CN110432264A - A kind of medicament-carrying nano-microsphere, slow releasing pharmaceutical expelling parasite Pet neck ring and preparation method thereof - Google Patents

A kind of medicament-carrying nano-microsphere, slow releasing pharmaceutical expelling parasite Pet neck ring and preparation method thereof Download PDF

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Publication number
CN110432264A
CN110432264A CN201910726959.6A CN201910726959A CN110432264A CN 110432264 A CN110432264 A CN 110432264A CN 201910726959 A CN201910726959 A CN 201910726959A CN 110432264 A CN110432264 A CN 110432264A
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medicament
microsphere
carrying nano
slow releasing
neck ring
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Inventor
周武艺
万美玲
周淑贞
元晓琪
董先明
郑文旭
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Foshan Nanhai Eastern Along Pharmaceutical Co Ltd
South China Agricultural University
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Foshan Nanhai Eastern Along Pharmaceutical Co Ltd
South China Agricultural University
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Priority to CN201910726959.6A priority Critical patent/CN110432264A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K27/00Leads or collars, e.g. for dogs
    • A01K27/007Leads or collars, e.g. for dogs with insecticide-dispensing means
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A01N25/10Macromolecular compounds

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Dentistry (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Plant Pathology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Agronomy & Crop Science (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Abstract

The invention discloses a kind of medicament-carrying nano-microspheres, functional modification is carried out to template object using modified additive, prepare the mesoporous material that there is uniform pore size and stablize release drug, since surface modification can be with template object surface generating unit point chemical reaction, pass through the method for dissolve-repreparation, using the means vacuumized by drug loading to mesoporous road, mesoporous material-medicament-carrying nano-microsphere of carrying medicament is made.Reselection has the high molecular polymer of good biocompatibility, preferable mechanical performance, carries out blending and stirring, molding, slow releasing pharmaceutical expelling parasite Pet neck ring with program and medicament-carrying nano-microsphere according to a certain ratio.Slow releasing pharmaceutical expelling parasite Pet neck ring of the invention has good mechanical property, excellent anthelminthic effect and preferable biocompatibility, and production and processing convenience is easy the features such as preparing;It can be widely applied in pet field, especially pet health management domain, the accuracy for curing parasitic disease can be improved, provide new approach to reduce zoonosis.

Description

A kind of medicament-carrying nano-microsphere, slow releasing pharmaceutical expelling parasite Pet neck ring and preparation method thereof
Technical field
The invention belongs to pet health medicine and high molecular material New Processing field, and in particular to a kind of load medicine is received Meter Wei Qiu, slow releasing pharmaceutical expelling parasite Pet neck ring and preparation method thereof.
Background technique
As pet more and more enters the family of people, they have played the value of itself well, or accompany With owner, or it is to aid in owner, almost every kind of pet can meet the needs of owner is in terms of certain.In the process accompanied mutually In, owner is higher and higher for the attention degree of pet, more and more emotions is generated, or even as a member of family, in this feelings Under condition, a kind of emotion that concern pet health becomes pet owner is entrusted to the care of, and also becomes the normality in pet life.
Pet is influenced by factors such as rearing conditions, raising habits, can generate some helminths in vivo.Such as to pet Dog dog eats raw meat, pet likes brill thick grass etc. all can generate the chance of helminth to its inside and outside.Pet helminth is divided into external Helminth and endoparasite, vermin mainly have: flea, louse, itch mite, ear mite, tick worm etc., infect vermin Pet usually can be with pruitus, redness, pain etc., such as flea, skin will appear redness after pet infection flea, Also it can lose hair or feathers and suppurate when serious;Endoparasite is mainly roundworm, tapeworm, hookworm, heartworm, infects these helminths, dotes on Object can generate loss of appetite, syntexis, listless etc., wherein infection heartworm is likely to cause pet sudden death.And owner be with The people that pet is in the most contact, some pet owners, which are also eaten together with pet, sleeps together, the parasitic infection being easiest to by pet, as The helminths such as flea, roundworm, heartworm are all that people dotes on total trouble, they can not only endanger the health of pet, while can also endanger and dote on The health of owner people.For family health, especially child and old man, while ensuring the health of pet, love is doted on and is timed Expelling parasite is very important.
