CN110746911A - Preparation method of high-adhesion monomer-residue-free aluminum-plastic composite film hot melt adhesive - Google Patents
Preparation method of high-adhesion monomer-residue-free aluminum-plastic composite film hot melt adhesive Download PDFInfo
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- CN110746911A CN110746911A CN201910878528.1A CN201910878528A CN110746911A CN 110746911 A CN110746911 A CN 110746911A CN 201910878528 A CN201910878528 A CN 201910878528A CN 110746911 A CN110746911 A CN 110746911A
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- hot melt
- melt adhesive
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- plastic composite
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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
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/06—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
- C08F255/04—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms on to ethene-propene copolymers
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a preparation method of a high-adhesion monomer-residue-free aluminum-plastic composite film hot melt adhesive, which comprises the following components: propylene-based elastomer, POE, initiator, maleic anhydride and solvent. The preparation method of the aluminum-plastic composite film comprises the following steps: (1) uniformly mixing the propenyl elastomer, POE, maleic anhydride and a solvent; (2) placing the mixture in a reaction kettle, stirring and heating to be molten; (3) adding an initiator into a reaction kettle, heating and stirring, and taking out reactants after the reaction is finished and cooling; (4) adding ethyl acetate into the reaction product, and stirring until a large amount of white solid is separated out; (5) filtering out solid and drying or airing to obtain the hot melt adhesive. Compared with the traditional method for preparing the hot melt adhesive by double-screw extrusion, the preparation method has the advantages of high grafting efficiency, no monomer residue and the like.
Description
Technical Field
The invention relates to a high-adhesion monomer residue-free aluminum-plastic composite film adhesive prepared by grafting maleic anhydride on a polyolefin elastomer.
Background
The aluminum-plastic composite film is a functional film with very wide application field, and has extremely high barrier property; good cold stamping formability; puncture resistance; electrolyte resistance stability; excellent physical properties such as electrical properties (including insulation properties) have been widely used in various fields such as food packaging, new energy, chemical industry, and electronics. However, the low surface of the plastic can make most of hot melt adhesive, printing ink, coating and the like difficult to adhere to the surface of the plastic, the currently domestic aluminum-plastic composite film hot melt adhesive mainly depends on imported hot melt adhesive, and the imported hot melt adhesive has high cost and the narrow purchasing channel greatly limits the development of the aluminum-plastic film industry.
Before this time, our company has applied for the invention patent of "a new type aluminum-plastic composite film hot melt adhesive and its preparation method", the application date is: 2018.12.28, application No.: 201811617308.5. the patent prepares the aluminum plastic film hot melt adhesive by utilizing a double-screw reactive extrusion process, the process is environment-friendly and high in production efficiency, but the defects of low grafting rate and monomer residue exist in the maleic anhydride grafting process, so that the development of the aluminum plastic film hot melt adhesive with high grafting rate and no monomer residue and the manufacturing process thereof become an important research topic.
Disclosure of Invention
Aiming at the current industry market situation, the invention aims to provide the aluminum-plastic hot melt adhesive which has high bonding strength and low cost and is convenient for expanded production. Meanwhile, the method is suitable for the existing industrial production process flow and can realize continuous production.
The purpose of the invention can be achieved by adopting the following technical scheme:
the high-adhesion monomer-residue-free aluminum-plastic composite film hot melt adhesive comprises the following components: propylene-based elastomer, POE, initiator, maleic anhydride and solvent.
The weight percentage of the components is as follows:
the propylene-based elastomer is an elastomer obtained by binary copolymerization of propylene and ethylene.
The POE is an elastomer obtained by binary copolymerization of ethylene and butylene.
The initiator is a peroxide initiator and can be one or more of dicumyl peroxide, di-tert-butyl peroxide, benzoyl peroxide, dichlorobenzoyl peroxide, tert-butyl peroxylaurate, 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane, bis (tert-butylperoxyisopropyl) benzene, tert-butylcumyl peroxide, tert-butyl peroxybenzoate and tert-butyl peroxyacetate.
The solvent is one or two of analytically pure or industrially pure dimethylbenzene and methylbenzene.
