12results about How to "Not easy to flow" patented technology

The invention discloses a fresh cut flower preservative and a preparation method and application thereof.Auricularia auricula polysaccharide and 8-hydroxyquinoline are adopted as main components for preservation, the balance is water to prepare a mixed aqueous solution, and bacterial nanocellulose (BNC) produced by protein waste liquid is adopted as a medium of the aqueous solution; and after water absorption saturation, obtaining the functional fresh-keeping material for the fresh cut flowers. The bacterial nano cellulose is biodegradable and non-toxic, and the fresh cut flower preservation gel prepared by the method is uniform and stable, is a semi-solid, is not easy to flow, and is easy to subpackage, transport and use. Compared with water-retaining cotton and flower mud, the water-retaining agent is longer in water-retaining time and easier to decompose, and the loss of an aqueous solution is reduced. The fresh-keeping period of the fresh cut flowers can be prolonged after the roots of the fresh cut flowers are placed in the packaging bag for fresh-keeping and sealing, and the packaging bag can be used for long-distance transportation of the fresh cut flowers and water retention of bouquets in flower stores.

This invention discloses a heating-not-burning cigarette cooling unit containing a phase change cooling material and a heating-not-burning cigarette. The unit comprises at least a carrier paper and a phase change cooling material coated on the carrier paper. The phase change cooling material is distributed in a non-fully-covering, regular pattern on the carrier paper. The carrier paper coated with the phase change cooling material forms multiple longitudinally extending channels through winding, folding, gathering, bending, and wrinkling, and has a porosity of 40%-90% along the longitudinal direction. The phase change cooling material comprises 55-96 parts by weight of polyethylene glycol, 1-5 parts by weight of in-situ reinforcing material, and 3-40 parts by weight of thermally conductive filler. The heating-not-burning cigarette cooling unit of this invention has the advantages of high latent heat of phase change, low thermal hysteresis effect, high heat absorption efficiency, apparent stability without collapse, and no leakage.

This invention discloses a heated tobacco cooling unit with enhanced thermal conductivity and a heated tobacco product, comprising a carrier sheet, several metal foils, and several phase change cooling materials. The carrier sheet has several perforated holes. Several metal foils are disposed on at least one side of the carrier sheet and cover the perforated holes. The metal foils are spaced apart and discretely arranged. The phase change cooling materials are filled within the perforated holes using the metal foils as a carrier. The carrier sheet containing the metal foils and phase change cooling materials is formed into the heated tobacco cooling unit by at least one of the following methods: winding, folding, gathering, bending, and pleating. The metal foils are regularly and intermittently distributed along the longitudinal direction of the tobacco strip. The cooling unit has multiple longitudinally extending channels, and the porosity of the cross-section is 40%-90%. The heated tobacco cooling unit with enhanced thermal conductivity of this invention has the advantages of high latent heat of phase change, low thermal hysteresis effect, high heat absorption efficiency, apparent stability without collapse, and no leakage.

The utility model discloses an artificial grille which comprises a mounting frame, the mounting frame is a U-shaped frame, the bottom surface of the mounting frame is detachably connected with a fixing plate through bolts, the shape of the fixing plate is matched with that of the bottom surface of the mounting frame, a plurality of fixing grooves are formed in the upper end face of the fixing plate, and the fixing grooves are communicated with the mounting frame. The multiple fixing grooves are evenly and linearly arranged in the length direction of the fixing plate, the upper end face of the mounting frame is detachably connected with a grating plate through bolts, the grating plate comprises a transverse plate and grating bodies, the transverse plate is detachably connected to the upper end face of the mounting frame, the multiple grating bodies are arranged, and the transverse plate is detachably connected to the upper end face of the mounting frame. The multiple grille bodies are evenly and linearly arranged in the length direction of the transverse plate and correspond to the multiple fixing grooves in a one-to-one mode, and when the transverse plate is connected with the mounting frame, the lower ends of the grille bodies are inserted into the corresponding fixing grooves. The filter has the advantages that the structure is simple, the impurity winding probability is reduced, the filtering effect is improved, and winding impurities are convenient to clean.

The application provides a self-sealing tire uniform spraying machine, and relates to the tire spraying technical field.The self-sealing tire uniform spraying machine comprises a spraying box, a storage module, a heating module, a feeding module and a spraying gun are arranged in the inner cavity of the spraying box, a spraying gun moving module is arranged for moving the spraying gun, a spraying groove is arranged at the middle of the right end of the spraying box, a supporting plate is arranged at the middle of the inner side of the spraying groove, a tire rotating assembly is arranged at the middle of the upper end of the supporting plate, and an inclination adjusting assembly is arranged at the bottom of the supporting plate; the tire rotating assembly comprises a right roller and a left roller. The inclination adjusting assembly is arranged, the tire can be inclined and adjusted, the spraying is first performed on one side, then the spraying is performed on the other side, and finally the spraying is performed on the middle, so that the thickness of the inner wall of the tire at the R angle and the middle is the same after the spraying, the problem that the two sides are thin is solved, the effect of preventing the tire from being punctured on the two sides is enhanced, and the waste of the high polymer material is avoided.

This invention discloses a two-component self-healing polyurethane crack sealant based on dynamic disulfide bonds and its preparation method. The sealant comprises, by weight, component A containing 40-50 parts of polyol and 10-20 parts of diisocyanate, and component B containing 3-9 parts of a chain extender containing dynamic disulfide bonds, 0.5-3.5 parts of an auxiliary chain extender, 20-25 parts of filler, and 0.05-0.2 parts of catalyst; wherein the molecular weight of the polyol is 650-2000; the mass ratio of component A to component B is (1.5-2.5):1; and the catalyst is an organotin carboxylate catalyst. The sealant provided by this invention provides damage / repair functionality through the dynamic disulfide bond chain extender, while the auxiliary chain extender constructs stable hard segment crystals or hydrogen bond networks, providing initial strength and dimensional stability. These two components synergistically improve the self-healing properties and toughness of the prepared polyurethane crack sealant.

