Liquid storage bag and uses thereof
A liquid bag and bag body technology, applied in the field of liquid bags, can solve the problems of not being able to meet the heat preservation requirements, poor high temperature resistance, dropping and adding ingredients, etc., and achieve the effects of convenient production, reduced transportation costs, and reduced transportation costs
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Embodiment 1
[0034] Polyphenylene sulfide resin is used to make a polyphenylene sulfide film with a thickness of 0.125 mm, and the prepared polyphenylene sulfide film is flattened in 4 layers and folded in half, and the three sides except the folded edge are heated to form a thickness of 0.5 mm. The inner bag of mm; adopting the polyphenylene sulfide yarn of 20s / 4 to weave into the polyphenylene sulfide plain woven fabric that warp direction density is 40 / inch, weft density is 28 / inch, the polyphenylene sulfide that will make Cover the inner bag with sulfide woven fabric, and sew it into an outer bag with a thickness of 0.75mm, so as to prevent the needle from piercing the inner bag; finally, connect the inner bag and the outer bag through a valve for material inlet and outlet, so that the valve is fixed On the upper surface of the liquid bag body. The prepared liquid bag was placed at a temperature of 20±2°C and a humidity of 65±4% for humidity conditioning treatment, and the characterist...
Embodiment 2
[0036] Using 20s / 2 polyphenylene sulfide yarn to weave into a polyphenylene sulfide plain woven fabric with a warp density of 65 threads / inch and a weft density of 45 threads / inch, after heating and melting the polyphenylene sulfide resin, Coating amount is 220g / m 2 Coated on the surface of the polyphenylene sulfide plain woven fabric, spread the obtained polyphenylene sulfide coated fabric and fold it in half, heat the three sides except the folded edge, and bond it into an inner bag with a thickness of 0.55mm; use 20s The polyphenylene sulfide yarn of / 6 is woven into a polyphenylene sulfide plain woven fabric with a warp density of 36 threads / inch and a weft density of 22 threads / inch, and the prepared polyphenylene sulfide woven fabric is wrapped in On the inner bag, an outer bag with a thickness of 0.75mm is sewn to avoid the needle from piercing the inner bag; finally, the inner bag and the outer bag are connected through two valves for feeding and discharging, so that t...
Embodiment 3
[0038] Use polyphenylene sulfide resin to make a polyphenylene sulfide film with a thickness of 0.25mm, lay the prepared polyphenylene sulfide film flat and fold it in half, heat the three sides except the folded edge, and bond it into a film with a thickness of 0.25mm Inner bag: use polyphenylene sulfide staple fibers with a fineness of 2.2 dtex to obtain polyphenylene sulfide nonwovens by needle punching, wrap the prepared polyphenylene sulfide nonwoven felt on the inner bag, and sew it into a thickness of 2.15 mm. mm outer bag, avoid the needle piercing the inner bag when sewing; finally, connect the inner bag and the outer bag through a valve for feeding and discharging, so that the valve is fixed on the lower surface of the liquid bag body. The prepared liquid bag was placed at a temperature of 20±2°C and a humidity of 65±4% for humidity conditioning treatment, and the characteristics of the outer bag and inner bag of the liquid bag were evaluated, and are shown in Table 1...
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