CN111321521A - Fluffy and soft skin-friendly medical non-woven fabric and preparation method thereof - Google Patents
Fluffy and soft skin-friendly medical non-woven fabric and preparation method thereof Download PDFInfo
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- CN111321521A CN111321521A CN202010081691.8A CN202010081691A CN111321521A CN 111321521 A CN111321521 A CN 111321521A CN 202010081691 A CN202010081691 A CN 202010081691A CN 111321521 A CN111321521 A CN 111321521A
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- Prior art keywords
- woven fabric
- net
- skin
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Classifications
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- D—TEXTILES; PAPER
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nonwoven Fabrics (AREA)
- Multicomponent Fibers (AREA)
Abstract
The invention discloses a fluffy and soft skin-friendly medical non-woven fabric and a preparation method thereof, wherein PP and PE are used as spinning raw materials, and elastic copolymer is mixed in the raw materials, and the preparation method specifically comprises the following steps: the method is characterized in that a double-component spun-bonded device is adopted for production, a fiber-grade spinnable PP slice and a spinnable PE slice are taken as spinning raw materials, PP is taken as a core layer, PE is taken as a skin layer and is uniformly mixed with an elastic copolymer, the PE layer with a lower melting point is melted in a hot-rolling reinforcement process to generate adhesion, a melt of a spinning box body is used for distributing and forming double-component filaments with a skin-core structure, and the double-component filaments are cooled and drawn to form a net on a receiving device; carrying out a hot rolling process on the generated net, adopting a specially designed hot rolling roller to melt PE on the surface layer of the net, forming bonding points between fibers on the net, and then solidifying the net to form a non-woven fabric; and (3) carrying out solvent after-treatment process on the prepared non-woven fabric, and carrying out single-side coating on the non-woven fabric by adopting an antistatic agent.
Description
Technical Field
The invention relates to the technical field of medical non-woven fabrics, in particular to a fluffy and soft skin-friendly medical non-woven fabric and a preparation method thereof.
Background
The spun-bonded technology is a nonwoven fabric spun-laid technology which develops rapidly in recent years, and is defined as that fibers are directly laid into a web in a polymer spinning forming process by utilizing a chemical fiber spinning principle (at present, melt spinning is mainly used), then the web is reinforced by a mechanical, chemical or thermal method to form a nonwoven fabric, and currently, the common spun-bonded nonwoven fabrics such as polypropylene, polyester, polyamide and the like are adopted.
During the medical operation, the hand washing clothes need to be worn in the operation clothes. However, the hand washing clothes produced by the prior art are not skin-friendly enough, and still have a larger space for improving bulkiness and softness.
Disclosure of Invention
The invention aims to provide a fluffy and soft skin-friendly medical non-woven fabric and a preparation method thereof, so as to solve the problems in the background technology.
In order to realize the purpose, the invention provides the following technical scheme: a fluffy and soft skin-friendly medical non-woven fabric and a preparation method thereof, PP and PE are used as spinning raw materials, and elastic copolymer is mixed in the raw materials, and the preparation method specifically comprises the following steps:
the method comprises the following steps: the method is characterized in that a double-component spun-bonded device is adopted for production, a fiber-grade spinnable PP slice and a spinnable PE slice are taken as spinning raw materials, PP is taken as a core layer, PE is taken as a skin layer and is uniformly mixed with an elastic copolymer, the PE layer with a lower melting point is melted in a hot-rolling reinforcement process to generate adhesion, a melt of a spinning box body is used for distributing and forming double-component filaments with a skin-core structure, and the double-component filaments are cooled and drawn to form a net on a receiving device;
step two: carrying out a hot rolling process on the net generated in the step one, adopting a specially designed hot rolling roller to melt PE on the surface layer of the net, forming bonding points between fibers on the net, and then solidifying the net to form a non-woven fabric;
step three: and D, carrying out a solvent after-treatment process on the non-woven fabric prepared in the step two, and carrying out single-side coating on the non-woven fabric by adopting an antistatic agent.
