Bio-based environmental protection packaging bag and preparation method thereof
A packaging bag, bio-based technology, applied in biological packaging, packaging, wrapping paper, etc., can solve the problems of short service life, low mechanical properties, poor antibacterial performance, etc., to achieve improved service life, high mechanical properties, and reduced consumption. Effect
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[0027] Example 1:
[0028] Embodiment 1 of the present invention provides a bio-based environmental protection packaging bag, which includes the following components in parts by weight: 25 parts of corn starch, 55 parts of PBAT, 15 parts of PLA, 5 parts of glycerin, 0.3 parts of maleic anhydride , 2 parts of ethylene-vinyl acetate copolymer, 0.2 parts of oleic acid amide, 1 part of talc, 1 part of calcium carbonate, 0.2 part of ADR-4370, 1 part of zinc oxide.
[0029] Among them: corn starch, PBAT, PLA as raw materials, the addition of corn starch reduces the consumption of petroleum-based resources, reduces the amount of replacement materials from the source, and reduces the cost; maleic anhydride is a corn starch modifier, which can improve corn starch and The compatibility of PBAT and PLA improves the degradation performance of the packaging bag of the present invention. After use, the packaging bag can be composted under specific conditions and can be completely degraded by mic...
Example Embodiment
[0030] Example 2:
[0031] Embodiment 2 of the present invention provides a bio-based environmental protection packaging bag, which includes the following components in parts by weight: 25 parts of corn starch, 60 parts of PBAT, 15 parts of PLA, 5 parts of glycerin, and 0.2 parts of maleic anhydride , 2 parts of ethylene-vinyl acetate copolymer, 0.3 parts of oleic acid amide, 1 part of talc, 1 part of calcium carbonate, 0.2 part of ADR-4370, 1 part of zinc oxide.
[0032] Among them: corn starch, PBAT, PLA as raw materials, the addition of corn starch reduces the consumption of petroleum-based resources, reduces the amount of replacement materials from the source, and reduces the cost; maleic anhydride is a corn starch modifier, which can improve corn starch and The compatibility of PBAT and PLA improves the degradation performance of the packaging bag of the present invention. After use, the packaging bag can be composted under specific conditions and can be completely degraded by...
Example Embodiment
[0033] Example 3:
[0034] Embodiment 3 of the present invention provides a bio-based environmental protection packaging bag, which includes the following components in parts by weight: 30 parts of corn starch, 50 parts of PBAT, 10 parts of PLA, 10 parts of glycerin, and 0.2 parts of maleic anhydride , 3 parts of ethylene-vinyl acetate copolymer, 0.2 parts of oleic acid amide, 2 parts of talc, 1 part of calcium carbonate, 0.2 parts of ADR-4370, 2 parts of zinc oxide.
[0035] Among them: corn starch, PBAT, PLA as raw materials, the addition of corn starch reduces the consumption of petroleum-based resources, reduces the amount of replacement materials from the source, and reduces the cost; maleic anhydride is a corn starch modifier, which can improve corn starch and The compatibility of PBAT and PLA improves the degradation performance of the packaging bag of the present invention. After use, the packaging bag can be composted under specific conditions and can be completely degrade...
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