Nylon 11/polylactic acid biological base high molecular alloy and preparation method and application thereof
A technology of bio-based polymer and polylactic acid, which is applied in the field of high-performance bio-based nylon 11/polylactic acid alloy and its preparation, can solve the problems of poor compatibility and stability of nylon 11/polylactic acid alloy, and achieve unique Biodegradability and biocompatibility, high strength and modulus, effect of increasing intrinsic viscosity
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[0027] Examples 1-8.
[0028] After 30 to 70 parts of nylon 11, 30 to 70 parts of polylactic acid, 1 to 8 parts of reactive compatibilizer SAG008 are vacuum dried at 60 to 80°C for 12 to 24 hours, they are combined with 0.1 to 0.6 parts of stabilizer, 0 to 80 parts of additives are added to the high-speed mixer and mixed at high speed for 3 to 5 minutes, and then extruded through the discharge port of the twin-screw extruder for uniform granulation, and finally dried in a vacuum oven at 60 to 80°C for 12 to 24 hours to remove moisture to obtain the Sample of nylon 11 / polylactic acid bio-based polymer alloy. During the preparation process, the heating temperature control condition in the twin-screw extruder is that eight zones are set in sequence from the feed port to the discharge port, of which one zone is 170~180℃, the second zone is 170~180℃, and the third zone is 180℃. ~190℃, zone 4 is 180~190℃, zone 5 is 190~200℃, zone 6 is 190~200℃, zone 7 is 200~210℃, zone 8 is 200~210℃, ...
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