CN110744879A - Tough environment-friendly non-woven fabric and preparation method thereof - Google Patents

Tough environment-friendly non-woven fabric and preparation method thereof Download PDF

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Publication number
CN110744879A
CN110744879A CN201911053825.9A CN201911053825A CN110744879A CN 110744879 A CN110744879 A CN 110744879A CN 201911053825 A CN201911053825 A CN 201911053825A CN 110744879 A CN110744879 A CN 110744879A
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China
Prior art keywords
woven fabric
water
layer
fiber
outer layer
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CN201911053825.9A
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Chinese (zh)
Inventor
陈解忧
黄冠儒
张洛泓
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FUJIAN GUAN HONG INDUSTRIAL Co Ltd
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FUJIAN GUAN HONG INDUSTRIAL Co Ltd
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Priority to CN201911053825.9A priority Critical patent/CN110744879A/en
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    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—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
    • 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
    • B32B37/10—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
    • 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
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • 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
    • B32B7/04—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
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • 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
    • B32B2255/28—Multiple coating on one surface
    • 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
    • B32B2262/06—Vegetal 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
    • B32B2307/558—Impact strength, toughness
    • 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
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • 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
    • B32B2307/716—Degradable
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filtering Materials (AREA)

Abstract

The invention discloses a tough environment-friendly non-woven fabric, which comprises an outer layer of the non-woven fabric, wherein the bottom end of the outer layer of the non-woven fabric is coated with a water-based non-setting adhesive, a reinforcing gauze is placed in the water-based non-setting adhesive, the bottom end of the outer layer of the non-woven fabric is connected with a degradable layer through the water-based non-setting adhesive, and the top end of the outer layer of the non-woven fabric is coated with a waterproof coating layer, the non-woven fabric is scientific and reasonable in structure and safe and convenient to use, the prepared non-woven fabric is softer and can be rapidly degraded by adding cotton fibers, wood fibers and bamboo fibers in a weight ratio of 5:3:2 and adding xylanase with the weight being 1.5% of the total weight of the fibers and 0.6% of viscose enzyme for softening treatment, so that the condition that the non-woven fabric cannot be naturally, the integral strength of the non-woven fabric can be increased, and the tear resistance of the non-woven fabric can be improved.

Description

Tough environment-friendly non-woven fabric and preparation method thereof
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a tough environment-friendly non-woven fabric and a preparation method thereof.
Background
The non-woven fabric is also called non-woven fabric, is formed by directional or random fibers, is a new generation of environment-friendly material, has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity, no irritation, rich colors, low price, recycling and the like, is usually produced by adopting polypropylene granules and polyethylene granules as raw materials through a continuous one-step method of high-temperature melting, spinning, lapping and hot-pressing coiling;
but the non-woven fabrics that this method made owing to adopt macromolecular material to make, degrades in the non-woven fabrics natural environment again of making, leads to the non-woven fabrics to be abandoning the back, leads to environmental pollution's the condition easily, is unfavorable for the environmental protection performance when the non-woven fabrics uses, and the non-woven fabrics that this method made, and bulk strength is comparatively single, can't bear certain tearing, leads to the non-woven fabrics to receive the exogenic action time, the condition of tearing appears easily.
Disclosure of Invention
The technical scheme provided by the invention can effectively solve the problems that the prepared non-woven fabric cannot be degraded in a natural environment due to the adoption of the high polymer material, so that the environment pollution is easily caused after the non-woven fabric is discarded, and the environment-friendly performance of the non-woven fabric in use is not facilitated.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tough environment-friendly non-woven fabrics, includes that the non-woven fabrics is outer, the outer bottom of non-woven fabrics scribbles waterborne non-setting adhesive, the enhancement gauze has been placed to the inside of waterborne non-setting adhesive, the outer bottom of non-woven fabrics is connected with degradable layer through waterborne non-setting adhesive, the outer top coating of non-woven fabrics has waterproof coating layer.
Preferably, the reinforcing gauze is a polypropylene fiber mesh, and the aperture of the reinforcing gauze is 0.1 mm.
