CN110714235A - Nylon brush wire product and manufacturing method thereof - Google Patents
Nylon brush wire product and manufacturing method thereof Download PDFInfo
- Publication number
- CN110714235A CN110714235A CN201910948852.6A CN201910948852A CN110714235A CN 110714235 A CN110714235 A CN 110714235A CN 201910948852 A CN201910948852 A CN 201910948852A CN 110714235 A CN110714235 A CN 110714235A
- Authority
- CN
- China
- Prior art keywords
- parts
- brush wire
- wire product
- putting
- hot air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
-
- 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
- A46D1/0269—Monofilament bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/04—Preparing bristles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Harvester Elements (AREA)
- Brushes (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a nylon brush wire product and a manufacturing method thereof, wherein the nylon brush wire product comprises the following raw materials in parts by weight: 50-60 parts by mass of nylon; 20-30 parts by mass of abrasive; 2-3 parts of coupling agent; 3-6 parts of a solid lubricating antiwear agent; the antioxidant is 3-5 parts by mass. The invention can effectively avoid the oxidation deterioration phenomenon of the solid lubrication antiwear agent in the high-temperature processing process by adding the antioxidant and the solid lubrication antiwear agent, enhances the oxidation resistance and the wear resistance of the nylon brush wire product in the using process, prolongs the service life of the nylon brush wire product, reduces the friction coefficient of the nylon brush wire product, and obviously improves the hardness and the tensile strength of the brush wire.
Description
Technical Field
The invention relates to the technical field of nylon products, in particular to a nylon brush wire product and a manufacturing method thereof.
Background
At present, the existing nylon brush wire products have some defects, such as; the solid lubricating antiwear agent is easy to be oxidized and deteriorated under the condition of high-temperature processing in the manufacturing process of the existing nylon brush wire product, so that the oxidation resistance and the wear resistance of the nylon brush wire product in the using process are weakened, the service life of the nylon brush wire product is shortened, the friction coefficient of the existing nylon brush wire product is higher, and the hardness and the tensile strength of brush wires are lower.
Disclosure of Invention
The invention aims to provide a nylon brush wire product and a manufacturing method thereof, which solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a nylon brush wire product and a manufacturing method thereof comprise the following raw materials in parts by weight: 50-60 parts by mass of nylon; 20-30 parts by mass of abrasive; 2-3 parts of coupling agent; 3-6 parts of a solid lubricating antiwear agent; the antioxidant is 3-5 parts by mass.
As a preferred embodiment of the invention, the nylon brush wire product comprises the following raw materials in parts by weight: 55 parts of nylon; 25 parts by mass of abrasive; the coupling agent was 3 parts by mass.
As a preferred embodiment of the invention, the nylon brush wire product comprises the following raw materials in parts by weight: 55 parts of nylon; 25 parts by mass of abrasive; 3 parts of a coupling agent by mass; 4 parts of solid lubricating antiwear agent; the antioxidant was 5 parts by mass.
In a preferred embodiment of the present invention, the method for manufacturing the nylon brush wire product comprises the following steps:
a. weighing the raw materials in parts by weight;
b. after the step a is finished, putting the weighed raw materials into an oven for drying;
c. after the step b is finished, adding a coupling agent into a diluent for dilution, and then putting the dried grinding material and the diluted coupling agent into a mixer for mixing to obtain a mixture A;
d. after the step c is finished, adding the nylon, the solid lubricating antiwear agent, the antioxidant and the mixture A into a mixer together for mixing to obtain a mixture B;
e. after the step d is finished, putting the mixture B into an extruder for extrusion molding;
f. after the step e is finished, putting the extruded and molded monofilaments into a water tank for cooling and sizing, then carrying out filament separation and water removal under the action of peimine, then putting the monofilaments into a first drawing machine, baking the monofilaments in a first hot air box, then putting the monofilaments into a second drawing machine for primary drawing, wherein the multiplying power is 2.5-3.3 times, the temperature of the hot air box is 120-230 ℃, then putting the monofilaments into a second hot air box for heating and baking, the temperature of the second hot air box is 130-240 ℃, then putting the monofilaments into a third drawing machine for drawing, wherein the multiplying power is 1.1 times, then putting the monofilaments into a third hot air box and a fourth hot air box for hot air sizing, the temperature of the third hot air box is 120-230 ℃, and the temperature of the fourth hot air box is 120-200 ℃;
g. and f, after the step f is finished, reeling and cutting the prepared silk, and then carding and packaging to obtain a finished product.
