CN115074918A - Medical film-coated non-woven fabric and production process thereof - Google Patents
Medical film-coated non-woven fabric and production process thereof Download PDFInfo
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- CN115074918A CN115074918A CN202210655191.XA CN202210655191A CN115074918A CN 115074918 A CN115074918 A CN 115074918A CN 202210655191 A CN202210655191 A CN 202210655191A CN 115074918 A CN115074918 A CN 115074918A
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- 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
- D04H13/00—Other non-woven fabrics
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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
- 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
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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
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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
- B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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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
- B32B2250/00—Layers arrangement
- B32B2250/04—4 layers
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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
- 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
- B32B2255/26—Polymeric coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a medical film-coated non-woven fabric and a production process thereof; the method comprises the steps of performing quality inspection on raw materials, performing pretreatment to obtain molten materials, performing first spunbond treatment on the raw materials to obtain a first fiber web, performing first meltblown treatment on the first fiber web to obtain a second fiber web, performing first meltblown treatment on the second fiber web to obtain a third fiber web, performing first meltblown treatment on the third fiber web to obtain a fourth fiber web, forming a drench film on the fourth fiber web to obtain a to-be-treated non-woven fabric, performing hot rolling bonding on the to-be-treated non-woven fabric, performing rolling forming on the surface of the to-be-treated non-woven fabric, drying the to-be-treated non-woven fabric to obtain the medical drench film non-woven fabric, wherein the prepared medical drench film non-woven fabric has the characteristics of no impurity, high strength, good uniformity and wear resistance, and the improvement of the quality of the medical drench film non-woven fabric is realized.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to medical film-coated non-woven fabric and a production process thereof.
Background
At present, in the manufacturing process of disposable medical appliances, non-woven fabrics are used as raw materials for production and manufacturing, and the produced disposable medical appliances have high strength and good flexibility.
For the performance that improves the non-woven fabrics, set up on the non-woven fabrics and drench the membrane, make and drench the membrane non-woven fabrics to reach dampproofing and waterproofing effect, nevertheless in the in-process of preparation, directly set up on carrying out the raw materials after the spunbond treatment and drench the membrane, drench the production quality of membrane non-woven fabrics not good, thereby influence the quality of follow-up product.
Disclosure of Invention
The invention aims to provide a medical film-coated non-woven fabric and a production process thereof, and aims to solve the technical problem that the production quality of the medical film-coated non-woven fabric in the prior art is poor.
In order to achieve the purpose, the production process of the medical film-coated non-woven fabric adopted by the invention comprises the following steps:
performing quality inspection on the raw materials, and performing pretreatment to obtain a molten material;
carrying out first spun-bonding treatment on the raw material to obtain a first fiber web;
carrying out first melt-blowing treatment on the first fiber web to obtain a second fiber web;
carrying out first melt-blowing treatment on the second fiber web to obtain a third fiber web;
carrying out first melt-blowing treatment on the third fiber web to obtain a fourth fiber web;
forming a laminating film on the fourth fiber web to obtain a non-woven fabric to be treated;
carrying out hot rolling bonding on the non-woven fabric to be treated, and carrying out rolling compaction on the surface of the non-woven fabric to be treated;
and drying the non-woven fabric to be treated to obtain the medical membrane-coated non-woven fabric.
Wherein, in the step of carrying out quality inspection on the raw materials and carrying out pretreatment to obtain the molten material, the pretreatment process is as follows:
stirring the raw materials to ensure the uniform quality of the raw materials, extruding and melting the raw materials, and filtering the raw materials to obtain a molten material.
Wherein, in the step of subjecting the raw material to a first spunbond treatment to obtain a first web:
transporting the molten material by using a screw conveyor, and controlling the manufacturing amount of the transported molten material by using a metering pump;
blowing hot air to the molten material and spinning;
blowing cooling air in the spinning process to obtain a first fiber web;
the first web is moved using a mesh belt.
