9results about How to "Consistent viscosity" patented technology

The utility model discloses intelligent heating viscosity matching equipment which comprises a heat preservation shell, one side of the heat preservation shell is fixedly connected with a feeding port, the other side of the heat preservation shell is fixedly connected with a controller, the bottom of the controller is fixedly connected with a temperature controller, and the top of the heat preservation shell is fixedly connected with a top cover. A stirring mechanism and a tester are fixedly connected to the top of the top cover, a discharging port is fixedly connected to the bottom of the heat preservation shell, a temperature control hot core, the tester and a temperature controller are arranged, the risk that personnel make contact with the hot core is avoided by means of a closed heating environment, the temperature of a single multi-stage hot core is not too high, fluid heating is safer, and the temperature of the multi-stage hot core is not too high. Compared with the prior art, the multi-stage heating core heating device has the advantages that the overheating risk is avoided, the multi-stage heating core heating improves the heating efficiency, the full-automatic control system reduces the operation workload of personnel, the risks of man-made errors and the like are avoided, addition of part of diluents is replaced, pollution sources are reduced, and the closed heating prevents external flue gas from polluting the environment.

The invention relates to the technical field of fibers, in particular to a modified polylactic acid chopped fiber suitable for spunlace non-woven fabric and a manufacturing method of the modified polylactic acid chopped fiber. The modified polylactic acid chopped fiber comprises 90 to 95 wt% of polylactic acid, 5 to 8 wt% of epoxy grafted polylactic acid, 1 to 2 wt% of polyphosphate, 0.2 to 0.5 wt% of an external lubricant, 0.1 to 0.2 wt% of a heat stabilizer and 0.3 to 0.4 wt% of an anti-hydrolysis agent. According to the invention, the heat stability of the polylactic acid is improved, the thermal degradation of the polylactic acid in the melting processing heat process is inhibited, the viscosity of the polylactic acid melt tends to be consistent, the spinning stability is improved, and the consistency of the fiber diameter is ensured; the hygrothermal aging performance of the polylactic acid is improved. The crystallinity of the polylactic acid in the spinning process is reduced, but the tensile strength of the polylactic acid is still kept.

The embodiment of the invention provides a slit coating system and a slit coating method, the system comprises a base table, a coating area is arranged on the surface of the base table, the coating area comprises a first temperature control area and a second temperature control area, and the second temperature control area is arranged around the first temperature control area; the coating head is arranged above the base station; the control unit is used for controlling the temperature of the first temperature control area and the temperature of the second temperature control area to be a first target temperature when the coating head coats the substrate borne on the base table; and after the coating head coats the substrate, the temperature of the first temperature control area is controlled to be the second target temperature, or the temperature of the second temperature control area is controlled to be the third target temperature, so that the uniformity of the functional film layer formed based on the slit coating process is improved.

The invention belongs to the technical field of thermosensitive sheet manufacturing, and particularly relates to a thermosensitive printer thermosensitive sheet glue disc automatic slicking device which comprises a glue smoothing device, the glue smoothing device comprises a fixing support, a cavity is formed in the fixing support, the upper portion of the fixing support is fixedly connected with a glue amount sensor, and the upper portion of the fixing support is fixedly connected with the glue amount sensor. The upper portion of the fixing support is rotationally connected with the rotating rubber disc, vibration is transmitted into rubber inside the rotating rubber disc through the rotating rubber disc, bubbles can be combined with one another under the action of vibration at the moment to form larger bubbles, and then the bubbles can rise to the surface of red rubber more quickly and break so as to escape. The density and the viscosity of the red glue can be kept consistent by eliminating the bubbles, so that the dipping uniformity is improved, secondly, the overflowing red glue can be extracted in time through the reciprocating motion of the piston piece, the red glue which overflows and is temporarily stored in the outer cavity can be rapidly and effectively extracted out, the complexity and the time consumption of manual cleaning are avoided, and the working efficiency is improved. And therefore, the working efficiency is greatly improved.

The utility model discloses a coating diluting device for environment-friendly coating production, and relates to the technical field of coating diluting devices. The device comprises a stirring box, a mixing pipe is arranged on the upper side of the stirring box, the mixing pipe is communicated with the stirring box, a plurality of material filling mechanisms are arranged on one side of the stirring box, a power mechanism is fixedly installed on the side wall of the bottom end of the stirring box, a stirring mechanism is arranged on one side of the power mechanism, and the stirring mechanism is arranged on the other side of the power mechanism. And a discharging and filtering mechanism is arranged on the side wall of the bottom end of the stirring box. Compared with on-site manual blind guessing matching, the effect after paint dilution can be improved, so that the construction effect after paint dilution is improved to a certain extent, outflow of paint which is not diluted to a specified degree can be reduced, it is ensured that most of the paint is consistent in flowability and viscosity during construction, and the construction quality is improved. Therefore, the construction effect of the environment-friendly coating can be improved, and the probability of uneven brushing thickness is reduced.