Summary of the invention
In view of the active love of pet is dynamic and the complexity of feeding environment, the present invention researches and develops a kind of medicament-carrying nano-microsphere, and with Medicament-carrying nano-microsphere and high molecular polymer are raw material, are prepared into a kind of slow releasing pharmaceutical expelling parasite Pet neck ring, have good life Object compatibility, suitable mechanical property and good anthelminthic effect.
To solve the above problems, the invention is realized by the following technical scheme:
Slow releasing pharmaceutical expelling parasite Pet neck ring of the present invention, which is characterized in that the raw material including following parts by weight: high molecular polymer 60-99 parts and medicament-carrying nano-microsphere 1-40 parts.
The high molecular polymer is one of polyurethane, gutta-percha, polyethylene, silicon rubber and polycaprolactone or one Kind or more.The polyurethane molecular amount is not less than 80,000, and gutta-percha molecular weight is not less than 80,000, and Molecular Weight of Silicone Rubber is not less than 10 Ten thousand, polycaprolactone molecular weight is not less than 40,000.
The medicament-carrying nano-microsphere is made of following steps:
(1) surfactant is soluble in water, under the conditions of 60-85 DEG C persistently stir (revolving speed 1000-2000rpm), successively plus Enter triethanolamine and ethyl orthosilicate, be centrifuged suction filtration after being stirred to react 1-5h, gained filter residue is dried into (40-80 DEG C), (is placed in horse Not in furnace) calcining (300-700 DEG C of calcining 2-6h), obtain powder mesoporous particles;
(2) by gained powder mesoporous particles and dimethylbenzene, surface modifier under nitrogen atmosphere protection, in 80-96 DEG C of water-bath 24-48h is reacted, is then centrifuged, filtered, gained filter residue is dried into (50-85 DEG C), obtains modified mesoporous material;
(3) gained modified mesoporous material and a certain amount of drug are placed in ethyl alcohol, (ultrasound) disperses 0.5-5h, then (is with revolving speed 1200-3000rpm stirring) vacuum decentralized processing 5-60min, while deionized water is added dropwise, continue to disperse 20-48h, then carry out Centrifugation filters, drying (55-80 DEG C), obtains medicament-carrying nano-microsphere.
Surfactant as described in step (1) is cationic surfactant or anionic surfactant, middle-jiao yang, function of the spleen and stomach Ionic surface active agent be cetyl trimethylammonium bromide, cetyl trimethyl to one of toluene sulphur ammonium or it is a kind of with On;Anionic surfactant be one of anionic polyacrylamide, neopelex or more than one.
Surface modifier described in step (2) is silane coupling agent, stearic acid, oleic acid, one in titanate coupling agent Kind or more than one.
Drug described in step (3) is Amitraz, imidacloprid, Nylar, Fipronil, basudin, decis, kills Worm fear, methoprene, Permethrin and Flumethrin, diflubenzuron, d ichlorbenzuron, flufenoxuron, rice are one of full etc. or a kind of More than.
Surfactant used in step (1): triethanolamine: ethyl orthosilicate: the ratio between water is (0.1-2g): (0.1-1g): (5-10mL): (40-100mL).
Powder mesoporous particles used in step (2): dimethylbenzene: the ratio between surface modifier is (0.1-2g): (50-100mL): (1-10mL).
Modified mesoporous material used in step (3): drug: ethyl alcohol: the ratio between deionized water is (0.1-1g): (0.1-5g): (20-50mL): (20-50mL).
The preparation method of above-mentioned slow releasing pharmaceutical expelling parasite Pet neck ring, comprising the following steps:
The raw material (10-60min at high-speed mixer revolving speed 3000-5000rpm) is blended uniformly the first step, then will Mixture adds twin-screw extrude melting mixing extrusion, then carries out cooling, pelletizing, obtains slow releasing pharmaceutical composite material granular Material;
Each parameter setting of double screw extruder are as follows:
Second step prepares slow releasing pharmaceutical expelling parasite Pet neck ring by molding equipment (hot press, press machine or melting pelleter).
The present invention has following positive beneficial effect:
(1) expelling parasite Pet neck ring of the present invention has good mechanical property, excellent anthelminthic effect and preferable biocompatibility; In addition, the expelling parasite Pet neck ring obtained has drug slow release function, stable anthelmintic action can be reached with sustained release drugs, is improved The purpose of the effective expelling parasite of pet;
(2) present invention carries out functional modification to template object using modified additive, and preparation has uniform pore size and stablizes release The mesoporous material of drug.Since surface modification can pass through the side of dissolve-repreparation with template object surface generating unit point chemical reaction The mesoporous material that carrying medicament in drug loading to mesoporous road, is made is had acid response release using the means vacuumized by method The function of drug, and there is excellent biocompatibility.
