CN111893773A - Soft friction non-woven fabric and preparation process thereof - Google Patents

Soft friction non-woven fabric and preparation process thereof Download PDF

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Publication number
CN111893773A
CN111893773A CN202010889848.XA CN202010889848A CN111893773A CN 111893773 A CN111893773 A CN 111893773A CN 202010889848 A CN202010889848 A CN 202010889848A CN 111893773 A CN111893773 A CN 111893773A
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layer
degradable
friction
fiber
woven fabric
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谷源明
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Dalian Ruiyuan Nonwovens Co ltd
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Dalian Ruiyuan Nonwovens Co ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
    • 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
    • D04H1/4374—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 using different kinds of webs, e.g. by layering webs
    • 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
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • 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
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D06N3/0036—Polyester fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
    • D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/121—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyesters, polycarbonates, alkyds
    • D06N3/123—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyesters, polycarbonates, alkyds with polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/10—Properties of the materials having mechanical properties
    • D06N2209/108—Slipping, anti-blocking, low friction
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/16—Properties of the materials having other properties
    • D06N2209/1607—Degradability
    • D06N2209/1614—Biodegradable

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention belongs to the field of non-woven fabrics, and discloses a soft friction non-woven fabric and a preparation process thereof. The soft friction non-woven fabric is a non-woven fabric with a three-layer structure formed by sequentially laying a liquid absorption fiber mesh layer, a reinforcing degradable fiber layer and a friction degradable particle layer from top to bottom; the main components of the soft friction non-woven fabric prepared by the preparation process provided by the invention are degradable materials, and the soft friction non-woven fabric can be biodegraded and has the characteristic of environmental protection after being discarded in the environment after being used.

