Nano antibacterial preservative film for fruits/vegetables and preparation method thereof
A kind of preservative film and nanotechnology, which is applied in the field of fruit and vegetable nano antibacterial preservative film and its preparation, can solve the problems of improvement and safety impact, and achieve the effects of good toughness, low environmental pollution, and increased lifespan
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Embodiment 1
[0027] A kind of fruit and vegetable nano antibacterial fresh-keeping film of the present embodiment comprises the raw material of following weight portion:
[0028] 20 parts of linear low density polyethylene, 6 parts of low density polyethylene, 8 parts of polyvinylidene chloride, 3 parts of acetic acid, 5 parts of gelatin, 3 parts of nano silicon dioxide, 6 parts of nano molecular sieve, 1 part of silver powder, 1 part of titanium dioxide 1 part, 2 parts of zinc oxide, 0.5 part of carboxymethyl cellulose, 0.5 part of paraffin, 1 part of antifogging agent, 0.1 part of antibacterial agent, 3 parts of plasticizer, and 1 part of coupling agent.
[0029] In this embodiment, the particle size of nano-silica and nano-molecular sieve is 40nm; the mesh number of silver powder, titanium dioxide and zinc oxide is 800 mesh.
[0030] In this embodiment, the antifogging agent is a mixture of xylitol ester, sorbitol monopalmitate, and stearic acid monoglyceride, and the ratio of the three...
Embodiment 2
[0042] A kind of fruit and vegetable nano antibacterial fresh-keeping film of the present embodiment comprises the raw material of following weight portion:
[0043] 23 parts of linear low density polyethylene, 8 parts of low density polyethylene, 10 parts of polyvinylidene chloride, 4 parts of acetic acid, 6 parts of gelatin, 4 parts of nano silicon dioxide, 7 parts of nano molecular sieve, 1.5 parts of silver powder, 1.5 parts of titanium dioxide 1 part, 3 parts of zinc oxide, 0.7 parts of carboxymethyl cellulose, 1 part of paraffin, 1.5 parts of antifogging agent, 0.4 parts of antibacterial agent, 3.5 parts of plasticizer, and 2 parts of coupling agent.
[0044] In this embodiment, the particle size of nano-silica and nano-molecular sieve is 40nm; the mesh number of silver powder, titanium dioxide and zinc oxide is 800 mesh.
[0045] In this embodiment, the antifogging agent is a mixture of xylitol ester, sorbitol monopalmitate, and stearic acid monoglyceride, and the ratio...
Embodiment 3
[0057] A kind of fruit and vegetable nano antibacterial fresh-keeping film of the present embodiment comprises the raw material of following weight portion:
[0058] 25 parts of linear low density polyethylene, 10 parts of low density polyethylene, 11 parts of polyvinylidene chloride, 5 parts of acetic acid, 7 parts of gelatin, 5 parts of nano silicon dioxide, 8 parts of nano molecular sieve, 2 parts of silver powder, 2 parts of titanium dioxide , 4 parts of zinc oxide, 0.8 parts of carboxymethyl cellulose, 1.5 parts of paraffin, 2 parts of antifogging agent, 0.7 parts of antibacterial agent, 4 parts of plasticizer, and 3 parts of coupling agent.
[0059] In this embodiment, the particle size of nano-silica and nano-molecular sieve is 40nm; the mesh number of silver powder, titanium dioxide and zinc oxide is 800 mesh.
[0060] In this embodiment, the antifogging agent is a mixture of xylitol ester, sorbitol monopalmitate, and stearic acid monoglyceride, and the ratio of the th...
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