CN112609327A - Antibacterial non-woven fabric for transplantable roof greening and production method thereof - Google Patents
Antibacterial non-woven fabric for transplantable roof greening and production method thereof Download PDFInfo
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- CN112609327A CN112609327A CN202011398327.0A CN202011398327A CN112609327A CN 112609327 A CN112609327 A CN 112609327A CN 202011398327 A CN202011398327 A CN 202011398327A CN 112609327 A CN112609327 A CN 112609327A
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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
- 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
- D04H1/48—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 in combination with at least one other method of consolidation
- D04H1/488—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 in combination with at least one other method of consolidation in combination with bonding agents
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- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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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
- 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
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
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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
- 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
- D04H1/48—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 in combination with at least one other method of consolidation
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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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
- D04H3/011—Polyesters
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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
- 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
- D04H3/10—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 yarns or filaments made mechanically
- D04H3/105—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 yarns or filaments made mechanically by needling
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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
- 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
- D04H3/12—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 filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention belongs to the field of textiles and provides an antibacterial non-woven fabric for transplantable roof greening and a production method thereof. The special process is improved on the basis of the original non-woven fabric production. The fine denier thin terylene non-woven fabric with reasonable equivalent aperture is produced. The non-woven fabric is simple in production process, stable in technical performance and strong in practicability, is matched with a turf cultivation mat planting layer for a transplantable greening system technical structure, effectively improves survival rate and quality of plants, is high in strength, firm, durable and appropriate in price, facilitates construction, storage and transportation, and achieves transplantability.
Description
Technical Field
The invention relates to an antibacterial non-woven fabric for transplantable roof greening and a production method thereof, belonging to the field of textiles.
Background
With the continuous acceleration of urbanization footsteps, low-carbon and environment-friendly cities and ecological restoration are gradually concerned by people, and compared with common land greening, roof greening is a special greening form. Through reasonable roof interface treatment, the ecological regulation effect similar to that of urban green land can be achieved.
In the prior art of roof greening, rigid materials such as gravel, rock and cement occupy most of greening structure layers, and the biggest defect is that building load is increased, the influence of external temperature change is large, greening elements are limited by a supporting building structure, and continuous and rapid development of roof greening engineering is hindered. In addition, in the engineering implementation process, the material carrying and laying engineering amount is large, the period is long, and the transportability cannot be realized. The non-woven fabric applied to the field in the prior art has no antibacterial function, is low in strength and nonuniform, and is easy to damage in the moving construction and transplanting process.
Therefore, a new technical structure layer is sought to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an antibacterial non-woven fabric for transplantable roof greening and a production method thereof, so as to solve the problems of antibacterial effect, building load increase, great influence from external temperature change, large engineering quantity, long period, inconvenience in transplantation and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a process for preparing the antibacterial non-woven cloth used for transplanting roof greening includes such steps as blowing the modified nano-Ag polyester fibres by side air, tubular drafting, uniformly spreading to form fibre web, passing through triangular needle with barb to make reciprocating piercing and winding up and down the fibre web to form a rivet-pin structure between three-dimensional structures of fibre web, passing through cylinder and roller to stabilize size, immersing in biologic adhesive slurry, and shaping.
Further, the linear velocity is 14-18 m/min.
Furthermore, the biological mucilage is prepared into a gelatinized state by adopting corn starch.
Further, the production steps of the nano-silver modified polyester fiber are as follows: the polyester melt is modified and antibacterial by implanting nano silver, is directly connected to a spinning box through a conveying pipeline and is then pressed to a spinning assembly to form polyester filaments.
Further, the nano-silver modified antibacterial polyester fiber is subjected to side-blowing cooling and tubular drafting treatment, and then is sent to an intelligent yarn swinging mechanism, so that the nano-silver modified antibacterial polyester fiber is uniformly dispersed and laid on a web former to form a fiber web, and then the fiber web is conveyed to a needling process.
