Waterproof and anti-tear container bag base cloth and production method thereof

Abstract

The invention discloses waterproof and anti-tear flexible freight bag base cloth and a production method thereof.The waterproof and anti-tear flexible freight bag base cloth comprises composite base cloth, upper-layer waterproof cloth is positioned on the upper end surface of the composite base cloth, lower-layer waterproof cloth is positioned on the lower end surface of the composite base cloth, a first anti-pulling elastic belt is positioned in the lower-layer waterproof cloth, and a second anti-pulling elastic belt is positioned in the lower-layer waterproof cloth. A second anti-pulling elastic belt is positioned in the upper-layer waterproof cloth, the composite base cloth comprises an upper polyester fiber, an upper polypropylene yarn material, an upper latex material, an upper resin material, a base cloth main body, a lower latex material, a lower polyester fiber, a lower polypropylene yarn material and a lower resin material, and the upper resin material is positioned on the upper surface of the base cloth main body. According to the waterproof and anti-tearing flexible freight bag base cloth and the production method thereof, the composite knitting line material, the PVC resin, the wood pulp material, the acetic acid and the latex are combined, and the waterproof cloth is woven on the outer layer for forming, so that the waterproof and anti-tearing flexible freight bag base cloth has anti-pulling and waterproof effects, the service life of the base cloth is prolonged, and the packaging performance is more excellent.

Description

Technical Field

[0001] The invention relates to the technical field of bulk bag base fabrics, and in particular to a waterproof and tear-resistant bulk bag base fabric and a production method thereof. Background Art

[0002] The base fabric of bulk bags is a ton bag, which is a flexible transport packaging container. It has the advantages of moisture-proof, dust-proof, radiation-resistant, firm and safe, and has sufficient structural strength. Container bags are generally woven from polyester fibers such as polypropylene and polyethylene. With the continuous development of science and technology, people have higher and higher requirements on the manufacturing process of bulk bag base fabrics.

[0003] The existing bulk bag base cloth has certain disadvantages when in use. First, the existing bulk bag base cloth has a relatively simple structure when in use, has poor tensile resistance, is easily damaged, and is not conducive to people's use. In addition, the surface waterproof performance of the existing bulk bag base cloth is not good, which brings certain adverse effects to people's use process. For this reason, we propose a waterproof and tear-resistant bulk bag base cloth and a production method thereof. Summary of the invention

[0004] Technical problem to be solved: In view of the shortcomings of the prior art, the present invention provides a waterproof and tear-resistant container bag base fabric and a production method thereof, which combines composite knitted yarn, PVC resin, wood pulp, acetic acid and latex, and weaves a waterproof cloth on the outer layer to form a film, which has the effects of anti-pulling and waterproofing, increases the service life of the base fabric, and has better assembly performance, which can effectively solve the problems in the background technology.

[0005] Technical solution: To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a waterproof and tear-proof container bag base fabric, including a composite base fabric, an upper waterproof fabric is positioned on the upper end surface of the composite base fabric, a lower waterproof fabric is positioned on the lower end surface of the composite base fabric, a first anti-pull elastic band is positioned inside the lower waterproof fabric, and a second anti-pull elastic band is positioned inside the upper waterproof fabric. The composite base fabric includes an upper polyester fiber, an upper polypropylene yarn, an upper latex material, an upper resin material, a base fabric body, a lower latex material, a lower polyester fiber, a lower polypropylene yarn and a lower resin material. The upper resin material is located on the upper surface of the base fabric body, the upper latex material is located on the upper surface of the upper resin material, the upper polypropylene yarn is located on the upper surface of the upper latex material, the upper polyester fiber is located on the lower surface of the upper polypropylene yarn, the lower resin material is located on the lower surface of the base fabric body, the lower latex material is located on the lower surface of the lower resin material, the lower polypropylene yarn is located on the lower surface of the lower latex material, and the lower polyester fiber is located on the lower surface of the lower polypropylene yarn.

