CN114960032A - Preparation method of super-strong water-absorbing electrostatic spraying non-woven fabric - Google Patents

Preparation method of super-strong water-absorbing electrostatic spraying non-woven fabric Download PDF

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Publication number
CN114960032A
CN114960032A CN202210598790.2A CN202210598790A CN114960032A CN 114960032 A CN114960032 A CN 114960032A CN 202210598790 A CN202210598790 A CN 202210598790A CN 114960032 A CN114960032 A CN 114960032A
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woven fabric
electrostatic spraying
water
super
preparing
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CN202210598790.2A
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张小清
罗和文
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Individual
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    • 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
    • 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
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin 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
    • D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained 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
    • D01F8/04—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
    • 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
    • D04H1/558—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 combination with mechanical or physical treatments other than embossing
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Abstract

The invention discloses a super-strong water-absorbing electrostatic spraying non-woven fabric which is prepared from polypropylene granules, acrylic acid, polyacrylamide, vinyl acetate/maleic anhydride copolymer, epoxy resin binder, waste paper, deionized water and initiator; the invention also discloses a preparation method of the super-strong water-absorbing electrostatic spraying non-woven fabric, which comprises the steps of preparing waste paper pulp liquid, preparing polypropylene emulsion, preparing mixed water-absorbing emulsion, preparing polymer emulsion, electrostatic spraying and hot pressing to form cloth; the non-woven fabric prepared from the materials through electrostatic spraying contains various hydrophilic materials, has excellent water absorption performance, improves the water absorption capacity of the traditional water absorption cotton by multiple times, has strong water locking capacity, and is environment-friendly and easy to produce due to the raw materials used by the water absorption non-woven fabric.

