CN112210314A - Heat preservation blanket adhesive tape - Google Patents
Heat preservation blanket adhesive tape Download PDFInfo
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- CN112210314A CN112210314A CN202011005013.XA CN202011005013A CN112210314A CN 112210314 A CN112210314 A CN 112210314A CN 202011005013 A CN202011005013 A CN 202011005013A CN 112210314 A CN112210314 A CN 112210314A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/387—Block-copolymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
- C09J7/243—Ethylene or propylene polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2453/00—Presence of block copolymer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2491/00—Presence of oils, fats or waxes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2493/00—Presence of natural resin
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
- Medicinal Preparation (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a heat-insulating blanket adhesive tape, which belongs to the field of medical supplies and comprises an isolating layer and an adhesive layer; the adhesive layer comprises a lining layer and a modified pressure-sensitive adhesive layer adhered to one side of the lining layer, wherein the modified pressure-sensitive adhesive layer comprises the following raw materials in parts by weight: 65-75 parts of styrene block copolymer, 5-10 parts of white oil and 15-25 parts of polymer resin. The heat-insulating blanket adhesive tape adopts the isolation layer for external protection, the adhesive layer adopts the lining layer for attaching and fixing the modified pressure-sensitive adhesive, the adhesion can be carried out only by peeling off the isolation layer when in use, and the operation is convenient; the modified pressure-sensitive adhesive is prepared by modifying a styrene segmented copolymer by using polymer resin, has high viscosity and is not easy to fall off when in use, and simultaneously has high compatibility with human skin and is not easy to damage the skin. The invention also provides a preparation method of the heat-insulating blanket adhesive tape, which is simple and easy to operate and can be used for large-scale industrial production.
Description
Technical Field
The invention relates to the field of medical supplies, in particular to a heat-insulating blanket adhesive tape.
Background
Most of clinical medical care products are blankets or bedding, the body temperature of a patient is rapidly reduced after an operation or in the infusion process, and the auxiliary recovery of products with sufficient heat preservation effect and even heating effect is needed.
The heat-insulating blanket with the temperature-raising and heat-insulating device well solves the problems. However, the existing heat-insulating blanket device mostly uses a button belt or a magic tape to connect and fix the human body and the heat-insulating blanket, and although the heat-insulating blanket device is firm and not easy to fall off, the device is mostly airtight, and the skin is easily heated and swollen after long-time fixation; meanwhile, the device is cumbersome to mount and dismount, or both hands are needed, which causes inconvenience to some special patients. Although some disposable heat-insulating blankets using adhesive tapes as connection solve the problems, the adhesive tapes are directly adhered to the skin of a patient, and the adhesive tapes are high in viscosity, so that the skin is easily damaged when being torn, and even skin allergy is caused; meanwhile, the skin of a human body breathes and can discharge sweat and water vapor, so that the viscosity of the adhesive tape is reduced, and the heat-insulating blanket cannot be fixed at all and is not firm or degummed.
Disclosure of Invention
Based on the defects of the prior art, the invention aims to provide the heat-preservation blanket adhesive tape which can effectively fix the heat-preservation blanket, has good skin compatibility, does not damage the skin, has high viscosity and is not easy to fall off.
In order to achieve the purpose, the invention adopts the technical scheme that:
a heat-insulating blanket adhesive tape comprises an isolating layer and an adhesive layer; the adhesive layer comprises a lining layer and a modified pressure-sensitive adhesive layer adhered to one side of the lining layer, wherein the modified pressure-sensitive adhesive layer comprises the following raw materials in parts by weight: 65-75 parts of styrene block copolymer, 5-10 parts of white oil and 15-25 parts of polymer resin.
The heat-insulating blanket adhesive tape is a single-sided adhesive product, the isolation layer is used for external protection, the adhesive layer adopts the lining layer to adhere and fix the modified pressure-sensitive adhesive, the isolation layer is only needed to be peeled off for adhesion when the heat-insulating blanket adhesive tape is used, and the operation is convenient; the modified pressure-sensitive adhesive is used as a main functional material, so that the adhesive is high in viscosity and not easy to fall off when in use, and meanwhile, the modified pressure-sensitive adhesive is high in compatibility with human skin and not easy to damage the skin.
