CN111716870A - Film laminating process of spunlace non-woven fabric - Google Patents

Film laminating process of spunlace non-woven fabric Download PDF

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Publication number
CN111716870A
CN111716870A CN202010370571.XA CN202010370571A CN111716870A CN 111716870 A CN111716870 A CN 111716870A CN 202010370571 A CN202010370571 A CN 202010370571A CN 111716870 A CN111716870 A CN 111716870A
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China
Prior art keywords
film
woven fabric
spunlace
laminating
fabric
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Pending
Application number
CN202010370571.XA
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Chinese (zh)
Inventor
孟庆成
曹松亭
杨如新
卞勇
闵志斌
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Anhui Golden Spring Non Woven Fabrics Co ltd
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Anhui Golden Spring Non Woven Fabrics Co ltd
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Priority to CN202010370571.XA priority Critical patent/CN111716870A/en
Publication of CN111716870A publication Critical patent/CN111716870A/en
Pending legal-status Critical Current

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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
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24—Calendering
    • 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
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • 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
    • B32B2307/552—Fatigue strength
    • 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
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2309/02—Copolymers with acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08J2409/02—Copolymers with acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2421/00—Characterised by the use of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a laminating process of spunlace non-woven fabric, which comprises the following steps: preparing raw materials: processing spunlace non-woven fabrics and preparing a film, wherein an anti-aging agent is added when the film is manufactured; preparation before film coating: conveying the film by a conveying table, coating adhesive on the film, and heating the non-woven fabric by hot air; pressurizing and laminating: bonding the film on the spunlace non-woven fabric through a compression roller, and cutting the crevasse; and (3) cooling and collecting: cooling the spunlace non-woven fabric coated with the film by a cooling roller, and then rolling; the invention adopts the method that the non-woven fabrics and the film are heated by hot air and pressed by a roller, the anti-aging agent is added during the production of the film to reduce the cost of the laminating non-woven fabrics, the production and the processing are not limited by the gram weight and the thickness, and the finished product with good peritoneum is soft, is a first-class product used in an operating room in the medical industry, has better using effect in disease control and epidemic prevention, solves the problem of production continuity, can not only stably produce and improve the yield, but also improve the product quality.

Description

Film laminating process of spunlace non-woven fabric
Technical Field
The invention relates to the technical field of non-woven fabric processing, in particular to a film laminating process of spunlace non-woven fabric.
Background
Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. The non-woven fabric has no warp and weft, is very convenient to cut and sew, is light in weight and easy to shape, and is popular with hand fans.
Patent No. cn201810088995.x discloses a novel non-woven fabric post-treatment coating process, which comprises the following steps: the oil solution is prepared into the water solution, the water solution of the oil solution is foamed by a foam generator, bubbles are conveyed to a foam applying machine through a pipeline, the foam applying machine stretches across a non-woven fabric, a foam applying opening of a knife-shaped structure of the foam applying machine is in contact with the surface of the non-woven fabric, the bubbles are uniformly coated on the surface of the non-woven fabric through the knife-shaped foam applying machine, the non-woven fabric is dried and wound, an anti-aging agent is required to be added after plastics are melted in a membrane spraying mode during processing, so that the cost is high, the anti-aging agent is rarely added to a common membrane spraying non-woven fabric, the phenomenon of accelerated aging speed can occur under sunlight irradiation, and the defect of slow production speed is also existed in actual production, and therefore, a spunlace laminating process of the non-woven fabric needs to be designed urge.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, an anti-aging agent needs to be added after plastics are melted in a laminating mode during processing, so that the cost is high, and the aging speed is accelerated under the irradiation of sunlight due to the fact that an anti-aging agent is rarely added to a common laminating non-woven fabric.