Description

Preparation method of super-strong water-absorbing electrostatic spraying non-woven fabric
Technical Field
The invention relates to the technical field of non-woven fabric production, in particular to a preparation method of a super-strong water-absorbing electrostatic spraying non-woven fabric.
Background
Non-woven fabrics are commonly known as non-woven fabrics, and are non-woven fabrics formed by arranging short fibers or filaments in an oriented or random manner to form a fiber web structure, then reinforcing the fiber web structure by adopting methods such as machinery, hot rolling or chemistry and the like. The water-absorbing non-woven fabric is one kind of non-woven fabric, and is widely applied to the fields of clothing materials, filtering materials, wastewater treatment, sanitary products, medical products, chemical products and the like. Most of the traditional water-absorbing non-woven fabrics are formed by directly combining a plurality of layers of non-woven fabrics. Because the non-woven fabric is mostly formed by the random arrangement of the short fibers and the filaments, after the formed water-absorbing non-woven fabric absorbs water and expands, the interaction force between the short fibers and the filaments is rapidly weakened, so that the tensile ductility is lost, and the defects of easy breakage of stretching occur; meanwhile, the traditional water-absorbing non-woven fabric has the defects of poor water-absorbing capacity, short water-retaining time, environmental friendliness and the like.
Therefore, a preparation method of the electrostatic spraying non-woven fabric with super-strong water absorption is provided.
Disclosure of Invention
The invention provides a preparation method of a super-strong water-absorbing electrostatic spraying non-woven fabric, which has excellent water-absorbing performance, is improved by multiple times compared with the water-absorbing capacity of the traditional water-absorbing cotton, has strong water-locking capacity, is environment-friendly and more environment-friendly.
The invention adopts the following technical means for solving the technical problems:
the invention provides a super-strong water-absorbing electrostatic spraying non-woven fabric which is prepared from the following raw materials in parts by weight: 150 portions of polypropylene granules, 30-40 portions of acrylic acid, 20-30 portions of polyacrylamide, 15-30 portions of vinyl acetate/maleic anhydride copolymer, 20-30 portions of epoxy resin binder, 20-40 portions of waste paper, 40-60 portions of deionized water and 5-10 portions of initiator.
Further, the non-woven fabric is prepared from the following raw materials in parts by weight: 140 parts of polypropylene granules, 30 parts of acrylic acid, 30 parts of polyacrylamide, 20 parts of vinyl acetate/maleic anhydride copolymer, 30 parts of epoxy resin binder, 20 parts of waste paper, 60 parts of deionized water and 10 parts of initiator.
Further, the water content of the waste paper is 9% -13%.
Further, the initiator is any one of persulfate, succinic peroxide and azodiisobutyramidine dihydrochloride solution.
Further, the initiator is succinic peroxide.
A preparation method of super-strong water-absorbing electrostatic spraying non-woven fabric comprises the following steps:
step 1: preparing waste paper pulp liquid; adding the waste paper into a pulp crusher for crushing, and continuously adding water to dilute the pulp liquid in the crushing process to obtain waste paper pulp liquid for later use;
step 2: preparing a polypropylene emulsion; adding 50% of deionized water into a reaction kettle, adding the polypropylene granules into the reaction kettle, and melting at high temperature to obtain polypropylene emulsion for later use;
and step 3: preparing a mixed water-absorbing emulsion; adding the rest 50% of deionized water into a reaction kettle, filling nitrogen, boiling the deionized water, adding acrylic acid, polyacrylamide and vinyl acetate/maleic anhydride copolymer into the reaction kettle, and finally adding an initiator for reaction to obtain a mixed water-absorbing emulsion;
and 4, step 4: preparing a polymer emulsion; adding the mixed water absorbing material and the waste paper pulp liquid into the polypropylene emulsion, uniformly mixing and stirring, dropwise adding the water-based organic silicon slip agent, stopping dropwise adding after the viscosity reaches 450-;
and 5: electrostatic spraying; polymer emulsion is sprayed into a net through electrostatic spraying, in the process of electrostatic spraying, droplets are sprayed in the direction parallel to the spraying direction of the polymer emulsion droplets by reverse airflow, and under the action of high-speed hot airflow and electrostatic field, the droplets are gathered, mixed and sprayed into fiber filaments, and the fiber filaments are cooled, solidified and deposited on a net collecting device to form a fiber silk net;
step 6: hot pressing to form cloth: the fiber silk screen is sent into a rolling cylinder by the net collecting device for hot pressing to prepare the fiber non-woven fabric.
