CN109223297A - The discoloration of temperature-sensitive three-level is medical defervescence plaster used and preparation method thereof - Google Patents

The discoloration of temperature-sensitive three-level is medical defervescence plaster used and preparation method thereof Download PDF

Info

Publication number
CN109223297A
CN109223297A CN201810873913.2A CN201810873913A CN109223297A CN 109223297 A CN109223297 A CN 109223297A CN 201810873913 A CN201810873913 A CN 201810873913A CN 109223297 A CN109223297 A CN 109223297A
Authority
CN
China
Prior art keywords
parts
sensitive
temperature
discoloration
defervescence plaster
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810873913.2A
Other languages
Chinese (zh)
Inventor
朱小洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Nash Chemical Co Ltd
Jiangxi Runfeng Pharmaceutical Co Ltd
Original Assignee
Anhui Nash Chemical Co Ltd
Jiangxi Runfeng Pharmaceutical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Nash Chemical Co Ltd, Jiangxi Runfeng Pharmaceutical Co Ltd filed Critical Anhui Nash Chemical Co Ltd
Priority to CN201810873913.2A priority Critical patent/CN109223297A/en
Publication of CN109223297A publication Critical patent/CN109223297A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02Compresses or poultices for effecting heating or cooling
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/01Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0001Body part
    • A61F2007/0002Head or parts thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0059Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit
    • A61F2007/0063Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit for cooling
    • A61F2007/0068Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit for cooling evaporating on the spot to be cooled
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02Compresses or poultices for effecting heating or cooling
    • A61F2007/0225Compresses or poultices for effecting heating or cooling connected to the body or a part thereof
    • A61F2007/0226Compresses or poultices for effecting heating or cooling connected to the body or a part thereof adhesive, self-sticking

Abstract

The invention discloses a kind of new medical is defervescence plaster used, specifically a kind of temperature-sensitive three-level discoloration that can intuitively observe body temperature situation of change according to the change of color in use is defervescence plaster used;It includes spunlace non-woven cloth base fabric, thermosensitive aquagel layer and PP isolation film that this is defervescence plaster used, and thermosensitive aquagel is applied in spunlace non-woven cloth base fabric, then goes up PP isolation film again to obtain the final product;The present invention with crystal violet lactone, fatty alcohol, be hydrated cobalt salt mixture as leuco dye, tetradecylic acid, hexadecylic acid, stearic mixture are as electron acceptor material, and it carries out preferably, effectively promoting the discoloration sensitivity of thermo-sensitive material by the proportion to its component;By addition carragheen, konjac glucomannan, nano silica in hydrogel, its gas permeability and mechanical performance can be effectively promoted, practicability is stronger.

