CN109602153A - A kind of polychrome polyester fiber mixing brush wire bundle and preparation method thereof - Google Patents
A kind of polychrome polyester fiber mixing brush wire bundle and preparation method thereof Download PDFInfo
- Publication number
- CN109602153A CN109602153A CN201811054746.5A CN201811054746A CN109602153A CN 109602153 A CN109602153 A CN 109602153A CN 201811054746 A CN201811054746 A CN 201811054746A CN 109602153 A CN109602153 A CN 109602153A
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- Prior art keywords
- brush filament
- brush
- cooling
- processing
- fiber
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Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0207—Bristles characterised by the choice of material, e.g. metal
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/0276—Bristles having pointed ends
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/04—Preparing bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/08—Preparing uniform tufts of bristles
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/06—Washing or drying
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
-
- 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
- D01F1/06—Dyes
-
- 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
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Brushes (AREA)
Abstract
The invention discloses a kind of polychrome polyester fiber mixing brush wire bundles and preparation method thereof, use PBT, PET for polyester raw material, it is matched by raw material type and content, using different material to the difference of Dye Adsorption performance, the brush filament of seven kinds of different colours is prepared, while preparing brush filament of different shapes and being applied in combination, the color and glossiness of brush wire bundle entirety can be improved, keep its appearance more beautiful and generous, the adsorbance to coating can be improved additionally by the collocation between each shape brush filament；Fibre-grade kaolin is added in the present invention in brush filament raw material, improves brush filament to the adsorption effect of dyestuff, makes the stronger stabilization of dyeing effect, brush filament color is more preferably；Tip processing is carried out to the brush filament of each color later, on the one hand be conducive to trembling for each color brush filament it is even, along root, the tip of another aspect pointed bristles is more soft, will not damage to paint surfaces, using effect more preferably, suitable for varying environment, the demand of use condition.
Description
Technical field
The present invention relates to brush filament preparation technical fields, and in particular to a kind of polychrome polyester fiber mixing brush wire bundle and its preparation
Method.
Background technique
The existing brush filament for manufacturing brush is natural animal wool or artificial synthesized polyester, nylon monofilament, with
Social progress, brush filament using it is more and more extensive be applied to various industries, brush filament on the market is mainly bristles and its at present
His animal hair or imitative bristles chemical fiber wire are made into.The brush being made into pure bristles is with high costs, is made into imitative bristles chemical fiber wire
Brush, have non-refractory, paint absorption capacity is not high, the disadvantages of being easily bent, thus in order to reduce cost and keep quality, have in the market
Pure bristles are mixed into the mixed hair on the neck being fabricated to together with imitative bristles chemical fiber wire with certain proportion.But this kind of mixed hair on the neck is because having used part
The problem of relative to using pure imitative bristles chemical fibre to still remain higher cost, and easily there is allergy to some crowds in pure bristles
Phenomenon.
Also there is requirement of the demand white (imitative) bristles and black (imitative) bristles (or dyed-black bristle) basis to pattern in market,
It mixes by a certain percentage and is made into colored hair on the neck finished product；Various sizes of bristles finished product or imitative bristles mix matching in different ratios, just
The brush filament finished product of ingredient (i.e. the percentages of length (imitative) bristles) needed for available；The bristles of different sizes or different colours
Can also mix matching with the imitative bristles chemical fiber wire of different sizes or different colours.
