CN114574159A - Medical adhesive tape adhesive and preparation method thereof - Google Patents
Medical adhesive tape adhesive and preparation method thereof Download PDFInfo
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- CN114574159A CN114574159A CN202210256676.1A CN202210256676A CN114574159A CN 114574159 A CN114574159 A CN 114574159A CN 202210256676 A CN202210256676 A CN 202210256676A CN 114574159 A CN114574159 A CN 114574159A
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- adhesive
- parts
- medical
- rubber
- resin
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Classifications
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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
- C09J193/00—Adhesives based on natural resins; Adhesives based on derivatives thereof
- C09J193/04—Rosin
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Abstract
The invention relates to the field of adhesives, in particular to a medical adhesive tape adhesive and a preparation method thereof, wherein the medical adhesive tape adhesive comprises the following components: the adhesive prepared by the invention has good adhesive property, and can keep higher peel strength for a long time under high temperature and high humidity.
Description
Technical Field
The invention relates to the field of adhesives, in particular to a medical adhesive tape adhesive and a preparation method thereof.
Background
The medical adhesive tape is a product formed by coating an adhesive (formula adhesive) on a base material (elastic cloth, a plastic film and the like) through a coating process and then curling into a roll or cutting into a sheet shape.
The adhesive is generally prepared by mixing a macromolecular elastomer serving as a main body with additives such as a tackifying resin, a softening agent, an anti-aging agent, a filler, a crosslinking agent and the like in a glue making process. According to different mixing methods, the adhesive can be prepared into adhesive products in different forms such as a solvent type adhesive, an aqueous emulsion type adhesive, a solvent-free type adhesive and the like.
At present, adhesive products on the market are widely applied in a plurality of fields, such as packaging adhesive tapes, electric appliance adhesive tapes, impregnated paper adhesive tapes, surface protection adhesive tapes, medical adhesive tapes, special adhesive tapes and the like. The adhesive formula and the adhesive property in different fields are different, and the medical adhesive tape needs to be capable of adhering to the surfaces of moist and dynamic biological tissues, so that the requirements on the adhesive strength and the biocompatibility are high, and although related products appear, the performance cannot meet the use requirement.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the technical problems, the invention provides a medical adhesive tape adhesive and a preparation method thereof.
The adopted technical scheme is as follows:
the medical adhesive tape adhesive comprises the following components:
natural rubber, thermoplastic styrene-butadiene rubber, rosin resin, maleic terpene resin, filler, auxiliary agent and solvent oil.
Further, the composition comprises the following components in parts by weight:
40-50 parts of natural rubber, 50-60 parts of thermoplastic styrene-butadiene rubber, 90-100 parts of rosin resin, 40-50 parts of maleic terpene resin, 25-30 parts of filler, 30-35 parts of auxiliary agent and 80-100 parts of solvent oil.
Further, the auxiliary agent comprises a softening agent and a plasticizer, and the mass ratio of the softening agent to the plasticizer is 1: 2-4.
Further, the softener consists of lanolin, beeswax and vaseline, and the mass ratio of the lanolin to the beeswax to the vaseline is 40-50: 4-6: 1.
further, the plasticizer is any one or more of dioctyl phthalate, polyisobutylene or coumarone resin.
Further, the filler is zinc oxide and silicon dioxide, and the mass ratio of the zinc oxide to the silicon dioxide is 2-4: 1.
further, the preparation method of the rosin resin comprises the following steps:
under the protection of nitrogen, putting rosin into a reaction kettle, heating to 140 ℃ for melting, adding fumaric acid, stirring, heating to 210 ℃ for reaction, after 2-3h, adding glycerol, heating to 280 ℃ for reaction, and recovering the room temperature for reaction for 1-2 h.
Further, the mass ratio of the rosin to the fumaric acid to the glycerol is 10: 1: 1.5-2.
Further, the preparation method of the maleic terpene resin comprises the following steps:
mixing beta-phellandrene and maleic anhydride, heating to 160-165 ℃ for reaction for 30-50min, stopping heating and stirring, cooling the reaction mixture to room temperature, dissolving the reaction mixture by using trichloromethane, adding an ether/n-hexane mixed solution into the solution, standing for 5-10h, performing suction filtration, separating the precipitated solid, and drying.