Further, the size of the raw gray fabric is stabilized by passing the raw gray fabric through a single rotary screen and a hot rolling mill through hot air penetration at the temperature of 150-.
Further, the roller control temperature is 160-.
Further, the raw blank cloth is dipped and hung with biological glue slurry, and then the finished product is obtained after drying and shaping.
Further, the drying temperature is 120-.
Further, the finished product is cut, packaged, inspected, graded and put in storage.
A method for producing antibacterial non-woven cloth used for transplanting roof greening includes such steps as uniformly spreading superfine antibacterial polyester fibre web, needling to obtain raw non-woven cloth with equivalent pore size, sizing by cylinder and roller, and immersing in environment-protecting type pure biocolloid slurry.
The micro-fine denier antibacterial polyester fiber is characterized in that the linear density of the fiber is 1.5-2.2 dtex;
the unit area mass of the ultra-thin product is as follows: not more than 100g per square meter (original grey cloth fiber net not more than 70g per square meter);
the reasonable equivalent aperture O90The range is as follows: 0.5-1.0 mm, characterized in that in application, the lawn grass can smoothly pass through the lawn in the early growth stage and can be locked and not fall off in the middle and later growth stages of the grass;
the environment-friendly pure biological mucilage comprises the following components: the gelatinized state is prepared by adopting the natural corn starch, so that the fertilizer is harmless to the growth of green plants and can be used as a fertilizer in the planting and growing process.
The high tensile elongation: tensile strength (N/cm): more than or equal to 40, elongation at break (%): not less than 25;
the antibacterial non-woven fabric for the transplantable roof greening adopts an international advanced melt direct supply spun-bonded one-step technical route, namely a continuous and non-intermittent process from the input of raw materials to the molding of products. Linear velocity: 14-18 m/min.
S1: the polyester melt is modified and antibacterial by implanting nano silver, is directly connected to a spinning box through a conveying pipeline, and is then pressed to a spinning assembly to spin special antibacterial polyester filaments. The internal structure and the assembly process of the spinning assembly are optimized, improved and recombined.
S2: the polyester nascent fiber is cooled by side blowing and drafted in a tubular mode to increase the orientation degree and the crystallinity degree of the fiber, and the physical and mechanical properties of the fiber are improved and stabilized. Then the fiber is sent to an intelligent fiber swinging mechanism to be uniformly and dispersedly paved on a web former to form a fiber web, and then the fiber web is sent to a needling procedure.
S3: in the needling process of the fiber web, the triangular felting needles with the barb hooks are used for performing reciprocating piercing winding on the upper part and the lower part of the fiber web, and a certain number of rivet pin structures are formed among three-dimensional structures of the fiber web, so that the purpose of consolidating the fiber web into raw grey cloth is achieved.
S4: the size of the raw grey cloth is stabilized by passing the raw grey cloth through a single rotary screen and a hot rolling mill, and penetrating hot air at the temperature of 150-160 ℃ and rolling by a hot roller. The hot air temperature is 150-.
S5: the raw grey cloth is soaked with biological corn starch glue and then dried and shaped to obtain a finished product. The drying temperature is 120-.
S6: and cutting, packaging, inspecting, judging grade and warehousing the finished product.
The invention also provides an antibacterial non-woven fabric for transplantable roof greening, which is prepared by any one of the methods.
The invention has the beneficial effects that:
the invention provides an antibacterial non-woven fabric for transplantable roof greening and a production method thereof, which improve a special process on the basis of the original non-woven fabric production. In the aspect of raw materials, the nano-silver modified antibacterial factor is implanted into the original PET to produce the fine-denier thin terylene non-woven fabric with reasonable equivalent aperture. Unit area mass of the finished product: not more than 100g per square meter (grey cloth not more than 70g per square meter), and tensile strength (N/cm): more than or equal to 40, elongation at break (%): not less than 25; the product provided by the invention has reasonable equivalent aperture O90The range is as follows: 0.5-1.0 mm, can pass through the turf smoothly in the early growth stage, and can be locked and not fall off in the middle and later growth stages of the grass; the gelatinized state is prepared by adopting the natural corn starch, so that the fertilizer is harmless to the growth of green plants and can be used as a fertilizer in the planting and growing process.
