CN111206315A - Manufacturing process of degradable PLA-BCF yarn - Google Patents
Manufacturing process of degradable PLA-BCF yarn Download PDFInfo
- Publication number
- CN111206315A CN111206315A CN201911371892.5A CN201911371892A CN111206315A CN 111206315 A CN111206315 A CN 111206315A CN 201911371892 A CN201911371892 A CN 201911371892A CN 111206315 A CN111206315 A CN 111206315A
- Authority
- CN
- China
- Prior art keywords
- pla
- bcf yarn
- bcf
- yarn
- degradable
- 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
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
-
- 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
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- 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
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- 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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
- D01F6/625—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters derived from hydroxy-carboxylic acids, e.g. lactones
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
- D10B2331/041—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET] derived from hydroxy-carboxylic acids, e.g. lactones
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/12—Physical properties biodegradable
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/22—Physical properties protective against sunlight or UV radiation
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a manufacturing process of degradable PLA-BCF yarns, which comprises a slicing process, a screw rod process, a spinning process, a side blowing process, an oiling traction process, a bulking network process and a winding process, wherein dried PLA slices are added in the slicing process, the blowing temperature in the side blowing process is adjusted up by 5 +/-1%, 2% of special stability oiling agent is added in the oiling traction process, and the temperature of a screw rod, a box body and a transformer in the manufacturing process of the yarns is adjusted down by 10 +/-2% compared with the conventional temperature so as to cater to the melting point of the slices and the special oiling agent and optimize the spinnability under the condition that the characteristics of the yarns are not influenced. The product is based on a chinlon solution spinning technology, in the spinning and feeding process, dried PLA slices and catalytic master batches in corresponding proportion are added, the spinning temperature and the drafting multiple are adjusted, and finally 2-5% of special stable oil is added on the surface of a monofilament to protect the tow forming and the strength of the tow. And finally, winding the yarn into a bobbin in a winding machine to obtain the final product PLA-BCF yarn.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a manufacturing process of degradable PLA-BCF yarns.
Background
The BCF yarn in the existing market is made of the following materials: PP, PA, ECDP and the like belong to chemical fibers in the petroleum and coking industries and are not degradable, wherein the PP can be decomposed into nanoparticles in the sun and is inhaled by the human body and can not be metabolized. PLA is a polymeric resin obtained by polymerizing corn starch, and has the greatest advantages of being biodegradable and completely degradable. And meanwhile, the medicine has no harm to human body. The BCF yarn is made by the company, so that the yarn also has completely degraded characteristics. 1. Compared with white pollution to nature caused by chemical fibers such as terylene and chinlon from petroleum and coking industries, the PLA-BCF yarn produced by the invention can be biodegraded, and finally generates carbon dioxide and water to return to nature, thereby meeting the requirement of circular economy. 2. The PLA-BCF yarn produced by the invention has low refractive index, the ultraviolet resistance is better than that of common fiber, and the tenacity of 90 percent is still maintained after the yarn is dried for five hundred hours. The color of the washing liquid is not faded under the xenon arc light, and the washing liquid basically does not change the color after washing. 3. The PLA-BCF yarn produced by the invention has slightly higher limit oxygen index than wool, low combustion smoke amount (only 16 percent of polyester fiber), self-extinguishment and small fire hazard.
Disclosure of Invention
The invention aims to solve the technical problem that BCF yarns in the existing market are made of the following materials: PP, PA, ECDP and the like belong to chemical fibers in petroleum and coking industries and are not degradable, wherein the PP has poor ultraviolet resistance, is easy to discolor in the sun and can decompose part of surface PP to form nano particles which are inhaled by a human body and can not be metabolized.
In order to solve the technical problems, the invention adopts the following technical means:
a manufacturing process of degradable PLA-BCF yarns comprises a slicing process, a screw rod process, a spinning process, a side blowing process, an oiling traction process, a bulking network process and a winding process; adding dried PLA slices in the slicing procedure, adjusting the blowing temperature to 5 +/-1% in the side blowing procedure, adding 2% of special stable oiling agent in the oiling traction procedure, and adjusting the temperature of a screw, a box body and a transformer to 10 +/-2% lower than the conventional temperature in the yarn manufacturing process so as to meet the melting point of the slices and the special oiling agent and make the spinnability optimal under the condition of not influencing the characteristics of the yarns. The product is based on a chinlon solution spinning technology, in the spinning and feeding process, dried PLA slices and catalytic master batches in corresponding proportion are added, the spinning temperature and the drafting multiple are adjusted, and finally 2-5% of special stable oil is added on the surface of a monofilament to protect the tow forming and the strength of the tow. And finally, winding the yarn into a bobbin in a winding machine to obtain the final product PLA-BCF yarn.
