CN110603150A - Environment-friendly cloth prepared from recycled garbage bags and preparation method and application thereof - Google Patents

Environment-friendly cloth prepared from recycled garbage bags and preparation method and application thereof Download PDF

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Publication number
CN110603150A
CN110603150A CN201980001278.1A CN201980001278A CN110603150A CN 110603150 A CN110603150 A CN 110603150A CN 201980001278 A CN201980001278 A CN 201980001278A CN 110603150 A CN110603150 A CN 110603150A
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CN
China
Prior art keywords
cloth
plastic
environment
main body
friendly
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Pending
Application number
CN201980001278.1A
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Chinese (zh)
Inventor
方华玉
卡梅伦·达内希瓦尔
方华珊
陈锦程
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Huafeng Huajin Group Co Ltd
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Huafeng Huajin Group Co Ltd
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Publication of CN110603150A publication Critical patent/CN110603150A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A43B23/0235—Different layers of different material
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/14—Printing or colouring
    • B32B38/145—Printing
    • 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
    • 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
    • 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
    • B32B5/30—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 formed of particles, e.g. chips, granules, powder
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B32B2264/0214—Particles made of materials belonging to B32B27/00
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • B32B2309/022—Temperature vs pressure profiles
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • B32B2309/025—Temperature vs time profiles
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/12—Pressure
    • B32B2309/125—Pressure vs time profiles
    • 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
    • B32B2437/00—Clothing
    • 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
    • B32B2437/00—Clothing
    • B32B2437/02—Gloves, shoes
    • 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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/02—Open containers
    • B32B2439/06—Bags, sacks, sachets
    • 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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/40—Closed containers
    • B32B2439/46—Bags

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention belongs to the technical field of waste recycling, and particularly relates to environment-friendly cloth prepared by using recycled garbage bags, and a preparation method and application thereof. An environment-friendly cloth prepared from recycled garbage bags comprises a cloth main body, wherein the cloth main body comprises a bottom layer and a surface layer; and the plastic composite layer is fixed on the bottom layer and/or the surface layer of the cloth main body in a hot stamping, heating or attaching mode, and is plastic sheets, strips, threads or particles obtained by processing recycled plastic garbage bags. A large amount of waste plastic garbage bags which are not really recycled are used for preparing environment-friendly cloth, so that the pollution of the waste plastic garbage bags to the environment is reduced, diversified fabric selections are provided for vamps, clothes, bags and the like, and plastic resources are fully recycled. The preparation method of the environment-friendly fabric is simple in process steps, no other additive is added, and the obtained product is applied to production of shoes, clothes and bags and is very environment-friendly.

Description

Environment-friendly cloth prepared from recycled garbage bags and preparation method and application thereof
Technical Field
The invention belongs to the technical field of waste recycling, and particularly relates to environment-friendly cloth prepared by using recycled garbage bags and a preparation method thereof.
Background
Plastics are chemical petroleum products extracted from petroleum or coal and once produced are difficult to degrade naturally. The plastic is buried underground for 200 years without being decomposed and degraded, and a large amount of plastic wastes are buried underground, so that the permeability of the soil can be damaged, the soil is hardened, and the growth of plants is influenced. One of the main uses of plastics, namely the manufacture of plastic bags, brings convenience to the life of people and brings long-lasting harm which is difficult to treat to the living environment of human beings. The annual output of plastics in China is 3000 ten thousand tons, and the consumption is over 600 ten thousand tons. Due to the difficulty in recycling and sorting, if plastic bags are calculated according to 15% of the plastic waste amount per year, the plastic waste amount is 1500 ten thousand tons all the year around the world, the annual plastic waste amount in China is more than 100 ten thousand tons, and the proportion of the waste plastic in the garbage accounts for 40%, so that a large amount of waste plastic is buried underground as garbage, and undoubtedly, greater pressure is brought to the cultivable land which is originally lacked.
Many countries adopt methods of incineration (thermal energy regeneration) or reprocessing manufacturing (product regeneration) to treat waste plastics. The two methods can recycle the waste plastics, thereby achieving the purpose of saving resources. However, the waste plastics can generate gases harmful to human bodies when being incinerated or reprocessed, so that the environment is polluted, and the treatment of the waste plastics is still a great problem which is very painful in environmental protection work. At present, no real effective and environment-friendly method and product for recycling waste plastic bags are seen in all countries in the world. There is a need to develop a product which can convert a recycled plastic garbage bag into another practical product and can be widely applied to industrial production, realize recycling of resources, and alleviate the pressure of the waste plastic garbage bag on the living environment of human beings.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide an environmentally friendly fabric made of recycled plastic garbage bags, which contains a large amount of recycled plastic garbage bags and can be used in various fields such as shoes, clothes, bags, etc., and a method for making the same; the preparation method of the environment-friendly cloth needs to meet the requirements of simple process, no harmful substances generated in the preparation process and no secondary pollution to the environment.