In a preferred embodiment of the present invention, the solid lubricant anti-abrasion agent is a mixture of one or more of graphite, molybdenum disulfide, talc and tetraborate monoamide.
As a preferred embodiment of the present invention, the abrasive is 100 to 900 mesh silicon carbide or alumina particles.
In a preferred embodiment of the present invention, titanium dioxide is used as the antioxidant.
In a preferred embodiment of the present invention, the temperature of the raw material in step b is 90-110 ℃, and the drying time is 40-70 min.
In a preferred embodiment of the present invention, the rotation speed of the mixer in the step c is 500-800 r/min, the mixing time is 15-25 min, and the mixing temperature is 35-45 ℃.
In a preferred embodiment of the present invention, the rotation speed of the mixer in step d is 1100-1500 r/min, the mixing time is 25-35 min, and the mixing temperature is 40-50 ℃.
In a preferred embodiment of the present invention, the extruder in step e is a twin-screw extruder, and the extruder is required to heat the compound B to melt when extruding the compound B, wherein the heating temperature is 220-250 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the invention can effectively avoid the oxidation deterioration phenomenon of the solid lubrication antiwear agent in the high-temperature processing process by adding the antioxidant and the solid lubrication antiwear agent, enhances the oxidation resistance and the wear resistance of the nylon brush wire product in the using process, prolongs the service life of the nylon brush wire product, reduces the friction coefficient of the nylon brush wire product, and obviously improves the hardness and the tensile strength of the brush wire.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a flow chart of a nylon brush wire product and a manufacturing method thereof.
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.
Referring to fig. 1, the present invention provides a technical solution: a nylon brush wire product and a manufacturing method thereof comprise the following raw materials in parts by weight: 50-60 parts by mass of nylon; 20-30 parts by mass of abrasive; 2-3 parts of coupling agent; 3-6 parts of a solid lubricating antiwear agent; the antioxidant is 3-5 parts by mass.
Further, the nylon brush wire product comprises the following raw materials in parts by weight: 55 parts of nylon; 25 parts by mass of abrasive; the coupling agent was 3 parts by mass.
Further, the nylon brush wire product comprises the following raw materials in parts by weight: 55 parts of nylon; 25 parts by mass of abrasive; 3 parts of a coupling agent by mass; 4 parts of solid lubricating antiwear agent; the antioxidant was 5 parts by mass.
Further, the manufacturing method of the nylon brush wire product comprises the following manufacturing steps:
a. weighing the raw materials in parts by weight;
b. after the step a is finished, putting the weighed raw materials into an oven for drying;
c. after the step b is finished, adding a coupling agent into a diluent for dilution, and then putting the dried grinding material and the diluted coupling agent into a mixer for mixing to obtain a mixture A;
d. after the step c is finished, adding the nylon, the solid lubricating antiwear agent, the antioxidant and the mixture A into a mixer together for mixing to obtain a mixture B;
e. after the step d is finished, putting the mixture B into an extruder for extrusion molding;
f. after the step e is finished, putting the extruded and molded monofilaments into a water tank for cooling and sizing, then carrying out filament separation and water removal under the action of peimine, then putting the monofilaments into a first drawing machine, baking the monofilaments in a first hot air box, then putting the monofilaments into a second drawing machine for primary drawing, wherein the multiplying power is 2.5-3.3 times, the temperature of the hot air box is 120-230 ℃, then putting the monofilaments into a second hot air box for heating and baking, the temperature of the second hot air box is 130-240 ℃, then putting the monofilaments into a third drawing machine for drawing, wherein the multiplying power is 1.1 times, then putting the monofilaments into a third hot air box and a fourth hot air box for hot air sizing, the temperature of the third hot air box is 120-230 ℃, and the temperature of the fourth hot air box is 120-200 ℃;
g. and f, after the step f is finished, reeling and cutting the prepared silk, and then carding and packaging to obtain a finished product.
Further, the solid lubricating and grinding resistant agent is formed by mixing one or more than two of graphite, molybdenum disulfide, talcum powder and boron nitride.
