Preparation technology of polyester anti-ultraviolet knitted fabric

Abstract

The invention discloses a preparation process of polyester anti-ultraviolet knitted fabrics, and relates to the technical field of polyester fabrics. The invention comprises the following steps: S1: preparing an anti-ultraviolet thread, mixing suitable fibers with anti-ultraviolet materials to form a pre-material; S2: pre-treating polyester so that the polyester has better blending performance; S3: mixing polyester with the pre-material to form the basic material of the knitted fabric; S4: using an SD‑G‑4A double-sided circular knitting machine for the basic material, wherein the machine number is 28 needles / 25.4mm, the simple diameter is 762mm (30"), and the needle dial needles are arranged in the ABAB order and the cylinder needles are arranged in the AABC order according to the rib needle arrangement. The invention prefabricates a plurality of different anti-ultraviolet threads, and then performs composite knitting and corresponding pretreatment on a plurality of different anti-ultraviolet threads according to the arrangement of the process preparation, thereby greatly improving the anti-ultraviolet performance of the subsequent knitted fabric after the finished product.

Description

Technical Field

[0001] The invention relates to the technical field of polyester fabrics, in particular to a preparation process of polyester UV-proof knitted fabrics. Background Art

[0002] Fabric is the material used to make clothing. As one of the three elements of clothing, fabric can not only interpret the style and characteristics of clothing, but also directly influence the color and shape of clothing.

[0003] Long-term exposure to ultraviolet rays from the sun can cause melanin deposition in the skin, which can easily lead to some skin diseases. Therefore, it is often necessary to set up anti-ultraviolet settings on the fabric.

[0004] Referring to the authorized patent number "CN111118661A" for "a biomass UV-proof fabric, its preparation method and product", it can be seen that the existing fabrics have the technical deficiencies of "poor UV resistance and easy aging when used outdoors or in an environment with strong UV light", and therefore lack the corresponding preparation process. Summary of the invention

[0005] The purpose of the present invention is to provide a preparation process of polyester UV-proof knitted fabric to solve the problems raised in the background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a preparation process of polyester UV protection knitted fabric, comprising the following steps:

[0007] S1: preparing an anti-ultraviolet line body, mixing suitable fibers with anti-ultraviolet materials to form a pre-material;

[0008] S2: Pre-treat polyester to make it have better blending properties;

[0009] S3: polyester is mixed with the prepared material to form the base material of the knitted fabric;

[0010] S4: The base material is processed by SD-G-4A double-sided circular knitting machine, and the machine gauge is 28 needles.

[0011] / 25.4mm, the simple diameter is 762mm (30"), according to the rib needle arrangement, the needle dial needles are arranged in the order of ABAB, and the cylinder needles are arranged in the order of AABC, to weave the basic fabric;

[0012] S5: singeing treatment of the base fabric;

[0013] S6: Perform scouring and bleaching treatment on the base fabric after singeing treatment;

[0014] S7: performing alkali shrinkage treatment on the base fabric after scouring and bleaching;

[0015] S8: waxing the base fabric after alkali shrinkage treatment;

[0016] S9: Perform shrink-proof preparation on the waxed base fabric to form the final knitted fabric.

[0017] Preferably, the preparation of the UV-resistant thread comprises at least the following steps:

[0018] Use 15-23 parts of liquid nano titanium dioxide;

[0019] 30-37 parts of ethanol;

[0020] 16-19 parts of cotton fiber;

[0021] Dissolving liquid nano titanium dioxide in ethanol to form a first preparation liquid, selecting suitable cotton fibers, immersing the cotton fibers in the first preparation liquid, heating the first preparation liquid to 140-220° C., immersing and adsorbing for 2-16 hours, and taking out and drying after immersion to prepare an ultraviolet reflective body;

[0022] Using 21-33 parts of modified elastic fiber;

[0023] 10-20 parts of ultrafine zinc oxide particles;

[0024] CIBAFAST PEX 15-17 parts;

[0025] HERST HTUV-20020-30 copies;

[0026] 15-20 parts of benzotriazole;

[0027] 40-60 parts of ester spinning solution;

[0028] Ultrafine zinc oxide particles, CIBAFAST PEX, HERST HTUV-200 and benzotriazole are blended into the ester spinning solution, and the ester spinning solution is continuously heated to 145-150° C. during the blending process, and the spinning solution is prepared at 300-450 r / min for 35-72 minutes.

