CN111991607A - Antibacterial high-temperature-resistant hydrocolloid and preparation method thereof - Google Patents
Antibacterial high-temperature-resistant hydrocolloid and preparation method thereof Download PDFInfo
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- CN111991607A CN111991607A CN202010885116.3A CN202010885116A CN111991607A CN 111991607 A CN111991607 A CN 111991607A CN 202010885116 A CN202010885116 A CN 202010885116A CN 111991607 A CN111991607 A CN 111991607A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/40—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing ingredients of undetermined constitution or reaction products thereof, e.g. plant or animal extracts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
Abstract
The invention relates to an antibacterial high-temperature resistant hydrocolloid and a preparation method thereof. The antibacterial high-temperature resistant hydrocolloid comprises the following raw materials in parts by weight: 15-48 parts of thermoplastic elastomer, 1-8 parts of antioxidant, 10-25 parts of plasticizer, 18-39 parts of tackifier, 18-39 parts of thickener and 1-15 parts of honey. According to the antibacterial high-temperature resistant hydrocolloid disclosed by the invention, related formula components are optimized, so that the hydrocolloid does not overflow glue in a high-temperature environment for a long time, can continuously keep good viscosity, can play an antibacterial and anti-inflammatory effect in a using process, solves the trouble caused by glue overflow in a daily using process of a user, and can prevent wound inflammation. The preparation method is simple to operate, easy to control in process and beneficial to large-scale production.
Description
Technical Field
The invention belongs to the field of medical ostomy post-care, and particularly relates to an antibacterial and high-temperature resistant hydrocolloid and a preparation method thereof.
Background
At present, most hydrocolloids use rosin resins as tackifiers. However, the rosin resin has a low softening point, so that the rosin resin is very easy to soften at normal temperature, the hydrocolloid is adhered to other objects, and the phenomenon of glue overflow to different degrees usually occurs at normal temperature and even in the environment of 40 ℃; meanwhile, the antibacterial and anti-inflammatory functions are not achieved in the using process, and the current market demand cannot be met.
Therefore, the technical scheme of the invention is provided.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an antibacterial high-temperature resistant hydrocolloid and a preparation method thereof. The antibacterial and high-temperature resistant hydrocolloid can not overflow glue in a high-temperature environment for a long time, can continuously keep good viscosity, and can play a role in resisting bacteria and diminishing inflammation in the using process; the preparation method is simple to operate, the process is easy to control, and large-scale production is facilitated.
The invention provides an antibacterial and high-temperature resistant hydrocolloid, which comprises the following raw materials in parts by weight: 15-48 parts of thermoplastic elastomer, 1-8 parts of antioxidant, 10-25 parts of plasticizer, 18-39 parts of tackifier, 18-39 parts of thickener and 1-15 parts of honey.
Preferably, the antibacterial and high-temperature resistant hydrocolloid comprises the following raw materials in parts by weight: 31 parts of thermoplastic rubber, 4 parts of antioxidant, 17 parts of plasticizer, 28 parts of tackifier, 28 parts of thickener and 8 parts of honey.
Preferably, the thermoplastic elastomer is one of SBS, SIS, SEBS, or SEPS.
Wherein:
SBS is a styrene-butadiene-styrene block copolymer.
SIS is a styrene-isoprene-styrene block copolymer.
SEBS is a linear triblock copolymer with polystyrene as the terminal block and ethylene-butylene copolymer obtained by hydrogenation of polybutadiene as the middle elastic block.
SEPS is a styrene-ethylene/propylene-styrene block copolymer.
Preferably, the antioxidant is dibutylhydroxytoluene (BHT).
Preferably, the plasticizer is naphthenic oil.
Preferably, the tackifier is HIKOREZT-1080.
Wherein, the HIKOREZT-1080 resin has good thermal stability, good compatibility with low-polarity elastomer polymer, uniform initial viscosity and permanent viscosity, peeling adhesion and cohesive strength. The HIKOREZT-1080 resin is added into the hot melt adhesive and pressure sensitive adhesive industry, so that the viscosity and the softening point can be effectively improved, and the heat resistance is enhanced. Meanwhile, the prior formula is changed to use the rosin resin, so that the problems of low softening point and poor permanent viscosity are caused.
The honey is Manuka honey which has obvious antibacterial effect; the thickening agent is sodium carboxymethyl cellulose.