Preferably, the modified pressure-sensitive adhesive layer comprises the following raw materials in parts by weight: 68-72 parts of styrene block copolymer, 7-9 parts of white oil and 17-22 parts of polymer resin. Compared with the common styrene series block copolymer pressure sensitive adhesive, the styrene series block copolymer pressure sensitive adhesive has higher viscosity and more stable quality by modifying the styrene series block copolymer in a solvent by using the polymer resin. More preferably, the modified pressure-sensitive adhesive layer comprises the following raw materials in parts by weight: 70 parts of styrene block copolymer, 8 parts of white oil and 20 parts of polymer resin. The modified pressure-sensitive adhesive layer prepared from the raw materials in the weight part ratio has better skin compatibility and viscosity.
Preferably, the polymer resin is C5 petroleum resin. Through multiple experiments, the inventor finds that when the polymer resin is C5 petroleum resin and the addition amount of the polymer resin is 15-25 parts, the prepared modified pressure-sensitive adhesive has strong stress bearing capacity and moderate water absorption, can keep the pressure-sensitive adhesive viscous for a long time, and has good comprehensive performance.
Preferably, the polymer resin further includes at least one of a rosin resin, a terpene resin, and a coumarone resin. By introducing a certain amount of the polymer resin for composite modification, the viscosity and the skin compatibility of the styrene segmented copolymer pressure-sensitive adhesive can be effectively improved.
Preferably, the raw materials of the modified pressure-sensitive adhesive layer further comprise an antioxidant, a pH regulator and a plasticizer.
Preferably, the isolation layer is release paper; the lining layer is a polyethylene PE film. The heat preservation blanket adhesive tape product is a single-sided adhesive product, the area of the release paper is larger than the adhesive layer, one side of the release paper is attached to the modified pressure-sensitive adhesive layer and is positioned in the middle of the adhesive layer, the release paper is provided with overlapping lines, one side of the overlapping lines is torn off from the release paper to be used for pasting the heat preservation blanket during use, and the other side of the heat preservation blanket is torn off from the release paper to be pasted on human skin when the heat preservation blanket needs to be used.
The invention also aims to provide a preparation method of the heat-preservation blanket adhesive tape.
The preparation method of the heat preservation blanket adhesive tape comprises the following steps:
(1) heating, mixing and stirring a styrene block copolymer, white oil and polymer resin until a glue solution is transparent to obtain a pressure-sensitive glue solution A;
(2) and (2) coating the pressure-sensitive adhesive solution A obtained in the step (1) on one side of the lining layer, attaching an isolating layer, and cooling to obtain the heat-insulating blanket adhesive tape.
The preparation method of the heat-insulating blanket adhesive tape is simple and easy to operate, and can be applied to industrial large-scale production.
Preferably, the heating temperature in the step (1) is 170-175 ℃.
The invention has the beneficial effects that: the invention provides a heat-insulating blanket adhesive tape, which is characterized in that an isolation layer is adopted for external protection, an adhesive layer adopts a lining layer to adhere and fix a modified pressure-sensitive adhesive, and the adhesive layer can be adhered only by peeling off the isolation layer when in use, so that the operation is convenient; the modified pressure-sensitive adhesive is used as a main functional material, and the styrene-series block copolymer is modified by using the polymer resin in a solvent, so that compared with the common styrene-series block copolymer pressure-sensitive adhesive, the modified pressure-sensitive adhesive has higher viscosity and more stable quality, is not only high in viscosity and not easy to fall off when in use, but also has high compatibility with human skin and is not easy to damage the skin. The invention also provides a preparation method of the heat-insulating blanket adhesive tape, which is simple and easy to operate and can be used for large-scale industrial production.
Drawings
FIG. 1 is a schematic diagram of a product of the heat insulating blanket adhesive tape prepared according to the present invention.
Detailed Description
For better illustrating the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to specific examples, which are intended to be understood in detail, but not intended to limit the present invention. Unless otherwise specified, the raw materials used in the following examples are all commercially available common products.
Example 1
One embodiment of the heat-insulating blanket adhesive tape comprises an isolating layer and an adhesive layer; the adhesive layer comprises a lining layer and a modified pressure-sensitive adhesive layer adhered to one side of the lining layer, wherein the modified pressure-sensitive adhesive layer comprises the following raw materials in parts by weight: styrene block copolymer 70 parts, white oil 8 parts and polymer resin 20 parts; the isolation layer is release paper; the lining layer is a Polyethylene (PE) film; the polymer resin is C5 petroleum resin.