[0029] The modified elastic fiber is immersed in the second preparation liquid, and after the immersion is completed, it is taken out and dried to prepare an ultraviolet ray absorbing body.

[0030] Preferably, the pretreatment of polyester comprises at least the following steps: desizing and refining, alkali reduction, soaping, fiber opening, washing, relaxation and drying, characterization, softening treatment, drying, pre-forming, sanding, soft stretching and characterization.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] The present invention prefabricates a variety of different UV protection threads, and then performs composite knitting and corresponding pretreatment on the different UV protection threads according to the process preparation arrangement, thereby greatly improving the UV protection performance of subsequent knitted fabric products. DETAILED DESCRIPTION

[0033] Implementation 1:

[0034] The preparation process of polyester anti-ultraviolet knitted fabric comprises the following steps:

[0035] S1: preparing an anti-ultraviolet line body, mixing suitable fibers with anti-ultraviolet materials to form a pre-material;

[0036] S2: Pre-treat polyester to make it have better blending properties;

[0037] S3: polyester is mixed with the prepared material to form the base material of the knitted fabric;

[0038] S4: The base material is processed by SD-G-4A double-sided circular knitting machine, and the machine gauge is 28 needles.

[0039] / 25.4mm, the simple diameter is 762mm (30"), according to the rib needle arrangement, the needle dial needles are arranged in the order of ABAB, and the cylinder needles are arranged in the order of AABC, to weave the basic fabric;

[0040] S5: singeing treatment of the base fabric;

[0041] S6: Perform scouring and bleaching treatment on the base fabric after singeing treatment;

[0042] S7: performing alkali shrinkage treatment on the base fabric after scouring and bleaching;

[0043] S8: waxing the base fabric after alkali shrinkage treatment;

[0044] S9: Perform shrink-proof preparation on the waxed base fabric to form the final knitted fabric.

[0045] The preparation of the UV-resistant thread body comprises at least the following steps:

[0046] Use 15 parts of liquid nano titanium dioxide;

[0047] 30 parts of ethanol;

[0048] 16 parts of cotton fiber;

[0049] Dissolving liquid nano titanium dioxide in ethanol to form a first preparation liquid, selecting suitable cotton fibers, immersing the cotton fibers in the first preparation liquid, heating the first preparation liquid to 140-220° C., immersing and adsorbing for 2-16 hours, and taking out and drying after immersion to prepare an ultraviolet reflective body;

[0050] Using 21 parts of modified elastic fiber;

[0051] 10 parts of ultrafine zinc oxide particles;

[0052] CIBAFAST PEX 15 parts;

[0053] HERST HTUV-20020 copies;

[0054] 15 parts of benzotriazole;

[0055] 40 parts of ester spinning solution;

[0056] Ultrafine zinc oxide particles, CIBAFAST PEX, HERST HTUV-200 and benzotriazole are blended into the ester spinning solution, and the ester spinning solution is continuously heated to 145° C. during the blending process, and the spinning solution is prepared at 300 r / min for 35 minutes to form a second preparation solution;

[0057] The modified elastic fiber is immersed in the second preparation liquid, and after the immersion is completed, it is taken out and dried to prepare an ultraviolet ray absorbing body.

[0058] The pretreatment of polyester includes at least the following steps: desizing and refining, alkali reduction, soaping, fiber opening, washing, relaxation and drying, qualitative treatment, softening treatment, drying, pre-forming, grinding, soft stretching and qualitative treatment.

[0059] Implementation 2:

[0060] The preparation process of polyester anti-ultraviolet knitted fabric comprises the following steps:

[0061] S1: preparing an anti-ultraviolet line body, mixing suitable fibers with anti-ultraviolet materials to form a pre-material;

[0062] S2: Pre-treat polyester to make it have better blending properties;

[0063] S3: polyester is mixed with the prepared material to form the base material of the knitted fabric;

[0064] S4: The base material is processed by SD-G-4A double-sided circular knitting machine, and the machine gauge is 28 needles.