Preferably, the further technical scheme of the invention is as follows:
the PLA slices are PLA which is polylactic resin, the raw materials of the PLA slices are 100% renewable resources of corn and cassava, and the PLA slices are obtained by polymerization reaction and are commonly called as corn plastic.
In the oiling traction process, a coating traction roller is used to better shape the filament bundle, the special stable oiling agent is ethoxy ester and an anionic antistatic agent added with 1 to 2 per thousand, and the conventional temperature is 222 ℃ in a box body.
The compressed air pressure of the transformer in the bulking network procedure is reduced by 1-5%.
And in the winding procedure, a winder winds the yarns into a bobbin to obtain the final product PLA-BCF yarn.
Be equipped with PLA-BCF yarn body, PLA-BCF yarn body is woven for a plurality of monofilaments and forms, is equipped with the substrate in the monofilament, the substrate be PLA, monofilament tangent plane structure be trilobal figure, evenly distributed many catalysis master batch nanoparticles in the monofilament's the whole body.
The PLA-BCF yarn body is formed by cross weaving of four monofilaments.
And a protective layer is arranged on the outer side of the PLA-BCF yarn body.
The section structure of the monofilament is a triangular figure, and a plurality of catalytic master batch nanoparticles are uniformly distributed in the whole body of the monofilament.
The section structure of the monofilament is a hollow irregular pattern, and a plurality of catalytic master batch nanoparticles are uniformly distributed in the whole body of the monofilament.
1. The PLA-BCF yarn produced by the process has the advantages that the polylactic acid serving as a raw material is a biocompatible substance which can be absorbed and metabolized by human metabolism, and the lactic acid is a food additive, so that the PLA-BCF yarn does not have any harm to the human body, can be biodegraded, finally generates carbon dioxide and water, returns to the nature, and meets the requirement of circular economy.
2. Compared with the white pollution to the nature caused by chemical fibers in petroleum and coking industries, which are used as raw materials of yarns such as PP, PA, ECDP and the like, the PLA-BCF yarn produced by the invention can be biodegraded, and finally generates carbon dioxide and water to return to the nature, thereby meeting the requirement of circular economy.
3. The PLA-BCF yarn produced by the invention has low refractive index, the ultraviolet resistance is better than that of common fiber, and the tenacity of 90 percent is still maintained after the yarn is dried for five hundred hours. The color of the washing liquid is not faded under the xenon arc light, and the washing liquid basically does not change the color after washing.
Drawings
FIG. 1 is a process flow diagram of the present invention.
FIG. 2 is a schematic view of a trilobal structure of one embodiment of the PLA-BCF yarn body of the present invention.
FIG. 3 is a schematic view of a triangular structure of a PLA-BCF yarn body according to an embodiment of the present invention.
FIG. 4 is a schematic view of a hollow irregular structure of one embodiment of the PLA-BCF yarn body of the present invention.
Description of reference numerals: 1-PLA-BCF yarn body; 2-catalytic master batch nanoparticles.
Detailed Description
The present invention will be further described with reference to the following examples.
Specific example 1:
referring to fig. 1, the manufacturing process of the degradable PLA-BCF yarn comprises a slicing process, a screw process, a spinning process, a cross air blowing process, an oiling traction process, a bulking network process and a winding process; adding dried PLA slices in the slicing process, adjusting the blowing temperature up by 5 +/-1% in the side blowing process, adding 2% of special stable oiling agent in the oiling traction process, adjusting the temperature of a screw, a box body and a transformer by 10 +/-2% compared with the conventional temperature in the yarn manufacturing process so as to meet the melting point of the slices and the special oiling agent, and making the spinnability optimal under the condition that the yarn characteristics are not influenced, wherein the PLA slices are PLA resin, the PLA slices are prepared from 100% renewable resources of corn and cassava through polymerization reaction, commonly called corn plastic, a plating layer drawing roller is used in the oiling traction process to better shape the tows, the compressed air pressure of the transformer in the bulking network process is adjusted by 1-5%, and a winding machine is wound into a bobbin in the winding process to obtain the final product PLA-BCF yarn.
