Natural colored surface layer sanitary napkin
A technology for sanitary napkins and colored surfaces, applied in the field of sanitary products, can solve the problems of increased dyeing process, dye pollution, long production process, etc., and achieve the effects of reducing infection, increasing air permeability, and increasing moisture conduction speed.
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Embodiment 1
[0027] refer to figure 1 , the present embodiment provides a sanitary napkin with a natural color surface layer, including a sanitary napkin body, the sanitary napkin body consists of a leak-proof side 1, a skin-friendly surface layer 2, an absorbent core 3 and a breathable bottom film 4 from top to bottom , the skin-friendly surface layer 2 is a colored spunlace nonwoven fabric, and the colored spunlace nonwoven fabric is made by the following process:
[0028] a. Feeding, choose brown natural colored cotton fiber with a fiber length of 30mm and a fineness of 1.65dtex as raw material 1, and soybean protein fiber with a fiber length of 35-38mm and a fineness of 1.27dtex as raw material 2. The machine feeds the aforementioned two raw materials separately;
[0029] b. Opening, opening the fed fibers and removing impurities;
[0030] c. Pre-carding, using a multi-carding machine to pre-card the fed fibers respectively;
[0031] d. Combing, the pre-carded natural colored cotton...
Embodiment 2
[0039] This embodiment provides a natural colored surface layer sanitary napkin based on the same inventive concept as Embodiment 1, and its difference from Embodiment 1 is:
[0040] The following steps are also included between the step g and the step h:
[0041] For antibacterial treatment, the colored spunlace non-woven fabric is sprayed with an antibacterial solution by spraying equipment, and then dried for the second time. The drying temperature is 70°C, and the moisture regain after drying is controlled between 6% and 9%.
[0042] Wherein, the antibacterial solution is prepared by containing 1-2g of chitosan, 1-2g of chitooligosaccharide and 2-4g of oxidized sodium alginate per 100ml of purified water.
[0043] The oxidized sodium alginate was prepared by the following method: take 4 g of sodium alginate to form an aqueous solution with a mass fraction of 4%, add 1.5 g of sodium periodate to protect from light and oxidize for 8 hours, then add 2 ml of ethylene glycol to...
Embodiment 3
[0046] refer to figure 2 , this embodiment is an improvement made on the basis of Embodiment 2. Specifically, the upper and lower surfaces of the colored spunlace nonwoven fabric are embossed by a 3D three-dimensional embossing device before winding to form a 3D three-dimensional Embossed structure, the pattern formed by the 3D three-dimensional embossed structure on the upper and lower surfaces of the colored spunlace nonwoven fabric is symmetrical.
[0047] In this embodiment, a 3D three-dimensional pattern embossing structure is arranged on the upper and lower surfaces of the colored spunlace nonwoven fabric, which not only achieves a rapid flow diversion effect, but also enables a breathable channel between the absorbent core and the colored spunlace nonwoven fabric. Increase the air permeability of its use. Moreover, since the lower surface of the colored spunlace nonwoven fabric is also provided with a 3D stereographic embossing structure, there is a temporary storage s...
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Abstract
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