CN111841148A - Non-woven fabric for filtration and preparation method thereof - Google Patents

Non-woven fabric for filtration and preparation method thereof Download PDF

Info

Publication number
CN111841148A
CN111841148A CN202010770538.6A CN202010770538A CN111841148A CN 111841148 A CN111841148 A CN 111841148A CN 202010770538 A CN202010770538 A CN 202010770538A CN 111841148 A CN111841148 A CN 111841148A
Authority
CN
China
Prior art keywords
woven fabric
parts
fibers
acrylic acid
container
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
Application number
CN202010770538.6A
Other languages
Chinese (zh)
Inventor
张自由
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Hualv Environmental Protection Technology Co ltd
Original Assignee
Kunshan Hualv Environmental Protection Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Hualv Environmental Protection Technology Co ltd filed Critical Kunshan Hualv Environmental Protection Technology Co ltd
Priority to CN202010770538.6A priority Critical patent/CN111841148A/en
Publication of CN111841148A publication Critical patent/CN111841148A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/203—Unsaturated carboxylic acids; Anhydrides, halides or salts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The invention relates to the technical field of non-woven fabrics, in particular to a non-woven fabric for filtration and a preparation method thereof, wherein the non-woven fabric comprises the following raw materials: the coating comprises PET, short fibers, polyester fibers, polypropylene fibers, an acrylic adhesive, a dispersing agent, a coating solution and an impregnating solution, wherein the amounts of the PET60 parts, the short fibers 70 parts, the polyester fibers 40 parts, the polypropylene fibers 10 parts, the acrylic adhesive 15 parts, the dispersing agent 0.3-0.8 part, the coating solution 10-20 parts and the impregnating solution 20-30 parts are respectively used, the overall formula and the method enable the non-woven fabric interception rate to be 99.989%, the dedusting degree and the PM2.5 filtration degree to be 99.994%, and the clean gas: 0.1mg/m3 (cubic meter) non-woven fabric is wear-resistant and compression-resistant, and the quality guarantee period is 3-5 years, so that the non-woven fabric manufactured by the formula and the method has stronger practicability.

