Method for preparing amylaceous fully degradable plastic
A fully degradable and starch-based technology, which is applied in the field of preparation of starch-type fully degradable plastics, can solve the problems of difficult synthesis, non-degradable, and difficult to achieve results, and achieve the effect of enhancing biodegradable performance
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Embodiment 1
[0023] Embodiment 1: (take by weight percentage)
[0024] Superfine starch: 30
[0025] Diethylene glycol: 2.5
[0026] Lauric acid: 1.7
[0027] Corn Oil: 2
[0028] N-isopropyl-N'-phenyl-p-phenylenediamine: 0.07
[0029] Polyethylene wax: 0.8
[0030] Iron diethyldithiocarbamate: 0.07
[0031] Manganese acetylacetonate: 0.08
[0032] Polyhydroxybutyrate: 2
[0033] EAA: 12
[0034] LDPE: 48.78
[0035] Raise the temperature of the high-speed mixer to 75±5°C, then put the superfine starch into the high-speed mixer, stir at high speed for 3 minutes, add diethylene glycol in three times, and then add lauric acid, corn oil, N-isopropyl Base-N'-phenyl-p-phenylenediamine, EAA, polyhydroxybutyrate, the time interval between each feeding is 3 minutes, and mix evenly to form starch derivatives; add LDPE into the high-speed mixer, and add diethyl diethylene glycol in sequence at room temperature Ferric thiocarbamate, manganese acetylacetonate, and polyethylene wax are added ...
Embodiment 2
[0036] Embodiment 2: (take by weight percentage)
[0037] Superfine starch: 35
[0038] Glycerin: 3.1
[0039] Stearic acid: 1.7
[0040] Aluminate coupling agent 1.5
[0041] White oil: 0.5
[0042] 2,6-di-tert-4-methyl-p-cresol: 0.07
[0044] Iron diethyldithiocarbamate: 0.06
[0045] Cobalt acetylacetonate: 0.05
[0046] EAA: 16
[0047] LLDPE: 13.99
[0048] HDPE: 27.33
[0049] Raise the temperature of the high-speed mixer to 75±5°C, then put the superfine starch into the high-speed mixer, stir at high speed for 2 minutes, add glycerin three times, and then add stearic acid, aluminate coupling agent, white Oil, 2,6-di-tert-4-methyl-p-cresol, EAA, each feeding time interval is 5 minutes, mix well to form starch derivatives; add LLDPE, HDPE into the high-speed mixer, add diethyl Ferric dithiocarbamate, cobalt acetylacetonate, and calcium stearate are added at intervals of 3 minutes each time, and mixed uniformly to form a mixture; sta...
Embodiment 3
[0065] Embodiment 3: (take by weight percentage)
[0066] Superfine starch: 40
[0067] Ethylene glycol: 3.7
[0068] Linoleic acid: 1.5
[0069] Titanate coupling agent 1
[0070] White oil: 1.3
[0071] β-(3,5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate: 0.08
[0072] Oleamide 0.6
[0073] Iron stearate: 0.04
[0074] Manganese stearate: 0.04
[0075] Cobalt oleate: 0.03
[0076] EAA: 10
[0077] Polycaprolactone: 5
[0078] PP: 31.53
[0079] HDPE: 5.18
[0080] Raise the temperature of the high-speed mixer to 75±5°C, then put the superfine starch into the high-speed mixer, stir at high speed for 3 minutes, add ethylene glycol in three times, and then add linoleic acid and titanate coupling agent in sequence , white oil, β-(3,5-di-tert-butyl-4-hydroxyphenyl) octadecanol propionate, EAA, polycaprolactone, each feeding time interval is 4 minutes, mix well to form starch derivatives ;Add PP and HDPE into the high-speed mixer, add iron stearate, cobalt olea...
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