Waterproof and anti-tearing container bag base cloth

Abstract

The utility model discloses waterproof and anti-tearing flexible freight bag base cloth which comprises composite base cloth, upper-layer waterproof cloth is positioned on the surface of the upper end of the composite base cloth, lower-layer waterproof cloth is positioned on the surface of the lower end 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, 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] This utility model relates to the field of container bag base fabric technology, and in particular to a waterproof and tear-resistant container bag base fabric. Background Technology

[0002] FIBC (Flexible Intermediate Bulk Container) base fabric is a type of flexible transport packaging container with advantages such as moisture resistance, dust resistance, radiation resistance, and robust safety. It also has sufficient structural strength. FIBCs are generally made of polyester fibers such as polypropylene and polyethylene. With the continuous development of technology, people have increasingly higher requirements for the manufacturing process of FIBC base fabric.

[0003] Existing FIBC (Flexible Intermediate Bulk Container) base fabrics have certain drawbacks in use. First, their structure is relatively simple, their tensile strength is poor, and they are prone to damage, which is not conducive to their use. In addition, the surface waterproof performance of existing FIBC base fabrics is not good, which brings certain adverse effects to the use process. Therefore, we propose a waterproof and tear-resistant FIBC base fabric. Utility Model Content

[0004] Technical problem solved: In view of the shortcomings of the prior art, this utility model provides a waterproof and tear-resistant container bag base fabric, which combines composite knitted yarn, PVC resin, wood pulp, acetate and latex, and forms a waterproof fabric on the outer layer. It has the effects of tensile strength and waterproofness, increases the service life of the base fabric, and has better packing performance, which can effectively solve the problems in the background art.

[0005] Technical Solution: To achieve the above objectives, the technical solution adopted by this utility model is as follows: a waterproof and tear-resistant container bag base fabric, comprising a composite base fabric, wherein an upper waterproof fabric is positioned on the upper surface of the composite base fabric, a lower waterproof fabric is positioned on the lower surface of the composite base fabric, a first tensile-resistant elastic band is positioned inside the lower waterproof fabric, and a second tensile-resistant elastic band is positioned inside the upper waterproof fabric. The composite base fabric comprises upper polyester fiber, upper polypropylene yarn, upper latex material, upper resin material, base fabric body, lower latex material, lower polyester fiber, lower polypropylene yarn, and 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 this application, the lower waterproof fabric includes an upper waterproof membrane, an upper polyethylene membrane, a raw fabric, a lower polyethylene membrane, and a lower waterproof membrane. The lower polyethylene membrane is located on the surface of the lower waterproof membrane, the raw fabric is located on the surface of the lower polyethylene membrane, the upper polyethylene membrane is located on the surface of the raw fabric, and the upper waterproof membrane is located on the surface of the upper polyethylene membrane.

[0007] As a preferred technical solution of this application, the composite base fabric, the lower waterproof fabric, and the upper waterproof fabric are integrally formed by weaving.

[0008] As a preferred technical solution of this application, the lower waterproof fabric and the first tensile elastic band are integrally formed by sewing, and the upper waterproof fabric and the second tensile elastic band are integrally formed by sewing.

[0009] As a preferred technical solution of this application, the upper polyester fiber, upper polypropylene yarn, upper latex material, upper resin material, base fabric 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 this application, the upper waterproof membrane, upper polyethylene membrane, greige fabric, lower polyethylene membrane and lower waterproof membrane are integrally formed by knitting.

[0011] A method for producing a waterproof and tear-resistant FIBC (Flexible Intermediate Bulk Container) base fabric, specifically including the following steps:

[0012] S1: Material Selection: Prepare the materials needed to make the base fabric of the container bag, including composite knitting yarn, PVC resin, wood pulp, acetate, waterproof fabric, latex and dyeing agent;

[0013] S2: Mixing and stirring: Mix PVC resin, wood pulp and acetic acid to form triacetic acid material and dissolve it. While dissolving, add latex, stir and mix with waterproof cloth.