1. Compared with white pollution to nature caused by chemical fibers such as terylene and chinlon from petroleum and coking industries, the PLA-BCF yarn produced by the invention can be biodegraded, and finally generates carbon dioxide and water to return to nature, thereby meeting the requirement of circular economy.
2. The PLA-BCF yarn produced by the invention has low refractive index, the ultraviolet resistance is better than that of common fiber, and the tenacity of 90 percent is still maintained after the yarn is dried for five hundred hours. The color of the washing liquid is not faded under the xenon arc light, and the washing liquid basically does not change the color after washing.
3. The PLA-BCF yarn produced by the invention has slightly higher limit oxygen index than wool, low combustion smoke amount (only 16 percent of polyester fiber), self-extinguishment and small fire hazard.
Specific example 2:
referring to fig. 2, the PLA-BCF yarn body 1 is formed by weaving a plurality of monofilaments, a base material is arranged in each monofilament, the base material is PLA, the section structure of each monofilament is a trilobal, triangular or hollow irregular pattern, a plurality of catalytic master batch nanoparticles 2 are uniformly distributed in the whole body of each monofilament, the PLA-BCF yarn body 1 is formed by cross-weaving four monofilaments, and a protective layer is arranged on the outer side of the PLA-BCF yarn body 1.
The raw material used in the invention is PLA which is polylactic resin, the raw material is 100% renewable resources such as corn, cassava and the like, the PLA is commonly called corn plastic, the PLA is a general high polymer material, the PLA is only used in the fields of tableware, packaging boxes, medical appliances and the like at present, the PLA is not used in the field of BCF yarn, the PLA raw material is used for BCF spinning for the first time, and a set of feasible and mature PLA-BCF spinning process is finally developed through multiple attempts, so that the produced BCF yarn can be completely biodegraded, meets the requirement of circular economy, and fills the market gap.
Since the above description is only a specific embodiment of the present invention, but the protection of the present invention is not limited thereto, any equivalent changes or substitutions of the technical features of the present invention which can be conceived by those skilled in the art are included in the protection scope of the present invention.
Claims (10)
1. A manufacturing process of degradable PLA-BCF yarns comprises a slicing process, a screw rod process, a spinning process, a side blowing process, an oiling traction process, a bulking network process and a winding process; the method is characterized in that: the method is characterized in that dried PLA slices are added in the slicing procedure, the blowing temperature in the side blowing procedure is increased by 5% +/-1%, and 2% special stability oiling agent is added in the oiling traction procedure, and the temperature of a screw, a box body and a deformer in the yarn manufacturing process is decreased by 10 +/-2% compared with the conventional temperature so as to cater to the melting point of the slices and the special oiling agent, so that the spinnability is optimal under the condition that the yarn characteristics are not influenced.
2. The manufacturing process of degradable PLA-BCF yarn according to claim 1, characterized in that: the PLA slices are PLA which is polylactic resin, the raw materials of the PLA slices are 100% renewable resources of corn and cassava, and the PLA slices are obtained by polymerization reaction and are commonly called as corn plastic.
3. The manufacturing process of degradable PLA-BCF yarn according to claim 1, characterized in that: in the oiling traction process, a coating traction roller is used to better shape the filament bundle, the special stable oiling agent is ethoxy ester and an anionic antistatic agent added with 1 to 2 per thousand, and the conventional temperature is 222 ℃ in a box body.
4. The manufacturing process of degradable PLA-BCF yarn according to claim 1, characterized in that: the compressed air pressure of the transformer in the bulking network procedure is reduced by 1-5%.
5. The manufacturing process of degradable PLA-BCF yarn according to claim 1, characterized in that: and in the winding procedure, a winder winds the yarns into a bobbin to obtain the final product PLA-BCF yarn.
6. The degradable PLA-BCF yarn of claim 1, wherein: the novel single-filament yarn is provided with a PLA-BCF yarn body, the PLA-BCF yarn body is formed by weaving a plurality of monofilaments, a base material is arranged in each monofilament, the base material is PLA, the section structure of each monofilament is a trilobal pattern, and a plurality of catalytic master batch nanoparticles are uniformly distributed in the whole body of each monofilament.