Wherein, in the step of subjecting the first web to a first meltblowing treatment to obtain a second web:
conveying the molten materials by using a screw conveyor, controlling the manufacturing amount of the conveyed molten materials by using a metering pump, and keeping the molten materials conveyed in a molten state;
the molten material is ejected in a molten state using a meltblowing die having nozzle holes and sprayed onto the upper surface of the first web to obtain a second web, and the second web is moved using a mesh belt.
Wherein, in the step of subjecting the second web to a first meltblowing treatment to obtain a third web:
and (3) spraying the molten material in a molten state by using a melt-blowing die head with a nozzle hole, and spraying the molten material to the upper surface of the second web to obtain a third web, and moving the third web by using a mesh belt.
Wherein, in the step of subjecting the third web to a first meltblowing treatment to obtain a fourth web:
and (3) spraying the molten material in a molten state by using a melt-blowing die head with a nozzle hole, and spraying the molten material to the upper surface of the third web to obtain a fourth web, and moving the fourth web by using a mesh belt.
Wherein, a laminating film is formed on the fourth fiber web to obtain the non-woven fabric to be treated:
conveying the molten materials by using a screw conveyor, and controlling the manufacturing amount of the conveyed molten materials by using a metering pump;
blowing hot air to the molten material, and spraying on the upper surface of the fourth fiber web;
and blowing cooling air in the spraying process until a film is formed on the upper surface of the fourth fiber web, so as to obtain the non-woven fabric to be treated.
The invention also provides medical laminating non-woven fabric which is prepared by adopting the production process of the medical laminating non-woven fabric and specifically comprises the following components:
comprises high polymer slices, polypropylene and color master.
The invention relates to a medical film-coated non-woven fabric and a production process thereof, which comprises the steps of firstly carrying out quality inspection on raw materials and pretreatment to obtain molten materials, then carrying out first spunbond treatment on the raw materials to obtain a first fiber web, then carrying out first melt-blowing treatment on the first fiber web to obtain a second fiber web, then carrying out first melt-blowing treatment on the second fiber web to obtain a third fiber web, then carrying out first melt-blowing treatment on the third fiber web to obtain a fourth fiber web, then forming a film on the fourth fiber web to obtain a non-woven fabric to be treated, then carrying out hot rolling bonding on the non-woven fabric to be treated, carrying out rolling and shaping on the surface of the non-woven fabric to be treated, drying the non-woven fabric to be treated, and finally obtaining the medical film-coated non-woven fabric which has the characteristics of no impurity, high strength, good uniformity and wear resistance, the quality of the medical film-coated non-woven fabric is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flow chart of the steps of the production process of the medical laminated non-woven fabric.
Figure 2 is a flow chart of the steps of a first spunbond process of the present invention.
FIG. 3 is a flow chart of the steps of a first melt-blowing process of the present invention.
Fig. 4 is a flow chart of the steps of forming a shower film on a fourth web of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 4, fig. 1 is a flow chart showing steps of a process for producing a medical laminated nonwoven fabric, fig. 2 is a flow chart showing steps of a first spun-bonding process, fig. 3 is a flow chart showing steps of a first melt-blowing process, and fig. 4 is a flow chart showing steps of forming a laminated film on a fourth web. The invention provides a production process of medical film-coated non-woven fabric, which comprises the following steps:
s1: performing quality inspection on the raw materials, screening out the raw materials with abnormal color and odor, keeping the surfaces of the raw materials free of impurities, performing pretreatment, stirring the raw materials to ensure uniform quality of the raw materials, extruding and melting, and filtering to obtain a molten material;
s2: carrying out first spun-bonding treatment on the raw material to obtain a first fiber web;
s3: carrying out first melt-blowing treatment on the first fiber web to obtain a second fiber web;
s4: using a melt-blowing die head with nozzle holes to spray the molten material in a molten state to the upper surface of the second fiber web to obtain a third fiber web, and moving the third fiber web by using a mesh belt;
s5: using a melt-blowing die head with nozzle holes to spray the molten material in a molten state to the upper surface of the third fiber web to obtain a fourth fiber web, and moving the fourth fiber web by using a mesh belt;
s6: forming a laminating film on the fourth fiber web to obtain a non-woven fabric to be treated;
s7: carrying out hot rolling bonding on the non-woven fabric to be treated, controlling the temperature to be 145-180 ℃, and carrying out rolling and shaping on the surface of the non-woven fabric to be treated;
s8: uniformly coating oil on the surface of the non-woven fabric to be treated;
s9: and drying the non-woven fabric to be treated to obtain the medical membrane-coated non-woven fabric.