[0014] S3: Composite spinning: After the dissolution operation is completed, filtration, degassing and dry spinning are carried out. During dry spinning, composite knitted yarn is added and the spinning operation is carried out simultaneously.

[0015] S4: Weaving: In the dry spinning step, dry spinning is combined with pre-prepared composite knitting yarn to form a tensile-resistant fabric.

[0016] S5: Fabric forming: The tensile-resistant fabric made by spinning is combined with waterproof cloth to make the base fabric of the container bag. The surface of the base fabric is dyed with dye and then interlaced and rolled until it is formed and packaged.

[0017] As a preferred technical solution of this application, the production of the waterproof and tear-resistant container bag base fabric in steps S1-S5 involves combining composite knitted yarn, PVC resin, wood pulp, acetic acid and latex, and then weaving a waterproof fabric on the outer layer.

[0018] Beneficial Effects: Compared with the prior art, this utility model provides a waterproof and tear-resistant FIBC (Flexible Intermediate Bulk Container) base fabric with the following beneficial effects: This waterproof and tear-resistant FIBC base fabric combines composite knitted yarn, PVC resin, wood pulp, acetate, and latex, and forms a waterproof fabric woven on the outer layer. It has tensile strength and waterproof effect, increases the service life of the base fabric, and has better packing performance. The materials required for preparing the FIBC base fabric include composite knitted yarn, PVC resin, wood pulp, acetate, waterproof fabric, latex, and dyeing agent; PVC resin, wood pulp, and acetate are mixed to form triacetic acid material, and then dissolved. While dissolving, latex is added, stirred, and mixed with the waterproof fabric. After dissolving, the mixture is filtered, degassed, and dry-spun. During dry spinning, composite knitted yarn is added and spun simultaneously. In the dry spinning step, the dry-spun yarn is woven with the pre-prepared composite knitted yarn to form a tensile-resistant fabric. The tensile-resistant fabric is combined with the waterproof fabric to make the base fabric for the container bag. The surface of the base fabric is then dyed with dye, and interlacing and rolling operations are performed until it is formed and packaged. The entire container bag base fabric has a simple structure, is easy to operate, and performs better than traditional methods. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the waterproof and tear-resistant container bag base fabric of this utility model.

[0020] Figure 2 This is a schematic diagram showing the overall disassembled structure of the base fabric of the waterproof and tear-resistant container bag according to this utility model.

[0021] Figure 3 This is a schematic diagram of the composite base fabric in the waterproof and tear-resistant container bag base fabric of this utility model.

[0022] Figure 4 This is a schematic diagram of the structure of the waterproof fabric in the base fabric of a waterproof and tear-resistant container bag according to this utility model.

[0023] Figure 5 This is a schematic diagram illustrating the production method of a waterproof and tear-resistant container bag base fabric according to this utility model.

[0024] In the diagram: 1. Composite base fabric; 2. Lower waterproof fabric; 3. Upper waterproof fabric; 4. First tensile elastic band; 5. Second tensile 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. Greige fabric; 18. Lower polyethylene film; 19. Lower waterproof membrane. Detailed Implementation

[0025] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the embodiments described below are only some embodiments of this utility model, not all embodiments, and are only used to illustrate this utility model, and should not be regarded as limiting the scope of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Where specific conditions are not specified in the embodiments, conventional conditions or conditions recommended by the manufacturer shall be followed. Where the manufacturers of reagents or instruments are not specified, they are all conventional products that can be purchased commercially.

[0026] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

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

[0029] By combining composite knitted yarn, PVC resin, wood pulp, acetate and latex, and then weaving a waterproof fabric on the outer layer, it has the effects of tensile strength and waterproofing, increases the service life of the base fabric, and has better packing performance.

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

[0031] Furthermore, the composite base fabric 1 is integrally formed with the lower waterproof fabric 2 and the upper waterproof fabric 3 through a weaving process.

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

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

[0034] Furthermore, the upper waterproof membrane 15, the upper polyethylene membrane 16, the greige fabric 17, the lower polyethylene membrane 18, and the lower waterproof membrane 19 are integrally formed through a knitting process.