In order to achieve the above objects, in a first aspect of the present invention, the inventors provide an environmentally friendly fabric prepared from recycled garbage bags, comprising a fabric main body, the fabric main body comprising a bottom layer and a top layer; and the plastic composite layer is fixed on the bottom layer and/or the surface layer of the cloth main body, and is plastic sheets, strips, wires or particles obtained by processing recycled plastic garbage bags.
In a second aspect of the present invention, the inventors provide a method for preparing the environmentally friendly fabric according to the first aspect of the present invention, comprising the steps of: and placing the plastic composite layer on the surface layer and/or the bottom layer of the cloth main body, and fixing the plastic composite layer on the cloth main body in a hot embossing, heating or attaching mode to obtain the environment-friendly cloth.
In a third aspect of the present invention, the inventors provide a use of an environmentally friendly fabric on an upper, a garment or a bag, the environmentally friendly fabric being the environmentally friendly fabric according to the first aspect of the present invention.
Different from the prior art, the technical scheme at least has the following beneficial effects:
a large number of waste plastic garbage bags which are not really recycled are used for preparing environment-friendly cloth, so that the pollution of the waste plastic garbage bags to the environment is reduced, the plastic garbage resources are fully recycled, the cloth types are enriched, and diversified cloth selections are provided for vamps, clothes, bags and the like. Meanwhile, the preparation method of the environment-friendly cloth is simple in process steps, free of any chemical additive in the preparation process, free of harmful substances and free of secondary pollution to the environment, is applied to production of shoes, clothes and bags, and is very environment-friendly.
Detailed Description
The environment-friendly cloth according to the first aspect of the present invention, the method for preparing the environment-friendly cloth according to the second aspect of the present invention, and the use of the environment-friendly cloth according to the third aspect of the present invention in shoes, clothing, or bags are described in detail below.
First, the environment-friendly fabric according to the first aspect of the present invention will be described. An environment-friendly cloth prepared from recycled garbage bags comprises a cloth main body, wherein the cloth main body comprises a bottom layer and a surface layer; and the plastic composite layer is fixed on the bottom layer and/or the surface layer of the cloth main body, and is plastic sheets, strips, wires or particles obtained by processing recycled plastic garbage bags.
The environment-friendly cloth is a novel cloth obtained by adhering to an environment-friendly concept. Different from the original incineration and chemical reprocessing method, the method comprises the steps of recycling and concentrating waste plastic garbage bags harmful to the environment, cleaning, disinfecting and sterilizing the waste plastic garbage bags, slicing or crushing the waste plastic garbage bags to obtain a plastic composite layer, and fixing the plastic composite layer on an existing fabric main body surface layer and/or a bottom layer to obtain the environment-friendly fabric. The cloth body comprises, but is not limited to, terylene, acrylon, cotton, vinylon, chinlon or spandex. The application of the plastic composite layer has the following advantages for the cloth body: (1) the strength of the cloth is enhanced; (2) the visual effect of the cloth is enriched; (3) the production raw materials are saved; (4) without any additional chemical additives.
In order to obtain a better environment-friendly cloth effect, the usage amounts of the plastic composite layer and the cloth body are fixed together according to a certain proportion. If the amount of the plastic composite layer is too much, the air permeability and soft touch feeling of the environment-friendly cloth can be reduced; if the consumption of the plastic composite layer is too small, other raw materials or additives are required to be added for obtaining the environment-friendly cloth with the same effect, which is contrary to the environment-friendly concept and the advocation that the recycled waste plastic garbage bags are only utilized to realize the resource recycling without additionally adding any other chemical additives. Through a great deal of research and exploration of the inventor, the dosage of the plastic composite layer needs to be controlled within a certain proportion range when the plastic composite layer is fixed with different types of cloth main bodies.
As a further preferable scheme of the invention, the usage amount of the plastic composite layer is 15-30% based on the total weight of the environment-friendly cloth.