Summary of the invention
The present invention provides a kind of polychrome polyester fiber mixing brush wire bundles and preparation method thereof, pass through different colours, shape
Brush filament combination be uniformly mixed so as to obtain, mix the good toughness of brush wire bundle, glossiness is high, beautiful and generous.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of preparation method of polychrome polyester fiber mixing brush wire bundle, the mixing brush wire bundle are mixed by the brush filament of seven kinds of colors
It is combined into；
The specific process steps are as follows:
(1) raw material is weighed according to following seven groups of different material component proportions:
30-35%PBT, 65-70%PET；2.: 25-30%PBT, 70-75% PBT semi-dull；3.: 18-25%PBT,
75-82%PET；4.: 8-13%PBT, 87-92% PBT semi-dull；5.: 20-28%PBT, 72-80%PET；6.: 18-25%
PET, 75-82% have greatly light PET；7.: the big delustring PET of 28-33%PET, 28-33% PET, 34-44% semi-dull；
(2) raw material proportioning 1. organized according to the, weighed polyester raw material is dried, dry in dynamic vacuum
Dry 8-12h, drying temperature put into the polyester raw material after drying in screw extruder at 100-110 DEG C in machine, are added poly-
Polypropylene, the polyvinyl chloride of 6-11%, the pentaerythritol ester of 0.2-0.8%, the 5-12% fiber of ester total mass of raw material 8-12%
Grade kaolin, the plasticizer of 0.2-1.5%, 1.5-3% lubricant, and configure appropriate color proportion, be heated to molten condition
Squeeze out the chemical fibre brush filament of particle size；
(3) the chemical fibre brush filament after squeezing out to step (2) carries out a cooling and shaping, then is stretched through dragger, is secondary cold
But, sizing obtains thin footpath brush filament of different shapes；
(4) remaining six groups of polyester fiber thin footpath brush filaments are prepared according to step (2), the method for (3), with wrap-up by thin footpath
Brush filament is cut into predetermined length, and winding film is wrapped outside brush filament, the spinning cake of length needed for being formed；Spinning cake is vertically arranged in tip
In brush filament forming tank, treatment fluid is added, tip processing is carried out to spinning cake one end, after the completion of processing, spinning cake is taken out, first in clear water
Impregnate 15-25h, then sufficiently washed under flowing water, be most dehydrated afterwards, dry after obtain the brush filament of tip sharpening；
(5) preparation of brush wire bundle is mixed:
A, according to the proportion of different colours brush filament, seven kinds of pointed bristles of above-mentioned preparation are shaken loose using mao machine of trembling, tremble it is even,
The brush filament of mixing is equably sprinkled upon in bristle treating machine sieve later, along hair, keeps the tip of seven kinds of brush filaments consistent with along root machine；
B, the mixing brush filament after above-mentioned suitable hair is coated into upper retainer plate, after pier is flat, the end for mixing brush filament is passed through fervent
The fixed bunchy of bundles of method is cut, mixing brush wire bundle is obtained.
Further, seven groups of different material component proportions in the step (1) are as follows: 1.: 35%PBT, 65%PET；②:
28%PBT, 72% PBT semi-dull；3.: 20%PBT, 80%PET；4.: 10%PBT, 90% PBT semi-dull；5.: 24%PBT,
76%PET；6.: 20%PET, 80% have greatly light PET；7.: 30%PET, 30% PET semi-dull, 40% big delustring PET.
Further, the section for the thin footpath brush filament that step (3) obtains can be triangle, quadrangle, pentagon
Or it is round, the brush filament may be corrugation or air silk.
Further, the shape of seven kinds of mixing brush wire bundle can choose identical or different or in which several
Kind is identical.
Further, step (4) treatment fluid is the sodium hydrate aqueous solution of 20%-40%, and treatment fluid temperature is
50 DEG C -80 DEG C, handle time 0.5-3h.
The polychrome polyester fiber mixing brush wire bundle being prepared such as above-mentioned preparation method, the diameter of the brush filament 0.16 ±
0.02mm, the length of the brush filament is in 55-60mm.
