Green, environment-friendly and safe pillow having a magnetic therapy action and multiple health-caring functions
A green and functional technology, applied in the field of safety pillows and green environmental protection, can solve the problems that pillows cannot meet people's high-quality sleep requirements, and achieve the effects of reasonable and simple structure setting, improving physical and mental health, and improving air quality
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preparation example Construction
[0019] Its preparation method comprises the following steps:
[0020] S1. Preparation of chitooligosaccharide-iron complex: Dissolve chitooligosaccharide in 1.5% acetic acid solution (1.5%, v / v), and add an appropriate amount of FeSO under magnetic stirring conditions 4 ·7H 2 O powder, use 5g / L sodium acetate to adjust the pH to 6.0, keep stirring for 10-12h to balance, add a mixture of acetone:ethanol:isoamyl alcohol with a volume ratio of 25:24:1, and obtain a lumpy precipitate; vacuum pump The precipitate was separated by filtration, washed with 75% alcohol for 3 times, then washed with absolute ethanol for 3 times, vacuum filtered again to remove residual detergent and unreacted ions, and washed with absolute ethanol for 3 times. The precipitate is vacuum filtered and vacuum-dried to obtain a chitosan-iron complex;
[0021] S2. Preparation of Jiaolingite emulsion: add 1000mL of pure water to 100g of Jiaolingite ore and soak for 24h, sieve, and obtain Jiaolingite emulsion...
experiment example 1
[0038] Experimental Example 1 Free Radical Scavenging Ability Determination
[0039] Add 3.5mL 0.2mmol / L DPPH ethanol solution and 1.0mL 75% ethanol (DPPH, 1,1-diphenyl-2-trinitrophenylhydrazine) successively to the quartz colorimetric tube, after the mixing reaction is stable, 75% ethanol solution is a reference, measure the absorbance A0 at 520nm place; In the quartz colorimetric tube, add the solvent (75% ethanol solution) of 3.5mL 0.1mmol / L DPPH solution and 1.0mL test sample solution successively , after the mixing reaction is stable, take 75% ethanol solution as a reference, measure the absorbance Ar at 520nm; add 3.5mL 0.1mmol / L DPPH·ethanol solution and 1.0mL of the sample to be tested in sequence in the specific quartz color tube, mix After the reaction is stable, measure the absorbance As at 520nm with 75% ethanol solution as a reference.
[0040] Table 1 Free radical scavenging rate
[0041] Analyte Free radical scavenging rate (%) Chitooligosacch...
experiment example 2
[0043] Experimental Example 2 Determination of Water Absorption
[0044] Take a certain amount of sample and dry it in vacuum at 60°C, weigh every 1h until the quality of the sample does not change, take 0.2g sample and immerse it in 100ml deionized water or 0.75% sodium chloride solution at room temperature , when the adsorption reached equilibrium, the sample was filtered through a 100-mesh sieve, each treatment was repeated three times, and the water absorption rate was calculated by the following formula:
[0045]
[0046] In the formula, Q-sample water absorption; Ws-sample dry weight; Wd-sample swelling weight.
[0047] Table 2 Determination of water absorption
[0048]
[0049]
[0050] The experimental results in Tables 1 and 2 show that the additive used in the present invention has excellent antibacterial performance and excellent water absorption effect, and can be used in pillows to improve the antibacterial performance of the pillow, and the sweat absorp...
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