CN110951417A - Foaming hot melt adhesive and preparation process thereof - Google Patents
Foaming hot melt adhesive and preparation process thereof Download PDFInfo
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- CN110951417A CN110951417A CN201811126019.5A CN201811126019A CN110951417A CN 110951417 A CN110951417 A CN 110951417A CN 201811126019 A CN201811126019 A CN 201811126019A CN 110951417 A CN110951417 A CN 110951417A
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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
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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
- 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
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
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Abstract
The invention discloses a foaming hot melt adhesive and a preparation process thereof, wherein the foaming hot melt adhesive comprises 40-60% of APAO random poly α olefin, polyethylene wax, 1-12% of polyethylene wax, 0.1-1% of antioxidant, 30-45% of C5 petroleum resin, 2-5% of foaming agent and 3-6% of flame retardant, and the components of the raw materials are in proportion.
Description
Technical Field
The invention relates to the technical field of hot melt adhesives, in particular to a foaming hot melt adhesive and a manufacturing process thereof.
Background
The foaming hot melt adhesive belongs to one type of hot melt adhesive; when the hot melt adhesive is heated and melted, a special foaming type glue applicator machine is used, the glue can be immediately foamed after mixing and coating, or the glue layer contains bubbles by utilizing chemical decomposition reaction; the foamed hot melt adhesive can prevent the deformation of the heat sensitive material and can seal parts with large gaps.
When the foaming hot melt adhesive in the prior art is used, the foaming effect is poor, the foaming hot melt adhesive does not have a flame retardant function, harsh storage conditions are required during storage, and the foaming hot melt adhesive is stored for a long time, so that the service life is shortened, the foaming hot melt adhesive is easy to oxidize, and the colloid is deteriorated; meanwhile, in the process of manufacturing the foaming hot melt adhesive in the prior art, when raw materials are crushed, the crushing effect is poor, the granularity of the raw materials is large, the raw materials are not completely melted when heated, and the bonding quality of the colloid is affected, so that the design of the foaming hot melt adhesive and the manufacturing process are necessary.
Disclosure of Invention
The invention aims to provide a foaming hot melt adhesive and a manufacturing process thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the foaming hot melt adhesive comprises, by weight, 40-60% of APAO random poly- α olefin, 1-12% of polyethylene wax, 0.1-1% of antioxidant, 30-45% of C5 petroleum resin, 2-5% of foaming agent and 3-6% of flame retardant.
A manufacturing process of a foaming hot melt adhesive comprises the following steps: step one, preparing materials; step two, removing impurities; step three, granulating; step four, mixing materials; step five, hot melting; step six, reversing the mold; seventhly, discharging and storing;
in the first step, APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant are selected as raw materials, the raw materials are prepared according to the proportion of 40-60% of APAO random poly α olefin, 1-12% of polyethylene wax, 0.1-1% of antioxidant, 30-45% of C5 petroleum resin, 2-5% of foaming agent and 3-6% of flame retardant, and the raw materials are independently stored after the preparation is finished;
in the second step, filtering the selected APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant so as to remove large-particle visible impurities in the raw materials;
in the third step, because the polyethylene wax and the C5 petroleum resin are both solid particles, the polyethylene wax and the C5 petroleum resin are placed in a liquid nitrogen tank for liquid nitrogen cooling, the solid particles can be deeply embrittled by cooling the particles, and the polyethylene wax and the C5 petroleum resin particles after deep embrittlement are placed in a pulverizer for pulverization, so that the polyethylene wax and the C5 petroleum resin powder are obtained;
in the fourth step, the polyethylene wax and the C5 petroleum resin powder obtained in the third step are poured into a reaction kettle, APAO random poly α olefin, an antioxidant, a foaming agent and a flame retardant are sequentially added, and a stirrer is used for stirring the raw materials in the reaction kettle, so that the raw materials are uniformly mixed together;
in the fifth step, in the stirring process, the reaction kettle is heated for a period of time, protective nitrogen is introduced into the reaction kettle, so that the raw materials are heated and melted in the reaction kettle, and the melted raw materials are fused together with the continuous work of the stirrer, so that the colloid is prepared;
in the sixth step, the colloid prepared in the fifth step is taken out of the reaction kettle and poured into a mold, different molds are used for making the colloid into different shapes according to use requirements, and the colloid in the molds can be quickly molded by quickly drying the molds, so that the colloid is produced;
and in the seventh step, the colloid produced in the sixth step is wrapped by a plastic film, and the wrapped colloid is stored in a cool and dry place.