The present invention has the beneficial effect that:
Use PBT, PET for polyester raw material in the present invention, using different material to the difference of Dye Adsorption performance, adjustment is former
The proportion for expecting type and content, prepares the brush filament of seven kinds of different colours, while difference is prepared in the stretching of brush filament, type-approval process
The optical fiber that can enhance brush filament is applied in combination between different shape brush filament in the brush filament (such as triangle wire, quadrangle silk, corrugation) of shape
Reflecting effect cooperates the collocation of different colours, improves the color and glossiness of brush wire bundle entirety, keeps its appearance more beautiful big
Side, in addition brush filament of different shapes with paint etc. the contact area of coating it is different, can be improved by the collocation between each shape brush filament
To the adsorbance of coating, and the color between different brush filaments, shape collocation can be adjusted according to customer demand, use demand；
Addition fibre-grade kaolin in raw material is prepared in brush filament in the present invention, brush filament can be improved to the adsorption effect of dyestuff, brush filament is made to exist
It is not susceptible to decolourize in subsequent process, makes the stronger stabilization of dyeing effect, brush filament color is more preferably；Later to each color
Brush filament carry out tip processing, be on the one hand conducive to trembling for each color brush filament it is even, along root, the tip of another aspect pointed bristles is more
Add softness, paint surfaces will not be damaged, using effect more preferably, suitable for varying environment, the demand of use condition.
Specific embodiment
The following specific embodiments are described below is described further the present invention.
Embodiment one
A kind of preparation method of polychrome polyester fiber mixing brush wire bundle, the specific process steps are as follows:
(1) raw material is weighed according to following seven groups of different material component proportions:
Seven groups of different material component proportions in the step (1) are as follows: 1.: 35%PBT, 65%PET；2.: 28%PBT,
72% PBT semi-dull；3.: 20%PBT, 80%PET；4.: 10%PBT, 90% PBT semi-dull；5.: 24%PBT, 76%PET；
6.: 20%PET, 80% have greatly light PET；7.: 30%PET, 30% PET semi-dull, 40% big delustring PET；
(2) raw material proportioning 1. organized according to the, weighed polyester raw material is dried, dry in dynamic vacuum
Dry 12h, drying temperature put into the polyester raw material after drying in screw extruder at 110 DEG C in machine, and polyester raw material is added
The polypropylene of gross mass 10%, 8% polyvinyl chloride, 0.4% pentaerythritol ester, 9% fibre-grade kaolin, 1.0% increasing
The lubricant of agent, 2.0% is moulded, and configures 3% dyestuff disperse golden yellow E-3RL, is heated to the chemical fibre that molten condition squeezes out particle size
Brush filament；
(3) the chemical fibre brush filament after squeezing out to step (2) carries out a cooling and shaping, then is stretched through dragger, is secondary cold
But, sizing obtains circular thin footpath brush filament；
(4) remaining six groups of polyester fiber thin footpath brush filaments are prepared according to step (2), the method for (3), with wrap-up by thin footpath
Brush filament is cut into predetermined length, and winding film is wrapped outside brush filament, the spinning cake of length needed for being formed；Spinning cake is vertically arranged in tip
In brush filament forming tank, the sodium hydrate aqueous solution for being added 40% is treatment fluid, and treatment fluid temperature is 70 DEG C, handles time 2h, place
After the completion of reason, take out spinning cake, first impregnate 25h in clear water, then sufficiently washed under flowing water, be most dehydrated afterwards, dry after obtain
The brush filament that tip sharpens；
(5) preparation of brush wire bundle is mixed:
A, seven kinds of pointed bristles of above-mentioned preparation are mixed according to the ratio of 1:1:1:1:1:1:1, it will be upper using mao machine is trembled
It states seven kinds of pointed bristles to shake loose, tremble even, the brush filament of mixing is equably sprinkled upon in bristle treating machine sieve later, utilizes brush filament two
The difference for holding weight, along hair, keeps the tip of seven kinds of brush filaments consistent with along root machine；
B, the mixing brush filament after above-mentioned suitable hair is coated into upper retainer plate, after pier is flat, the end for mixing brush filament is passed through fervent
The fixed bunchy of bundles of method is cut, mixing brush wire bundle is obtained；The diameter of the brush filament is in 0.16 ± 0.02mm, the length of the brush filament
Degree is in 57mm.
