“Vietnam is the 4th country in the world to discharge plastic waste into the sea, so businesses and consumers need to use and produce plastic packaging in three sustainable directions: saving, reusing and Recycling". TS. Hoang Xuan Tung, Ho Chi Minh City University of Technology emphasized at the Scientific Conference "Connecting to form scientific and technological tasks for the development of the city's plastic / food packaging film industry with a vision to 2025 ", organized by HCMC Department of Science and Technology on June 14, 2019.