Preferably, the thickness of the waterproof coating layer is 1mm, and the thickness of the water-based adhesive sticker is 2 mm.
A preparation method of tough environment-friendly non-woven fabric comprises the following steps:
s1, raw material treatment: selecting cotton fiber, wood fiber and bamboo fiber, crushing and dispersing, mixing and pulping, adding into water to obtain a mixture, and fishing out a part of the mixture by using a filter screen to obtain a fiber layer;
s2, softening treatment: adding xylanase and a viscose enzyme to the mixture of the fibers and water, and heating the mixture of the fibers and water to soften the fibers;
s3, fishing and cleaning: fishing out the softened fiber, adding the fiber into clear water for rinsing, and fishing out by using a filter screen to obtain a softened fiber layer;
s4, water-jet dewatering: selecting the fished fiber layer and the softened fiber layer, respectively spraying high-pressure water flow through the micropores, carrying out water stabbing for multiple times to obtain a non-woven fabric outer layer and a degradable layer, and squeezing and dewatering the formed non-woven fabric outer layer and the degradable layer after the water stabbing is finished;
s5, gluing and adhering: coating the surface of the outer layer of the non-woven fabric with water-based adhesive sticker for multiple times, placing the polypropylene fiber net on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and then placing the degradable layer on the surface of the outer layer of the non-woven fabric for laminating and bonding;
s6, drying the paint: and (3) coating waterproof paint on the outer layer part of the non-woven fabric on the surface of the non-woven fabric which is pressed and bonded, and then curling and storing the non-woven fabric after drying the non-woven fabric.
According to the technical characteristics, in the step S1, cotton fibers, wood fibers and bamboo fibers are selected, the weight ratio of the cotton fibers to the wood fibers to the bamboo fibers is 5:3:2, the cotton fibers, the wood fibers and the bamboo fibers are crushed and dispersed by a crusher respectively, then mixed and pulped, the mixture is added into water to form a mixture, and 50% of the mixture is fished out by a filter screen to obtain a fiber layer.
According to the technical characteristics, in the step S2, xylanase and a viscose enzyme are added into the mixture of the rest fiber and water, wherein the weight of the xylanase and the viscose enzyme is 1.5 percent and 0.6 percent of the total weight of the added fiber, and the mixture of the fiber and the water is heated, the heating temperature is kept at 42 ℃, and the heating time is 13 min.
According to the technical characteristics, in the step S3, the softened fiber is fished out, and is added into clean water for rinsing, the rinsing frequency is 3 times, the rinsing time is 60S each time, and the fiber is fished out by using a filter screen, so as to obtain the softened fiber layer.
According to the technical characteristics, in the step S4, the fiber layer and the softened fiber layer obtained by fishing out are selected, high-pressure water flow is respectively used for ejecting through micropores, water jet is performed for 8 times, the water flow pressure during water jet of the fiber layer is kept at 10.5KPa, the pore diameter of the micropores is 0.2mm, the water flow pressure during water jet of the softened fiber layer is kept at 7KPa, the pore diameter of the micropores is 0.15mm, and the outer layer and the degradable layer of the non-woven fabric are obtained, and after the water jet is finished, the formed outer layer and the degradable layer of the non-woven fabric are pressed and dehydrated by using a press roll.
According to the technical characteristics, in the step S5, the surface of the outer layer of the non-woven fabric is coated with the water-based adhesive sticker for 5 times, the thickness of the water-based adhesive sticker is 2mm, the polypropylene fiber net is placed on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and the degradable layer is placed on the surface of the outer layer of the non-woven fabric for laminating and bonding.
According to the technical characteristics, in the step S6, the waterproof paint is coated for 5 times on the outer layer part of the non-woven fabric on the surface of the pressed and bonded non-woven fabric, then the non-woven fabric is dried, the drying temperature of the non-woven fabric is kept at 27 ℃, the drying time is 25min, and then the non-woven fabric is curled and stored.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
the cotton fiber, the wood fiber and the bamboo fiber in a weight ratio of 5:3:2 are added with xylanase with the weight of 1.5 percent of the total weight of the added fibers and viscose enzyme with the weight of 0.6 percent for softening treatment, so that the prepared non-woven fabric is softer and can be rapidly degraded.