(3) present invention uses medical grade polycaprolactone for high molecular polymer, and backbone provides excellent soft bullet Property, draftability and suitable viscosity, may not need binder, and then improve the accuracy of production and processing, using comfortable etc..
Detailed description of the invention
For the technical solution that the present invention is furture elucidated, institute in embodiment or description of the prior art will be simply introduced below Attached drawing to be used is needed, drawings in the following description are only some embodiments of the invention, for ordinary skill people For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the process flow chart of the embodiment of the present invention 1;
Fig. 2 is the external elution profiles of 1-4 of the embodiment of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples, but embodiments of the present invention are not limited thereto.
Embodiment 1
A kind of slow releasing pharmaceutical expelling parasite Pet neck ring is prepared by the component of polyurethane and medicament-carrying nano-microsphere based on following parts by weight It forms:
Polyurethane: 78 parts,
Medicament-carrying nano-microsphere: 22 parts.
The preparation method of medicament-carrying nano-microsphere uses following steps:
(1) 1.25g cetyl trimethyl is dissolved in 50mL deionized water toluene sulphur ammonium, magnetic agitation at 80 DEG C, successively 0.15g triethanolamine and 8.0mL ethyl orthosilicate is added, is centrifuged suction filtration after stirring 2h, 60 DEG C of drying are placed in 600 DEG C of Muffle furnaces Middle calcining 4h obtains powder LMSN mesoporous particles;
(2) powder LMSN mesoporous particles and 100mL dimethylbenzene, the 1.85mL for weighing 1.25g above-mentioned steps (1) acquisition are silane coupled Agent is reacted for 24 hours under nitrogen atmosphere protection in 95 DEG C of water-baths, and centrifugation filters, and drying is obtained with amino modified mesoporous dioxy SiClx NH2-LMSN;
(3) the 0.10g NH for preparing above-mentioned steps (2)2- LMSN and 0.5g Amitraz are placed in 20mL dehydrated alcohol, ultrasound 0.5h is vacuum-treated 10min under magnetic stirring, and 20mL deionized water is added dropwise, and vibrates in shaking table for 24 hours, centrifugation, suction filtration, 60 DEG C drying, obtain the nanosphere of carrying medicament.
The preparation method of the present embodiment slow releasing pharmaceutical expelling parasite Pet neck ring, comprising the following steps:
(1) 10min is blended at high-speed mixer 3000rpm in above-mentioned raw materials, obtains uniform mixture;It then, will be uniform Mixture be added in double screw extruder that melting mixing squeezes out, water is cooling and pelletizing, twin-screw temperature setting an are as follows: area 160 DEG C, 165 DEG C of 2nd area, 170 DEG C of 3rd area, 175 DEG C of 4th area, 180 DEG C of 5th area, 170 DEG C of head area, 155 DEG C of melt temperature, twin-screw turn Speed is 18.5r/min, and pelletizing speed is 11.3r/min, finally obtains uniformly mixed composite material granular material;
(2) slow releasing pharmaceutical expelling parasite Pet neck ring is prepared by hot press, sees Fig. 2.
Embodiment 2
A kind of slow releasing pharmaceutical expelling parasite Pet neck ring is prepared by the component of polyurethane and medicament-carrying nano-microsphere based on following parts by weight It forms:
Polyurethane: 85 parts,
Medicament-carrying nano-microsphere: 15 parts.
