CN113214761A - Hot melt adhesive for low-temperature coating medical dialyzing paper - Google Patents
Hot melt adhesive for low-temperature coating medical dialyzing paper Download PDFInfo
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- CN113214761A CN113214761A CN202110560641.2A CN202110560641A CN113214761A CN 113214761 A CN113214761 A CN 113214761A CN 202110560641 A CN202110560641 A CN 202110560641A CN 113214761 A CN113214761 A CN 113214761A
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- melt adhesive
- hot melt
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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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0869—Acids or derivatives thereof
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The invention discloses a hot melt adhesive for low-temperature coating medical dialyzing paper, and particularly relates to the field of hot melt adhesives. According to the invention, the content of tackifying resin in the raw material of the hot melt adhesive is increased, the sticking firmness of the hot melt adhesive is increased, a certain amount of butyl rubber is added into the raw material, so that certain toughness of the hot melt adhesive is ensured, the phenomenon of breakage is avoided after sticking, the time for sticking the medical dialyzing paper by the hot melt adhesive is greatly increased, finally, the surface of the manufactured hot melt adhesive is coated in liquid polyethylene wax, the polyethylene wax is solidified on the surface of the hot melt adhesive by controlling temperature difference, a layer of shell is formed on the surface of the hot melt adhesive, the shell can effectively prevent moisture in the air from entering in the process of storage, the adhesion condition between the surfaces of the hot melt adhesive is avoided, and the use effect of the hot melt adhesive is greatly improved.
Description
Technical Field
The invention relates to the field of hot melt adhesives, in particular to a hot melt adhesive for low-temperature coating medical dialyzing paper.
Background
The hot melt adhesive is coated on the surface of the medical dialyzing paper, has no surface viscosity at normal temperature, plays a role in bonding in the heat sealing processing of the medical sterilizing packaging bag, meets various choices of later-stage processing, can provide a good tearing effect when the rear end of the medical sterilizing packaging bag is used, and can be widely applied to the medical sterilizing packaging industry.
The hot melt adhesive adopts solid-state mode to store usually, when using, liquefies through the heating, paints and carries out the adhesion on medical treatment dialysis paper surface, but hot melt adhesive viscidity is great, at the in-process that stores, the phenomenon of adhesion appears easily between the hot melt adhesive, is difficult for separating to influence the use of hot melt adhesive.
Disclosure of Invention
In order to overcome the defects of the prior art, the embodiment of the invention provides a hot-melt adhesive for low-temperature coating of medical dialyzing paper, the bonding firmness of the hot-melt adhesive is improved by increasing the content of tackifying resin in a raw material of the hot-melt adhesive, a certain amount of butyl rubber is added into the raw material, certain toughness of the hot-melt adhesive is ensured, after the hot-melt adhesive is bonded, the phenomenon of fracture is avoided, the time for bonding the hot-melt adhesive to the medical dialyzing paper is greatly increased, finally, the surface of the manufactured hot-melt adhesive is coated in liquid polyethylene wax, the polyethylene wax is solidified on the surface of the hot-melt adhesive by controlling temperature difference, a layer of shell is formed on the surface of the hot-melt adhesive, and in the storage process, the shell can effectively prevent moisture in the air from entering, meanwhile, the adhesion condition between the surfaces of the hot-melt adhesive is avoided, and the using effect of the hot-melt adhesive is greatly improved.
In order to achieve the purpose, the invention provides the following technical scheme: the hot melt adhesive for the low-temperature coated medical dialyzing paper comprises, by weight, 50-80 parts of an ethylene-ethyl acrylate copolymer, 10-20 parts of tackifying resin, 5-12 parts of polyethylene, 3-8 parts of a plasticizer, 6-15 parts of polypropylene, 1-5 parts of a stabilizer, 10-20 parts of butyl rubber, 5-12 parts of polyethylene wax, 1-5 parts of an antioxidant and 5-12 parts of a filler.
In a preferred embodiment, the main materials used comprise, by weight, 60-70 parts of ethylene-ethyl acrylate copolymer, 12-18 parts of tackifying resin, 8-10 parts of polyethylene, 4-6 parts of plasticizer, 8-10 parts of polypropylene, 2-4 parts of stabilizer, 12-18 parts of butyl rubber, 6-10 parts of polyethylene wax, 2-4 parts of antioxidant and 8-10 parts of filler.
In a preferred embodiment, the plasticizer is polyisobutylene, the filler is silica and calcium carbonate, and the silica and calcium carbonate are present in a ratio of 3: 1.
