Breathable and ultraviolet-proof fabric and preparation method thereof
An anti-ultraviolet and fabric technology, applied in the field of garment fabric processing, can solve the problems of body feeling stuffy, reduce wearer comfort, poor air permeability, etc., and achieve the effects of reducing damage, improving sunscreen effect, and enhancing anti-light transmission.
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[0023] The invention provides a preparation method of a breathable and anti-ultraviolet fabric, comprising the following steps:
[0024] 1) Weaving the high elongation polyester fiber yarn into grey fabric; the high elongation is 15% to 30% of the elongation;
[0025] 2) The grey fabric is subjected to positive and negative pressure high-temperature conditioning treatment in a tension-free state to obtain a breathable and anti-ultraviolet fabric; the conditions of the high-temperature conditioning treatment are: temperature: 90-142°C, pressure: -0.1-1Mpa; The positive and negative pressure may be only positive pressure, only negative pressure, or both positive and negative pressure.
[0026] In the present invention, the high elongation polyester fiber yarn is weaved into grey fabric; the high elongation is 15% to 30% of the elongation. In the present invention, the high elongation polyester fiber yarn is preferably 120D / 132F polyester fiber. In the present invention, 120D / 1...
Embodiment 1
[0041] Raw material selection
[0042] Yarn: 120D / 132F polyester.
[0043] weaving
[0044] Using 34-inch 32-needle single-sided weft knitting circular knitting machine, the specific operation is as follows:
[0045] (1) The needle row is: 12...
[0046] (2) The row triangle is: according to the way of 1 and 2, the needles are arranged, the two routes are one cycle, and the first and second routes are knitted into a circle;
[0047] (3) Threading: 108 routes are all made of this yarn, and after the threading is completed, weaving is carried out to obtain grey fabric.
[0048] High temperature quenching and tempering
[0049] The grey fabric is placed without tension, firstly under the condition of 142°C, 1Mpa for positive pressure for 90min, then under the condition of 142°C, -0.1Mpa for 30min under the condition of negative pressure, repeat the operation 3 times to obtain breathable, UV-resistant fabric.
Embodiment 2
[0051] The difference from Example 1 is that the process parameters during tension-free positive and negative pressure high-temperature conditioning are different, and the specific methods are as follows:
[0052] Raw material selection
[0053] Yarn: 120D / 132F polyester.
[0054] weaving
[0055] Using 34-inch 32-needle single-sided weft knitting circular knitting machine, the specific operation is as follows:
[0056] (1) The needle row is: 12......
[0057] (2) The row triangle is: according to the way of 12, the needle row is carried out, two routes are a cycle, and the first and second routes are knitted into a circle;
[0058] (3) Yarn threading: 108 routes are all of this yarn, and after thread threading is completed, weaving is performed to obtain grey fabric.
[0059] High temperature quenching and tempering
[0060] The grey fabric is first subjected to positive pressure at 130° C. and 0.8 Mpa for 270 minutes to obtain a breathable and anti-ultraviolet fabric.
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Abstract
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