The invention also provides a preparation method of the medical adhesive tape, which comprises the following steps:
cutting natural rubber into triangular strips with the thickness of 10-15cm, plasticating into a sheet rubber on a plasticating machine, putting the plasticated sheet rubber into a reaction kettle, adding solvent oil for soaking for more than or equal to 20 hours to fully swell the sheet rubber, stirring for 30-50min after soaking, adding thermoplastic styrene-butadiene rubber, continuing stirring for 2-4 hours, adding rosin resin, maleic terpene resin, filler and additives, continuing stirring for 2-4 hours, and filtering the slurry with a filter to remove impurities to obtain the medical adhesive tape.
The invention has the beneficial effects that:
the invention provides a medical adhesive tape, which is a novel adhesive formula which is developed according to the adhesive property and the use characteristics of the medical adhesive and is not easy to degum when in use with high temperature resistance, aging resistance and high viscosity, wherein natural rubber and thermoplastic styrene-butadiene rubber are main polymers forming a rubber adhesive, the main functions of the natural rubber and the thermoplastic styrene-butadiene rubber are to endow the adhesive with necessary film-forming property, cohesive strength and elastic components in viscoelasticity, rosin resin and maleic terpene resin are used as the most important components and can endow the adhesive with necessary viscosity, only tackifying resin is added to enable an adhesive system to generate necessary initial adhesion and adhesive force on the surface of a material to be adhered, polyisobutylene is used as a permanent tackifier and a good plasticizer, the vitrification temperature of the adhesive can be reduced, the flow property at low temperature is improved, and the attraction among polymer molecular chains is weakened, the mobility of the molecular chain is enhanced, the crystallinity of the polymer molecular chain is reduced, the plasticity of the adhesive is enhanced, the softening agent can improve the adhesion of the adhesive to a base material and a coating process, the softening agent is compatible with natural rubber and thermoplastic styrene butadiene rubber, the interaction between rubber molecules can be reduced, the mutual sliding of the rubber molecules is promoted, the flexibility and the contact degree with skin are improved due to the addition of beeswax, the adhesion performance of the adhesive is improved due to the addition of the materials, and the high peel strength can be kept for a long time under high temperature and high humidity while the good adhesion performance is achieved, and meanwhile, the sensitization is reduced.
Detailed Description
The examples, in which specific conditions are not specified, were carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
Example 1:
the medical adhesive tape adhesive comprises the following components in parts by weight:
45 parts of natural rubber, 50 parts of thermoplastic styrene-butadiene rubber, 90 parts of rosin resin, 40 parts of maleic terpene resin, 20 parts of zinc oxide, 10 parts of silicon dioxide, 7 parts of a softener, 28 parts of polyisobutylene and 90 parts of 100# solvent oil.
Wherein the softener consists of lanolin, beeswax and vaseline, and the mass ratio of the lanolin to the beeswax is 40: 5: 1.
the preparation method of the rosin resin comprises the following steps:
under the protection of nitrogen, putting rosin into a reaction kettle, heating to 140 ℃ to melt the rosin, adding fumaric acid, stirring, heating to 200 ℃, reacting for 2 hours, and adding glycerol, wherein the mass ratio of the rosin to the fumaric acid to the glycerol is 10: 1: 2, heating to 280 ℃, reacting for 2h, and then recovering the room temperature.
The preparation method of the maleic terpene resin comprises the following steps:
mixing the components in a mass ratio of 1.38: mixing 1 beta-phellandrene and maleic anhydride, heating to 165 ℃ for reacting for 40min, stopping heating and stirring, cooling the reaction mixture to room temperature, dissolving the reaction mixture by using trichloromethane, adding a mixed solution of diethyl ether and n-hexane in a volume ratio of 1:1 into the solution, standing for 10h, carrying out suction filtration, separating the separated solid, and drying.
The preparation method of the medical adhesive tape comprises the following steps:
cutting natural rubber into triangular strips with the thickness of 10-15cm, plasticating the strips on a plasticating machine to form rubber sheets, putting the plasticated rubber sheets into a reaction kettle, adding solvent oil for soaking for 20 hours to fully swell the rubber sheets, stirring for 50min after soaking, adding thermoplastic styrene-butadiene rubber, continuing stirring for 4 hours, adding rosin resin, maleic terpene resin, zinc oxide, silicon dioxide, wool fat, beeswax, vaseline and polyisobutylene, continuing stirring for 4 hours, and filtering and removing impurities by using a filter to obtain the medical adhesive tape adhesive.