In a preferred embodiment, the preparation method of the hot melt adhesive for the low-temperature coating medical dialyzing paper is also included;
the method specifically comprises the following operation steps:
the method comprises the following steps: preparing raw materials of ethylene-ethyl acrylate copolymer, tackifying resin, polyethylene, plasticizer, polypropylene, stabilizer, butyl rubber, polyethylene wax, antioxidant and filler, and weighing by using an electronic scale;
step two: firstly, pouring a raw material ethylene-ethyl acrylate copolymer into a reaction kettle for heating, after heating to a specific temperature, sequentially pouring a plasticizer, polypropylene, a stabilizer, butyl rubber and tackifying resin, and continuously heating and mixing;
step three: after the raw materials in the reaction kettle are completely melted, starting a motor to drive a stirring mechanism to stir the mixture in the reaction kettle, wherein the reaction kettle is continuously kept in a corresponding high-temperature state in the stirring process;
step four: after the mixture in the reaction kettle is completely fused, sequentially adding the antioxidant and the filler into the reaction kettle again, and then continuing heating and stirring;
step five: injecting the mixed raw materials into a mold with a specific shape, then cooling the mold, waiting for the mixed raw materials to be molded in the mold, opening the mold and taking out the solidified raw materials to obtain corresponding hot melt adhesive;
step six: pouring polyethylene wax into a solvent for dissolving, and coating the molten polyethylene wax on the surface of the hot melt adhesive in a container with constant temperature;
step seven: and taking out the coated hot melt adhesive, standing and cooling until the polyethylene wax on the surface forms a shell with a certain thickness, and then storing the hot melt adhesive.
In a preferred embodiment, the heating temperature of the reaction kettle in the second step is 140-160 ℃, and the heating time of the reaction kettle in the second step is 20-30 min.
In a preferred embodiment, the rotation speed of the motor driving the stirring mechanism in the third step is 150-.
In a preferred embodiment, the ratio of the filler to the antioxidant added in the fourth step is 1:3, and the heating temperature of the reaction kettle in the fourth step is 150-160 ℃.
In a preferred embodiment, the shape of the die in the step five is a cylinder, the temperature of the cooling treatment of the die in the step five is 20-30 ℃, and the time for molding the raw material in the die in the step five is 2-4 h.
In a preferred embodiment, the dissolution temperature of the polyethylene wax in the sixth step is 100 ℃ to 140 ℃, and the temperature inside the thermostatic vessel in the sixth step is 80 ℃ to 85 ℃;
in a preferred embodiment, the time for the hot melt adhesive to stand in the step seven is 30min to 50min, and the thickness of the polyethylene wax forming the shell on the surface of the hot melt adhesive is 0.5mm to 0.8 mm.
The invention has the technical effects and advantages that:
according to the invention, the content of tackifying resin in the raw material of the hot melt adhesive is increased, the sticking firmness of the hot melt adhesive is increased, a certain amount of butyl rubber is added into the raw material, so that certain toughness of the hot melt adhesive is ensured, the phenomenon of breakage is avoided after sticking, the time for sticking the medical dialyzing paper by the hot melt adhesive is greatly increased, finally, the surface of the manufactured hot melt adhesive is coated in liquid polyethylene wax, the polyethylene wax is solidified on the surface of the hot melt adhesive by controlling temperature difference, a layer of shell is formed on the surface of the hot melt adhesive, the shell can effectively prevent moisture in the air from entering in the process of storage, the adhesion condition between the surfaces of the hot melt adhesive is avoided, and the use effect of the hot melt adhesive is greatly improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the invention provides a hot melt adhesive for low-temperature coating of medical dialyzing paper, which comprises the following main materials, by weight, 60 parts of an ethylene-ethyl acrylate copolymer, 12 parts of tackifying resin, 8 parts of polyethylene, 4 parts of a plasticizer, 8 parts of polypropylene, 2 parts of a stabilizer, 12 parts of butyl rubber, 6 parts of polyethylene wax, 3 parts of an antioxidant and 9 parts of a filler.
In a preferred embodiment, the plasticizer is polyisobutylene, the filler is silica and calcium carbonate, and the silica and calcium carbonate are present in a ratio of 3: 1.