The plastic bag can be divided into the following parts according to production raw materials: high-pressure Polyethylene (PE) plastic bags, low-pressure Polyethylene (PE) plastic bags, polypropylene (PP) plastic bags, polyvinyl chloride (PVC) plastic bags, vinyl acetate (EVA), polyethylene + vinyl acetate (PE + EVA blend), polyethylene composite polypropylene (PE/PP), polyethylene composite vinyl acetate (PE/EVA), polyethylene composite polyvinyl chloride (PE/PVC), polyethylene composite Nylon (PE/Nylon) (PE/PA), polyethylene-coated polyethylene terephthalate (PE/PET), and polypropylene-coated polypropylene (PP/PP). The invention preferably selects Polyethylene (PE), polypropylene (PP) and polyvinyl chloride (PVC) plastic garbage bags, after cleaning, disinfection and sterilization, the garbage bags are divided into high density and low density, and the garbage bags are cut or crushed into small blocks, strips, filaments, fragments or particles, which are called as plastic composite layers, the plastic composite layers are placed on the cloth main body in a single layer or multiple layers, and the plastic composite layers and the cloth main body are fixed together in a hot embossing, heating or attaching mode. Although the plastic garbage bag production raw materials (polymer materials) collected in the actual life production are various, most of them can be fixed with the cloth main body by various means. However, general-purpose plastics with large yield, wide application, good formability and low price account for more than 80% of plastic bags in daily life and production practice. Among them, Polyethylene (PE), polypropylene (PP) and polyvinyl chloride (PVC) can be reversibly changed into a melt-liquid state and a molded-solid state with heating and cooling, and are the most common raw materials for thermoplastic garbage bags. Polystyrene plastic is also a general thermoplastic, but because it contains benzene rings, PE, PP and PVC containing no benzene rings are more preferable in view of the subsequent practical application of the environment-friendly fabric of the present invention.
As a further preferable scheme of the invention, the recycled plastic garbage bag is made of polyethylene PE, polypropylene PP and/or polyvinyl chloride PVC.
The plastic composite layer in the environment-friendly cloth can be melted and infiltrated into the cloth main body in the hot stamping process, and is wrapped on the fibers of the cloth main body after being cooled and formed. The plastic composite layer has more layers, so that due to the plastic melting fluidity characteristic brought by hot stamping, more plastic can be covered near the corresponding position of the cloth main body for placing the plastic composite layer, and the material quality is stiffer; on the contrary, the number of layers of the plastic composite layer is small, a small amount of melted plastic is arranged near the corresponding position of the cloth main body for placing the plastic composite layer under the action of hot stamping, and compared with the cloth body, the strength, the appearance or the touch feeling of the cloth main body are not greatly different from those of the cloth main body, but the obtained environment-friendly cloth is relatively soft compared with the touch feeling when the number of layers is large.
In a further preferred embodiment of the present invention, the number of layers of the plastic composite layer fixed to the bottom layer or the top layer of the fabric main body is 2 to 5.
Next, a method for producing the environment-friendly fabric of the second aspect of the present invention will be described. The preparation method of the environment-friendly cloth material comprises the following steps: and placing the plastic composite layer on the surface layer and/or the bottom layer of the cloth main body, and fixing the plastic composite layer on the cloth main body in a hot embossing, heating or attaching mode to obtain the environment-friendly cloth.
The recycled plastic garbage bag can come from the aspects of daily life or production practice, and is strictly cleaned, disinfected and sterilized by special departments to obtain a completely clean plastic garbage bag, which is the basis for the environment-friendly cloth provided by the invention to be used for producing daily necessities in various fields. The degree, shape or size of the cut or crushed plastic garbage bag is not specially specified, and can be in the state of sheet, strip, wire or particle. Especially for the hot stamping process, the plastic composite layers in various states are finally melted into liquid state to permeate into the cloth main body. However, if the plastic composite layer obtained by cutting or crushing the plastic garbage bag is fixed on the fabric main body by heating and bonding, the plastic garbage bag is processed into a specific shape according to the requirements of the final environment-friendly fabric such as lines, patterns and the like.
