阅读说明：本技术 一种相变微胶囊纤维的制备装置及其制备方法 (Preparation device and preparation method of phase-change microcapsule fibers ) 是由 黄芳胜 于 2021-08-19 设计创作，主要内容包括：本发明属于相变纤维技术领域,尤其是一种相变微胶囊纤维的制备装置及其制备方法,所述相变微胶囊纤维的制备装置包括底部外壁焊接有两个支撑板的制备箱、通过螺栓固定在制备箱上部内壁的过滤网、两个啮合设置的搅拌组件和出料组件；所述相变微胶囊纤维的制备方法,包括以下步骤：S1：将核心母料溶液、水和防腐剂依次加入至制备装置。本发明所提出的制备装置,通过过滤网能够对每种原料进行充分过滤,能够对加入的原料进行充分搅拌,并且还可以控制原料搅拌混合所需的时间和温度,从而提高了整个制备装置的制备质量和效率；本发明所提出的制备方法中通过S5和S6的配合使用能够使得制备出来的相变微胶囊纤维具备很好的阻燃性能和抗菌性能。(The invention belongs to the technical field of phase change fibers, and particularly relates to a preparation device and a preparation method of phase change microcapsule fibers, wherein the preparation device of the phase change microcapsule fibers comprises a preparation box, a filter screen, two stirring components and a discharging component, wherein two support plates are welded on the outer wall of the bottom of the preparation box; the preparation method of the phase-change microcapsule fiber comprises the following steps: s1: the core masterbatch solution, water, and preservative are sequentially added to the manufacturing apparatus. According to the preparation device provided by the invention, each raw material can be fully filtered through the filter screen, the added raw materials can be fully stirred, and the time and temperature required by stirring and mixing the raw materials can be controlled, so that the preparation quality and efficiency of the whole preparation device are improved; in the preparation method provided by the invention, the prepared phase-change microcapsule fiber has good flame retardant property and antibacterial property by the matching use of S5 and S6.)

1. The device for preparing the phase-change microcapsule fiber is characterized by comprising a preparation box (1) with two supporting plates welded on the outer wall of the bottom, a feed hopper (2) fixedly communicated with the top of the preparation box (1), a controller (3) fixed on the outer wall of one side of the preparation box (1) through a bolt, an L-shaped plate (4) welded on the outer wall of the other side of the preparation box (1), a stirring motor (5) fixed on the side wall of the L-shaped plate (4) through a bolt, a filter screen (6) fixed on the inner wall of the upper part of the preparation box (1) through a bolt, two stirring assemblies arranged in a meshed mode and a discharging assembly;

the preparation method of the phase-change microcapsule fiber comprises the following steps:

s1: sequentially adding the core master batch solution, water and the preservative into a preparation device, fully filtering, stirring and mixing to obtain an emulsifier;

s2: sequentially adding polyethylene glycol and a catalyst into a preparation device for full filtration, mixing the polyethylene glycol and the catalyst into an emulsifier in S1, stirring, and adding a chain extender for reaction to obtain a phase-change microcapsule solution;

s3: sequentially adding ethyl orthosilicate, acid liquor and ethanol into a preparation device, filtering, stirring and mixing with the phase-change microcapsule solution in S2, hydrolyzing, and introducing ammonia gas to obtain a shell-dyeable solution;

s4: sequentially adding the silver fiber solution, the copper fiber solution and the first complexing agent into the preparation device, filtering, and stirring and mixing with the phase-change microcapsule solution in S2;

s5: sequentially adding the basalt fiber solution, the polysulfonamide fiber solution and the second complexing agent into the preparation device, filtering, and stirring and mixing the phase-change microcapsule solution in S2;

s6: taking out the phase change microcapsule solution through a discharging component, distilling for 1-2 h, and finally preparing the phase change microcapsule fiber through melt spinning.

2. The device for preparing the phase-change microcapsule fiber according to claim 1, wherein the stirring assembly comprises stirring shafts (7) respectively connected with the inner walls of the two sides of the preparation box (1) through two bearings, stirring rods (8) welded on the outer wall of the stirring shafts (7) and distributed at equal intervals, and gears (9) sleeved on the stirring shafts (7), and an output shaft of the stirring motor (5) is coaxially connected with one end of one stirring shaft (7) through a coupler.