Further, the abrasive material adopts 100-900 mesh silicon carbide or aluminum oxide particles.
Further, titanium dioxide is adopted as the antioxidant.
Furthermore, the temperature for drying the raw materials in the step b is 90-110 ℃, and the drying time is 40-70 min.
Further, the rotation speed of the mixer in the step c is 500-800 r/min during mixing, the mixing time is 15-25 min, and the temperature during mixing is 35-45 ℃.
Further, the rotating speed of the mixer in the step d is 1100-1500 r/min during mixing, the mixing time is 25-35 min, and the temperature during mixing is 40-50 ℃.
Furthermore, the extruder in the step e is a double-screw extruder, and the extruder needs to heat the mixture B to be molten when extruding the mixture B, wherein the heating temperature is 220-250 ℃.
Example one
The nylon brush wire product comprises the following raw materials in parts by weight: 55 parts of nylon; 25 parts by mass of abrasive; the coupling agent was 3 parts by mass.
The manufacturing steps are as follows:
a. weighing the raw materials in parts by weight;
b. after the step a is finished, putting the weighed raw materials into an oven for drying;
c. after the step b is finished, adding a coupling agent into a diluent for dilution, and then putting the dried grinding material and the diluted coupling agent into a mixer for mixing to obtain a mixture A;
d. after the step c is finished, adding the nylon, the solid lubricating antiwear agent, the antioxidant and the mixture A into a mixer together for mixing to obtain a mixture B;
e. after the step d is finished, putting the mixture B into an extruder for extrusion molding;
f. after the step e is finished, putting the extruded and molded monofilaments into a water tank for cooling and sizing, then carrying out filament separation and water removal under the action of peimine, then putting the monofilaments into a first drawing machine, baking the monofilaments in a first hot air box, then putting the monofilaments into a second drawing machine for primary drawing, wherein the multiplying power is 2.5-3.3 times, the temperature of the hot air box is 120-230 ℃, then putting the monofilaments into a second hot air box for heating and baking, the temperature of the second hot air box is 130-240 ℃, then putting the monofilaments into a third drawing machine for drawing, wherein the multiplying power is 1.1 times, then putting the monofilaments into a third hot air box and a fourth hot air box for hot air sizing, the temperature of the third hot air box is 120-230 ℃, and the temperature of the fourth hot air box is 120-200 ℃;
g. and f, after the step f is finished, reeling and cutting the prepared silk, and then carding and packaging to obtain a finished product.
Example two
The nylon brush wire product comprises the following raw materials in parts by weight: 55 parts of nylon; 25 parts by mass of abrasive; 3 parts of a coupling agent by mass; 4 parts of solid lubricating antiwear agent; the antioxidant was 5 parts by mass.
The manufacturing steps are as follows:
a. weighing the raw materials in parts by weight;
b. after the step a is finished, putting the weighed raw materials into an oven for drying;
c. after the step b is finished, adding a coupling agent into a diluent for dilution, and then putting the dried grinding material and the diluted coupling agent into a mixer for mixing to obtain a mixture A;
d. after the step c is finished, adding the nylon, the solid lubricating antiwear agent, the antioxidant and the mixture A into a mixer together for mixing to obtain a mixture B;
e. after the step d is finished, putting the mixture B into an extruder for extrusion molding;
f. after the step e is finished, putting the extruded and molded monofilaments into a water tank for cooling and sizing, then carrying out filament separation and water removal under the action of peimine, then putting the monofilaments into a first drawing machine, baking the monofilaments in a first hot air box, then putting the monofilaments into a second drawing machine for primary drawing, wherein the multiplying power is 2.5-3.3 times, the temperature of the hot air box is 120-230 ℃, then putting the monofilaments into a second hot air box for heating and baking, the temperature of the second hot air box is 130-240 ℃, then putting the monofilaments into a third drawing machine for drawing, wherein the multiplying power is 1.1 times, then putting the monofilaments into a third hot air box and a fourth hot air box for hot air sizing, the temperature of the third hot air box is 120-230 ℃, and the temperature of the fourth hot air box is 120-200 ℃;
g. and f, after the step f is finished, reeling and cutting the prepared silk, and then carding and packaging to obtain a finished product.