[0006] As a preferred technical solution of the present application, the lower waterproof cloth includes an upper waterproof film, an upper polyethylene film, a grey cloth, a lower polyethylene film and a lower waterproof film, the lower polyethylene film is located on the surface of the lower waterproof film, the grey cloth is located on the surface of the lower polyethylene film, the upper polyethylene film is located on the surface of the grey cloth, and the upper waterproof film is located on the surface of the upper polyethylene film.

[0007] As a preferred technical solution of the present application, the composite base fabric is integrally formed with the lower waterproof fabric and the upper waterproof fabric through weaving.

[0008] As a preferred technical solution of the present application, the lower waterproof cloth and the first anti-pull elastic band are integrally formed by sewing, and the upper waterproof cloth and the second anti-pull elastic band are integrally formed by sewing.

[0009] As a preferred technical solution of the present application, the upper polyester fiber, upper polypropylene yarn, upper latex material, upper resin material, base cloth body, lower latex material, lower polyester fiber, lower polypropylene yarn and lower resin material are integrally formed by knitting.

[0010] As a preferred technical solution of the present application, the upper waterproof membrane, the upper polyethylene membrane, the grey cloth, the lower polyethylene membrane and the lower waterproof membrane are integrally formed by knitting.

[0011] A method for producing a waterproof and tear-resistant bulk bag base fabric, specifically comprising the following steps:

[0012] S1: Material selection: prepare the materials needed to make the base fabric of the container bag, including composite knitted yarn, PVC resin, wood pulp, acetic acid, waterproof cloth, latex and dye;

[0013] S2: Mixing and stirring: PVC resin, wood pulp and acetic acid are mixed to form triacetic acid material, and the material is dissolved. While the material is dissolved, latex is added, stirred and mixed with the waterproof cloth;

[0014] S3: Composite spinning: After the dissolution operation is completed, filtration, degassing and dry spinning are performed. During the dry spinning, the composite knitting yarn is added to perform the spinning operation simultaneously;

[0015] S4: Weaving: In the dry spinning step, the dry spinning is composite-woven with the composite knitting yarn prepared in advance to form a pull-resistant fabric;

[0016] S5: Fabric forming: The anti-tear fabric made by spinning is combined with the waterproof cloth to make the base fabric of the container bag, and the surface of the base fabric is dyed with dyeing materials, and interlaced and rolled until it is formed and packaged.

[0017] As a preferred technical solution of the present application, the waterproof and tear-resistant bulk bag base fabric production in the steps S1-S5 combines composite knitted yarn, PVC resin, wood pulp, acetic acid and latex, and weaves a waterproof fabric on the outer layer to form it.

[0018] Beneficial effects: Compared with the prior art, the present invention provides a waterproof and tear-resistant bulk bag base fabric and a production method thereof, which have the following beneficial effects: the waterproof and tear-resistant bulk bag base fabric and a production method thereof combine composite knitted yarn, PVC resin, wood pulp, acetic acid and latex, and weave a waterproof cloth on the outer layer to form a film, which has the effects of anti-pulling and waterproofing, increases the service life of the base fabric, and has better assembly performance. The materials required for preparing the bulk bag base fabric include composite knitted yarn, PVC resin, wood pulp, acetic acid, waterproof cloth, latex and dye; PVC resin, wood pulp and acetic acid are mixed to form a triacetic acid material, and dissolved During the dissolution operation, latex is added, stirred and mixed with the waterproof cloth; after the dissolution operation is completed, filtering, degassing and dry spinning are carried out, and during the dry spinning, the composite knitted yarn is added to carry out the spinning operation simultaneously; in the dry spinning step, the dry spinning is compositely woven with the composite knitted yarn prepared in advance to form a tensile-resistant fabric; the tensile-resistant fabric made by spinning is combined with the waterproof cloth to form a container bag base fabric, and the surface of the base fabric is dyed with a dye, and interlaced and rolled until it is formed and packaged. The entire container bag base fabric has a simple structure and is easy to operate, and the effect of use is better than that of the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention is a schematic diagram of the overall structure of a waterproof and tear-resistant container bag base fabric.