[0065] / 25.4mm, the simple diameter is 762mm (30"), according to the rib needle arrangement, the needle dial needles are arranged in the order of ABAB, and the cylinder needles are arranged in the order of AABC, to weave the basic fabric;

[0066] S5: singeing treatment of the base fabric;

[0067] S6: Perform scouring and bleaching treatment on the base fabric after singeing treatment;

[0068] S7: performing alkali shrinkage treatment on the base fabric after scouring and bleaching;

[0069] S8: waxing the base fabric after alkali shrinkage treatment;

[0070] S9: Perform shrink-proof preparation on the waxed base fabric to form the final knitted fabric.

[0071] The preparation of the UV-resistant thread body comprises at least the following steps:

[0072] Use 23 parts of liquid nano titanium dioxide;

[0073] 37 parts of ethanol;

[0074] 19 parts of cotton fiber;

[0075] Dissolving liquid nano titanium dioxide in ethanol to form a first preparation liquid, selecting suitable cotton fibers, immersing the cotton fibers in the first preparation liquid, heating the first preparation liquid to 220° C., immersing and adsorbing for 16 hours, and taking out and drying after immersion to prepare an ultraviolet reflective body;

[0076] Using 33 parts of modified elastic fiber;

[0077] 20 parts of ultrafine zinc oxide particles;

[0078] CIBAFAST PEX 17 parts;

[0079] HERST HTUV-200 30 copies;

[0080] 20 parts of benzotriazole;

[0081] 60 parts of ester spinning solution;

[0082] Ultrafine zinc oxide particles, CIBAFAST PEX, HERST HTUV-200 and benzotriazole are blended into the ester spinning solution, and the ester spinning solution is continuously heated to 150° C. during the blending process, and the spinning process is performed at 450 r / min for 72 minutes to form a second preparation solution;

[0083] The modified elastic fiber is immersed in the second preparation liquid, and after the immersion is completed, it is taken out and dried to prepare an ultraviolet ray absorbing body.

[0084] The pretreatment of polyester includes at least the following steps: desizing and refining, alkali reduction, soaping, fiber opening, washing, relaxation and drying, qualitative treatment, softening treatment, drying, pre-forming, grinding, soft stretching and qualitative treatment.

[0085] Implementation three:

[0086] The preparation process of polyester anti-ultraviolet knitted fabric comprises the following steps:

[0087] S1: preparing an anti-ultraviolet line body, mixing suitable fibers with anti-ultraviolet materials to form a pre-material;

[0088] S2: Pre-treat polyester to make it have better blending properties;

[0089] S3: polyester is mixed with the prepared material to form the base material of the knitted fabric;

[0090] S4: The base material is processed by SD-G-4A double-sided circular knitting machine, and the machine gauge is 28 needles.

[0091] / 25.4mm, the simple diameter is 762mm (30"), according to the rib needle arrangement, the needle dial needles are arranged in the order of ABAB, and the cylinder needles are arranged in the order of AABC, to weave the basic fabric;

[0092] S5: singeing treatment of the base fabric;

[0093] S6: Perform scouring and bleaching treatment on the base fabric after singeing treatment;

[0094] S7: performing alkali shrinkage treatment on the base fabric after scouring and bleaching;

[0095] S8: waxing the base fabric after alkali shrinkage treatment;

[0096] S9: Perform shrink-proof preparation on the waxed base fabric to form the final knitted fabric.