In order to achieve the purpose, the invention adopts the following technical scheme:
a laminating process of spunlace nonwoven fabric comprises the following steps:
s1, preparation of raw materials: processing spunlace non-woven fabrics and preparing a film, wherein an anti-aging agent is added when the film is manufactured;
s2, preparation before film coating: conveying the film by a conveying table, coating adhesive on the film, and heating the non-woven fabric by hot air;
s3, pressure coating: bonding the film on the spunlace non-woven fabric through a compression roller, and cutting the crevasse;
s4, cooling and collecting: and cooling the spunlace non-woven fabric coated with the film by a cooling roller, and then rolling.
Further, the processing steps of the reclaimed water-punched non-woven fabric of S1 are as follows: carrying out spunlace; cold bleaching; washing with water; and (5) drying.
Further, the processing steps of the spunlace nonwoven fabric are as follows: firstly, lapping, namely, lapping the cleaned and carded raw cotton fibers into a cotton net, carrying out spunlace on the cotton net to form a non-woven fabric, carrying out mangling on the non-woven fabric subjected to spunlace by a padder, and immersing the non-woven fabric into a bleaching assistant after rolling and then carrying out cold stacking treatment; washing the cold-bleached non-woven fabric with water to remove the residual bleaching assistant; and finally drying.
Further, the pressurization tectorial membrane of S3 and the cooling of S4 are collected and are all covered through pressing the device, press the device to cover including the design press cover the support and arrange in the design press cover the design roller on the support, press cover roller, cooling rubber roll.
Further, the preparation steps of the film in S1 are as follows: melting and compounding rubber, wollastonite powder and mica powder at the temperature of 300-400 ℃ to obtain a primary compound; adding an anti-aging agent into the obtained primary compound at the temperature of 200-250 ℃, and carrying out melt compounding to obtain a secondary compound; and adding the nitrile-butadiene rubber and the anti-aging agent into the obtained secondary compound at the temperature of 200-250 ℃, uniformly stirring, and then treating to obtain the anti-aging plastic film.
Further, the second-level compound is prepared by mixing and stirring the nitrile rubber and the anti-aging agent at the temperature of 200-250 ℃ for 3-4 hours, and then pressing the mixture to a film with the required thickness through a roller machine to obtain the anti-aging plastic film.
Further, the cold-stacking process in the processing step of the non-woven fabric needs the non-woven fabric to be cold-stacked for 2-12 hours at room temperature.
Further, in the step of S2, the nonwoven fabric is heated by hot air at a heating temperature of 120 ℃ or lower and then bonded to the film.
The invention has the beneficial effects that:
1. the invention adopts the method that the non-woven fabrics and the film are heated by hot air and pressed by a roller, the anti-aging agent is added during the production of the film to reduce the cost of the laminating non-woven fabrics, the production and the processing are not limited by the gram weight and the thickness, and the finished product with good peritoneum is soft, is a first-class product used in an operating room in the medical industry, has better using effect in disease control and epidemic prevention, solves the problem of production continuity, can stabilize the production, improve the yield and improve the product quality.
2. The surface of the spunlace non-woven fabric is smoother and brighter after being coated with the film, the glossiness and the compactness of the spunlace non-woven fabric are improved, the service life of the spunlace non-woven fabric is prolonged, and the film has the protection effects of moisture resistance, water resistance, soil resistance, wear resistance, folding resistance, chemical corrosion resistance and the like.
Drawings
Fig. 1 is a schematic structural diagram of a laminating process of a spunlace nonwoven fabric according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, a process for laminating a spunlace nonwoven fabric includes the following steps:
s1, preparation of raw materials: processing spunlace non-woven fabrics and preparing a film, wherein an anti-aging agent is added when the film is manufactured;
s2, preparation before film coating: conveying the film by a conveying table, coating adhesive on the film, and heating the non-woven fabric by hot air;
s3, pressure coating: bonding the film on the spunlace non-woven fabric through a compression roller, and cutting the crevasse;
s4, cooling and collecting: and cooling the spunlace non-woven fabric coated with the film by a cooling roller, and then rolling.