[0020] Figure 2 The present invention is a schematic diagram of the overall decomposed structure of a waterproof and tear-resistant container bag base fabric.

[0021] Figure 3 The present invention is a schematic structural diagram of a composite base fabric in a waterproof and tear-resistant bulk bag base fabric.

[0022] Figure 4 The present invention is a schematic structural diagram of a waterproof cloth in a waterproof and tear-resistant bulk bag base cloth.

[0023] Figure 5 The present invention is a schematic diagram of a method for producing a waterproof and tear-resistant bulk bag base fabric.

[0024] In the figure: 1. composite base fabric; 2. lower waterproof fabric; 3. upper waterproof fabric; 4. first anti-pull elastic band; 5. second anti-pull elastic band; 6. upper polyester fiber; 7. upper polypropylene yarn; 8. upper latex material; 9. upper resin material; 10. base fabric body; 11. lower latex material; 12. lower polyester fiber; 13. lower polypropylene yarn; 14. lower resin material; 15. upper waterproof membrane; 16. upper polyethylene film; 17. grey cloth; 18. lower polyethylene film; 19. lower waterproof membrane. DETAILED DESCRIPTION

[0025] The technical scheme of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but it will be understood by those skilled in the art that the following described embodiments are part of embodiments of the present invention, rather than all embodiments, and are only used to illustrate the present invention, and should not be considered as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the present invention. If specific conditions are not specified in the embodiments, they are carried out according to normal conditions or conditions recommended by the manufacturer. If the manufacturer is not specified in the reagents or instruments used, they are all conventional products that can be purchased commercially.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1-5As shown, a waterproof and tear-proof container bag base fabric comprises a composite base fabric 1, an upper waterproof fabric 3 is positioned on the upper end surface of the composite base fabric 1, a lower waterproof fabric 2 is positioned on the lower end surface of the composite base fabric 1, a first anti-pull elastic band 4 is positioned inside the lower waterproof fabric 2, a second anti-pull elastic band 5 is positioned inside the upper waterproof fabric 3, and the composite base fabric 1 comprises an upper polyester fiber 6, an upper polypropylene yarn material 7, an upper latex material 8, an upper resin material 9, a base fabric body 10, a lower latex material 11, a lower polyester fiber 12, and a lower polypropylene yarn material 7. The upper resin material 9 is located on the upper surface of the base fabric body 10, the upper latex material 8 is located on the upper surface of the upper resin material 9, the upper polypropylene yarn material 7 is located on the upper surface of the upper latex material 8, the upper polyester fiber 6 is located on the lower surface of the upper polypropylene yarn material 7, the lower resin material 14 is located on the lower surface of the base fabric body 10, the lower latex material 11 is located on the lower surface of the lower resin material 14, the lower polypropylene yarn material 13 is located on the lower surface of the lower latex material 11, and the lower polyester fiber 12 is located on the lower surface of the lower polypropylene yarn material 13.

[0029] The composite knitted yarn, PVC resin, wood pulp, acetic acid and latex are combined and woven into a waterproof cloth on the outer layer. It has the effects of anti-pulling and waterproofing, increases the service life of the base cloth, and has better assembly performance.

[0030] Furthermore, the lower waterproof cloth 2 includes an upper waterproof membrane 15, an upper polyethylene film 16, a grey cloth 17, a lower polyethylene film 18 and a lower waterproof membrane 19. The lower polyethylene film 18 is located on the surface of the lower waterproof membrane 19, the grey cloth 17 is located on the surface of the lower polyethylene film 18, the upper polyethylene film 16 is located on the surface of the grey cloth 17, and the upper waterproof membrane 15 is located on the surface of the upper polyethylene film 16.

[0031] Furthermore, the composite base fabric 1 and the lower waterproof fabric 2 and the upper waterproof fabric 3 are integrally formed by weaving.

[0032] Furthermore, the lower waterproof cloth 2 and the first anti-tear elastic band 4 are integrally formed by sewing, and the upper waterproof cloth 3 and the second anti-tear elastic band 5 are integrally formed by sewing.

