CN114163827A - TPE material for tourniquet and preparation method thereof - Google Patents
TPE material for tourniquet and preparation method thereof Download PDFInfo
- Publication number
- CN114163827A CN114163827A CN202111681635.9A CN202111681635A CN114163827A CN 114163827 A CN114163827 A CN 114163827A CN 202111681635 A CN202111681635 A CN 202111681635A CN 114163827 A CN114163827 A CN 114163827A
- Authority
- CN
- China
- Prior art keywords
- parts
- tpe material
- styrene
- tourniquet
- block copolymer
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title description 9
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 37
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229920001971 elastomer Polymers 0.000 claims abstract description 24
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 20
- 239000000806 elastomer Substances 0.000 claims abstract description 20
- 150000001336 alkenes Chemical class 0.000 claims abstract description 19
- 229920001400 block copolymer Polymers 0.000 claims abstract description 19
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 15
- -1 polypropylene Polymers 0.000 claims abstract description 15
- 229920001155 polypropylene Polymers 0.000 claims abstract description 15
- 239000000314 lubricant Substances 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims abstract 2
- 239000002994 raw material Substances 0.000 claims description 18
- 229920001661 Chitosan Polymers 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 7
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 5
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 5
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims description 4
- 229940057995 liquid paraffin Drugs 0.000 claims description 4
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 7
- 206010002198 Anaphylactic reaction Diseases 0.000 abstract description 3
- 208000003455 anaphylaxis Diseases 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 102000004169 proteins and genes Human genes 0.000 abstract description 2
- 108090000623 proteins and genes Proteins 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 11
- 229920001577 copolymer Polymers 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000004599 antimicrobial Substances 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
Abstract
The invention discloses a TPE material for a tourniquet, which comprises the following components in parts by mass: polypropylene: 20-30 parts of a solvent; styrene-based elastomer: 50-70 parts; olefin block copolymer: 30-50 parts; white oil: 60-100 parts; lubricant: 3-5 parts; antibacterial agents: 3-5 parts. In addition, the invention also discloses the TPE material produced by the method, which does not contain protein, can be contacted with human skin for a long time without anaphylactic reaction, has excellent elastic recovery, flexibility and antibacterial property, and has the characteristics of light weight, low cost and the like.
Description
Technical Field
The invention relates to the field of TPE blending, and particularly relates to a TPE material for a tourniquet and a preparation method thereof.
Background
With the continuous development of social economy, modern people pay more and more attention to the height of living standard, and particularly in terms of medical health, more people pursue the medical standard of safety and health. At present, the tourniquet which is the most medical product is contacted. This aspect is most common in the medical field today.
The medical tourniquet is an elastic binding bandage, and is bound at the formulated position of the limbs (the upper parts of the thighs and the armpits) when the limbs bleed first aid, so that the aim of gaining time for the operation by temporary hemostasis is fulfilled.
At present, the medical tourniquet is refined by medical high polymer material natural rubber or special rubber, and because the tourniquet is a rubber product, part of people often have anaphylactic reaction to rubber. Meanwhile, rubber tourniquets used in domestic hospitals have the problems of serious pollution of tourniquets and the like due to the common phenomena of cross use, repeated use, random storage, no disinfection, incomplete disinfection, overlong disinfection interval and the like.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a TPE material for tourniquets, which has the characteristics of excellent elastic recovery, softness, antibacterial property, light weight and low cost.
In order to solve the technical problems, the technical scheme of the invention is as follows: the TPE material for the tourniquet comprises the following components in parts by mass:
polypropylene: 20-30 parts of a solvent;
styrene-based elastomer: 50-70 parts;
olefin block copolymer: 30-50 parts;
softening oil: 60-100 parts;
lubricant: 3-5 parts;
antibacterial agents: 3-5 parts.
In some preferred embodiments, the styrenic elastomer is at least one of a styrene-butadiene-styrene block polymer (SBS) and a hydrogenated styrene-butadiene-styrene polymer (SEBS).
In some preferred embodiments, the olefin block copolymer is an OBC elastomer.
In some preferred embodiments, the softening oil is at least one of liquid paraffin, naphthenic oil, and hydrogenated naphthenic oil.
In some preferred embodiments, the lubricant is one or both of oleamide and erucamide.
In some preferred embodiments, the antimicrobial agent is a chitosan-based antimicrobial agent.
The invention also provides a preparation method of the TPE material for the tourniquet, which comprises the following steps: preparing the components according to the mass parts of the components, uniformly mixing the polypropylene, the styrene elastomer, the olefin block copolymer, the softening oil, the lubricant and the antibacterial agent in a high-speed mixer, adding the mixed raw materials into a double-screw extruder, and extruding and granulating to obtain the TPE material for the tourniquet.
