Non-woven fabric wet-laid process
A wet-laid and non-woven fabric technology, applied in textiles and papermaking, paper machines, papermaking, etc., can solve the problems of product strength, hygroscopicity and hand feeling, and achieve heat resistance and heat insulation effect and flame retardancy Good, good uniformity, superior filtering effect
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[0015] The process of the present invention will be further described below in conjunction with specific examples.
[0016] A non-woven fabric wet-laid process, using natural fibers and synthetic fibers as the main raw materials, opening the fiber raw materials placed in the water medium into single fibers, and at the same time mixing different fiber raw materials to make fiber suspension slurry, suspending The pulp is transported to the web forming mechanism, and the fibers are formed into a web in a wet state and then reinforced into a cloth. The specific steps are as follows:
[0017] (1) Raw material inspection: The raw material fiber is screened by a vibrating screen, and the vibration frequency of the vibrating screen is controlled at 200-600 times / min;
[0018] (2) Soaking: Soak the raw material fibers in deionized water, the water temperature is controlled at about 30°C, add a polyamide-based hydrophilic fiber treatment agent accounting for 0.5% to 5% of the deionized ...
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