CN113957605A - Biodegradable melt-blown fabric production process - Google Patents
Biodegradable melt-blown fabric production process Download PDFInfo
- Publication number
- CN113957605A CN113957605A CN202111264901.8A CN202111264901A CN113957605A CN 113957605 A CN113957605 A CN 113957605A CN 202111264901 A CN202111264901 A CN 202111264901A CN 113957605 A CN113957605 A CN 113957605A
- Authority
- CN
- China
- Prior art keywords
- parts
- chemical reaction
- biodegradable
- bio
- polymerization chemical
- 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
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
-
- 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
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- 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
-
- 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
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Biological Depolymerization Polymers (AREA)
- Artificial Filaments (AREA)
Abstract
The invention relates to the technical field of melt-blown fabric production processes, in particular to a biodegradable melt-blown fabric production process, which comprises the following steps: s1, preparing bio-based degradable plastic particles; firstly, selecting polycaprolactone and polyethylene glycol, and carrying out a first-stage polymerization chemical reaction; secondly, adding a chain extender, a catalyst, a nucleating agent and an antioxidant serving as additives into a polymerization product of the first-stage polymerization chemical reaction to perform a second polymerization chemical reaction; finally, selecting a second polymerization chemical reaction product, cellulose, kaolin, polylactic acid, starch, chitin and polyhydroxy fatty acid, mixing, heating, extruding, granulating and molding; s2, grinding the bio-based degradable plastic particles into powder; s3, melting and spinning the obtained bio-based degradable plastic powder to form superfine short fibers; short fibers are adsorbed on the net forming curtain, are mutually adhered to form cloth, and are finally rolled and packaged; solves the problem of poor performance of the melt-blown fabric in biodegradation.
Description
Technical Field
The invention relates to the technical field of melt-blown fabric production processes, in particular to a biodegradable melt-blown fabric production process.
Background
The melt-blown cloth is the most central material for mask production, polypropylene is used as a main production raw material, and the diameter of the fiber can reach 1-5 microns. Because the superfine fiber with the unique capillary structure increases the number and the surface area of the fiber per unit area, the melt-blown fabric has good filtering property, shielding property, heat insulation property, oil absorption property and the like, and is widely applied to the fields of air, liquid filtering materials, isolating materials, absorbing materials, medical and industrial mask materials, heat-insulating materials, oil absorption materials, wiping cloth and the like.
With the increasing prominence of environmental problems, biodegradable materials are more and more concerned by countries around the world. However, the existing common meltblown fabric has poor biodegradation performance, and usually takes a long time to complete the degradation.
Disclosure of Invention
The invention aims to provide a production process of biodegradable meltblown, which is used for solving the problem of poor biodegradation performance of the existing meltblown.
In order to achieve the purpose, the invention provides the following technical scheme: a biodegradable melt-blown fabric production process comprises the following steps:
s1, preparing bio-based degradable plastic particles;
firstly, selecting 18-60 parts of polycaprolactone and 30-70 parts of polyethylene glycol in parts by weight, uniformly mixing the two, placing the mixture into a reaction kettle, heating, and carrying out a first-stage polymerization chemical reaction;
secondly, selecting 2-12 parts by weight of chain extender, 0.5-1 part by weight of catalyst, 0.2-0.8 part by weight of nucleating agent and 2-4 parts by weight of antioxidant as additives, adding the additives into a polymerization product of the first-stage polymerization chemical reaction in the reaction kettle, and carrying out a second polymerization chemical reaction;
finally, selecting the raw materials according to the following parts by weight, wherein the raw materials comprise 10-20 parts of the second polymerization chemical reaction product, 3-6 parts of cellulose, 3-5 parts of kaolin, 3-8 parts of polylactic acid, 3-5 parts of starch, 3-5 parts of chitin and 4-8 parts of polyhydroxy fatty acid; fully mixing the raw materials, heating to 180-250 ℃, and then extruding, granulating and molding;
s2, grinding the bio-based degradable plastic particles into powder;
wherein the thinning degree of the ground bio-based degradable plastic particles is 130-150 meshes;
s3, enabling the bio-based degradable plastic powder obtained in the above step to be in a molten state through a screw extruder, then ejecting the bio-based degradable plastic powder into a fiber shape through an ejection hole, and under the ejection of high-speed hot air, enabling the bio-based degradable plastic powder to be subjected to stretching action to form superfine short fibers;
the formed short fibers are adsorbed on the net forming curtain, and the fibers can still keep high temperature after being condensed into a net, so that the fibers are mutually adhered to form cloth, and finally the cloth is rolled and packed.