[0035] A method for producing a waterproof and tear-resistant FIBC (Flexible Intermediate Bulk Container) base fabric, specifically including the following steps:

[0036] S1: Material Selection: Prepare the materials needed to make the base fabric of the container bag, including composite knitting yarn, PVC resin, wood pulp, acetate, waterproof fabric, latex and dyeing agent;

[0037] S2: Mixing and stirring: Mix PVC resin, wood pulp and acetic acid to form triacetic acid material and dissolve it. While dissolving, add latex, stir and mix with waterproof cloth.

[0038] S3: Composite spinning: After the dissolution operation is completed, filtration, degassing and dry spinning are carried out. During dry spinning, composite knitted yarn is added and the spinning operation is carried out simultaneously.

[0039] S4: Weaving: In the dry spinning step, dry spinning is combined with pre-prepared composite knitting yarn to form a tensile-resistant fabric.

[0040] S5: Fabric forming: The tensile-resistant fabric made by spinning is combined with waterproof cloth to make the base fabric of the container bag. The surface of the base fabric is dyed with dye and then interlaced and rolled until it is formed and packaged.

[0041] Furthermore, in steps S1-S5, the production of the waterproof and tear-resistant container bag base fabric involves combining composite knitted yarn, PVC resin, wood pulp, acetate, and latex, and then weaving a waterproof fabric on the outer layer.

[0042] Example 1:

[0043] Material selection: Prepare the materials needed to make the base fabric of the container bag, including composite knitted yarn, PVC resin, wood pulp, acetate, waterproof fabric, latex and dyeing agent, wherein the composite knitted yarn accounts for 30%, the PVC resin accounts for 18%, the wood pulp accounts for 15%, the acetate accounts for 12%, the waterproof fabric accounts for 15%, the latex accounts for 5%, and the dyeing agent accounts for 5%.

[0044] S2: Mixing and stirring: Mix 18% PVC resin, 15% wood pulp and 12% acetic acid to form triacetic acid material and dissolve it. While dissolving, add 5% latex, stir and mix with 15% waterproof cloth.

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

[0046] S4: Weaving: In the dry spinning step, dry spinning is combined with pre-prepared composite knitting yarn to form a tensile-resistant fabric.

[0047] S5: Fabric forming: The tensile-resistant fabric made by spinning is combined with waterproof cloth to make the base fabric of the container bag. The surface of the base fabric is dyed with dye and then interlaced and rolled until it is formed and packaged.

[0048] Example 2:

[0049] Material selection: Prepare the materials needed to make the base fabric of the container bag, including composite knitted yarn, PVC resin, wood pulp, acetate, waterproof fabric, latex and dyeing agent, wherein the composite knitted yarn accounts for 32%, the PVC resin accounts for 16%, the wood pulp accounts for 17%, the acetate accounts for 10%, the waterproof fabric accounts for 13%, the latex accounts for 6%, and the dyeing agent accounts for 6%.

[0050] S2: Mixing and stirring: Mix 16% PVC resin, 17% wood pulp and 10% acetic acid to form triacetic acid material and dissolve it. While dissolving, add 6% latex, stir and mix with 13% waterproof cloth.

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

[0052] S4: Weaving: In the dry spinning step, dry spinning is combined with pre-prepared composite knitting yarn to form a tensile-resistant fabric.

[0053] S5: Fabric forming: The tensile-resistant fabric made by spinning is combined with waterproof cloth to make the base fabric of the container bag. The surface of the base fabric is dyed with dye and then interlaced and rolled until it is formed and packaged.

[0054] Example 3:

[0055] Material selection: Prepare the materials needed to make the base fabric of the container bag, including composite knitted yarn, PVC resin, wood pulp, acetate, waterproof fabric, latex and dyeing agent, wherein the composite knitted yarn accounts for 35%, the PVC resin accounts for 15%, the wood pulp accounts for 14%, the acetate accounts for 11%, the waterproof fabric accounts for 16%, the latex accounts for 5%, and the dyeing agent accounts for 4%.