The invention provides a preparation method of a water-based epoxy interface agent for tile paving. The preparation method specifically comprises the following steps: S1, preparing modified nonionic self-emulsifying water-based epoxy resin; s2, preparing a curing agent; s3, preparing a toughening agent; and S4, uniformly stirring the modified nonionic self-emulsifying water-borne epoxy resin and the curing agent, then adding the flexibilizer, uniformly stirring again, then sequentially adding the Portland cement, the river sand, the fly ash, the water reducing agent, the cellulose ether and the water, and fully and uniformly stirring at room temperature. Through the innovation of the whole preparation process of the water-based epoxy interface agent and the synergistic effect of the modified nonionic self-emulsifying water-based epoxy resin, the star branched polymer-linear water-based epoxy curing agent and the flexibilizer, the water-based epoxy interface agent can be obtained, and the water-based epoxy interface agent has the advantages of permeation resistance, chlorine salt erosion resistance, freezing and thawing resistance, crack resistance, high crack resistance, high water resistance and the like. The water-based epoxy interface agent has the advantages of good durability, short setting time and high bonding strength, and is especially suitable for tile paving.

The application provides a fly ash-based filling material slurry, a preparation method and application thereof, and relates to the technical field of fluid conveying engineering. The fly ash-based filling material slurry provided by the application comprises the following components in parts by mass: 20-360 parts of fly ash and 10-100 parts of polyether polyol; the average specific surface area of the fly ash is 13-25 m 2 / g; and the number average molecular weight of the polyether polyol is 600-2000. In the application, the polyether polyol is adsorbed on the surface of the fly ash to form a fixed layer, the percolation of the fixed layer forms a gel network, the dispersion and suspension stability of the fly ash particles are realized, and by controlling the specific surface area of the fly ash and the number average molecular weight of the polyether polyol, the filling material slurry with long-term suspension stability is obtained. The experimental results show that the viscosity of the fly ash-based filling material slurry provided by the application is basically consistent before and after standing, the long-term suspension stability is good, the viscosity is low, and the pipeline conveying property is good.

The utility model relates to a hot runner structure of an injection mold in the field of injection molds, which comprises a main nozzle, a splitter plate and more than two hot nozzles, the splitter plate is provided with a heating tube, the surface of the splitter plate is provided with a heated channel, the surface of the splitter plate is provided with a heat-insulating outer frame and a heat-insulating plate, the heat-insulating outer frame is sleeved on the side wall of the splitter plate, and the heat-insulating plate is sleeved on the side wall of the splitter plate. The heat preservation plate covers an opening of the heat preservation outer frame, the heat preservation outer frame and the heat preservation plate are combined to form a heat preservation cavity, the splitter plate is located in the heat preservation cavity, the heat preservation outer frame and the heat preservation plate are connected with the splitter plate through bolts, a plurality of evenly-arranged heat insulation cavities are formed in the heat preservation outer frame and the heat preservation plate, and the two ends of the heating pipe penetrate through the heat preservation outer frame and are connected with a controller. The heat exchange between the splitter plate and the external environment is effectively blocked, the heat loss is greatly reduced, the defects of uneven filling, shrinkage, flash and the like caused by temperature fluctuation are reduced, and the forming quality and consistency of products are remarkably improved.

The invention discloses a low-viscosity high-hardness ultraviolet curing polyurethane resin which comprises the following components in parts by weight: 30-45 parts of acrylic hydroxyl ester; 20 to 30 parts of diisocyanate; 0.1 to 0.2 part of a catalyst; 1-3 parts of a polymerization inhibitor; 25 to 35 parts of a diluent; 1-3 parts of an antioxidant; and 1-5 parts of a photoinitiator. The invention further discloses a preparation method of the low-viscosity and high-hardness ultraviolet curing polyurethane resin. The viscosity and the hardness of the ultraviolet curing polyurethane resin are doubly optimized; on the basis of having considerable insulativity, low viscosity and high hardness are ensured, so that the requirements for preparing the insulating ink are met. Moreover, the comprehensive performance of the ink is greatly improved, so that the ink has excellent performance in the aspects of viscosity, hardness, insulativity, boiling resistance and the like, and is suitable for the application scene of a power battery insulativity ink jet printing process.