Example 2:
the medical adhesive tape adhesive comprises the following components in parts by weight:
50 parts of natural rubber, 60 parts of thermoplastic styrene-butadiene rubber, 100 parts of rosin resin, 50 parts of maleic terpene resin, 20 parts of zinc oxide, 10 parts of silicon dioxide, 7 parts of a softener, 28 parts of polyisobutylene and 100 parts of 100# solvent oil.
Wherein the softener consists of lanolin, beeswax and vaseline, and the mass ratio of the lanolin to the beeswax is 50: 6: 1.
the preparation method of the rosin resin comprises the following steps:
under the protection of nitrogen, putting rosin into a reaction kettle, heating to 140 ℃ to melt the rosin, adding fumaric acid, stirring, heating to 210 ℃, reacting for 3 hours, and adding glycerol, wherein the mass ratio of the rosin to the fumaric acid to the glycerol is 10: 1: 2, heating to 280 ℃, reacting for 2h, and then recovering the room temperature.
The preparation method of the maleic terpene resin comprises the following steps:
mixing the components in a mass ratio of 1.38: mixing 1 beta-phellandrene and maleic anhydride, heating to 165 ℃ for reacting for 50min, stopping heating and stirring, cooling the reaction mixture to room temperature, dissolving the reaction mixture with trichloromethane, adding a mixed solution of diethyl ether and n-hexane in a volume ratio of 1:1 into the solution, standing for 10h, carrying out suction filtration, separating the precipitated solid, and drying.
The preparation method of the medical adhesive tape comprises the following steps:
cutting natural rubber into triangular strips with the thickness of 10-15cm, plasticating the strips on a plasticating machine to form rubber sheets, putting the plasticated rubber sheets into a reaction kettle, adding solvent oil for soaking for 20 hours to fully swell the rubber sheets, stirring for 50min after soaking, adding thermoplastic styrene-butadiene rubber, continuing stirring for 4 hours, adding rosin resin, maleic terpene resin, zinc oxide, silicon dioxide, wool fat, beeswax, vaseline and polyisobutylene, continuing stirring for 4 hours, and filtering and removing impurities by using a filter to obtain the medical adhesive tape adhesive.
Example 3:
the medical adhesive tape adhesive comprises the following components in parts by weight:
40 parts of natural rubber, 50 parts of thermoplastic styrene-butadiene rubber, 90 parts of rosin resin, 40 parts of maleic terpene resin, 20 parts of zinc oxide, 10 parts of silicon dioxide, 7 parts of a softener, 28 parts of polyisobutylene and 80 parts of 100# solvent oil.
Wherein the softener consists of lanolin, beeswax and vaseline, and the mass ratio of the lanolin to the beeswax is 40: 4: 1.
the preparation method of the rosin resin comprises the following steps:
under the protection of nitrogen, putting rosin into a reaction kettle, heating to 130 ℃ to melt the rosin, adding fumaric acid, stirring, heating to 190 ℃, reacting for 2 hours, and adding glycerol, wherein the mass ratio of the rosin to the fumaric acid to the glycerol is 10: 1: 1.5, heating to 270 ℃, reacting for 1 hour, and recovering to room temperature.
The preparation method of the maleic terpene resin comprises the following steps:
mixing the components in a mass ratio of 1.38: mixing 1 beta-phellandrene and maleic anhydride, heating to 160 ℃ for reaction for 30min, stopping heating and stirring, cooling the reaction mixture to room temperature, dissolving the reaction mixture with chloroform, adding a mixed solution of diethyl ether and n-hexane in a volume ratio of 1:1 into the solution, standing for 5h, carrying out suction filtration, separating the precipitated solid, and drying.
The preparation method of the medical adhesive tape comprises the following steps:
cutting natural rubber into triangular strips with the thickness of 10-15cm, plasticating the strips on a plasticating machine to form rubber sheets, putting the plasticated rubber sheets into a reaction kettle, adding solvent oil for soaking for 20 hours to fully swell the rubber sheets, stirring the rubber sheets for 30min after soaking, adding thermoplastic styrene-butadiene rubber, continuing stirring for 2 hours, adding rosin resin, maleic terpene resin, zinc oxide, silicon dioxide, wool fat, beeswax, vaseline and polyisobutylene, continuing stirring for 2 hours, and filtering and removing impurities by using a filter to obtain the medical adhesive tape adhesive.
