CN110923846A - Production process of rolling brush bristles - Google Patents
Production process of rolling brush bristles Download PDFInfo
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- CN110923846A CN110923846A CN201911167058.4A CN201911167058A CN110923846A CN 110923846 A CN110923846 A CN 110923846A CN 201911167058 A CN201911167058 A CN 201911167058A CN 110923846 A CN110923846 A CN 110923846A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/18—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a production process of brush hair of a rolling brush, which comprises the following steps: step one, preparing a fiber matrix: adding polypropylene fiber into a high-pressure reaction kettle, then adding banana fiber accounting for 40-50% of the total amount of the polypropylene fiber, then adding a crosslinking softening agent accounting for 2-3 times of the total amount of the polypropylene fiber, and starting the high-pressure reaction kettle. The fiber matrix is formed by modifying polypropylene fiber and banana fiber, the polypropylene fiber has the advantages of high strength, good toughness, good chemical resistance and antimicrobial property, low price and the like, the matrix with high strength and degradability can be formed through modification treatment of a crosslinking softening agent, and then the matrix is compounded with chitosan modification liquid and a strength auxiliary agent to prepare the material which has high strength and is degradable.
Description
Technical Field
The invention relates to the technical field of rolling brush bristles, in particular to a production process of rolling brush bristles.
Background
The rolling brush is a special tool for decoration, the materials of the rolling brush are mostly engineering plastics and fibers, the rolling brush is made of natural wool fabric, the brushing brush and the weaving terminology adopt a brushing machine to manufacture a spiral method or a rolling shaft rotating method by extruding monofilaments for fabrics or other objects, and the impurities on the surfaces of the fabrics are removed or the fluff of the fabrics is enabled to be more full and tidy. The brush hair is identified as sanding and plucking. Not only the fabric is ground to obtain fluff by the licker-in, but also the fluff is combed to be tidy. Are all processing techniques adopted in the after finishing of textiles.
In the prior art, the raw materials adopted by the bristles are conventional, the strength performance is poor, and the using effect on the roller brush is not ideal, so that the treatment needs to be further improved.
Chinese patent document CN110373746A discloses a degradable civil brush wire and a production method thereof, and the degradable civil brush wire comprises the following raw materials in parts by weight: 10-20 parts of natural fiber, 5-10 parts of glass fiber, 40-50 parts of modified starch base material, 1-5 parts of polyvinyl alcohol, 1-5 parts of cellulose, 1-5 parts of lignin, 1-3 parts of coupling agent and 1-3 parts of foaming agent, wherein the natural fiber is one or combination of cotton-flax fiber, horsetail hair or silkworm cocoon fiber, and the brush hair has the advantages of environmental protection and degradability, but has poor strength and hardness performance and poor effect when being applied to a rolling brush.
Disclosure of Invention
The invention aims to provide a production process of brush hair of a rolling brush, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a production process of rolling brush bristles comprises the following steps:
step one, preparing a fiber matrix: adding polypropylene fibers into a high-pressure reaction kettle, then adding banana fibers accounting for 40-50% of the total amount of the polypropylene fibers, then adding a crosslinking softening agent accounting for 2-3 times of the total amount of the polypropylene fibers, starting the high-pressure reaction kettle, reacting for 1-2h at the rotation speed of 1000r/min and the reaction pressure of 10-40MPa, washing and drying after the reaction is finished, and then sending the obtained product into a double-screw extruder for extrusion at the extrusion temperature of 210-280 ℃ to obtain a fiber matrix;
step two, chitosan modification treatment: adding chitosan into the rare earth modified liquid for hyperchemical treatment for 10-20min, wherein the hyperchemical power is 200-300W, then carrying out freezing heat treatment for 10-20min, and finishing the treatment;
step three, preparing a strength auxiliary agent: putting pyrophyllite into a reaction bottle to prepare suspension, adding aluminum silicate, adjusting the pH to 4.5-5.5, filtering, washing and drying to obtain aluminum silicate modified pyrophyllite;
step four, blending the raw materials: sequentially adding the fiber substrate, the modified chitosan and the strength auxiliary agent into a stirrer for stirring and mixing, wherein the mixing speed is 1000-1500r/mion, and the mixing is carried out for 20-30 min;
step five: extruding and drawing: and adding the mixture obtained in the step four into a double-screw extruder for extrusion, then performing melt wire drawing, cutting after wire drawing, and cooling to obtain the rolling brush bristles.