In the embodiment, the fourth web is obtained by first performing quality inspection on the raw material, screening out the raw material with abnormal color and odor, keeping the surface of the raw material free of impurities, performing pretreatment, stirring the raw material to ensure uniform quality of the raw material, extruding and melting the raw material, filtering the molten material to obtain the molten material, performing first spunbond treatment on the raw material to obtain the first web, performing first meltblown treatment on the first web to obtain the second web, ejecting the molten material in a molten state by using a meltblown die head with nozzle holes, spraying the molten material onto the upper surface of the second web to obtain the third web, moving the third web by using a mesh belt, ejecting the molten material in a molten state by using the meltblown die head with nozzle holes, and spraying the molten material onto the upper surface of the third web, the mesh belt is used for moving the fourth fiber web, the fourth fiber web is provided with a drench film to obtain the to-be-treated non-woven fabric, the to-be-treated non-woven fabric is subjected to hot rolling and bonding, the temperature is controlled to be 145-180 ℃, the surface of the to-be-treated non-woven fabric is rolled and shaped, then the surface of the to-be-treated non-woven fabric is evenly oiled, then the to-be-treated non-woven fabric is dried and finally obtained the medical drench film non-woven fabric, and the medical drench film non-woven fabric is manufactured to have the characteristics of no impurity, high strength, good uniformity and wear resistance, so that the improvement of the quality of the medical drench film non-woven fabric is realized.
Further, in the step of subjecting the raw material to a first spunbond treatment to obtain a first web:
s21: transporting the molten material by using a screw conveyor, and controlling the manufacturing amount of the transported molten material by using a metering pump;
s22: blowing hot air to the molten material and spinning;
s23: blowing cooling air in the spinning process to obtain a first fiber web;
s24: the first web is moved using a mesh belt.
In this embodiment, the molten material is first transported by a screw conveyor, the amount of the transported molten material is controlled by a metering pump, hot air is blown to the molten material, spinning is performed, cooling air is blown during spinning to obtain the first web, and the first web is then moved by a mesh belt.
Further, in the step of subjecting the first web to a first meltblowing process to obtain a second web:
s31: conveying the molten materials by using a screw conveyor, controlling the manufacturing amount of the conveyed molten materials by using a metering pump, and keeping the molten materials conveyed in a molten state;
s32: the molten material is ejected in a molten state using a meltblowing die having nozzle holes and sprayed onto the upper surface of the first web to obtain a second web, and the second web is moved using a mesh belt.
In this embodiment, the molten material is first transported by a screw conveyor, the amount of the molten material transported is controlled by a metering pump, the molten material is kept transported in a molten state, and then the molten material is ejected in a molten state by a meltblowing die having nozzle holes and sprayed onto the upper surface of the first web to obtain the second web, and the second web is moved by a mesh belt.
Further, a laminating film is formed on the fourth fiber web, and the step of obtaining the non-woven fabric to be treated comprises the following steps:
s61: transporting the molten material by using a screw conveyor, and controlling the manufacturing amount of the transported molten material by using a metering pump;
s62: blowing hot air to the molten material, and spraying on the upper surface of the fourth fiber web;
s63: and blowing cooling air in the spraying process until a film is formed on the upper surface of the fourth fiber web, so as to obtain the non-woven fabric to be treated.
In this embodiment, the molten material is first transported by using a screw conveyor, the manufacturing amount of the transported molten material is controlled by using a metering pump, then hot air is blown to the molten material, and spraying is performed on the upper surface of the fourth fiber web, and in the spraying process, cooling air is blown until a film is formed on the upper surface of the fourth fiber web, so that the non-woven fabric to be treated is obtained.
