CN112674124A - Environment-friendly biomass antibacterial insect repellent and preparation method thereof - Google Patents
Environment-friendly biomass antibacterial insect repellent and preparation method thereof Download PDFInfo
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- CN112674124A CN112674124A CN202011599940.9A CN202011599940A CN112674124A CN 112674124 A CN112674124 A CN 112674124A CN 202011599940 A CN202011599940 A CN 202011599940A CN 112674124 A CN112674124 A CN 112674124A
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- 239000000077 insect repellent Substances 0.000 title claims abstract description 43
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention discloses an environment-friendly biomass antibacterial insect repellant and a preparation method thereof, wherein the preparation method comprises the steps of completely mixing nano chitin, nano kaolin and bamboo powder; continuously adding menthane amide type derivative, eucalyptus ethanol extract and citronella essential oil, stirring and mixing; continuously adding 3, 8-terpineol and benzyl benzoate, and stirring and mixing; and continuously adding the dispersing agent and the antioxidant, stirring and mixing, discharging and packaging to obtain the environment-friendly biomass antibacterial insect repellent. The preparation process is simple and easy to operate, the prepared environment-friendly biomass antibacterial insect repellent improves the performance of the original material, has excellent performances such as antibacterial property and insect repelling property, improves the service life of the material, overcomes the original defects of the material, does not contain harmful substances such as strong acid, strong alkali and the like in the formula, uses some natural extracts, obtains new performance and well embodies the environment-friendly concept.
Description
Technical Field
The invention belongs to the technical field of auxiliaries, and particularly relates to an environment-friendly biomass antibacterial insect repellent and a preparation method thereof.
Background
Insects, especially mosquitoes, carry diseases and are generally regarded as animal and plant pests. More than one million people die worldwide each year from mosquito-transmitted diseases. Insecticides that kill insects, or simply insect repellents, are commonly used to repel insects on animals, plants, and buildings due to health concerns and discomfort caused by insect bites. However, commercially available insect repellents, including those commercially available for household use, typically contain active ingredients that are toxic to the target pests, but these products pose certain hazards to human health and the environment.
Bacteria attached to the surface of an object often affect the health of people and the normal use of the object, and generally an antibacterial agent is used to avoid the growth of microorganisms on the surface of the object. In recent years, natural antibacterial agents derived from animals, plants and microorganisms have been increasingly favored because of known or potential toxic side effects. The natural products not only have various varieties and diverse biological activities, but also have unique effects, and more importantly, are easy to degrade or have good environmental compatibility, so that the search for the antibacterial and insecticidal active ingredients from organisms is one of the hot spots of the current antibacterial agent research.
Biomass refers to various organisms formed by photosynthesis, including all animals and plants and microorganisms. The biomass energy is the energy form that solar energy is stored in biomass in a chemical energy form, is one of important energy sources which human beings rely on for survival, is the fourth largest energy source after coal, petroleum and natural gas, and has a great proportion in the surface treatment problem of metal in the oil removal and rust removal problem of metal which occupies an important position in the whole energy system. The application of biomass products is also becoming more and more important.
Therefore, it is necessary to research an antibacterial insect repellent based on the utilization of biomass, which not only has antibacterial and insect repellent effects, but also utilizes some resources which are not easy to be utilized, is non-toxic and harmless, and contributes to the aspect of environment-friendly additives.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above and/or other problems occurring in the prior art.
The invention aims to provide a preparation method of an environment-friendly biomass antibacterial insect repellent, the prepared environment-friendly biomass antibacterial insect repellent is non-toxic and harmless, adopts a plurality of natural substances, has good effect, and makes a great contribution to the aspect of environment-friendly additives.
In order to solve the technical problems, the invention provides the following technical scheme: a method for preparing an environment-friendly biomass antibacterial insect repellent comprises,
weighing the following raw materials: nano chitin, nano kaolin, bamboo powder, mentha carboxamide type derivatives, eucalyptus ethanol extract, citronella essential oil, 3, 8-terpineol, benzyl benzoate, a dispersing agent, an antioxidant and a solvent;
completely mixing the nano chitin, the nano kaolin and the bamboo powder;
continuously adding menthane amide type derivative, eucalyptus ethanol extract and citronella essential oil, stirring and mixing;
continuously adding 3, 8-terpineol and benzyl benzoate, and stirring and mixing;
and continuously adding the dispersing agent and the antioxidant, stirring and mixing, discharging and packaging to obtain the environment-friendly biomass antibacterial insect repellent.