Description

Non-woven fabric for filtration and preparation method thereof
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a non-woven fabric for filtration and a preparation method thereof.
Background
The non-woven fabric is a non-woven fabric, it is made up by directly using high polymer slice, short fibre or filament to make fibre pass through the air flow or mechanical net-forming process, then making water-jet, needle-punching or hot-rolling reinforcement, and finally making after-treatment to form the invented non-woven fabric with soft, air-permeable and plane structure.
The existing non-woven fabric is poor in filtering effect and poor in wear resistance, so that the non-woven fabric for filtering and the preparation method thereof are designed to overcome the technical defects and improve the practicability of the whole non-woven fabric, and the improvement of the existing non-woven fabric is particularly important.
Disclosure of Invention
The present invention is directed to a non-woven fabric for filtration and a method for preparing the same, which solve the problems of the background art mentioned above.
In order to achieve the purpose, the invention provides the following technical scheme:
a non-woven fabric for filtration and a preparation method thereof comprise the following raw materials: the coating material comprises, by weight, 60 parts of PET, 70 parts of short fibers, 40 parts of polyester fibers, 10 parts of polypropylene fibers, 15 parts of acrylic adhesives, 0.3-0.8 part of a dispersing agent, 10-20 parts of a coating solution and 20-30 parts of an impregnating solution.
Preferably, the coating solution is formed by mixing an acrylate copolymer emulsion and glass fibers, the acrylate copolymer emulsion is 55 wt% of water-dispersible acrylate copolymer emulsion, and the mass ratio of the acrylate copolymer emulsion to the glass fibers is 25: 1.
Preferably, the impregnation solution is prepared by mixing acrylic acid and titanium dioxide, and the mass ratio of the acrylic acid to the titanium dioxide is 30: 1.
Preferably, the method comprises the following steps:
s1: selecting non-woven fabric raw materials: PET, short fibers, polyester fibers, polypropylene fibers, acrylic acid adhesives, dispersing agents, acrylate copolymer emulsion, glass fibers, acrylic acid and titanium dioxide;
s2: after the non-woven fabric raw materials are selected, weighing the following raw materials in parts by weight: PET60 parts, short fibers 70 parts, polyester fibers 40 parts, polypropylene fibers 10 parts, acrylic acid adhesive 15 parts, dispersing agent 0.3-0.8 part, acrylic ester copolymer emulsion 9-19 parts, glass fibers 0.5-1 part, acrylic acid 19-29 parts and titanium dioxide 0.5-1 part;
s3: loosening and mixing the short fibers and the polyester fibers, and then carding to obtain a semi-finished non-woven fabric;
s4: cleaning a container: cleaning the interior of the container, airing, placing acrylic acid in the container, adding titanium dioxide into the container, stirring and mixing to prepare an impregnation solution;
s5: placing the non-woven fabric semi-finished product obtained in the step S3 in a container, and pouring the impregnation solution into the container to impregnate the non-woven fabric semi-finished product;
s6: taking out the non-woven fabric semi-finished product soaked in the step S5, drying and cooling;
s7: feeding the cooled semi-finished non-woven fabric into a web forming mechanism for web forming, and then reinforcing the semi-finished non-woven fabric into fabric;
s8: adding polypropylene fibers into a melt-blowing machine, and then carrying out melt-blowing on the non-woven fabric which is reinforced into cloth through the melt-blowing machine;
s9: coating acrylic acid adhesive on the melt-blown surface of the non-woven fabric subjected to melt blowing, then paving a PET film, then coating a layer of acrylic acid adhesive, then paving a layer of non-melt-blown non-woven fabric, and rolling, bonding and shaping the non-melt-blown non-woven fabric by 16D200g and 8D150g hot rollers;
s10: adding the acrylate copolymer emulsion and glass fiber into a pouring container, and uniformly mixing to obtain a coating solution;
s11: uniformly blade-coating the coating solution on two sides of the non-woven fabric subjected to hot-pressing bonding;
s12: drying the nonwoven fabric in step S11 at room temperature;
s13; and (5) drying the non-woven fabric in the step S12 through a drying tunnel, and coiling and slitting to obtain a non-woven fabric finished product.
Preferably, the impregnation time of the non-woven fabric semi-finished product in the step S5 is 3 h.
Preferably, the drying temperature in the step S6 is 80 ℃, and the drying time is 30 min.
Preferably, the hot roll temperature in step S9 is 300 °.
Preferably, the drying time at room temperature in step S12 is 10 min.
Preferably, the drying tunnel temperature in the step S13 is 130 ℃, and the drying time is 20 min.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the non-woven fabric interception rate is 99.989%, the dust removal and PM2.5 filtration degree is 99.994%, and the clean gas: 0.1mg/m3 (cubic meter) non-woven fabric is wear-resistant and compression-resistant, and the quality guarantee period is 3-5 years, so that the non-woven fabric manufactured by the formula and the method has stronger practicability.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The invention provides a technical scheme that:
a non-woven fabric for filtration and a preparation method thereof comprise the following raw materials: PET, short fiber, polyester fiber, polypropylene fiber, acrylic acid adhesive, dispersant, coating solution, dipping solution, its characterized in that: the coating material comprises, by weight, 60 parts of PET, 40 parts of polyester fiber, 10 parts of polypropylene fiber, 15 parts of acrylic adhesive, 0.3-0.8 part of dispersing agent, 10-20 parts of coating solution and 20-30 parts of dipping solution.
