80results about How to "Improve scratching effect" patented technology

The invention provides a chromium-free aqueous surface treatment useful as primer in producing precoated metal materials which are excellent in corrosion resistance, tight adhesion of coat (primary adhesiveness and secondary adhesiveness of coat in T-bend test), and coin scratch resistance. An aqueous surface treatment for environment-friendly precoated metal materials which contains (A) a silane coupling agent and/or a condensate of a silane coupling agent, (B) a metal oxide sol, (C) a metal compound, and (D) water-dispersible silica, wherein the metal compound (C) is at least one member selected from among compounds of V, W, Mo, Al, Sn, Nb, Hf, Y, Ho, Bi, La, Ce and Zn, and the (B)/(A) mass ratio is 1/50 to 10/1, the (C)/(A) mass ratio is 1/1000 to 4/10, and the (D)/(A) mass ratio is 1/50 to 10/1; and metal materials and chromium-free precoated metal materials, which have films made from the surface treatment.

A light reflecting film may be provided that improves the self-restoring property of a stretched section thereof when stretched and attached to a curved surface and that has excellent scratch resistance and light resistance, a production method for the light reflecting film, a decorative molding method may also be provided for the light reflecting film, laminated glass, and a curved surface body.

The invention provides a polyurethane specular putty paint which comprises an A component and a B component, wherein the mass ratio of the A component to the B component is (8:1)-(4:1); the A component is prepared from the following raw materials in percentage by weight: 30-30% of polyester resin, 0.2-0.4% of wetting dispersant, 0.6-0.8% of defoamer, 1-2% of anti-settling agent, 20-30% of talcum powder, 17-27% of activated calcium carbonate, 5-10% of barite powder and 6-10% of titanium dioxide; and the B component is a diphenylmethane diisocyanate curing agent. The invention also provides a polyurethane specular putty paint preparation method which is high in production efficiency. The polyurethane specular putty paint has the characteristics of high gloss, mellow state, excellent coating property, good polishing property, strong adhesive force, good flexibility, low cost and small toxicity; and the workability is excellent, the defects on the surface of a substrate or a coating after the paint is coated can be effectively repaired and then the service life of the substrate can be prolonged, so that the polyurethane specular putty paint can be widely applied to the hole filling, repairing and coating of surfaces of engineering machinery such as glass fiber reinforced plastics, steels and the like.

The invention relates to a latex paint collecting and scraping smoother, comprising screed and handgrip, where the screed is provided with a box- type paint collection chamber with flip cover, the bottom of the collection chamber is provided with interface, and the interface is connected with a recovery pipe connected with the collection chamber; and the handgrip is of a bracket structure and connected at an adjustable angle with an integral component comprising the screed and collection chamber. And it has characters of reasonable design, use convenience and good smearing effect, and can make the latex paint smooth, have full handle, good smoothness and extremely good integrity.

The invention relates to anti-sagging light gypsum for a ceiling. The light gypsum comprises the following raw materials in parts by mass: 100 parts of calcined gypsum, 25-35 parts of glass beads, 75-85 parts of water, 0.2-0.5 part of a thixotropic agent, 0.2-0.6 part of an adhesive, 0.2-.05 part of a water retaining agent, 0.3-0.9 part of a water reduction agent and 0.2-0.5 part of a retarder. The light gypsum is prepared by composite means of overall grain composition optimization, appropriate additive proportioning, and the like, related problems in construction procedures of heat preservation on floors of different families can be solved, and the light gypsum which is capable of preventing sagging and has high bonding strength can be prepared, so that the light gypsum is very applicable to ceiling construction, meanwhile, has excellent heat preservation performance, thus is capable of greatly reducing building operation energy consumption, and can be applied to industrial production.

Pigment layer intended particularly for the permanent marking of glass, based on a polymer matrix which reacts predominantly with pulverization to a high-energy beam, more particularly to laser irradiation, comprising at least one titanium donor and a carbon donor which provides free carbon under energy irradiation.

The invention discloses a super-hydrophobic wear-resistant graphene composite coating and a solar collector tube using the same. The super-hydrophobic wear-resistant graphene composite coating is formed by performing ultraviolet light curing on composite paint of graphene oxide and photocatalytic active nanoparticle titanium dioxide; the solar collector tube comprises a glass outer tube and a metal inner tube sleeved thereby, an airtight cavity is formed between the glass outer tube and the metal inner tube, the inner wall and the outer wall of the o glass outer tube are separately coated withanti-reflection coatings, and the outside of each of the anti-reflection coatings is coated with the super-hydrophobic wear-resistant graphene composite coating; and through physicochemical properties of graphene and titanium dioxide itself such as hydrophobicity and light transmittance, the solar collector tube coated with the same has the advantages of strong wear resistance, strong weather resistance, strong light transmittance and good self-cleaning capability, can effectively resist erosion of the collector tube by dust, and is suitable for desert areas with abundant light resources.