[0056] S2: Mixing and stirring: Mix 15% PVC resin, 14% wood pulp and 11% acetic acid to form triacetic acid material and dissolve it. While dissolving, add 5% latex, stir and mix with 16% waterproof cloth.

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

[0058] S4: Weaving: In the dry spinning step, dry spinning is combined with pre-prepared composite knitting yarn to form a tensile-resistant fabric.

[0059] S5: Fabric forming: The tensile-resistant fabric made by spinning is combined with waterproof cloth to make the base fabric of the container bag. The surface of the base fabric is dyed with dye and then interlaced and rolled until it is formed and packaged.

[0060]

[0061] As can be seen from the table, the use of composite knitted yarn greatly improves the tensile strength of the FIBC base fabric.

[0062] Working Principle: This utility model includes a composite base fabric 1, a lower waterproof fabric 2, an upper waterproof fabric 3, a first tensile elastic band 4, a second tensile 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 membrane 15, an upper polyethylene film 16, a grey fabric 17, a lower polyethylene film 18, and a lower waterproof membrane 19. The materials needed to prepare the base fabric of the container bag include composite knitted yarn, PVC resin, wood pulp, acetate, waterproof fabric, latex, and dyeing agents. The PVC resin, wood pulp, and acetate are mixed to form a triacetic acid material, and then dissolved. During dissolution, latex is added... The adhesive is stirred and mixed with the waterproof fabric. After dissolution, it is filtered, degassed, and dry-spun. During dry spinning, composite knitted yarn is added and spun simultaneously. In the dry spinning step, the dry-spun yarn is woven with the pre-prepared composite knitted yarn to form a tensile-resistant fabric. The tensile-resistant fabric is combined with the waterproof fabric to make the base fabric of the container bag. The surface of the base fabric is dyed with dye, and then interlaced and rolled until it is formed and packaged. The composite knitted yarn, PVC resin, wood pulp, acetate, and latex are combined and woven into the outer waterproof fabric to form a tensile-resistant and waterproof effect, increasing the service life of the base fabric and improving its packaging performance.

[0063] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0064] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A waterproof and tear-resistant FIBC (Flexible Intermediate Bulk Container) base fabric, comprising a composite base fabric (1), characterized in that: The upper surface of the composite base fabric (1) is provided with an upper waterproof fabric (3), and the lower surface of the composite base fabric (1) is provided with a lower waterproof fabric (2). The lower waterproof fabric (2) is provided with a first tensile elastic band (4) inside, and the upper waterproof fabric (3) is provided with a second tensile elastic band (5) inside. The composite base fabric (1) includes 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 (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 (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 (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 (13).

2. The waterproof and tear-resistant FIBC (Flexible Intermediate Bulk Container) base fabric according to claim 1, characterized in that: The lower waterproof membrane (2) includes an upper waterproof membrane (15), an upper polyethylene membrane (16), a greige fabric (17), a lower polyethylene membrane (18), and a lower waterproof membrane (19). The lower polyethylene membrane (18) is located on the surface of the lower waterproof membrane (19), the greige fabric (17) is located on the surface of the lower polyethylene membrane (18), the upper polyethylene membrane (16) is located on the surface of the greige fabric (17), and the upper waterproof membrane (15) is located on the surface of the upper polyethylene membrane (16).

3. The waterproof and tear-resistant FIBC (Flexible Intermediate Bulk Container) base fabric according to claim 1, characterized in that: The composite base fabric (1) is integrally formed with the lower waterproof fabric (2) and the upper waterproof fabric (3) through weaving.

4. The waterproof and tear-resistant FIBC (Flexible Intermediate Bulk Container) base fabric according to claim 1, characterized in that: The lower waterproof fabric (2) and the first tensile elastic band (4) are integrally formed by sewing, and the upper waterproof fabric (3) and the second tensile elastic band (5) are integrally formed by sewing.

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

6. The waterproof and tear-resistant FIBC (Flexible Intermediate Bulk Container) base fabric according to claim 2, characterized in that: The upper waterproof membrane (15), upper polyethylene membrane (16), greige fabric (17), lower polyethylene membrane (18), and lower waterproof membrane (19) are integrally formed by knitting.

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