TWI438317B - Water conservation and air permeable yarns and manufacturing method thereof - Google Patents

Description

Water-retaining and breathable film yarn and preparation method thereof

The present invention relates to a method of producing a yarn, and more particularly to a method of manufacturing a coated waste film.

Generally, the flower plant of the plant is usually made of plastic, snake, ceramic, etc., and is made of various shapes such as a pot, a rod, a sheet, a block, a seat, a plate, and the like. There are many defects: the above-mentioned flower or flower made of plastic material, because it does not meet environmental protection requirements, is a heavy burden for the future beautification environment. In addition, due to the poor oxygen permeability, when the plants planted therein are too much watering, it is easy to cause the roots to rot and cause soil loss, resulting in problems such as the roots being unable to adhere to the flower. And if the ultraviolet rays are too strong, the phenomenon of internal wetness and water retention is not easy to cultivate, and the visual effect of the appearance is poor.

The flower made of snake wood is more difficult to obtain on the previous day, and the price is high, which is not economical. In addition, because of the snakewood products, if they have not been subjected to any special treatment, they are prone to insects, which makes them poor in hygiene, aesthetics, service life and dual-use, and even worse because of the quality. It's not easy and it's too brittle and easy to break.

In addition, if the flower made of ceramic material is broken due to its brittle material, the safety is low. Moreover, the practicality, economy, inconvenient transportation and the production process of the long process are not in line with economic efficiency requirements. In addition, due to poor gas permeability, it is difficult to cultivate plants, and the weight is difficult to handle.

In addition, the medium used for traditionally planting plants in flower plants is mainly soil, rock wool or soilless cultivation medium. Among them, in the flower plant, if the soil is used as the medium for cultivation, the soil itself is easy to be contaminated by the physical, chemical, water-retaining and gas-permeable properties of the soil, and it is easy to accumulate salt in the medium or the flower side, which makes the soil susceptible to infectious pests and diseases. And weeds, and must be replaced frequently to control pests and weeds. In addition, because the quality of the soil is heavier, it is not easy to move, and when it is exported to plants, it often causes plant quarantine problems due to soil problems.

The above-mentioned so-called soilless cultivation method generally uses chemically inactive cultivation medium such as gravel, vermiculite, pumice, pearl stone, clay moss, rock wool or sawdust to provide elements normally required by plants. With the growing environment. At present, the soilless culture media such as vermiculite, pearl stone, clay carbon moss and rock wool used in the potting industry all depend on imports, which makes it difficult to obtain, resulting in high production costs and not meeting the requirements of economic benefits. Because of the difficulty in changing the planting conditions, it is impossible to provide the optimal growth environment for various plants, and its physical properties and chemical properties are not stable.

In view of the shortcomings of conventional planting plants, the present invention provides a yarn which can be applied to delicate agricultural materials and other daily necessities in addition to being used for making planting containers.

One aspect of the present invention is to provide a method of making a yarn. The utility model comprises a water-repellent and breathable discarding edge film, and the water-repellent and breathable discarding edge film is cut, wherein the water-repellent and breathable discarding edge film comprises a non-woven fabric and a porous film, and the porous film is attached to the non-woven fabric. The at least one water-repellent and breathable discarding edge film is wrapped by a surface layer yarn to form a structure of the multi-strand coated waste film.

According to an embodiment of the present invention, the water-repellent and breathable discarding film described above is cut into a strip shape.

According to an embodiment of the present invention, the method for manufacturing the yarn further comprises first adding a water-repellent and breathable discarding edge film, and wrapping at least one water-repellent and breathable discarding edge film with a surface layer yarn.

Another aspect of the present invention is to provide a yarn comprising at least one thread, a portion of which comprises at least two layers of water-repellent and breathable film. Each layer of the water-repellent and breathable discarding film comprises a non-woven fabric and a porous film, wherein the porous film is attached to the non-woven fabric.

According to an embodiment of the invention, a surface layer yarn is further included, the surface layer yarn wrapping around at least one thread.