A preparation method of a high-adhesion monomer-residue-free aluminum-plastic composite film hot melt adhesive is characterized by comprising the following preparation steps:
(1) uniformly mixing the propenyl elastomer, POE, maleic anhydride and a solvent;
(2) placing the mixture in a reaction kettle, stirring and heating to be molten;
(3) adding an initiator into a reaction kettle, heating and stirring, and taking out reactants after the reaction is finished and cooling;
(4) adding ethyl acetate into the reaction product, and stirring until a large amount of white solid is separated out;
(5) filtering out solid and drying or airing to obtain the hot melt adhesive.
The invention has the beneficial effects that:
the invention makes up the defects of the aluminum-plastic composite film hot melt adhesive in China, has better heat resistance, acid resistance and adhesion performance than other types of sealants, and has the advantages of high grafting efficiency, no monomer residue and the like compared with the traditional double-screw extrusion preparation method of the hot melt adhesive. The invention simplifies the production process and reduces the production cost. Moreover, the performance of the composite film hot melt adhesive is superior to that of a composite film hot melt adhesive patent already reported by the company, the grafting rate is higher, and the defect of monomer residue is overcome.
Detailed Description
The invention is further described below:
the high-adhesion monomer residue-free aluminum-plastic composite film hot melt adhesive comprises the following components in parts by weight:
the propylene-based elastomer is an elastomer obtained by copolymerizing propylene and ethylene, and is particularly limited, and it must be exxonmobil Vistamaxx3980 FL.
The POE is an elastomer of ethylene and butylene binary copolymerization and is Dow ENGAGE 7447.
The initiator is a peroxide initiator, and preferably can be one or more of dicumyl peroxide, di-tert-butyl peroxide, benzoyl peroxide, dichlorobenzoyl peroxide, tert-butyl peroxylaurate, 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane, bis (tert-butylperoxyisopropyl) benzene, tert-butylcumyl peroxide, tert-butyl peroxybenzoate and tert-butyl peroxyacetate. Among them, one or more of dicumyl peroxide, di-t-butyl peroxide and 2, 5-dimethyl-2, 5-di (t-butylperoxy) hexane are preferable.
The maleic anhydride is preferably commercially available analytical pure maleic anhydride.
The solvent is preferably one or two of commercially common analytically pure or industrially pure xylene and toluene.
A preparation method of a high-adhesion monomer-residue-free aluminum-plastic composite film hot melt adhesive comprises the following specific steps:
(1) mixing the propenyl elastomer, POE, maleic anhydride and solvent uniformly.
(2) And (3) placing the mixture in a reaction kettle, stirring and heating to be molten.
(3) Adding an initiator into the reaction kettle, heating and stirring, and taking out reactants after the reaction is finished and cooling.
(4) 30-100 parts of ethyl acetate was added to the reaction and stirred until a large amount of white solid precipitated.
(5) Filtering out solid and drying or airing to obtain the hot melt adhesive.
The preparation method specifically comprises the following steps:
uniformly mixing the propenyl elastomer, POE, maleic anhydride and a solvent, placing the mixture into a reaction kettle, stirring and heating the mixture to 80-120 ℃ for melting, adding an initiator after melting, stirring, raising the temperature to 140-200 ℃ for continuously reacting for 2-5h, taking out a reactant after the reaction is completed, cooling the reactant to room temperature, adding 30-100 parts by weight of ethyl acetate into the reactant, stirring until a large amount of white is separated out, filtering out a solid, and drying or airing to obtain the hot melt adhesive.
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, specific embodiments are described in detail below. The invention is in no way limited to these examples. The following description is only a preferred embodiment of the present invention, and is only for the purpose of explaining the present invention, and should not be construed as limiting the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Example 1:
adding 100 parts of propenyl elastomer Vistamaxx3980FL, 1 part of maleic anhydride and 100 parts of xylene into a reaction kettle, heating to 100 ℃, stirring for dissolving, adding 0.05 part of 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane after complete dissolution, heating to 140 ℃, reacting for 5 hours, cooling to room temperature after complete reaction, adding 50 parts of ethyl acetate, stirring, filtering out a solid, and drying in an oven at 60 ℃ to obtain the aluminum plastic film hot melt adhesive.
Example 2:
adding 80 parts of propenyl elastomer Vistamaxx3980FL, 20 parts of POE ENGAGE 7447, 1 part of maleic anhydride and 100 parts of xylene into a reaction kettle, heating to 100 ℃, stirring and dissolving, adding 0.05 part of 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane after complete dissolution, heating to 140 ℃, reacting for 5 hours, cooling to room temperature after complete reaction, adding 50 parts of ethyl acetate, stirring, filtering out solids, and drying in an oven at 60 ℃ to obtain the aluminum plastic film hot melt adhesive.