Further, in the step 4, the properties of the polymer emulsion are as follows: the mass concentration is 2-40%, the surface tension range is 10-50 mN/m, and the conductivity range is 0.05-10 mS/cm.
Further, in the step 5, the blowing flow velocity of the reverse air flow is 1-100 m/s.
Further, in the step 6, the thickness of the fiber non-woven fabric is 0.4-0.6 mm.
The invention provides a preparation method of a super-strong water-absorbing electrostatic spraying non-woven fabric, which has the following beneficial effects:
the invention provides a super-strong water-absorbing electrostatic spraying non-woven fabric which is prepared from polypropylene granules, acrylic acid, polyacrylamide, vinyl acetate/maleic anhydride copolymer, epoxy resin binder, waste paper, deionized water and initiator; the invention also discloses a preparation method of the super-strong water-absorbing electrostatic spraying non-woven fabric, which comprises the steps of preparing waste paper pulp liquid, preparing polypropylene emulsion, preparing mixed water-absorbing emulsion, preparing polymer emulsion, electrostatic spraying and hot pressing to form cloth; the non-woven fabric prepared from the materials through electrostatic spraying contains various hydrophilic materials, has excellent water absorption performance, improves the water absorption capacity of the traditional water absorption cotton by multiple times, has strong water locking capacity, and is environment-friendly and easy to produce due to the raw materials used by the water absorption non-woven fabric.
Drawings
Fig. 1 is a schematic flow chart of an embodiment of a method for preparing a super-absorbent electrostatic sprayed non-woven fabric according to the present invention.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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. 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.
Referring to fig. 1, a schematic flow chart of the preparation of the super-absorbent electrostatic spraying non-woven fabric according to an embodiment of the present invention is shown.
The invention provides a super-strong water-absorbing electrostatic spraying non-woven fabric which is prepared from the following raw materials in parts by weight: 140 parts of polypropylene granules, 30 parts of acrylic acid, 30 parts of polyacrylamide, 20 parts of vinyl acetate/maleic anhydride copolymer, 30 parts of epoxy resin binder, 20 parts of waste paper, 60 parts of deionized water and 10 parts of initiator.
In one embodiment, the water content of the waste paper is between 9% and 13%.
In one embodiment, the initiator is any one of a persulfate, succinic peroxide, azobisisobutyramidine dihydrochloride solution.
Specifically, the initiator is succinic peroxide.
A preparation method of super-strong water-absorbing electrostatic spraying non-woven fabric comprises the following steps:
step 1: preparing waste paper pulp liquid; adding the waste paper into a pulp crusher for crushing, and continuously adding water to dilute the pulp liquid in the crushing process to obtain waste paper pulp liquid for later use;
step 2: preparing a polypropylene emulsion; adding 50% of deionized water into a reaction kettle, adding polypropylene granules into the reaction kettle, and melting at a high temperature to obtain a polypropylene emulsion for later use;
and step 3: preparing a mixed water-absorbing emulsion; adding the rest 50% of deionized water into a reaction kettle, filling nitrogen, boiling the deionized water, adding acrylic acid, polyacrylamide and vinyl acetate/maleic anhydride copolymer into the reaction kettle, and finally adding an initiator for reaction to obtain a mixed water-absorbing emulsion;
and 4, step 4: preparing a polymer emulsion; adding the mixed water absorbing material and the waste paper pulp liquid into the polypropylene emulsion, uniformly mixing and stirring, dropwise adding the water-based organic silicon slip agent, stopping dropwise adding after the viscosity reaches 450-centipoise and 500-centipoise, stirring for 30 minutes, and then preserving heat to obtain polymer emulsion;
and 5: electrostatic spraying; polymer emulsion is sprayed into a net through electrostatic spraying, in the process of electrostatic spraying, droplets are sprayed in the direction parallel to the spraying direction of the polymer emulsion droplets by reverse airflow, and under the action of high-speed hot airflow and electrostatic field, the droplets are gathered, mixed and sprayed into fiber filaments, and the fiber filaments are cooled, solidified and deposited on a net collecting device to form a fiber silk net;
step 6: hot pressing to form cloth: the fiber silk screen is sent into a rolling cylinder by the net collecting device for hot pressing to prepare the fiber non-woven fabric.
In one embodiment, in step 4, the properties of the polymer emulsion are as follows: the mass concentration is 2-40%, the surface tension range is 10-50 mN/m, and the conductivity range is 0.05-10 mS/cm.
In one embodiment, in the step 5, the blowing flow speed of the reverse air flow is 1-100 m/s.