A further aspect of the present invention provides a yarn comprising at least one woven thread and a surface layer yarn wrapped around the woven thread, wherein the woven thread comprises a layer of water-repellent and breathable discarding film, wherein the water-repellent and breathable discarding edge The film comprises a nonwoven fabric and a porous film, and the porous film is attached to the nonwoven fabric.

According to an embodiment of the present invention, the material of the non-woven fabric is polypropylene, polyester, nylon, enamel, tencel cotton or polyacrylonitrile.

According to an embodiment of the invention, the porous film is made of polyethylene or polyurethane.

Yet another aspect of the present invention is to provide a planting vessel comprising a plurality of yarns, wherein each yarn comprises at least one woven thread and a top layer yarn, the surface layer yarn wrapping around the woven thread, wherein a portion of the woven thread comprises at least two The layer of water-repellent and breathable discarding edge film comprises a polypropylene non-woven fabric and a porous film, wherein the porous film is made of polyethylene or polyurethane, and the porous film is attached to the polypropylene non-woven fabric.

According to an embodiment of the present invention, the surface layer yarn is made of a long-fiber such as polypropylene, polyester or nylon, or a spun yarn such as a cotton or a cotton yarn, or a porous film adhered to a non-woven fabric. Made of weaving thread.

The invention makes the yarn by the waste film with water-retaining and venting function, wherein the discarded edge refers to the waste remaining in the textile production process.

Referring to Fig. 1, a perspective view of a yarn according to an embodiment of the present invention is shown. The yarn of the present invention comprises at least one woven thread 100, a portion of which comprises at least two layers of water-repellent breathable discarding film 110. Each layer of water-retaining and permeable backing film 110 comprises a non-woven fabric 120 and a porous film 130. Referring to FIG. 2A, a cross-sectional view of the water-repellent and breathable discarding film in which the porous film 130 is attached to the nonwoven fabric 120.

The above yarn may further comprise a surface layer yarn 200. Please refer to FIG. 2B for a perspective view of the surface yarn wrapped around the weave. The top layer yarn 200 is wrapped in a spiral form on the surface of at least one of the threads 100.

The foregoing wrapping means that the surface layer yarn is wrapped in a spiral form around the outer surface of the thread by centering on at least one thread.

According to another embodiment of the present invention, the woven thread of the present invention may also be at least one woven thread and a surface layer yarn wrapped around the woven thread, wherein the woven thread comprises a layer of water-repellent and breathable discarding film, wherein the water-repellent and permeable fabric is discarded. The side film comprises a non-woven fabric and a porous film, and the porous film is attached to the non-woven fabric.

Non-woven fabrics are made of polypropylene, polyester, nylon, tantalum, tencel cotton or polyacrylonitrile. The porous film is made of polyethylene or polyurethane. The material of the surface layer yarn may be a long-filament yarn such as polypropylene, polyester or nylon, or a spun yarn such as a crepe or cotton yarn, or a water-repellent and breathable discarding film which is attached to a non-woven fabric with a porous film as a surface layer yarn. By wrapping the above-mentioned woven thread with the surface layer yarn, it is more convenient to woven with other yarns while retaining its function of retaining water and venting.

According to an embodiment of the present invention, the method of covering the woven thread 100 with the surface layer yarn 100 to produce a yarn includes recovering the water-retaining and permeable wicking film 110, and cutting the water-retaining and permeable film 180 to a certain width. In one example, the width of the cut water-repellent breathable film is less than one inch. The water-repellent and breathable discarding film 110 includes a nonwoven fabric 120 and a porous film 130. The porous film 130 is attached to the nonwoven fabric 120. The water-repellent and permeable edge film 110 is wrapped around the surface layer yarn 200 to form a multi-strand coated waste film.

The plurality of coated abandonment film yarns comprise a double-coated coated side-effect film yarn formed by a surface layer of yarn wrapped around a water-repellent and breathable film, and a surface layer of yarn wrapped around two or more water-repellent and breathable film. Three or more strands of coated side film yarn.

