How to make disposable lunch boxes? What are its steps?

A degradable disposable tableware consists of the following raw materials in parts by weight: 60-70 parts of bamboo fiber, 30-40 parts of straw fiber, 2-4 parts of dextrin, 0. 1-0.2 part of monoglyceride, 45-55 parts of calcium carbonate, 0. 1-0.3 part of citric acid and 0./kloc enhancer. The preparation method comprises pulping bamboo fiber and straw fiber, adding dextrin, stirring, adding monoglyceride, adding citric acid to adjust pH value, adding filler calcium carbonate, reinforcing agent, oil repellent and waterproof agent, and uniformly mixing; The mixture is put into a tableware mold for one-time press molding. The degradable disposable tableware product of the invention has the advantages of hard structure, heat resistance, cold resistance, acid and alkali resistance and good toughness, can be degraded after being buried in the soil for 2 weeks, and can be dissolved in the soil after 8 weeks, and has the advantages of simple manufacturing process, no waste water, waste gas and waste residue pollution and low cost, and can completely replace the existing disposable tableware made of plastic products such as foam. Date of application: 165438+20031October 26th; Release date: 165438+2004 10/0; Date of authorization announcement: applicant/patentee: Wan Li Sea; Applicant's address: Room 1 15, Science and Technology Department Building, Provincial Government Courtyard, Nanchang City, Jiangxi Province. Yin Guiting Patent Agency: Agent: Patent Type: Invention Patent ClassificationNo.: A47G75438+09/00; c08l 97/02·