Preferably, the preparation method of the crosslinking softening agent in the first step is to add dibutyltin dilaurate into trimethylolpropane-tris (3-aziridinyl) propionate, sequentially add modified diamond powder, methylcellulose and hydroxypropyl cyclodextrin into the trimethylolpropane-tris (3-aziridinyl) propionate, stir the mixture at a high rotation speed of 1000-2000r/min for 1-2h, and obtain the crosslinking softening agent after the stirring is finished.
Preferably, the preparation method of the modified diamond powder comprises the steps of calcining the diamond powder at 1050-.
Preferably, the preparation method of the emollient comprises the steps of firstly mixing the sorbitan sesquioleate and the sodium alginate solution at the rotation speed of 100-200r/min, then adding the white oil and the diesel oil, continuing stirring at the rotation speed of 500-900r/min for 1-2h, and finishing stirring to obtain the emollient.
Preferably, in the second step, the rare earth modification solution is prepared into a rare earth solution with the concentration of 10-15% by taking absolute ethyl alcohol as a solvent and rare earth lanthanum chloride as a solute.
Preferably, the specific steps of the freezing and heat treatment in the second step are that the chitosan solution is frozen at the temperature of-5 ℃, then unfreezed, then the temperature is raised to 90-100 ℃ at the speed of 5 ℃/min, then the temperature is kept for 20-30min, and finally the temperature is naturally restored to the room temperature.
Preferably, the temperature of the melt drawing in the step five is 300-900 ℃.
Preferably, the temperature of the melt drawing is 600 ℃.
Compared with the prior art, the invention has the following beneficial effects:
(1) the fiber matrix is formed by modifying polypropylene fiber and banana fiber, the polypropylene fiber has the advantages of high strength, good toughness, good chemical resistance and antimicrobial property, low price and the like, the banana fiber has the functions of light weight, good gloss, high water absorption, strong antibacterial property, easy degradation, environmental protection and the like, the matrix with high strength and degradation capability can be formed by modification treatment of a crosslinking softening agent, and then the material prepared by compounding the matrix with chitosan modification solution and a strength auxiliary agent has high strength and is degradable.
(2) The preparation of the crosslinking softening agent is compounded by adopting an initiator, a crosslinking agent, modified diamond powder and methyl cellulose, so that polypropylene fibers and banana fibers are better synthesized to form an integral structure, the degradation and strength performance are improved, chitosan is better compatible with a fiber matrix through rare earth modified liquid and freezing heat treatment in sequence, the degradability is improved, and the added strength auxiliary agent is modified by adopting pyrophyllite and aluminum silicate, so that the strength performance of the material is further improved.
(3) As is apparent from examples 1 to 3 and comparative examples 1 to 2, the tensile strength at break of example 3 of the present invention was 5.3cN/dtex and the elongation at break was 3.9%, while the tensile strength at break of comparative example 2 was 3.9cN/dtex and the elongation at break was 2.2%, and thus it was found that the present invention had a strong tensile strength at break and elongation at break as compared with comparative example 2.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the production process of the rolling brush bristles comprises the following steps:
step one, preparing a fiber matrix: adding polypropylene fibers into a high-pressure reaction kettle, then adding banana fibers accounting for 40% of the total amount of the polypropylene fibers, then adding a crosslinking softening agent accounting for 2 times of the total amount of the polypropylene fibers, starting the high-pressure reaction kettle, enabling the high-pressure reaction kettle to rotate at a speed of 300r/min and a reaction pressure of 10MPa, reacting for 1 hour, washing, drying, and then sending into a double-screw extruder for extrusion, wherein the extrusion temperature is 210 ℃, so as to obtain a fiber substrate;
step two, chitosan modification treatment: adding chitosan into the rare earth modified liquid for hyperchemical treatment for 10min, wherein the hyperchemical power is 200W, then carrying out freezing heat treatment for 10min, and finishing the treatment;
step three, preparing a strength auxiliary agent: putting pyrophyllite into a reaction bottle to prepare a suspension, adding aluminum silicate, adjusting the pH to 4.5, filtering, washing and drying to obtain aluminum silicate modified pyrophyllite;
step four, blending the raw materials: sequentially adding the fiber matrix, the modified chitosan and the strength auxiliary agent into a stirrer to be stirred and mixed, wherein the mixing speed is 1000r/mion, and the mixing time is 20 min;
step five: extruding and drawing: and adding the mixture obtained in the step four into a double-screw extruder for extrusion, then performing melt wire drawing, cutting after wire drawing, and cooling to obtain the rolling brush bristles.