Description

Soft friction non-woven fabric and preparation process thereof
Technical Field
The invention belongs to the field of non-woven fabrics, and relates to a soft friction non-woven fabric and a preparation process thereof.
Background
Under the large situation of irregular outbreak of global infectious diseases, the requirements of people on the sanitary conditions of living environments are higher and higher, which is reflected in the fact that the consumption of sanitary consumables is increased suddenly and the demand of cleaning and sterilizing products is short at first. Most of the sanitary consumables contain non-degradable plastic components, which can cause environmental pollution after use, thus aggravating unsafe factors of living environment, and the degradable sanitary consumables can become hot-market products in new situations.
The friction wiping cloth technology common in the market at present mainly comprises four types, one is natural plants, including loofah sponge, straw ear and the like, the production cycle of the natural plants is long, the resources are few, and the requirements of the majority of users cannot be met; secondly, the steel wire mesh and the plastic brush have higher rigidity, are easy to scratch the surface of an object and scratch the skin when in use; the woven wiping cloth is mainly formed by weaving coarse denier polyester cotton mixed yarns, the concave-convex surface of the product is utilized to generate a friction effect, but the pores are large, dirt is easy to remain, and bacteria are easy to breed; and the base cloth and the friction layer are fixed together by hot melt or adhesive, cannot be directly obtained by a one-step method, and are not degradable, so that the environment pollution is caused after the materials are discarded.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a soft friction non-woven fabric and a preparation process thereof. The main components of the soft friction non-woven fabric prepared by the preparation process provided by the invention are degradable materials, and the soft friction non-woven fabric can be biodegraded and has the characteristic of environmental protection after being discarded in the environment after being used.
The above purpose of the invention is realized by the following technical scheme:
a soft friction non-woven fabric comprises a liquid absorption fiber mesh layer, a reinforcing degradable fiber layer and a friction degradable particle layer, wherein the topmost layer is the liquid absorption fiber mesh layer, the middle layer is the reinforcing degradable fiber layer, and the bottom layer is the friction degradable particle layer; the soft friction non-woven fabric is a non-woven fabric with a three-layer structure formed by sequentially laying a liquid absorption fiber net layer, a reinforcing degradable fiber layer and a friction degradable particle layer from top to bottom;
the liquid absorption fiber net layer is made of any one or a combination of cellulose fibers such as viscose, lyocell, cotton fiber and hemp fiber;
the reinforced degradable fiber layer is made of polylactic acid;
the material of the friction degradable granular layer is any one of degradable materials such as polylactic acid, polyvinyl alcohol, polyhydroxyalkanoate and the like.
The gram weight of the soft friction non-woven fabric is 45-85 g/m2；
The gram weight of the liquid absorption fiber net layer is 45-75% of the total gram weight of the soft friction non-woven fabric.
The gram weight of the reinforced degradable fiber layer is 15-45% of the total gram weight of the soft friction non-woven fabric.
The gram weight of the friction degradable particle layer is 15-45% of the total gram weight of the soft friction non-woven fabric.
The preparation process of the soft friction non-woven fabric comprises the following specific preparation steps:
s1, preparing a liquid absorption fiber net layer: namely, preparing a liquid absorption cellulose fiber net, wherein the fineness range of the liquid absorption cellulose fiber is 0.5-3 dtex, and the liquid absorption cellulose fiber is made into a soft liquid absorption fiber net layer by a high-speed mechanical carding net-forming machine, and the operating parameters are as follows: the speed of a cylinder roller is 850-1050 r/min, the speed of a disorder roller is 1020-1440 r/min, the speed of a doffer roller is 30-65 r/min, the linear speed of an output curtain is 180-320 m/min, the thickness of a fiber web of a liquid absorption fiber web layer is 8-15 mm, and the ratio of MD to CD strength of the fiber web of the liquid absorption fiber web layer is less than 2.5: 1;
s2, preparing a reinforced degradable fiber layer; the reinforced degradable fiber layer is made of polylactic acid, and is prepared by melt spinning of polylactic acid master batches, wherein the drying temperature of the polylactic acid master batches is 85-105 ℃, the drying time is 0.5-1.5 h, the screw temperature is 260-280 ℃, the air temperature is 280-300 ℃, and the speed of a collecting screen is 180-320 m/min.
S3, compounding; and (3) compounding the liquid absorption fiber net layer prepared in the step (S1) and the reinforced degradable fiber layer prepared in the step (S2) together through a high-pressure spunlace process, wherein the parameters of the high-pressure spunlace process are as follows: the pressure range of the high-pressure pump is 45-95 bar, the vertical distance between the jet flow plate and the liquid absorption fiber net layer is 15-55 mm, the hole pitch of the jet flow plate is 0.3-1.4 mm, and the hole diameter of the jet flow plate is 0.08-0.15 mm, and the base cloth is obtained after compounding; one side of the base cloth is a liquid absorption fiber net layer, and the other side is a reinforced degradable fiber layer; the net surface of the liquid absorption fiber net layer of the formed base cloth has soft performance;
s4, preparing a friction degradable granular layer; coating any one of degradable materials such as polylactic acid, polyvinyl alcohol and polyhydroxyalkanoate with low melting point, good oil absorption and degradability on the reinforcing degradable fiber mesh layer mesh surface of the base cloth, and preparing a required friction granular layer with patterns by using a high-temperature engraved roller, wherein the melting point of the degradable material is 95-250 ℃, and the preparation process parameters of the high-temperature engraved roller are as follows: the diameter of the hollow-out roller is 350-550 mm, the temperature of the hollow-out roller is 130-260 ℃, and the oil absorption rate of the prepared soft friction non-woven fabric is more than 500%.