The hot stamping process comprises three steps: preparing a pressing mould, carrying out an imprinting process and transferring a pattern. The basic concept is to process a hard stamper blank into a stamper using electron beam lithography or other advanced techniques; then, a polymer film is coated on the substrate used for drawing the nano pattern in a spinning mode, the polymer film is placed into a stamping machine to be heated, a stamper is pressed on the polymer film on the substrate, the temperature is lowered to be near the freezing point of the polymer, and the stamper is separated from the polymer layer, so that a raised polymer pattern is formed on the substrate (the polymer remained in the concave position is removed by slight corrosion); pattern transfer is the conversion of the polymer pattern on the substrate to a pattern of the desired material using conventional pattern transfer techniques for the stamp formed in the previous step. Heated above its glass transition temperature. This reduces polymer viscosity during molding and increases flowability. Only when the temperature reaches above the glass transition temperature, the movement of the macromolecular chain segment in the polymer can be fully developed, so that the polymer is correspondingly in a high-elasticity state and can be rapidly deformed under certain pressure. In the hot embossing process, the melting temperature of the plastic composite layer needs to be considered, and the temperature resistance range of the loaded cloth main body fabric needs to be considered. The temperature of the hot stamping is set to enable the plastic composite layer to be melted into liquid state, and simultaneously, the loaded cloth main body can be ensured to keep the shape and the performance.
The hot stamping pressure refers to the pressure of the hot stamping die for enabling the plastic composite layer to be tightly attached to the bottom layer or the surface layer of the cloth main body, so that the hot stamping die is ensured to be flatly attached to the bottom layer or the surface layer of the cloth main body, and firm bonding between the plastic composite layer and the cloth main body is facilitated. The high molecular polymer of the plastic composite layer is pressed by the patterned die, the hot stamping pressure cannot be too small, otherwise, the high molecular polymer of the plastic composite layer cannot completely fill the cavity or cannot ensure that the high molecular polymer of the plastic composite layer is firmly bonded with the cloth main body.
The hot stamping time refers to the time for the hot stamping die to be tightly attached to the bottom layer or the surface layer of the main body of the cloth, and the time is related to the fusion bonding of the hot melt adhesive layer. The hot stamping time is too long, and the main body of the cloth can be discolored or cracked; the hot stamping time is too short, and the high molecular polymer of the plastic composite layer is not firmly bonded with the cloth main body. Hot stamping is divided into convex and planar hot stamping: when the convex surface is subjected to hot embossing, the bottom layer or the surface layer of the cloth main body is a plane, convex decorative patterns or characters are engraved on the surface of the hot embossing die, concave patterns or characters are formed on the bottom layer or the surface layer of the cloth main body after the hot embossing, and the high-molecular polymer hot melt adhesive of the plastic composite layer is bonded on the surfaces of the concave patterns or characters; plane hot stamping, wherein the bottom layer or the surface layer of the cloth main body is a plane or convex pattern and font, and the stamping surface of the hot stamping die is a soft silicon rubber flat plate. The rubber plate compresses the plastic composite layer in the hot stamping process, and the high molecular polymer of the plastic composite layer is adhered to the surfaces of the convex patterns and the characters, so that the high molecular polymer of the plastic composite layer is transferred to the surfaces. The plane hot stamping is carried out on a hot stamping machine, the maximum service temperature of the plane hot stamping die is 200 ℃, and the thickness of the plate is 2-5 mm.
Further preferably, the hot embossing temperature is 120-170 ℃.
Further preferably, the pressure of the hot embossing is 200-500 kPa.
Further preferably, the time of the hot stamping is 2-8 s.
The heating and attaching method is similar to that of the method in which the cloth main body containing the plastic composite layer is placed in a temperature raising device, and with the rise of temperature, the high polymer material of the plastic composite layer is finally melted and bonded and fixed with the cloth main body. The difference is that the plastics composite bed that the heating adopted can also be powdered or tiny particle, and the plastics composite bed that the laminating adopted is the piece, strip, and along with the temperature rise to a certain degree, plastics composite bed macromolecular material part laminates with the cloth main part mutually, can form finally to have the environmental protection cloth that the plastics composite bed of certain proportion floated in cloth main part bottom or top layer effect. Since a hot embossing die is not used to apply pressure to the plastic composite layer and the cloth main body, the time for the heat application is longer than that for the hot embossing.
Further preferably, the heating and attaching is to place the fabric main body with the surface layer and/or the bottom layer provided with the plastic composite layer into a heating device, the set temperature is 120-170 ℃, and the time of the thermal action is 3-20 min.