The non-woven fabric has stable production process and technical performance and strong practicability, is applied to a turf cultivation mat planting layer for a transplantable greening system technical structure, has effective and lasting antibiosis, reduces building load, relieves the influence of external temperature change, effectively improves the survival rate and the quality of plants, has high strength, is firm and durable, has proper price, is convenient to construct and store and transport, and realizes transplantability.
The non-woven fabric is used for replacing a structural layer of the traditional roof greening and is specially designed as a novel material aiming at the application condition in the field. The non-woven fabric adopted by the prior art has no antibacterial function, is low in strength and nonuniform, and is easy to damage in the moving construction and transplanting process. Aiming at the point, the invention selects the nano-silver ion modified antibacterial fiber. Nano metal silver is added into PET fiber, and the antibacterial effect is realized by utilizing the principle that silver ions inhibit the formation of bacterial cells. Can inhibit bacteria and viruses affecting plant growth for a long time.
The linear density of the fibers of the needle-punched non-woven fabric in the prior art is as follows: the unit gram weight of the fiber net ranges from 3 dtex to 4dtex and is 80 g/square meter or more. In order to optimize the internal space structure of the non-woven fabric and reduce the cost to the maximum, thereby enhancing the market competitiveness of the non-woven fabric. The method is characterized in that a fine denier thin type refined design is carried out, the fiber linear density is reduced by 1.5-2.2 dtex in the spinning process through optimized matching recombination, and the originally designed fiber net is less than or equal to 70 g/square meter. The fiber is uniformly laid, the spatial structure of the needling process is matched to be compact, and the reasonable equivalent aperture O is reserved90The range is as follows: 0.5-1.0 mm, forming a unique spatial three-dimensional structure, and being more beneficial to the growth and the row planting of plants.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments. The invention provides the technical scheme that: the antibacterial non-woven fabric for the transplantable roof greening adopts an international advanced melt direct supply spun-bonded one-step technical route, namely a continuous and non-intermittent process from the input of raw materials to the molding of products. Linear velocity: 14-18 m/min. The production method of the non-woven fabric for the transplantable roof greening comprises the following steps:
s1: the polyester melt is modified and antibacterial by implanting nano silver, is directly connected to a spinning box through a conveying pipeline, and is then pressed to a spinning assembly to spin special antibacterial polyester filaments. The internal structure and the assembly process of the spinning assembly are optimized, improved and recombined.
S2: the polyester nascent fiber is cooled by side blowing and drafted in a tubular mode to increase the orientation degree and the crystallinity degree of the fiber, and the physical and mechanical properties of the fiber are improved and stabilized. Then the fiber is sent to an intelligent fiber swinging mechanism to be uniformly and dispersedly paved on a web former to form a fiber web, and then the fiber web is sent to a needling procedure.
S3: in the needling process of the fiber web, the triangular felting needles with the barb hooks are used for performing reciprocating piercing winding on the upper part and the lower part of the fiber web, and a certain number of rivet pin structures are formed among three-dimensional structures of the fiber web, so that the purpose of consolidating the fiber web into raw grey cloth is achieved.
S4: the size of the raw grey cloth is stabilized by passing the raw grey cloth through a single rotary screen and a hot rolling mill, and penetrating hot air at the temperature of 150-160 ℃ and rolling by a hot roller. The hot air temperature is 150-.
S5: the raw grey cloth is soaked with biological corn starch glue and then dried and shaped to obtain a finished product. The drying temperature is 120-.
S6: and cutting, packaging, inspecting, judging grade and warehousing the finished product.