The invention relates to the technical field of machining machinery for foam particles, and particularly relates to a fully-automatic continuous film-covering drying production line for plastic foam particles. The fully-automatic continuous film-covering drying production line for the plastic foam particles comprises a film-covering mechanism, a feeding mechanism, a spraying device and a drying mechanism, wherein the film-covering mechanism comprises a film-covering box body provided with an inner cavity and a stirring device arranged in the film-covering box body; the stirring device comprises a rotary shaft; spiral sheets are axially arranged on the rotary shaft in the axial direction of the rotary shaft; the spiral sheets comprise continuous spiral sheets used for pushing materials anddiscontinuous spiral sheets used for carrying out uniform and comprehensive stirring on a film-covering liquid and the particles to enable the surfaces of the particles to be uniformly wrapped with the film-covering liquid; each discontinuous spiral sheet is composed of a plurality of tooth sheets in a spiral manner and at intervals; the left tooth side of one tooth sheet of each two adjacent tooth sheets and the right tooth side of the other tooth sheet are arranged on a spiral line; and the outer-side tooth side of each tooth sheet is arranged in a manner of approaching to and being tangential with the inner wall of the film-covering box body. According to the fully-automatic continuous film-covering drying production line for the plastic foam particles, nonintermittent and continuous production is realized by pushing materials while stirring; and the fully-automatic continuous film-covering drying production line for the plastic foam particles is high in yield, uniform in coating, rapid in drying, low in energy consumption, and high in automation degree.

The invention relates to a stripper unit (44) and to a hydraulic working apparatus (40) having a stripper unit (44). The stripper unit is formed in particular as an ice stripper for hydraulic working apparatuses for protecting a secondary side (54) against environmental influences which arise on a primary side (52), in particular for protecting guide arrangements and/or sealing arrangements (42), and is provided with a holding ring (46), which is formed in a substantially rotationally symmetrical manner about a longitudinal axis (20) and has a contact portion (58) for reception on a housing part (14), with a primary stripper (48), in particular an outer stripper, and with a secondary stripper (50), which is offset axially in the direction of the secondary side (54) in relation to the primary stripper (48), wherein a primary lip (74) is formed on the primary stripper (48) and a secondary lip (88) is formed on the secondary stripper (50), wherein the primary lip (74) and the secondary lip (88), when in a joined state, make sealing contact with a sliding surface (19) of a guided sliding partner part (16), in particular a piston rod, wherein the primary lip (74) protrudes like a collar in the direction of the primary side (52) and, on the side thereof which is remote from the guided sliding partner part (16) when in a joined state, tapers conically at least in certain portions in the direction of the primary side (52), and wherein the primary lip (74) has a contact surface (76) designed to bear against the sliding surface (19).

The invention belongs to the field of building processing, and particularly discloses a curtain wall single-board cleaning device. The curtain wall single-board cleaning device comprises a rack, wherein the rack is provided with a workbench used for placing a curtain wall single board; the rack is provided with a scraping mechanism, a wiping mechanism and an installation mechanism; the installation mechanism comprises fixing boards fixed on two sides of the workbench; each fixing board is provided with a sliding chute along the length direction of the workbench; a sliding board is in sliding connection in each sliding chute; the wiping mechanism comprises a rotary barrel rotatably connected between two sliding boards; the outer wall of the rotary barrel is fixedly provided with a cotton cloth layer; the scraping mechanism comprises a first scraping component, a second scraping component and a third scraping component, wherein the first scraping component is used for scraping the curtain wall single board along a sliding board sliding direction; the second scraping component and the third scraping component are both used for scraping the curtain board single board along the slidingboard sliding direction; and in addition, the scraping and wiping directions of the second scraping component and the third scraping component are opposite. By use of the scheme of the invention, theproblem that manual cleaning is troublesome can be solved.

The invention discloses a low odor high dispersion scratch resistant additive masterbatch and a preparation method thereof, the scratch resistant additive masterbatch comprises the following raw materials by weight: 75-94.9% of low molecular weight polypropylene, 5-25% of a scratch resistant additive and 0.1%-2% of an antioxidant, by use of the lubricity of the low molecular weight polypropylene and polypropylene excellent compatibility, the prepared scratch resistant additive masterbatch improves the scratch resistant additive dispersion, reduces the scratch resistant additive dosage, and improves the compatibility of the scratch resistant additive and the polypropylene material, the product is good in flavor, and the scratch resistant additive masterbatch can be used for an alternative for traditional scratch resistant additive adding method.