In the first step of this embodiment, the preparation method of the crosslinking softening agent includes adding dibutyltin dilaurate to trimethylolpropane-tris (3-aziridinyl) propionate, sequentially adding modified diamond powder, methylcellulose, and hydroxypropyl cyclodextrin, stirring at a high rotation speed of 1000r/min for 1 hour, and obtaining the crosslinking softening agent after the stirring is finished.
The preparation method of the modified diamond powder of this embodiment is to calcine the diamond powder at 1050 ℃, calcine for 1 hour, then cool it to room temperature rapidly with cold water, grind it through 200-300 mesh sieve, then add emollient to carry out ultrasonic reaction for 20min, the ultrasonic power is 100W, finally wash and dry it.
The preparation method of the emollient of the embodiment comprises the steps of mixing sorbitan sesquioleate and sodium alginate solution at the rotation speed of 1000r/min for 30-40min, then adding white oil and diesel oil, continuing stirring at the rotation speed of 500r/min for 1-2h, and obtaining the emollient after stirring.
In the second step of this embodiment, the rare earth modification solution is prepared into a rare earth solution with a concentration of 10% by using absolute ethyl alcohol as a solvent and rare earth lanthanum chloride as a solute.
The specific steps of the freezing and heat treatment in the second step of this embodiment are to freeze the chitosan solution at a temperature of-5 ℃, then to thaw the chitosan solution, then to raise the temperature to 90 ℃ at a rate of 5 ℃/min, then to keep the temperature for 20min, and finally to naturally return to room temperature.
The temperature of melt drawing in the fifth step of this example was 300 ℃.
Example 2:
the production process of the rolling brush bristles comprises the following steps:
step one, preparing a fiber matrix: adding polypropylene fibers into a high-pressure reaction kettle, then adding banana fibers accounting for 50% of the total amount of the polypropylene fibers, then adding a crosslinking softening agent accounting for 3 times of the total amount of the polypropylene fibers, starting the high-pressure reaction kettle, reacting for 2 hours at the rotating speed of 1000r/min and the reaction pressure of 40MPa, washing and drying the mixture, and then sending the mixture into a double-screw extruder for extrusion at the extrusion temperature of 280 ℃ to obtain a fiber substrate;
step two, chitosan modification treatment: adding chitosan into the rare earth modified liquid, carrying out ultrasonication for 20min with ultrasonication power of 300W, then carrying out cold heat treatment for 20min, and finishing the treatment;
step three, preparing a strength auxiliary agent: putting pyrophyllite into a reaction bottle to prepare a suspension, adding aluminum silicate, adjusting the pH to 5.5, filtering, washing and drying to obtain aluminum silicate modified pyrophyllite;
step four, blending the raw materials: sequentially adding the fiber substrate, the modified chitosan and the strength auxiliary agent into a stirrer to be stirred and mixed, wherein the mixing speed is 1500r/mion, and the mixing time is 30 min;
step five: extruding and drawing: and adding the mixture obtained in the step four into a double-screw extruder for extrusion, then performing melt wire drawing, cutting after wire drawing, and cooling to obtain the rolling brush bristles.
In the first step of this embodiment, the preparation method of the crosslinking softening agent includes adding dibutyltin dilaurate to trimethylolpropane-tris (3-aziridinyl) propionate, sequentially adding modified diamond powder, methylcellulose, and hydroxypropyl cyclodextrin, stirring at a high rotation speed of 2000r/min for 2 hours, and obtaining the crosslinking softening agent after the stirring is finished.
The preparation method of the modified diamond powder of this embodiment is to calcine the diamond powder at 1150 ℃ for 2 hours, then rapidly cool the calcined diamond powder to room temperature with cold water, grind and pass through a 300-mesh sieve, then add a wetting agent to perform an ultrasonic reaction for 30min with an ultrasonic power of 200W, and finally wash and dry the product.