Description

The discoloration of temperature-sensitive three-level is medical defervescence plaster used and preparation method thereof
Technical field
The present invention relates to a kind of new medical is defervescence plaster used, be specifically related to it is a kind of in use can changing according to color Become and intuitively observe that the temperature-sensitive three-level discoloration of body temperature situation of change is medical defervescence plaster used, belongs to the field of medical instrument technology.
Background technique
Children fever is one of the cardinal symptom for threatening children's health, especially low fever's phenomenon of underage child group, because Be not easy to express its subjective feeling for one side underage child, on the other hand, due to the factors such as environment influence, low fever tend to by Ignore, which results in the delays of the state of an illness, gently then affect the normal development of children, heavy then can cause life threat to children;Cause This, in order to which the generation of such carelessness is effectively reduced, it is defervescence plaster used that discoloration occurs in market, on the one hand can be directly by defervescence plaster used Color change and the physical condition for recognizing patient, on the other hand being capable of fast cooling treatment.
Change colour defervescence plaster used because of its validity and convenience, so that it has just been liked by the majority of consumers since listing, closely It several years, is constantly innovated by industry, various Novel color-changings are defervescence plaster used to put goods on the market in succession.
However, it is all that can only become two colors that discoloration currently on the market is defervescence plaster used, i.e., it can only distinguish fever and have no temperature, Low fever and high fever cannot be effectively highlighted, and is very different for the therapeutic scheme of low fever and high fever, especially for baby This kind of special population, in order to not influence its normal growth and development, unless last resort, general it is not recommended that therefore medication is opened Send out that a kind of three-level discoloration that can highlight low fever and high fever is defervescence plaster used to have more practical value;In addition, currently used heat Sensitive allochromatic material is easy to react with outside environmental elements such as water etc., is easy to happen physical chemistry in the case where no protection Matter changes, and so as to cause product failure, therefore, the thermo-sensitive material for how solving conventional type is easy to maintain, easily change affected by environment The defect of matter color development is the method for industry research.
Summary of the invention
The object of the present invention is to provide a kind of temperature-sensitive three-level discoloration it is medical defervescence plaster used so that the variation of color can not only be passed through The physical condition of user is got information about, and can also be provided just by colouring discrimination high fever or low fever for further treatment Benefit accelerates Rehabilitation rate.
Change colour medical defervescence plaster used preparation method it is a further object of the present invention to provide the temperature-sensitive three-level, by its technique Optimization determine, on the one hand, promoted its change colour sensitivity, on the other hand, promote defervescence plaster used mechanical performance, thus promoted in fact The property used.
Technical scheme is as follows:
A kind of temperature-sensitive three-level discoloration is medical defervescence plaster used, including spunlace non-woven cloth base fabric, thermosensitive aquagel layer and PP isolation film, temperature-sensitive Hydrogel is applied in spunlace non-woven cloth base fabric, then goes up PP isolation film again to obtain the final product;Wherein, thermosensitive aquagel layer directly contacts people's Skin absorbs human heat in colloid, then takes away intracorporal heat by the large quantity of moisture rapid evaporation stored in hydrogel Amount, to play cooling effect.
A kind of medical defervescence plaster used preparation method of temperature-sensitive three-level discoloration, includes the following steps:
1) oily phase configuration: raw material is weighed according to the ratio, then glycerol is added in pot, adds the Sodium Polyacrylate weighed up, sweet hydroxyl Aluminium, disodium salt, CMC, PVPP, carragheen, konjaku flour, nano silica press powder in pot, with blender, and glycerol is allowed to soak Moisten powder, in order to avoid powder splashes when stirring, then pot and blender is installed, low speed stirs 1 minute, speed of agitator 30-35r/ Min, middling speed are stirred 8 minutes, and 60-65r/min allows glycerol to stir with powder;
2) water phase configures: polyvinylpyrrolidone being added in mixer by formula, then pure water is added by formula, stirring is equal It is even, until can't see sticky matter in water, then the tartaric acid weighed up, preservative, discoloration microcapsules are poured into water and are stirred evenly;
3) it is stirred under vacuum: mutually successively pouring into oily and be stirred under vacuum in tank with water phase, then pennyroyal freshener is put into vacuum and is stirred It mixes in tank, is then evacuated down to -90mpa again, then stir fastly 2-3 minutes, mixing speed 50-60HZ, then 6-5 minutes are stirred slowly i.e. Can, mixing speed 30-40HZ;Hydrogel after de-airing mixer is mixed can put into coating machine and be coated;
4) it is coated with: the discoloration material of hydrogel three-level made from step 3) is coated on spun laced fabric, form temperature-sensitive three-level discoloration water-setting Then glue-line goes up anti-sticking PP embossing film again, finished product is made;
5) solidify: the finished product that step 4) is obtained is placed on curing room and solidifies, until the taking-up that is cured;Up to temperature-sensitive three-level Change colour medical defervescence plaster used bare die.
6) blister package: the defervescence plaster used bare die that step 5) is cured is put the model recess of bubble-cap machine PVC film, is then made It is sealed, then is cut as finished product with aluminium foil film.
Wherein, the oil is mutually glycerol 7000-7500 parts, 1500 parts of Sodium Polyacrylate, CMC 100- by weight ratio 300 parts, 0-300 parts of PVPP, 40-45 parts of Dihydroxyaluminium Aminoacetate, 30-39 parts of EDTA-2 sodium salt, 30-50 parts of carragheen, konjac glucomannan 20-50 Part, 5-15 parts of nano silica.
Wherein, the water phase is 20000-22000 parts of pure water, polyvinylpyrrolidone 500-1000 by weight ratio Part, 70-85 parts of tartaric acid, 90 parts of preservative, microcapsules 100-500 parts of discoloration.
Wherein, the pennyroyal freshener additive amount is 20-50 parts by weight.