A preparation method of a hot melt adhesive for low-temperature coated medical dialyzing paper;
the method specifically comprises the following operation steps:
the method comprises the following steps: preparing raw materials of ethylene-ethyl acrylate copolymer, tackifying resin, polyethylene, plasticizer, polypropylene, stabilizer, butyl rubber, polyethylene wax, antioxidant and filler, and weighing by using an electronic scale;
step two: firstly, pouring a raw material ethylene-ethyl acrylate copolymer into a reaction kettle for heating, after heating to a specific temperature, sequentially pouring a plasticizer, polypropylene, a stabilizer, butyl rubber and tackifying resin, and continuously heating and mixing;
step three: after the raw materials in the reaction kettle are completely melted, starting a motor to drive a stirring mechanism to stir the mixture in the reaction kettle, wherein the reaction kettle is continuously kept in a corresponding high-temperature state in the stirring process;
step four: after the mixture in the reaction kettle is completely fused, sequentially adding the antioxidant and the filler into the reaction kettle again, and then continuing heating and stirring;
step five: injecting the mixed raw materials into a mold with a specific shape, then cooling the mold, waiting for the mixed raw materials to be molded in the mold, opening the mold and taking out the solidified raw materials to obtain corresponding hot melt adhesive;
step six: pouring polyethylene wax into a solvent for dissolving, and coating the molten polyethylene wax on the surface of the hot melt adhesive in a container with constant temperature;
step seven: and taking out the coated hot melt adhesive, standing and cooling until the polyethylene wax on the surface forms a shell with a certain thickness, and then storing the hot melt adhesive.
Further, the heating temperature of the reaction kettle in the second step is 140 ℃, and the heating time of the reaction kettle in the second step is 20 min.
Further, the rotation speed of the motor driving the stirring mechanism to stir in the third step is 150r/min, the time for stirring the mixture in the reaction kettle in the third step is 10min, and the temperature of the reaction kettle in the stirring process in the third step is 160 ℃.
Further, the ratio of the filler to the antioxidant added in the fourth step is 1:3, and the heating temperature of the reaction kettle in the fourth step is 150 ℃.
Further, the die in the fifth step is cylindrical, the temperature for cooling the die in the fifth step is 20 ℃, and the time for molding the raw materials in the die in the fifth step is 2 hours.
Further, the dissolving temperature of the polyethylene wax in the sixth step is 100 ℃, and the temperature inside the constant-temperature container in the sixth step is 80 ℃;
further, the standing time of the hot melt adhesive in the seventh step is 30min, and the thickness of the shell formed on the surface of the hot melt adhesive by the polyethylene wax is 0.5 mm.
Example 2:
the invention provides a hot melt adhesive for low-temperature coating of medical dialyzing paper, which comprises the following main materials, by weight, 65 parts of an ethylene-ethyl acrylate copolymer, 15 parts of tackifying resin, 9 parts of polyethylene, 5 parts of a plasticizer, 9 parts of polypropylene, 3 parts of a stabilizer, 15 parts of butyl rubber, 8 parts of polyethylene wax, 3 parts of an antioxidant and 9 parts of a filler.
In a preferred embodiment, the plasticizer is polyisobutylene, the filler is silica and calcium carbonate, and the silica and calcium carbonate are present in a ratio of 3: 1.
A preparation method of a hot melt adhesive for low-temperature coated medical dialyzing paper;
the method specifically comprises the following operation steps:
the method comprises the following steps: preparing raw materials of ethylene-ethyl acrylate copolymer, tackifying resin, polyethylene, plasticizer, polypropylene, stabilizer, butyl rubber, polyethylene wax, antioxidant and filler, and weighing by using an electronic scale;
step two: firstly, pouring a raw material ethylene-ethyl acrylate copolymer into a reaction kettle for heating, after heating to a specific temperature, sequentially pouring a plasticizer, polypropylene, a stabilizer, butyl rubber and tackifying resin, and continuously heating and mixing;
step three: after the raw materials in the reaction kettle are completely melted, starting a motor to drive a stirring mechanism to stir the mixture in the reaction kettle, wherein the reaction kettle is continuously kept in a corresponding high-temperature state in the stirring process;
step four: after the mixture in the reaction kettle is completely fused, sequentially adding the antioxidant and the filler into the reaction kettle again, and then continuing heating and stirring;
step five: injecting the mixed raw materials into a mold with a specific shape, then cooling the mold, waiting for the mixed raw materials to be molded in the mold, opening the mold and taking out the solidified raw materials to obtain corresponding hot melt adhesive;
step six: pouring polyethylene wax into a solvent for dissolving, and coating the molten polyethylene wax on the surface of the hot melt adhesive in a container with constant temperature;
step seven: and taking out the coated hot melt adhesive, standing and cooling until the polyethylene wax on the surface forms a shell with a certain thickness, and then storing the hot melt adhesive.