The preparation method of medicament-carrying nano-microsphere, using following steps:
(1) 0.96g cetyl trimethylammonium bromide is dissolved in 50mL deionized water, magnetic agitation at 85 DEG C sequentially adds 0.2g triethanolamine and 8.0mL ethyl orthosilicate are centrifuged suction filtration after stirring 1h, and 70 DEG C of drying are placed in 700 DEG C of Muffle furnaces and calcine 3h obtains powder SMSN mesoporous particles;
(2) powder SMSN mesoporous particles and 100mL dimethylbenzene, the 1.5mL for weighing 0.96g above-mentioned steps (1) acquisition are silane coupled Agent reacts 20h under nitrogen atmosphere protection in 90 DEG C of water-baths, and centrifugation filters, and drying is obtained with amino modified mesoporous dioxy SiClx NH2-SMSN;
(3) the 0.10g NH for preparing above-mentioned steps (2)2- SMSN and 0.4g imidacloprid are placed in 20mL dehydrated alcohol, ultrasound 1h is vacuum-treated 20min under magnetic stirring, and 20mL deionized water is added dropwise, and vibrates in shaking table for 24 hours, and centrifugation filters, 80 DEG C Drying, obtains the nanosphere of carrying medicament.
The preparation method of the present embodiment slow releasing pharmaceutical expelling parasite Pet neck ring, comprising the following steps:
(1) 20min is blended at high-speed mixer 1500rpm in above-mentioned raw materials, obtains uniform mixture;It then, will be uniform Mixture be added in double screw extruder melting mixing squeeze out, air cooling and pelletizing, twin-screw temperature setting an are as follows: area 170 DEG C, 175 DEG C of 2nd area, 176 DEG C of 3rd area, 178 DEG C of 4th area, 180 DEG C of 5th area, 175 DEG C of head area, 167 DEG C of melt temperature, twin-screw turn Speed is 20r/min, and pelletizing speed is 15r/min, finally obtains uniformly mixed composite material granular material;
(2) slow releasing pharmaceutical expelling parasite Pet neck ring is prepared by hot press.
Embodiment 3
A kind of slow releasing pharmaceutical expelling parasite Pet neck ring is prepared by the component of gutta-percha and medicament-carrying nano-microsphere based on following parts by weight It forms:
Gutta-percha: 65 parts,
Medicament-carrying nano-microsphere: 35 parts.
The preparation method of medicament-carrying nano-microsphere, using following steps:
(1) 0.96g cetyl trimethylammonium bromide is dissolved in 50mL deionized water, magnetic agitation at 90 DEG C sequentially adds 0.15g triethanolamine and 8.0mL ethyl orthosilicate are centrifuged suction filtration after stirring 2h, and 80 DEG C of drying are placed in 600 DEG C of Muffle furnaces and forge 5h is burnt, powder SMSN mesoporous particles are obtained;
(2) powder SMSN mesoporous particles and 100mL dimethylbenzene, the 1.85mL for weighing 0.96g above-mentioned steps (1) acquisition are silane coupled Agent reacts 20h under nitrogen atmosphere protection in 90 DEG C of water-baths, and centrifugation filters, and drying is obtained with amino modified mesoporous dioxy SiClx NH2-SMSN;
(3) the 0.10g NH for preparing above-mentioned steps (2)2- SMSN and 0.6g imidacloprid and 0.2g Flumethrin are placed in In 20mL dehydrated alcohol, ultrasonic 1h is vacuum-treated 20min under magnetic stirring, and 20mL deionized water is added dropwise, vibrates in shaking table For 24 hours, it is centrifuged, filters, 60 DEG C of drying, obtaining the nanosphere of carrying medicament.
The preparation method of the present embodiment slow releasing pharmaceutical expelling parasite Pet neck ring, comprising the following steps:
(1) 15min is blended at high-speed mixer 4000rpm in above-mentioned raw materials, obtains uniform mixture;It then, will be uniform Mixture be added in double screw extruder that melting mixing squeezes out, water is cooling and pelletizing, twin-screw temperature setting an are as follows: area 172 DEG C, 175 DEG C of 2nd area, 178 DEG C of 3rd area, 182 DEG C of 4th area, 185 DEG C of 5th area, 180 DEG C of head area, 169 DEG C of melt temperature, twin-screw turn Speed is 16r/min, and pelletizing speed is 10r/min, finally obtains uniformly mixed composite material granular material;
(2) slow releasing pharmaceutical expelling parasite Pet neck ring is prepared by melt extruder.
Embodiment 4
A kind of component system of slow releasing pharmaceutical expelling parasite Pet neck ring by polycaprolactone and medicament-carrying nano-microsphere based on following parts by weight It is standby to form:
Polycaprolactone: 90 parts,
Medicament-carrying nano-microsphere: 10 parts.
