Production process for biodegradable plastic woven bag
A plastic woven bag, biodegradation technology, applied in the field of plastic woven bag processing, can solve the problems of plastic waste accumulation, environmental hazards, etc., achieve the effect of improving microbial degradation efficiency, improving degradation efficiency, and benefiting the use of microorganisms
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Embodiment 1
[0030] A biodegradable plastic woven bag production process, the components of the biodegradable masterbatch raw materials are shown in Table 1, wherein the coupling agent is selected from polyvinyl alcohol, and the components of the plastic woven bag raw materials are shown in Table 2, wherein The ingredients of the filler masterbatch are 10 parts by mass of heavy calcium carbonate, 10 parts of lignin, and 10 parts of starch mixture, and the plasticizer is acetyl tributyl citrate.
[0031] The preparation method of modified medical stone is as follows:
[0032] S1 Pulverization: roast the medical stone at 220°C for 2 hours, cool to room temperature, and pulverize it with a pulverizer to obtain medical stone particles;
[0033] S2 modification: Stir and mix the medical stone particles obtained in step S1 in 4mol / L NaOH solution for 2 hours, then filter, wash with deionized water until neutral, and finally activate at 120°C for 2 hours to obtain NaOH Modified medical stone;
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Embodiment 2
[0036] A biodegradable plastic woven bag production process, the components in the biodegradable masterbatch raw materials are shown in Table 1, wherein polyvinyl alcohol and stearic acid are selected as the coupling agent, and the components in the plastic woven bag raw materials are shown in Table 1. 2, wherein the filler masterbatch components are calculated in parts by mass as 10 parts of heavy calcium carbonate, 10 parts of lignin, and 10 parts of starch mixture, and the plasticizer is selected from dioctyl terephthalate.
[0037]The preparation method of modified medical stone is as follows:
[0038] S1 Pulverization: roast the medical stone at 230°C for 1.5h, cool to room temperature, and pulverize with a pulverizer to obtain medical stone particles;
[0039] S2 modification: Stir and mix the medical stone particles obtained in step S1 in a 5mol / L NaOH solution for 1 hour, then filter, wash with deionized water until neutral, and finally activate at 120°C for 2 hours to...
Embodiment 3
[0042] A biodegradable plastic woven bag production process, the components in the biodegradable masterbatch raw material are shown in Table 1, wherein the coupling agent is a silane coupling agent, and the components in the plastic woven bag raw material are shown in Table 2 Shown, wherein the filling masterbatch composition is counted as 10 parts of heavy calcium carbonate, 10 parts of lignin, 10 parts of starch mixture in parts by mass, and the plasticizer is selected from epoxidized soybean oil.
[0043] The preparation method of modified medical stone is as follows:
[0044] S1 crushing: calcining medical stone at 250°C for 1 hour, cooling to room temperature, and pulverizing with a pulverizer to obtain medical stone particles;
[0045] S2 modification: Stir and mix the medical stone particles obtained in step S1 in a 6mol / L NaOH solution for 1 hour, then filter, wash with deionized water until neutral, and finally activate at 120°C for 2 hours to obtain NaOH Modified me...
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