Further, the heating temperature of the reaction kettle in the second step is 150 ℃, and the heating time of the reaction kettle in the second step is 25 min.
Further, the rotation speed of the motor driving the stirring mechanism to stir in the third step is 180r/min, the time for stirring the mixture in the reaction kettle in the third step is 15min, and the temperature of the reaction kettle in the stirring process in the third step is 165 ℃.
Further, the ratio of the filler to the antioxidant added in the fourth step is 1:3, and the heating temperature of the reaction kettle in the fourth step is 155 ℃.
Further, the die in the fifth step is cylindrical, the temperature for cooling the die in the fifth step is 25 ℃, and the time for molding the raw materials in the die in the fifth step is 3 hours.
Further, the dissolving temperature of the polyethylene wax in the sixth step is 120 ℃, and the temperature inside the thermostatic container in the sixth step is 82 ℃;
further, the standing time of the hot melt adhesive in the seventh step is 40min, and the thickness of the shell formed on the surface of the hot melt adhesive by the polyethylene wax is 0.6 mm.
Example 3:
the invention provides a hot melt adhesive for low-temperature coating of medical dialyzing paper, which comprises the following main materials, by weight, 70 parts of an ethylene-ethyl acrylate copolymer, 18 parts of tackifying resin, 10 parts of polyethylene, 6 parts of a plasticizer, 10 parts of polypropylene, 4 parts of a stabilizer, 18 parts of butyl rubber, 10 parts of polyethylene wax, 3 parts of an antioxidant and 9 parts of a filler.
In a preferred embodiment, the plasticizer is polyisobutylene, the filler is silica and calcium carbonate, and the silica and calcium carbonate are present in a ratio of 3: 1.
A preparation method of a hot melt adhesive for low-temperature coated medical dialyzing paper;
the method specifically comprises the following operation steps:
the method comprises the following steps: preparing raw materials of ethylene-ethyl acrylate copolymer, tackifying resin, polyethylene, plasticizer, polypropylene, stabilizer, butyl rubber, polyethylene wax, antioxidant and filler, and weighing by using an electronic scale;
step two: firstly, pouring a raw material ethylene-ethyl acrylate copolymer into a reaction kettle for heating, after heating to a specific temperature, sequentially pouring a plasticizer, polypropylene, a stabilizer, butyl rubber and tackifying resin, and continuously heating and mixing;
step three: after the raw materials in the reaction kettle are completely melted, starting a motor to drive a stirring mechanism to stir the mixture in the reaction kettle, wherein the reaction kettle is continuously kept in a corresponding high-temperature state in the stirring process;
step four: after the mixture in the reaction kettle is completely fused, sequentially adding the antioxidant and the filler into the reaction kettle again, and then continuing heating and stirring;
step five: injecting the mixed raw materials into a mold with a specific shape, then cooling the mold, waiting for the mixed raw materials to be molded in the mold, opening the mold and taking out the solidified raw materials to obtain corresponding hot melt adhesive;
step six: pouring polyethylene wax into a solvent for dissolving, and coating the molten polyethylene wax on the surface of the hot melt adhesive in a container with constant temperature;
step seven: and taking out the coated hot melt adhesive, standing and cooling until the polyethylene wax on the surface forms a shell with a certain thickness, and then storing the hot melt adhesive.
Further, the heating temperature of the reaction kettle in the second step is 150 ℃, and the heating time of the reaction kettle in the second step is 30 min.
Further, the rotation speed of the motor driving the stirring mechanism to stir in the third step is 200r/min, the time for stirring the mixture in the reaction kettle in the third step is 20min, and the temperature of the reaction kettle in the stirring process in the third step is 170 ℃.
Further, the ratio of the filler to the antioxidant added in the fourth step is 1:3, and the heating temperature of the reaction kettle in the fourth step is 160 ℃.
Further, the die in the fifth step is cylindrical, the temperature for cooling the die in the fifth step is 30 ℃, and the time for molding the raw materials in the die in the fifth step is 4 hours.
Further, the dissolving temperature of the polyethylene wax in the sixth step is 140 ℃, and the temperature inside the thermostatic container in the sixth step is 85 ℃;
further, the standing time of the hot melt adhesive in the seventh step is 50min, and the thickness of the shell formed on the surface of the hot melt adhesive by the polyethylene wax is 0.8 mm.