Preferably, the elastic copolymer is one or more of styrene thermoplastic elastomer, polyurethane thermoplastic elastomer, polyolefin thermoplastic elastomer and polyamide thermoplastic elastomer.
Preferably, the specially designed hot roll comprises an upper roll and a lower roll, the rolling point of the upper roll is 1.0-2.0 mm, and the hot rolling ratio of the upper roll is 6-13%/cm2The upper roller is a steel roller, and the temperature is controlled to be 120-140 ℃; the lower roller is a steel roller, and the temperature is controlled to be 120-140 ℃.
Preferably, the antistatic agent in step three is an external coating type antistatic agent, which is prepared into a solution with the mass fraction of 0.5% -2.0% by using water or ethanol before use, and then the solution is attached to the surface of the non-woven fabric by a coating, spraying or dipping method, and then the solution is dried at room temperature or hot air to form the antistatic coating.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention takes PP and PE as spinning raw materials, mixes elastic copolymer, distributes and forms bicomponent filaments with a sheath-core structure through a melt of a spinning manifold, and forms a net on a receiving device after cooling and drafting. PP is used as a core layer, PE is used as a skin layer, and the elastic copolymer is uniformly mixed, so that the non-woven fabric is softer and more skin-friendly.
2. The invention designs the rolling point and the hot rolling ratio of the hot roller, and utilizes the designed hot roller to carry out hot rolling, reinforcing and shaping on the net, the PE layer with lower melting point can be melted in the hot rolling and reinforcing process to generate adhesion, the rolling point on the reinforced non-woven fabric surface is small, and the distribution distance is larger, so that the spun-bonded non-woven fabric has higher fluffiness and softness. The better filling power makes the appearance of the spun-bonded non-woven fabric more like cotton cloth and more textured. Better softness results in better skin-friendly feel.
3. The fluffy and soft skin-friendly medical non-woven fabric and the preparation method have the advantages that single-side after-finishing is carried out, the obtained non-woven fabric skin-friendly layer is subjected to after-finishing, and the non-woven fabric is not easy to generate static electricity due to the adoption of the antistatic agent.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Example 1
A fluffy and soft skin-friendly medical non-woven fabric and a preparation method thereof, PP and PE are used as spinning raw materials, and elastic copolymer is mixed in the raw materials, and the preparation method specifically comprises the following steps:
the method comprises the following steps: the method is characterized in that a double-component spun-bonded device is adopted for production, a fiber-grade spinnable PP slice and a spinnable PE slice are taken as spinning raw materials, PP is taken as a core layer, PE is taken as a skin layer and is uniformly mixed with an elastic copolymer, the PE layer with a lower melting point is melted in a hot-rolling reinforcement process to generate adhesion, a melt of a spinning box body is used for distributing and forming double-component filaments with a skin-core structure, and the double-component filaments are cooled and drawn to form a net on a receiving device;
step two: carrying out a hot rolling process on the net generated in the step one, adopting a specially designed hot rolling roller to melt PE on the surface layer of the net, forming bonding points between fibers on the net, and then solidifying the net to form a non-woven fabric;
step three: and D, carrying out a solvent after-treatment process on the non-woven fabric prepared in the step two, and carrying out single-side coating on the non-woven fabric by adopting an antistatic agent.
In this embodiment, the elastic copolymer is one or more of a styrene-based thermoplastic elastomer, a polyurethane-based thermoplastic elastomer, a polyolefin-based thermoplastic elastomer, and a polyamide-based thermoplastic elastomer.
In this embodiment, the specially designed hot roll includes an upper roll and a lower roll, a rolling point of the upper roll is 1.0mm, and a hot rolling ratio of the upper roll is 6%/cm2The upper roller is a steel roller with temperatureControlling the temperature at 120 ℃; the lower roll is a steel roll, and the temperature is controlled at 120 ℃.
