Preparation method of natural antibacterial latex liner for underwear
A natural antibacterial and natural latex technology, applied in the field of natural rubber materials, can solve the problems of poor rubber mechanical properties and high protein content of natural latex, and achieve the effects of good anti-oxidation performance, improved curing performance and simple operation.
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Embodiment 1
[0019] A kind of preparation method of natural antibacterial latex pad for underwear, it is characterized in that, comprises the following steps:
[0020] (1) Mix natural rubber and water at a volume ratio of 1:1, add a total volume of 4% dedecyltrimethylammonium bromide-tetrahydrofuran supramolecular solvent to the mixture, ultrasonicate for 8 min, filter, and The filtrate is freeze-dried to obtain natural latex;
[0021] (2) Dissolve chitosan in 1.5% acetic acid-water mixture, add 30 parts of natural latex, 8 parts of nano-cellulose, 4 parts of nano-silicon dioxide, 4 parts of glutaraldehyde, After 3 parts of tetraalkyltriethoxysilane, react at 600 rpm, 50 °C for 1.5 h, filter, freeze-dry and pulverize to obtain natural latex masterbatch;
[0022] (3) Mix 77 parts of natural latex masterbatch, 1 part of Coptidis alcohol extract, 2 parts of garlic alcohol extract, 1 part of aloe alcohol extract, 3 parts of aloe water extract, 8 parts of nano-silica, and 8 parts of water at h...
Embodiment 2
[0024] A kind of preparation method of natural antibacterial latex pad for underwear, it is characterized in that, comprises the following steps:
[0025] (1) Mix natural rubber and water at a volume ratio of 1:1, add a total volume of 3.5% dedecyltriethylammonium bromide-tetrahydrofuran supramolecular solvent to the mixed solution, and ultrasonically filter for 10 min. The filtrate is freeze-dried to obtain natural latex;
[0026] (2) Dissolve chitosan in 2% acetic acid-water mixture, add 25 parts of natural latex, 5 parts of nanocellulose, 3 parts of nano-silicon dioxide, 2 parts of glutaraldehyde, After 3 parts of hexaalkyltriethoxysilane, react at 650 rpm, 60 °C for 2 h, filter, freeze-dry and pulverize to obtain natural latex masterbatch;
[0027] (3) Mix 83 parts of natural latex masterbatch, 1 part of coptis alcohol extract, 1 part of garlic alcohol extract, 1 part of aloe alcohol extract, 4 parts of grape seed alcohol extract, 5 parts of nano silicon dioxide, 5 parts ...
Embodiment 3
[0029] A kind of preparation method of natural antibacterial latex pad for underwear, it is characterized in that, comprises the following steps:
[0030] (1) Mix natural rubber and water at a volume ratio of 1:1, add a total volume of 4% dodecyltrimethylammonium bromide-tetrahydrofuran supramolecular solvent to the mixture, and filter it after ultrasonication for 10 min. The filtrate is freeze-dried to obtain natural latex;
[0031] (2) Dissolve chitosan in 2.5% acetic acid-water mixture, add 25 parts of natural latex, 8 parts of nanocellulose, 4 parts of nano calcium carbonate, 3 parts of glutaraldehyde, 4 parts of After parting of hexaalkyltrimethoxysilane, react at 700 rpm, 65°C for 3 h, filter, freeze-dry and pulverize to obtain natural latex masterbatch;
[0032] (3) Mix 78 parts of natural latex masterbatch, 1 part of Coptidis alcohol extract, 1 part of garlic alcohol extract, 1 part of aloe alcohol extract, 4 parts of tea alcohol extract, 10 parts of nano silicon diox...
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