Wherein, the discoloration microcapsule preparation method are as follows: by weight, weigh 0.3-0.8 parts of leuco dye, electronics by It 0.3-1.6 parts of body material, 3-15 parts of polyvinyl alcohol, is dissolved in absolute alcohol, is heated to 70-80 DEG C and is stirred continuously to make its reaction After 20min, water-cooled cooling, hereinafter, after crystallization precipitation 1-2h, filters to 30 DEG C, collects filter residue, spare;By 1-10 parts of styrene, 1-3 parts of crosslinking agent, 0.1-0.5 parts of mixing of emulsifier are soluble in water, and 40min is stirred at 40-55 DEG C makes its emulsification, add and draw 0.1 part of agent of hair, is warming up to 70-80 DEG C under agitation, and above-mentioned filter residue is added with 0.5g/min rate, after keeping the temperature 1-2h, then 30 DEG C are cooled to, concentration is sprayed to obtain discoloration microcapsules.
Wherein, the leuco dye is crystal violet lactone, fatty alcohol, hydration cobalt salt by weight 0.1-1:3-5:0.5-2 Mixture.
Wherein, the electron acceptor material be tetradecylic acid, hexadecylic acid, stearic acid by weight 1:1:2.5 mixture.
Wherein, the crosslinking agent is one of divinylbenzene, hydroxymethyl acrylamide, hydroxyethyl acrylamide or more Kind;The emulsifier is polyoxyethylene sorbitol acid anhydride mono laurate rouge, polyoxyethylene sorbitol acid anhydride list palmitic acid lipid, polyoxyethylene One of sorbitol anhydride monostearate, polyoxyethylene sorbitol acid anhydride list olein, polyoxyethylene sorbitol acid anhydride Triolein Or it is a variety of;The initiator is azo diisobutyl amidine hydrochloride, two isobutyl imidazoline hydrochloride of azo, azo dicyano penta Acid, one of azo dicyclohexyl formonitrile HCN or a variety of.
The present invention has the advantage that
1. the present invention with crystal violet lactone, fatty alcohol, be hydrated the mixture of cobalt salt as leuco dye, it is tetradecylic acid, hexadecylic acid, hard The mixture of resin acid carries out preferably, effectively promoting thermo-sensitive material by the proportion to its component as electron acceptor material Change colour sensitivity, reaches 0.1 DEG C or more, while realizing three-level discoloration, when human body temperature is 37 degree hereinafter, being then shown as Baby pink is then shown as colourless when human body temperature is spent for 37-38, when human body temperature is 38 degree or more, is then shown as shallow Blue.
2. the present invention using sodium acrylate as hydrogel main body, by addition carragheen, effectively improves the transparency of colloid, Convenient for observation, in addition, can promote hydrogel elastic by addition konjac glucomannan, promote its mechanical performance.
3. the present invention is added to porous material nano silica in hydrogel, its gas permeability can be effectively promoted, it is more sharp In the evaporation of moisture, defervescence plaster used absorbing and cooling temperature performance is promoted.
Specific embodiment
Embodiment 1:
A kind of temperature-sensitive three-level discoloration is medical defervescence plaster used, including spunlace non-woven cloth base fabric, thermosensitive aquagel layer and PP isolation film, temperature-sensitive Hydrogel is applied in spunlace non-woven cloth base fabric, then goes up PP isolation film again to obtain the final product;Wherein, thermosensitive aquagel layer directly contacts people's Skin absorbs human heat in colloid, then takes away intracorporal heat by the large quantity of moisture rapid evaporation stored in hydrogel Amount, to play cooling effect;
A kind of temperature-sensitive three-level changes colour medical defervescence plaster used preparation method:
1) crystal violet lactone, fatty alcohol, hydration cobalt salt by weight, are weighed by weight 0.5 part of mixture of 0.5:4:1, ten Tetracid, hexadecylic acid, stearic acid 10 parts of polyvinyl alcohol, are dissolved in absolute alcohol by weight 1 part of mixture of 1:1:2.5, heating To 75 DEG C and be stirred continuously make its react 20min after, water-cooled cooling to 30 DEG C hereinafter, crystallization be precipitated 1h after, filter, collect filter Slag, it is spare;By 6 parts of styrene, 2 parts of hydroxymethyl acrylamide, the 0.2 part of mixing of polyoxyethylene sorbitol acid anhydride list olein is dissolved in water In, stirring 40min at 45 DEG C makes its emulsification, adds 0.1 part of azo dicyano valeric acid, is warming up to 75 under agitation DEG C, above-mentioned filter residue is added with 0.5g/min rate, after keeping the temperature 1-2h, is cooled to 30 DEG C, concentration is spraying that discoloration microcapsules are standby With;
2) by 1500 parts of Sodium Polyacrylate and 150 parts of PVPP, 200 parts of CMC, 43 parts of Dihydroxyaluminium Aminoacetates, 35 parts EDTA-2Na and 33 part Carragheen, 40 portions of konjaku flours in the molten addition glycerol pot of 10 parts of silica gram, press powder with blender, glycerol are allowed to infiltrate powder End in order to avoid powder splashes when stirring, then pot and blender is installed, and low speed stirs 1 minute, speed of agitator 30r/min, middling speed It stirs 8 minutes, 65r/min allows glycerol to stir with powder, and oily phase is made;Then again 1000 parts of polyvinyl pyrrole Alkanone, 80 parts of tartaric acid, 90 portions of preservatives and 300 parts of discoloration microcapsules are added to the water, and water phase is made;By it is oily mutually and water phase according to Secondary pour into is stirred under vacuum in tank, then 35 portions of pennyroyal fresheners are put into and are stirred under vacuum in tank, be then evacuated down to again- Then 90mpa is stirred 2 minutes fastly, stir as 55HZ, then stir slowly 5 minutes, is stirred to be coated on spun laced fabric after 35HZ, is formed heat Quick three-level discoloration hydrogel layer, then goes up anti-sticking PP embossing film again, finished product is made;Again by obtained finished product be placed on curing room into Row solidification, until the taking-up that is cured, obtains the medical defervescence plaster used bare die of temperature-sensitive three-level discoloration;Bare die is placed in bubble-cap machine PVC film Then model recess is sealed using aluminium foil film, then cut as finished product.
Embodiment 2:
A kind of temperature-sensitive three-level changes colour medical defervescence plaster used preparation method:
1) crystal violet lactone, fatty alcohol, hydration cobalt salt by weight, are weighed by weight 0.3 part of mixture of 0.1:5:0.5, Tetradecylic acid, hexadecylic acid, stearic acid 3 parts of polyvinyl alcohol, are dissolved in absolute alcohol by weight 1.6 parts of mixture of 1:1:2.5, Be heated to 80 DEG C and be stirred continuously make its react 20min after, water-cooled cooling to 30 DEG C hereinafter, crystallization be precipitated 2h after, filter, collect Filter residue, it is spare;By 10 parts of styrene, 3 parts of hydroxyethyl acrylamide, 0.5 part of rouge of polyoxyethylene sorbitol acid anhydride mono laurate is mixed Soluble in water, stirring 40min at 45 DEG C makes its emulsification, 0.1 part of hydrochloride of azo diisobutyl amidine is added, in stirring condition Under be warming up to 80 DEG C, above-mentioned filter residue is added with 0.5g/min rate, after keeping the temperature 2h, is cooled to 30 DEG C, concentration, spraying discoloration Microscapsule powder is spare;