Example 1: weighing the following raw materials in parts by weight: PET60 parts, short fibers 70 parts, polyester fibers 40 parts, polypropylene fibers 10 parts, acrylic acid adhesive 15 parts, dispersing agent 0.3-0.8 part, acrylic ester copolymer emulsion 9-19 parts, glass fibers 0.5-1 part, acrylic acid 19-29 parts and titanium dioxide 0.5-1 part; loosening and mixing the short fibers and the polyester fibers, and then carding to obtain a semi-finished non-woven fabric; cleaning a container: cleaning the interior of the container, airing, placing acrylic acid in the container, adding titanium dioxide into the container, stirring and mixing to prepare an impregnation solution; placing the non-woven fabric semi-finished product obtained in the step into a container, and pouring the impregnation solution into the container to impregnate the non-woven fabric semi-finished product for 3 hours; drying at 80 deg.C for 30min, and cooling; feeding the cooled semi-finished non-woven fabric into a web forming mechanism for web forming, and then reinforcing the semi-finished non-woven fabric into fabric; adding polypropylene fibers into a melt-blowing machine, and then carrying out melt-blowing on the non-woven fabric which is reinforced into cloth through the melt-blowing machine; coating acrylic acid adhesive on the melt-blown surface of the non-woven fabric subjected to melt blowing, then paving a PET film, then coating a layer of acrylic acid adhesive, then paving a layer of non-melt-blown non-woven fabric, rolling and bonding by hot rollers at the temperature of 16D200g, 8D150g and 300 ℃, and shaping; adding the acrylate copolymer emulsion and glass fiber into a pouring container, and uniformly mixing to obtain a coating solution; uniformly blade-coating the coating solution on two sides of the non-woven fabric subjected to hot-pressing bonding; then drying the non-woven fabric for 10min at room temperature; drying the non-woven fabric for 20min in a drying tunnel at 130 ℃, and rolling and slitting to obtain a non-woven fabric finished product.
Example 2: weighing the following raw materials in parts by weight: PET20 parts, short fibers 20 parts, polyester fibers 30 parts, polypropylene fibers 5 parts, acrylic acid adhesive 15 parts, dispersing agent 0.3-0.8 part, acrylic ester copolymer emulsion 30 parts, glass fibers 10 parts, acrylic acid 15 parts and titanium dioxide 0.5-1 part; loosening and mixing the short fibers and the polyester fibers, and then carding to obtain a semi-finished non-woven fabric; cleaning a container: cleaning the interior of the container, airing, placing acrylic acid in the container, adding titanium dioxide into the container, stirring and mixing to prepare an impregnation solution; placing the non-woven fabric semi-finished product obtained in the step into a container, and pouring the impregnation solution into the container to impregnate the non-woven fabric semi-finished product for 5 hours; drying at 80 deg.C for 30min, and cooling; feeding the cooled semi-finished non-woven fabric into a web forming mechanism for web forming, and then reinforcing the semi-finished non-woven fabric into fabric; adding polypropylene fibers into a melt-blowing machine, and then carrying out melt-blowing on the non-woven fabric which is reinforced into cloth through the melt-blowing machine; coating acrylic acid adhesive on the melt-blown surface of the non-woven fabric subjected to melt blowing, then paving a PET film, then coating a layer of acrylic acid adhesive, then paving a layer of non-melt-blown non-woven fabric, rolling and bonding by hot rollers at the temperature of 16D200g, 8D150g and 200 ℃, and shaping; adding the acrylate copolymer emulsion and glass fiber into a pouring container, and uniformly mixing to obtain a coating solution; uniformly blade-coating the coating solution on two sides of the non-woven fabric subjected to hot-pressing bonding; then drying the non-woven fabric for 10min at room temperature; drying the non-woven fabric for 20min in a drying tunnel at 130 ℃, and rolling and slitting to obtain a non-woven fabric finished product.
Example 3: weighing the following raw materials in parts by weight: PET40 parts, staple fibers 90 parts, polyester fibers 40 parts, polypropylene fibers 10 parts, acrylic adhesives 30 parts, dispersing agents 0.3-0.8 part, acrylate copolymer emulsion 9-19 parts, glass fibers 0.5-1 part, acrylic acid 19-29 parts and titanium dioxide 0.5-1 part; loosening and mixing the short fibers and the polyester fibers, and then carding to obtain a semi-finished non-woven fabric; cleaning a container: cleaning the interior of the container, airing, placing acrylic acid in the container, adding titanium dioxide into the container, stirring and mixing to prepare an impregnation solution; placing the non-woven fabric semi-finished product obtained in the step into a container, and pouring the impregnation solution into the container to impregnate the non-woven fabric semi-finished product for 3 hours; drying at 80 deg.C for 30min, and cooling; feeding the cooled semi-finished non-woven fabric into a web forming mechanism for web forming, and then reinforcing the semi-finished non-woven fabric into fabric; adding polypropylene fibers into a melt-blowing machine, and then carrying out melt-blowing on the non-woven fabric which is reinforced into cloth through the melt-blowing machine; coating acrylic acid adhesive on the melt-blown surface of the non-woven fabric subjected to melt blowing, then paving a PET film, then coating a layer of acrylic acid adhesive, then paving a layer of non-melt-blown non-woven fabric, rolling and bonding by hot rollers at 16D200g, 8D150g and 500 ℃, and shaping; adding the acrylate copolymer emulsion and glass fiber into a pouring container, and uniformly mixing to obtain a coating solution; uniformly blade-coating the coating solution on two sides of the non-woven fabric subjected to hot-pressing bonding; then drying the non-woven fabric for 10min at room temperature; drying the non-woven fabric for 20min in a drying tunnel at 130 ℃, and rolling and slitting to obtain a non-woven fabric finished product.