By coating the water-based adhesive sticker on the outer layer surface of the non-woven fabric for 5 times and placing the polypropylene fiber net on the outer layer surface of the non-woven fabric, the overall strength of the prepared non-woven fabric can be increased, and the tear resistance of the non-woven fabric is improved.
By coating the outer layer part of the non-woven fabric on the surface of the non-woven fabric for 5 times, the water permeability of the outer layer part of the non-woven fabric can be reduced, and the integral waterproof capability of the outer layer part of the non-woven fabric is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic flow diagram of the present invention;
reference numbers in the figures: 1. an outer layer of non-woven fabric; 2. water-based adhesive sticker; 3. a reinforcing gauze; 4. a degradable layer; 5. and (4) a waterproof coating layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1: as shown in figure 1, the invention provides a technical scheme, the tough environment-friendly non-woven fabric comprises a non-woven fabric outer layer 1, a water-based non-setting adhesive 2 is coated at the bottom end of the non-woven fabric outer layer 1, a reinforcing gauze 3 is placed inside the water-based non-setting adhesive 2, the bottom end of the non-woven fabric outer layer 1 is connected with a degradable layer 4 through the water-based non-setting adhesive 2, a waterproof coating layer 5 is coated at the top end of the non-woven fabric outer layer 1, the reinforcing gauze 3 is specifically a polypropylene fiber net, the aperture of the reinforcing gauze 3 is 0.1mm, the overall strength of the reinforcing gauze 3 is increased, the thickness of the waterproof coating layer 5 is 1mm, the thickness of the water-based non.
Example 2: as shown in figure 2, the invention provides a technical scheme, and a preparation method of a tough environment-friendly non-woven fabric comprises the following steps:
s1, raw material treatment: selecting cotton fiber, wood fiber and bamboo fiber, crushing and dispersing, mixing and pulping, adding into water to obtain a mixture, and fishing out a part of the mixture by using a filter screen to obtain a fiber layer;
s2, softening treatment: adding xylanase and a viscose enzyme to the mixture of the fibers and water, and heating the mixture of the fibers and water to soften the fibers;
s3, fishing and cleaning: fishing out the softened fiber, adding the fiber into clear water for rinsing, and fishing out by using a filter screen to obtain a softened fiber layer;
s4, water-jet dewatering: selecting the fished fiber layer and the softened fiber layer, respectively spraying high-pressure water flow through the micropores, carrying out water stabbing for multiple times to obtain a non-woven fabric outer layer and a degradable layer, and squeezing and dewatering the formed non-woven fabric outer layer and the degradable layer after the water stabbing is finished;
s5, gluing and adhering: coating the surface of the outer layer of the non-woven fabric with water-based adhesive sticker for multiple times, placing the polypropylene fiber net on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and then placing the degradable layer on the surface of the outer layer of the non-woven fabric for laminating and bonding;
s6, drying the paint: and (3) coating waterproof paint on the outer layer part of the non-woven fabric on the surface of the non-woven fabric which is pressed and bonded, and then curling and storing the non-woven fabric after drying the non-woven fabric.
According to the technical characteristics, in the step S1, cotton fibers, wood fibers and bamboo fibers are selected, the weight ratio of the cotton fibers to the wood fibers to the bamboo fibers is 5:3:2, the cotton fibers, the wood fibers and the bamboo fibers are crushed and dispersed respectively by a crusher, then mixed and pulped, the mixture is added into water to form a mixture, and 50% of the mixture is fished out by a filter screen to obtain a fiber layer.
According to the above technical characteristics, in step S2, xylanase and a viscose enzyme are added to the remaining mixture of fibres and water in amounts of 1.5% and 0.6% of the total weight of the added fibres, and the mixture of fibres and water is heated at 42 ℃ for 13 min.
According to the technical characteristics, in step S3, the softened fiber is fished out, and is added into clean water for rinsing, the rinsing frequency is 3 times, the rinsing time is 60S each time, and the fiber is fished out by using a filter screen, so as to obtain a softened fiber layer.
