Production method of degradable environment-friendly plastic bag

• Main Authors: HUANG JIANCHUAN, HUANG JINTAI
• Format: Patent
• Language: Chinese; English
• Published: 01.10.2021
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER; MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER; WORKING-UP

The invention discloses a production method of a degradable environment-friendly plastic bag, and belongs to the field of plastic bags. The degradable environment-friendly plastic bag is obtained by taking styrene as a 'bridge' to melt and graft glycidyl methacrylate and a recycled material, then fully conducting mixing and extruding with polylactic acid, and then carrying out film blowing, slitting, printing, compounding and bag making. The method has the beneficial effects that the glycidyl methacrylate, recycled PET and recycled natural rubber are subjected to melt grafting by taking the styrene as a 'bridge', so that the compatibility between the recycled material and the polylactic acid is improved, the recycled material and the polylactic acid are mixed more uniformly, the physical performance of a blend of the recycled material and the polylactic acid is improved, and particularly, the impact strength and the elongation at break of the blend are obviously improved. 本发明公开了一种可降解环保塑料袋生产方法，属于塑料袋领域，通过以苯乙烯为"