The data parameters of the traditional nylon brush wire product are as follows:
| test items | Coefficient of friction | Tensile strength | Bending strength | Production efficiency |
| Parameter index | Height of | Weak (weak) | Weak (weak) | Is low in |
Example a nylon brush product data table 2 is as follows:
| test items | Coefficient of friction | Tensile strength | Bending strength | Production efficiency |
| Parameter index | In general | Is stronger | Good effect | Good effect |
Example two nylon brushed goods data parameters table 3 is as follows:
| test items | Coefficient of friction | Tensile strength | Bending strength | Production efficiency |
| Parameter index | Is low in | High strength | High strength | Height of |
In summary, the data in tables 1, 2 and 3 are compared to obtain, the antioxidant and the solid lubricating antiwear agent are added, so that the phenomenon of oxidative deterioration of the solid lubricating antiwear agent in a high-temperature processing process can be effectively avoided, the oxidation resistance and the wear resistance of a nylon brush wire product in a using process are enhanced, the service life of the nylon brush wire product is prolonged, the friction coefficient of the nylon brush wire product is reduced, and the hardness and the tensile strength of the brush wire are obviously improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (10)
1. A nylon brush wire product is characterized in that: comprises the following raw materials in parts by weight: 50-60 parts by mass of nylon; 20-30 parts by mass of abrasive; 2-3 parts of coupling agent; 3-6 parts of a solid lubricating antiwear agent; the antioxidant is 3-5 parts by mass.
2. The nylon brush wire product according to claim 1, wherein: comprises the following raw materials in parts by weight: 55 parts of nylon; 25 parts by mass of abrasive; the coupling agent was 3 parts by mass.
3. The nylon brush wire product according to claim 1, wherein: comprises the following raw materials in parts by weight: 55 parts of nylon; 25 parts by mass of abrasive; 3 parts of a coupling agent by mass; 4 parts of solid lubricating antiwear agent; the antioxidant was 5 parts by mass.
4. The method for manufacturing a nylon brush wire product according to claim 1, wherein: the manufacturing steps are as follows:
a. weighing the raw materials in parts by weight;
b. after the step a is finished, putting the weighed raw materials into an oven for drying;
c. after the step b is finished, adding a coupling agent into a diluent for dilution, and then putting the dried grinding material and the diluted coupling agent into a mixer for mixing to obtain a mixture A;
d. after the step c is finished, adding the nylon, the solid lubricating antiwear agent, the antioxidant and the mixture A into a mixer together for mixing to obtain a mixture B;
e. after the step d is finished, putting the mixture B into an extruder for extrusion molding;
f. after the step e is finished, putting the extruded and molded monofilaments into a water tank for cooling and sizing, then carrying out filament separation and water removal under the action of peimine, then putting the monofilaments into a first drawing machine, baking the monofilaments in a first hot air box, then putting the monofilaments into a second drawing machine for primary drawing, wherein the multiplying power is 2.5-3.3 times, the temperature of the hot air box is 120-230 ℃, then putting the monofilaments into a second hot air box for heating and baking, the temperature of the second hot air box is 130-240 ℃, then putting the monofilaments into a third drawing machine for drawing, wherein the multiplying power is 1.1 times, then putting the monofilaments into a third hot air box and a fourth hot air box for hot air sizing, the temperature of the third hot air box is 120-230 ℃, and the temperature of the fourth hot air box is 120-200 ℃;
g. and f, after the step f is finished, reeling and cutting the prepared silk, and then carding and packaging to obtain a finished product.
5. The method for manufacturing a nylon brush wire product according to claim 1, wherein: the solid lubricating and grinding resistant agent is formed by mixing one or more than two of graphite, molybdenum disulfide, talcum powder and boron nitride.
6. The method for manufacturing a nylon brush wire product according to claim 1, wherein: the abrasive material adopts 100-900 mesh silicon carbide or aluminum oxide particles.
7. The method for manufacturing a nylon brush wire product according to claim 1, wherein: the antioxidant adopts titanium dioxide.
8. The method for manufacturing a nylon brush wire product according to claim 4, wherein: and c, drying the raw materials in the step b at the temperature of 90-110 ℃ for 40-70 min.