The invention also provides medical laminating non-woven fabric which is prepared by adopting the production process of the medical laminating non-woven fabric and specifically comprises the following components:
comprises high polymer slices, polypropylene and color master.
In the embodiment, firstly, the high polymer slice, the polypropylene and the color master are subjected to quality inspection, the high polymer slice, the polypropylene and the color master with abnormal color and abnormal smell are screened out, the surface of the high polymer slice, the polypropylene and the color master is kept free of impurities, pretreatment is carried out, the high polymer slice and the color master are mixed and stirred for standby, the polypropylene is stirred to ensure that the composition of the high polymer slice and the color master and the polypropylene have uniform quality, the composition of the high polymer slice and the color master and the polypropylene are extruded and melted, the molten material is obtained after filtration, then the molten material of the composition of the high polymer slice and the color master is subjected to first spun-bonding treatment to obtain the first fiber web, then the first fiber web is subjected to first melt-blowing treatment to obtain the second fiber web, and then the molten material is sprayed in a molten state by using a melt-blowing die head with nozzle holes, spraying the molten material to the upper surface of the second fiber web to obtain a third fiber web, moving the third fiber web by using a mesh belt, spraying the molten material in a molten state by using a melt-blowing die head with nozzle holes, spraying the molten material to the upper surface of the third fiber web to obtain a fourth fiber web, moving the fourth fiber web by using the mesh belt, forming a curtain film on the fourth fiber web by using the molten material of polypropylene to obtain the non-woven fabric to be treated, carrying out hot rolling bonding on the non-woven fabric to be treated at the temperature of 145-180 ℃, carrying out rolling forming on the surface of the non-woven fabric to be treated, uniformly coating oil on the surface of the non-woven fabric to be treated, drying the non-woven fabric to be treated, and finally obtaining the medical curtain film non-woven fabric which is prepared and has impurity-free property, The medical film-coated non-woven fabric has the characteristics of high strength, good uniformity and wear resistance, and the quality of the medical film-coated non-woven fabric is improved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A production process of medical laminating non-woven fabric is characterized by comprising the following steps:
performing quality inspection on the raw materials, and performing pretreatment to obtain a molten material;
carrying out first spun-bonding treatment on the raw material to obtain a first fiber web;
carrying out first melt-blowing treatment on the first fiber web to obtain a second fiber web;
carrying out first melt-blowing treatment on the second fiber web to obtain a third fiber web;
carrying out first melt-blowing treatment on the third fiber web to obtain a fourth fiber web;
forming a laminating film on the fourth fiber web to obtain a non-woven fabric to be treated;
carrying out hot rolling bonding on the non-woven fabric to be treated, and carrying out rolling compaction on the surface of the non-woven fabric to be treated;
and drying the non-woven fabric to be treated to obtain the medical membrane-coated non-woven fabric.
2. The production process of the medical laminating non-woven fabric according to claim 1, wherein in the step of performing quality inspection on the raw materials and performing pretreatment to obtain the molten material, the pretreatment process comprises the following steps:
stirring the raw materials to ensure the uniform quality of the raw materials, extruding and melting the raw materials, and filtering the raw materials to obtain a molten material.
3. The production process of the medical laminated non-woven fabric as claimed in claim 1, wherein in the step of carrying out the first spun-bonding treatment on the raw material to obtain the first fiber web:
transporting the molten material by using a screw conveyor, and controlling the manufacturing amount of the transported molten material by using a metering pump;
blowing hot air to the molten material and spinning;
blowing cooling air in the spinning process to obtain a first fiber web;
the first web is moved using a mesh belt.
4. The production process of the medical laminated non-woven fabric as claimed in claim 1, wherein in the step of performing the first melt-blowing treatment on the first fiber web to obtain the second fiber web:
conveying the molten materials by using a screw conveyor, controlling the manufacturing amount of the conveyed molten materials by using a metering pump, and keeping the molten materials conveyed in a molten state;
the molten material is ejected in a molten state using a meltblowing die having nozzle holes and sprayed onto the upper surface of the first web to obtain a second web, and the second web is moved using a mesh belt.