As a preferable scheme of the preparation method of the environment-friendly biomass antibacterial insect repellent, the preparation method comprises the following steps: the raw materials are weighed, and 3-6 parts of nano chitin, 6-7 parts of nano kaolin, 2-5 parts of bamboo powder, 4-9 parts of mentha carboxamide derivative, 2-3 parts of eucalyptus ethanol extract, 9-14 parts of citronella essential oil, 8-11 parts of 3, 8-terpineol, 4-7 parts of benzyl benzoate, 2-7 parts of dispersing agent, 6-9 parts of antioxidant and 80-100 parts of solvent are weighed according to parts by weight.
As a preferable scheme of the preparation method of the environment-friendly biomass antibacterial insect repellent, the preparation method comprises the following steps: the raw materials are weighed, and 3 parts of nano chitin, 6 parts of nano kaolin, 2 parts of bamboo powder, 4 parts of mentha carboxamide type derivatives, 2 parts of eucalyptus ethanol extracts, 9 parts of citronella essential oil, 8 parts of 3, 8-terpineol, 4 parts of benzyl benzoate, 2 parts of dispersing agents, 6 parts of antioxidants and 80 parts of solvents are weighed according to parts by weight.
As a preferable scheme of the preparation method of the environment-friendly biomass antibacterial insect repellent, the preparation method comprises the following steps: the nano chitin, the nano kaolin and the bamboo powder are completely mixed and stirred for 20-30 minutes at 500-1000 rpm, and the nano chitin, the nano kaolin and the bamboo powder are all natural antibacterial agents, so that the antibacterial agent also utilizes natural resources at the same time of antibiosis, and accords with the modern concept of green and environmental protection.
As a preferable scheme of the preparation method of the environment-friendly biomass antibacterial insect repellent, the preparation method comprises the following steps: the menthane carboxamide derivative, the eucalyptus ethanol extract and the citronella essential oil are added and stirred for 10 minutes at 500-1000 rpm, and the menthane carboxamide derivative has the effects of stimulating the brain, promoting blood circulation, sweating, diminishing inflammation, easing pain, relieving itching, detoxifying and dispelling wind and heat besides the effect of expelling parasites.
As a preferable scheme of the preparation method of the environment-friendly biomass antibacterial insect repellent, the preparation method comprises the following steps: the 3, 8-terpineol and benzyl benzoate are added and stirred for mixing, and the mixture is stirred for 10 minutes at 500-1000 rpm, and the two substances are used as active compounds in the invention and are matched with a natural antibacterial agent insect repellent to play a role in promoting enhancement.
As a preferable scheme of the preparation method of the environment-friendly biomass antibacterial insect repellent, the preparation method comprises the following steps: and adding a dispersing agent and an antioxidant, stirring and mixing, and stirring for 10-20 minutes at 500-1000 rpm.
The invention also aims to provide an environment-friendly biomass antibacterial insect repellent which comprises, by weight, 3-6 parts of nano-scale chitin, 6-7 parts of nano-scale kaolin, 2-5 parts of bamboo powder, 4-9 parts of a mentha carboxamide derivative, 2-3 parts of a eucalyptus ethanol extract, 9-14 parts of citronella essential oil, 8-11 parts of 3, 8-terpineol, 4-7 parts of benzyl benzoate, 2-7 parts of a dispersing agent, 6-9 parts of an antioxidant and 80-100 parts of a solvent.
As a preferable embodiment of the environment-friendly biomass antibacterial insect repellent of the present invention, wherein: the antioxidant is one or more of sodium sulfite, sodium pyrosulfite, dibutyl phenol and tert-butyl p-hydroxyanisole.
As a preferable embodiment of the environment-friendly biomass antibacterial insect repellent of the present invention, wherein: the dispersant is glyceryl tristearate.
As a preferable embodiment of the environment-friendly biomass antibacterial insect repellent of the present invention, wherein: the solvent is one or more of water and absolute ethyl alcohol.
The invention has the beneficial effects that:
(1) the raw materials adopted by the invention are all natural grade raw materials, do not contain strong acid and strong alkali, are non-toxic and harmless, and accord with the concept of green environmental protection.