Preferably, in the step S1, the heating temperature of the first-stage polymerization chemical reaction is 150 to 190 ℃, the heating temperature of the second-stage polymerization chemical reaction is 170 to 210 ℃, and the reaction kettle is kept in a sealed state during both the two-stage polymerization chemical reactions.
Preferably, the chain extender selected in step S1 is specifically isocyanate.
Preferably, the catalyst selected in step S1 is specifically organic bismuth.
Preferably, the vacuum degree in the reaction kettle in the first-stage polymerization chemical reaction and the second-stage polymerization chemical reaction in the step S1 is maintained within a range of 105 to 110 KPa.
Preferably, in step S1, an air cooling device is provided at the outlet of the extrusion granulation molding device.
Preferably, a filter screen is arranged between the output end of the screw extruder and the spinneret in the step S3, and the filter screen is 90 meshes.
Preferably, at least two sets of melt spinning mechanisms are provided in the spinning operation in step S3, and the spinning directions of each set of melt spinning mechanisms are different from each other.
Preferably, when the fiber in the fabric shape is wound in step S3, a press roller for pressing and leveling the fiber cloth during the winding process is disposed in parallel on one side of the winding roller.
Preferably, the press roll is a water-cooled roll.
Compared with the prior art, the invention has the beneficial effects that:
1. the raw materials of the preparation process disclosed by the invention are selected from physical properties and matched to be environment-friendly, and the manufactured melt-blown fabric has the advantages of short biodegradation time and strong reproducibility, and has environment-friendly performance and the generation of secondary pollution is reduced.
2. The preparation process provided by the invention has the advantages that the production and processing processes are simple and reasonable, the production equipment investment of the overall production process of the melt-blown fabric is reduced, and the production cost is greatly reduced.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, 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.
The first embodiment is as follows:
a biodegradable melt-blown fabric production process comprises the following steps:
s1, preparing bio-based degradable plastic particles;
firstly, selecting 18 parts of polycaprolactone and 30 parts of polyethylene glycol according to parts by weight, uniformly mixing the two, placing the mixture in a reaction kettle, heating, and carrying out a first-stage polymerization chemical reaction; the heating temperature of the first-stage polymerization chemical reaction is 150 ℃, and the vacuum degree in the reaction kettle is kept within the range of 105-110 KPa during the polymerization chemical reaction.
Secondly, 2 parts of isocyanate, 0.5 part of organic bismuth, 0.2 part of nucleating agent and 2 parts of antioxidant are selected as additives according to the parts by weight, and the additives are added into a polymerization product of the first-stage polymerization chemical reaction in the reaction kettle to carry out the second polymerization chemical reaction; the heating temperature of the second stage polymerization chemical reaction is 170 ℃, and the vacuum degree in the reaction kettle is kept within the range of 105-110 KPa during the polymerization chemical reaction.
Finally, the raw materials are selected according to the following weight portions, 10 portions of the second polymerization chemical reaction product,
3 parts of cellulose, 3 parts of kaolin, 3 parts of polylactic acid, 3 parts of starch, 3 parts of chitin and 4 parts of polyhydroxy fatty acid; fully mixing the raw materials, heating to 180 ℃, and then extruding, granulating and molding;
s2, grinding the bio-based degradable plastic particles into powder;
wherein the thinning degree of the ground bio-based degradable plastic particles is 130-150 meshes;
s3, enabling the bio-based degradable plastic powder obtained in the above step to be in a molten state through a screw extruder, then ejecting the bio-based degradable plastic powder into a fiber shape through an ejection hole, and under the ejection of high-speed hot air, enabling the bio-based degradable plastic powder to be subjected to stretching action to form superfine short fibers;
the formed short fibers are adsorbed on the net forming curtain, and the fibers can still keep high temperature after being condensed into a net, so that the fibers are mutually adhered to form cloth, and finally the cloth is rolled and packed;
wherein, an air cooling device is arranged at the outlet of the extrusion granulation molding device, a filter screen is arranged between the output end of the screw extruder and the spinneret orifice, and the filter screen is 90 meshes; when spinning operation is carried out, at least two groups of melt spinning mechanisms are arranged, and the spinning directions of each group of melt spinning mechanisms are different from each other; when the fiber in a cloth shape is wound, a compression roller is arranged on one side of the winding roller in parallel and used for pressing and leveling the fiber cloth in the winding process, and the compression roller is a water-cooling roller.