The invention has the beneficial effects that:
the invention does not contain protein, can be contacted with human skin for a long time without anaphylactic reaction, has excellent elastic recovery, flexibility and antibacterial property, and has the characteristics of light weight and low cost. The Olefin Block Copolymer (OBC) is added into the TPE material for the tourniquet, so that the softness and the comfort of the material are improved on the premise of not losing the elasticity of the copolymer. Meanwhile, the added chitosan antibacterial agent is a high-molecular antibacterial agent, has the synergistic effect in many aspects, has hydrophilicity, improves the biological activity of contacting the skin, has stronger antibacterial property, improves the antibacterial property of the TPE hemostatic material, and can better disperse in the copolymer and improve the dispersing property of the whole copolymer. The manufacturing method of the invention is simple and has low manufacturing cost.
Detailed Description
In order that the present invention may be more clearly understood, the following detailed description of the present invention is given with reference to specific examples.
Example one
The TPE material for the tourniquet comprises the following raw materials in parts by mass:
polypropylene: 30 parts of (1);
styrene-based elastomer SEBS: 60 parts;
olefin block copolymer OBC: 30 parts of (1);
liquid paraffin: 70 parts of (B);
oleic acid amide: 4 parts of a mixture;
chitosan-based antibacterial agents: 3 portions of
The preparation method of the TPE material for the tourniquet comprises the following steps: weighing and proportioning the raw materials according to the formula (in parts by mass), uniformly mixing the polypropylene, the styrene elastomer, the olefin block copolymer, the softening oil, the lubricant and the antibacterial agent in a high-speed mixer, and adding the mixed raw materials into a double-screw extruder for extrusion and granulation to obtain the TPE material for the tourniquet.
Example two
The TPE material for the tourniquet comprises the following raw materials in parts by mass:
polypropylene: 25 parts of (1);
styrene elastomer SBS: 70 parts of (B);
olefin block copolymer OBC: 40 parts of a mixture;
naphthenic oil: 80 parts of a mixture;
erucamide: 3.5 parts;
chitosan-based antibacterial agents: 4 portions of
The preparation method of the TPE material for the tourniquet comprises the following steps: weighing and proportioning the raw materials according to the formula (in parts by mass), uniformly mixing the polypropylene, the styrene elastomer, the olefin block copolymer, the softening oil, the lubricant and the antibacterial agent in a high-speed mixer, and adding the mixed raw materials into a double-screw extruder for extrusion and granulation to obtain the TPE material for the tourniquet.
EXAMPLE III
The TPE material for the tourniquet comprises the following raw materials in parts by mass:
polypropylene: 20 parts of (1);
styrene-based elastomer SEBS: 40 parts of a mixture;
styrene elastomer SBS: 20 parts of (1);
olefin block copolymer OBC: 40 parts of a mixture;
hydrogenated naphthenic oil: 90 parts of a mixture;
oleic acid amide: 4 parts of a mixture;
chitosan-based antibacterial agents: 5 portions of
The preparation method of the TPE material for the tourniquet comprises the following steps: weighing and proportioning the raw materials according to the formula (in parts by mass), uniformly mixing the polypropylene, the styrene elastomer, the olefin block copolymer, the softening oil, the lubricant and the antibacterial agent in a high-speed mixer, and adding the mixed raw materials into a double-screw extruder for extrusion and granulation to obtain the TPE material for the tourniquet.
Example four
The TPE material for the tourniquet comprises the following raw materials in parts by mass:
polypropylene: 25 parts of (1);
styrene-based elastomer SEBS: 70 parts of (B);
olefin block copolymer OBC: 30 parts of (1);
liquid paraffin: 100 parts of (A);
erucamide: 5 parts of a mixture;
chitosan-based antibacterial agents: 3.5 parts of
The preparation method of the TPE material for the tourniquet comprises the following steps: weighing and proportioning the raw materials according to the formula (in parts by mass), uniformly mixing the polypropylene, the styrene elastomer, the olefin block copolymer, the softening oil, the lubricant and the antibacterial agent in a high-speed mixer, and adding the mixed raw materials into a double-screw extruder for extrusion and granulation to obtain the TPE material for the tourniquet.
EXAMPLE five
The TPE material for the tourniquet comprises the following raw materials in parts by mass:
polypropylene: 30 parts of (1);
styrene elastomer SBS: 65 parts of (1);
olefin block copolymer OBC: 50 parts of a mixture;
naphthenic oil: 80 parts of a mixture;
erucamide: 4.5 parts;
chitosan antibacterial agent: 3 portions of
The preparation method of the TPE material for the tourniquet comprises the following steps: weighing and proportioning the raw materials according to the formula (in parts by mass), uniformly mixing the polypropylene, the styrene elastomer, the olefin block copolymer, the softening oil, the lubricant and the antibacterial agent in a high-speed mixer, and adding the mixed raw materials into a double-screw extruder for extrusion and granulation to obtain the TPE material for the tourniquet.