The preparation method of the heat preservation blanket adhesive tape comprises the following steps:
(1) heating styrene segmented copolymer, white oil and polymer resin to 175 ℃, mixing, heating and stirring until the glue solution is transparent to obtain a pressure-sensitive glue solution A;
(2) and (2) coating the pressure-sensitive adhesive solution A obtained in the step (1) on one side of the lining layer, attaching an isolating layer, and cooling to obtain the heat-insulating blanket adhesive tape.
The area of the release paper of the prepared heat preservation blanket adhesive tape is larger than that of the adhesive layer, one side of the release paper is attached with the modified pressure-sensitive adhesive layer, the release paper is positioned in the middle of the adhesive layer, and the release paper is overlapped, as shown in figure 1. When the product is used, the release paper on one side of the overlapped line is torn off for adhering the heat preservation blanket, and the release paper on the other side of the overlapped line is torn off and adhered to the skin of a human body when the heat preservation blanket needs to be used, so that the operation is convenient.
Example 2
The difference between the present embodiment and embodiment 1 is only that the modified pressure sensitive adhesive layer comprises the following raw materials in parts by weight: 75 parts of styrene block copolymer, 10 parts of white oil and 15 parts of polymer resin; the polymer resin is C5 petroleum resin and rosin resin, and the mass ratio of the C5 petroleum resin to the rosin resin is 8.5: 1.5.
Example 3
The difference between the present embodiment and embodiment 1 is only that the modified pressure sensitive adhesive layer comprises the following raw materials in parts by weight: 65 parts of styrene block copolymer, 5 parts of white oil and 25 parts of polymer resin; the polymer resin is C5 petroleum resin and terpene resin, and the mass ratio of the C5 petroleum resin to the terpene resin is 8.5: 1.5.
Example 4
The difference between the present embodiment and embodiment 1 is only that the modified pressure sensitive adhesive layer comprises the following raw materials in parts by weight: 72 parts of styrene block copolymer, 9 parts of white oil and 17 parts of polymer resin; the polymer resin is C5 petroleum resin and rosin resin, and the mass ratio of the C5 petroleum resin to the rosin resin is 9: 1.
Example 5
The difference between the present embodiment and embodiment 1 is only that the modified pressure sensitive adhesive layer comprises the following raw materials in parts by weight: 68 parts of styrene block copolymer, 7 parts of white oil and 22 parts of polymer resin; the polymer resin is C5 petroleum resin and terpene resin, and the mass ratio of the C5 petroleum resin to the terpene resin is 9: 1.
Comparative example 1
The comparative example only differs from example 1 in that the modified pressure sensitive adhesive layer comprises the following raw materials in parts by weight: 85 parts of styrene block copolymer, 8 parts of white oil and 10 parts of polymer resin.
Comparative example 2
The comparative example only differs from example 1 in that the modified pressure sensitive adhesive layer comprises the following raw materials in parts by weight: 55 parts of styrene block copolymer, 8 parts of white oil and 30 parts of polymer resin.
Comparative example 3
The comparative example differs from example 1 only in that the polymer resin of the raw material of the modified pressure-sensitive adhesive layer was a rosin resin.
In order to verify the using effect of the heat-insulating blanket adhesive tape, the heat-insulating blanket adhesive tapes prepared in examples 1 to 5 and the adhesive tapes prepared in comparative examples 1 to 3 were subjected to a viscosity test and a skin adaptability test.
The viscosity test method is method A in ASTM-D3330, the test attached object is a stainless steel plate, the test environment temperature is 40 ℃, and the test results are shown in Table 1. The skin adaptability test is to carry out an adhesive tape use test on 80 arm skin healthy 25-35-year-old volunteers, and the test steps are as follows: dividing the volunteers into 8 groups, disinfecting and cleaning the skin of the arms of the volunteers, cutting the heat-insulating blanket adhesive tape prepared in the embodiment 1-5 and the adhesive tape prepared in the comparative example 1-3 into 10 x 15cm, respectively sticking the heat-insulating blanket adhesive tape and the adhesive tape on the arms of each group of volunteers, standing for 5 hours, tearing off the adhesive tapes, scoring the skin comfort of the volunteers during and after use, and simultaneously scoring the residual adhesive and the edge curling phenomenon after the adhesive tapes on the skin are torn off; the scores during use are divided into 5 (the skin feels breathable and comfortable), 4 (the skin feels breathable and comfortable), 3 (the skin feels common or no special feeling), 2 (the skin has little discomfort and is not breathable) and 1 (the skin feels uncomfortable and is not breathable); the score after the use is divided into 5 (the skin is comfortable after the adhesive tape is torn off), 4 (the skin is more comfortable after the adhesive tape is torn off), 3 (the skin feels a little uncomfortable after the adhesive tape is torn off and has no red swelling or damage), 2 (the skin feels uncomfortable after the adhesive tape is torn off and has a little red swelling or damage) and 1 (the skin feels uncomfortable after the adhesive tape is torn off and has serious red swelling or damage); the residual glue and curling scoring standard is sequentially improved from 1 point (a large amount of residual glue/a large amount of curled edges and even falling off) to 5 points (no residual glue/no curled edges). All scores were statistically averaged and the results are shown in table 2.