In this embodiment, the antistatic agent in step three is an external coating type antistatic agent, and before use, the external coating type antistatic agent is prepared into a solution with a mass fraction of 0.5% by using water or ethanol, and then the solution is attached to the surface of the nonwoven fabric by a coating, spraying or dipping method, and then dried by room temperature or hot air to form the antistatic coating.
Example 2
A fluffy and soft skin-friendly medical non-woven fabric and a preparation method thereof, PP and PE are used as spinning raw materials, and elastic copolymer is mixed in the raw materials, and the preparation method specifically comprises the following steps:
the method comprises the following steps: the method is characterized in that a double-component spun-bonded device is adopted for production, a fiber-grade spinnable PP slice and a spinnable PE slice are taken as spinning raw materials, PP is taken as a core layer, PE is taken as a skin layer and is uniformly mixed with an elastic copolymer, the PE layer with a lower melting point is melted in a hot-rolling reinforcement process to generate adhesion, a melt of a spinning box body is used for distributing and forming double-component filaments with a skin-core structure, and the double-component filaments are cooled and drawn to form a net on a receiving device;
step two: carrying out a hot rolling process on the net generated in the step one, adopting a specially designed hot rolling roller to melt PE on the surface layer of the net, forming bonding points between fibers on the net, and then solidifying the net to form a non-woven fabric;
step three: and D, carrying out a solvent after-treatment process on the non-woven fabric prepared in the step two, and carrying out single-side coating on the non-woven fabric by adopting an antistatic agent.
In this embodiment, the elastic copolymer is one or more of a styrene-based thermoplastic elastomer, a polyurethane-based thermoplastic elastomer, a polyolefin-based thermoplastic elastomer, and a polyamide-based thermoplastic elastomer.
In this embodiment, the specially designed hot roll comprises an upper roll and a lower roll, the rolling point of the upper roll is 2.0mm, and the hot rolling ratio of the upper roll is 13%/cm2The upper roller is a steel roller, and the temperature is controlled at 140 ℃; the lower roll is a steel roll, and the temperature is controlled at 140 ℃.
In this embodiment, the antistatic agent in step three is an external coating type antistatic agent, and before use, the external coating type antistatic agent is prepared into a solution with a mass fraction of 2.0% by using water or ethanol, and then the solution is attached to the surface of the nonwoven fabric by a coating, spraying or dipping method, and then dried by room temperature or hot air to form the antistatic coating.
Example 3
A fluffy and soft skin-friendly medical non-woven fabric and a preparation method thereof, PP and PE are used as spinning raw materials, and elastic copolymer is mixed in the raw materials, and the preparation method specifically comprises the following steps:
the method comprises the following steps: the method is characterized in that a double-component spun-bonded device is adopted for production, a fiber-grade spinnable PP slice and a spinnable PE slice are taken as spinning raw materials, PP is taken as a core layer, PE is taken as a skin layer and is uniformly mixed with an elastic copolymer, the PE layer with a lower melting point is melted in a hot-rolling reinforcement process to generate adhesion, a melt of a spinning box body is used for distributing and forming double-component filaments with a skin-core structure, and the double-component filaments are cooled and drawn to form a net on a receiving device;
step two: carrying out a hot rolling process on the net generated in the step one, adopting a specially designed hot rolling roller to melt PE on the surface layer of the net, forming bonding points between fibers on the net, and then solidifying the net to form a non-woven fabric;
step three: and D, carrying out a solvent after-treatment process on the non-woven fabric prepared in the step two, and carrying out single-side coating on the non-woven fabric by adopting an antistatic agent.
In this embodiment, the elastic copolymer is one or more of a styrene-based thermoplastic elastomer, a polyurethane-based thermoplastic elastomer, a polyolefin-based thermoplastic elastomer, and a polyamide-based thermoplastic elastomer.
In this embodiment, the specially designed hot roll comprises an upper roll and a lower roll, the rolling point of the upper roll is 1.5mm, and the hot rolling ratio of the upper roll is 9.5%/cm2The upper roller is a steel roller, and the temperature is controlled at 130 ℃; the lower roll is a steel roll, and the temperature is controlled at 130 ℃.
