A kind of light conveyor belt and preparation method thereof
A technology for light conveyor belts and woven fabrics, applied in conveyors, chemical instruments and methods, transportation and packaging, etc., can solve the problems of unsatisfactory high-quality printed products, unstable dimensions of light conveyor belts, and large elongation of the belt body , to achieve the effect of overall tensile and peeling performance improvement, dimensional stability and long service life
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Embodiment 1
[0044] The invention is suitable for the fields with complex service conditions and high requirements on the longitudinal strength and dimensional stability of light conveyor belts, such as dyeing, finishing and printing, and the strength range under 1% longitudinal elongation is 40-80N / mm. The warp yarn of Kevlar woven fabric is 1000D Kevlar low-twist filament, including Kevlar29 and Kevlar49. The weft yarn is 1000D ultra-low shrinkage polyester multifilament. The basic structure used is plain weave with a width of 50cm. The warp yarn of the polyester woven fabric is 1000D ultra-low shrinkage polyester multifilament, and the weft yarn is 0.3mm polyester monofilament.
[0045] A light conveyor belt, comprising: Kevlar woven fabric, polyester woven fabric and polyurethane covering rubber layer, wherein Kevlar woven fabric is used as the middle skeleton layer, and two layers of polyester woven fabric are used as the first skeleton layer skeleton material and the bottom skeleton l...
Embodiment 2
[0051] A method for preparing a light conveyor belt, comprising:
[0052] (1) Kevlar woven fabric
[0053] The warp yarn is 1000D Kevlar49, the weft yarn is 1000D ultra-low shrinkage polyester multifilament, and the basic structure is plain weave;
[0054] (2) Sizing treatment of Kevlar woven fabric
[0055] Apply glue to the above fabric, and set it at 180°C for 2 to 3 minutes under tension, and observe the gloss and flatness of the glue;
[0056] (3) Polyester woven fabric
[0057] Polyester woven fabric skeleton material, warp and weft density 56 / 26 threads / inch;
[0058] (4) Preparation of three cloth and three glue finished products
[0059] Coating material: PU (polyurethane) primer glue (VP 6%, PU glue, L755%); PU powder, conductive PU;
[0060] Kevlar woven fabric PU primer after above-mentioned finalizing;
[0061] The polyester woven fabric is heated and pre-shaped under tension conditions, so that the cloth surface temperature reaches 180°C (pre-setting about ...
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