Finally, the application of the environment-friendly cloth on the vamp, the clothes or the bag is explained. An environment-friendly fabric for use on a shoe upper, a garment or a bag, the environment-friendly fabric being in accordance with the first aspect of the present invention. The environment-friendly cloth provided by the invention utilizes the recycled plastic garbage bags, is applied to preparation of vamps, clothes, bags and the like, can greatly reduce the consumption of raw materials of the cloth, enables the high-molecular polymer resources of plastics to be fully recycled, reduces the long-term pollution of the original waste plastic garbage bags to the earth, and is very environment-friendly.
In order to explain technical contents, structural features, and objects and effects of the technical means in detail, the following detailed description is given with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present application.
The plastic garbage bags are all recycled waste gas plastic garbage bags, the steps of cleaning, disinfecting and sterilizing are finished in a special treatment station, and all harmful substances such as bacteria and the like remained on the plastic bags are removed through a special cleaning system.
Example 1
Preparation method of environment-friendly cloth
Crushing the cleaned, sterilized and sterilized recycled polyethylene PE plastic garbage bags to 1 multiplied by 1cm plastic PE composite layer material by a crusher, evenly paving the plastic PE composite layer material on the surface layer of a cloth main body (terylene) in a double-layer mode, wherein the using amount of the plastic PE composite layer material is 15% of the total weight of the environment-friendly cloth, setting the temperature at 120 ℃, the pressure at 30kPa and hot stamping for 3s, and fixing the plastic PE composite layer material on the cloth main body to obtain the environment-friendly cloth which is good in mechanical property and bright in color.
Example 2
Preparation method of environment-friendly cloth
Different from the embodiment 1, the used plastic composite layer is a plastic PP composite layer material which is cut into 0.3 multiplied by 5cm, when the plastic PP composite layer material is tiled, the surface layer and the bottom layer of the main cloth body (nylon) are tiled, the using amount of the plastic PP composite layer material is 20% of the total weight of the environment-friendly cloth, the temperature is set to be 167 ℃, the pressure is set to be 20kPa, the hot stamping is carried out for 8s, and the plastic PP composite layer material is fixed on the surface layer and the bottom layer of the main cloth body, so that the environment-friendly cloth is obtained, and has the advantages of excellent mechanical property.
Example 3
Preparation method of environment-friendly cloth
Different from the embodiments 1 and 2, the plastic composite layer is a plastic PP and PVC composite layer material which is cut into 0.3 multiplied by 0.3cm, the double layers are respectively paved on the surface layer and the bottom layer of the main body (spandex) of the cloth, the using amount of the plastic PP and PVC composite layer material is 20% of the total weight of the environment-friendly cloth, the temperature is set to be 170 ℃, the pressure is set to be 50kPa, hot stamping is carried out for 2s, and the plastic PP and PVC composite layer material is fixed on the surface layer and the bottom layer of the main body of the cloth, so that the environment-friendly cloth is obtained, and has good mechanical performance and.
Example 4
Preparation method of environment-friendly cloth
Different from the embodiments 1 to 3, the used plastic composite layer is a plastic PE composite layer particle material which is crushed into a particle size of 80 meshes, two layers of the plastic PE composite layer particle material are uniformly paved on the surface layer of the cloth main body (vinylon), the using amount of the plastic PE composite layer particle material is 30% of the total weight of the environment-friendly cloth, the temperature is set to be 130 ℃, the pressure is 40kPa, the hot embossing is carried out for 5s, and the plastic PE composite layer material is fixed on the surface layer of the cloth main body, so that the environment-friendly cloth is good in mechanical property.
Example 5
Preparation method of environment-friendly cloth
Different from the embodiments 1 to 4, the used plastic composite layer is a plastic PP, PE and PVC composite layer material which is cut into 3 x 3cm, the three layers are laid on the surface layer of the cloth main body (acrylic fibers), the dosage of the plastic PP, PE and PVC composite layer material is 15% of the total weight of the environment-friendly cloth, the plastic PP, PE and PVC composite layer material is placed in a special oven, the temperature is set to be 165 ℃, the thermal action time is set to be 20min, the plastic PP, PE and PVC composite layer material is attached and fixed on the surface layer of the cloth main body, and the environment-friendly cloth is good in mechanical property.
Example 6
Different from the embodiments 1 to 5, the used plastic composite layer is a plastic PP and PVC composite layer material which is cut into 3 multiplied by 3cm, four layers of the plastic PP and PVC composite layer material are paved on the surface layer of the cloth main body (acrylic fibers), the dosage of the plastic PP and PVC composite layer material is 20 percent of the total weight of the environment-friendly cloth, the plastic PP and PVC composite layer material is placed in a special oven, the temperature is set to be 160 ℃, the thermal action time is 8min, and the plastic PP and PVC composite layer material is heated and fixed on the surface layer of the cloth main body, so that the environment-friendly cloth is obtained.