Further, the processing steps of the reclaimed water-punched non-woven fabric of S1 are as follows: carrying out spunlace; cold bleaching; washing with water; and (5) drying.
Further, the processing steps of the spunlace nonwoven fabric are as follows: firstly, lapping, namely, lapping the cleaned and carded raw cotton fibers into a cotton net, carrying out spunlace on the cotton net to form a non-woven fabric, carrying out mangling on the non-woven fabric subjected to spunlace by a padder, and immersing the non-woven fabric into a bleaching assistant after rolling and then carrying out cold stacking treatment; washing the cold-bleached non-woven fabric with water to remove the residual bleaching assistant; and finally drying.
Further, the pressurization tectorial membrane of S3 and the cooling of S4 are collected and are all covered through pressing the device, press the device to cover including the design press cover the support and arrange in the design press cover the design roller on the support, press cover roller, cooling rubber roll.
Further, the preparation steps of the film in S1 are as follows: melting and compounding rubber, wollastonite powder and mica powder at the temperature of 300 ℃ to obtain a primary compound; adding an anti-aging agent into the obtained primary compound at the temperature of 200 ℃, and carrying out melt compounding to obtain a secondary compound; and adding the nitrile-butadiene rubber and the anti-aging agent into the obtained secondary compound at the temperature of 200 ℃, uniformly stirring, and then treating to obtain the anti-aging plastic film.
Further, the second-level compound is prepared by mixing and stirring the nitrile rubber and the anti-aging agent at the temperature of 200 ℃ for 3 hours, and then pressing the mixture to a film with the required thickness through a roller machine to obtain the anti-aging plastic film.
Further, the cold-stacking process in the processing step of the non-woven fabric needs the non-woven fabric to be cold-stacked for 10 hours at room temperature.
Further, in the step of S2, the nonwoven fabric is heated by hot air at a heating temperature of 100 ℃, and then bonded to the film.
Example 2
Referring to fig. 1, a process for laminating a spunlace nonwoven fabric includes the following steps:
s1, preparation of raw materials: processing spunlace non-woven fabrics and preparing a film, wherein an anti-aging agent is added when the film is manufactured;
s2, preparation before film coating: conveying the film by a conveying table, coating adhesive on the film, and heating the non-woven fabric by hot air;
s3, pressure coating: bonding the film on the spunlace non-woven fabric through a compression roller, and cutting the crevasse;
s4, cooling and collecting: and cooling the spunlace non-woven fabric coated with the film by a cooling roller, and then rolling.
Further, the processing steps of the reclaimed water-punched non-woven fabric of S1 are as follows: carrying out spunlace; cold bleaching; washing with water; and (5) drying.
Further, the processing steps of the spunlace nonwoven fabric are as follows: firstly, lapping, namely, lapping the cleaned and carded raw cotton fibers into a cotton net, carrying out spunlace on the cotton net to form a non-woven fabric, carrying out mangling on the non-woven fabric subjected to spunlace by a padder, and immersing the non-woven fabric into a bleaching assistant after rolling and then carrying out cold stacking treatment; washing the cold-bleached non-woven fabric with water to remove the residual bleaching assistant; and finally drying.
Further, the pressurization tectorial membrane of S3 and the cooling of S4 are collected and are all covered through pressing the device, press the device to cover including the design press cover the support and arrange in the design press cover the design roller on the support, press cover roller, cooling rubber roll.
Further, the preparation steps of the film in S1 are as follows: melting and compounding rubber, wollastonite powder and mica powder at the temperature of 400 ℃ to obtain a primary compound; adding an anti-aging agent into the obtained primary compound at the temperature of 250 ℃, and carrying out melt compounding to obtain a secondary compound; and adding the nitrile-butadiene rubber and the anti-aging agent into the obtained secondary compound at the temperature of 250 ℃, uniformly stirring, and then treating to obtain the anti-aging plastic film.