In another aspect of the present invention, a method for preparing an antibacterial high temperature resistant hydrocolloid is provided, which comprises the following steps:
(1) mixing a thermoplastic elastomer, a plasticizer and an antioxidant, heating and smelting, and homogenizing at a first stirring speed to obtain a mixture a;
(2) maintaining the temperature, adding a tackifier into the mixture a obtained in the step (1), and homogenizing at a second stirring rotating speed to obtain a mixture b;
(3) maintaining the temperature, adding a thickening agent into the mixture b obtained in the step (2), and homogenizing at a third stirring rotating speed to obtain a mixture c;
(4) maintaining the temperature, adding honey into the mixture c obtained in the step (3), and homogenizing at a fourth stirring rotation speed to obtain a mixture d; and extruding and coating the mixture d, and finally rolling to obtain the antibacterial and high-temperature-resistant hydrocolloid.
Preferably, in the step (1), the heating and melting temperature is 120-190 ℃.
Preferably, the first stirring rotating speed is 20-80 r/min, and the homogenizing time is 0.5-3 h; the second stirring speed is 20-60 r/min, and the homogenizing time is 0.5-3 h; the third stirring speed is 20-60 r/min, and the homogenizing time is 0.3-2 h; the fourth stirring speed is 20-60 r/min, and the homogenizing time is 0.5-1 h.
Preferably, the temperature of the coating is 90-150 ℃.
The invention has the beneficial effects that:
1. according to the antibacterial high-temperature resistant hydrocolloid disclosed by the invention, related formula components are optimized, so that the hydrocolloid does not overflow glue in a high-temperature environment for a long time, can continuously keep good viscosity, can play an antibacterial and anti-inflammatory effect in a using process, solves the trouble caused by glue overflow in a daily using process of a user, and can prevent wound inflammation.
2. The preparation method of the antibacterial and high-temperature resistant hydrocolloid is simple to operate, easy to control in process and beneficial to large-scale production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Figure 1 is the result of the high temperature resistance test of the hydrocolloid obtained in example 3 of the present invention.
Figure 2 is the result of a high temperature test of the hydrocolloids obtained in the comparative examples of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1
The embodiment provides a preparation method of an antibacterial high-temperature resistant hydrocolloid, which comprises the following steps:
(1) mixing 150g of SBS, 100g of naphthenic oil and 10g of butylated hydroxytoluene, heating to 120 ℃, smelting, and homogenizing at a stirring speed of 20r/min for 0.5h to obtain a mixture a;
(2) maintaining the temperature at 120 ℃, adding 180g of HIKOREZT-1080 into the mixture a obtained in the step (1), and homogenizing at the stirring speed of 20r/min for 0.5h to obtain a mixture b;
(3) maintaining the temperature at 120 ℃, adding 180g of sodium carboxymethylcellulose into the mixture b obtained in the step (2), and homogenizing at the stirring speed of 20r/min for 0.3h to obtain a mixture c;
(4) maintaining the temperature at 120 ℃, adding 10g of Manuka honey into the mixture c obtained in the step (3), and homogenizing for 0.5h at the stirring speed of 20r/min to obtain a mixture d; and (3) extruding the mixture d, coating at 90 ℃, covering silicon oil paper and an EVA film on two sides of the mixture d respectively, wherein the width of the mixture d is 230mm, the thickness of the mixture d is 0.8mm, and finally rolling to obtain the antibacterial and high-temperature-resistant hydrocolloid.
Example 2
The embodiment provides a preparation method of an antibacterial high-temperature resistant hydrocolloid, which comprises the following steps:
(1) mixing 480g of SIS, 250g of naphthenic oil and 80g of dibutyl hydroxy toluene, heating to 190 ℃, smelting, and homogenizing at a stirring speed of 80r/min for 3h to obtain a mixture a;
(2) maintaining the temperature at 190 ℃, adding 390g of HIKOREZT-1080 into the mixture a obtained in the step (1), and homogenizing for 3h at the stirring speed of 60r/min to obtain a mixture b;
(3) maintaining the temperature at 190 ℃, adding 390g of sodium carboxymethylcellulose into the mixture b obtained in the step (2), and homogenizing for 2 hours at the stirring speed of 60r/min to obtain a mixture c;
(4) maintaining the temperature at 190 ℃, adding 150g of Manuka honey into the mixture c obtained in the step (3), and homogenizing for 1h at the stirring speed of 60r/min to obtain a mixture d; and (3) extruding the mixture d, coating at 150 ℃, covering silicon oil paper and an EVA film on two sides of the mixture d respectively, wherein the width of the mixture d is 230mm, the thickness of the mixture d is 1.2mm, and finally rolling to obtain the antibacterial and high-temperature-resistant hydrocolloid.