2) by 1500 parts of Sodium Polyacrylate and 300 parts of PVPP, 100 parts of CMC, 45 parts of Dihydroxyaluminium Aminoacetates, 30 parts EDTA-2Na and 35 part Carragheen, 20 portions of konjaku flours, 15 parts of silica are added in glycerol pot, press powder with blender, glycerol is allowed to infiltrate powder, with Exempt from powder when stirring to splash, then pot and blender are installed, low speed stirs 1 minute, and speed of agitator 35r/min, middling speed stirs 8 points Clock, 60r/min allow glycerol to stir with powder, and oily phase is made;Then again 500 parts of polyvinylpyrrolidone, 70 The tartaric acid, 90 portions of preservatives and 500 parts of discoloration microcapsules of part are added to the water, and water phase is made;It is mutually successively poured into oily with water phase It is stirred under vacuum in tank, then 20 portions of pennyroyal fresheners is put into and are stirred under vacuum in tank, be then evacuated down to -90mpa again, then It stirs 3 minutes, stirs as 60HZ, then stir slowly 6 minutes fastly, stir to be coated on spun laced fabric after 40HZ, form the discoloration of temperature-sensitive three-level Then hydrogel layer goes up anti-sticking PP embossing film again, finished product is made;Obtained finished product is placed on curing room again to solidify, directly It is taken out to being cured, obtains the medical defervescence plaster used bare die of temperature-sensitive three-level discoloration;Bare die is placed in the model recess of bubble-cap machine PVC film, Then it is sealed, then is cut as finished product using aluminium foil film;
Remaining is the same as embodiment 1.
Embodiment 3:
A kind of temperature-sensitive three-level changes colour medical defervescence plaster used preparation method:
1) crystal violet lactone, fatty alcohol, hydration cobalt salt by weight, are weighed by weight 0.8 part of mixture of 1:3:2,14 Acid, hexadecylic acid, stearic acid 15 parts of polyvinyl alcohol, are dissolved in absolute alcohol by weight 0.3 part of mixture of 1:1:2.5, heating To 70 DEG C and be stirred continuously make its react 20min after, water-cooled cooling to 30 DEG C hereinafter, crystallization be precipitated 1h after, filter, collect filter Slag, it is spare;By 1 part of styrene, 1 part of divinylbenzene, hydroxymethyl acrylamide mixture, polyoxyethylene sorbitol acid anhydride list palm Sour rouge, polyoxyethylene sorbitol acid anhydride monostearate, the 0.1 part of mixing of lipoprotein mixture of polyoxyethylene sorbitol acid anhydride list oleic acid are dissolved in water In, stirring 40min at 40-55 DEG C makes its emulsification, adds azo diisobutyl amidine hydrochloride, two isobutyl imidazoline salt of azo Hydrochlorate, azo dicyano valeric acid, one of azo dicyclohexyl formonitrile HCN or 0.1 part a variety of are warming up under agitation 70 DEG C, above-mentioned filter residue is added with 0.5g/min rate, after keeping the temperature 1h, is cooled to 30 DEG C, concentration, spraying discoloration microcapsule powder End is spare;
2) by 1500 parts of Sodium Polyacrylate, 300 parts of CMC, 40 parts of Dihydroxyaluminium Aminoacetates, 39 parts of EDTA-2Na and 30 part of carragheens, 50 parts Konjaku flour, 5 parts of silica are added in glycerol pot, press powder with blender, glycerol is allowed to infiltrate powder, in order to avoid powder when stirring It splashing, then pot and blender is installed, low speed stirs 1 minute, speed of agitator 30r/min, and middling speed is stirred 8 minutes, 65r/min, It allows glycerol to stir with powder, oily phase is made;Then again 1500 parts of polyvinylpyrrolidone, 85 parts of winestone Acid, 90 portions of preservatives and 100 parts of discoloration microcapsules are added to the water, and water phase is made;Vacuum stirring is successively mutually poured into water phase by oily In tank, then 50 portions of pennyroyal fresheners are put into and are stirred under vacuum in tank, is then evacuated down to -90mpa again, then stir 3 points fastly Clock is stirred as 50HZ, then is stirred slowly 5 minutes, is stirred to be coated on spun laced fabric after 30HZ, is formed temperature-sensitive three-level and is changed colour hydrogel Then layer goes up anti-sticking PP embossing film again, finished product is made;Obtained finished product is placed on curing room again to solidify, until solidification It is good to take out, obtain the medical defervescence plaster used bare die of temperature-sensitive three-level discoloration;Bare die is placed in the model recess of bubble-cap machine PVC film, is then made It is sealed, then is cut as finished product with aluminium foil film;
Remaining is the same as embodiment 1.
Embodiment 4:
A kind of temperature-sensitive three-level changes colour medical defervescence plaster used preparation method:
1) crystal violet lactone, fatty alcohol, hydration cobalt salt by weight, are weighed by weight 0.4 part of mixture of 1:6:3,14 Acid, hexadecylic acid, stearic acid 10 parts of polyvinyl alcohol, are dissolved in absolute alcohol by weight 1 part of mixture of 1:1:2, are heated to 80 DEG C and be stirred continuously make its react 20min after, water-cooled cooling to 30 DEG C hereinafter, crystallization be precipitated 1-2h after, filter, collect filter residue, It is spare;By 7 parts of styrene, 2 parts of divinylbenzene, hydroxymethyl acrylamide mixture, polyoxyethylene sorbitol acid anhydride list olein, The 0.4 part of mixing of polyoxyethylene sorbitol acid anhydride Triolein mixture is soluble in water, and 40min is stirred at 45 DEG C makes its emulsification, then Azo dicyano valeric acid is added, 0.1 part of azo dicyclohexyl formonitrile HCN mixture, is warming up to 80 DEG C under agitation, with Above-mentioned filter residue is added in 0.5g/min rate, after keeping the temperature 2h, is cooled to 30 DEG C, concentration is spraying that discoloration microscapsule powder is spare;
2) by 1500 parts of Sodium Polyacrylate and 180 parts of PVPP, 200 parts of CMC, 40 parts of Dihydroxyaluminium Aminoacetates, 35 parts EDTA-2Na and 30 part Carragheen, 35 portions of konjaku flours, 8 parts of silica are added in glycerol pot, press powder with blender, glycerol is allowed to infiltrate powder, with Exempt from powder when stirring to splash, then pot and blender are installed, low speed stirs 1 minute, and speed of agitator 30-35r/min, middling speed is stirred 8 minutes, 65r/min allowed glycerol to stir with powder, and oily phase is made;Then again 1100 parts of polyvinylpyrrolidine Ketone, 80 parts of tartaric acid, 90 portions of preservatives and 150 parts of discoloration microcapsules are added to the water, and water phase is made;Successively by oily phase and water phase It pours into and is stirred under vacuum in tank, then 30 portions of pennyroyal fresheners are put into and are stirred under vacuum in tank, be then evacuated down to -90mpa again, Then it stirs 3 minutes, stirs as 50HZ, then stir slowly 5 minutes fastly, stir to be coated on spun laced fabric after 30HZ, form temperature-sensitive three-level Change colour hydrogel layer, then goes up anti-sticking PP embossing film again, finished product is made;Obtained finished product curing room is placed on again to be consolidated Change, until the taking-up that is cured, obtains the medical defervescence plaster used bare die of temperature-sensitive three-level discoloration;Bare die is placed in the model of bubble-cap machine PVC film Then recess is sealed using aluminium foil film, then cut as finished product;Remaining is the same as embodiment 1.