(2) The nano chitin, the nano kaolin and the bamboo powder are natural antibacterial agents, a synergistic antibacterial effect is achieved among the nano chitin, the nano kaolin and the bamboo powder, and meanwhile, natural resources are utilized, so that the environment-friendly antibacterial agent conforms to the modern concept of environmental protection.
(3) The menthane carboxamide derivative adopted by the invention has the effects of stimulating the brain, promoting blood circulation, sweating, diminishing inflammation, easing pain, relieving itching, detoxifying and dispelling wind and heat besides the effect of expelling parasites.
(4) The menthane carboxamide derivative, the eucalyptus ethanol extract and the citronella essential oil are taken as insect repellents, and synergistic insect repelling effect is achieved among the menthane carboxamide derivative, the eucalyptus ethanol extract and the citronella essential oil.
(5) The application range of the invention is wide, the application range of the invented environment-friendly biomass antibacterial insect repellant is very wide, and the antibacterial property and the insect repelling property are also particularly good.
(6) The method is simple to operate, high in practicability and capable of providing good economic benefits.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a photograph showing the results of the antibacterial tests of example 3, comparative example 5, comparative example 6 and comparative example 7; wherein (a) is a photograph showing the result of the antibacterial test of example 3, (b) is a photograph showing the result of the antibacterial test of comparative example 5, (c) is a photograph showing the result of the antibacterial test of comparative example 6, and (d) is a photograph showing the result of the antibacterial test of comparative example 7.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, specific embodiments thereof are described in detail below with reference to examples of the specification.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
In the following examples, the main raw materials used were as follows:
the nano-scale chitin has the particle size of 10-20 nm and is purchased from Shanghai Yizhi limited company;
the nano-grade kaolin has the average thickness of 20-50 nm and the average diameter of 300nm and is purchased from Sanxing Gaoxin advanced materials Co., Ltd, Shandong Zaozhuang;
bamboo powder, purchased from hooshan fengle bio-energy technology ltd;
a menthanecarboxamide derivative prepared by the method for producing a menthanecarboxamide derivative disclosed in patent CN 101863827A;
eucalyptus ethanol extract, ethanol extract of eucalyptus leaves obtained according to the method disclosed in the literature (research on chemical composition of eucalyptus leaves in the Hainan province [ D ]);
citronella essential oil, purchased from nature bioengineering, ltd, jean;
3, 8-terpineol (p-menthane-3,8-diol, PMD) synthesized according to the pathway described by Zimmerman and English in j.a.c.s.75(1953) pp 2367-2370;
benzyl benzoate, CAS: 120-51-4;
glyceryl tristearate, CAS: 555-43-1;
tert-butyl p-hydroxyanisole, CAS: 25013-16-5.
Example 1
(1) Weighing the following raw materials in parts by weight: 3 parts of nano chitin, 6 parts of nano kaolin, 2 parts of bamboo powder, 4 parts of mentha carboxamide type derivatives, 2 parts of eucalyptus ethanol extract, 9 parts of citronella essential oil, 8 parts of 3, 8-terpineol, 4 parts of benzyl benzoate, 2 parts of glyceryl tristearate, 6 parts of tert-butyl p-hydroxyanisole and 80 parts of solvent;
(2) adding 3 parts of nano chitin, 6 parts of nano kaolin and 2 parts of bamboo powder into a reaction kettle, adding 80 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the mixture is completely mixed, continuously adding 4 parts of menthane carboxamide type derivative, 2 parts of eucalyptus ethanol extract and 9 parts of citronella essential oil into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 8 parts of 3, 8-terpineol and 4 parts of benzyl benzoate into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(5) continuously adding 2 parts of glyceryl tristearate and 6 parts of tert-butyl p-hydroxyanisole into the reaction kettle, and stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Example 2
(1) Weighing the following raw materials in parts by weight: 4 parts of nano chitin, 6 parts of nano kaolin, 3 parts of bamboo powder, 6 parts of mentha carboxamide type derivatives, 2 parts of eucalyptus ethanol extract, 10 parts of citronella essential oil, 9 parts of 3, 8-terpineol, 5 parts of benzyl benzoate, 3 parts of tristearin, 7 parts of tert-butyl p-hydroxyanisole and 87 parts of solvent.