The surface of the prepared soft friction non-woven fabric liquid absorption fiber net layer is soft, and the surface of the friction degradable particle layer is provided with diamond oil absorption convex points.
Compared with the prior art, the invention has the beneficial effects that:
the friction type wiping non-woven fabrics sold in the market at present are all non-degradable materials, and have the problems that the friction effect is too strong, the surface of an object and the skin are easily injured when the friction type wiping non-woven fabrics are used, or the friction effect is obviously weakened after the friction type wiping non-woven fabrics are wetted, or even the friction effect is not achieved, so that stubborn stains are difficult to remove. The soft friction non-woven fabric provided by the invention has the advantages that the soft skin-friendly surface can not scratch the surface of an object in a dry state, the soft friction non-woven fabric can rub with a smooth PE film for 30 times, the surface of the PE film has no obvious scratch, a common product rubs with a similar PE film for 5 times, and the surface of the PE film can generate serious scratch, the soft friction non-woven fabric still has a rubbing effect in a wet state, the filament non-woven fabric has obvious fluffing after the surface is rubbed with the filament non-woven fabric for 10 times, and the filament non-woven fabric does not fluff after the common product is wetted and rubs with the filament non-woven fabric. The liquid-absorbing fiber net layer, the reinforcing degradable fiber layer and the friction degradable particle layer of the soft friction non-woven fabric are all degradable materials, and the soft friction non-woven fabric can be biodegraded when being discarded in the environment after being used and has the characteristic of environmental protection.
Drawings
FIG. 1 is a schematic view of a soft abrasive nonwoven fabric structure according to the present invention.
In the figure, 1, a liquid absorption fiber net layer, 2, a reinforcing degradable fiber layer and 3, a friction degradable particle layer.
Detailed Description
The invention is described in more detail below with reference to specific examples, without limiting the scope of the invention. Unless otherwise specified, the experimental methods adopted by the invention are all conventional methods, and experimental equipment, materials, reagents and the like used in the experimental method can be obtained from commercial sources.
Examples
A soft friction nonwoven fabric; the composite material comprises a liquid absorption fiber net layer 1, a reinforcing degradable fiber layer 2 and a friction degradable granular layer 3, wherein the liquid absorption fiber net layer 1 is arranged at the topmost layer, the reinforcing degradable fiber layer 2 is arranged at the middle layer, and the friction degradable granular layer 3 is arranged at the bottom layer; the soft friction non-woven fabric is a non-woven fabric with a three-layer structure, which is formed by sequentially laying a liquid absorption fiber net layer 1, a reinforcing degradable fiber layer 2 and a friction degradable granular layer 3 from top to bottom;
the liquid absorption fiber net layer 1 is made of viscose fibers.
The material of the reinforced degradable fiber layer 2 is polylactic acid.
The material of the friction degradable particle layer 3 is polyhydroxyalkanoate.
The gram weight of the soft friction non-woven fabric is 55g/m2；
The preparation process of the soft friction non-woven fabric comprises the following specific preparation steps:
firstly, viscose fiber with the fineness of 1.1dtex is made into a soft liquid-absorbing fiber net layer 1 by a high-speed mechanical carding net-forming machine, and the weight of the liquid-absorbing fiber net layer 1 is 25g/m2The operating parameters of the liquid-absorbent web layer 1 during the manufacturing process are: the speed of a cylinder roller is 850r/min, the speed of a disordered roller is 1020r/min, the speed of a doffer roller is 65r/min, the linear speed of an output curtain is 180m/min, the thickness of the fiber web of the liquid-absorbing fiber web layer 1 is 8mm, and the ratio of MD to CD strength of the fiber web of the liquid-absorbing fiber web layer 1 is 2.5: 1; then melt spinning the polylactic acid master batch into 15g/m2The reinforcing degradable fibrous layer 2, the polylactic acid reinforcing degradable fibrous layer 2 operating parameters in the preparation process are: drying the polylactic acid master batch at 105 ℃ for 0.5h, at the screw temperature of 260 ℃ and the air temperature of 280 ℃, and collecting the net curtain at the speed of 180 m/min; the prepared liquid absorption fiber net layer 1 and the reinforced degradable fiber layer 2 are compounded together through spunlace entanglement, and the operation parameters in the compounding process are as follows: the pressure range of the high-pressure pump is 45-95 bar, and the jet flow plate and the liquid absorption fiber net layer1, the vertical distance is 15mm, the jet plate hole distance is 0.638mm, the jet plate aperture is 0.1mm, and the base cloth is obtained after compounding; one side of the base cloth is a liquid absorption fiber net layer 1, and the other side is a reinforced degradable fiber layer 2; the surface of the liquid absorption fiber net layer 1 forms a soft hand feeling surface after the compounding; coating 15g/m on the surface of the reinforced degradable fiber layer 22Finally, the polyhydroxyalkanoate is melted into a concave-convex structure at 260 ℃, and the obtained friction degradable granular layer 3 has friction hand feeling and oil absorption performance surface.
The oil absorption rate of the prepared soft friction non-woven fabric is 550%, the liquid absorption rate is 608%, after the friction surface of the dry-state or wet-state soft friction non-woven fabric, which is rubbed with the degradable granular layer 3, is rubbed with the filament non-woven fabric for 10 times, the surface of the filament non-woven fabric is obviously fluffed, the friction surface of the dry-state or wet-state soft friction non-woven fabric, which is rubbed with the degradable granular layer 3, is rubbed with the smooth PE film surface for 30 times, no obvious scratch is formed on the smooth PE film surface, the soft surface of the dry-state or wet-state soft friction non-woven fabric liquid absorption fiber net layer 1 is rubbed with the smooth PE film surface for.
The embodiments described above are merely preferred embodiments of the invention, rather than all possible embodiments of the invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.