9. The method for manufacturing a nylon brush wire product according to claim 4, wherein: the rotating speed of the mixer in the step c is 500-800 r/min during mixing, the mixing time is 15-25 min, and the temperature during mixing is 35-45 ℃.
10. The method for manufacturing a nylon brush wire product according to claim 4, wherein: the rotating speed of the mixer in the step d is 1100-1500 r/min during mixing, the mixing time is 25-35 min, the temperature during mixing is 40-50 ℃, the extruder in the step e is a double-screw extruder, the extruder is required to heat the mixture B to be molten during extruding, and the heating temperature is 220-250 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948852.6A CN110714235A (en) | 2019-10-08 | 2019-10-08 | Nylon brush wire product and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948852.6A CN110714235A (en) | 2019-10-08 | 2019-10-08 | Nylon brush wire product and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110714235A true CN110714235A (en) | 2020-01-21 |
Family
ID=69212223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910948852.6A Pending CN110714235A (en) | 2019-10-08 | 2019-10-08 | Nylon brush wire product and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110714235A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941658A (en) * | 2021-02-27 | 2021-06-11 | 太仓市乐丰工贸有限公司 | Abrasive brush wire and preparation method thereof |
| CN114318559A (en) * | 2022-01-07 | 2022-04-12 | 广东永锐实业有限公司 | Preparation method and application of nylon yarn on-line humidification |
-
2019
- 2019-10-08 CN CN201910948852.6A patent/CN110714235A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941658A (en) * | 2021-02-27 | 2021-06-11 | 太仓市乐丰工贸有限公司 | Abrasive brush wire and preparation method thereof |
| CN114318559A (en) * | 2022-01-07 | 2022-04-12 | 广东永锐实业有限公司 | Preparation method and application of nylon yarn on-line humidification |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110714235A (en) | Nylon brush wire product and manufacturing method thereof | |
| CN101564874B (en) | Method for preparing nanometer heat-insulation composite material | |
| CN102251315B (en) | Method for preparing novel wear-resisting polyester monofilaments for papermaking net | |
| CN103772973A (en) | High-abrasion-resistance silicon nitride/nylon6 composite nano-material and preparation method thereof | |
| CN107072356A (en) | The manufacture method of slide fastener coupling element and slide fastener coupling element | |
| JP2007118416A5 (en) | ||
| US20220380588A1 (en) | Preparation method of fluoropolymer processing aid | |
| CN110819035A (en) | Cold-resistant, oil-resistant and 105 ℃ resistant polyvinyl chloride/butyronitrile composite cable sheath material and preparation method thereof | |
| CN105385088B (en) | A kind of polypropene composition and preparation method thereof | |
| CN103483763B (en) | A kind of POM composite materials and preparation method thereof | |
| CN102765060B (en) | Garnet nylon abrasive material wire and manufacturing method thereof | |
| CN107286571A (en) | One kind can be molded heat resistant and wear resistant composite and preparation method thereof | |
| CN105623202A (en) | High wear-resistant silicon nitride/polyester terphthalate nano composite material and preparation method thereof | |
| CN103276471B (en) | The preparation method of wear-resisting monofilament for wire-cloth | |
| CN112941658A (en) | Abrasive brush wire and preparation method thereof | |
| CN111940536A (en) | Method for manufacturing aluminum-coated invar wire | |
| CN107129602A (en) | A kind of automobile engine high elasticity abrasion-proof rubber blanket and its processing technology | |
| CN109705459B (en) | Plastic rope and production process thereof | |
| CN101397519B (en) | Drawing oil special for annealed aluminum wire and method for producing the same | |
| CN112920555B (en) | TPEE composite material suitable for high-speed extrusion and preparation method thereof | |
| CN117684282B (en) | Preparation method of high-tensile-resistance brush yarn material and application of brush yarn material in hairbrush | |
| CN115094536B (en) | PBT oil filter screen and preparation process thereof | |
| CN117684282A (en) | Preparation method of high-tensile-resistance brush yarn material and application of brush yarn material in hairbrush | |
| CN108003582B (en) | A kind of polylactic acid wood plastics composite wire rod and its preparation method and application | |
| CN111139549A (en) | Degradable industrial brush filaments and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200121 |
|
| WD01 | Invention patent application deemed withdrawn after publication |