(2) Adding 4 parts of nano chitin, 6 parts of nano kaolin and 3 parts of bamboo powder into a reaction kettle, adding 87 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the mixture is completely mixed, continuously adding 6 parts of menthane amide type derivative, 2 parts of eucalyptus ethanol extract, 10 parts of citronella essential oil at 500-1000 rpm, and stirring for 10 minutes;
(4) continuously adding 9 parts of 3, 8-terpineol and 5 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 3 parts of glyceryl tristearate and 7 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Example 3
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of nano kaolin, 4 parts of bamboo powder, 7 parts of mentha carboxamide type derivatives, 3 parts of eucalyptus ethanol extract, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of glyceryl tristearate, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano chitin, 7 parts of nano kaolin and 4 parts of bamboo powder into a reaction kettle, adding 95 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the mixture is completely mixed, continuously adding 7 parts of menthane carboxamide type derivative, 3 parts of eucalyptus ethanol extract and 12 parts of citronella essential oil into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Example 4
(1) Weighing the following raw materials in parts by weight: 6 parts of nano chitin, 7 parts of nano kaolin, 5 parts of bamboo powder, 9 parts of mentha carboxamide type derivatives, 3 parts of eucalyptus ethanol extract, 14 parts of citronella essential oil, 11 parts of 3, 8-terpineol, 7 parts of benzyl benzoate, 7 parts of glyceryl tristearate, 9 parts of tert-butyl p-hydroxyanisole and 100 parts of solvent.
(2) Adding 6 parts of nano chitin, 7 parts of nano kaolin and 5 parts of bamboo powder into a reaction kettle, adding 100 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the mixture is completely mixed, continuously adding 9 parts of menthane carboxamide type derivative, 3 parts of eucalyptus ethanol extract and 14 parts of citronella essential oil into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 11 parts of 3, 8-terpineol and 7 parts of benzyl benzoate into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(5) continuously adding 7 parts of glyceryl tristearate and 9 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 1
(1) Weighing the following raw materials in parts by weight: 7 parts of nano kaolin, 4 parts of bamboo powder, 7 parts of menthane amide type derivatives, 3 parts of eucalyptus ethanol extract, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of tristearin, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) 7 parts of nano-scale kaolin and 4 parts of bamboo powder are added into a reaction kettle, 95 parts of solvent is added, 500-1000 rpm is added, stirring is carried out for 20-30 minutes until complete mixing is achieved, the nano-scale kaolin and the bamboo powder are natural antibacterial agents, natural resources are utilized while antibiosis is achieved, and the modern concept of green and environmental protection is met;
(3) after the mixture is completely mixed, continuously adding 7 parts of menthane carboxamide type derivative, 3 parts of eucalyptus ethanol extract and 12 parts of citronella essential oil into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 2
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 4 parts of bamboo powder, 7 parts of mentha carboxamide type derivatives, 3 parts of eucalyptus ethanol extract, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of tristearin, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano-scale chitin and 4 parts of bamboo powder into a reaction kettle, adding 95 parts of a solvent, stirring for 20-30 minutes, and waiting for complete mixing, wherein the nano-scale chitin and the bamboo powder are natural antibacterial agents, so that the antibacterial agent also utilizes natural resources at the same time of antibiosis, and accords with the modern concept of green and environmental protection;
(3) after the mixture is completely mixed, continuously adding 7 parts of menthane carboxamide type derivative, 3 parts of eucalyptus ethanol extract and 12 parts of citronella essential oil into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 3
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of nano kaolin, 7 parts of mentha carboxamide type derivatives, 3 parts of eucalyptus ethanol extract, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of tristearin, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) 5 parts of nano-scale chitin and 7 parts of nano-scale kaolin are added into a reaction kettle, 95 parts of solvent is added, 500-1000 rpm is added, stirring is carried out for 20-30 minutes until complete mixing is achieved, the nano-scale chitin and the nano-scale kaolin are natural antibacterial agents, natural resources are utilized while antibiosis is achieved, and the modern concept of green and environmental protection is met;
(3) after the mixture is completely mixed, continuously adding 7 parts of menthane carboxamide type derivative, 3 parts of eucalyptus ethanol extract and 12 parts of citronella essential oil into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 4
(1) Weighing the following raw materials in parts by weight: 4 parts of bamboo powder, 7 parts of menthane amide type derivatives, 3 parts of eucalyptus ethanol extracts, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of tristearin, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 4 parts of bamboo powder into a reaction kettle, adding 95 parts of solvent, stirring at 500-1000 rpm for 20-30 minutes, and completely mixing, wherein the bamboo powder is a natural antibacterial agent, and natural resources are utilized while resisting bacteria, so that the method conforms to the modern concept of green and environment protection;
(3) after the mixture is completely mixed, continuously adding 7 parts of menthane carboxamide type derivative, 3 parts of eucalyptus ethanol extract and 12 parts of citronella essential oil into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 5