5. The production process of the medical laminated non-woven fabric as claimed in claim 1, wherein in the step of performing the first melt-blowing treatment on the second fiber web to obtain a third fiber web:
and (3) spraying the molten material in a molten state by using a melt-blowing die head with a nozzle hole, and spraying the molten material to the upper surface of the second web to obtain a third web, and moving the third web by using a mesh belt.
6. A process for producing a medical laminated nonwoven fabric as claimed in claim 1, wherein in the step of performing the first melt-blowing treatment on the third web to obtain a fourth web:
and (3) spraying the molten material in a molten state by using a melt-blowing die head with a nozzle hole, and spraying the molten material to the upper surface of the third web to obtain a fourth web, and moving the fourth web by using a mesh belt.
7. The production process of the medical laminated non-woven fabric as claimed in claim 1, wherein in the step of forming the laminated film on the fourth fiber web to obtain the non-woven fabric to be treated:
transporting the molten material by using a screw conveyor, and controlling the manufacturing amount of the transported molten material by using a metering pump;
blowing hot air to the molten material, and spraying on the upper surface of the fourth fiber web;
and blowing cooling air in the spraying process until a film is formed on the upper surface of the fourth fiber web, so as to obtain the non-woven fabric to be treated.
8. A medical drench membrane non-woven fabrics, adopt the production technology of the medical drench membrane non-woven fabrics of any claim 1 to 7 to prepare, characterized by, include the following ingredients specifically,
comprises high polymer slices, polypropylene and color master batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210655191.XA CN115074918A (en) | 2022-06-10 | 2022-06-10 | Medical film-coated non-woven fabric and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210655191.XA CN115074918A (en) | 2022-06-10 | 2022-06-10 | Medical film-coated non-woven fabric and production process thereof |
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| CN115074918A true CN115074918A (en) | 2022-09-20 |
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|---|---|---|---|---|
| DE102007049031A1 (en) * | 2007-10-11 | 2009-04-16 | Fiberweb Corovin Gmbh | polypropylene blend |
| CN102021750A (en) * | 2010-12-23 | 2011-04-20 | 山东俊富非织造材料有限公司 | Spunbonded-metallic composite nonwoven material as well as manufacturing method and device thereof |
| CN110774693A (en) * | 2019-10-21 | 2020-02-11 | 江阴金凤特种纺织品有限公司 | Antibacterial and antimicrobial SMMS composite non-woven fabric |
| CN110965208A (en) * | 2018-09-30 | 2020-04-07 | 俊富非织造材料有限公司 | Preparation method for manufacturing polypropylene non-woven fabric by spinning and melting method and non-woven fabric product |
| CN111733523A (en) * | 2020-06-22 | 2020-10-02 | 山东泰鹏环保材料股份有限公司 | Composite non-woven fabric and application thereof |
-
2022
- 2022-06-10 CN CN202210655191.XA patent/CN115074918A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007049031A1 (en) * | 2007-10-11 | 2009-04-16 | Fiberweb Corovin Gmbh | polypropylene blend |
| CN102021750A (en) * | 2010-12-23 | 2011-04-20 | 山东俊富非织造材料有限公司 | Spunbonded-metallic composite nonwoven material as well as manufacturing method and device thereof |
| CN110965208A (en) * | 2018-09-30 | 2020-04-07 | 俊富非织造材料有限公司 | Preparation method for manufacturing polypropylene non-woven fabric by spinning and melting method and non-woven fabric product |
| CN110774693A (en) * | 2019-10-21 | 2020-02-11 | 江阴金凤特种纺织品有限公司 | Antibacterial and antimicrobial SMMS composite non-woven fabric |
| CN111733523A (en) * | 2020-06-22 | 2020-10-02 | 山东泰鹏环保材料股份有限公司 | Composite non-woven fabric and application thereof |
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