Embodiment 5:
A kind of temperature-sensitive three-level changes colour medical defervescence plaster used preparation method:
1) crystal violet lactone, fatty alcohol, hydration cobalt salt by weight, are weighed by weight 1 part of mixture of 0.8:4:1,14 Acid, hexadecylic acid, stearic acid 10 parts of polyvinyl alcohol, are dissolved in absolute alcohol, are heated to by weight 2 parts of mixture of 1:1:2.5 70 DEG C and be stirred continuously make its react 20min after, water-cooled cooling to 30 DEG C hereinafter, crystallization be precipitated 2h after, filter, collect filter residue, It is spare;By 8 parts of styrene, 2 parts of hydroxyethyl acrylamide, the 0.3 part of mixing of polyoxyethylene sorbitol acid anhydride monostearate is dissolved in water In, stirring 40min at 45 DEG C makes its emulsification, adds 0.1 part of hydrochloride of azo diisobutyl amidine, heats up under agitation To 70 DEG C, above-mentioned filter residue is added with 0.5g/min rate, after keeping the temperature 2h, is cooled to 30 DEG C, concentration, spraying discoloration microcapsules Powder is spare;
2) by 1500 parts of Sodium Polyacrylate and 250 parts of PVPP, 170 parts of CMC, 45 parts of Dihydroxyaluminium Aminoacetates, 35 parts EDTA-2Na and 35 part Carragheen, 22 portions of konjaku flours, 13 parts of silica are added in glycerol pot, press powder with blender, glycerol is allowed to infiltrate powder, with Exempt from powder when stirring to splash, then pot and blender are installed, low speed stirs 1 minute, and speed of agitator 35r/min, middling speed stirs 8 points Clock, 65r/min allow glycerol to stir with powder, and oily phase is made;Then again 700 parts of polyvinylpyrrolidone, 70 The tartaric acid, 90 portions of preservatives and 350 parts of discoloration microcapsules of part are added to the water, and water phase is made;It is mutually successively poured into oily with water phase It is stirred under vacuum in tank, then 25 portions of pennyroyal fresheners is put into and are stirred under vacuum in tank, be then evacuated down to -90mpa again, then It stirs 3 minutes, stirs as 60HZ, then stir slowly 6 minutes fastly, stir to be coated on spun laced fabric after 30HZ, form the discoloration of temperature-sensitive three-level Then hydrogel layer goes up anti-sticking PP embossing film again, finished product is made;Obtained finished product is placed on curing room again to solidify, directly It is taken out to being cured, obtains the medical defervescence plaster used bare die of temperature-sensitive three-level discoloration;Bare die is placed in the model recess of bubble-cap machine PVC film, Then it is sealed, then is cut as finished product using aluminium foil film;
Remaining is the same as embodiment 1.
Embodiment 6:
A kind of temperature-sensitive three-level changes colour medical defervescence plaster used preparation method:
1) crystal violet lactone, fatty alcohol, hydration cobalt salt by weight, are weighed by weight 0.2 part of mixture of 0.5:3:1.5, Tetradecylic acid, hexadecylic acid, stearic acid 10 parts of polyvinyl alcohol, are dissolved in absolute alcohol by weight 0.2 part of mixture of 1:1:2.5, Be heated to 70 DEG C and be stirred continuously make its react 20min after, water-cooled cooling to 30 DEG C hereinafter, crystallization be precipitated 2h after, filter, collect Filter residue, it is spare;By 1 part of styrene, 1 part of hydroxymethyl acrylamide, the 0.1 part of mixing of polyoxyethylene sorbitol acid anhydride Triolein is dissolved in In water, stirring 40min at 45 DEG C makes its emulsification, adds 0.1 part of two isobutyl imidazoline hydrochloride of azo, under agitation 80 DEG C are warming up to, above-mentioned filter residue is added with 0.5g/min rate, after keeping the temperature 2h, is cooled to 30 DEG C, concentration is spraying that discoloration is micro- Capsule powders are spare;
2) by 1500 parts of Sodium Polyacrylate and 165 parts of PVPP, 225 parts of CMC, 45 parts of Dihydroxyaluminium Aminoacetates, 34 parts EDTA-2Na and 33 part Carragheen, 45 portions of konjaku flours, 11 parts of silica are added in glycerol pot, press powder with blender, glycerol is allowed to infiltrate powder, with Exempt from powder when stirring to splash, then pot and blender are installed, low speed stirs 1 minute, and speed of agitator 35r/min, middling speed stirs 8 points Clock, 65r/min allow glycerol to stir with powder, and oily phase is made;Then again 950 parts of polyvinylpyrrolidone, 78 The tartaric acid, 90 portions of preservatives and 450 parts of discoloration microcapsules of part are added to the water, and water phase is made;It is mutually successively poured into oily with water phase It is stirred under vacuum in tank, then 40 portions of pennyroyal fresheners is put into and are stirred under vacuum in tank, be then evacuated down to -90mpa again, then It stirs 3 minutes, stirs as 50HZ, then stir slowly 6 minutes fastly, stir to be coated on spun laced fabric after 40HZ, form the discoloration of temperature-sensitive three-level Then hydrogel layer goes up anti-sticking PP embossing film again, finished product is made;Obtained finished product is placed on curing room again to solidify, directly It is taken out to being cured, obtains the medical defervescence plaster used bare die of temperature-sensitive three-level discoloration;Bare die is placed in the model recess of bubble-cap machine PVC film, Then it is sealed, then is cut as finished product using aluminium foil film;
Remaining is the same as embodiment 1.
Embodiment 7:
A kind of temperature-sensitive three-level changes colour medical defervescence plaster used preparation method:
1) crystal violet lactone, fatty alcohol, hydration cobalt salt by weight, are weighed by weight 0.5 part of mixture of 0.7:3:2, ten Tetracid, hexadecylic acid, stearic acid 11 parts of polyvinyl alcohol, are dissolved in absolute alcohol, add by weight 1.5 parts of mixture of 1:1:2.5 Heat to 80 DEG C and be stirred continuously make its react 20min after, water-cooled cooling to 30 DEG C hereinafter, crystallization be precipitated 2h after, filter, collect filter Slag, it is spare;By 1 part of styrene, 3 parts of hydroxymethyl acrylamide, the 0.5 part of mixing of polyoxyethylene sorbitol acid anhydride list olein is dissolved in water In, stirring 40min at 50 DEG C makes its emulsification, adds azo dicyano valeric acid, azo dicyclohexyl formonitrile HCN mixture 0.1 Part, it is warming up to 70 DEG C under agitation, above-mentioned filter residue is added with 0.5g/min rate, after keeping the temperature 2h, is cooled to 30 DEG C, it is dense Contracting, it is spraying that discoloration microscapsule powder is spare;