TPE material performance test data for tourniquets prepared from the formulations of examples one to five:
as can be seen from the above table: the test results of the first to fifth examples show that: according to the invention, the Olefin Block Copolymer (OBC) is added into the TPE material for the tourniquet, so that the softness and comfort of the material are improved on the premise of not losing the elasticity of the copolymer, and the weight of the material is reduced; the added chitosan antibacterial agent is uniformly dispersed in the copolymer, so that the antibacterial property and the mechanical property of the material are ensured. The TPE material for the tourniquet is small in density, good in mechanical property and good in antibacterial effect.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a TPE material for tourniquet which characterized in that: the composite material comprises the following raw materials in parts by mass:
polypropylene: 20-30 parts of a solvent;
styrene-based elastomer: 50-70 parts;
olefin block copolymer: 30-50 parts;
softening oil: 60-100 parts;
lubricant: 3-5 parts;
antibacterial agents: 3-5 parts.
2. The TPE material for tourniquets according to claim 1, wherein: the styrene elastomer is at least one of styrene-butadiene-styrene block polymer (SBS) and hydrogenated styrene-butadiene-styrene polymer (SEBS).
3. The TPE material for tourniquets according to claim 1, wherein: the olefin block copolymer is an OBC elastomer.
4. The TPE material for tourniquets according to claim 1, wherein: the softening oil is at least one of liquid paraffin, naphthenic oil and hydrogenated naphthenic oil.
5. The TPE material for tourniquets according to claim 1, wherein: the lubricant is one or two of oleamide and erucamide.
6. The TPE material for tourniquets according to claim 1, wherein: the antibacterial agent is a chitosan antibacterial agent.
7. A method of preparing a TPE material for tourniquets according to any of claims 1 to 6, comprising the steps of: preparing the components according to the mass parts of the components, uniformly mixing the polypropylene, the styrene elastomer, the olefin block copolymer, the softening oil, the lubricant and the antibacterial agent in a high-speed mixer, adding the mixed raw materials into a double-screw extruder, and extruding and granulating to obtain the TPE material for the tourniquet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681635.9A CN114163827A (en) | 2021-12-30 | 2021-12-30 | TPE material for tourniquet and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681635.9A CN114163827A (en) | 2021-12-30 | 2021-12-30 | TPE material for tourniquet and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114163827A true CN114163827A (en) | 2022-03-11 |
Family
ID=80488977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111681635.9A Pending CN114163827A (en) | 2021-12-30 | 2021-12-30 | TPE material for tourniquet and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114163827A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861407A (en) * | 2015-05-30 | 2015-08-26 | 浙江汪洋高分子材料有限公司 | Formula for thermoplastic elastomer tourniquet |
| CN106620808A (en) * | 2016-11-16 | 2017-05-10 | 同济大学 | Medical fixed shape memory high-molecular composite material and preparation method thereof |
| CN106700383A (en) * | 2016-12-30 | 2017-05-24 | 慈溪市山今高分子塑料有限公司 | TPE material for tourniquet and preparation process thereof |
| CN106987080A (en) * | 2017-04-20 | 2017-07-28 | 苏州康邦新材料有限公司 | TPE tourniquets and preparation method thereof |
| CN108003547A (en) * | 2017-12-15 | 2018-05-08 | 常州恒方大高分子材料科技有限公司 | Medical TPE sealing materials of heat resistant type and preparation method thereof |
-
2021
- 2021-12-30 CN CN202111681635.9A patent/CN114163827A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861407A (en) * | 2015-05-30 | 2015-08-26 | 浙江汪洋高分子材料有限公司 | Formula for thermoplastic elastomer tourniquet |
| CN106620808A (en) * | 2016-11-16 | 2017-05-10 | 同济大学 | Medical fixed shape memory high-molecular composite material and preparation method thereof |
| CN106700383A (en) * | 2016-12-30 | 2017-05-24 | 慈溪市山今高分子塑料有限公司 | TPE material for tourniquet and preparation process thereof |
| CN106987080A (en) * | 2017-04-20 | 2017-07-28 | 苏州康邦新材料有限公司 | TPE tourniquets and preparation method thereof |
| CN108003547A (en) * | 2017-12-15 | 2018-05-08 | 常州恒方大高分子材料科技有限公司 | Medical TPE sealing materials of heat resistant type and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220311 |
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| RJ01 | Rejection of invention patent application after publication |