According to the technical scheme, the APAO random poly α olefin, the polyethylene wax, the antioxidant, the C5 petroleum resin, the foaming agent and the flame retardant are respectively prepared from 40% of APAO random poly α olefin, 11% of polyethylene wax, 0.5% of antioxidant, 40% of C5 petroleum resin, 3.5% of the foaming agent and 5% of the flame retardant.
According to the technical scheme, the APAO random poly α olefin, the polyethylene wax, the antioxidant, the C5 petroleum resin, the foaming agent and the flame retardant are respectively prepared from 45% of APAO random poly α olefin, 7% of polyethylene wax, 0.3% of antioxidant, 38% of C5 petroleum resin, 4% of foaming agent and 5.7% of flame retardant.
According to the technical scheme, the APAO random poly α olefin, the polyethylene wax, the antioxidant, the C5 petroleum resin, the foaming agent and the flame retardant are respectively prepared from 50% of APAO random poly α olefin, 9% of polyethylene wax, 0.8% of antioxidant, 35% of C5 petroleum resin, 2.2% of foaming agent and 3% of flame retardant.
According to the technical scheme, the antioxidant is any one of antioxidant 1076 and antioxidant 1010.
According to the technical scheme, the foaming agent is an AC foaming agent.
According to the technical scheme, the flame retardant is a magnesium hydroxide flame retardant.
According to the technical scheme, in the third step, the particle size of the powder is 80-100 meshes.
According to the technical scheme, in the fifth step, the heating temperature of the reaction kettle is 140-160 ℃; the heating time of the reaction kettle is 30-35 min.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention selects APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant as raw materials, wherein the antioxidant can improve the antioxidant effect and is beneficial to prolonging the service life;
2. in the manufacturing process, the polyethylene wax and the C5 petroleum resin are subjected to deep embrittlement, so that the crushing effect of the polyethylene wax and the C5 petroleum resin can be effectively improved, the melting effect of the raw materials can be improved during heating, and the bonding strength of the foaming hot melt adhesive is greatly improved.
Drawings
FIG. 1 is a flow chart of a fabrication process of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Referring to fig. 1, the present invention provides a technical solution:
example 1:
the foaming hot melt adhesive comprises APAO random poly α olefin, polyethylene wax, an antioxidant, C5 petroleum resin, a foaming agent and a flame retardant, wherein the raw materials comprise, by weight, 40% of APAO random poly α olefin, 11% of polyethylene wax, 0.5% of the antioxidant, 40% of C5 petroleum resin, 3.5% of the foaming agent and 5% of the flame retardant.
A manufacturing process of a foaming hot melt adhesive comprises the following steps: step one, preparing materials; step two, removing impurities; step three, granulating; step four, mixing materials; step five, hot melting; step six, reversing the mold; seventhly, discharging and storing;
in the first step, APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant are selected as raw materials, the raw materials are prepared according to the proportion of 40% of APAO random poly α olefin, 11% of polyethylene wax, 0.5% of antioxidant, 40% of C5 petroleum resin, 3.5% of foaming agent and 5% of flame retardant, and the raw materials are separately stored after the preparation is completed;
in the second step, filtering the selected APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant so as to remove large-particle visible impurities in the raw materials;
in the third step, because the polyethylene wax and the C5 petroleum resin are both solid particles, the polyethylene wax and the C5 petroleum resin are placed in a liquid nitrogen tank for liquid nitrogen cooling, the solid particles can be deeply embrittled by cooling the particles, and the polyethylene wax and the C5 petroleum resin particles after deep embrittlement are placed in a pulverizer for pulverization, so that the polyethylene wax and the C5 petroleum resin powder are obtained;
in the fourth step, the polyethylene wax and the C5 petroleum resin powder obtained in the third step are poured into a reaction kettle, APAO random poly α olefin, an antioxidant, a foaming agent and a flame retardant are sequentially added, and a stirrer is used for stirring the raw materials in the reaction kettle, so that the raw materials are uniformly mixed together;
in the fifth step, in the stirring process, the reaction kettle is heated for a period of time, protective nitrogen is introduced into the reaction kettle, so that the raw materials are heated and melted in the reaction kettle, and the melted raw materials are fused together with the continuous work of the stirrer, so that the colloid is prepared;
in the sixth step, the colloid prepared in the fifth step is taken out of the reaction kettle and poured into a mold, different molds are used for making the colloid into different shapes according to use requirements, and the colloid in the molds can be quickly molded by quickly drying the molds, so that the colloid is produced;
and in the seventh step, the colloid produced in the sixth step is wrapped by a plastic film, and the wrapped colloid is stored in a cool and dry place.