The preparation method of the emollient of the embodiment includes mixing sorbitan sesquioleate and sodium alginate solution at a rotation speed of 200r/min for 40min, then adding white oil and diesel oil, continuing to stir at a rotation speed of 900r/min for 2h, and finishing stirring to obtain the emollient.
In the second step of this embodiment, the rare earth modification solution is prepared into a rare earth solution with a concentration of 10-15% by using absolute ethanol as a solvent and rare earth lanthanum chloride as a solute.
The specific steps of the freezing and heat treatment in the second step of this embodiment are to freeze the chitosan solution at a temperature of-5 ℃, then to thaw the chitosan solution, then to raise the temperature to 100 ℃ at a rate of 5 ℃/min, then to keep the temperature for 30min, and finally to naturally return to room temperature.
The temperature of melt drawing in the fifth step of this example was 900 ℃.
Example 3:
the production process of the rolling brush bristles comprises the following steps:
step one, preparing a fiber matrix: adding polypropylene fibers into a high-pressure reaction kettle, then adding banana fibers accounting for 45% of the total amount of the polypropylene fibers, then adding a crosslinking softening agent accounting for 2.5 times of the total amount of the polypropylene fibers, starting the high-pressure reaction kettle, reacting for 1.5 hours at the rotating speed of 700r/min and the reaction pressure of 25MPa, finishing the reaction, washing with water, drying, and then sending into a double-screw extruder for extrusion at the extrusion temperature of 245 ℃, thus obtaining a fiber substrate;
step two, chitosan modification treatment: adding chitosan into the rare earth modification liquid for hyperchemical treatment for 15min, wherein the hyperchemical power is 200-300W, then carrying out freezing heat treatment for 15min, and finishing the treatment;
step three, preparing a strength auxiliary agent: putting pyrophyllite into a reaction bottle to prepare a suspension, adding aluminum silicate, adjusting the pH to 5.0, filtering, washing and drying to obtain aluminum silicate modified pyrophyllite;
step four, blending the raw materials: sequentially adding the fiber matrix, the modified chitosan and the strength auxiliary agent into a stirrer to be stirred and mixed, wherein the mixing rotating speed is 1250r/mion, and the mixing time is 15 min;
step five: extruding and drawing: and adding the mixture obtained in the step four into a double-screw extruder for extrusion, then performing melt wire drawing, cutting after wire drawing, and cooling to obtain the rolling brush bristles.
In the first step of this embodiment, the preparation method of the crosslinking softening agent includes adding dibutyltin dilaurate to trimethylolpropane-tris (3-aziridinyl) propionate, sequentially adding modified diamond powder, methylcellulose, and hydroxypropyl cyclodextrin, and stirring at a high rotation speed of 1500r/min for 1.5h, where the stirring is completed, so as to obtain the crosslinking softening agent.
The preparation method of the modified diamond powder of this embodiment is to calcine the diamond powder at 1100 ℃, for 1.5 hours, then rapidly cool it to room temperature with cold water, grind it through a 250 mesh sieve, then add a wetting agent to carry out an ultrasonic reaction for 25min, with an ultrasonic power of 150W, and finally wash and dry it.
The preparation method of the emollient of the embodiment includes mixing sorbitan sesquioleate and sodium alginate solution at a rotation speed of 150r/min for 35min, then adding white oil and diesel oil, continuing to stir at a rotation speed of 700r/min for 1.5h, and finishing stirring to obtain the emollient.
In the second step of this embodiment, anhydrous ethanol is used as a solvent and rare earth lanthanum chloride is used as a solute to prepare a rare earth solution with a concentration of 12.5%.
The specific steps of the freezing and heat treatment in the second step of this embodiment are to freeze the chitosan solution at a temperature of-5 ℃, then to thaw the chitosan solution, then to raise the temperature to 95 ℃ at a rate of 5 ℃/min, then to keep the temperature for 25min, and finally to naturally return to room temperature.
The temperature of the melt drawing in this example was 600 ℃.
Comparative example 1.
The material and preparation process were substantially the same as those of example 3, except that no crosslinking softening agent was added.
Comparative example 2.