According to the technical characteristics, in step S4, the fiber layer and the softened fiber layer are selected and fished out, high-pressure water flow is respectively used for spraying through micropores, water jet is carried out for 8 times, the water flow pressure during the water jet of the fiber layer is kept at 10.5KPa, the pore diameter of the micropores is 0.2mm, the water flow pressure during the water jet of the softened fiber layer is kept at 7KPa, the pore diameter of the micropores is 0.15mm, the outer layer and the degradable layer of the non-woven fabric are obtained, and after the water jet is finished, the outer layer and the degradable layer of the formed non-woven fabric are pressed and dehydrated by using a press roll.
According to the technical characteristics, in the step S5, the surface of the outer layer of the non-woven fabric is coated with the water-based adhesive sticker for 5 times, the thickness of the water-based adhesive sticker is 2mm, the polypropylene fiber net is placed on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and the degradable layer is placed on the surface of the outer layer of the non-woven fabric for laminating and bonding.
According to the technical characteristics, in step S6, the waterproof paint is coated for 5 times on the outer layer part of the non-woven fabric on the surface of the pressed and bonded non-woven fabric, then the non-woven fabric is dried, the drying temperature of the non-woven fabric is kept at 27 ℃, the drying time is 25min, and then the non-woven fabric is coiled and stored.
Example 3: as shown in figure 2, the invention provides a technical scheme, and a preparation method of a tough environment-friendly non-woven fabric comprises the following steps:
s1, raw material treatment: selecting cotton fiber, wood fiber and bamboo fiber, crushing and dispersing, mixing and pulping, adding into water to obtain a mixture, and fishing out a part of the mixture by using a filter screen to obtain a fiber layer;
s2, softening treatment: adding xylanase and a viscose enzyme to the mixture of the fibers and water, and heating the mixture of the fibers and water to soften the fibers;
s3, fishing and cleaning: fishing out the softened fiber, adding the fiber into clear water for rinsing, and fishing out by using a filter screen to obtain a softened fiber layer;
s4, water-jet dewatering: selecting the fished fiber layer and the softened fiber layer, respectively spraying high-pressure water flow through the micropores, carrying out water stabbing for multiple times to obtain a non-woven fabric outer layer and a degradable layer, and squeezing and dewatering the formed non-woven fabric outer layer and the degradable layer after the water stabbing is finished;
s5, gluing and adhering: coating the surface of the outer layer of the non-woven fabric with water-based adhesive sticker for multiple times, placing the polypropylene fiber net on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and then placing the degradable layer on the surface of the outer layer of the non-woven fabric for laminating and bonding;
s6, drying the paint: and (3) coating waterproof paint on the outer layer part of the non-woven fabric on the surface of the non-woven fabric which is pressed and bonded, and then curling and storing the non-woven fabric after drying the non-woven fabric.
According to the technical characteristics, in the step S1, cotton fibers, wood fibers and bamboo fibers are selected, the weight ratio of the cotton fibers to the wood fibers to the bamboo fibers is 5:3:2, the cotton fibers, the wood fibers and the bamboo fibers are crushed and dispersed respectively by a crusher, then mixed and pulped, the mixture is added into water to form a mixture, and 50% of the mixture is fished out by a filter screen to obtain a fiber layer.
According to the above technical characteristics, in step S2, xylanase and a viscose enzyme are added to the remaining mixture of fibres and water in amounts of 1.8% and 0.75% of the total weight of the added fibres, and the mixture of fibres and water is heated at 42 ℃ for 17 min.
According to the technical characteristics, in step S3, the softened fiber is fished out, and is added into clean water for rinsing, the rinsing frequency is 4 times, the rinsing time is 70S each time, and the fiber is fished out by using a filter screen, so as to obtain a softened fiber layer.