Embodiment two
Using disperse blue 2B2H, disperse golden yellow E-3RL, disperse scarlet GS as dyestuff, to raw material, 1. 2. group uses disperse blue
2B2H, to raw material, 3. 4. 5. group uses disperse golden yellow E-3RL, and to raw material, 6. 7. group use dissipates bright red GS；Specific preparation step with
Embodiment one is identical, obtains the mixing brush wire bundle of different combinations of colors.
Embodiment three
To raw material, 1. 2. group drawing and setting is prepared into triangle wire, and to raw material, 3. 4. group drawing and setting is prepared into elliptical filaments, right
5. 6. group drawing and setting is prepared into circular wire to raw material, and drawing and setting is 7. organized to raw material and is prepared into corrugation；
Other preparation steps are the same as example 1, and obtain the brush wire bundle of several different shape brush filament mixing.
Claims (5)
1. the processing method that a kind of corrugated imitates bristle brush silk, which is characterized in that the imitative bristle brush silk is poly- with PTT polyester or PBT
The core-sheath compound fibre brush filament that ester is cortex, PET polyester is sandwich layer composition；
The specific process steps are as follows:
(1) respectively by cortex polyester slice, sandwich layer polyester slice raw material heat drying, then heating temperature is divided at 100-120 DEG C
It Tou Ru not be heated to molten condition in screw extruder, squeeze out, respectively obtain cortex polyester as-spun fibre, the sandwich layer polyester of particle size
As-spun fibre；
(2) Asymmetrical cooling is handled: using high-speed low temperature air-flow cooling down on one side to the particle size as-spun fibre of above-mentioned extrusion
Processing, wind speed 4-7m/s, wind-warm syndrome are 15-20 DEG C；
(3) stretch processing: by above-mentioned particle size cortex as-spun fibre after cooling, particle size sandwich layer as-spun fibre by traction device into
The processing of row Uniform Tension, draw ratio are 2.0-2.5 times；
(4) secondary Asymmetrical cooling processing: the fiber after being stretched using high-speed low temperature air-flow to step (3) carries out cooling place on one side
Reason, wind speed 4-7m/s, wind-warm syndrome are 10-15 DEG C, and this time the fibrous face of cooling treatment is consistent with the cooling surface of step (2)；
(5) Cortical fiber sofening treatment: the Cortical fiber after above-mentioned secondary cooling is sent into heating device and is heated and softened
Processing, softening temperature is at 110-130 DEG C；
(6) cladding winding processing:
By step (4) PBT fiber after cooling using after Hot-blast Heating, flat fiber is made by flattening device, then will
PET fiber after above-mentioned softening is wrapped around on PBT fiber, then is placed in 120-130 DEG C of hot air apparatus, keeps 15-
30min；
(7) succeeding stretch is handled:
Composite fibre after above-mentioned cladding is subjected to Uniform Tension processing by traction device, draw ratio is 2.0-3.0 times；
(8) heated at constant temperature setting treatment: ripple brushing machine mode is used, the fiber brush filament after above-mentioned succeeding stretch is pressurizeed to obtain
Ripple curly wire is sent into constant temperature modular system after the processing of ring air cooling and carries out heat-shaping to brush filament, heating temperature is in 145-
165 DEG C, heating time is in 8-15min；
(9) corrugated is obtained after thermal finalization and imitates bristle brush silk, and winding is carried out to brush filament and is cut out to required length, finishing and packing is
It can.
2. the processing method that a kind of corrugated according to claim 1 imitates bristle brush silk, which is characterized in that the step (1)
Polyester slice is thermally dried, the moisture content of polyester slice is less than 0.01% after control is dry.
3. the processing method that a kind of corrugated according to claim 1 imitates bristle brush silk, which is characterized in that the step (6)
The composite fibre obtained after cladding winding is cylindrical skin-core structure.