Example two:
a biodegradable melt-blown fabric production process comprises the following steps:
s1, preparing bio-based degradable plastic particles;
firstly, selecting 28 parts of polycaprolactone and 40 parts of polyethylene glycol according to parts by weight, uniformly mixing the two, placing the mixture in a reaction kettle, heating, and carrying out a first-stage polymerization chemical reaction; the heating temperature of the first-stage polymerization chemical reaction is 160 ℃, and the vacuum degree in the reaction kettle is kept within the range of 105-110 KPa during the polymerization chemical reaction.
Secondly, selecting 5 parts of isocyanate, 0.6 part of organic bismuth, 0.3 part of nucleating agent and 2 parts of antioxidant as additives according to the parts by weight, adding the additives into a polymerization product of the first-stage polymerization chemical reaction in the reaction kettle, and carrying out second polymerization chemical reaction; the heating temperature of the second stage polymerization chemical reaction is 180 ℃, and the vacuum degree in the reaction kettle during the polymerization chemical reaction is kept within the range of 105-110 KPa.
Finally, selecting the raw materials according to the following parts by weight, wherein the secondary polymerization chemical reaction product comprises 12 parts of cellulose, 4 parts of kaolin, 4 parts of polylactic acid, 4 parts of starch, 4 parts of chitin and 5 parts of polyhydroxy fatty acid; fully mixing the raw materials, heating to 200 ℃, and then extruding, granulating and molding;
s2, grinding the bio-based degradable plastic particles into powder;
wherein the thinning degree of the ground bio-based degradable plastic particles is 130-150 meshes;
s3, enabling the bio-based degradable plastic powder obtained in the above step to be in a molten state through a screw extruder, then ejecting the bio-based degradable plastic powder into a fiber shape through an ejection hole, and under the ejection of high-speed hot air, enabling the bio-based degradable plastic powder to be subjected to stretching action to form superfine short fibers;
the formed short fibers are adsorbed on the net forming curtain, and the fibers can still keep high temperature after being condensed into a net, so that the fibers are mutually adhered to form cloth, and finally the cloth is rolled and packed;
wherein, an air cooling device is arranged at the outlet of the extrusion granulation molding device, a filter screen is arranged between the output end of the screw extruder and the spinneret orifice, and the filter screen is 90 meshes; when spinning operation is carried out, at least two groups of melt spinning mechanisms are arranged, and the spinning directions of each group of melt spinning mechanisms are different from each other; when the fiber in a cloth shape is wound, a compression roller is arranged on one side of the winding roller in parallel and used for pressing and leveling the fiber cloth in the winding process, and the compression roller is a water-cooling roller.
Example three:
a biodegradable melt-blown fabric production process comprises the following steps:
s1, preparing bio-based degradable plastic particles;
firstly, selecting 38 parts of polycaprolactone and 50 parts of polyethylene glycol according to parts by weight, uniformly mixing the two, placing the mixture in a reaction kettle, heating, and carrying out a first-stage polymerization chemical reaction; the heating temperature of the first-stage polymerization chemical reaction is 170 ℃, and the vacuum degree in a reaction kettle during the polymerization chemical reaction is kept within the range of 105-110 KPa.
Secondly, selecting 7 parts of isocyanate, 0.7 part of organic bismuth, 0.5 part of nucleating agent and 3 parts of antioxidant as additives according to parts by weight, adding the additives into a polymerization product of the first-stage polymerization chemical reaction in the reaction kettle, and carrying out second polymerization chemical reaction; the heating temperature of the second stage polymerization chemical reaction is 190 ℃, and the vacuum degree in the reaction kettle is kept within the range of 105-110 KPa during the polymerization chemical reaction.