Example 7
Different from the embodiments 1 to 6, the used plastic composite layer is a plastic PVC composite layer material which is crushed into about 40 meshes of grain diameter, the plastic PVC composite layer material is uniformly paved on the surface layer of the cloth main body (nylon), the using amount of the plastic PVC composite layer material is 25 percent of the total weight of the environment-friendly cloth, the plastic PVC composite layer material and the surface layer are placed in a special oven, the temperature is set to be 200 ℃, the thermal action time is 2min, the plastic PVC composite layer material is heated and fixed on the surface layer of the cloth main body, and the environment-friendly cloth is obtained to have good mechanical property.
Example 8
Different from the embodiments 1 to 7, the used plastic composite layer is a plastic PP composite layer material which is cut into about 5 multiplied by 3cm, the plastic PP composite layer material is uniformly paved into five layers on the surface layer of the cloth main body (spandex), the plastic PP composite layer material is placed in a special oven, the temperature is set to be 165 ℃, the thermal action time is 10min, the plastic PP composite layer material is attached and fixed on the surface layer of the cloth main body, the same plastic PP composite layer material is uniformly paved into two layers on the bottom layer of the cloth main body after being turned over, the using amount of the plastic PP composite layer material is 20% of the total weight of the environment-friendly cloth, the temperature is set again to be 165 ℃, and the thermal action time is 5min, so that.
Example 9
Different from the embodiments 1 to 8, the used plastic composite layer is a cut irregular-shaped plastic low-density PE composite layer material, two layers are uniformly paved on the surface layer of the cloth main body (acrylic fibers), the using amount of the plastic PE composite layer material is 17% of the total weight of the environment-friendly cloth, the plastic low-density PE composite layer material and the surface layer of the cloth main body are placed in a special oven, the temperature is set to be 120 ℃, the thermal action time is 20min, the plastic low-density PE composite layer material is heated and fixed on the surface layer of the cloth main body, the environment-friendly cloth is obtained, the special effect of floating foaming is achieved, and.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein or by using equivalent structures or equivalent processes performed in the present specification, and are included in the scope of the present invention.

Claims (10)

1. The utility model provides an environmental protection cloth with preparation of recovery disposal bag which characterized in that includes:
the fabric comprises a fabric main body and a fabric cover, wherein the fabric main body comprises a bottom layer and a surface layer; and
and the plastic composite layer is fixed on the bottom layer and/or the surface layer of the cloth main body, and is plastic sheets, strips, wires or particles obtained by processing recycled plastic garbage bags.
2. The environmentally friendly fabric of claim 1, wherein the amount of the plastic composite layer is 15 to 30% based on the total weight of the environmentally friendly fabric.
3. The environmental protection cloth of claim 2, wherein the recycled plastic garbage bag is made of polyethylene PE, polypropylene PP and/or polyvinyl chloride PVC.
4. The environment-friendly cloth according to claim 1, wherein the number of the plastic composite layers fixed to the bottom layer or the top layer of the cloth main body is 2 to 5.
5. A method for preparing the environment-friendly cloth material as claimed in any one of claims 1 to 4, characterized by comprising the following steps:
and placing the plastic composite layer on the surface layer and/or the bottom layer of the cloth main body, and fixing the plastic composite layer on the cloth main body in a hot embossing, heating or attaching mode to obtain the environment-friendly cloth.
6. The method as claimed in claim 5, wherein the temperature of the hot embossing is 120-170 ℃.
7. The method as claimed in claim 5, wherein the pressure of the hot embossing is 200 kPa to 500 kPa.
8. The method of claim 5, wherein the hot stamping time is 2-8 s.
9. The preparation method as claimed in claim 5, wherein the heating and bonding comprises placing the fabric main body with the plastic composite layer disposed on the surface layer and/or the bottom layer into a heating device at a temperature of 120 ℃ and 170 ℃ for a time of 3-20 min.
10. Use of an environmentally friendly textile material on a shoe upper, a garment or a bag, wherein the environmentally friendly textile material is as claimed in any one of claims 1 to 4.
CN201980001278.1A 2019-07-30 2019-07-30 Environment-friendly cloth prepared from recycled garbage bags and preparation method and application thereof Pending CN110603150A (en)

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Application publication date: 20191220