Wherein the antioxidant is any one of antioxidant 1076 and antioxidant 1010, which can improve the antioxidant effect and is beneficial to prolonging the service life; the foaming agent is an AC foaming agent, so that the foaming effect can be improved; the flame retardant is a magnesium hydroxide flame retardant, has certain flame retardance and can improve the flame retardant effect of the colloid; in the third step, the granularity of the powder is 80-100 meshes, and the smaller the granularity of the powder is, the melting effect during heating can be improved; in the fifth step, the heating temperature of the reaction kettle is 140-160 ℃; the heating time of the reaction kettle is 30-35min, and the melting effect of the raw materials can be improved.
Example 2:
the foaming hot melt adhesive comprises APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant, wherein the raw materials comprise 45% of APAO random poly α olefin, 7% of polyethylene wax, 0.3% of antioxidant, 38% of C5 petroleum resin, 4% of foaming agent and 5.7% of flame retardant.
A manufacturing process of a foaming hot melt adhesive comprises the following steps: step one, preparing materials; step two, removing impurities; step three, granulating; step four, mixing materials; step five, hot melting; step six, reversing the mold; seventhly, discharging and storing;
in the first step, APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant are selected as raw materials, the raw materials are prepared according to the proportion of 45 percent of APAO random poly α olefin, 7 percent of polyethylene wax, 0.3 percent of antioxidant, 38 percent of C5 petroleum resin, 4 percent of foaming agent and 5.7 percent of flame retardant, and the raw materials are separately stored after the preparation is finished;
in the second step, filtering the selected APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant so as to remove large-particle visible impurities in the raw materials;
in the third step, because the polyethylene wax and the C5 petroleum resin are both solid particles, the polyethylene wax and the C5 petroleum resin are placed in a liquid nitrogen tank for liquid nitrogen cooling, the solid particles can be deeply embrittled by cooling the particles, and the polyethylene wax and the C5 petroleum resin particles after deep embrittlement are placed in a pulverizer for pulverization, so that the polyethylene wax and the C5 petroleum resin powder are obtained;
in the fourth step, the polyethylene wax and the C5 petroleum resin powder obtained in the third step are poured into a reaction kettle, APAO random poly α olefin, an antioxidant, a foaming agent and a flame retardant are sequentially added, and a stirrer is used for stirring the raw materials in the reaction kettle, so that the raw materials are uniformly mixed together;
in the fifth step, in the stirring process, the reaction kettle is heated for a period of time, protective nitrogen is introduced into the reaction kettle, so that the raw materials are heated and melted in the reaction kettle, and the melted raw materials are fused together with the continuous work of the stirrer, so that the colloid is prepared;
in the sixth step, the colloid prepared in the fifth step is taken out of the reaction kettle and poured into a mold, different molds are used for making the colloid into different shapes according to use requirements, and the colloid in the molds can be quickly molded by quickly drying the molds, so that the colloid is produced;
and in the seventh step, the colloid produced in the sixth step is wrapped by a plastic film, and the wrapped colloid is stored in a cool and dry place.
Wherein the antioxidant is any one of antioxidant 1076 and antioxidant 1010, which can improve the antioxidant effect and is beneficial to prolonging the service life; the foaming agent is an AC foaming agent, so that the foaming effect can be improved; the flame retardant is a magnesium hydroxide flame retardant, has certain flame retardance and can improve the flame retardant effect of the colloid; in the third step, the granularity of the powder is 80-100 meshes, and the smaller the granularity of the powder is, the melting effect during heating can be improved; in the fifth step, the heating temperature of the reaction kettle is 140-160 ℃; the heating time of the reaction kettle is 30-35min, and the melting effect of the raw materials can be improved.
Example 3:
the foaming hot melt adhesive comprises 50% of APAO random poly- α olefin, 9% of polyethylene wax, 0.8% of antioxidant, 35% of C5 petroleum resin, 2.2% of foaming agent and 3% of flame retardant.
