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Can washi tape be recycled?

Views: 4     Author: Site Editor     Publish Time: 2022-06-11      Origin: Site

Washi tape can be recycled because of its excellent thermal stability. Many waste scraps are generated during the production and use of washi tape, and the thermal decomposition temperature of washi tape is generally around 380°C before it becomes industrial solid waste. At present, landfills or incineration are generally used in the world to treat industrial solid waste, which will lead to waste of social resources and cause a certain level of secondary pollution.

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Research and develop the technology of recycling washi tape waste, and use the recovered high-purity raw material monomers to recycle the manufacture of washi tape, which meets environmental protection requirements, reduces environmental pollution, and saves resources to generate a higher economy: benefits and social benefits.

The recycling technology of washi tape, this latest process technology, has generally obtained national patents. This breakthrough patented process is characterized by the hydrolysis reaction of the waste under the maintenance of inert gas, and then after dissolving and removing impurities, cooling, filtration and washing, and drying, This results in pyromellitic acid, biphenyl tetracarboxylic acid, diphenyl ether tetracarboxylic acid or benzophenone tetracarboxylic acid. The patented process requires less input of auxiliary materials, low interest, and high purity of the recovered product, so the recovered purity can reach more than 99%, and the yield can reach more than 90%.

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