beetles, but also suitable for indoor and outdoor flies, mosquitoes and winged insects and winged insect crawlers in the forest and fruit industry.

The invention relates to the technical field of building waterproofing, and discloses a pre-laid polymer waterproof coiled material and a preparation method thereof. The pre-laid polymer waterproof coiled material comprises a carrier, an adhesive layer loaded on the carrier and a protective layer loaded on the adhesive layer; the thickness ratio of the carrier to the adhesive layer to the protective layer is 1:(0.3-0.35):(0.05-0.20); and the protective layer is a water-based fluorocarbon coating, and the water-based fluorocarbon coating contains a tertiary fluorine emulsion, water, a filler, a pH regulator, a defoaming agent, a thickening agent and a dispersing agent which are stored in a mixed manner or independently stored. The weather resistance and the aging resistance of the pre-laid polymer waterproof coiled material provided by the invention are remarkably improved.

The invention relates to the technical field of primary processing of natural rubber, and discloses a preparation method of oxidized constant-viscosity natural rubber. Dissolve the oxidized constant viscosity agent in water to prepare a certain concentration of constant viscosity agent solution, add the prepared constant viscosity agent solution to the fresh latex, stir while adding, wait for the latex to solidify and mature for a certain period of time before dehydration, washing, Drying made permanent sticky natural rubber. Adding 200ppm to 400ppm constant viscosity agent to 1000g latex, the storage hardening value of the plastic initial value of the prepared natural rubber during accelerated storage is less than 2, and the storage hardening value of the Mooney viscosity is less than 4. The oxidation constant viscosity agent adopted in the method is safe and non-toxic, the preparation process of the constant viscosity natural rubber is simple, the constant viscosity effect is good, and the production cost is low.