The working process of the invention is as follows: the nonwoven fabrics manufactured in the embodiments 1, 2 and 3 were tested under the same conditions for their cleaning ability to obtain the best cleaning effect of the nonwoven fabric manufactured in the embodiment 1, and the overall formulation and method thereof enable the nonwoven fabric to have an interception rate of 99.989%, dust removal, PM2.5 filtration degree of 99.994%, clean gas: 0.1mg/m3 (cubic meter) non-woven fabric is wear-resistant and compression-resistant, and the quality guarantee period is 3-5 years, so that the non-woven fabric manufactured by the formula and the method has stronger practicability.
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. A non-woven fabric for filtration comprises the following raw materials: PET, short fiber, polyester fiber, polypropylene fiber, acrylic acid adhesive, dispersant, coating solution, dipping solution, its characterized in that: the coating material comprises, by weight, 60 parts of PET, 70 parts of staple fibers, 40 parts of polyester fibers, 10 parts of polypropylene fibers, 15 parts of acrylic adhesives, 0.3-0.8 part of dispersing agents, 10-20 parts of coating solutions and 20-30 parts of dipping solutions.
2. A nonwoven fabric for filtration according to claim 1, characterized in that: the coating solution is formed by mixing acrylic ester copolymer emulsion and glass fiber, wherein the acrylic ester copolymer emulsion is 55 wt% of water dispersible acrylic ester copolymer emulsion, and the mass ratio of the acrylic ester copolymer emulsion to the glass fiber is 25: 1.
3. A nonwoven fabric for filtration according to claim 1, characterized in that: the dipping solution is prepared by mixing acrylic acid and titanium dioxide, and the mass ratio of the acrylic acid to the titanium dioxide is 30: 1.
4. The method for preparing a non-woven fabric for filtration according to claim 1, wherein: the method comprises the following steps:
s1: selecting non-woven fabric raw materials: PET, short fibers, polyester fibers, polypropylene fibers, acrylic acid adhesives, dispersing agents, acrylate copolymer emulsion, glass fibers, acrylic acid and titanium dioxide;
s2: after the non-woven fabric raw materials are selected, weighing the following raw materials in parts by weight: PET60 parts, short fibers 70 parts, polyester fibers 40 parts, polypropylene fibers 10 parts, acrylic acid adhesive 15 parts, dispersing agent 0.3-0.8 part, acrylic ester copolymer emulsion 9-19 parts, glass fibers 0.5-1 part, acrylic acid 19-29 parts and titanium dioxide 0.5-1 part;
s3: loosening and mixing the short fibers and the polyester fibers, and then carding to obtain a semi-finished non-woven fabric;
s4: cleaning a container: cleaning the interior of the container, airing, placing acrylic acid in the container, adding titanium dioxide into the container, stirring and mixing to prepare an impregnation solution;
s5: placing the non-woven fabric semi-finished product obtained in the step S3 in a container, and pouring the impregnation solution into the container to impregnate the non-woven fabric semi-finished product;
s6: taking out the non-woven fabric semi-finished product soaked in the step S5, drying and cooling;
s7: feeding the cooled semi-finished non-woven fabric into a web forming mechanism for web forming, and then reinforcing the semi-finished non-woven fabric into fabric;
s8: adding polypropylene fibers into a melt-blowing machine, and then carrying out melt-blowing on the non-woven fabric which is reinforced into cloth through the melt-blowing machine;
s9: coating acrylic acid adhesive on the melt-blown surface of the non-woven fabric subjected to melt blowing, then paving a PET film, then coating a layer of acrylic acid adhesive, then paving a layer of non-melt-blown non-woven fabric, and rolling, bonding and shaping the non-melt-blown non-woven fabric by 16D200g and 8D150g hot rollers;
s10: adding the acrylate copolymer emulsion and glass fiber into a pouring container, and uniformly mixing to obtain a coating solution;
s11: uniformly blade-coating the coating solution on two sides of the non-woven fabric subjected to hot-pressing bonding;
s12: drying the nonwoven fabric in step S11 at room temperature;
s13; and (5) drying the non-woven fabric in the step S12 through a drying tunnel, and coiling and slitting to obtain a non-woven fabric finished product.
5. The method for preparing a non-woven fabric for filtration according to claim 3, wherein: the impregnation time of the non-woven fabric semi-finished product in the step S5 is 3 h.
6. The method for preparing a non-woven fabric for filtration according to claim 3, wherein: in the step S6, the drying temperature is 80 ℃, and the drying time is 30 min.
7. The method for preparing a non-woven fabric for filtration according to claim 3, wherein: the hot roll temperature in step S9 is 300 °.
8. The method for preparing a non-woven fabric for filtration according to claim 3, wherein: the drying time at room temperature in the step S12 is 10 min.
9. The method for preparing a non-woven fabric for filtration according to claim 3, wherein: in the step S13, the drying tunnel temperature is 130 ℃, and the drying time is 20 min.
CN202010770538.6A 2020-08-04 2020-08-04 Non-woven fabric for filtration and preparation method thereof Pending CN111841148A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010770538.6A CN111841148A (en) 2020-08-04 2020-08-04 Non-woven fabric for filtration and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010770538.6A CN111841148A (en) 2020-08-04 2020-08-04 Non-woven fabric for filtration and preparation method thereof

