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A Mesoporous SiO Based on Joule Heating Effect 2 Essential oil controlled release material and preparation method thereof

A technology of controlled-release materials and thermal effects, applied in chemical instruments and methods, other chemical processes, sustainable manufacturing/processing, etc., can solve the problems of large differences in the adsorption amount of essential oils, many steps in the preparation method, and narrow application range, etc., to achieve Wide variety of effects at low cost and from a wide range of sources

Active Publication Date: 2022-07-12
杭州云昇科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the scope of application of this type of material has also been reduced, and the preparation method of these materials has many steps, the required raw materials are complicated, and the adsorption capacity of different types of essential oils varies greatly, so they cannot be put into practical applications.

Method used

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  • A Mesoporous SiO Based on Joule Heating Effect <sub>2</sub> Essential oil controlled release material and preparation method thereof
  • A Mesoporous SiO Based on Joule Heating Effect <sub>2</sub> Essential oil controlled release material and preparation method thereof
  • A Mesoporous SiO Based on Joule Heating Effect <sub>2</sub> Essential oil controlled release material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] At a temperature of 30 °C, 100 g of mesoporous SiO 2 Grind into powder and then added to 700 g of MXene solution for pretreatment for 6 hours; after the pretreatment, the solution was centrifuged, the centrifuged powder was washed several times with deionized water, and finally the powder was dried; 50 g of PVA was mixed with the above powder. Mix, granulate in a screw extruder with a temperature of 150°C after mixing; weigh after granulation, the weight is 97.86g, then mix the extruded particles with 50g of rose essential oil, and put them into heating after mixing After the essential oil is completely absorbed, the particles are placed in an oven for drying, and weighed after drying; a voltage of 3V is applied to the particles after adsorbing the essential oil, and the particles are weighed after 1 minute. the quality of. products such as figure 1 shown.

[0047] After calculation, before applying voltage, the mesoporous SiO 2 The essential oil adsorption capacity...

Embodiment 2～4

[0049] mesoporous SiO 2 The mass ratio with the Mxene solution was adjusted to 1:3, 1:5, 1:10, respectively, and the remaining conditions were the same as in Example 1. The results showed that the adsorption amount of essential oils did not change much, and the release rate accelerated with the increase of MXene solution. (See figure 2 )

[0050]

Embodiment 5～17

[0052] The adhesive is one of starch, animal skin glue, bone glue, natural rubber, epoxy resin, phenolic resin, urea-formaldehyde resin, polyurethane, perchloroethylene resin, neoprene rubber, nitrile rubber, silicate, and phosphate. , and other conditions are the same as in Example 1. The results show that when PVA is used as an adhesive, the adsorption capacity of essential oils is the largest, and when phosphate is used as an adhesive, the release rate of essential oils is the fastest. (See image 3 ).

[0053]

[0054]

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Abstract

The invention discloses a kind of mesoporous SiO based 2 Essential oil adsorption sustained-release material and preparation method thereof. mesoporous SiO 2 Grind into powder; mesoporous SiO 2 The powder was soaked in MXene solution for pretreatment, then the solution was centrifuged, washed several times with deionized water, and dried in an oven; the powder was mixed with an adhesive, and after mixing, it was granulated in a twin-screw extruder to obtain particles; the particles were mixed with essential oils Then put it into a heating drum for heating, and after the essential oil is completely absorbed by the particles, put the particles in an oven for drying to obtain mesoporous SiO 2 Essential oil controlled release material. The method of the invention has the advantages of simple preparation, abundant raw materials, mild reaction conditions and low energy consumption.

Description

technical field [0001] The invention relates to an essential oil controlled release material in the field of material preparation and a preparation method thereof, in particular to a mesoporous SiO based on Joule heating effect 2 Essential oil controlled release material and preparation method thereof. Background technique [0002] Essential oils are derived from the fruits, leaves, flowers, seeds, roots, bark, resins and other parts of plants. The main extraction methods are: steam distillation, cold pressing, liposuction and solvent extraction. Essential oils are highly concentrated aromatic and volatile substances with a fragrant smell. After the natural aromatic essential oils enter the brain, the essential oils will not enter the brain, and can stimulate the anterior lobes of the brain to secrete two hormones, endorphins and enkephalins. Make the spirit feel comfortable. And different essential oils can be combined with each other to create your favorite fragrance, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/10B01J20/28B01J20/30C08L29/04C08K9/02C08K7/26C08K5/00
CPCB01J20/103B01J20/28019C08K9/02C08K7/26C08K5/0008C08L29/04Y02P20/10
Inventor 陈剑波吴铭榜
Owner 杭州云昇科技有限公司