Natural fiber health-care board and preparation method thereof
A natural fiber, health care board technology, applied in the field of composite boards, can solve problems such as delamination, and achieve the effect of ensuring durability, good elasticity and elastic recovery, and convenient handling and transportation.
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Embodiment 1
[0042] In the first step, each component is weighed according to the ratio of 10% PP fiber and 90% elastic chemical fiber, opened and mixed, pre-formed, carded, air-laid, and needle-punched to prepare the upper surface layer 1 without Spinning layer, the needle cloth needle density in the needle punching process is 1000 pieces / m, the needle punching frequency is 1500 times / min, and the speed is 2 m / min.
[0043] The second step: according to the ratio of 20% ES fiber, 60% flax fiber, and 20% bamboo charcoal fiber, weighing, opening and mixing, pre-forming, carding, and air-forming the middle layer 2, wherein the pre-forming , carding, air-laid process speed is 5m / min;
[0044] The third step: the non-woven layer prepared by step S01 and the intermediate layer 2 prepared by step S02 according to figure 1 Lay together in the order shown, and then enter the oven together, cold rolling, cooling, cutting, inspection and packaging, the oven temperature is 230°C, the baking time in ...
Embodiment 2
[0048] In the first step, each component is weighed according to the ratio of 40% PE / PET sheath-core fiber and 60% jute fiber, opened and mixed, pre-formed, carded, air-laid, and needle-punched to prepare the upper surface layer 1, the needle cloth needle density in the acupuncture process is 3000 pieces / m, the acupuncture frequency is 1000 times / min, and the speed is 10 m / min;
[0049] The second step: according to the ratio of 30% ES fiber, 20% jute fiber, and 50% coconut palm fiber, weighing, opening and mixing, pre-forming, carding, and air-laid to make the middle layer 2, wherein the pre-formed The speed of netting, carding and air-laid process is 10m / min;
[0050] The third step: the non-woven layer prepared by step S01 and the intermediate layer 2 prepared by step S02 according to figure 1 Lay together in the order shown, and then enter the oven together, cold rolling, cooling, cutting, inspection and packaging, the oven temperature is 210°C, the baking time in the ove...
Embodiment 3
[0054] In the first step, each component is weighed according to the ratio of 25% 4080 fiber, 45% elastic chemical fiber, and 30% kenaf fiber, opened and mixed, pre-formed, carded, air-laid, needle-punched, and prepared separately. Get the non-woven layer of the lower surface layer 3, the needle cloth needle density in the acupuncture process is 5000 pieces / m, the acupuncture frequency is 100 times / min, and the speed is 18 m / min;
[0055] The second step: according to the ratio of 40% PE / PET core fiber, 20% sisal fiber, 10% palm fiber, 30% coconut shell fiber, weighing, opening and mixing, pre-forming, carding, airflow The intermediate layer 2 is obtained by forming a net, wherein the speed of pre-forming, carding and air-forming process is 18m / min;
[0056] The third step: the non-woven layer prepared by step S01 and the intermediate layer 2 prepared by step S02 according to figure 2 Lay together in the order shown, and then enter the oven together, cold rolling, cooling, c...
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