Ethanolamine activated Na-montmorillonite and polymer composite biodegradable film blowing resin and preparation method
A sodium-based montmorillonite and biodegradable technology, applied in the field of blown film resin, can solve the problems of tensile properties, tear strength, elongation at break and other mechanical properties that cannot meet the needs, the development prospect is not optimistic, and cannot be completely degraded. , to achieve the effect of improving water vapor transmission rate, easy melting intercalation, and good water dispersibility
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[0040] Example 1
[0041] The ethanolamine activated sodium-based montmorillonite / polymer composite biodegradable blown film resin provided in this embodiment includes the following components in parts by weight:
[0042]
[0043] Among them, the polyester polymer is a mixture of polyadipate / butylene terephthalate and polylactic acid, and the mass ratio of the two is 8:2. The preparation method of ethanolamine activated sodium-based montmorillonite is: dissolve ethanolamine in water, then add sodium-based montmorillonite, stir evenly with a high-speed mixer, and dry for 6 hours in a constant temperature drying oven at 110°C. The reactive additive is glycerin A mixture of alcohol, water and silane-based coupling agent, the mass ratio of the three is 1:1:2, the functional additive is a mixture of antioxidant 1010 and tributyl citrate, the mass ratio of the two is 1: 1.
[0044] The preparation method includes the following steps:
[0045] S1: Pour the vegetable starch into the high-mi...
Example Embodiment
[0051] Example 2
[0052] The ethanolamine activated sodium-based montmorillonite / polymer composite biodegradable blown film resin provided in this embodiment includes the following components in parts by weight:
[0053]
[0054]
[0055] Among them, the polyester polymer is a mixture of polyadipate / butylene terephthalate and polylactic acid, and the mass ratio of the two is 9:1. The preparation method of ethanolamine activated sodium-based montmorillonite is: dissolve ethanolamine in water, then add sodium-based montmorillonite, stir evenly with a high-speed mixer, and dry for 5 hours in a constant temperature drying oven at 115°C. The reactive auxiliary is propylene glycol, A mixture of xylitol and titanate coupling agent, the mass ratio of the two is 2:1:1, and the functional additive is a mixture of antioxidant 168, polyethylene wax, and stearamide. The mass ratio of the three is 3: 2: 1.
[0056] The preparation method includes the following steps:
[0057] S1: Pour the potato...
Example Embodiment
[0063] Example 3
[0064] The ethanolamine activated sodium-based montmorillonite / polymer composite biodegradable blown film resin provided in this embodiment includes the following components in parts by weight:
[0065]
[0066]
[0067] Among them, the polyester polymer is a mixture of polyadipate / butylene terephthalate and polylactic acid, and the mass ratio of the two is 7:3. The preparation method of ethanolamine activated sodium-based montmorillonite is: dissolve ethanolamine in water, then add sodium-based montmorillonite, stir evenly with a high-speed mixer, and dry for 7 hours in a constant temperature drying oven at 105°C. The reactive additive is aluminate Lipid coupling agent, functional additive is a mixture of antioxidant 2246, paraffin wax and stearic acid amide, the mass ratio of the three is 1:2:3.
[0068] The preparation method includes the following steps:
[0069] S1: Pour corn starch into a high-mixer, then add reactive additives to the high-mixer, mix at 70°C ...
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