(1) Weighing the following raw materials in parts by weight: 7 parts of nano kaolin, 7 parts of menthane amide type derivatives, 3 parts of eucalyptus ethanol extract, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of tristearin, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 7 parts of nano-grade kaolin into a reaction kettle, adding 95 parts of solvent, stirring at 500-1000 rpm for 20-30 minutes, and completely mixing, wherein the nano-grade kaolin is a natural antibacterial agent, utilizes natural resources while resisting bacteria, and accords with the modern concept of green and environmental protection;
(3) after the mixture is completely mixed, continuously adding 7 parts of menthane carboxamide type derivative, 3 parts of eucalyptus ethanol extract and 12 parts of citronella essential oil into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 6
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of mentha carboxamide type derivatives, 3 parts of eucalyptus ethanol extracts, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of tristearin, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano-scale chitin into a reaction kettle, adding 95 parts of solvent, stirring at 500-1000 rpm for 20-30 minutes until the nano-scale chitin is completely mixed, wherein the nano-scale chitin is a natural antibacterial agent, and utilizes natural resources while resisting bacteria, so that the novel environment-friendly antibacterial agent conforms to the modern concept of green and environment protection;
(3) after the mixture is completely mixed, continuously adding 7 parts of menthane carboxamide type derivative, 3 parts of eucalyptus ethanol extract and 12 parts of citronella essential oil into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 7
(1) Weighing the following raw materials in parts by weight: 7 parts of menthane carboxamide derivative, 3 parts of eucalyptus ethanol extract, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of glyceryl tristearate, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) After completely mixing, continuously adding 7 parts of menthane amide type derivatives, 3 parts of eucalyptus ethanol extract and 12 parts of citronella essential oil into a reaction kettle, adding 95 parts of solvent, stirring for 10 minutes at 500-1000 rpm;
(3) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(4) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(5) discharging and packaging to obtain a sample.
Comparative example 8
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of nano kaolin, 4 parts of bamboo powder, 3 parts of eucalyptus ethanol extract, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of tristearin, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano chitin, 7 parts of nano kaolin and 4 parts of bamboo powder into a reaction kettle, adding 95 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the mixture is completely mixed, continuously adding 3 parts of eucalyptus ethanol extract and 12 parts of citronella essential oil in a reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 9
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of nano kaolin, 4 parts of bamboo powder, 7 parts of mentha carboxamide type derivative, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of tristearin, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano chitin, 7 parts of nano kaolin and 4 parts of bamboo powder into a reaction kettle, adding 95 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the mixture is completely mixed, continuously adding 7 parts of menthane carboxamide derivative and 12 parts of citronella essential oil in the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 10
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of nano kaolin, 4 parts of bamboo powder, 7 parts of mentha carboxamide type derivatives, 3 parts of eucalyptus ethanol extract, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of tristearin, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano chitin, 7 parts of nano kaolin and 4 parts of bamboo powder into a reaction kettle, adding 95 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the mixture is completely mixed, continuously adding 7 parts of menthane amide type derivative and 3 parts of eucalyptus ethanol extract in a reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 11
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of nano kaolin, 4 parts of bamboo powder, 12 parts of citronella essential oil, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of glyceryl tristearate, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano chitin, 7 parts of nano kaolin and 4 parts of bamboo powder into a reaction kettle, adding 95 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the mixture is completely mixed, continuously adding 12 parts of citronella essential oil into the reaction kettle, and stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 12
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of nano kaolin, 4 parts of bamboo powder, 3 parts of eucalyptus ethanol extract, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of glyceryl tristearate, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano chitin, 7 parts of nano kaolin and 4 parts of bamboo powder into a reaction kettle, adding 95 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the eucalyptus ethanol extract is completely mixed, continuously adding 3 parts of eucalyptus ethanol extract into the reaction kettle, and stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 13
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of nano kaolin, 4 parts of bamboo powder, 7 parts of menthane amide type derivatives, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of glyceryl tristearate, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano chitin, 7 parts of nano kaolin and 4 parts of bamboo powder into a reaction kettle, adding 95 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) after the mixture is completely mixed, continuously adding 7 parts of the menthane carboxamide derivative into the reaction kettle, stirring for 10 minutes at 500-1000 rpm;
(4) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(5) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(6) discharging and packaging to obtain a sample.