Example 4:
substantially the same as in example 1 except that 422 rosin resin was used in place of the rosin resin prepared in example 1.
Example 5:
substantially the same as in example 1 except that 422 rosin resin was used in place of the rosin resin prepared in example 1.
Example 6:
substantially the same as in example 1 except that 145 rosin resin was used in place of the rosin resin prepared in example 1.
Comparative example 1
Comparative example 1 is essentially the same as example 1 except that no natural rubber was added.
Comparative example 2
Comparative example 2 is substantially the same as example 1 except that no thermoplastic styrene-butadiene rubber is added.
Comparative example 3
Comparative example 3 is essentially the same as example 1 except that no rosin resin was added.
Comparative example 4
Comparative example 4 is essentially the same as example 1 except that no maleated terpene resin was added.
And (3) performance testing:
firstly, preparing a 2.5cm multiplied by 40cm medical adhesive tape sample by the adhesive in the embodiments 1-6 and the comparative examples 1-4, sticking the medical adhesive tape sample on a 304 stainless steel plate, slowly rolling the medical adhesive tape sample for 4 times in the same direction by using a 2kg rubber roller, standing for 10min and then testing the peel strength by using a tensile testing machine;
the test II is basically the same as the test I, and is different in that a 304 stainless steel plate adhered with the adhesive tape is placed in an experimental box with the temperature of 55 ℃ and the relative humidity of 80 percent, the peel strength is tested by a tensile testing machine after 120h, the change rate of the peel strength is calculated, and the value is decreased by < - >;
thirdly, the adhesives in the embodiments 1 to 6 and the comparative examples 1 to 4 are placed in a high-temperature oven at 120 ℃ for high-temperature baking, and the time for the color change of the adhesive surface and the original adhesive surface at the high temperature is observed.
The results of the above tests are shown in table 1 below:
table 1:
as can be seen from table 1 above, the adhesive prepared by the present invention has good adhesive properties, and can maintain high peel strength for a long time under high temperature and high humidity.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The medical adhesive tape is characterized by comprising the following components:
natural rubber, thermoplastic styrene-butadiene rubber, rosin resin, maleic terpene resin, filler, auxiliary agent and solvent oil.
2. The medical adhesive tape of claim 1, which comprises the following components in parts by weight:
40-50 parts of natural rubber, 50-60 parts of thermoplastic styrene-butadiene rubber, 90-100 parts of rosin resin, 40-50 parts of maleic terpene resin, 25-30 parts of filler, 30-35 parts of auxiliary agent and 80-100 parts of solvent oil.
3. The medical adhesive tape adhesive of claim 1, wherein the auxiliary agent comprises a softening agent and a plasticizer, and the mass ratio of the softening agent to the plasticizer is 1: 2-4.
4. The medical tape adhesive as claimed in claim 3, wherein the softener comprises lanolin, beeswax and vaseline with a mass ratio of 40-50: 4-6: 1.
5. a medical tape adhesive as in claim 3 wherein the plasticizer is any one or combination of dioctyl phthalate, polyisobutylene or coumarone resin.
6. The medical tape adhesive as claimed in claim 1, wherein the filler is zinc oxide and silicon dioxide, and the mass ratio of the zinc oxide to the silicon dioxide is 2-4: 1.
7. the medical tape adhesive of claim 1, wherein the rosin resin is prepared by the following method:
under the protection of nitrogen, putting rosin into a reaction kettle, heating to 140 ℃ for melting, adding fumaric acid, stirring, heating to 210 ℃ for reaction, after 2-3h, adding glycerol, heating to 280 ℃ for reaction, and recovering the room temperature for reaction for 1-2 h.
8. The medical tape adhesive as claimed in claim 7, wherein the mass ratio of the rosin, the fumaric acid and the glycerol is 10: 1: 1.5-2.
9. The medical tape adhesive of claim 1, wherein the maleic terpene resin is prepared by the following method:
mixing beta-phellandrene and maleic anhydride, heating to 160-165 ℃ for reaction for 30-50min, stopping heating and stirring, cooling the reaction mixture to room temperature, dissolving the reaction mixture by using trichloromethane, adding an ether/n-hexane mixed solution into the solution, standing for 5-10h, performing suction filtration, separating the precipitated solid, and drying.
