Easily Recyclable and Abrasion-Resistant Multi-Layer Elastic Composite Fabric

Abstract

Provided is an easily recyclable and abrasion-resistant multi-layer elastic composite fabric, which including a tubular body including an opening section, an upper section, a turning section, a lower section, and a sealed section, the opening section is provided at one end of the body, with one end open and another end connected to the upper section; the sealed section is provided at another end of the body where the opening section in not disposed, and is connected to the lower section; the turning section is connected to the upper section at one end, and to the lower section at another end; the body includes a face yarn layer and a backing yarn layer at outer and inner sides thereof, respectively; the body is composed of polyester material to facilitate recycling; the face yarn layer is knitted from a face composite yarn and a high-tenacity yarn to reduce frictional damage.

What is claimed is: 
     
         1 . An easily recyclable and abrasion-resistant multi-layer elastic composite fabric, comprising:
 a body, which is a tubular structure, the body includes an opening section, an upper section, a turning section, a lower section, and a sealed section, wherein   the opening section is disposed at one end of the body, with one end of the opening section being open to outside and another end of the opening section connected to the upper section;   the sealed section is disposed at another end of the body where the opening section in not disposed, and is connected to the lower section;   the turning section is connected to the upper section at one end thereof, and connected to the lower section at another end thereof;   wherein the body includes a face yarn layer and a backing yarn layer, with the face yarn layer disposed at an outer side of the body and the backing yarn layer disposed at an inner side of the body;   the body is composed of polyester material to facilitate recycling; and   the face yarn layer is knitted from a face composite yarn and a high-tenacity yarn to reduce frictional damage.   
     
     
         2 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 1 , wherein
 the easily recyclable and abrasion-resistant multi-layer elastic composite fabric is a polyester sock, and   the polyester sock comprises a sock body corresponding to the body, wherein   both ends of the sock body are an open end and a sealed end, which respectively correspond to the opening section and the sealed section of the body; and   the sock body includes a heel portion, an arch portion, and a forefoot portion, based on their contact with a user's foot, wherein
 the heel portion of the sock body corresponds to the upper section and the turning section of the body, and 
   the arch portion and the forefoot portion of the sock body correspond to the lower section of the body.   
     
     
         3 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 1 , wherein the face composite yarn is a composite yarn formed by winding an outer filament around a core filament; wherein
 the outer filament is made of polyethylene terephthalate (PET); and   the core filament is a composite material made of polyethylene terephthalate (PET) and polytrimethylene terephthalate (PTT), or a composite material made of polyethylene terephthalate (PET) and polybutylene terephthalate fiber (PBT).   
     
     
         4 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 3 , wherein the face composite yarn is an air-textured yarn (ATY); or the face composite yarn comprises a draw textured yarn (DTY) as the core filament, with the outer filament wound around the core filament. 
     
     
         5 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 1 , wherein the face composite yarn has a plurality of fuzz structures on its surface. 
     
     
         6 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 1 , wherein the high-tenacity yarn is made of polyethylene terephthalate (PET), and has a fiber strength of greater than 5 g/d (gram/denier). 
     
     
         7 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 3 , wherein
 the outer filament has an X 1 /Y 1  specification, where X 1  is 45 to 150 and Y 1  is 72 to 288, and   the core filament has an X 2 /Y 2  specification, where X 2  is 30 to 100 and Y 2  is 24 to 72; wherein   X 1  and X 2  indicate fineness in denier, and Y 1  and Y 2  indicate a number of individual fibers.   
     
     
         8 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 7 , wherein
 the X 1 /Y 1  specification of the outer filament is 50/72, 75/72, 50/144, 100/144, 150/144, 75/144, 50/288, 75/288, 100/288, or 150/288, and   the X 2 /Y 2  specification of the core filament is 30/24, 50/34, 50/36, 75/34, 75/36, 100/68, or 100/72.   
     
     
         9 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 1 , wherein
 the backing yarn layer is knitted from a yarn having an X 3 /Y 3  specification, where X 3  is 20 to 200 and Y 3  is 1 to 200;   wherein X 3  indicates fineness in Denier, and Y 3  indicates a number of individual fibers.   
     
     
         10 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 9 , wherein the X 3 /Y 3  specification is 40/1, 40/3, 80/2, or 120/3. 
     
     
         11 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 1 , wherein the backing yarn layer is knitted from a composite yarn comprising a polyester yarn and a thermoplastic polyester elastomer (TPEE) yarn. 
     
     
         12 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 11 , wherein the polyester yarn is made of polyethylene terephthalate (PET); or the polyester yarn is a composite material made of polyethylene terephthalate (PET) and polytrimethylene terephthalate (PTT), or a composite material made of polyethylene terephthalate (PET) and polybutylene terephthalate fiber (PBT). 
     
     
         13 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 11 , wherein the composite yarn is a draw textured yarn (DTY), which is formed by wrapping or winding the thermoplastic polyester elastomer (TPEE) yarn around the polyester yarn through yarn-covering or air entangling, followed by draw texturing. 
     
     
         14 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 11 , wherein the polyester yarn is a monofilament or multifilament yarn having an X 4 /Y 4  specification, where X 4  is 20 to 200 and Y 4  is 1 to 200;
 wherein X 4  indicates fineness in Denier, and Y 4  indicates a number of individual fibers.   
     
     
         15 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 14 , wherein the X 4 /Y 4  specification is 75/72. 
     
     
         16 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 11 , wherein the thermoplastic polyester elastomer (TPEE) yarn is a monofilament or multifilament yarn having an X 5 /Y 5  specification of 40/1, 40/3, 80/2, 80/6, 120/3, or 120/9;
 wherein X 5  indicates fineness in Denier, and Y 5  indicates a number of individual fibers.   
     
     
         17 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 1 , wherein the high-tenacity yarn is disposed at the sealed section or the lower section of the body. 
     
     
         18 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 2 , wherein the high-tenacity yarn is disposed at the sealed end or the forefoot portion of the sock body. 
     
     
         19 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 18 , wherein the sealed end of the sock body has a first toe portion and at least one second toe portion, which respectively correspond to the user's toes;
 wherein the high-tenacity yarn is disposed at the first toe portion.   
     
     
         20 . The easily recyclable and abrasion-resistant multi-layer elastic composite fabric according to  claim 1 , wherein the body contains one or more of silver ions, copper ions, zinc ions, activated carbon, silicon dioxide, titanium dioxide, chitosan, tea polyphenols, and plant essential oils.