4. a kind of processing method a method according to any one of claims 1-3 is prepared corrugated and imitates bristle brush silk, which is characterized in that institute
The core-skin layer ratio of imitative bristle brush silk is stated at (3-4): 9.
5. a kind of corrugated according to claim 4 imitates bristle brush silk, which is characterized in that the diameter of the imitative bristle brush silk exists
0.16 ± 0.02mm, the length of the imitative bristle brush silk is in 55-60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054746.5A CN109602153A (en) | 2018-09-11 | 2018-09-11 | A kind of polychrome polyester fiber mixing brush wire bundle and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054746.5A CN109602153A (en) | 2018-09-11 | 2018-09-11 | A kind of polychrome polyester fiber mixing brush wire bundle and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109602153A true CN109602153A (en) | 2019-04-12 |
Family
ID=66001584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811054746.5A Pending CN109602153A (en) | 2018-09-11 | 2018-09-11 | A kind of polychrome polyester fiber mixing brush wire bundle and preparation method thereof |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109576805A (en) * | 2018-09-11 | 2019-04-05 | 安徽玉达工具有限公司 | A kind of corrugated imitates bristle brush silk and its processing method |
| CN115537970A (en) * | 2022-11-08 | 2022-12-30 | 湖南捷立康科技有限公司 | Durable and efficient polishing brush filament composite material and preparation method thereof |
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| CN101328636A (en) * | 2008-07-25 | 2008-12-24 | 上海太平洋纺织机械成套设备有限公司 | Polyester staple fiber postprocessing process of flexible production process |
| CN102517676A (en) * | 2011-12-16 | 2012-06-27 | 杭州贝斯特化纤有限公司 | Flame-resistant and antibacterial polyester staple fiber and production technique thereof |
| CN103541047A (en) * | 2013-10-11 | 2014-01-29 | 津市市金湘猪鬃实业有限公司 | Manufacturing process of mixed bristles |
| CN106891540A (en) * | 2017-03-15 | 2017-06-27 | 安徽省潜山县鑫烨塑刷有限公司 | A kind of brush filament constant temperature setting process |
| CN107125915A (en) * | 2017-04-18 | 2017-09-05 | 安徽振达刷业有限公司 | A kind of compound brush filament production technology |
| CN207355720U (en) * | 2017-10-12 | 2018-05-15 | 汕头市宏隆实业有限公司 | The toothbrush that a kind of whole beam of bristle is fixed |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328636A (en) * | 2008-07-25 | 2008-12-24 | 上海太平洋纺织机械成套设备有限公司 | Polyester staple fiber postprocessing process of flexible production process |
| CN102517676A (en) * | 2011-12-16 | 2012-06-27 | 杭州贝斯特化纤有限公司 | Flame-resistant and antibacterial polyester staple fiber and production technique thereof |
| CN103541047A (en) * | 2013-10-11 | 2014-01-29 | 津市市金湘猪鬃实业有限公司 | Manufacturing process of mixed bristles |
| CN106891540A (en) * | 2017-03-15 | 2017-06-27 | 安徽省潜山县鑫烨塑刷有限公司 | A kind of brush filament constant temperature setting process |
| CN107125915A (en) * | 2017-04-18 | 2017-09-05 | 安徽振达刷业有限公司 | A kind of compound brush filament production technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109576805A (en) * | 2018-09-11 | 2019-04-05 | 安徽玉达工具有限公司 | A kind of corrugated imitates bristle brush silk and its processing method |
| CN115537970A (en) * | 2022-11-08 | 2022-12-30 | 湖南捷立康科技有限公司 | Durable and efficient polishing brush filament composite material and preparation method thereof |
| CN115537970B (en) * | 2022-11-08 | 2024-04-05 | 湖南捷立康科技有限公司 | Durable high-efficiency polishing brush wire composite material and preparation method thereof |
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