Example 1: line speed 14m/min, grey cloth: 70g per square meter, and the needling density is as follows: 60 needle/cm2The gel content is 18-20%;
example 2: line speed 16m/min, grey cloth: 60 g/square meter, and the needling density is as follows: 65 needle/cm2The gel content is 18-20%;
example 3: line speed 18m/min, grey cloth: 50g per square meter, and the needling density: 70 needle/cm2The gel content is 18-20%;
according to the product performance parameters (table 1) of the three embodiments, products with different specifications can be selected for different plant varieties.
TABLE 1 Performance parameters of the novel antibacterial polyester filament nonwovens
Table 2 polyester staple fiber nonwoven fabric for prior art applications
As can be seen from the above table, compared with the polyester staple fiber non-woven fabric applied in the prior art, the tensile index of the novel antibacterial polyester filament non-woven fabric with the same specification is improved by 2-3 times, and the extension is improved by more than 1.5 times. The polyester short fiber non-woven fabric applied to the field in the prior art has no antibacterial function, is low in strength and nonuniform, and is easy to damage in the moving construction and transplanting process. The new antibacterial polyester filament non-woven fabric replaces polyester short fiber non-woven fabric, so that the roof greening material can be well transplanted without damage, and the service life of the roof greening material can be prolonged. The multiple-time repeated portability can be embodied more favorably, and the cost performance is more superior.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. The claims should not be construed to limit the claims to which they pertain.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A method for producing antibacterial non-woven fabric for transplanting roof greening is characterized in that nano-silver modified antibacterial polyester fiber is uniformly laid to form a fiber web after being cooled by side air blowing and subjected to tubular drafting, triangular felting needles with barbed hooks are used for performing reciprocating penetrating winding on the upper portion and the lower portion of the fiber web to form a rivet pin structure between three-dimensional structures of the fiber web, the size is stabilized through a circular net and a roller, and then the non-woven fabric is formed by dipping and hanging biological adhesive cement.
2. A method for producing an antibacterial non-woven fabric for portable roof greening according to claim 1, characterized in that the linear speed is 14-18 m/min.
3. The method of claim 1, wherein the bio-gum is gelatinized by corn starch.
4. The method for producing the antibacterial non-woven fabric for portable roof greening according to claim 1, wherein the production steps of the nano-silver modified antibacterial polyester fiber are as follows: the polyester melt is modified and antibacterial by implanting nano silver, is directly connected to a spinning box through a conveying pipeline and is then pressed to a spinning assembly to form polyester filaments.
5. The method for producing the antibacterial non-woven fabric for portable roof greening according to claim 1, wherein the nano silver modified antibacterial polyester fiber is subjected to side blowing cooling and tubular drafting treatment, and then is sent to an intelligent yarn swinging mechanism to be uniformly dispersed and laid on a web former to form a fiber web, and then the fiber web is conveyed to a needling process.
6. The method for producing an antibacterial non-woven fabric for portable roof greening according to claim 1, wherein the size of the raw fabric is stabilized by passing the raw fabric through a single cylinder and hot rolling mill by hot air penetration at 150-; the roller control temperature is 160-170 ℃.
7. The method for producing the antibacterial non-woven fabric for portable roof greening according to claim 1, wherein the raw fabric is dipped with biological mucilage and then is dried and shaped to obtain a finished product.
8. The method for producing an antibacterial non-woven fabric for portable roof greening according to claim 7, wherein the drying temperature is 120-.
9. The method for producing the antibacterial non-woven fabric for portable roof greening according to claim 7, wherein the finished product is cut, packaged, inspected, graded and warehoused.
10. An antibacterial non-woven fabric for transplantable roof greening, characterized by being prepared by the method of any one of claims 1 to 9.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113388962A (en) * | 2021-07-15 | 2021-09-14 | 江阴市华思诚无纺布有限公司 | Non-woven fabric for soft and conformable self-adhesive waterproof coiled material and production method thereof |
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