[0097] The preparation of the UV-resistant thread body comprises at least the following steps:

[0098] Use 22 parts of liquid nano titanium dioxide;

[0099] 34 parts of ethanol;

[0100] 18 parts of cotton fiber;

[0101] Dissolving liquid nano titanium dioxide in ethanol to form a first preparation liquid, selecting suitable cotton fibers, immersing the cotton fibers in the first preparation liquid, heating the first preparation liquid to 170° C., immersing and adsorbing for 11 hours, and taking out and drying after the immersion is completed to prepare an ultraviolet reflective body;

[0102] Using 26 parts of modified elastic fiber;

[0103] 17 parts of ultra-fine zinc oxide particles;

[0104] CIBAFAST PEX 16 parts;

[0105] HERST HTUV-20025 copies;

[0106] 18 parts of benzotriazole;

[0107] 50 parts of ester spinning solution;

[0108] Ultrafine zinc oxide particles, CIBAFAST PEX, HERST HTUV-200 and benzotriazole are blended into the ester spinning solution, and the ester spinning solution is continuously heated to 147° C. during the blending process, and the spinning solution is prepared at 400 r / min for 60 minutes to form a second preparation solution;

[0109] The modified elastic fiber is immersed in the second preparation liquid, and after the immersion is completed, it is taken out and dried to prepare an ultraviolet ray absorbing body.

[0110] The pretreatment of polyester includes at least the following steps: desizing and refining, alkali reduction, soaping, fiber opening, washing, relaxation and drying, qualitative treatment, softening treatment, drying, pre-forming, grinding, soft stretching and qualitative treatment.

[0111] The ultraviolet reflecting line body and the ultraviolet absorbing line body are used in combination, the ultraviolet reflecting line body and the ultraviolet absorbing line body are twisted, and after twisting, they are twisted again with the polyester fiber;

[0112] Utilizes the coordinated design of absorption and radiation to form a better UV protection fabric.

[0113] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. The preparation process of polyester anti-ultraviolet knitted fabric is characterized by: The following steps are involved: S1: preparing an anti-ultraviolet line body, mixing suitable fibers with anti-ultraviolet materials to form a pre-material; The preparation of the UV-resistant thread body comprises at least the following steps: Use 15-23 parts of liquid nano titanium dioxide; 30-37 parts of ethanol; 16-19 parts of cotton fiber; Dissolving liquid nano titanium dioxide in ethanol to form a first preparation liquid, selecting suitable cotton fibers, immersing the cotton fibers in the first preparation liquid, heating the first preparation liquid to 140-220° C., immersing and adsorbing for 2-16 hours, and taking out and drying after immersion to prepare an ultraviolet reflective body; Using 21-33 parts of modified elastic fiber; 10-20 parts of ultrafine zinc oxide particles; CIBAFAST PEX 15-17 parts; HERST HTUV-20020-30 copies; 15-20 parts of benzotriazole; 40-60 parts of ester spinning solution; Ultrafine zinc oxide particles, CIBAFAST PEX, HERST HTUV-200 and benzotriazole are blended into the ester spinning solution, and the ester spinning solution is continuously heated to 145-150° C. during the blending process, and the spinning solution is prepared at 300-450 r / min for 35-72 minutes. The modified elastic fiber is immersed in the second preparation liquid, and after the immersion is completed, it is taken out and dried to prepare an ultraviolet ray absorbing body; S2: Pre-treat polyester to make it have better blending properties; S3: polyester is mixed with the prepared material to form the base material of the knitted fabric; S4: The basic material is woven using a SD-G-4A double-sided circular knitting machine with a machine gauge of 28 needles / 25.4mm and a simple diameter of 762mm (30"), and the needles of the dial are arranged in the order of ABAB and the needles of the cylinder are arranged in the order of AABC to form the basic fabric; S5: singeing treatment of the base fabric; S6: Perform scouring and bleaching treatment on the base fabric after singeing treatment; S7: performing alkali shrinkage treatment on the base fabric after scouring and bleaching; S8: waxing the base fabric after alkali shrinkage treatment; S9: Perform shrink-proof preparation on the waxed base fabric to form the final knitted fabric.

2. The process for preparing the polyester UV-proof knitted fabric according to claim 1, characterized in that: The pretreatment of polyester at least comprises the following steps: desizing and refining, alkali reduction, soaping, fiber opening, washing, relaxation and drying, characterization, softening treatment, drying, pre-forming, grinding, soft stretching and characterization.