The preparation method of medicament-carrying nano-microsphere, using following steps:
(1) 1.25g cetyl trimethyl is dissolved in 60mL deionized water toluene sulphur ammonium, magnetic agitation at 75 DEG C, successively 0.15g triethanolamine and 8.0mL ethyl orthosilicate is added, is centrifuged suction filtration after stirring 3h, 80 DEG C of drying are placed in 650 DEG C of Muffle furnaces Middle calcining 4.5h obtains powder LMSN mesoporous particles;
(2) powder LMSN mesoporous particles and 100mL dimethylbenzene, the 1.85mL for weighing 1.25g above-mentioned steps (1) acquisition are silane coupled Agent is reacted for 24 hours under nitrogen atmosphere protection in 85 DEG C of water-baths, and centrifugation filters, and drying is obtained with amino modified mesoporous dioxy SiClx NH2-LMSN;
(3) the 0.10g NH for preparing above-mentioned steps (2)2- LMSN and 0.5g Flumethrin are placed in 20mL dehydrated alcohol, Ultrasonic 2h is vacuum-treated 10min under magnetic stirring, and 20mL deionized water is added dropwise, and 30h is vibrated in shaking table, be centrifuged, filter, 80 DEG C of drying, obtain the nanosphere of carrying medicament.
The preparation method of the present embodiment slow releasing pharmaceutical expelling parasite Pet neck ring, comprising the following steps:
(1) 10min is blended at high-speed mixer 4500rpm in above-mentioned raw materials, obtains uniform mixture;It then, will be uniform Mixture be added in double screw extruder that melting mixing squeezes out, water is cooling and pelletizing, twin-screw temperature setting an are as follows: area 178 DEG C, 180 DEG C of 2nd area, 183 DEG C of 3rd area, 185 DEG C of 4th area, 190 DEG C of 5th area, 184 DEG C of head area, 170 DEG C of melt temperature, twin-screw turn Speed is 24r/min, and pelletizing speed is 16r/min, finally obtains uniformly mixed composite material granular material;
(2) slow releasing pharmaceutical expelling parasite Pet neck ring is prepared by sheet-punching machine.
Performance test:
Composite material prepared in embodiment 1-4 step is printed as standard batten using injection molding machine, to batten obtained into Row Mechanics Performance Testing refers to GB 1040-2006, GB 9341-2008 and GB 1043-2008 respectively;Biocompatibility reference MTT test is tested in YY/T 0993-2015, and the anthelminthic effect of composite material is tested with reference to following scheme, above-mentioned reality The performance for applying sample obtained by example is more as shown in table 1.
1 slow releasing pharmaceutical composite property testing result of table
Anthelminthic effect testing scheme: from July, 2018 to during in October, 2018, in Guangdong Quan Zhi farm, implemented The performance measurement test of example, is tested duration 2 months.Choose 5 independent doghouses, each each 10 small-sized Poodles of doghouse, male and female Fifty-fifty, monthly age and weight are suitable, only cage raising.Doghouse 1-4 carries the necklace of above-described embodiment 1-4 respectively, and the 5th doghouse is sky White control group, does not make specially treated.To judge the other safety of each group and insect-repellent, the 2nd day after wearing necklace, the 10th It, the 30th day and the 60th day, whether the body surface for detecting experimental animal there are the allergic phenomenas such as redness, hair loss, if there is obvious skin Skin is damaged, remembers 0 point;There is fash, remembers 1 point;Only there is red and swollen, 2 points of note;There is hair missing, remember 3 points, without significant abnormal, note 5 points.Go through experimental animal simultaneously, be confirmed whether to occur the adults of common vermin such as flea, louse or tick worm or Excreta, if discovery remembers 0 point more than 5 or more adults and discovery helminth excreta;It was found that 2 or more 5 or less adults, Regardless of whether there is helminth excreta, 1 point is remembered;It was found that 1 to 2 adult and helminth excreta, or without discovery adult but post Infested excreta remembers 2 points;It was found that 2 or less adults, but without discovery helminth excreta, remember 3 points;Without discovery adult and helminth Excreta remembers 5 points.Each group average record is as follows:
2 clinical test results of table
Conclusion: the safety of embodiment 3 and disinsectization performance are the most outstanding, and embodiment 1,2 and 4 is slightly taken second place, but aobvious in general It writes better than the blank test group 5 without using embodiment, it was demonstrated that invention described in this patent can effectively prevent the epizoonosis of dog.
