Fully-biodegradable high-barrier polyamide-based composite film material and preparation method thereof
A polyamide-based and biodegradable technology is applied in the field of completely biodegradable high-barrier polyamide-based composite film materials and their preparation, and can solve the problem of uneven product opaque color, poor processing fluidity of polymer plastics, and excessive crystal points. and other problems, to achieve the effect of low price, good processability and good biodegradability
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[0025] Example 1
[0026] 1) Mix the components according to the mass ratio
[0027] Nylon 9: 95 parts;
[0028] Starch-based resin: 4.79 parts;
[0029] Polyvinyl alcohol (molecular weight 10000, alcoholysis degree 98): 0.1 part;
[0030] Polyol oligomer plasticizer: 0.1 part;
[0031] Antioxidant 1098: 0.01 part;
[0032] Mix thoroughly with a high-speed mixer and vacuum dry at 80 °C for 12 h.
[0033] 2) Use a twin-screw extruder to extrude and granulate the blend, and set the temperature of each heating section as follows: 220 °C for the first section, 240 °C for the second section, 260 °C for the third section, and 280 °C for the fourth section. , the fifth paragraph 300 ℃.
[0034] 3) Vacuum-drying the granulated fully biodegradable high-barrier polyamide-based composite material at 50° C. for 24 hours so that the moisture content is less than or equal to 0.1 wt% to obtain a masterbatch of fully biodegradable high-barrier polyamide-based composite material.
[003...
Example Embodiment
[0036] Example 2
[0037] 1) Mix the components according to the mass ratio
[0038] Nylon 10: 90 parts;
[0039] Cellulose: 2.99 servings;
[0040] Polyvinyl alcohol (molecular weight 50000, alcoholysis degree 98): 5 parts;
[0041] Chlorine-containing compound plasticizer: 2 parts;
[0042] Antioxidant 1010: 0.01 part;
[0043] Mix thoroughly with a high-speed mixer and vacuum dry at 80 °C for 12 h.
[0044] 2) Use a twin-screw extruder to extrude and granulate the blend, and set the temperature of each heating section as follows: 250 °C for the first section, 270 °C for the second section, 290 °C for the third section, and 310 °C for the fourth section , the fifth paragraph 330 ℃.
[0045] 3) Vacuum-drying the granulated fully biodegradable high-barrier polyamide-based composite material at 80° C. for 12 hours to make the moisture content ≤ 0.1 wt% to obtain a fully biodegradable high-barrier polyamide-based composite material masterbatch.
[0046] 4) Use the multi-l...
Example Embodiment
[0047] Example 3
[0048] 1) Mix the components according to the mass ratio
[0049] Nylon 11: 65 parts;
[0050] Starch-based resin: 5 parts;
[0051] Cellulose: 2.8 servings;
[0052] Polyvinyl alcohol (molecular weight 100000, alcoholysis degree 98.2): 20 parts;
[0053] Amide plasticizer: 2 parts;
[0054] Antioxidant 245: 0.2 parts;
[0055] Mix thoroughly with a high-speed mixer and vacuum dry at 80 °C for 12 h.
[0056] 2) Use a twin-screw extruder to extrude and granulate the blend, and set the temperature of each heating section as follows: 150 °C for the first section, 160 °C for the second section, 170 °C for the third section, and 180 °C for the fourth section. , the fifth paragraph 190 ℃.
[0057] 3) Vacuum-drying the granulated fully biodegradable high-barrier polyamide-based composite material at 50° C. for 24 hours so that the moisture content is less than or equal to 0.1 wt% to obtain a masterbatch of fully biodegradable high-barrier polyamide-based compo...
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