3. The device for preparing the phase-change microcapsule fiber according to claim 1, wherein the discharging assembly comprises a liquid outlet pipe (10) fixedly communicated with the bottom of the preparation box (1), an electromagnetic valve (11) oppositely clamped and installed on the liquid outlet pipe (10), and a material receiving box (12) arranged below the liquid outlet pipe (10).

4. The apparatus for preparing phase-change microcapsule fiber according to claim 1, wherein the controller (3) comprises a temperature control module and a time control module, and the controller (3) is provided with control buttons distributed at equal intervals.

5. The method for preparing a phase-change microcapsule fiber according to claim 1, wherein the core masterbatch solution, water and the preservative are mixed at a ratio of 1:50:20 in S1, the preservative mainly comprises dehydroacetic acid, the stirring time is 30min to 70min, and the stirring temperature is 80 ℃ to 100 ℃.

6. The preparation method of the phase-change microcapsule fiber according to claim 5, wherein the mixing ratio of the polyethylene glycol, the catalyst and the chain extender in S2 is 10:2:2, the main component of the catalyst is manganese dioxide, the main component of the chain extender is trimethylolpropane, the stirring time is 20min to 40min, and the stirring temperature is 80 ℃ to 120 ℃.

7. The method for preparing the phase-change microcapsule fiber according to claim 5, wherein the mixing ratio of the tetraethoxysilane, the acid liquor and the ethanol in S3 is 1:3:5, the concentrations of the tetraethoxysilane, the acid liquor and the ethanol are 20%, 40% and 60% in sequence, the stirring time is 40min to 80min, and the stirring temperature is 65 ℃ to 85 ℃.

8. The method for preparing the phase-change microcapsule fiber according to claim 5, wherein the mixing ratio of the silver fiber solution, the copper fiber solution and the first complexing agent in S4 is 1:1:2, the main component of the first complexing agent is nano calcium borate, the stirring time is 30min to 45min, and the stirring temperature is 75 ℃ to 105 ℃.

9. The method for preparing the phase-change microcapsule fiber according to claim 5, wherein the mixing ratio of the basalt fiber solution, the polysulfonamide fiber solution and the second complexing agent in S5 is 1:1:2, the main component of the second complexing agent is acetaminophen, the stirring time is 45min to 65min, and the stirring temperature is 70 ℃ to 95 ℃.

Technical Field

The invention relates to the technical field of phase change fibers, in particular to a device and a method for preparing phase change microcapsule fibers.

Background

The phase-change fiber is a heat-storage temperature-regulating functional fiber developed by utilizing the characteristics of releasing or absorbing latent heat and keeping constant temperature in the phase-change process of a substance. The phase-change microcapsule fiber is a novel composite microcapsule fiber with a core-shell structure, which is formed by coating a layer of polymer film with stable performance on the surface of solid-liquid phase-change material particles by applying a microcapsule technology.

At present, when the phase-change microcapsule fiber is prepared, a preparation device of the phase-change microcapsule fiber cannot fully filter and fully stir raw materials, and cannot accurately control the time and temperature required by stirring and mixing the raw materials in each step, so that the preparation quality of the preparation device is reduced, and the phase-change microcapsule fiber prepared by the existing preparation method does not have good antibacterial and flame retardant properties. Therefore, the invention provides a device and a method for preparing phase-change microcapsule fibers.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a device and a method for preparing phase-change microcapsule fibers.

In order to achieve the purpose, the invention adopts the following technical scheme:

the phase change microcapsule fiber preparation device comprises a preparation box, a feed hopper, a controller, an L-shaped plate, a stirring motor, a filter screen, two stirring assemblies and a discharging assembly, wherein two support plates are welded on the outer wall of the bottom of the preparation box;

the preparation method of the phase-change microcapsule fiber comprises the following steps:

s1: sequentially adding the core master batch solution, water and the preservative into a preparation device, fully filtering, stirring and mixing to obtain an emulsifier;

s2: sequentially adding polyethylene glycol and a catalyst into a preparation device for full filtration, mixing the polyethylene glycol and the catalyst into an emulsifier in S1, stirring, and adding a chain extender for reaction to obtain a phase-change microcapsule solution;

s3: sequentially adding ethyl orthosilicate, acid liquor and ethanol into a preparation device, filtering, stirring and mixing with the phase-change microcapsule solution in S2, hydrolyzing, and introducing ammonia gas to obtain a shell-dyeable solution;

s4: sequentially adding the silver fiber solution, the copper fiber solution and the first complexing agent into the preparation device, filtering, and stirring and mixing with the phase-change microcapsule solution in S2;

s5: sequentially adding the basalt fiber solution, the polysulfonamide fiber solution and the second complexing agent into the preparation device, filtering, and stirring and mixing the phase-change microcapsule solution in S2;

s6: taking out the phase change microcapsule solution through a discharging component, distilling for 1-2 h, and finally preparing the phase change microcapsule fiber through melt spinning.