TABLE 1
TABLE 2
| Item | Skin feeling during use | Feeling of skin after use | Evaluation of residual gumPrice of | Evaluation of curling |
| Example 1 | 4.6 | 4.5 | 4.6 | 4.6 |
| Example 2 | 4.5 | 4.3 | 4.4 | 4.3 |
| Example 3 | 4.4 | 4.2 | 4.5 | 4.4 |
| Example 4 | 4.4 | 4.3 | 4.3 | 4.3 |
| Example 5 | 4.3 | 4.1 | 4.4 | 4.4 |
| Comparative example 1 | 4.2 | 4.2 | 3.4 | 3.5 |
| Comparative example 2 | 3.5 | 3.0 | 4.3 | 4.4 |
| Comparative example 3 | 4.3 | 4.3 | 3.5 | 3.6 |
As can be seen from tables 1 and 2, when the viscosity of the adhesive tape product is too high, the adhesive tape product can cause irritation and even damage to the skin, and when the viscosity is too low, the product is easily curled or adhesive residue and even falls off; the heat-insulating blanket adhesive tape prepared in the embodiments 1 to 5 has good compatibility with skin, is comfortable and breathable to the skin when in use, has no stimulation phenomenon to the skin after use, has high viscosity, has no curling or adhesive residue phenomenon, and can be effectively applied to fixedly bonding the skin and a heat-insulating blanket.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A heat-insulating blanket adhesive tape is characterized by comprising an isolating layer and an adhesive layer; the adhesive layer comprises a lining layer and a modified pressure-sensitive adhesive layer adhered to one side of the lining layer, wherein the modified pressure-sensitive adhesive layer comprises the following raw materials in parts by weight: 65-75 parts of styrene block copolymer, 5-10 parts of white oil and 15-25 parts of polymer resin.
2. The insulating blanket tape of claim 1, wherein the modified pressure sensitive adhesive layer comprises the following raw materials in parts by weight: 68-72 parts of styrene block copolymer, 7-9 parts of white oil and 17-22 parts of polymer resin.
3. The insulating blanket tape of claim 1, wherein the modified pressure sensitive adhesive layer comprises the following raw materials in parts by weight: 70 parts of styrene block copolymer, 8 parts of white oil and 20 parts of polymer resin.
4. The insulating blanket tape of claim 1 wherein said polymer resin is C5 petroleum resin.
5. The insulating blanket tape of claim 4 wherein said polymer resin further comprises at least one of a rosin resin, a terpene resin, and a coumarone resin.
6. The insulating blanket tape of claim 1 wherein the modified pressure sensitive adhesive layer further comprises an antioxidant, a pH adjuster and a plasticizer.
7. The insulating blanket tape of claim 1 wherein said barrier layer is a release paper; the lining layer is a polyethylene PE film.
8. The method for preparing the heat-insulating blanket adhesive tape as claimed in any one of claims 1 to 7, which is characterized by comprising the following steps:
(1) heating and mixing a styrene block copolymer, white oil and polymer resin, and stirring until a glue solution is transparent to obtain a pressure-sensitive glue solution A;
(2) and (2) coating the pressure-sensitive adhesive solution A obtained in the step (1) on one side of the lining layer, attaching an isolating layer, and cooling to obtain the heat-insulating blanket adhesive tape.
9. The method for preparing the heat-insulating blanket adhesive tape as claimed in claim 8, wherein the heating temperature in the step (1) is 170-175 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011005013.XA CN112210314B (en) | 2020-09-22 | 2020-09-22 | Heat preservation blanket adhesive tape |
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| CN202011005013.XA CN112210314B (en) | 2020-09-22 | 2020-09-22 | Heat preservation blanket adhesive tape |
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| 程园园等: "不同含量的C_5石油树脂对医用压敏胶性能的影响", 《湖北大学学报(自然科学版)》 * |
| 黄菁: "SBS、SIS类热熔压敏胶的研究", 《广东科技》 * |
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