Publications (1)

Publication Number Publication Date
CN111841148A true CN111841148A (en) 2020-10-30

Family

ID=72953015

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010770538.6A Pending CN111841148A (en) 2020-08-04 2020-08-04 Non-woven fabric for filtration and preparation method thereof

Country Status (1)

Country Link
CN (1) CN111841148A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005226213A (en) * 2004-01-14 2005-08-25 Toray Ind Inc Method for producing leathery sheet-like product
KR101152187B1 (en) * 2011-06-22 2012-06-15 (주)대한솔루션 Hollow fiber acoustic absorbent and method for manufacturing the same
KR20150040676A (en) * 2013-10-07 2015-04-15 (주)에프티이앤이 Filter including polyvinylidene fluoride nanofiber and its manufacturing method
CN106390602A (en) * 2016-12-01 2017-02-15 镇江润泓新材料科技有限公司 Filtering material used for air/liquid filter, and preparation method thereof
KR101819126B1 (en) * 2016-09-22 2018-01-16 김철웅 The Composite Filter for for purifying water and Unity type Composite Filter Using the same
CN108611763A (en) * 2018-04-09 2018-10-02 河南工程学院 Static Spinning PET/ melt-blown PP non-woven fabrics heats compound production method
CN208493530U (en) * 2018-07-03 2019-02-15 江苏爱丝品环保新材料有限公司 A kind of flue-gas dust removal and purification glass filter cloth
CN110901188A (en) * 2018-09-18 2020-03-24 镇江润泓新材料科技有限公司 Filter type non-woven fabric and preparation method thereof
CN111282345A (en) * 2020-02-24 2020-06-16 深圳维度新材料有限公司 Preparation method of composite material layer, composite material layer and air purification filter material