According to the technical characteristics, in the step S4, the fiber layer and the softened fiber layer which are obtained by fishing out are selected, high-pressure water flow is respectively used for spraying through micropores, water jet is carried out for 7 times, the water flow pressure during the water jet of the fiber layer is kept at 12KPa, the pore diameter of the micropores is 0.25mm, the water flow pressure during the water jet of the softened fiber layer is kept at 8KPa, the pore diameter of the micropores is 0.2mm, and the outer layer and the degradable layer of the non-woven fabric are obtained, and after the water jet is finished, the outer layer and the degradable layer of the formed non-woven fabric are pressed and dehydrated by using.
According to the technical characteristics, in the step S5, the surface of the outer layer of the non-woven fabric is coated with the water-based adhesive sticker for 6 times, the thickness of the water-based adhesive sticker is 2.5mm, the polypropylene fiber net is placed on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and the degradable layer is placed on the surface of the outer layer of the non-woven fabric for laminating and bonding.
According to the technical characteristics, in step S6, the waterproof paint is coated for 7 times on the outer layer part of the non-woven fabric on the surface of the pressed and bonded non-woven fabric, then the non-woven fabric is dried, the drying temperature of the non-woven fabric is kept at 35 ℃, the drying time is 30min, and then the non-woven fabric is coiled and stored.
Example 4: as shown in figure 2, the invention provides a technical scheme, and a preparation method of a tough environment-friendly non-woven fabric comprises the following steps:
s1, raw material treatment: selecting cotton fiber, wood fiber and bamboo fiber, crushing and dispersing, mixing and pulping, adding into water to obtain a mixture, and fishing out a part of the mixture by using a filter screen to obtain a fiber layer;
s2, softening treatment: adding xylanase and a viscose enzyme to the mixture of the fibers and water, and heating the mixture of the fibers and water to soften the fibers;
s3, fishing and cleaning: fishing out the softened fiber, adding the fiber into clear water for rinsing, and fishing out by using a filter screen to obtain a softened fiber layer;
s4, water-jet dewatering: selecting the fished fiber layer and the softened fiber layer, respectively spraying high-pressure water flow through the micropores, carrying out water stabbing for multiple times to obtain a non-woven fabric outer layer and a degradable layer, and squeezing and dewatering the formed non-woven fabric outer layer and the degradable layer after the water stabbing is finished;
s5, gluing and adhering: coating the surface of the outer layer of the non-woven fabric with water-based adhesive sticker for multiple times, placing the polypropylene fiber net on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and then placing the degradable layer on the surface of the outer layer of the non-woven fabric for laminating and bonding;
s6, drying the paint: and (3) coating waterproof paint on the outer layer part of the non-woven fabric on the surface of the non-woven fabric which is pressed and bonded, and then curling and storing the non-woven fabric after drying the non-woven fabric.
According to the technical characteristics, in the step S1, cotton fibers, wood fibers and bamboo fibers are selected, the weight ratio of the cotton fibers to the wood fibers to the bamboo fibers is 5:3:2, the cotton fibers, the wood fibers and the bamboo fibers are crushed and dispersed respectively by a crusher, then mixed and pulped, the mixture is added into water to form a mixture, and 50% of the mixture is fished out by a filter screen to obtain a fiber layer.
According to the above technical characteristics, in step S2, xylanase and a viscose enzyme are added to the remaining mixture of fibres and water in amounts of 1.1% and 0.45% of the total weight of the added fibres, and the mixture of fibres and water is heated at a temperature of 35 ℃ for 10 min.
According to the technical characteristics, in step S3, the softened fiber is fished out, and is added into clean water for rinsing, the rinsing frequency is 2 times, the rinsing time is 50S each time, and the fiber is fished out by using a filter screen, so as to obtain a softened fiber layer.
According to the technical characteristics, in the step S4, the fiber layer and the softened fiber layer which are obtained by fishing out are selected, high-pressure water flow is respectively used for spraying through micropores, water jet is carried out for 9 times, the water flow pressure during the water jet of the fiber layer is kept at 9KPa, the pore diameter of the micropores is 0.15mm, the water flow pressure during the water jet of the softened fiber layer is kept at 6KPa, the pore diameter of the micropores is 0.1mm, and the outer layer and the degradable layer of the non-woven fabric are obtained, and after the water jet is finished, the outer layer and the degradable layer of the formed non-woven fabric are pressed and dehydrated by using.
