Method for preparing biomass cushion packaging material
A technology of cushioning packaging and biomass, which is applied in the field of preparation of biomass cushioning packaging materials, can solve the problems of high cost and white pollution, and achieve good antibacterial properties, good mechanical properties and cushioning properties, and good inhibition effect
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Embodiment 1
[0029] A preparation method of a biomass cushioning packaging material, the components are calculated by weight, comprising the following steps:
[0030] (1) Get 20 parts of corn stalks and pulverize them, and pass through a 60-mesh sieve;
[0031] (2) Add 30 parts of 2mol / L sodium hydroxide solution and stir for 20 minutes;
[0032] (3) filtering and cleaning to obtain product A;
[0033] (4) Take 10 parts of cassava residue and sieve to remove impurities, immerse in dilute sodium hydroxide solution and stir mechanically for 1 hour, filter and wash with distilled water until neutral, move to an oven to dry at 60°C, and crush to 40 mesh screen;
[0034] (5) Add 10 parts of giant dragon bamboo powder and 200 parts of benzene-ethanol solution and mix, extract at 90°C for 5 hours, and discard the extract, wherein the volume ratio of benzene and ethanol is 2:1;
[0035] (6) Add 200 parts of ethanol aqueous solution, adjust the pH to 4 with glacial acetic acid, and stir for 5 ho...
Embodiment 2
[0044] A preparation method of a biomass cushioning packaging material, the components are calculated by weight, comprising the following steps:
[0045] (1) Get 25 parts of corn stalks and pulverize them, and pass through an 80-mesh sieve;
[0046] (2) Add 40 parts of 2mol / L sodium hydroxide solution and stir for 25 minutes;
[0047] (3) filtering and cleaning to obtain product A;
[0048] (4) Take 15 parts of cassava residue and sieve to remove impurities, immerse in dilute sodium hydroxide solution and stir mechanically for 1 hour, filter and wash with distilled water until neutral, move to an oven to dry at 60°C, and crush to 40 mesh screen;
[0049] (5) Add 15 parts of giant dragon bamboo powder and 200 parts of benzene-ethanol solution and mix, extract at 90°C for 5.5 hours, discard the extract, wherein the volume ratio of benzene and ethanol is 2:1;
[0050] (6) Add 200 parts of aqueous ethanol, adjust the pH to 4.5 with glacial acetic acid, and stir for 5.5 hours; ...
Embodiment 3
[0059] A preparation method of a biomass cushioning packaging material, the components are calculated by weight, comprising the following steps:
[0060] (1) Get 30 parts of corn stalks and pulverize them, and pass through an 80-mesh sieve;
[0061](2) Add 50 parts of 2mol / L sodium hydroxide solution and stir for 30 minutes;
[0062] (3) filtering and cleaning to obtain product A;
[0063] (4) Take 20 parts of cassava residue and sieve to remove impurities, immerse in dilute sodium hydroxide solution and stir mechanically for 1 hour, filter and wash with distilled water until neutral, move to an oven to dry at 60°C, and crush to 40 mesh screen;
[0064] (5) Add 20 parts of giant dragon bamboo powder and 200 parts of benzene-ethanol solution and mix, extract at 90°C for 6 hours, and discard the extract, wherein the volume ratio of benzene and ethanol is 2:1;
[0065] (6) Add 200 parts of ethanol aqueous solution, adjust the pH to 5 with glacial acetic acid, and stir for 6 ho...
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