Example 3
The embodiment provides a preparation method of an antibacterial high-temperature resistant hydrocolloid, which comprises the following steps:
(1) 310g of SEBS, 170g of naphthenic oil and 40g of dibutyl hydroxy toluene are mixed, heated to 150 ℃ for heating and smelting, and homogenized for 1.5h at a stirring speed of 50r/min to obtain a mixture a;
(2) maintaining the temperature at 150 ℃, adding 280g of HIKOREZT-1080 into the mixture a obtained in the step (1), and homogenizing for 1.5h at the stirring speed of 40r/min to obtain a mixture b;
(3) maintaining the temperature at 150 ℃, adding 280g of sodium carboxymethylcellulose into the mixture b obtained in the step (2), and homogenizing at the stirring speed of 40r/min for 1h to obtain a mixture c;
(4) maintaining the temperature at 150 ℃, adding 80g of Manuka honey into the mixture c obtained in the step (3), and homogenizing for 0.7h at the stirring speed of 40r/min to obtain a mixture d; and (3) extruding the mixture d, coating at 150 ℃, covering silicon oil paper and an EVA film on two sides of the mixture d with a width of 230mm and a thickness of 1.0mm, and finally rolling to obtain the antibacterial and high-temperature-resistant hydrocolloid.
Example 4
This example differs from example 3 in that the thermoplastic elastomer is SEPS, which is the same as the procedure.
Comparative example
The comparative example provides a preparation method of an antibacterial high-temperature resistant hydrocolloid, comprising the following steps:
(1) 310g of SEBS, 170g of naphthenic oil and 40g of dibutyl hydroxy toluene are mixed, heated to 150 ℃ for heating and smelting, and homogenized for 1.5h at a stirring speed of 50r/min to obtain a mixture a;
(2) maintaining the temperature at 150 ℃, adding 280g of rosin resin into the mixture a obtained in the step (1), and homogenizing at the stirring speed of 40r/min for 1.5h to obtain a mixture b;
(3) maintaining the temperature at 150 ℃, adding 280g of sodium carboxymethylcellulose into the mixture b obtained in the step (2), and homogenizing at the stirring speed of 40r/min for 1h to obtain a mixture c;
(4) and extruding the mixture c, coating at 150 ℃, covering silicon oil paper and an EVA film on two sides of the mixture c respectively, wherein the width of the mixture c is 230mm, the thickness of the mixture c is 1.0mm, and finally rolling to obtain the antibacterial and high-temperature-resistant hydrocolloid.
The present comparative example differs from example 3 in that a rosin resin was used in step (2) of the present comparative example, and correspondingly, a HIKOREZT-1080 resin was used in example 3; and this comparative example had no honey.
Firstly, in order to verify the high temperature resistance effect of the hydrocolloid, the hydrocolloid in the invention is selected from example 3 and a comparative example for comparison.
The test method comprises the following steps: the rolled hydrocolloids obtained in example 3 and comparative example were cut to obtain 100mm diameter sheets, 5 sheets were placed in an environmental chamber, the temperature of the environmental chamber was set at 60 ℃ and the baking time was set at 60 hours.
Example 3 the baking results are shown in fig. 1, from which it can be seen that there is no flash at the film edge.
Comparative example the baking results are shown in fig. 2, from which it can be seen that the edge of the film has a flash phenomenon.
Namely, the high temperature resistance of the hydrocolloid obtained in the example 3 is obviously better than that of the comparative example.
(II) to verify tack, the hydrocolloids obtained in example 3 and comparative example were compared with commercially available products Ailekang and Coloba 1902, and the results are shown in Table 1.
TABLE 1 Hold-tack test results
| Group of | Tackiness (h) |
| Example 3 | 72 |
| Comparative example | 40 |
| Commercially available ailkang | 50 |
| Commercially available product Kanglebao 1902 | 64 |
As can be seen from the above data, the tack-sustaining time is longest and the effect is best for example 3, which is 32 hours longer than the tack-sustaining time of the comparative example, 22 hours longer than the tack-sustaining time of the commercially available product Erlenmex, and 8 hours longer than the tack-sustaining time of the adhesive of the commercially available Carleph 1902.
And (III) comparing the hydrocolloids obtained in the example 3 with the comparative example in order to verify the antibacterial and anti-inflammatory properties.
The test method comprises the following steps: 182 patients were randomly divided into two groups of 91 patients, and the hydrocolloids obtained in example 3 were distributed to one group and applied to the affected part; the hydrocolloids obtained in the comparative examples were divided into another group and applied to the affected area as well, and the effect statistics were performed after one week. The statistical results are shown in table 2.
