Ultrasonic permeation enhancing preparation method for preserved fresh flower and preserved fresh flower
An ultrasonic and ultrasonic treatment technology, applied in special decorative structures, decorative arts, etc., can solve the problems of long time consumption, slow infiltration process, uneven dyeing, etc., and achieve the effect of good firmness, reduced shrinkage, and uniform dyeing
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Embodiment 1
[0039] The method for preparing immortal flowers by ultrasound-induced osmosis of the present embodiment comprises the following steps:
[0040] 1) Cut off the flower head of the peony flower, leave the flower diameter 3cm, put it in a decolorizing agent and soak it under airtight conditions for 4 hours until the peony flower fades completely; the decolorizing agent used is composed of water and the following components in parts by weight: ethanol 95 parts, 0.9 parts of hydrogen peroxide, 0.3 parts of sodium hydroxide; the mass ratio of hydrogen peroxide to water is 7:3;
[0041] 2) Immerse the completely faded peony flower heads in step 1) in the liquid phase substitute agent, and perform ultrasonic treatment at the same time; the power of the ultrasonic treatment is 60W, and the time of ultrasonic treatment is 30min; Take it out from the liquid phase substitute; the liquid phase substitute consists of the following components in mass percentage: citric acid 1%, sodium chlori...
Embodiment 26
[0058] The method for preparing immortal flowers by ultrasound-induced osmosis of the present embodiment comprises the following steps:
[0059] 1) Cut off the flower head of the peony flower, leave the flower diameter 3cm, put it in a decolorizing agent and soak it under airtight conditions for 4 hours until the peony flower fades completely; the decolorizing agent used is composed of water and the following components in parts by weight: ethanol 97 parts, 1.5 parts of hydrogen peroxide, 0.6 parts of sodium hydroxide; the mass ratio of water and hydrogen peroxide is 6:3;
[0060] 2) Immerse the completely faded peony flower heads in step 1) in the liquid phase substitute agent, and perform ultrasonic treatment at the same time; the power of ultrasonic treatment is 80W, and the time of ultrasonic treatment is 40min; Take it out from the liquid phase substitute; the liquid phase substitute consists of the following components in mass percentage: citric acid 2%, sodium chloride ...
experiment example 1
[0068] The tensile strength and puncture strength of the immortalized flowers prepared by the method for preparing immortalized flowers by ultrasonic infiltration in Examples 1-25 were respectively measured. The texture analyzer used is a model Instron5544Q6427 produced by Instron Corporation of the United States.
[0069] 1) The determination of the tensile strength adopts Chen Pengtao’s method: the petals with different treatments are cut into strips with a size of 20mm×5mm, and the thickness of the petals is measured with a spiral micrometer (6 different parts of the petals are measured respectively and the average value is taken). value), use a texture analyzer to measure the maximum tensile force that the petal can bear under the condition that the tensile speed is 1mm / s, and then calculate the tensile strength Y:
[0070] Y=F / (Δa×L);
[0071] In the formula: F is the maximum tensile force (N) that the petal can bear; L is the width of the petal (mm); Δa is the thickness...
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