Preferably, the stirring assembly comprises a stirring shaft connected with the inner walls of the two sides of the preparation box through two bearings, stirring rods welded on the outer wall of the stirring shaft and distributed at equal intervals, and gears sleeved on the stirring shaft, wherein an output shaft of the stirring motor is coaxially connected with one end of one stirring shaft through a coupler.

Preferably, ejection of compact subassembly includes the drain pipe of fixed intercommunication in preparation bottom of the case portion, to pressing from both sides solenoid valve and the material receiving box of setting in the drain pipe below of installing on the drain pipe.

Preferably, the controller comprises a temperature control module and a time control module, and control buttons distributed at equal intervals are arranged on the controller.

Preferably, the mixing ratio of the core master batch solution, the water and the preservative in S1 is 1:50:20, the main component of the preservative is dehydroacetic acid, the stirring time is 30min-70min, and the stirring temperature is 80-100 ℃.

Preferably, the mixing ratio of the polyethylene glycol, the catalyst and the chain extender in S2 is 10:2:2, the main component of the catalyst is manganese dioxide, the main component of the chain extender is trimethylolpropane, the stirring time is 20min to 40min, and the stirring temperature is 80 ℃ to 120 ℃.

Preferably, the mixing ratio of the tetraethoxysilane, the acid liquor and the ethanol in the S3 is 1:3:5, the concentrations of the tetraethoxysilane, the acid liquor and the ethanol are 20%, 40% and 60% in sequence, the stirring time is 40min to 80min, and the stirring temperature is 65 ℃ to 85 ℃.

Preferably, the mixing ratio of the silver fiber solution, the copper fiber solution and the first complexing agent in S4 is 1:1:2, the main component of the first complexing agent is nano calcium borate, the stirring time is 30-45 min, and the stirring temperature is 75-105 ℃.

Preferably, the mixing ratio of the basalt fiber solution, the polysulfonamide fiber solution and the second complexing agent in S5 is 1:1:2, the main component of the second complexing agent is acetaminophen, the stirring time is 45min to 65min, and the stirring temperature is 70 ℃ to 95 ℃.

The invention has the beneficial effects that:

1. according to the preparation device provided by the invention, each raw material can be fully filtered through the filter screen, the two stirring assemblies can relatively rotate to fully stir the added raw materials through the transmission of the two gears, and the time and the temperature required by stirring and mixing the raw materials in each step can be accurately controlled through the temperature control module and the time control module in the controller, so that the preparation quality and the preparation efficiency of the whole preparation device are improved;

2. in the preparation method provided by the invention, through the matching use of S5 and S6, the antibacterial layer prepared in S5 can be compounded on the surface of the phase-change microcapsule fiber through the first complexing agent, so that the phase-change microcapsule fiber has antibacterial performance, and the flame retardant layer prepared in S6 can be compounded on the surface of the phase-change microcapsule fiber through the second complexing agent, so that the phase-change microcapsule fiber has flame retardant performance, and thus the diversified requirements of people in the current society can be well met.

Drawings

FIG. 1 is a schematic diagram of a right-view vertical cross-sectional three-dimensional structure of a phase-change microcapsule fiber preparation device provided by the invention;

FIG. 2 is a schematic diagram of a left-view vertical cross-sectional three-dimensional structure of a phase-change microcapsule fiber preparation device provided by the present invention;

FIG. 3 is a schematic structural diagram of a bottom-view vertical cross-section of a phase-change microcapsule fiber preparation device provided by the present invention;

fig. 4 is a schematic flow structure diagram of a method for preparing phase-change microcapsule fibers according to the present invention.