2) by 1500 parts of Sodium Polyacrylate and 145 parts of PVPP, 130 parts of CMC, 40 parts of Dihydroxyaluminium Aminoacetates, 33 parts EDTA-2Na and 9 part two Silica is added in glycerol pot, presses powder with blender, glycerol is allowed to infiltrate powder, in case powder splashes when stirring, then by pot It is installed with blender, low speed stirs 1 minute, speed of agitator 35r/min, and middling speed is stirred 8 minutes, 65r/min, allows glycerol and powder It stirs, oily phase is made;Then again 1500 parts of polyvinylpyrrolidone, 70 parts of tartaric acid, 90 portions of preservatives And 500 parts of discoloration microcapsules are added to the water, and water phase is made;It mutually successively pours into oily and is stirred under vacuum in tank with water phase, then by 35 parts Pennyroyal freshener, which is put into, to be stirred under vacuum in tank, is then evacuated down to -90mpa again, is then stirred fastly 3 minutes, stirs as 60HZ, It stirs 5 minutes, stirs to be coated on spun laced fabric after 30HZ slowly again, form temperature-sensitive three-level discoloration hydrogel layer, it is then upper anti-sticking again PP embossing film, is made finished product;Obtained finished product is placed on curing room again to solidify, until the taking-up that is cured, obtains temperature-sensitive three The medical defervescence plaster used bare die of grade discoloration;Bare die is placed in the model recess of bubble-cap machine PVC film, is then sealed using aluminium foil film, then Cutting becomes finished product;
Remaining is the same as embodiment 1.
Embodiment 8:
A kind of temperature-sensitive three-level changes colour medical defervescence plaster used preparation method:
1) crystal violet lactone, fatty alcohol, hydration cobalt salt by weight, are weighed by weight 0.3 part of mixture of 1:5:0.5, ten Tetracid, hexadecylic acid, stearic acid 15 parts of polyvinyl alcohol, are dissolved in absolute alcohol, add by weight 0.3 part of mixture of 1:1:2.5 Heat to 80 DEG C and be stirred continuously make its react 20min after, water-cooled cooling to 30 DEG C hereinafter, crystallization be precipitated 1h after, filter, collect filter Slag, it is spare;By 10 parts of styrene, 3 parts of divinylbenzene, hydroxymethyl acrylamide mixture, three oil of polyoxyethylene sorbitol acid anhydride The 0.1 part of mixing of sour rouge is soluble in water, and 40min is stirred at 45 DEG C makes its emulsification, adds 0.1 part of azo dicyano valeric acid, It is warming up to 80 DEG C under stirring condition, above-mentioned filter residue is added with 0.5g/min rate, after keeping the temperature 2h, is cooled to 30 DEG C, is concentrated, spray The mist microscapsule powder that must change colour is spare;
2) by 1500 parts of Sodium Polyacrylate and 150 parts of PVPP, 190 parts of CMC, 45 parts of Dihydroxyaluminium Aminoacetates, 39 parts EDTA-2Na and 35 part Carragheen, 40 portions of konjaku flours are added in glycerol pot, press powder with blender, glycerol is allowed to infiltrate powder, in order to avoid powder when stirring It splashing, then pot and blender is installed, low speed stirs 1 minute, speed of agitator 35r/min, and middling speed is stirred 8 minutes, 65r/min, It allows glycerol to stir with powder, oily phase is made;Then again 1500 parts of polyvinylpyrrolidone, 70 parts of winestone Acid, 90 portions of preservatives and 500 parts of discoloration microcapsules are added to the water, and water phase is made;Vacuum stirring is successively mutually poured into water phase by oily In tank, then 20 portions of pennyroyal fresheners are put into and are stirred under vacuum in tank, is then evacuated down to -90mpa again, then stir 3 points fastly Clock is stirred as 60HZ, then is stirred slowly 5 minutes, is stirred to be coated on spun laced fabric after 40HZ, is formed temperature-sensitive three-level and is changed colour hydrogel Then layer goes up anti-sticking PP embossing film again, finished product is made;Obtained finished product is placed on curing room again to solidify, until solidification It is good to take out, obtain the medical defervescence plaster used bare die of temperature-sensitive three-level discoloration;Bare die is placed in the model recess of bubble-cap machine PVC film, is then made It is sealed, then is cut as finished product with aluminium foil film;
Remaining is the same as embodiment 1.
Embodiment 9:
Measure defervescence plaster used mechanical performance, the thermal diffusivity, discoloration sensitivity of embodiment 1-8 preparation;Wherein, mechanical performance includes adhesion Power and peel strength, adhesion strength test are placed in dry insulating box to take 1, sample, 10min are dried under the conditions of 65 DEG C and removes surface Moisture is placed in long 30cm after cooling, clings No. 1 steel ball residence time with horizontal plane (3s or more is i.e. at testing it on 15 ° of inclined-planes For qualification);Peel strength test is that coupongs are a piece of, is affixed on plastic plate, plastic plate is fixed, perpendicular to the ground, is attached to modeling 180 ° of the downward reflexed in one end above flitch, is fixed on special carrier, the counterweight that quality is 150g is hung vertically in dedicated On collet, record falls off the time and (is fallen off in 1min as qualification);Thermal diffusivity is measured as the defervescence plaster used of preparation while as adding The heat insulation glass on piece of heat to 40 DEG C, observation heat dissipation patch surface water drops amount situation, the more more then "+" of droplet are more, show thermal diffusivity It is stronger;The Sensitirity va1ue that changes colour is smaller, indicate thermo-responsive more accurate, discoloration sensitivity is higher;
Above-mentioned experimental data is analyzed it is found that embodiment 1-3 uses the present invention program, it is seen that mechanical performance, thermal diffusivity and discoloration Sensitivity is superior to other embodiments;Leuco dye used in embodiment 4 and electron acceptor material proportion be not using the application text In range provided by part, it is seen that cannot achieve three-level discoloration;Leuco dye used in embodiment 5 and embodiment 6, electron acceptor The usage amount of material is not in the range provided by present specification, it is seen that discoloration sensitivity decline, and mechanical performance is unqualified; Embodiment 7 is not added with carragheen and konjac glucomannan, it is seen that discoloration sensitivity decline, and mechanical performance is unqualified;Embodiment 8 is not added with Nano silica, it is seen that its thermal diffusivity is poor, and the sensitivity that changes colour also declines;It can be inferred that using the present invention Discoloration high sensitivity can be made in scheme, and thermal diffusivity and the stronger temperature-sensitive three-level discoloration of practicability are defervescence plaster used.