Basically the same materials and preparation process as those in example 3, except that the material and method in example 1 of a degradable civil brush wire and a production method thereof are disclosed in chinese patent document CN 110373746A.
The results of the performance tests of examples 1 to 3 and comparative examples 1 to 2 are as follows
| Tensile breaking Strength (cN/dtex) | Elongation at Break (%) | |
| Example 1 | 5.2 | 3.7 |
| Example 2 | 5.1 | 3.8 |
| Example 3 | 5.3 | 3.9 |
| Comparative example 1 | 4.5 | 3.3 |
| Comparative example 2 | 3.9 | 2.2 |
As is apparent from examples 1 to 3 and comparative examples 1 to 2, the tensile strength at break of example 3 of the present invention was 5.3cN/dtex and the elongation at break was 3.9%, while the tensile strength at break of comparative example 2 was 3.9cN/dtex and the elongation at break was 2.2%, and thus it was found that the present invention had a strong tensile strength at break and elongation at break as compared with comparative example 2.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The production process of the rolling brush bristles is characterized by comprising the following steps of:
step one, preparing a fiber matrix: adding polypropylene fibers into a high-pressure reaction kettle, then adding banana fibers accounting for 40-50% of the total amount of the polypropylene fibers, then adding a crosslinking softening agent accounting for 2-3 times of the total amount of the polypropylene fibers, starting the high-pressure reaction kettle, reacting for 1-2h at the rotation speed of 1000r/min and the reaction pressure of 10-40MPa, washing and drying after the reaction is finished, and then sending the obtained product into a double-screw extruder for extrusion at the extrusion temperature of 210-280 ℃ to obtain a fiber matrix;
step two, chitosan modification treatment: adding chitosan into the rare earth modified liquid for hyperchemical treatment for 10-20min, wherein the hyperchemical power is 200-300W, then carrying out freezing heat treatment for 10-20min, and finishing the treatment;
step three, preparing a strength auxiliary agent: putting pyrophyllite into a reaction bottle to prepare suspension, adding aluminum silicate, adjusting the pH to 4.5-5.5, filtering, washing and drying to obtain aluminum silicate modified pyrophyllite;
step four, blending the raw materials: sequentially adding the fiber substrate, the modified chitosan and the strength auxiliary agent into a stirrer for stirring and mixing, wherein the mixing speed is 1000-1500r/mion, and the mixing is carried out for 20-30 min;
step five: extruding and drawing: and adding the mixture obtained in the step four into a double-screw extruder for extrusion, then performing melt wire drawing, cutting after wire drawing, and cooling to obtain the rolling brush bristles.
2. The process for producing a roll brush bristle according to claim 1, wherein the cross-linking softening agent in the first step is prepared by adding dibutyltin dilaurate to trimethylolpropane-tris (3-aziridinyl) propionate, sequentially adding modified diamond powder, methylcellulose and hydroxypropyl cyclodextrin, stirring at a high speed of 1000-2000r/min for 1-2h, and obtaining the cross-linking softening agent after the stirring is finished.
3. The process for producing roller brush bristles according to claim 2, wherein the modified diamond powder is prepared by calcining diamond powder at 1050-.
4. The process for producing round brush bristles as claimed in claim 3, wherein the emollient is prepared by mixing sorbitan sesquioleate and sodium alginate solution at a rotation speed of 100-200r/min for 30-40min, adding white oil and diesel oil, stirring at a rotation speed of 500-900r/min for 1-2h, and obtaining the emollient after the stirring.
5. The process for producing round brush bristles according to claim 1, wherein in the second step, the rare earth modification solution is prepared into a rare earth solution with the concentration of 10-15% by taking absolute ethyl alcohol as a solvent and rare earth lanthanum chloride as a solute.
6. The process for producing round brush bristles according to claim 1, wherein the freezing and heat treatment in the second step comprises the steps of freezing the chitosan solution at a temperature of-5 ℃, then thawing, raising the temperature to 90-100 ℃ at a speed of 5 ℃/min, then preserving the temperature for 20-30min, and finally naturally recovering to room temperature.
7. The process for producing roller brush bristles according to claim 1, wherein the temperature for the melt-drawing in the fifth step is 300-900 ℃.
8. The process for manufacturing a roll brush bristle according to claim 7, wherein the melt-drawing temperature is 600 ℃.
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