[0033] Furthermore, the upper polyester fiber 6, the upper polypropylene yarn material 7, the upper latex material 8, the upper resin material 9, the base fabric body 10, the lower latex material 11, the lower polyester fiber 12, the lower polypropylene yarn material 13 and the lower resin material 14 are integrally formed by knitting.

[0034] Furthermore, the upper waterproof membrane 15, the upper polyethylene membrane 16, the grey cloth 17, the lower polyethylene membrane 18 and the lower waterproof membrane 19 are integrally formed by knitting.

[0035] A method for producing a waterproof and tear-resistant bulk bag base fabric, specifically comprising the following steps:

[0036] S1: Material selection: prepare the materials needed to make the base fabric of the container bag, including composite knitted yarn, PVC resin, wood pulp, acetic acid, waterproof cloth, latex and dye;

[0037] S2: Mixing and stirring: PVC resin, wood pulp and acetic acid are mixed to form triacetic acid material, and the material is dissolved. While the material is dissolved, latex is added, stirred and mixed with the waterproof cloth;

[0038] S3: Composite spinning: After the dissolution operation is completed, filtration, degassing and dry spinning are performed. During the dry spinning, the composite knitting yarn is added to perform the spinning operation simultaneously;

[0039] S4: Weaving: In the dry spinning step, the dry spinning is composite-woven with the composite knitting yarn prepared in advance to form a pull-resistant fabric;

[0040] S5: Fabric forming: The anti-tear fabric made by spinning is combined with the waterproof cloth to make the base fabric of the container bag, and the surface of the base fabric is dyed with dyeing materials, and interlaced and rolled until it is formed and packaged.

[0041] Furthermore, in the production of the waterproof and tear-resistant bulk bag base fabric in steps S1-S5, the composite knitted yarn, PVC resin, wood pulp, acetic acid and latex are combined, and a waterproof fabric is woven on the outer layer to form a waterproof fabric.

[0042] Embodiment 1:

[0043] Material selection: prepare the materials needed for preparing the base fabric of the container bag, including composite knitted yarn, PVC resin, wood pulp, acetic acid, waterproof cloth, latex and dye, wherein the composite knitted yarn accounts for 30%, the PVC resin accounts for 18%, the wood pulp accounts for 15%, the acetic acid accounts for 12%, the waterproof cloth accounts for 15%, the latex accounts for 5%, and the dye accounts for 5%;

[0044] S2: Mixing and stirring: 18% PVC resin, 15% wood pulp, and 12% acetic acid are mixed to form triacetic acid material, and the material is dissolved. While the material is dissolved, 5% latex is added, stirred, and mixed with 15% waterproof cloth;

[0045] S3: Composite spinning: After the dissolution operation is completed, filtration, degassing and dry spinning are performed. During the dry spinning, 30% composite knitting yarn is added to perform the spinning operation simultaneously;

[0046] S4: Weaving: In the dry spinning step, the dry spinning is composite-woven with the composite knitting yarn prepared in advance to form a pull-resistant fabric;

[0047] S5: Fabric forming: The anti-tear fabric made by spinning is combined with the waterproof cloth to make the base fabric of the container bag, and the surface of the base fabric is dyed with dyeing materials, and interlaced and rolled until it is formed and packaged.

[0048] Embodiment 2:

[0049] Material selection: prepare the materials needed for preparing the base fabric of the container bag, including composite knitted yarn, PVC resin, wood pulp, acetic acid, waterproof cloth, latex and dye, among which the composite knitted yarn accounts for 32%, the PVC resin accounts for 16%, the wood pulp accounts for 17%, the acetic acid accounts for 10%, the waterproof cloth accounts for 13%, the latex accounts for 6%, and the dye accounts for 6%;

[0050] S2: Mixing and stirring: 16% PVC resin, 17% wood pulp, and 10% acetic acid are mixed to form triacetic acid material, and the material is dissolved. While the material is dissolved, 6% latex is added, stirred, and mixed with 13% waterproof cloth;

[0051] S3: Composite spinning: After the dissolution operation is completed, filtration, degassing and dry spinning are performed. During the dry spinning, 32% composite knitting yarn is added to perform the spinning operation simultaneously;

[0052] S4: Weaving: In the dry spinning step, the dry spinning is composite-woven with the composite knitting yarn prepared in advance to form a pull-resistant fabric;

[0053] S5: Fabric forming: The anti-tear fabric made by spinning is combined with the waterproof cloth to make the base fabric of the container bag, and the surface of the base fabric is dyed with dyeing materials, and interlaced and rolled until it is formed and packaged.