In this embodiment, the antistatic agent in step three is an external coating type antistatic agent, and before use, the external coating type antistatic agent is prepared into a solution with a mass fraction of 1.25% by using water or ethanol, and then the solution is attached to the surface of the nonwoven fabric by a coating, spraying or dipping method, and then dried by room temperature or hot air to form the antistatic coating.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. A fluffy and soft skin-friendly medical non-woven fabric and a preparation method thereof are characterized in that: PP and PE are used as spinning raw materials, and elastic copolymer is mixed in the raw materials, and the preparation method specifically comprises the following steps:
the method comprises the following steps: the method is characterized in that a double-component spun-bonded device is adopted for production, a fiber-grade spinnable PP slice and a spinnable PE slice are taken as spinning raw materials, PP is taken as a core layer, PE is taken as a skin layer and is uniformly mixed with an elastic copolymer, the PE layer with a lower melting point is melted in a hot-rolling reinforcement process to generate adhesion, a melt of a spinning box body is used for distributing and forming double-component filaments with a skin-core structure, and the double-component filaments are cooled and drawn to form a net on a receiving device;
step two: carrying out a hot rolling process on the net generated in the step one, adopting a specially designed hot rolling roller to melt PE on the surface layer of the net, forming bonding points between fibers on the net, and then solidifying the net to form a non-woven fabric;
step three: and D, carrying out a solvent after-treatment process on the non-woven fabric prepared in the step two, and carrying out single-side coating on the non-woven fabric by adopting an antistatic agent.
2. A lofty, soft, skin-friendly medical nonwoven fabric and method of making as claimed in claim 1, wherein: the elastic copolymer is one or a mixture of a styrene thermoplastic elastomer, a polyurethane thermoplastic elastomer, a polyolefin thermoplastic elastomer and a polyamide thermoplastic elastomer.
3. Such as rightThe fluffy and soft skin-friendly medical non-woven fabric and the preparation method thereof, which are disclosed by claim 1, are characterized in that: the specially designed hot roll comprises an upper roll and a lower roll, the rolling point of the upper roll is 1.0-2.0 mm, and the hot rolling ratio of the upper roll is 6-13%/cm2The upper roller is a steel roller, and the temperature is controlled to be 120-140 ℃; the lower roller is a steel roller, and the temperature is controlled to be 120-140 ℃.
4. A lofty, soft, skin-friendly medical nonwoven fabric and method of making as claimed in claim 1, wherein: the antistatic agent in the third step is an external coating type antistatic agent, and before the antistatic agent is used, the antistatic agent is prepared into a solution with the mass fraction of 0.5-2.0% by using water or ethanol, and then the solution is attached to the surface of the non-woven fabric by a coating, spraying or dipping method, and then the solution is dried by room temperature or hot air to form the antistatic coating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010081691.8A CN111321521A (en) | 2020-02-06 | 2020-02-06 | Fluffy and soft skin-friendly medical non-woven fabric and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010081691.8A CN111321521A (en) | 2020-02-06 | 2020-02-06 | Fluffy and soft skin-friendly medical non-woven fabric and preparation method thereof |
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Cited By (3)
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| CN112095230A (en) * | 2020-08-15 | 2020-12-18 | 福建冠泓工业有限公司 | Super-soft super-fluffy spun-bonded non-woven fabric and preparation method thereof |
| CN115247318A (en) * | 2021-12-22 | 2022-10-28 | 青岛大学 | PP/PE double-component fiber non-woven fabric and preparation method thereof |
| CN116353171A (en) * | 2023-03-22 | 2023-06-30 | 福地(石狮)新材料科技有限公司 | ES fiber for medical and sanitary use and preparation method thereof |
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| CN116353171A (en) * | 2023-03-22 | 2023-06-30 | 福地(石狮)新材料科技有限公司 | ES fiber for medical and sanitary use and preparation method thereof |
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Application publication date: 20200623 |