Finally, selecting the raw materials according to the following parts by weight, wherein the secondary polymerization chemical reaction product comprises 15 parts of cellulose, 4 parts of kaolin, 4 parts of polylactic acid, 4 parts of starch, 4 parts of chitin and 6 parts of polyhydroxy fatty acid; fully mixing the raw materials, heating to 210 ℃, and then extruding, granulating and molding;
s2, grinding the bio-based degradable plastic particles into powder;
wherein the thinning degree of the ground bio-based degradable plastic particles is 130-150 meshes;
s3, enabling the bio-based degradable plastic powder obtained in the above step to be in a molten state through a screw extruder, then ejecting the bio-based degradable plastic powder into a fiber shape through an ejection hole, and under the ejection of high-speed hot air, enabling the bio-based degradable plastic powder to be subjected to stretching action to form superfine short fibers;
the formed short fibers are adsorbed on the net forming curtain, and the fibers can still keep high temperature after being condensed into a net, so that the fibers are mutually adhered to form cloth, and finally the cloth is rolled and packed;
wherein, an air cooling device is arranged at the outlet of the extrusion granulation molding device, a filter screen is arranged between the output end of the screw extruder and the spinneret orifice, and the filter screen is 90 meshes; when spinning operation is carried out, at least two groups of melt spinning mechanisms are arranged, and the spinning directions of each group of melt spinning mechanisms are different from each other; when the fiber in a cloth shape is wound, a compression roller is arranged on one side of the winding roller in parallel and used for pressing and leveling the fiber cloth in the winding process, and the compression roller is a water-cooling roller.
Example four:
a biodegradable melt-blown fabric production process comprises the following steps:
s1, preparing bio-based degradable plastic particles;
firstly, selecting 60 parts of polycaprolactone and 70 parts of polyethylene glycol according to parts by weight, uniformly mixing the two, placing the mixture in a reaction kettle, heating, and carrying out a first-stage polymerization chemical reaction; the heating temperature of the first-stage polymerization chemical reaction is 190 ℃, and the vacuum degree in a reaction kettle during the polymerization chemical reaction is kept within the range of 105-110 KPa.
Secondly, selecting 12 parts of isocyanate, 1 part of organic bismuth, 0.8 part of nucleating agent and 4 parts of antioxidant as additives according to the parts by weight, adding the additives into a polymerization product of the first-stage polymerization chemical reaction in the reaction kettle, and carrying out a second polymerization chemical reaction; the heating temperature of the second stage polymerization chemical reaction is 210 ℃, and the vacuum degree in the reaction kettle is kept within the range of 105-110 KPa during the polymerization chemical reaction.
Finally, selecting the raw materials according to the following parts by weight, wherein the secondary polymerization chemical reaction product comprises 20 parts of cellulose, 5 parts of kaolin, 8 parts of polylactic acid, 5 parts of starch, 5 parts of chitin and 8 parts of polyhydroxy fatty acid; fully mixing the raw materials, heating to 250 ℃, and then extruding, granulating and molding;
s2, grinding the bio-based degradable plastic particles into powder;
wherein the thinning degree of the ground bio-based degradable plastic particles is 130-150 meshes;
s3, enabling the bio-based degradable plastic powder obtained in the above step to be in a molten state through a screw extruder, then ejecting the bio-based degradable plastic powder into a fiber shape through an ejection hole, and under the ejection of high-speed hot air, enabling the bio-based degradable plastic powder to be subjected to stretching action to form superfine short fibers;
the formed short fibers are adsorbed on the net forming curtain, and the fibers can still keep high temperature after being condensed into a net, so that the fibers are mutually adhered to form cloth, and finally the cloth is rolled and packed;
wherein, an air cooling device is arranged at the outlet of the extrusion granulation molding device, a filter screen is arranged between the output end of the screw extruder and the spinneret orifice, and the filter screen is 90 meshes; when spinning operation is carried out, at least two groups of melt spinning mechanisms are arranged, and the spinning directions of each group of melt spinning mechanisms are different from each other; when the fiber in a cloth shape is wound, a compression roller is arranged on one side of the winding roller in parallel and used for pressing and leveling the fiber cloth in the winding process, and the compression roller is a water-cooling roller.
In the embodiments provided in the present invention, it should be understood that the disclosed method can be implemented in other ways.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A biodegradable melt-blown fabric production process is characterized by comprising the following steps:
s1, preparing bio-based degradable plastic particles;
firstly, selecting 18-60 parts of polycaprolactone and 30-70 parts of polyethylene glycol in parts by weight, uniformly mixing the two, placing the mixture into a reaction kettle, heating, and carrying out a first-stage polymerization chemical reaction;
secondly, selecting 2-12 parts by weight of chain extender, 0.5-1 part by weight of catalyst, 0.2-0.8 part by weight of nucleating agent and 2-4 parts by weight of antioxidant as additives, adding the additives into a polymerization product of the first-stage polymerization chemical reaction in the reaction kettle, and carrying out a second polymerization chemical reaction;
finally, selecting the raw materials according to the following parts by weight, wherein the raw materials comprise 10-20 parts of the second polymerization chemical reaction product, 3-6 parts of cellulose, 3-5 parts of kaolin, 3-8 parts of polylactic acid, 3-5 parts of starch, 3-5 parts of chitin and 4-8 parts of polyhydroxy fatty acid; fully mixing the raw materials, heating to 180-250 ℃, and then extruding, granulating and molding;
s2, grinding the bio-based degradable plastic particles into powder;
wherein the thinning degree of the ground bio-based degradable plastic particles is 130-150 meshes;
s3, enabling the bio-based degradable plastic powder obtained in the above step to be in a molten state through a screw extruder, then ejecting the bio-based degradable plastic powder into a fiber shape through an ejection hole, and under the ejection of high-speed hot air, enabling the bio-based degradable plastic powder to be subjected to stretching action to form superfine short fibers;
the formed short fibers are adsorbed on the net forming curtain, and the fibers can still keep high temperature after being condensed into a net, so that the fibers are mutually adhered to form cloth, and finally the cloth is rolled and packed.
