Bulking core material and manufacturing process and application thereof
A technology of extruded core material and eccentric core, which is applied in non-woven fabrics, textiles and papermaking, etc., can solve the problems of low production efficiency and high cost, and achieve the effect of improving production efficiency, improving product level and dry surface
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Embodiment 1
[0052] The total weight of the expanded core material in this example is about 90g / ㎡, and the thickness is about 2.3mm. The specific raw materials and structure are as follows:
[0053]Cellulose fibers are selected from Weyerhauser NB416 or International Paper Supersoft M or Georgia Pacific 4821, 4822, 4823 or their mixtures, and the fiber length is about 2-5mm;
[0054] Bicomponent composite fiber is an eccentric bicomponent composite fiber provided by fibervison, in which the core layer is polypropylene (PP) or polyester (PET), the skin layer is polyethylene (PE), and the fiber length is about 3-6mm. Denier is about 3.0-10.0 decitex.
[0055] The extruded core material consists of three layers. The weight of the first layer accounts for about 15% of the total weight of the product, the weight of the second layer accounts for about 40% of the total weight of the product, and the weight of the third layer accounts for about 45% of the total weight of the product. And spray th...
Embodiment 2
[0059] The total weight of the expanded core material in this example is about 90g / ㎡, and the thickness is about 2.3mm. The specific raw materials and structure are as follows:
[0060] Cellulose fibers are selected from Weyerhauser NB416 or International Paper Supersoft M or Georgia Pacific 4821, 4822, 4823 or their mixtures, and the fiber length is about 2-5mm;
[0061] Two-component composite fiber is a co-core two-component composite fiber provided by fibervison. The core layer is polypropylene (PP) or polyester (PET), the skin layer is polyethylene (PE), and the fiber length is about 3-6mm. Denier is about 3.0-10.0 decitex.
[0062] The extruded core material includes three layers, the weight of the first layer accounts for about 15% of the total weight of the product, the weight of the second layer accounts for about 40% of the total weight of the product, and the weight of the third layer accounts for about 45% of the total weight of the product. And spray the emulsion...
Embodiment 3
[0066] The total weight of the expanded core material in this example is about 90g / ㎡, and the thickness is about 2.3mm. The specific raw materials and structure are as follows:
[0067] Cellulose fibers are selected from Weyerhauser NB416 or International Paper Supersoft M or Georgia Pacific 4821, 4822, 4823 or their mixtures, and the fiber length is about 2-5mm;
[0068] Bicomponent composite fiber is an eccentric bicomponent composite fiber provided by fibervison, in which the core layer is polypropylene (PP) or polyester (PET), the skin layer is polyethylene (PE), and the fiber length is about 3-6mm. Denier is about 3.0-10.0 decitex.
[0069] The extruded core material includes three layers, the weight of the first layer accounts for about 15% of the total weight of the product, the weight of the second layer accounts for about 40% of the total weight of the product, and the weight of the third layer accounts for about 45% of the total weight of the product. And spray the ...
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