[0054] Embodiment 3:

[0055] Material selection: prepare the materials needed for preparing the base fabric of the container bag, including composite knitted yarn, PVC resin, wood pulp, acetic acid, waterproof cloth, latex and dye, wherein the composite knitted yarn accounts for 35%, the PVC resin accounts for 15%, the wood pulp accounts for 14%, the acetic acid accounts for 11%, the waterproof cloth accounts for 16%, the latex accounts for 5%, and the dye accounts for 4%;

[0056] S2: Mixing and stirring: 15% PVC resin, 14% wood pulp, and 11% acetic acid are mixed to form triacetic acid material, and the material is dissolved. While the material is dissolved, 5% latex is added, stirred, and mixed with 16% waterproof cloth;

[0057] S3: Composite spinning: After the dissolution operation is completed, filtration, degassing and dry spinning are performed. During the dry spinning, 35% composite knitting yarn is added to perform the spinning operation simultaneously;

[0058] S4: Weaving: In the dry spinning step, the dry spinning is composite-woven with the composite knitting yarn prepared in advance to form a pull-resistant fabric;

[0059] S5: Fabric forming: The anti-tear fabric made by spinning is combined with the waterproof cloth to make the base fabric of the container bag, and the surface of the base fabric is dyed with dyeing materials, and interlaced and rolled until it is formed and packaged.

[0060]

[0061] It can be seen from the table that the setting of the composite knitted yarn material greatly improves the tensile strength of the container bag base fabric.

[0062] Working principle: The present invention comprises a composite base fabric 1, a lower waterproof fabric 2, an upper waterproof fabric 3, a first anti-pull elastic band 4, a second anti-pull elastic band 5, an upper polyester fiber 6, an upper polypropylene yarn 7, an upper latex material 8, an upper resin material 9, a base fabric body 10, a lower latex material 11, a lower polyester fiber 12, a lower polypropylene yarn 13, a lower resin material 14, an upper waterproof film 15, an upper polyethylene film 16, a grey fabric 17, a lower polyethylene film 18, and a lower waterproof film 19, and the materials required for preparing the base fabric of the container bag include composite knitted yarn, PVC resin, wood pulp, acetic acid, waterproof fabric, latex and dye; PVC resin, wood pulp and acetic acid are mixed to form a triacetic acid material, and a dissolving operation is performed, and latex is added while the dissolving operation is performed. , stir and mix with the waterproof cloth; after the dissolution operation is completed, filter, degassing and dry spinning are carried out. When dry spinning is carried out, the composite knitted yarn is added and the spinning operation is carried out simultaneously; in the dry spinning step, the dry spinning is compositely woven with the composite knitted yarn prepared in advance to form a pull-resistant fabric; the pull-resistant fabric made by spinning is combined with the waterproof cloth to form a container bag base cloth, and the surface of the base cloth is dyed with a dye, and interlaced and rolled until it is formed, and packaged, the composite knitted yarn, PVC resin, wood pulp, acetic acid and latex are combined, and the waterproof cloth is woven on the outer layer to form a pull-resistant and waterproof effect, which increases the service life of the base cloth and has better assembly performance.