A manufacturing process of a foaming hot melt adhesive comprises the following steps: step one, preparing materials; step two, removing impurities; step three, granulating; step four, mixing materials; step five, hot melting; step six, reversing the mold; seventhly, discharging and storing;
in the first step, APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant are selected as raw materials, the raw materials are prepared according to the proportion of 50% of APAO random poly α olefin, 9% of polyethylene wax, 0.8% of antioxidant, 35% of C5 petroleum resin, 2.2% of foaming agent and 3% of flame retardant, and the raw materials are separately stored after the preparation is completed;
in the second step, filtering the selected APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant so as to remove large-particle visible impurities in the raw materials;
in the third step, because the polyethylene wax and the C5 petroleum resin are both solid particles, the polyethylene wax and the C5 petroleum resin are placed in a liquid nitrogen tank for liquid nitrogen cooling, the solid particles can be deeply embrittled by cooling the particles, and the polyethylene wax and the C5 petroleum resin particles after deep embrittlement are placed in a pulverizer for pulverization, so that the polyethylene wax and the C5 petroleum resin powder are obtained;
in the fourth step, the polyethylene wax and the C5 petroleum resin powder obtained in the third step are poured into a reaction kettle, APAO random poly α olefin, an antioxidant, a foaming agent and a flame retardant are sequentially added, and a stirrer is used for stirring the raw materials in the reaction kettle, so that the raw materials are uniformly mixed together;
in the fifth step, in the stirring process, the reaction kettle is heated for a period of time, protective nitrogen is introduced into the reaction kettle, so that the raw materials are heated and melted in the reaction kettle, and the melted raw materials are fused together with the continuous work of the stirrer, so that the colloid is prepared;
in the sixth step, the colloid prepared in the fifth step is taken out of the reaction kettle and poured into a mold, different molds are used for making the colloid into different shapes according to use requirements, and the colloid in the molds can be quickly molded by quickly drying the molds, so that the colloid is produced;
and in the seventh step, the colloid produced in the sixth step is wrapped by a plastic film, and the wrapped colloid is stored in a cool and dry place.
Wherein the antioxidant is any one of antioxidant 1076 and antioxidant 1010, which can improve the antioxidant effect and is beneficial to prolonging the service life; the foaming agent is an AC foaming agent, so that the foaming effect can be improved; the flame retardant is a magnesium hydroxide flame retardant, has certain flame retardance and can improve the flame retardant effect of the colloid; in the third step, the granularity of the powder is 80-100 meshes, and the smaller the granularity of the powder is, the melting effect during heating can be improved; in the fifth step, the heating temperature of the reaction kettle is 140-160 ℃; the heating time of the reaction kettle is 30-35min, and the melting effect of the raw materials can be improved.
The method has the advantages that APAO random poly α olefin, polyethylene wax, an antioxidant, C5 petroleum resin, a foaming agent and a flame retardant are selected as raw materials, the antioxidant is any one of antioxidant 1076 and antioxidant 1010, the antioxidation effect can be improved, the service life is prolonged, the foaming effect can be improved, the flame retardant is a magnesium hydroxide flame retardant which has certain flame retardance and can improve the flame retardance of colloid, the polyethylene wax, the antioxidant, the C5 petroleum resin, the foaming agent and the flame retardant are prepared according to the proportion of APAO random poly α olefin, the polyethylene wax, the antioxidant, the C5 petroleum resin, the polyethylene wax and the flame retardant are separately stored after preparation, the selected APAO random poly α olefin, the polyethylene wax, the antioxidant, the C539 7 petroleum resin, the foaming agent and the flame retardant are filtered to remove large-particle visible impurities in the raw materials, the polyethylene wax and the C5 petroleum resin are solid particles, the polyethylene wax and the C5 petroleum resin are placed in a liquid nitrogen tank to be cooled, the solid particles are embrittled by cooling, the solid particles are stored in a liquid nitrogen tank, the polyethylene wax and the C5 petroleum resin, the polyethylene wax is heated and the petroleum resin, the polyethylene wax is heated and heated, so that the polyethylene wax is heated and heated, the polyethylene wax is heated and heated, so that the polyethylene wax is heated, the petroleum resin, the polyethylene wax is heated, the petroleum resin, the polyethylene wax is heated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The foaming hot melt adhesive comprises 40-60% of APAO random poly- α olefin, 1-12% of polyethylene wax, 0.1-1% of antioxidant, 30-45% of C5 petroleum resin, 2-5% of foaming agent and 3-6% of flame retardant.