In one embodiment, in step 6, the thickness of the fiber non-woven fabric is 0.4-0.6 mm.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The super-strong water-absorbing electrostatic spraying non-woven fabric is characterized by being prepared from the following raw materials in parts by weight: 150 portions of polypropylene granules, 30-40 portions of acrylic acid, 20-30 portions of polyacrylamide, 15-30 portions of vinyl acetate/maleic anhydride copolymer, 20-30 portions of epoxy resin binder, 20-40 portions of waste paper, 40-60 portions of deionized water and 5-10 portions of initiator.
2. The super-absorbent electrostatic spraying non-woven fabric according to claim 1, wherein the non-woven fabric is prepared from the following raw materials in parts by weight: 140 parts of polypropylene granules, 30 parts of acrylic acid, 30 parts of polyacrylamide, 20 parts of vinyl acetate/maleic anhydride copolymer, 30 parts of epoxy resin binder, 20 parts of waste paper, 60 parts of deionized water and 10 parts of initiator.
3. The super-absorbent electrostatic spraying non-woven fabric according to claim 1, wherein: the water content of the waste paper is between 9 and 13 percent.
4. The super absorbent electrostatic spraying non-woven fabric according to claim 1, wherein: the initiator is any one of persulfate, succinic peroxide and azobisisobutyramidine dihydrochloride solution.
5. The super-absorbent electrostatic spraying non-woven fabric according to claim 4, wherein: the initiator is succinic peroxide.
6. A preparation method of a super-absorbent electrostatic spraying non-woven fabric, which is characterized in that the polymerization coating of any one of claims 1 to 5 is processed and manufactured to prepare the super-absorbent electrostatic spraying non-woven fabric, and the preparation method comprises the following steps:
step 1: preparing waste paper pulp liquid; adding the waste paper into a pulp crusher for crushing, and continuously adding water to dilute the pulp liquid in the crushing process to obtain waste paper pulp liquid for later use;
step 2: preparing a polypropylene emulsion; adding 50% of deionized water into a reaction kettle, adding the polypropylene granules into the reaction kettle, and melting at high temperature to obtain polypropylene emulsion for later use;
and step 3: preparing a mixed water-absorbing emulsion; adding the rest 50% of deionized water into a reaction kettle, filling nitrogen, boiling the deionized water, adding acrylic acid, polyacrylamide and vinyl acetate/maleic anhydride copolymer into the reaction kettle, and finally adding an initiator for reaction to obtain a mixed water-absorbing emulsion;
and 4, step 4: preparing a polymer emulsion; adding the mixed water absorbing material and the waste paper pulp liquid into the polypropylene emulsion, uniformly mixing and stirring, dropwise adding the water-based organic silicon slip agent, stopping dropwise adding after the viscosity reaches 450-centipoise and 500-centipoise, stirring for 30 minutes, and then preserving heat to obtain polymer emulsion;
and 5: electrostatic spraying; polymer emulsion is sprayed into a net through electrostatic spinning, in the electrostatic spraying process, droplets are sprayed in the spraying direction parallel to the droplets of the polymer emulsion by reverse airflow, and under the action of high-speed hot airflow and an electrostatic field, the droplets are gathered, mixed and sprayed into fiber filaments, and the fiber filaments are cooled, solidified and deposited on a net gathering device to form a fiber silk net;
step 6: hot pressing to form cloth: the fiber silk screen is sent into a rolling cylinder by the net collecting device for hot pressing to prepare the fiber non-woven fabric.
7. The method for preparing the electrostatic spraying non-woven fabric with super water absorption according to claim 6, is characterized in that: in step 4, the properties of the polymer emulsion are as follows: the mass concentration is 2-40%, the surface tension range is 10-50 mN/m, and the conductivity range is 0.05-10 mS/cm.
8. The method for preparing the electrostatic spraying non-woven fabric with super water absorption according to claim 6, is characterized in that: in the step 5, the blowing flow velocity of the reverse air flow is 1-100 m/s.
9. The method for preparing the electrostatic spraying non-woven fabric with super water absorption according to claim 6, is characterized in that: in the step 6, the thickness of the fiber non-woven fabric is 0.4-0.6 mm.
CN202210598790.2A 2022-05-30 2022-05-30 Preparation method of super-strong water-absorbing electrostatic spraying non-woven fabric Pending CN114960032A (en)

Priority Applications (1)

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CN202210598790.2A CN114960032A (en) 2022-05-30 2022-05-30 Preparation method of super-strong water-absorbing electrostatic spraying non-woven fabric

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Application Number Priority Date Filing Date Title
CN202210598790.2A CN114960032A (en) 2022-05-30 2022-05-30 Preparation method of super-strong water-absorbing electrostatic spraying non-woven fabric

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CN114960032A true CN114960032A (en) 2022-08-30

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