As shown in Table 1, a kind of above-mentioned slow releasing pharmaceutical expelling parasite Pet neck ring composite material have good mechanical property and compared with The features such as good biocompatibility, production and processing is simple, is easy preparation.By the safety and insect-repellent in table 2 it is found that above-mentioned system Standby Pet neck ring has excellent anthelmintic action and biocompatibility, can effectively inhibit the growth of helminth, it is ensured that pet It grows up healthy and sound.
Above-mentioned case study on implementation only describes several specific embodiments of the invention, rather than to the invention patent model The limitation enclosed, it may be that, it for those of ordinary skill in the art, without creative efforts, can be with Different improvement is made according to these attached drawings and obtains other attached drawings, and these are all within the scope of protection of the present invention.Therefore, this hair The scope of protection shall be subject to the appended claims for bright patent.

Claims (10)

1. a kind of medicament-carrying nano-microsphere, which is characterized in that be prepared from the following steps:
(1) surfactant is soluble in water, it is persistently stirred under the conditions of 60-85 DEG C, sequentially adds triethanolamine and positive silicic acid second Ester is centrifuged after being stirred to react and filters, gained filter residue is dried, and calcines, obtains powder mesoporous particles;
(2) by gained powder mesoporous particles and dimethylbenzene, surface modifier under nitrogen atmosphere protection, in 80-96 DEG C of water-bath 24-48h is reacted, is then centrifuged, filtered, gained filter residue is dried, modified mesoporous material is obtained;
(3) gained modified mesoporous material and a certain amount of drug are placed in ethyl alcohol, disperse, then vacuum decentralized processing, is added dropwise simultaneously Deionized water continues to disperse 20-48h, is then centrifuged, filtered, dried, obtains medicament-carrying nano-microsphere.
2. medicament-carrying nano-microsphere according to claim 1, it is characterised in that: the surfactant is cationic surface Activating agent or anionic surfactant, wherein cationic surfactant is cetyl trimethylammonium bromide, cetyl Trimethyl to one of toluene sulphur ammonium or more than one;Anionic surfactant is anionic polyacrylamide, dodecane One of base benzene sulfonic acid sodium salt or more than one;The surface modifier is silane coupling agent, stearic acid, oleic acid, titanate esters One of coupling agent or more than one.
3. medicament-carrying nano-microsphere according to claim 1, it is characterised in that: surfactant used in step (1): three Ethanol amine: ethyl orthosilicate: the ratio between water is (0.1-2) g:(0.1-1) g:(5-10) mL:(40-100) mL.
4. medicament-carrying nano-microsphere according to claim 1, it is characterised in that: powder mesoporous particles used in step (2): Dimethylbenzene: the ratio between surface modifier is (0.1-2) g:(50-100) mL:(1-10) mL.
5. medicament-carrying nano-microsphere according to claim 1, it is characterised in that: modified mesoporous material used in step (3): Drug: ethyl alcohol: the ratio between deionized water is (0.1-1) g:(0.1-5) g:(20-50) mL:(20-50) mL.
6. medicament-carrying nano-microsphere according to claim 1, it is characterised in that: step (1) is described to be stirred to react lasting 1-5h, The drying condition is 40-80 DEG C, and the calcining is to be placed in Muffle furnace with 300-700 DEG C of calcining 2-6h;Step (2) described baking Dry condition is 50-85 DEG C;Step (3) is described to be separated into ultrasonic disperse 0.5-5h, and the vacuum is separated under vacuumized conditions Mechanical stirring 5-60min, the drying condition are 55-80 DEG C.
7. a kind of slow releasing pharmaceutical expelling parasite Pet neck ring, which is characterized in that the raw material including following parts by weight: high molecular polymer Described medicament-carrying nano-microsphere 1-40 parts of any one of 60-99 parts and claim 1-7.
8. slow releasing pharmaceutical expelling parasite Pet neck ring according to claim 7, it is characterised in that: the high molecular polymer is One of polyurethane, gutta-percha, polyethylene, silicon rubber and polycaprolactone or more than one.
9. slow releasing pharmaceutical expelling parasite Pet neck ring according to claim 7, it is characterised in that: the drug is pyrethroid Esters, phenyl pyrazoles, formamidine, nicotinoids, organophosphorus insecticides and juvenile hormone class, phenylate class, benzoylphenyl urea, anti-guarantor One of young steroids, moulting hormone class, chitin synthesis inhibitor class insect growth regulator, IGR or more than one.