In the figure: 1 preparation case, 2 feeder hoppers, 3 controllers, 4L type boards, 5 stirring motors, 6 filter screens, 7 stirring shafts, 8 stirring rods, 9 gears, 10 liquid outlet pipes, 11 electromagnetic valves and 12 material receiving boxes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Embodiment 1, referring to fig. 1 to 4, a device and a method for preparing phase change microcapsule fibers, the device for preparing phase change microcapsule fibers comprises a preparation box 1 with two support plates welded on the outer wall of the bottom, a feed hopper 2 fixedly communicated with the top of the preparation box 1, a controller 3 fixed on the outer wall of one side of the preparation box 1 through bolts, an L-shaped plate 4 welded on the outer wall of the other side of the preparation box 1, a stirring motor 5 fixed on the side wall of the L-shaped plate 4 through bolts, a filter screen 6 fixed on the inner wall of the upper part of the preparation box 1 through bolts, two stirring components arranged in a meshed manner and a discharging component, wherein each stirring component comprises a stirring shaft 7 respectively connected with the inner walls of the two sides of the preparation box 1 through two bearings, stirring rods 8 welded on the outer wall of the stirring shaft 7 at equal intervals and a gear 9 sleeved on the stirring shaft 7, the output shaft of the stirring motor 5 is coaxially connected with one end of one stirring shaft 7 through a coupler, the preparation device provided by the invention can fully filter each raw material through the filter screen 6, enables the two stirring assemblies to relatively rotate through the transmission of the two gears 9 to fully stir the added raw material, and can accurately control the time and the temperature required by stirring and mixing the raw materials in each step through the temperature control module and the time control module in the controller 3, thereby improving the preparation quality and the efficiency of the whole preparation device;

the preparation method of the phase-change microcapsule fiber comprises the following steps:

s1: sequentially adding the core master batch solution, water and the dehydroacetic acid preservative into a preparation device according to the mixing ratio of 1:50:20, fully filtering, stirring and mixing at the temperature of 80-100 ℃ for 30-70 min, and preparing into an emulsifier;

s2: sequentially adding polyethylene glycol, a manganese dioxide catalyst and a trimethylolpropane chain extender into a preparation device according to the mixing ratio of 10:2:2, fully filtering, mixing the mixture into an emulsifier in S1, and stirring for 20-40 min under the stirring environment at the temperature of 80-120 ℃ to obtain a phase-change microcapsule solution;

s3: sequentially adding 20% of tetraethoxysilane, 40% of acid liquor and 60% of ethanol into a preparation device according to the mixing ratio of 1:3:5, filtering, mixing with the phase-change microcapsule solution in S2, stirring and mixing at the temperature of 65-85 ℃ for 40-80 min, hydrolyzing, and introducing ammonia gas to obtain a shell-dyeable solution;

s4: sequentially adding the silver fiber solution, the copper fiber solution and the first complexing agent of the nano calcium borate into the preparation device according to the mixing ratio of 1:1:2, filtering, and stirring and mixing with the phase-change microcapsule solution in S2 at the temperature of 75-105 ℃ for 30-45 min;

s5: sequentially adding the basalt fiber solution, the polysulfonamide fiber solution and the second complexing agent into the preparation device according to the mixing ratio of 1:1:2, filtering, stirring and mixing the phase-change microcapsule solution in S2 for 45-65 min at the temperature of 70-95 ℃;

s6: taking out the phase change microcapsule solution through a discharging component, distilling for 1-2 h, and finally preparing phase change microcapsule fiber through melt spinning;

by combining S1 to S6, the antibacterial layer prepared in S5 can be compounded on the surface of the phase-change microcapsule fiber through the first complexing agent by using the S5 and the S6 in a matched manner in the preparation method provided by the invention, so that the phase-change microcapsule fiber has antibacterial performance, and the flame retardant layer prepared in S6 can be compounded on the surface of the phase-change microcapsule fiber through the second complexing agent, so that the phase-change microcapsule fiber has flame retardant performance, and thus the diversified requirements of people in the current society can be well met.

When the preparation device is used, all solution raw materials are sequentially added into a preparation box 1 from a feed hopper 2, then all solution raw materials are fully filtered through a filter screen 6, then a stirring motor 5 is controlled to rotate through a controller 3, an output shaft of the stirring motor 5 drives a stirring shaft 7 above the stirring motor, a stirring rod 8 and a gear 9 to simultaneously rotate in the forward direction, the gear 9 meshed with the lower part of the stirring motor drives the stirring shaft 7 and the stirring rod 8 below the stirring motor to rotate in the reverse direction for fully stirring, after the phase-change microcapsule solution is prepared, an electromagnetic valve 11 is opened to enable the phase-change microcapsule solution to flow into a material receiving box 12 from a liquid outlet pipe 10, then the temperature in each step is automatically controlled through a temperature control module in the controller 3, and the stirring time in each step is automatically controlled through a time control module.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.