2. The biodegradable meltblown manufacturing process of claim 1, wherein: in the step S1, the heating temperature of the first-stage polymerization chemical reaction is 150-190 ℃, the heating temperature of the second-stage polymerization chemical reaction is 170-210 ℃, and the reaction kettle is kept in a sealed state during the two-stage polymerization chemical reaction.
3. The biodegradable meltblown manufacturing process of claim 1, wherein: the chain extender selected in the step S1 is specifically isocyanate.
4. The biodegradable meltblown manufacturing process of claim 1, wherein: the catalyst selected in the step S1 is specifically organic bismuth.
5. The biodegradable meltblown manufacturing process of claim 1, wherein: in the step S1, the vacuum degree in the reaction kettle is maintained within the range of 105-110 KPa during the first stage polymerization chemical reaction and the second stage polymerization chemical reaction.
6. The biodegradable meltblown manufacturing process of claim 1, wherein: in the step S1, an air cooling device is provided at the outlet of the extrusion granulation molding device.
7. The biodegradable meltblown manufacturing process of claim 1, wherein: and a filter screen is arranged between the output end of the screw extruder and the spinning nozzle in the step S3, and the filter screen is 90 meshes.
8. The biodegradable meltblown manufacturing process of claim 1, wherein: in the step S3, at least two groups of melt spinning mechanisms are provided during spinning, and the spinning directions of each group of melt spinning mechanisms are different from each other.
9. The biodegradable meltblown manufacturing process of claim 1, wherein: when the fabric-shaped fiber is wound in step S3, a pressing roller is disposed in parallel on one side of the winding roller, and the pressing roller is used for pressing and leveling the fiber cloth during the winding process.
10. The biodegradable meltblown manufacturing process of claim 9, wherein: the compression roller is a water-cooling roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111264901.8A CN113957605A (en) | 2021-10-28 | 2021-10-28 | Biodegradable melt-blown fabric production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111264901.8A CN113957605A (en) | 2021-10-28 | 2021-10-28 | Biodegradable melt-blown fabric production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113957605A true CN113957605A (en) | 2022-01-21 |
Family
ID=79467960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111264901.8A Pending CN113957605A (en) | 2021-10-28 | 2021-10-28 | Biodegradable melt-blown fabric production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113957605A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051766A (en) * | 2011-01-18 | 2011-05-11 | 厦门建霖工业有限公司 | Preparation method of completely degradable biological polymer melt-blown cotton |
| CN102277655A (en) * | 2011-08-10 | 2011-12-14 | 天津工业大学 | Manufacturing method of biodegradable starch-based fiber |
| KR20140010742A (en) * | 2012-07-16 | 2014-01-27 | 웅진케미칼 주식회사 | The thermoplastic cellulose derivative and thereby made fiber |
| CN105200551A (en) * | 2015-10-23 | 2015-12-30 | 揭东巴黎万株纱华纺织有限公司 | Preparation method of colorful polyester fiber |
| CN105442187A (en) * | 2015-12-16 | 2016-03-30 | 浙江理工大学 | Preparation method of polylactic acid/ polycaprolactone melt-blown nonwoven materials |
| CN109082088A (en) * | 2018-08-16 | 2018-12-25 | 安徽同力新材料有限公司 | A kind of biodegrade covering mulch and preparation method thereof |
| CN109731413A (en) * | 2019-02-22 | 2019-05-10 | 常州兴烯石墨烯科技有限公司 | A kind of functionality graphene airstrainer and preparation method thereof |
| CN112430384A (en) * | 2020-11-24 | 2021-03-02 | 安徽锐乐升新材料科技有限公司 | Preparation process of bio-based degradable renewable energy polymeric plastic particles |
-
2021
- 2021-10-28 CN CN202111264901.8A patent/CN113957605A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051766A (en) * | 2011-01-18 | 2011-05-11 | 厦门建霖工业有限公司 | Preparation method of completely degradable biological polymer melt-blown cotton |