TABLE 2 statistical results
After one week, the wound of the patient to which the hydrocolloid obtained in example 3 was applied was found to have had evidence of healing, and the wound of the patient to which the comparative example was applied remained weeping and red swelling.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The antibacterial high-temperature-resistant hydrocolloid is characterized by comprising the following raw materials in parts by weight: 15-48 parts of thermoplastic elastomer, 1-8 parts of antioxidant, 10-25 parts of plasticizer, 18-39 parts of tackifier, 18-39 parts of thickener and 1-15 parts of honey.
2. The antibacterial and high temperature resistant hydrocolloid according to claim 1, comprising the following raw materials in parts by weight: 31 parts of thermoplastic rubber, 4 parts of antioxidant, 17 parts of plasticizer, 28 parts of tackifier, 28 parts of thickener and 8 parts of honey.
3. The antimicrobial, high temperature resistant hydrocolloid of claim 1 or 2 wherein said thermoplastic elastomer is one of SBS, SIS, SEBS or SEPS.
4. Antibacterial, refractory hydrocolloid according to claim 1 or 2, characterized in that said antioxidant is dibutylhydroxytoluene.
5. Antibacterial, high temperature resistant hydrocolloid according to claim 1 or 2, characterized in that said plasticizer is naphthenic oil.
6. Antibacterial, high temperature resistant hydrocolloid according to claim 1 or 2, characterized in that said tackifier is HIKOREZT-1080.
7. A method for preparing the antibacterial high-temperature resistant hydrocolloid as claimed in any one of claims 1 to 6, characterized by comprising the following steps:
(1) mixing a thermoplastic elastomer, a plasticizer and an antioxidant, heating and smelting, and homogenizing at a first stirring speed to obtain a mixture a;
(2) maintaining the temperature, adding a tackifier into the mixture a obtained in the step (1), and homogenizing at a second stirring rotating speed to obtain a mixture b;
(3) maintaining the temperature, adding a thickening agent into the mixture b obtained in the step (2), and homogenizing at a third stirring rotating speed to obtain a mixture c;
(4) maintaining the temperature, adding honey into the mixture c obtained in the step (3), and homogenizing at a fourth stirring rotation speed to obtain a mixture d; and extruding and coating the mixture d, and finally rolling to obtain the antibacterial and high-temperature-resistant hydrocolloid.
8. The preparation method of the antibacterial high-temperature resistant hydrocolloid according to claim 7, wherein in the step (1), the heating and melting temperature is 120-190 ℃.
9. The preparation method of the antibacterial high-temperature resistant hydrocolloid according to claim 7, wherein the first stirring rotation speed is 20-80 r/min, and the homogenization time is 0.5-3 h; the second stirring speed is 20-60 r/min, and the homogenizing time is 0.5-3 h; the third stirring speed is 20-60 r/min, and the homogenizing time is 0.3-2 h; the fourth stirring speed is 20-60 r/min, and the homogenizing time is 0.5-1 h.
10. The preparation method of the antibacterial high-temperature resistant hydrocolloid according to claim 7, wherein the coating temperature is 90-150 ℃.
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Citations (5)
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|---|---|---|---|---|
| CN101987207A (en) * | 2010-11-01 | 2011-03-23 | 南京斯瑞奇医疗用品有限公司 | Wound surface dressing soluble colloid and preparation method thereof |
| CN102488919A (en) * | 2011-12-29 | 2012-06-13 | 湖北大学 | Hydrocolloid dressing and its preparation method |
| US20150045480A1 (en) * | 2011-12-28 | 2015-02-12 | Daesang Corporation | Starch-Based Hot Melt Adhesive |
| CN107754009A (en) * | 2016-08-18 | 2018-03-06 | 浙江海创医疗器械有限公司 | The preparation method and application method of a kind of low high viscosity water colloid of anaphylaxis |
| WO2019125043A1 (en) * | 2017-12-21 | 2019-06-27 | 한양대학교 산학협력단 | Hydrocolloid composition and biopatch comprising same |
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- 2020-08-28 CN CN202010885116.3A patent/CN111991607A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987207A (en) * | 2010-11-01 | 2011-03-23 | 南京斯瑞奇医疗用品有限公司 | Wound surface dressing soluble colloid and preparation method thereof |
| US20150045480A1 (en) * | 2011-12-28 | 2015-02-12 | Daesang Corporation | Starch-Based Hot Melt Adhesive |
| CN102488919A (en) * | 2011-12-29 | 2012-06-13 | 湖北大学 | Hydrocolloid dressing and its preparation method |
| CN107754009A (en) * | 2016-08-18 | 2018-03-06 | 浙江海创医疗器械有限公司 | The preparation method and application method of a kind of low high viscosity water colloid of anaphylaxis |
| WO2019125043A1 (en) * | 2017-12-21 | 2019-06-27 | 한양대학교 산학협력단 | Hydrocolloid composition and biopatch comprising same |
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