Comparative example 14
(1) Weighing the following raw materials in parts by weight: 5 parts of nano chitin, 7 parts of nano kaolin, 4 parts of bamboo powder, 10 parts of 3, 8-terpineol, 6 parts of benzyl benzoate, 5 parts of glyceryl tristearate, 8 parts of tert-butyl p-hydroxyanisole and 95 parts of solvent.
(2) Adding 5 parts of nano chitin, 7 parts of nano kaolin and 4 parts of bamboo powder into a reaction kettle, adding 95 parts of solvent at 500-1000 rpm, and stirring for 20-30 minutes until the components are completely mixed;
(3) continuously adding 10 parts of 3, 8-terpineol and 6 parts of benzyl benzoate into the reaction kettle at 500-1000 rpm, and stirring for 10 minutes;
(4) continuously adding 5 parts of glyceryl tristearate and 8 parts of tert-butyl p-hydroxyanisole into the reaction kettle, stirring for 10-20 minutes at 500-1000 rpm;
(5) discharging and packaging to obtain a sample.
Performance testing
And (3) putting 9 treated completely identical fabrics into the environment-friendly biomass antibacterial and insect-repellent agent samples of examples 1, 2, 3 and 4 and comparative examples 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14, soaking, taking out after 10-20 minutes, and then air-drying or drying at a temperature of below 80 ℃ to obtain 18 fabrics which are antibacterial and insect-repellent.
The test method comprises the following steps:
(9 pieces of the fabrics which have been antibacterial and anthelmintic are subjected to an antibacterial test. The method needs to drop or spread the bacterial liquid on a sample for culturing for 24 hours, the nutrition temperature, humidity, pH, time and the like need to be strictly controlled in the process, and finally the antibiotic rate is calculated by using movable plate counting. Coli was used in this experiment.
Secondly, performing insect repellency test on 9 pieces of antibacterial and insect repellent fabrics, wherein the method needs to put a sample into a box with an outlet and the same quantity and types of insects for testing for 2 hours, the nutrition temperature, humidity, pH, time and the like need to be strictly controlled in the process, and finally, the insect repellency is judged by observing the type and the quantity of the insects. The quantity of the insects before and after calculation is compared in percentage, and the lower the percentage of the remaining insects is, the better the insect repelling performance is.
The test results are shown in table 1.
TABLE 1
Fig. 1 is photographs of the results of the antibacterial tests of example 3, comparative example 5, comparative example 6, and comparative example 7, in which (a) is the photograph of the result of the antibacterial test of example 3, (b) is the photograph of the result of the antibacterial test of comparative example 5, (c) is the photograph of the result of the antibacterial test of comparative example 6, and (d) is the photograph of the result of the antibacterial test of comparative example 7.
As can be seen from the antibacterial test results shown in fig. 1 and the data in table 1, in examples 1 to 4, the natural antibacterial agent includes three components of nano-scale chitin, nano-scale kaolin and bamboo powder, and has a better antibacterial property, particularly, the optimal antibacterial effect is achieved in the case of the mixture ratio of nano-scale chitin, nano-scale kaolin and bamboo powder in example 3;
in comparative examples 1-3, one component of the natural antibacterial agent is deleted, so that the antibacterial performance is reduced; in comparative examples 4-6, two components in the natural antibacterial agent are respectively deleted, the antibacterial performance is obviously reduced, and the reduction range of the performance is larger than the sum of the reduction ranges of the performance of the components which are deleted; comparative example 7, in which all the natural antibacterial agent components were missing, had the worst antibacterial effect; therefore, the three components of the natural antibacterial agent, namely the nano chitin, the nano kaolin and the bamboo powder, generate a synergistic effect.