| CN102277655A (en) * | 2011-08-10 | 2011-12-14 | 天津工业大学 | Manufacturing method of biodegradable starch-based fiber |
| KR20140010742A (en) * | 2012-07-16 | 2014-01-27 | 웅진케미칼 주식회사 | The thermoplastic cellulose derivative and thereby made fiber |
| CN105200551A (en) * | 2015-10-23 | 2015-12-30 | 揭东巴黎万株纱华纺织有限公司 | Preparation method of colorful polyester fiber |
| CN105442187A (en) * | 2015-12-16 | 2016-03-30 | 浙江理工大学 | Preparation method of polylactic acid/ polycaprolactone melt-blown nonwoven materials |
| CN109082088A (en) * | 2018-08-16 | 2018-12-25 | 安徽同力新材料有限公司 | A kind of biodegrade covering mulch and preparation method thereof |
| CN109731413A (en) * | 2019-02-22 | 2019-05-10 | 常州兴烯石墨烯科技有限公司 | A kind of functionality graphene airstrainer and preparation method thereof |
| CN112430384A (en) * | 2020-11-24 | 2021-03-02 | 安徽锐乐升新材料科技有限公司 | Preparation process of bio-based degradable renewable energy polymeric plastic particles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5364694A (en) | Polyethylene terephthalate-based meltblown nonwoven fabric ad process for producing the same | |
| CN100451204C (en) | Double component molten and jetted non-woven fabric and its making process | |
| CN111945295A (en) | Preparation method of efficient antibacterial meltblown fabric and prepared efficient antibacterial meltblown fabric | |
| CN102675732B (en) | Polypropylene mixture, and preparation method and application thereof | |
| CN111793831A (en) | Method for spinning cotton-linen-like fiber from waste polyester | |
| CN111593484A (en) | Preparation method of easily-degradable SMS spunbonded non-woven fabric | |
| CN108505190A (en) | The method for preparing peach face Base fabric using water-soluble poval sea-island fibre | |
| KR102395895B1 (en) | Biodegradable composite fiber and non-woven fabric including the same | |
| CN114351286B (en) | High-strength polylactic acid melt-blown fiber and preparation method and application thereof | |
| CN113355802A (en) | Novel SAP adding process for twin spinning production line | |
| CN113930864A (en) | Regenerated colored polyester staple fiber produced by waste polyester foam chemical method | |
| CN103668511A (en) | Method for manufacturing bottle piece spinning return material recycled polyester moisture-absorbing sweat-releasing POY filament | |
| CN108486683A (en) | PET/PVA sea-island fibres and its production technology with water-soluble marine facies | |
| CN113957605A (en) | Biodegradable melt-blown fabric production process | |
| CN101694040A (en) | Process for producing polyester roofing asphalt felt by using PET bottle flakes | |
| CN113480751B (en) | Spinnable polyvinyl alcohol master batch for sea-island fiber and preparation method thereof | |
| CN104451902A (en) | Manufacturing method for polyester recycled material regenerative porous fine-denier POY 75D/72f filaments with ultrahigh dyeing property | |
| CN101665993A (en) | Ultrafine melt-blown non-woven fabric mixed material, melt-blown non-woven fabric prepared from same, and manufacturing method thereof | |
| CN102162145B (en) | Method for preparing reclaimed polyester bottle chip spun fine denier moisture absorption and sweat release FDY polyester filament fibers | |
| CN110105728A (en) | A kind of clean method for preparing of color master-batch with high-light-fastness energy and the master batch | |
| CN103862797A (en) | Producing method of degradable nonwoven fabric | |
| CN111676595B (en) | Preparation method of modified polypropylene melt-blown nonwoven material | |
| CN117845428B (en) | Ultraviolet-resistant flash evaporation non-woven fabric and manufacturing method thereof | |
| CN108978048B (en) | Low-elongation non-woven fabric and preparation method and application thereof | |
| CN102162143A (en) | Preparation method of environment-friendly ultra-supple and ultra-elastic PTT (polytrimethylene terephthalate) fully drawn combined filament yarns by coloring nano-powder before melting |
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 |