The present invention relates to a toughening process for flame-retardant polyamide resin, which comprises the following steps: a polyamide preparation step; a polyamide resin drying step; a flame retardant modification step of polyamide resin; a toughening agent preparation step; a polyamide resin toughening step: adding 6 to 10 parts by mass of a toughening agent, 6 to 10 parts by mass of a curing agent, 20 to 40 parts by mass of carboxyl-terminated nitrile butadiene rubber, 12 to 22 parts by mass of hydroxyl silicone oil, 10 to 20 parts by mass of zirconium diboride, 4 to 8 parts by mass of a lubricant, 2 to 4 parts by mass of an antioxidant, 5 to 10 parts by mass of a coupling agent, 5 to 10 parts by mass of modified graphene, and 0.5 to 1 part by mass of a plasticizer into 100 parts by mass of flame-retardant polyamide resin; mixing and stirring uniformly, heating to a molten state, feeding into a twin-screw extruder, and performing vacuum granulation to obtain toughened flame-retardant polyamide resin masterbatch.
Country Code: CN
Application Number: CN202410415307.1