7. The degradable PLA-BCF yarn of claim 6, wherein: the PLA-BCF yarn body is formed by cross weaving of four monofilaments.
8. The degradable PLA-BCF yarn of claim 6, wherein: the section structure of the monofilament is a triangular figure, and a plurality of catalytic master batch nanoparticles are uniformly distributed in the whole body of the monofilament.
9. The degradable PLA-BCF yarn of claim 6, wherein: the section structure of the monofilament is a hollow irregular pattern, and a plurality of catalytic master batch nanoparticles are uniformly distributed in the whole body of the monofilament.
10. The manufacturing process of degradable PLA-BCF yarn according to claim 6, characterized in that: and a protective layer is arranged on the outer side of the PLA-BCF yarn body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371892.5A CN111206315A (en) | 2019-12-27 | 2019-12-27 | Manufacturing process of degradable PLA-BCF yarn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371892.5A CN111206315A (en) | 2019-12-27 | 2019-12-27 | Manufacturing process of degradable PLA-BCF yarn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111206315A true CN111206315A (en) | 2020-05-29 |
Family
ID=70782879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911371892.5A Pending CN111206315A (en) | 2019-12-27 | 2019-12-27 | Manufacturing process of degradable PLA-BCF yarn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111206315A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062009A (en) * | 2021-03-17 | 2021-07-02 | 江苏文明人造草坪有限公司 | Degradable base fabric for artificial turf and preparation process thereof |
-
2019
- 2019-12-27 CN CN201911371892.5A patent/CN111206315A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062009A (en) * | 2021-03-17 | 2021-07-02 | 江苏文明人造草坪有限公司 | Degradable base fabric for artificial turf and preparation process thereof |
| CN113062009B (en) * | 2021-03-17 | 2023-04-25 | 江苏文明人造草坪有限公司 | Degradable base fabric for artificial turf and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MXPA01011167A (en) | Poly(trimethylene terephthalate) yarn. | |
| CN101857981B (en) | Process for producing nanometer bamboo carbon fiber by adopting polylactic acid group | |
| CN1239763C (en) | Fine denier yarn from poly(thimethylene terephthalate) | |
| CN101532182A (en) | polyester FDY filament with diamond luster and preparation process thereof | |
| JPS6125803B2 (en) | ||
| CN109023564B (en) | Preparation method of polylactic acid colored short fibers | |
| CN109234820B (en) | Preparation method of polylactic acid short fibers | |
| CN114059191A (en) | Biodegradable antibacterial fiber and preparation method thereof | |
| US10550241B2 (en) | Polytrimethylene terephthalate composition, polyester fiber, and methods for producing the same | |
| CN111118617B (en) | Full-dull elastic yarn and preparation method thereof | |
| CN111206315A (en) | Manufacturing process of degradable PLA-BCF yarn | |
| CN110983529A (en) | Degradable PBAT-BCF yarn manufacturing process | |
| CN101289769A (en) | Method of producing lighting terylene short fiber | |
| CN102345180A (en) | M-phthalic acid modified terylene low elastic network fiber | |
| CN212505226U (en) | Degradable PLA-BCF yarn | |
| CN112680852A (en) | Biodegradable PBS-BCF carpet yarn | |
| CN114232127B (en) | Ultralow-thermal-shrinkage polyester staple fiber and preparation method thereof | |
| CN103911683B (en) | A kind of polyether ester/PTT Compound spinning prepares the method for colored profiled elasticity multifilament fiber | |
| US4388260A (en) | Method of making viscose rayon | |
| CN114230774A (en) | Polyester with excellent thermal stability and preparation method thereof | |
| CN102345181A (en) | Preparation method of adipic acid modified polyester fiber | |
| CN104278340A (en) | Production technology for profiled dacron FDY bamboo joint yarns | |
| CN110129920A (en) | The anti-aging polyformaldehyde mesh sheet of anti-aging POLYOXYMETHYLENE MONOFILAMENTS and preparation method and preparation | |
| CN102400235A (en) | Production method of elastic chinlon | |
| JP5012141B2 (en) | Polylactic acid raw cotton |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |