Core-shell toughened and anti-fogging preservation master batch for PET film
An anti-fog droplet and core-shell technology, which is applied in the field of core-shell toughening for PET film and anti-fog droplet fresh-keeping masterbatch, can solve the problems of not meeting the requirements of anti-fog droplet preservation, poor impact toughness, rough surface of products, etc. , to achieve good practical value and application prospects, improve product quality, and good anti-fog effect
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Embodiment 1
[0021] A core-shell toughening and anti-fog fresh-keeping masterbatch for PET film, the composition of which is proportioned by mass percentage: PET resin 15%, nano calcium carbonate 30%, ethylene-octene copolymer (POE) 30%, Methacrylic acid 4%, diethyl azodicarboxylate 2%, polyoxyethylene sorbitan monolaurate 7%, perfluoroalkanol unsaturated ester polymer 6%, hindered amine light stabilizer 2% , 1% talc powder with a particle size between 0.01μm and 5μm, 2% silane coupling agent, 1% compound of hindered phenol antioxidant 1076 and phosphite antioxidant 168.
[0022] Preparation method: (1) Dry PET resin at 130°C-140°C for 3-5 hours, dry nano-calcium carbonate at 100°C-120°C for 1-2 hours, and set aside; (2) Weigh according to weight ratio Add the dried nano-calcium carbonate into a high-speed mixer with a barrel temperature of 25°C to 70°C, stir for 3 to 15 minutes, then add methacrylic acid and diethyl azodicarboxylate weighed according to the weight ratio, and stir for 10 ...
Embodiment 2
[0024] A core-shell toughening and anti-fog droplet fresh-keeping masterbatch for PET film, its components are proportioned by mass percentage: PET resin 18%, nano calcium carbonate 40%, styrene-ethylene-butadiene-styrene copolymer (SEBS) 20%, methacrylic acid 6%, diethyl azodicarboxylate 2%, polyoxyethylene sorbitan monostearate 5%, perfluoroalkanolamide 5%, hindered amine light stabilizer 1%, 1% talc powder with particle size between 0.01μm and 5μm, 1.5% silane coupling agent, 0.5% compound of hindered phenol antioxidant 1076 and phosphite antioxidant 168.
[0025] Preparation method: (1) Dry PET resin at 130°C-140°C for 3-5 hours, dry nano-calcium carbonate at 100°C-120°C for 1-2 hours, and set aside; (2) Weigh according to weight ratio Add the dried nano-calcium carbonate into a high-speed mixer with a barrel temperature of 25°C to 70°C, stir for 3 to 15 minutes, then add methacrylic acid and diethyl azodicarboxylate weighed according to the weight ratio, and stir for 10 ...
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