Claims (9)

1. a kind of discoloration of temperature-sensitive three-level is medical defervescence plaster used, it is characterised in that: including spunlace non-woven cloth base fabric, thermosensitive aquagel layer and PP isolation film, thermosensitive aquagel are applied in spunlace non-woven cloth base fabric, then go up PP isolation film again to obtain the final product;Wherein, thermosensitive aquagel Layer directly contacts the skin of people.
The medical defervescence plaster used preparation method 2. a kind of temperature-sensitive three-level as described in claim 1 changes colour, it is characterised in that:
Include the following steps:
1) oily phase configuration: raw material is weighed according to the ratio, then glycerol is added in pot, adds the Sodium Polyacrylate weighed up, sweet hydroxyl Aluminium, disodium salt, CMC, PVPP, carragheen, konjaku flour, nano silica press powder in pot, with blender, and glycerol is allowed to soak Moisten powder, in order to avoid powder splashes when stirring, then pot and blender is installed, low speed stirs 1 minute, speed of agitator 30-35r/ Min, middling speed are stirred 8 minutes, and 60-65r/min allows glycerol to stir with powder;
2) water phase configures: polyvinylpyrrolidone being added in mixer by formula, then pure water is added by formula, stirring is equal It is even, until can't see sticky matter in water, then the tartaric acid weighed up, preservative, discoloration microcapsules are poured into water and are stirred evenly;
3) it is stirred under vacuum: mutually successively pouring into oily and be stirred under vacuum in tank with water phase, then pennyroyal freshener is put into vacuum and is stirred It mixes in tank, is then evacuated down to -90mpa again, then stir fastly 2-3 minutes, mixing speed 50-60HZ, then 5-6 minutes are stirred slowly i.e. Can, mixing speed 30-40HZ;Hydrogel after de-airing mixer is mixed can put into coating machine and be coated;
4) it is coated with: the discoloration material of hydrogel three-level made from step 3) is coated on spun laced fabric, form temperature-sensitive three-level discoloration water-setting Then glue-line goes up anti-sticking PP embossing film again, finished product is made;
5) solidify: the finished product that step 4) is obtained is placed on curing room and solidifies, until the taking-up that is cured;Up to temperature-sensitive three-level Change colour medical defervescence plaster used bare die;
6) blister package: the defervescence plaster used bare die that step 5) is cured is put the model recess of bubble-cap machine PVC film, is then used The heat-sealing of aluminium foil film, then cut as finished product.
The medical defervescence plaster used preparation method 3. a kind of temperature-sensitive three-level according to claim 2 changes colour, it is characterised in that: step 1) oil described in is mutually glycerol 7000-7500 parts, 1500 parts of Sodium Polyacrylate, 100-300 parts of CMC, PVPP by weight ratio 0-300 parts, 40-45 parts of Dihydroxyaluminium Aminoacetate, 30-39 parts of EDTA-2 sodium salt, 30-50 parts of carragheen, 20-50 parts of konjac glucomannan, nano-silica 5-15 parts of SiClx.
The medical defervescence plaster used preparation method 4. a kind of temperature-sensitive three-level according to claim 2 changes colour, it is characterised in that: step 2) water phase described in is 20000-22000 parts of pure water, 500-1000 parts of polyvinylpyrrolidone, tartaric acid by weight ratio 70-85 parts, 90 parts of preservative, microcapsules 100-500 parts of discoloration.
The medical defervescence plaster used preparation method 5. a kind of temperature-sensitive three-level according to claim 2 changes colour, it is characterised in that: step 3) the pennyroyal freshener additive amount described in is 20-50 parts by weight.
The medical defervescence plaster used preparation method 6. a kind of temperature-sensitive three-level according to claim 2 changes colour, it is characterised in that: step 2) the discoloration microcapsule preparation method described in are as follows: by weight, weigh 0.3-0.8 parts of leuco dye, electron acceptor material 0.3- 1.6 parts, 3-15 parts of polyvinyl alcohol, be dissolved in absolute alcohol, be heated to 70-80 DEG C and be stirred continuously make its react 20min after, water It is cold to be cooled to 30 DEG C hereinafter, suction filtration collects filter residue, spare after crystallization precipitation 1-2h;By 1-10 parts of styrene, crosslinking agent 1-3 Part, 0.1-0.5 parts of mixing of emulsifier are soluble in water, and 40min is stirred at 40-55 DEG C makes its emulsification, add initiator 0.1 Part, it is warming up to 70-80 DEG C under agitation, above-mentioned filter residue is added with 0.5g/min rate, after keeping the temperature 1-2h, is cooled to 30 DEG C, concentration is sprayed to obtain discoloration microcapsules.
The medical defervescence plaster used preparation method 7. a kind of temperature-sensitive three-level according to claim 6 changes colour, it is characterised in that: described Leuco dye is crystal violet lactone, fatty alcohol, is hydrated cobalt salt by weight the mixture of 0.1-1:3-5:0.5-2.
The medical defervescence plaster used preparation method 8. a kind of temperature-sensitive three-level according to claim 6 changes colour, it is characterised in that: described Electron acceptor material be tetradecylic acid, hexadecylic acid, stearic acid by weight 1:1:2.5 mixture.
The medical defervescence plaster used preparation method 9. a kind of temperature-sensitive three-level according to claim 6 changes colour, it is characterised in that: described Crosslinking agent is one of divinylbenzene, hydroxymethyl acrylamide, hydroxyethyl acrylamide or a variety of;The emulsifier is poly- Ethylene oxide sorbitol anhydride mono laurate rouge, polyoxyethylene sorbitol acid anhydride list palmitic acid lipid, polyoxyethylene sorbitol acid anhydride monostearate One of rouge, polyoxyethylene sorbitol acid anhydride list olein, polyoxyethylene sorbitol acid anhydride Triolein are a variety of;The initiator For azo diisobutyl amidine hydrochloride, two isobutyl imidazoline hydrochloride of azo, azo dicyano valeric acid, azo diisopropyl imidazoles One of quinoline is a variety of.
CN201810873913.2A 2018-08-02 2018-08-02 The discoloration of temperature-sensitive three-level is medical defervescence plaster used and preparation method thereof Pending CN109223297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810873913.2A CN109223297A (en) 2018-08-02 2018-08-02 The discoloration of temperature-sensitive three-level is medical defervescence plaster used and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810873913.2A CN109223297A (en) 2018-08-02 2018-08-02 The discoloration of temperature-sensitive three-level is medical defervescence plaster used and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109223297A true CN109223297A (en) 2019-01-18