Example 4:
the hot melt adhesive samples prepared in the above examples 1 to 3 were taken, and the various properties of the samples were tested to obtain the following data:
as can be seen from the above table, the raw materials in example 3 have a moderate mixing ratio, do not cause adhesion when storing the hot melt adhesive, and have high toughness and strong adhesion capability.
And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The hot melt adhesive for the low-temperature coated medical dialyzing paper is characterized in that: the used main materials comprise, by weight, 50-80 parts of ethylene-ethyl acrylate copolymer, 10-20 parts of tackifying resin, 5-12 parts of polyethylene, 3-8 parts of plasticizer, 6-15 parts of polypropylene, 1-5 parts of stabilizer, 10-20 parts of butyl rubber, 5-12 parts of polyethylene wax, 1-5 parts of antioxidant and 5-12 parts of filler.
2. The hot melt adhesive for low temperature coated medical dialysis paper according to claim 1, wherein: the used main materials comprise, by weight, 60-70 parts of ethylene-ethyl acrylate copolymer, 12-18 parts of tackifying resin, 8-10 parts of polyethylene, 4-6 parts of plasticizer, 8-10 parts of polypropylene, 2-4 parts of stabilizer, 12-18 parts of butyl rubber, 6-10 parts of polyethylene wax, 2-4 parts of antioxidant and 8-10 parts of filler.
3. The hot melt adhesive for low temperature coated medical dialysis paper according to claim 1, wherein: the concrete component of the plasticizer is polyisobutylene, the concrete component of the filler is silicon dioxide and calcium carbonate, and the ratio of the silicon dioxide to the calcium carbonate is 3: 1.
4. The hot melt adhesive for low temperature coated medical dialysis paper according to claim 1, wherein: also comprises a preparation method of the hot melt adhesive for low-temperature coating medical dialyzing paper;
the method specifically comprises the following operation steps:
the method comprises the following steps: preparing raw materials of ethylene-ethyl acrylate copolymer, tackifying resin, polyethylene, plasticizer, polypropylene, stabilizer, butyl rubber, polyethylene wax, antioxidant and filler, and weighing by using an electronic scale;
step two: firstly, pouring a raw material ethylene-ethyl acrylate copolymer into a reaction kettle for heating, after heating to a specific temperature, sequentially pouring a plasticizer, polypropylene, a stabilizer, butyl rubber and tackifying resin, and continuously heating and mixing;
step three: after the raw materials in the reaction kettle are completely melted, starting a motor to drive a stirring mechanism to stir the mixture in the reaction kettle, wherein the reaction kettle is continuously kept in a corresponding high-temperature state in the stirring process;
step four: after the mixture in the reaction kettle is completely fused, sequentially adding the antioxidant and the filler into the reaction kettle again, and then continuing heating and stirring;
step five: injecting the mixed raw materials into a mold with a specific shape, then cooling the mold, waiting for the mixed raw materials to be molded in the mold, opening the mold and taking out the solidified raw materials to obtain corresponding hot melt adhesive;
step six: pouring polyethylene wax into a solvent for dissolving, and coating the molten polyethylene wax on the surface of the hot melt adhesive in a container with constant temperature;
step seven: and taking out the coated hot melt adhesive, standing and cooling until the polyethylene wax on the surface forms a shell with a certain thickness, and then storing the hot melt adhesive.
5. The method for preparing the hot melt adhesive for the low-temperature coated medical dialyzing paper according to claim 4, wherein the hot melt adhesive comprises the following components in percentage by weight: the heating temperature of the reaction kettle in the second step is 140-160 ℃, and the heating time of the reaction kettle in the second step is 20-30 min.
6. The method for preparing the hot melt adhesive for the low-temperature coated medical dialyzing paper according to claim 4, wherein the hot melt adhesive comprises the following components in percentage by weight: the rotating speed of the motor driving the stirring mechanism in the third step is 150-200r/min, the time for stirring the mixture in the reaction kettle in the third step is 10-20 min, and the temperature of the reaction kettle in the stirring process in the third step is 160-170 ℃.
7. The method for preparing the hot melt adhesive for the low-temperature coated medical dialyzing paper according to claim 4, wherein the hot melt adhesive comprises the following components in percentage by weight: the ratio of the filler to the antioxidant added in the fourth step is 1:3, and the heating temperature of the reaction kettle in the fourth step is 150-160 ℃.