[0063] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0064] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A waterproof and tear-resistant container bag base fabric, comprising a composite base fabric (1), characterized in that: An upper waterproof fabric (3) is positioned on the upper end surface of the composite base fabric (1), a lower waterproof fabric (2) is positioned on the lower end surface of the composite base fabric (1), a first anti-tear elastic band (4) is positioned inside the lower waterproof fabric (2), and a second anti-tear elastic band (5) is positioned inside the upper waterproof fabric (3). The composite base fabric (1) comprises an upper polyester fiber (6), an upper polypropylene yarn (7), an upper latex material (8), an upper resin material (9), a base fabric body (10), a lower latex material (11), a lower polyester fiber (12), a lower polypropylene yarn (13) and a lower resin material (14). The upper resin material (9) is located on the upper surface of the base fabric body (10), the upper latex material (8) is located on the upper surface of the upper resin material (9), the upper polypropylene yarn material (7) is located on the upper surface of the upper latex material (8), the upper polyester fiber (6) is located on the lower surface of the upper polypropylene yarn material (7), the lower resin material (14) is located on the lower surface of the base fabric body (10), the lower latex material (11) is located on the lower surface of the lower resin material (14), the lower polypropylene yarn material (13) is located on the lower surface of the lower latex material (11), and the lower polyester fiber (12) is located on the lower surface of the lower polypropylene yarn material (13).

2. The waterproof and tear-resistant bulk bag base fabric according to claim 1, characterized in that: The lower waterproof fabric (2) comprises an upper waterproof film (15), an upper polyethylene film (16), a grey cloth (17), a lower polyethylene film (18) and a lower waterproof film (19); the lower polyethylene film (18) is located on the surface of the lower waterproof film (19); the grey cloth (17) is located on the surface of the lower polyethylene film (18); the upper polyethylene film (16) is located on the surface of the grey cloth (17); and the upper waterproof film (15) is located on the surface of the upper polyethylene film (16).

3. The waterproof and tear-resistant bulk bag base fabric according to claim 1, characterized in that: The composite base fabric (1), the lower waterproof fabric (2), and the upper waterproof fabric (3) are integrally formed through weaving.

4. The waterproof and tear-resistant bulk bag base fabric according to claim 1, characterized in that: The lower waterproof cloth (2) and the first anti-tear elastic band (4) are integrally formed by sewing, and the upper waterproof cloth (3) and the second anti-tear elastic band (5) are integrally formed by sewing.

5. The waterproof and tear-resistant bulk bag base fabric according to claim 1, characterized in that: The upper polyester fiber (6), the upper polypropylene yarn (7), the upper latex material (8), the upper resin material (9), the base fabric body (10), the lower latex material (11), the lower polyester fiber (12), the lower polypropylene yarn (13) and the lower resin material (14) are integrally formed by knitting.

6. The waterproof and tear-resistant bulk bag base fabric according to claim 2, characterized in that: The upper waterproof membrane (15), the upper polyethylene membrane (16), the grey cloth (17), the lower polyethylene membrane (18) and the lower waterproof membrane (19) are integrally formed by knitting.

7. A method for producing a waterproof and tear-resistant bulk bag base fabric, characterized in that: The specific steps include the following: S1: Material selection: prepare the materials needed to make the base fabric of the container bag, including composite knitted yarn, PVC resin, wood pulp, acetic acid, waterproof cloth, latex and dye; S2: Mixing and stirring: PVC resin, wood pulp and acetic acid are mixed to form triacetic acid material, and the material is dissolved. While the material is dissolved, latex is added, stirred and mixed with the waterproof cloth; S3: Composite spinning: After the dissolution operation is completed, filtration, degassing and dry spinning are performed. During the dry spinning, the composite knitting yarn is added to perform the spinning operation simultaneously; S4: Weaving: In the dry spinning step, the dry spinning is composite-woven with the composite knitting yarn prepared in advance to form a pull-resistant fabric; S5: Fabric forming: The anti-tear fabric made by spinning is combined with the waterproof cloth to make the base fabric of the container bag, and the surface of the base fabric is dyed with dyeing materials, and interlaced and rolled until it is formed and packaged.

8. The method for producing a waterproof and tear-resistant bulk bag base fabric according to claim 7, characterized in that: In the steps S1-S5, the waterproof and tear-resistant bulk bag base fabric is produced by combining composite knitted yarn, PVC resin, wood pulp, acetic acid and latex, and weaving a waterproof fabric on the outer layer to form it.

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