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PRODUCTING METHOD OF WATER-TISSUE

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  • Title:
    PRODUCTING METHOD OF WATER-TISSUE
  • Author: LEE, JUN HO ; LEE, KWON HYOK ; AHN, CHAN KYU
  • Subjects: APPARATUS THEREFOR ; IMPREGNATING OR COATING OF PAPER ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; PULP COMPOSITIONS ; REGENERATION OF PULPING LIQUORS ; TEXTILES ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
  • Description: The present invention relates to a method of manufacturing a wet tissue using a pulp for a bamboo paper which manufactures a base paper that enables to produce a paper rather than a fiber by pulping bamboo and produces a wet tissue using the paper, and more particularly, to a method which uses polyamide resin as a wet strength agent, makes the polyamide resin act as a binder for enhancing cohesive strength among pulps, and accordingly, enhances strength of a pulp up to strength of nonwoven fabric or fiber and maintains the enhanced strength. The method comprises: first step of putting a bleached pulp made of bamboo or unbleached pulp made of bamboo in a dissociating apparatus wherein the pulp of 2-30 wt% and water of 70-98 wt% are put into the dissociating apparatus to dissolve the pulp; second step of removing foreign substances from the dissociated pulp using a screening apparatus and cutting and splitting the screened pulp through a mashing apparatus; third step of putting polyamide resin-based wet strengthening agents, retention agents, and reinforcing agents into the mashed pulp in a weight ratio of 2-10 wt% and mixing the same evenly, wherein the wet strengthening agents of 40-80 wt%, the retention agents of 10-40 wt% and the reinforcing agents of rest weight percentage are added with respect to the total weight of 100% of the entire agents; fourth step of putting water to the mashed pulp until the pulp concentration becomes 0.1-1 wt%, mixing the water and pulp, and then screening the mixture; fifth step of removing water by sending the screened pulp with concentration of 0.1-1 wt% to a head box and spraying the screened pulp to a mesh net to manufacture a wet paper; sixth step of transferring the wet paper to a felt, removing water from the transferred wet paper by pressing the same using a dryer and a press roll, and drying the same until a pulp concentration thereof becomes 30-50 wt%; seventh step of attaching the dried wet paper to a cylindrical dryer, drying the same until the moisture content thereof is reduced to 3-13 wt%, generating a wrinkle in the same using a doctor blade to produce a base paper with elongation of 5-50%, a width of 1,000-8,000 mm, a basis weight of 8-50 g/m^2; and eight step of manufacturing a wet tissue using the produced base paper. 본 발명은 대나무를 펄프화하되, 섬유용이 아닌 종이를 생산할 수 있도록 하는 제지용 펄프로 원지를 제조한 후, 이를 이용하여 물티슈를 생산할 수 있도록 하는 대나무 제지용 펄프를 이용한 물티슈 제조방법에 관한 것이다. 특히 본 발명은 습강제로서 폴리아마이드 수지를 투입하여 펄프간 응집력을 강화시키는 바인더로서 작용하도록 하여 실질적으로는 종이의 재질인 제지용 펄프를 사용하지만 펄프의 강도를 부직포나 섬유의 강도까지 높이지고 이를 유지할 수 있도록 하여, 물티슈로 사용할 수 있도록 한 대나무 제지용 펄프를 이용한 물티슈 제조방법에 관한 것이다.
  • Creation Date: 2015
  • Language: English;Korean
  • Source: esp@cenet
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