Family

ID=65072838

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810873913.2A Pending CN109223297A (en) 2018-08-02 2018-08-02 The discoloration of temperature-sensitive three-level is medical defervescence plaster used and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109223297A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111588541A (en) * 2020-04-28 2020-08-28 浙江理工大学 Recyclable visual anti-counterfeiting physical cooling paste and preparation method thereof
CN111743685A (en) * 2020-06-24 2020-10-09 天晴干细胞股份有限公司 Medical cold compress patch and preparation method thereof
CN113402991A (en) * 2021-06-24 2021-09-17 山东优杰生物科技有限公司 Medical hydrogel coiled material and preparation method thereof

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094687A (en) * 1977-02-25 1978-06-13 Lawton William R Heat-sensitive recording composition
JP2005238655A (en) * 2004-02-26 2005-09-08 Mitsubishi Plastics Ind Ltd Reversible recording material and card
CN103242820A (en) * 2013-05-17 2013-08-14 青岛天耀商贸有限公司 Thermochromic material and preparation method thereof
CN203677363U (en) * 2013-12-31 2014-07-02 南京梵康医疗科技有限公司 Defervescing paster capable of displaying fever state
CN105147443A (en) * 2015-09-24 2015-12-16 江门市新时代外用制剂有限公司 Thermochromic fever cooling patch and manufacturing method thereof
CN105213087A (en) * 2015-09-24 2016-01-06 江门市新时代外用制剂有限公司 One is defervescence plaster used and preparation method thereof
CN105363062A (en) * 2015-11-30 2016-03-02 江苏华能药业有限公司 Medical hydrogel eye protection patch
CN105670569A (en) * 2016-01-06 2016-06-15 山西大学 Phase-change composite microcapsule hydrogel and physical antipyretic patch thereof
CN206548680U (en) * 2016-12-08 2017-10-13 广东泰宝医疗器械技术研究院有限公司 A kind of heat discoloration is defervescence plaster used
CN107468840A (en) * 2017-08-17 2017-12-15 杭州仁德医药有限公司 A kind of external plaster of promoting blood circulation and stopping pain
CN107772528A (en) * 2017-10-12 2018-03-09 云南中烟工业有限责任公司 A kind of temperature display Three-element composite filter core of changeable colour
CN108245705A (en) * 2017-12-04 2018-07-06 南京悦安医疗科技有限公司 A kind of magnesium sulfate water gel cold compress patch production technology

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094687A (en) * 1977-02-25 1978-06-13 Lawton William R Heat-sensitive recording composition
JP2005238655A (en) * 2004-02-26 2005-09-08 Mitsubishi Plastics Ind Ltd Reversible recording material and card
CN103242820A (en) * 2013-05-17 2013-08-14 青岛天耀商贸有限公司 Thermochromic material and preparation method thereof
CN203677363U (en) * 2013-12-31 2014-07-02 南京梵康医疗科技有限公司 Defervescing paster capable of displaying fever state
CN105147443A (en) * 2015-09-24 2015-12-16 江门市新时代外用制剂有限公司 Thermochromic fever cooling patch and manufacturing method thereof
CN105213087A (en) * 2015-09-24 2016-01-06 江门市新时代外用制剂有限公司 One is defervescence plaster used and preparation method thereof
CN105363062A (en) * 2015-11-30 2016-03-02 江苏华能药业有限公司 Medical hydrogel eye protection patch
CN105670569A (en) * 2016-01-06 2016-06-15 山西大学 Phase-change composite microcapsule hydrogel and physical antipyretic patch thereof
CN206548680U (en) * 2016-12-08 2017-10-13 广东泰宝医疗器械技术研究院有限公司 A kind of heat discoloration is defervescence plaster used
CN107468840A (en) * 2017-08-17 2017-12-15 杭州仁德医药有限公司 A kind of external plaster of promoting blood circulation and stopping pain
CN107772528A (en) * 2017-10-12 2018-03-09 云南中烟工业有限责任公司 A kind of temperature display Three-element composite filter core of changeable colour
CN108245705A (en) * 2017-12-04 2018-07-06 南京悦安医疗科技有限公司 A kind of magnesium sulfate water gel cold compress patch production technology

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
孙文秀等: "热致可逆变色涂料的发展", 《现代涂料与涂装》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111588541A (en) * 2020-04-28 2020-08-28 浙江理工大学 Recyclable visual anti-counterfeiting physical cooling paste and preparation method thereof
CN111743685A (en) * 2020-06-24 2020-10-09 天晴干细胞股份有限公司 Medical cold compress patch and preparation method thereof
CN113402991A (en) * 2021-06-24 2021-09-17 山东优杰生物科技有限公司 Medical hydrogel coiled material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN109223297A (en) The discoloration of temperature-sensitive three-level is medical defervescence plaster used and preparation method thereof
CN102269693B (en) Photonic crystal humidity sensor and preparation method thereof
CN105185806B (en) Display panel and its packaging method comprising potting colored indicator
CN106618512A (en) Rechargeable flexible ultrathin intelligent human body temperature paste and production method thereof
CN108041674A (en) A kind of impermeable capsule and preparation method thereof that efficiently blocks water
NO782584L (en) PROCEDURE FOR THE PRODUCTION OF GLASS REINFORCEMENT FIBERS
CN103555107A (en) Waterproof protective material and pressure steam sterilization chemical indicator made of same
CN202983702U (en) Heat insulation type measuring beaker
CN103073957B (en) Colored pencil lead and preparation method thereof
CN106894251B (en) Batik resist printing wax and preparation method thereof suitable for cotton
CN107312482B (en) The pouring procedure of epoxy resin AB glue in bullion production
CN109987578A (en) A method of constructing single concave inward structure on micro-column sublist face
CN111568631B (en) Cooling paste with temperature indication function and preparation method thereof
CN203576478U (en) Convenient baby temperature test patch
CN106930122B (en) Silk-screen printing one-pass molding stamp silica gel and preparation method thereof
CN101428341B (en) High purity waterless boron oxide casting mold apparatus and method
CN109007710A (en) A kind of production method extracted pectin from tamarind and synthesize edible water polo
EP0399061A1 (en) Method and device for transcutaneous ZHF temperature measurement
CN213822001U (en) Three-stage thermochromic fever cooling patch
CN210962578U (en) Two-stage temperature sensing discoloring cooling paste
CN114623949A (en) Irreversible temperature change indicator and preparation method thereof
CN205108036U (en) Hot -water bag
CN207036302U (en) Charge type water thermometer
CN216675958U (en) Variable volume indicator and dental instrument with same
CN107764622B (en) Method for filtering decomposition liquid of continuous casting covering slag

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190118

WD01 Invention patent application deemed withdrawn after publication