According to an embodiment of the present invention, the water-repellent and breathable discarding film is firstly wrapped, and at least one water-repellent and breathable discarding film is wrapped by the surface layer yarn. The twisting is to make the two sections cross-rotate, so that the fibers which are originally parallel to the axis are inclined into a spiral, which mainly improves the strength of the yarn.

According to an embodiment of the present invention, the cut water-repellent and breathable discarding film is formed into a long strip shape, which is convenient for curling and twisting, so that the coated coated waste film yarn is evenly wrapped in the surface layer yarn 200. .

According to an embodiment of the present invention, the water-retaining and breathable discarding film may be derived from a waste discarding film left over from the manufacture of disposable sanitary equipment, which comprises a polyethylene porous film-attached polypropylene nonwoven fabric. It is known that such a water-retaining and gas-permeable membrane has a calcium carbonate powder added therein, and expansion causes micropores when stretched, and increases the specific surface area of the water-retaining and gas-permeable membrane. Therefore, according to the principle of capillary phenomenon, there should be a good Water retention. The discarded discard film is recycled and cut to a certain width according to the end demand. The water-repellent and breathable discarding film and the surface layer yarn are spun through a hollow spindle-type spinning machine, so that the surface layer yarn is wrapped around the water-repellent and breathable discarding edge film to form the coated discarding side film yarn, and the water-repellent and breathable discarding side film is rotated and wrapped. Wrap each other in it. In one example, when the cutting width is 2 cm, the double-coated coated side-striped yarn of about 12,000 denier, which is a water-repellent and breathable discarding film, can be spun.

The yarn produced by the invention can be widely used in daily necessities, such as curtains for home decoration, wall coverings, planting containers, automotive interior materials and exquisite agricultural materials.

The invention can be applied to the planting container and the exquisite agricultural material by using the double-stranded or three-strand coated abandonment film. The double-strand coated abandonment film is made into a bag-shaped woven fabric of various sizes, specifications, structures and compositions by a Rigid Rapier Loom, and then the bag-shaped woven fabric is used as a base material. The bag is filled with a quantitative cultivation medium, a resin, a seed, a nutrient, and the like to form a hanging hanging basket. Please refer to Fig. 2 for a double-coated coated side-mesh yarn planting container made of the yarn of the present invention. The double-coated coated side-effect film yarn is a weft yarn, generally polypropylene, polyester, nylon The long-staple yarns such as long-staple yarns, crepe and cotton yarns are warp yarns, and are woven into a bag-shaped woven fabric structure by a rapier-type shuttleless weaving mechanism, which is environmentally friendly, light in weight, breathable, moisturizing and durable, and makes plants more Easy to grow and achieve rapid growth. And proper control of the composition of the warp and weft yarn density and the number of branches, the water for cultivation can be uniformly and rapidly infiltrated into all directions through the capillary phenomenon of the microporous double-strand coated abandonment film and the warp and weft gap. In order to achieve uniform and rapid absorption of water, the purpose of providing plant moisture can be achieved, and the stable and clean cultivation environment, the type stability, the uniform water absorption and the proper amount of nutrients for delicate agricultural and horticultural flowers can be improved. Wait. In the above-mentioned production process, the properties of the fiber itself can be utilized, and the properties of the heat-fixing property of the fiber itself can be applied to the tempering planting device in a higher-quality shape after one or two times of processing.

In addition, it can also be woven into a plain weave fabric structure for use as a batch planting site, which has the advantages of weakening ultraviolet radiation, reducing volatile water, balancing nutrients, reducing pests and diseases, and is applicable to cultivation media and covering of hydroponic and soil tillage. Used for cloth.

It can be seen from the above embodiments of the present invention that the multi-strand coated waste film produced by the present invention is easy to obtain and economical, has the characteristics of water retention and gas permeability, and can be widely used in daily necessities.

The present invention has been disclosed in the above embodiments, and is not intended to limit the present invention. Any one of ordinary skill in the art to which the present invention pertains can make various changes without departing from the spirit and scope of the invention. The scope of protection of the present invention is therefore defined by the scope of the appended claims.