10. A method for preparing the medical adhesive tape according to any one of claims 1 to 9,
cutting natural rubber into triangular strips with the thickness of 10-15cm, plasticating the strips on a plasticating machine to form rubber sheets, putting the plasticated rubber sheets into a reaction kettle, adding solvent oil to soak the rubber sheets for more than or equal to 20 hours to fully swell the rubber sheets, stirring the rubber sheets for 30-50min after soaking, adding thermoplastic styrene-butadiene rubber, continuing stirring the rubber sheets for 2-4 hours, adding rosin resin, maleene resin, filler and auxiliary agent, continuing stirring the rubber sheets for 2-4 hours, and filtering and removing impurities by using a filter to obtain the medical adhesive tape adhesive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256676.1A CN114574159B (en) | 2022-03-16 | 2022-03-16 | Medical adhesive tape adhesive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256676.1A CN114574159B (en) | 2022-03-16 | 2022-03-16 | Medical adhesive tape adhesive and preparation method thereof |
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| CN114574159A true CN114574159A (en) | 2022-06-03 |
| CN114574159B CN114574159B (en) | 2023-10-03 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975503A (en) * | 1988-05-09 | 1990-12-04 | Union Camp Corporation | Beta-phellandrene-maleic anhydride copolymers |
| CN100999650A (en) * | 2006-01-13 | 2007-07-18 | 日东电工株式会社 | Aqueous pressure-sensitive adhesive composition, pressure-sensitive adhesive tape and wire harness |
| CN102382221A (en) * | 2011-08-30 | 2012-03-21 | 广东华林化工有限公司 | Phellandrene resin production process |
| CN102964495A (en) * | 2012-11-15 | 2013-03-13 | 梧州市松桦化学品有限公司 | Synthetic method of terpene resin |
| CN102964577A (en) * | 2012-11-30 | 2013-03-13 | 浙江鑫松树脂有限公司 | High-temperature-resistant rosin modified resin and production method thereof |
| JP2018009153A (en) * | 2016-06-16 | 2018-01-18 | 荒川化学工業株式会社 | Tackifier resin, tackifier resin emulsion, aqueous adhesive composition, and polychloroprene latex adhesive composition |
| CN107903872A (en) * | 2017-11-29 | 2018-04-13 | 广西众昌树脂有限公司 | High-temperature Resistance Adhesives rosin resin |
| CN110408348A (en) * | 2018-04-27 | 2019-11-05 | 谢长征 | A kind of electrician's route plastics pressure sensitive adhesive |
| CN110969928A (en) * | 2019-12-23 | 2020-04-07 | 江门新时代胶粘科技有限公司 | High-temperature-resistant high-humidity-resistant medical sterilization label and preparation method thereof |
-
2022
- 2022-03-16 CN CN202210256676.1A patent/CN114574159B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975503A (en) * | 1988-05-09 | 1990-12-04 | Union Camp Corporation | Beta-phellandrene-maleic anhydride copolymers |
| CN100999650A (en) * | 2006-01-13 | 2007-07-18 | 日东电工株式会社 | Aqueous pressure-sensitive adhesive composition, pressure-sensitive adhesive tape and wire harness |
| CN102382221A (en) * | 2011-08-30 | 2012-03-21 | 广东华林化工有限公司 | Phellandrene resin production process |
| CN102964495A (en) * | 2012-11-15 | 2013-03-13 | 梧州市松桦化学品有限公司 | Synthetic method of terpene resin |
| CN102964577A (en) * | 2012-11-30 | 2013-03-13 | 浙江鑫松树脂有限公司 | High-temperature-resistant rosin modified resin and production method thereof |
| JP2018009153A (en) * | 2016-06-16 | 2018-01-18 | 荒川化学工業株式会社 | Tackifier resin, tackifier resin emulsion, aqueous adhesive composition, and polychloroprene latex adhesive composition |
| CN107903872A (en) * | 2017-11-29 | 2018-04-13 | 广西众昌树脂有限公司 | High-temperature Resistance Adhesives rosin resin |
| CN110408348A (en) * | 2018-04-27 | 2019-11-05 | 谢长征 | A kind of electrician's route plastics pressure sensitive adhesive |
| CN110969928A (en) * | 2019-12-23 | 2020-04-07 | 江门新时代胶粘科技有限公司 | High-temperature-resistant high-humidity-resistant medical sterilization label and preparation method thereof |
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| CN114574159B (en) | 2023-10-03 |
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