According to the technical characteristics, in the step S5, the surface of the outer layer of the non-woven fabric is coated with the water-based adhesive sticker for 3 times, the thickness of the water-based adhesive sticker is 1.5mm, the polypropylene fiber net is placed on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and the degradable layer is placed on the surface of the outer layer of the non-woven fabric for laminating and bonding.
According to the technical characteristics, in step S6, the waterproof paint is coated for 3 times on the outer layer part of the non-woven fabric on the surface of the pressed and bonded non-woven fabric, then the non-woven fabric is dried, the drying temperature of the non-woven fabric is kept at 20 ℃, the drying time is 20min, and then the non-woven fabric is coiled and stored.
Example 5: as shown in figure 2, the invention provides a technical scheme, and a preparation method of a tough environment-friendly non-woven fabric comprises the following steps:
s1, raw material treatment: selecting cotton fiber, wood fiber and bamboo fiber, crushing and dispersing, mixing and pulping, adding into water to obtain a mixture, and fishing out a part of the mixture by using a filter screen to obtain a fiber layer;
s2, softening treatment: adding xylanase and a viscose enzyme to the mixture of the fibers and water, and heating the mixture of the fibers and water to soften the fibers;
s3, fishing and cleaning: fishing out the softened fiber, adding the fiber into clear water for rinsing, and fishing out by using a filter screen to obtain a softened fiber layer;
s4, water-jet dewatering: selecting the fished fiber layer and the softened fiber layer, respectively spraying high-pressure water flow through the micropores, carrying out water stabbing for multiple times to obtain a non-woven fabric outer layer and a degradable layer, and squeezing and dewatering the formed non-woven fabric outer layer and the degradable layer after the water stabbing is finished;
s5, gluing and adhering: coating the surface of the outer layer of the non-woven fabric with water-based adhesive sticker for multiple times, placing the polypropylene fiber net on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and then placing the degradable layer on the surface of the outer layer of the non-woven fabric for laminating and bonding;
s6, drying the paint: and (3) coating waterproof paint on the outer layer part of the non-woven fabric on the surface of the non-woven fabric which is pressed and bonded, and then curling and storing the non-woven fabric after drying the non-woven fabric.
According to the technical characteristics, in the step S1, cotton fibers, wood fibers and bamboo fibers are selected, the weight ratio of the cotton fibers to the wood fibers to the bamboo fibers is 5:3:2, the cotton fibers, the wood fibers and the bamboo fibers are crushed and dispersed respectively by a crusher, then mixed and pulped, the mixture is added into water to form a mixture, and 50% of the mixture is fished out by a filter screen to obtain a fiber layer.
According to the above technical characteristics, in step S2, xylanase and a viscose enzyme are added to the remaining mixture of fibres and water in amounts of 1.8% and 0.45% of the total weight of the added fibres, and the mixture of fibres and water is heated at 42 ℃ for 13 min.
According to the technical characteristics, in step S3, the softened fiber is fished out, and is added into clean water for rinsing, the rinsing frequency is 3 times, the rinsing time is 50S each time, and the fiber is fished out by using a filter screen, so as to obtain a softened fiber layer.
According to the technical characteristics, in step S4, the fiber layer and the softened fiber layer are selected and fished out, high-pressure water flow is respectively used for ejecting through micropores, the water flow pressure during the water jetting of the fiber layer is kept at 11KPa, the pore diameter of the micropores is 0.15mm, the water flow pressure during the water jetting of the softened fiber layer is kept at 8KPa, the pore diameter of the micropores is 0.2mm, the outer layer and the degradable layer of the non-woven fabric are obtained, and after the water jetting is finished, the outer layer and the degradable layer of the formed non-woven fabric are pressed and dehydrated by using a press roll.
According to the technical characteristics, in the step S5, the surface of the outer layer of the non-woven fabric is coated with the water-based adhesive sticker, the number of times of coating the water-based adhesive sticker is 4, the thickness of the water-based adhesive sticker is 1.8mm, the polypropylene fiber net is placed on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and then the degradable layer is placed on the surface of the outer layer of the non-woven fabric for laminating and bonding.
