Raw material prescription for plant fiber yarn tube and method for producing the same
A plant fiber and yarn tube technology, which is applied in the raw material formula and preparation field of plant fiber yarn tube, can solve the problems of rising raw material costs, toxic gas pollution of the atmosphere, high cost, etc., and is conducive to market competition and popularization. Overcoming the hazards of the natural environment and benefiting the effect of comprehensive recycling
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[0015] The weight percentage of each component of the raw material formula is: 53%-65% of plant fiber particles, 15%-17% of starch, and 20%-30% of UF modified resin.
[0016] The plant fiber particles can be one or more of rice husk, bamboo, sawdust or corn stalk crushed particles, and the size of the particles is 40 mesh.
[0017] The preparation method of UF modified resin in the raw material formula is:
[0018] (1) The raw material formula weight percent of described UF modified resin is: urea CO (NH) 2 38%~40%, formaldehyde HCHO56%~58%, starch 3%~5%, polyvinyl alcohol PVA 0.005%~0.008%, ammonium chloride NH 4 Cl 0.005%~0.09%;
[0019] (2) Add formaldehyde, starch, polyvinyl alcohol PVA, and ammonium chloride to the reactor according to the ratio of the above-mentioned raw material formula, and add urea in multiple stages, and carry out polycondensation reaction in the reactor; the reaction temperature is controlled at 60°C ~94℃, the reaction time is 90min~120min. The ...
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