The invention discloses a burr-removing abrasive sand with ultrahigh strength and ultrahigh toughness and a production method thereof. B40L is modified by a double screw extruder; B40L has the characteristics of lightness and good toughness; Surlyn has excellent low temperature impact resistant toughness and an excellent performance on resisting wear and scratch; in the double screw extruder, B40Lreacts with Surlyn 9320 at first, during the reaction process, Surlyn 9020 is added, reactions are kept on, the combination between B40L and functional groups of Surlyn 9320 and Surlyn 9020 is promoted, the strength of B40L is improved; after Surlyn 9320 and Surlyn 9020 are co-used, the combination between B40L and Surlyn 9320/Surlyn 9020 is promoted, the using amount of modification additives isreduced, and the produced abrasive sand has the characteristics of ultrahigh strength and ultrahigh toughness. During the using process, the abrasive sand has a very good impact resistant performance, and can effectively process the surface of a rubber piece. Due to the toughness of the abrasive sand, the abrasive sand is resistant to breaking, and can be repeatedly used in cycle.

Described herein are cold-sintered ceramic polymer composites and processes for making them from ceramic precursor materials and monomers and/or oligomers. The cold sintering process and wide varietyof monomers permit the incorporation of diverse polymeric materials into the ceramic.

The invention relates to UV ink serial products special for novel 'scratch type' bills and application thereof, which comprise UV back black ink, UV isolating oil ink, UV silver adjusting oil ink and special silver slurry and application thereof. The invention provides the UV ink serial products special for the novel 'scratch type' bills, which have the advantages of high technical content, various varieties and wide applicability. The performance of the UV back black ink, the UV isolating oil ink, the UV silver adjusting oil ink and the special silver slurry can be adjusted and controlled according to the requirements of printing machine types and bill paper on printing finished products to achieve the controllable isolation effect, the controllable printing speed, the scratching difficulty, the drying speed, the printing thickness, the controllable back black printing and the controllable covering effect, and achieve coordinating and unifying so as to adapt to the modern high-speed printing and produce products satisfactory to users.

The invention discloses an antistatic coaming box. A box body material of the antistatic coaming box is prepared from, by weight, 70 to 90 parts of co-polypropylene, 10 to 20 parts of a conductive filler, 10 to 15 parts of a calcium carbonate filler, 4 to 8 parts of a rubber flexibilizer, 5 to 10 parts of silicone powder, 1 to 1.5 parts of sodium stearate, 0.3 to 0.5 part of a coupling agent, 0.3to 0.5 part of an antioxidant and 0.3 to 0.5 part of a light stabilizer. The box body is prepared from the raw materials measured according to the proportion through the steps of plate forming, slitting, indentation and box forming, fixing and card inserting and the like. The manufactured antistatic coaming box can still keep a good electrostatic protection effect in a dry environment and can be used for transfer transportation of some high-precision parts and the like, the surface of the box body has good scratch resistance and abrasion resistance, and the antistatic coaming box is particularly convenient to use on a production line.

The invention discloses a water-resistant ceramic-like internal wall decorative paint which is prepared from the following components in parts by weight: 30-40 parts of silicone acrylic emulsion, 5-10 parts of urea-formaldehyde resin, 3-5 parts of VAE (vinyl acetate-ethylene) redispersible latex powder, 5-10 parts of nano kaolin, 1-5 parts of magnesium oxide, 1-5 parts of magnesium chloride, 3-5 parts of tea saponin, 15-20 parts of wollastonite powder, 5-10 parts of heavy calcium carbonate powder, 3-5 parts of sodium silicate, 1-1.5 parts of sodium hexametaphosphate, 0.5-1 part of hydroxyethyl cellulose, 1-2 parts of Texanol ester alcohol, 1-3 parts of sodium hydroxide, 10-15 parts of quicklime and 20-25 parts of water. The water-resistant ceramic-like internal wall decorative paint has the advantages of reasonable and scientific formula design, low cost, no toxicity, high safety, favorable smoothness, excellent water resistance and no sag after scratching. The invention also discloses a preparation method of the water-resistant ceramic-like internal wall decorative paint. The method has the advantages of simple processing steps and stable and controllable process, and is easy to implement and suitable for industrial production.

The invention relates to the technical field of appliances used in zoos, in particular to a tiger itch scratching device used in a tiger park of a zoo. The tiger itch scratching device comprises a floor, wherein a column I is fixedly installed on the floor, the back side of the column I is fixedly connected with one end of a connecting rope I, the other end of the connecting rope I is fixedly connected with the top of a half tube, the top of the half tube is fixedly connected with one end of a connecting rope II, the connecting rope II is located behind the connecting rope I, the other end ofthe connecting rope II is fixedly connected with one side of a column II, the column II is fixedly installed on the floor and is located behind the half tube, the top of the half tube is fixedly connected with one end of a connecting rope III, and the connecting rope III is located on the right side of the connecting rope I. The tiger itch scratching device used in the tiger park of the zoo playsa very good itch scratching effect through the half tube in cooperation with the connecting rope I, the connecting rope II, the connecting rope III and a connecting rope IV, and the problem of body itch of tigers is solved.