100. . . Weaving thread

110. . . Water-proof and breathable discarding film

120. . . Non-woven

130. . . Porous film

200. . . Surface yarn

The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood.

Fig. 1 is a perspective view of a yarn according to an embodiment of the present invention.

Figure 2A is a cross-sectional view of the water-repellent and breathable discarding film.

Figure 2B is a perspective view of the surface layer wrapped around the weave.

Figure 3 shows the planting container of double-strand coated abandonment film

100. . . Weaving thread

110. . . Water-proof and breathable discarding film

120. . . Non-woven

130. . . Porous film

200. . . Surface yarn

Claims (17)

A method for manufacturing a yarn, comprising: recovering a water-repellent and breathable discarding film, and cutting the water-repellent and breathable discarding edge film, wherein the water-repellent and breathable discarding edge film comprises a non-woven fabric and a porous film, and the porous film is attached to the porous film The non-woven fabric; and wrapping at least one of the water-repellent and breathable discarding film with a surface layer yarn to form a plurality of coated waste film. The method for producing the yarn according to claim 1, wherein the non-woven fabric is made of polypropylene, polyester, nylon, crepe, tencel cotton or polyacrylonitrile. The method for producing a yarn according to claim 1, wherein the porous film is made of polyethylene or polyurethane. The method for producing the yarn according to claim 1, wherein the surface layer yarn is made of a long fiber such as polypropylene, polyester or nylon, a spun yarn such as a crepe or a cotton yarn, or a porous film attached with a non-woven fabric. Discard the rim film. The method for producing a yarn according to claim 1, wherein the water-repellent and breathable discarding film is cut into a strip shape. The method for producing a yarn according to claim 1, further comprising first adding the water-repellent and breathable discarding film, and wrapping the at least one water-repellent and breathable discarding edge film with the surface layer yarn. A yarn comprising: at least one thread, wherein a portion comprises at least two layers of water-repellent and breathable film, wherein each layer of the water-repellent and breathable film comprises a nonwoven fabric and a porous film, and the porous film is attached to the nonwoven fabric. The yarn of claim 7 further comprising a surface layer yarn wrapped around at least one of the threads. The yarn according to claim 7, wherein the non-woven fabric is made of polypropylene, polyester, nylon, crepe, tencel cotton or polyacrylonitrile. The yarn according to claim 7, wherein the porous film is made of polyethylene or polyurethane. The yarn according to claim 8, wherein the surface layer yarn is made of a long fiber such as polypropylene, polyester or nylon, a spun yarn such as a crepe or a cotton yarn, or a porous film adhered to a non-woven fabric. . . A yarn produced by the method of claim 1, comprising: at least one thread and a surface layer yarn wrapped around the thread, wherein the thread comprises a water-repellent and breathable discarding film, wherein the layer retains water The breathable discarding film comprises a nonwoven fabric and a porous film, and the porous film is attached to the nonwoven fabric. The yarn of claim 12, wherein the non-woven fabric is made of polypropylene, polyester, nylon, crepe, tencel cotton or polyacrylonitrile. The yarn according to claim 12, wherein the porous film is made of polyethylene or polyurethane. The yarn according to claim 12, wherein the surface layer yarn is made of a long fiber such as polypropylene, polyester or nylon, a spun yarn such as a crepe or a cotton yarn, or a porous film adhered to a non-woven fabric. . a planting container comprising a plurality of yarns, wherein each of the yarns comprises at least one woven thread and a surface layer yarn wrapped around the woven thread, wherein a portion of the woven thread comprises at least two layers of water-repellent and breathable discarding film. Each of the layers of the water-repellent and breathable discarding film comprises a polypropylene non-woven fabric and a porous film, wherein the porous film is made of polyethylene or polyurethane, and the porous film is attached to the polypropylene non-woven fabric. The planting container according to claim 16, wherein the surface layer yarn is made of a long fiber such as polypropylene, polyester or nylon, a spun yarn such as crepe or cotton yarn, or a polyethylene porous film or polyurethane. The porous film is adhered to the water-repellent and breathable discarding film of the polypropylene non-woven fabric.