According to the technical characteristics, in step S6, the waterproof paint is coated for 4 times on the outer layer part of the non-woven fabric on the surface of the pressed and bonded non-woven fabric, then the non-woven fabric is dried, the drying temperature of the non-woven fabric is kept at 25 ℃, the drying time is 20min, and then the non-woven fabric is coiled and stored.
Figure 136990DEST_PATH_IMAGE001
According to the detection results in the table, the cotton fiber, the wood fiber and the bamboo fiber are added in a weight ratio of 5:3:2, xylanase and viscose enzyme are added in an amount of 1.5 percent and 0.6 percent of the total weight of the fibers, the water-based adhesive sticker is coated for 5 times, and when the waterproof coating is coated for 5 times, the prepared non-woven fabric has the best comprehensive performance of bearing tearing tension, waterproofness and degradation time.
The working principle and the using process of the invention are as follows: firstly, selecting cotton fibers, wood fibers and bamboo fibers with a weight ratio of 5:3:2, crushing and dispersing the cotton fibers, the wood fibers and the bamboo fibers respectively by using a crusher, mixing and pulping the cotton fibers, the wood fibers and the bamboo fibers, adding the mixture into water to form a mixture, fishing out 50 percent of the mixture by using a filter screen to obtain a fiber layer, adding 1.5 percent of xylanase and 0.6 percent of viscose enzyme into the remaining mixture of the fibers and the water according to the total weight of the fibers, heating the mixture of the fibers and the water at 42 ℃ for 13min, fishing out the softened fibers, adding clear water for rinsing for 3 times of 60s, fishing out by using the filter screen to obtain a softened fiber layer, selecting the obtained fiber layer, spraying out the softened fiber layer by using high-pressure water flow with a pressure of 10.5KPa through micropores with a pore diameter of 0.2mm, and carrying out spunlacing of the water flow for 8 times, selecting a fiber layer obtained by fishing out, using high-pressure water flow with the pressure of 7KPa, spraying out through micropores with the pore diameter of 0.15mm, carrying out water jetting for 8 times to obtain a non-woven fabric outer layer and a degradable layer, after the water jetting is finished, squeezing and dehydrating the formed non-woven fabric outer layer and the degradable layer by using a compression roller, coating 5 times of water-based adhesive sticker on the surface of the non-woven fabric outer layer to enable the thickness of the water-based adhesive sticker to be 2mm, placing a polypropylene fiber net on the surface of the non-woven fabric outer layer after the water-based adhesive sticker is coated, placing the degradable layer on the surface of the non-woven fabric outer layer, carrying out press bonding, finally coating 5 times of waterproof paint on the non-woven fabric outer layer part on the surface of the press bonded non-woven fabric, drying the non-woven fabric at the.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a tough environment-friendly non-woven fabrics, includes non-woven fabrics outer layer (1), waterborne non-setting adhesive (2), strengthens gauze (3), degradable layer (4) and water proof coating layer (5), its characterized in that: the bottom of non-woven fabrics outer (1) scribbles waterborne non-setting adhesive (2), strengthen gauze (3) have been placed to the inside of waterborne non-setting adhesive (2), the bottom of non-woven fabrics outer (1) is connected with degradable layer (4) through waterborne non-setting adhesive (2), the top coating of non-woven fabrics outer (1) has waterproof coating layer (5).
2. The tough environment-friendly non-woven fabric according to claim 1, wherein the reinforcing gauze (3) is a polypropylene fiber mesh, and the aperture of the reinforcing gauze (3) is 0.1 mm.
3. The tough environment-friendly non-woven fabric according to claim 1, wherein the thickness of the waterproof coating layer (5) is 1mm, and the thickness of the water-based adhesive sticker (2) is 2 mm.