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005226213A (en) * 2004-01-14 2005-08-25 Toray Ind Inc Method for producing leathery sheet-like product
KR101152187B1 (en) * 2011-06-22 2012-06-15 (주)대한솔루션 Hollow fiber acoustic absorbent and method for manufacturing the same
KR20150040676A (en) * 2013-10-07 2015-04-15 (주)에프티이앤이 Filter including polyvinylidene fluoride nanofiber and its manufacturing method
KR101819126B1 (en) * 2016-09-22 2018-01-16 김철웅 The Composite Filter for for purifying water and Unity type Composite Filter Using the same
CN106390602A (en) * 2016-12-01 2017-02-15 镇江润泓新材料科技有限公司 Filtering material used for air/liquid filter, and preparation method thereof
CN108611763A (en) * 2018-04-09 2018-10-02 河南工程学院 Static Spinning PET/ melt-blown PP non-woven fabrics heats compound production method
CN208493530U (en) * 2018-07-03 2019-02-15 江苏爱丝品环保新材料有限公司 A kind of flue-gas dust removal and purification glass filter cloth
CN110901188A (en) * 2018-09-18 2020-03-24 镇江润泓新材料科技有限公司 Filter type non-woven fabric and preparation method thereof
CN111282345A (en) * 2020-02-24 2020-06-16 深圳维度新材料有限公司 Preparation method of composite material layer, composite material layer and air purification filter material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
胡敏辉等: "《水工建筑材料》", 31 March 2013 *

Similar Documents

Publication Publication Date Title
CN110130116A (en) The preparation process of alkaline-resisting PTFE fiber, PPS fiber blend Nomex
CN109576902B (en) Cotton-hemp-soft towel blended spunlaced nonwoven material and preparation method thereof
WO2022078081A1 (en) Wood pulp/polyester composite wiping material having sandwich structure
CN112342691B (en) Elastic antibacterial non-woven fabric and manufacturing process thereof
CN110965203B (en) Low-energy-consumption environment-friendly polypropylene spun-bonded non-woven fabric and preparation process thereof
CN108893868A (en) A kind of coarse meltblown non-woven fabrics and preparation method thereof
CN109529452A (en) A kind of preparation method of glass fibre compound spiked felt filtering material
CN112030361A (en) Soft medical surgical gown SMS non-woven fabric and preparation method thereof
CN102230258A (en) Production method and system of low weight flat non-woven fabric
CN102493124A (en) Production method of spun silk and cotton blended spunlace nonwoven fabric
CN108166160A (en) A kind of preparation process of agriculture and garden ecological, environmental protective polypropylene non-woven fabric
CN115323628A (en) Antistatic flash-spun composite non-woven fabric and preparation method thereof
CN112323253A (en) Dual-reinforcement non-woven wiping material and preparation method thereof
CN111841148A (en) Non-woven fabric for filtration and preparation method thereof
CN110241508A (en) A kind of preparation method of the antistatic Wiping material of high water absorption
CN108823812A (en) One kind washing the Comoposite spunbonded hot rolling hot wind consolidated nonwoven cloth production process of brocade
CN111575914A (en) 3N spunlace non-woven fabric processing technology
CN110965206B (en) Polypropylene spun-bonded non-woven fabric and preparation process thereof for improving softness of polypropylene spun-bonded non-woven fabric
CN105498361A (en) Polyester-ultrafine fiber composite nonwoven filter felt and making method thereof
CN112195561B (en) Degradable non-woven fabric and preparation method thereof
CN104452111A (en) Method for preparing spun-bonded non-woven cloth
CN106930000A (en) A kind of mixed type synthetic fiber fabric and its production method
CN114318603A (en) Preparation method of cotton fiber/thermoplastic polyurethane nanofiber blended yarn
CN111035994B (en) Preparation method of low-resistance filter material
WO2021007746A1 (en) Spunlace nonwoven material and processing method therefor

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20201030

RJ01 Rejection of invention patent application after publication