Claims (4)

1. A soft friction non-woven fabric is characterized by comprising a liquid absorption fiber mesh layer (1), a reinforcing degradable fiber layer (2) and a friction degradable particle layer (3), wherein the liquid absorption fiber mesh layer (1) is arranged at the topmost layer, the reinforcing degradable fiber layer (2) is arranged at the middle layer, and the friction degradable particle layer (3) is arranged at the bottom layer; the soft friction non-woven fabric is a non-woven fabric with a three-layer structure, which is formed by sequentially laying a liquid absorption fiber net layer (1), a reinforcing degradable fiber layer (2) and a friction degradable particle layer (3) from top to bottom;
the material of the liquid absorption fiber net layer (1) is any one or combination of viscose, lyocell, cotton and hemp;
the material of the reinforced degradable fiber layer (2) is polylactic acid;
the material of the friction degradable particle layer (3) is any one of polylactic acid, polyvinyl alcohol and polyhydroxyalkanoate.
2. The soft friction nonwoven fabric according to claim 1, wherein the soft friction nonwoven fabric has a grammage of 45 to 85g/m2；
The gram weight of the liquid absorption fiber net layer (1) is 45-75% of the total gram weight of the soft friction non-woven fabric;
the gram weight of the reinforced degradable fiber layer (2) is 15-45% of the total gram weight of the soft friction non-woven fabric;
the gram weight of the friction degradable particle layer (3) is 15-45% of the total gram weight of the soft friction non-woven fabric.
3. The process for preparing a soft friction non-woven fabric according to claim 1, which is characterized by comprising the following steps:
s1, preparing a liquid absorption fiber net layer (1): preparing a liquid absorption cellulose fiber net, wherein the fineness range of the liquid absorption cellulose fiber is 0.5-3 dtex, and preparing the liquid absorption cellulose fiber into a soft liquid absorption fiber net layer (1) by a high-speed mechanical carding net-forming machine;
s2, preparing a reinforced degradable fiber layer (2); the material of the reinforced degradable fiber layer (2) is prepared by melt spinning, and the specific parameters are as follows: the drying temperature is 85-105 ℃, the drying time is 0.5-1.5 h, the screw temperature is 260-280 ℃, the air temperature is 280-300 ℃, and the speed of the collecting net curtain is 180-320 m/min;
s3, compounding; compounding the liquid absorption fiber net layer (1) prepared in the step S1 and the reinforced degradable fiber layer (2) prepared in the step S2 together through a high-pressure spunlace process to obtain base cloth; one side of the base cloth is a liquid absorption fiber net layer, and the other side is a reinforced degradable fiber layer (2); the net surface of the liquid absorption fiber net layer (1) of the formed base cloth has soft performance;
s4, preparing a friction degradable granular layer (3); coating a layer of degradable material on the reinforcing degradable fiber mesh layer (2) mesh surface of the base cloth, and preparing a required friction granular layer with patterns by using a high-temperature engraved roller, wherein the melting point of the degradable material is 95-250 ℃, and the preparation process parameters of the high-temperature engraved roller are as follows: the diameter of the hollow roller is 350-550 mm, and the temperature of the hollow roller is 130-260 ℃.
4. The process for preparing a soft friction non-woven fabric according to claim 3, wherein the surface of the liquid-absorbing fiber web layer (1) of the soft friction non-woven fabric is soft, and the surface of the friction degradable particle layer (3) is provided with diamond oil-absorbing bumps.
CN202010889848.XA 2020-08-28 2020-08-28 Soft friction non-woven fabric and preparation process thereof Pending CN111893773A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101619520A (en) * 2009-07-20 2010-01-06 大连瑞光非织造布集团有限公司 Degradable composite spunlaced nonwovens and manufacturing method thereof
CN106313747A (en) * 2016-08-26 2017-01-11 大连瑞光非织造布集团有限公司 Fully-degradable compound non-woven for cleaning and manufacturing process thereof
JP2017101341A (en) * 2015-11-30 2017-06-08 ダイワボウホールディングス株式会社 Nonwoven fabric for wet wiping sheet and wet wiping sheet for person
CN110682635A (en) * 2019-08-07 2020-01-14 杭州邦怡日用品科技有限公司 Dual-functional biomass degradable material cleaning towel and preparation method thereof
CN111058303A (en) * 2019-12-12 2020-04-24 杭州诚品实业有限公司 Degradable high-friction non-woven fabric and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101619520A (en) * 2009-07-20 2010-01-06 大连瑞光非织造布集团有限公司 Degradable composite spunlaced nonwovens and manufacturing method thereof
JP2017101341A (en) * 2015-11-30 2017-06-08 ダイワボウホールディングス株式会社 Nonwoven fabric for wet wiping sheet and wet wiping sheet for person
CN106313747A (en) * 2016-08-26 2017-01-11 大连瑞光非织造布集团有限公司 Fully-degradable compound non-woven for cleaning and manufacturing process thereof
CN110682635A (en) * 2019-08-07 2020-01-14 杭州邦怡日用品科技有限公司 Dual-functional biomass degradable material cleaning towel and preparation method thereof
CN111058303A (en) * 2019-12-12 2020-04-24 杭州诚品实业有限公司 Degradable high-friction non-woven fabric and preparation method thereof

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Application publication date: 20201106