4. The preparation method of the tough environment-friendly non-woven fabric according to any one of claims 1 to 3, which is characterized by comprising the following steps of:
s1, raw material treatment: selecting cotton fiber, wood fiber and bamboo fiber, crushing and dispersing, mixing and pulping, adding into water to obtain a mixture, and fishing out a part of the mixture by using a filter screen to obtain a fiber layer;
s2, softening treatment: adding xylanase and a viscose enzyme to the mixture of the fibers and water, and heating the mixture of the fibers and water to soften the fibers;
s3, fishing and cleaning: fishing out the softened fiber, adding the fiber into clear water for rinsing, and fishing out by using a filter screen to obtain a softened fiber layer;
s4, water-jet dewatering: selecting the fished fiber layer and the softened fiber layer, respectively spraying high-pressure water flow through the micropores, carrying out water stabbing for multiple times to obtain a non-woven fabric outer layer and a degradable layer, and squeezing and dewatering the formed non-woven fabric outer layer and the degradable layer after the water stabbing is finished;
s5, gluing and adhering: coating the surface of the outer layer of the non-woven fabric with water-based adhesive sticker for multiple times, placing the polypropylene fiber net on the surface of the outer layer of the non-woven fabric after the water-based adhesive sticker is coated, and then placing the degradable layer on the surface of the outer layer of the non-woven fabric for laminating and bonding;
s6, drying the paint: and (3) coating waterproof paint on the outer layer part of the non-woven fabric on the surface of the non-woven fabric which is pressed and bonded, and then curling and storing the non-woven fabric after drying the non-woven fabric.
5. The method for preparing the tough environment-friendly non-woven fabric according to claim 4, wherein in the step S1, cotton fibers, wood fibers and bamboo fibers are selected, the weight ratio of the cotton fibers to the wood fibers to the bamboo fibers is 5:3:2, the cotton fibers, the wood fibers and the bamboo fibers are crushed and dispersed respectively by a crusher, mixed and pulped, the mixture is added into water to form a mixture, and a filter screen is used for fishing out 50% of the mixture to obtain a fiber layer.
6. The method for preparing a tough environment-friendly nonwoven fabric according to claim 4, wherein in step S2, xylanase and a viscose enzyme are added to the remaining mixture of the fiber and water, the xylanase and the viscose enzyme are added in an amount of 1.1-1.8% and 0.45-0.75% of the total weight of the added fiber, and the mixture of the fiber and the water is heated, the heating temperature is kept at 35-55 ℃, and the heating time is 10-17 min.
7. The method for preparing the tough environment-friendly non-woven fabric according to claim 4, wherein in the step S3, the softened fiber is fished out, the fiber is added into clear water for rinsing, the rinsing frequency is 2-4 times, the rinsing time is 50-70S each time, and a filter screen is used for fishing out to obtain the softened fiber layer.
8. The method according to claim 4, wherein in step S4, the fiber layer and the softened fiber layer are picked and sprayed through the pores by high pressure water flow for 7-9 times of water needling, the water flow pressure of the fiber layer is maintained at 9-12KPa and the pore diameter of the pores is 0.15-0.25mm, the water flow pressure of the softened fiber layer is maintained at 6-8KPa and the pore diameter of the pores is 0.1-0.2mm, and the outer layer and the degradable layer of the non-woven fabric are obtained, and after the water needling, the outer layer and the degradable layer of the non-woven fabric are pressed and dehydrated by a press roll.
9. The preparation method of the tough environment-friendly non-woven fabric according to claim 4, wherein in the step S5, the outer layer surface of the non-woven fabric is coated with the water-based adhesive sticker for 3-6 times, the thickness of the water-based adhesive sticker is 1.5-2.5mm, and after the water-based adhesive sticker is coated, the polypropylene fiber net is placed on the outer layer surface of the non-woven fabric, and then the degradable layer is placed on the outer layer surface of the non-woven fabric for laminating and bonding.
10. The method for preparing a tough environment-friendly non-woven fabric according to claim 4, wherein in the step S6, the waterproof coating is coated on the outer layer part of the non-woven fabric on the surface of the pressed and bonded non-woven fabric for 3-7 times, then the non-woven fabric is dried, the drying temperature of the non-woven fabric is kept at 20-35 ℃, the drying time is 20-30min, and then the non-woven fabric is curled and stored.
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