The present invention proposes a rear fender production line for high-end motorcycles and its processing technology, including: a drawing die for drawing materials; a trimming die for cutting excess edge materials of the intermediate product of drawing; a flanging die for flanging the intermediate product of drawing; and a shaping die for shaping the raised portion on the intermediate product of drawing; improving the situation in the prior art that the rear fender is prone to cracking after only drawing. The shaping process is used to shape the middle bulge, which ensures the performance and structure of the bulge without affecting the product attributes of the appearance surface. The bulge after shaping has a small R angle, the material is not easy to flow, and the product is not easy to crack.

This invention discloses a hollow metal tube filled with phase change cooling material for heated non-combustible cigarettes, and the heated non-combustible cigarette itself. The heating non-combustible cigarette includes a hollow metal tube and a phase change cooling material. The phase change cooling material is filled and sealed inside the hollow metal tube. The hollow metal tube filled with the phase change cooling material is placed inside the heated non-combustible cigarette in at least one of the following ways: winding, folding, gathering, or bending, to form a cooling unit. The cooling unit has a longitudinally extending smoke channel; the longitudinal direction of the cooling unit has a porosity of 40%-90%. The hollow metal tube filled with phase change cooling material cooling unit of this invention has the advantages of high latent heat of phase change, low thermal hysteresis effect, high heat absorption efficiency, apparent stability without collapse, and no leakage.

The utility model discloses a PVC (polyvinyl chloride) decorative film raw material mixing device capable of quickly discharging, which comprises a mixing barrel, a barrel cover, an air inlet pipe, a fixing ring, a filter screen, a baffle plate, an air cylinder, an isolation barrel and a discharging pipe, the barrel cover is arranged at the top of the mixing barrel, and the air inlet pipe with a valve is arranged on the barrel cover; an air inlet pipe is arranged in the mixing cylinder, the air inlet pipe is connected with an air supply device for supplying inert gas through a pipeline, a motor is fixed on the cylinder cover, the motor is connected with a rotating shaft extending into the mixing cylinder, stirring blades are arranged on the rotating shaft, a feeding pipe is arranged on the cylinder wall of the mixing cylinder, a detachable sealing cover is arranged on the feeding pipe, and the sealing cover is connected with the stirring blades. And a fixing ring is fixed on the inner wall of the mixing cylinder. According to the utility model, the air inlet pipe is arranged on the cylinder cover, so that slurry can be pressurized when being filtered and discharged, the filtering and discharging speed can be improved, and the production efficiency is effectively improved.

The utility model discloses an online section cleaning device for cement grinding, relates to the technical field of cement production, and aims to solve the technical problem that some cement enters a collecting box and is mixed with metal impurities such as broken sections during section cleaning of current equipment, so that the subsequent cleaning difficulty is increased. Comprising a collecting box installed at the lower end of the middle of an air chute and an air curtain mechanism arranged in the collecting box, a discharging plate is installed in an inlet part, the air curtain mechanism comprises an air box and an air curtain pipe, an air inlet is formed in the front end of the air box, a motor is arranged in the air box, and fan blades are installed at the tail end of a main shaft of the motor. And an air pipe connected with the air curtain pipe is arranged on the air box. The cement powder collecting device has the advantages that broken segments and other metal powder impurities enter the collecting box due to gravity, cement powder can be more effectively blocked and can be guided to return to the air chute, mixing of cement and the broken segments and other metal impurities is reduced, and follow-up cleaning difficulty is lowered.

The application provides a self-repairing hot melt adhesive for vehicle headlamps, a preparation method and application, which is composed of the following components by weight: polyisobutylene 15-40 parts, polyolefin 20-50 parts, butyl rubber 10-30 parts, polyamide modified polymer 10-30 parts, tackifying resin 5-15 parts, filler 1-30 parts, and antioxidant 0.1-2 parts. The modified polyamide is mainly composed of dimer amine and adipic acid, and is prepared by high-temperature polycondensation of pyrimidine and purine compounds, and the molar ratio of dimer amine to adipic acid is 1-2. The pyrimidine-purine multiple reversible hydrogen bonds are used to endow the adhesive layer with the heat-induced self-repairing ability. The polyamide chain segment improves the high-temperature resistance to flow, and the heterocycle improves the bonding strength to PP, PC and PMMA substrates. The system has low volatile matter, and can prevent the vehicle headlamps from fogging. In the preparation, the modified polyamide is first synthesized, and then the raw materials are kneaded at 120-170 DEG C under nitrogen protection and vacuum defoaming to form the adhesive, so that the process is simple and the adhesive is suitable for bonding and sealing of the vehicle headlamps.

This application relates to an evaporator and an air conditioner. The evaporator includes a heat exchange tube and multiple fins. The multiple fins are sequentially arranged along the length of the heat exchange tube. The fins are at least divided into first fins and second fins. The first fin includes at least one fin, and the second fin includes at least one fin. Each fin of the first fin has at least one hydrophobic coating, and each fin of the second fin has at least one hydrophilic coating. At least one second fin is arranged adjacent to the first fin. The hydrophilic coating of the first fin and the hydrophobic coating of the second fin are arranged alternately. The first fin is located at both ends of the heat exchange tube along its length. This application, through the alternating arrangement of the hydrophilic and hydrophobic coatings, makes the evaporator less prone to frost and ice formation, and achieves dual optimization of heat exchange efficiency and drainage performance.