And further, mixing and stirring the nitrile rubber and the anti-aging agent for 4 hours at the temperature of 250 ℃ by using the secondary compound, and pressing the mixture to a film with the required thickness by using a roller machine to obtain the anti-aging plastic film.
Further, the cold-stacking process in the processing step of the non-woven fabric needs the non-woven fabric to be cold-stacked for 10 hours at room temperature.
In the step S2, the nonwoven fabric is heated by hot air at a heating temperature of 120 ℃ and then bonded to the film.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. A laminating process of spunlace nonwoven fabric is characterized by comprising the following steps:
s1, preparation of raw materials: processing spunlace non-woven fabrics and preparing a film, wherein an anti-aging agent is added when the film is manufactured;
s2, preparation before film coating: conveying the film by a conveying table, coating adhesive on the film, and heating the non-woven fabric by hot air;
s3, pressure coating: bonding the film on the spunlace non-woven fabric through a compression roller, and cutting the crevasse;
s4, cooling and collecting: and cooling the spunlace non-woven fabric coated with the film by a cooling roller, and then rolling.
2. A process for laminating a spunlace nonwoven fabric according to claim 1, wherein the processing steps of the hydroentangled nonwoven fabric of S1 are as follows: carrying out spunlace; cold bleaching; washing with water; and (5) drying.
3. The laminating process of the spunlace nonwoven fabric according to claim 2, wherein the processing steps of the spunlace nonwoven fabric are specifically as follows: firstly, lapping, namely, lapping the cleaned and carded raw cotton fibers into a cotton net, carrying out spunlace on the cotton net to form a non-woven fabric, carrying out mangling on the non-woven fabric subjected to spunlace by a padder, and immersing the non-woven fabric into a bleaching assistant after rolling and then carrying out cold stacking treatment; washing the cold-bleached non-woven fabric with water to remove the residual bleaching assistant; and finally drying.
4. A spunlace nonwoven fabric laminating process according to claim 1, wherein the S3 pressure laminating and the S4 cooling and collecting are both pressed and laminated by a pressing and laminating device, and the pressing and laminating device comprises a shaping pressing and laminating bracket, and a shaping roller, a pressing roller and a cooling rubber roller which are arranged on the shaping pressing and laminating bracket.
5. A spunlace nonwoven fabric laminating process according to claim 1, wherein the preparation step of the film in S1 is as follows: melting and compounding rubber, wollastonite powder and mica powder at the temperature of 300-400 ℃ to obtain a primary compound; adding an anti-aging agent into the obtained primary compound at the temperature of 200-250 ℃, and carrying out melt compounding to obtain a secondary compound; and adding the nitrile-butadiene rubber and the anti-aging agent into the obtained secondary compound at the temperature of 200-250 ℃, uniformly stirring, and then treating to obtain the anti-aging plastic film.
6. A spunlace nonwoven fabric laminating process according to claim 5, wherein the secondary compound is prepared by mixing and stirring nitrile-butadiene rubber and an anti-aging agent at a temperature of 200-250 ℃ for 3-4 hours, and then pressing the mixture to a film with a required thickness through a roller machine to obtain an anti-aging plastic film.
7. A hydroentangled fabric membrane-covering process according to claim 3, characterized in that the cold-stacking process in the process steps of the fabric requires the fabric to be cold-stacked at room temperature for 2-12 hours.
8. A hydroentangled fabric film-coating process according to claim 1, characterized in that in step S2 the fabric is heated with hot air at a temperature not higher than 120 ℃ and then bonded to the film.
CN202010370571.XA 2020-05-06 2020-05-06 Film laminating process of spunlace non-woven fabric Pending CN111716870A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
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CN102975437A (en) * 2011-09-06 2013-03-20 沈阳防锈包装材料有限责任公司 Compound antirust packaging material and manufacturing method thereof
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