10. the preparation method of slow releasing pharmaceutical expelling parasite Pet neck ring described in claim 7, which comprises the following steps:
The raw material is blended uniformly the first step, then feeds the mixture into melting mixing in double screw extruder and squeezes out, then into Row cooling, pelletizing obtain slow releasing pharmaceutical composite material granular material;
Each parameter setting of double screw extruder are as follows:
Second step prepares slow releasing pharmaceutical expelling parasite Pet neck ring by molding equipment.
CN201910726959.6A 2019-08-07 2019-08-07 A kind of medicament-carrying nano-microsphere, slow releasing pharmaceutical expelling parasite Pet neck ring and preparation method thereof Pending CN110432264A (en)

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CN111235756A (en) * 2020-02-15 2020-06-05 华南农业大学 Novel dustproof, antibacterial and antiviral nanofiber mask
CN111869957A (en) * 2020-07-13 2020-11-03 黑龙江东方学院 Fungi-proofing fog-absorbing mask
CN113575575A (en) * 2021-08-09 2021-11-02 华南农业大学 Film-coated drug-loaded microsphere, drug-sustained-release insect-expelling pet collar and preparation method thereof
CN115885989A (en) * 2022-10-20 2023-04-04 河北农业大学 Slow-release pyrethroid nanoparticle and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101337072A (en) * 2008-08-19 2009-01-07 北京工业大学 Preparation method of sustained and controlled release medicine material
CN101511191A (en) * 2006-09-11 2009-08-19 住友化学株式会社 Method for preparing insect-repellent compound-containing resin pellet
CN101921427A (en) * 2010-08-06 2010-12-22 奇瑞汽车股份有限公司 Functional high-polymer decorative composite material and preparation method thereof
CN103882543A (en) * 2014-02-10 2014-06-25 上海市合成纤维研究所 Anti-mite antibacterial thermoplastic polymer melt spun fiber and preparation method thereof
EP3094666A1 (en) * 2014-01-14 2016-11-23 Université de Strasbourg Disintegratable porous organometaloxide material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101511191A (en) * 2006-09-11 2009-08-19 住友化学株式会社 Method for preparing insect-repellent compound-containing resin pellet
CN101337072A (en) * 2008-08-19 2009-01-07 北京工业大学 Preparation method of sustained and controlled release medicine material
CN101921427A (en) * 2010-08-06 2010-12-22 奇瑞汽车股份有限公司 Functional high-polymer decorative composite material and preparation method thereof
EP3094666A1 (en) * 2014-01-14 2016-11-23 Université de Strasbourg Disintegratable porous organometaloxide material
CN103882543A (en) * 2014-02-10 2014-06-25 上海市合成纤维研究所 Anti-mite antibacterial thermoplastic polymer melt spun fiber and preparation method thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
吴范宏等: "《应用化学》", 31 August 2016, 上海:华东理工大学出版社 *
杨涛等: "介孔二氧化硅的合成与表征", 《湖南冶金职业技术学院学报》 *
林春梅等: "纳米二氧化硅表面改性及其对阿维菌素吸附和缓释性能", 《生态环境学报》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111235756A (en) * 2020-02-15 2020-06-05 华南农业大学 Novel dustproof, antibacterial and antiviral nanofiber mask
CN111235756B (en) * 2020-02-15 2021-06-04 华南农业大学 Novel dustproof, antibacterial and antiviral nanofiber mask
CN111869957A (en) * 2020-07-13 2020-11-03 黑龙江东方学院 Fungi-proofing fog-absorbing mask
CN113575575A (en) * 2021-08-09 2021-11-02 华南农业大学 Film-coated drug-loaded microsphere, drug-sustained-release insect-expelling pet collar and preparation method thereof
CN113575575B (en) * 2021-08-09 2022-01-28 华南农业大学 Film-coated drug-loaded microsphere, drug-sustained-release insect-expelling pet collar and preparation method thereof
CN115885989A (en) * 2022-10-20 2023-04-04 河北农业大学 Slow-release pyrethroid nanoparticle and preparation method and application thereof
CN115885989B (en) * 2022-10-20 2024-05-03 河北农业大学 Sustained-release pyrethroid nanoparticle and preparation method and application thereof

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