As can be seen from the data in table 1, in examples 1 to 4, the three components including the menthoamide derivative, the eucalyptus ethanol extract and the citronella essential oil have good insect repelling performance, and particularly, the best insect repelling effect is achieved under the mixture ratio of the menthoamide derivative, the eucalyptus ethanol extract and the citronella essential oil in example 3;
in comparative examples 8 to 10, one component was missing, and the insect-repellent performance was reduced; the two components are respectively deleted in the comparative examples 11-13, the insect repelling performance is obviously reduced, and the reduction range of the performance is larger than the sum of the reduction ranges of the performance of the components which are deleted; comparative example 14, in which all three components were missing, had the worst insect-repellent effect; therefore, synergistic effects are generated among the three components of the menthane carboxamide derivative, the eucalyptus ethanol extract and the citronella essential oil.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A preparation method of an environment-friendly biomass antibacterial insect repellent is characterized by comprising the following steps: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
weighing the following raw materials: nano chitin, nano kaolin, bamboo powder, mentha carboxamide type derivatives, eucalyptus ethanol extract, citronella essential oil, 3, 8-terpineol, benzyl benzoate, a dispersing agent, an antioxidant and a solvent;
completely mixing the nano chitin, the nano kaolin and the bamboo powder;
continuously adding menthane amide type derivative, eucalyptus ethanol extract and citronella essential oil, stirring and mixing;
continuously adding 3, 8-terpineol and benzyl benzoate, and stirring and mixing;
and continuously adding the dispersing agent and the antioxidant, stirring and mixing, discharging and packaging to obtain the environment-friendly biomass antibacterial insect repellent.
2. The method for preparing the environment-friendly biomass antibacterial insect repellent according to claim 1, characterized in that: the raw materials are weighed, and 3-6 parts of nano chitin, 6-7 parts of nano kaolin, 2-5 parts of bamboo powder, 4-9 parts of mentha carboxamide derivative, 2-3 parts of eucalyptus ethanol extract, 9-14 parts of citronella essential oil, 8-11 parts of 3, 8-terpineol, 4-7 parts of benzyl benzoate, 2-7 parts of dispersing agent, 6-9 parts of antioxidant and 80-100 parts of solvent are weighed according to parts by weight.
3. The method for preparing the environment-friendly biomass antibacterial insect repellent according to claim 2, characterized in that: the raw materials are weighed, and 3 parts of nano chitin, 6 parts of nano kaolin, 2 parts of bamboo powder, 4 parts of mentha carboxamide type derivatives, 2 parts of eucalyptus ethanol extracts, 9 parts of citronella essential oil, 8 parts of 3, 8-terpineol, 4 parts of benzyl benzoate, 2 parts of dispersing agents, 6 parts of antioxidants and 80 parts of solvents are weighed according to parts by weight.
4. The method for preparing the environment-friendly biomass antibacterial insect repellent according to any one of claims 1 to 3, wherein: the nano chitin, the nano kaolin and the bamboo powder are completely mixed and stirred for 20-30 minutes at 500-1000 rpm.
5. The method for preparing the environment-friendly biomass antibacterial insect repellent according to claim 4, characterized in that: adding the menthane carboxamide derivative, the eucalyptus ethanol extract and the citronella essential oil, stirring and mixing, and stirring for 10 minutes at 500-1000 rpm.
6. The method for preparing the environment-friendly biomass antibacterial insect repellent according to any one of claims 1 to 3 and 5, wherein the method comprises the following steps: and adding 3, 8-terpineol and benzyl benzoate, stirring and mixing, and stirring for 10 minutes at 500-1000 rpm.
7. The method for preparing the environment-friendly biomass antibacterial insect repellent according to claim 6, characterized in that: and adding a dispersing agent and an antioxidant, stirring and mixing, and stirring for 10-20 minutes at 500-1000 rpm.
8. An environment-friendly biomass antibacterial insect repellent is characterized in that: the antibacterial agent comprises, by weight, 3-6 parts of nano-scale chitin, 6-7 parts of nano-scale kaolin, 2-5 parts of bamboo powder, 4-9 parts of a mentha carboxamide derivative, 2-3 parts of an eucalyptus ethanol extract, 9-14 parts of citronella essential oil, 8-11 parts of 3, 8-terpineol, 4-7 parts of benzyl benzoate, 2-7 parts of a dispersing agent, 6-9 parts of an antioxidant and 80-100 parts of a solvent.
9. The environment-friendly biomass antibacterial insect repellent according to claim 8, characterized in that: the antioxidant is one or more of sodium sulfite, sodium pyrosulfite, dibutyl phenol and tert-butyl p-hydroxyanisole.
10. The environment-friendly biomass antibacterial insect repellent according to claim 8 or 9, characterized in that: the solvent is one or more of water and absolute ethyl alcohol.
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