8. The method for preparing the hot melt adhesive for the low-temperature coated medical dialyzing paper according to claim 4, wherein the hot melt adhesive comprises the following components in percentage by weight: the mold in the fifth step is cylindrical, the temperature for cooling the mold in the fifth step is 20-30 ℃, and the time for molding the raw materials in the mold in the fifth step is 2-4 hours.
9. The method for preparing the hot melt adhesive for the low-temperature coated medical dialyzing paper according to claim 4, wherein the hot melt adhesive comprises the following components in percentage by weight: the dissolving temperature of the polyethylene wax in the sixth step is 100-140 ℃, and the temperature inside the constant temperature container in the sixth step is 80-85 ℃.
10. The method for preparing the hot melt adhesive for the low-temperature coated medical dialyzing paper according to claim 4, wherein the hot melt adhesive comprises the following components in percentage by weight: and seventhly, standing the hot melt adhesive for 30-50 min, wherein the thickness of the shell formed on the surface of the hot melt adhesive by the polyethylene wax is 0.5-0.8 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110560641.2A CN113214761A (en) | 2021-05-21 | 2021-05-21 | Hot melt adhesive for low-temperature coating medical dialyzing paper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110560641.2A CN113214761A (en) | 2021-05-21 | 2021-05-21 | Hot melt adhesive for low-temperature coating medical dialyzing paper |
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| CN113214761A true CN113214761A (en) | 2021-08-06 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10168418A (en) * | 1996-12-11 | 1998-06-23 | Sekisui Chem Co Ltd | Hot melt adhesive |
| CN101210082A (en) * | 2006-12-31 | 2008-07-02 | 比亚迪股份有限公司 | Composition for forming hot-melt adhesive, hot-melt adhesive, and preparing method thereof |
| CN102153968A (en) * | 2011-05-26 | 2011-08-17 | 广州德渊精细化工有限公司 | Hot melt adhesive for medical dialyzing paper |
| CN102304330A (en) * | 2011-08-16 | 2012-01-04 | 珠海市联合托普粘合剂有限公司 | Clean and environmentally-friendly hot melt adhesive capable of being operated at low temperature as well as preparation method and application thereof |
| CN106147655A (en) * | 2016-06-28 | 2016-11-23 | 广西众昌树脂有限公司 | Low-temperature hot melt adhesive |
| CN106867429A (en) * | 2017-03-06 | 2017-06-20 | 四川天邑康和通信股份有限公司 | A kind of low-temperature resistant hot melt glue and preparation method thereof |
| CN109207094A (en) * | 2017-06-30 | 2019-01-15 | 重庆文理学院 | A kind of EVA melt pressure sensitive gluing agent and preparation method thereof |
| CN111909637A (en) * | 2020-06-24 | 2020-11-10 | 杭州可靠护理用品股份有限公司 | Low-temperature hot melt adhesive for processing paper diapers and processing method thereof |
-
2021
- 2021-05-21 CN CN202110560641.2A patent/CN113214761A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10168418A (en) * | 1996-12-11 | 1998-06-23 | Sekisui Chem Co Ltd | Hot melt adhesive |
| CN101210082A (en) * | 2006-12-31 | 2008-07-02 | 比亚迪股份有限公司 | Composition for forming hot-melt adhesive, hot-melt adhesive, and preparing method thereof |
| CN102153968A (en) * | 2011-05-26 | 2011-08-17 | 广州德渊精细化工有限公司 | Hot melt adhesive for medical dialyzing paper |
| CN102304330A (en) * | 2011-08-16 | 2012-01-04 | 珠海市联合托普粘合剂有限公司 | Clean and environmentally-friendly hot melt adhesive capable of being operated at low temperature as well as preparation method and application thereof |
| CN106147655A (en) * | 2016-06-28 | 2016-11-23 | 广西众昌树脂有限公司 | Low-temperature hot melt adhesive |
| CN106867429A (en) * | 2017-03-06 | 2017-06-20 | 四川天邑康和通信股份有限公司 | A kind of low-temperature resistant hot melt glue and preparation method thereof |
| CN109207094A (en) * | 2017-06-30 | 2019-01-15 | 重庆文理学院 | A kind of EVA melt pressure sensitive gluing agent and preparation method thereof |
| CN111909637A (en) * | 2020-06-24 | 2020-11-10 | 杭州可靠护理用品股份有限公司 | Low-temperature hot melt adhesive for processing paper diapers and processing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 化工部合成材料研究院 金海化工有限公司编: "《聚合物防老化实用手册》", 30 June 1999 * |
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