2. A manufacturing process of a foaming hot melt adhesive comprises the following steps: step one, preparing materials; step two, removing impurities; step three, granulating; step four, mixing materials; step five, hot melting; step six, reversing the mold; seventhly, discharging and storing; the method is characterized in that:
in the first step, APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant are selected as raw materials, the raw materials are prepared according to the proportion of 40-60% of APAO random poly α olefin, 1-12% of polyethylene wax, 0.1-1% of antioxidant, 30-45% of C5 petroleum resin, 2-5% of foaming agent and 3-6% of flame retardant, and the raw materials are independently stored after the preparation is finished;
in the second step, filtering the selected APAO random poly α olefin, polyethylene wax, antioxidant, C5 petroleum resin, foaming agent and flame retardant so as to remove large-particle visible impurities in the raw materials;
in the third step, because the polyethylene wax and the C5 petroleum resin are both solid particles, the polyethylene wax and the C5 petroleum resin are placed in a liquid nitrogen tank for liquid nitrogen cooling, the solid particles can be deeply embrittled by cooling the particles, and the polyethylene wax and the C5 petroleum resin particles after deep embrittlement are placed in a pulverizer for pulverization, so that the polyethylene wax and the C5 petroleum resin powder are obtained;
in the fourth step, the polyethylene wax and the C5 petroleum resin powder obtained in the third step are poured into a reaction kettle, APAO random poly α olefin, an antioxidant, a foaming agent and a flame retardant are sequentially added, and a stirrer is used for stirring the raw materials in the reaction kettle, so that the raw materials are uniformly mixed together;
in the fifth step, in the stirring process, the reaction kettle is heated for a period of time, protective nitrogen is introduced into the reaction kettle, so that the raw materials are heated and melted in the reaction kettle, and the melted raw materials are fused together with the continuous work of the stirrer, so that the colloid is prepared;
in the sixth step, the colloid prepared in the fifth step is taken out of the reaction kettle and poured into a mold, different molds are used for making the colloid into different shapes according to use requirements, and the colloid in the molds can be quickly molded by quickly drying the molds, so that the colloid is produced;
and in the seventh step, the colloid produced in the sixth step is wrapped by a plastic film, and the wrapped colloid is stored in a cool and dry place.
3. The foaming hot melt adhesive of claim 1, wherein the APAO random poly α olefin, the polyethylene wax, the antioxidant, the C5 petroleum resin, the foaming agent and the flame retardant are respectively prepared from APAO random poly α olefin 40%, the polyethylene wax 11%, the antioxidant 0.5%, the C5 petroleum resin 40%, the foaming agent 3.5% and the flame retardant 5%.
4. The foaming hot melt adhesive of claim 1, wherein the APAO random poly α olefin, the polyethylene wax, the antioxidant, the C5 petroleum resin, the foaming agent and the flame retardant are respectively 45% of APAO random poly α olefin, 7% of polyethylene wax, 0.3% of antioxidant, 38% of C5 petroleum resin, 4% of the foaming agent and 5.7% of the flame retardant.
5. The foaming hot melt adhesive of claim 1, wherein the APAO random poly α olefin, the polyethylene wax, the antioxidant, the C5 petroleum resin, the foaming agent and the flame retardant are respectively prepared from 50% of APAO random poly α olefin, 9% of polyethylene wax, 0.8% of antioxidant, 35% of C5 petroleum resin, 2.2% of the foaming agent and 3% of the flame retardant.
6. The foaming hot melt adhesive of claim 1, wherein: the antioxidant is any one of antioxidant 1076 and antioxidant 1010.
7. The foaming hot melt adhesive of claim 1, wherein: the foaming agent is an AC foaming agent.
8. The foaming hot melt adhesive of claim 1, wherein: the flame retardant is a magnesium hydroxide flame retardant.
9. The manufacturing process of the foaming hot melt adhesive as claimed in claim 2, wherein the manufacturing process comprises the following steps: in the third step, the particle size of the powder is 80-100 meshes.
10. The manufacturing process of the foaming hot melt adhesive as claimed in claim 2, wherein the manufacturing process comprises the following steps: in the fifth step, the heating temperature of the reaction kettle is 140-160 ℃; the heating time of the reaction kettle is 30-35 min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030599A (en) * | 2020-09-02 | 2020-12-04 | 上海金星包装材料有限公司 | Blending wax for coating aquatic product packaging boxes and preparation method thereof |
| CN115353842A (en) * | 2022-09-14 | 2022-11-18 | 山东北方现代化学工业有限公司 | Flame-retardant EVA (ethylene-vinyl acetate) foaming hot melt adhesive and preparation method thereof |
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