• 专利标题:   Fluorine-free paper pulp moulding product used in lunch box, dinner plate, dining cup, dining bowl and tray, comprises plant pulp, modifier, filler, retention aid agent, sizing agent and water, where plant pulp is selected from bagasse, wood pulp or straw pulp.
  • 专利号:   CN115491931-A
  • 发明人:   LIN T, WANG T, YANG B
  • 专利权人:   SHANGHAI XINGHUAI CHEM TECHNOLOGY CO LTD, JINGZHUN CHEM TECHNOLOGY SHANGHAI CO LTD
  • 国际专利分类:   D21H011/12, D21H021/06, D21H021/10, D21H021/14, D21H021/16, D21J003/10
  • 专利详细信息:   CN115491931-A 20 Dec 2022 D21J-003/10 202311 Chinese
  • 申请详细信息:   CN115491931-A CN11332665 11 Nov 2021
  • 优先权号:   CN11332665

▎ 摘  要

NOVELTY - Fluorine-free paper pulp moulding product comprises 50-80 pts. wt. plant pulp, 1-3 pts. wt. modifier, 4-8 pts. wt. filler, 1-5 pts. wt. retention aid agent, 4-9 pts. wt. sizing agent and 20-30 pts. wt. water. USE - Fluorine-free paper pulp moulding product used in lunch box, dinner plate, dining cup, dining bowl and tray (claimed). ADVANTAGE - The fluorine-free paper pulp moulding product can obtain better waterproof and oil-proof effect, avoid the use of fluorine-based waterproof and oil-proof agent, effectively protect the health and safety of users, and this product has excellent strength, light weight and good processing performance , and the prepared product is green and environmentally friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing fluorine-free paper pulp moulding product, which involves mixing the paper pulp and the filler into the stirrer, stirring uniformly to obtain the mixture I, mixing the retention filter aid, sizing agent and water, introducing into the mixer, heating and reacting, cooling to normal temperature to obtain the mixture II, guiding the mixture 1 and the mixture 2 into the mixer, heating and stirring until the paste is paste, stopping heating, introducing the modifier, stirring and mixing uniformly to obtain the mixture III, guiding the mixture into the mould, drying and dehydrating at high temperature, pressing and moulding, cutting to obtain the finished product.