Example 3:
65 parts of propenyl elastomer Vistamaxx3980FL, 35 parts of POE ENGAGE 7447, 1 part of maleic anhydride and 100 parts of xylene are added into a reaction kettle, heated to 100 ℃, stirred and dissolved, after complete dissolution, 0.05 part of 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane is added, the temperature is raised to 140 ℃, reaction is carried out for 5 hours, after complete reaction, cooling to room temperature is carried out, 50 parts of ethyl acetate is added, stirring and filtering are carried out, and solids are filtered and placed into an oven at 60 ℃ for drying to obtain the aluminum plastic film hot melt adhesive.
Example 4:
adding 50 parts of propenyl elastomer Vistamaxx3980FL, 50 parts of POE ENGAGE 7447, 1 part of maleic anhydride and 100 parts of dimethylbenzene into a reaction kettle, heating to 100 ℃, stirring and dissolving, adding 0.05 part of 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane after complete dissolution, heating to 140 ℃, reacting for 5 hours, cooling to room temperature after complete reaction, adding 50 parts of ethyl acetate, stirring, filtering to obtain a Chinese body, and drying in an oven at 60 ℃ to obtain the aluminum plastic film hot melt adhesive.
TABLE 1 comparison of the Properties of the examples
Claims (9)
1. The high-adhesion monomer-residue-free aluminum-plastic composite film hot melt adhesive is characterized by comprising the following components: propylene-based elastomer, POE, initiator, maleic anhydride and solvent.
2. The aluminum-plastic composite film hot melt adhesive as claimed in claim 1, which comprises the following components by weight:
3. the aluminum-plastic composite film hot melt adhesive of claim 1 or 2, wherein the propylene-based elastomer is a propylene and ethylene binary copolymer elastomer, and is exxonmobil Vistamaxx3980 FL.
4. The aluminum-plastic composite film hot melt adhesive according to claim 1 or 2, wherein the POE is an elastomer obtained by binary copolymerization of ethylene and butylene, and is Dow ENGAGE 7447.
5. The aluminum-plastic composite film hot melt adhesive according to claim 1 or 2, wherein the initiator is a peroxide initiator selected from one or more of dicumyl peroxide, dibutyl peroxide, benzoyl dichloride peroxide, tert-butyl peroxylaurate, 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane, bis (tert-butylperoxyisopropyl) benzene, tert-butylcumyl peroxide, tert-butyl peroxybenzoate and tert-butyl peroxyacetate.
6. The aluminum-plastic composite film hot melt adhesive of claim 1 or 2, wherein the initiator is a peroxide initiator selected from one or two of dicumyl peroxide, di-tert-butyl peroxide and 2, 5-dimethyl-2, 5-di (tert-butylperoxy) hexane.
7. The aluminum-plastic composite film hot melt adhesive according to claim 1 or 2, wherein the solvent is one or two of analytically pure or industrially pure xylene and toluene.
8. A preparation method of a high-adhesion monomer-residue-free aluminum-plastic composite film hot melt adhesive is characterized by comprising the following preparation steps:
(1) uniformly mixing the propenyl elastomer, POE, maleic anhydride and a solvent;
(2) placing the mixture in a reaction kettle, stirring and heating to be molten;
(3) adding an initiator into a reaction kettle, heating and stirring, and taking out reactants after the reaction is finished and cooling;
(4) adding ethyl acetate into the reaction product, and stirring until a large amount of white solid is separated out;
(5) filtering out solid and drying or airing to obtain the hot melt adhesive.
9. The method according to claim 8, wherein the propylene-based elastomer, POE, maleic anhydride and the solvent are mixed uniformly; placing the mixture into a reaction kettle, stirring and heating the mixture to be melted at 80-120 ℃; adding an initiator, stirring, raising the temperature to 140-200 ℃, continuing to react for 2-5h, taking out a reactant after the reaction is completed, and cooling to room temperature; adding 30-100 parts by weight of ethyl acetate into the reactant, stirring until a large amount of white is separated out, filtering out solids, and drying or airing to obtain the hot melt adhesive.
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| CN201910878528.1A CN110746911A (en) | 2019-09-18 | 2019-09-18 | Preparation method of high-adhesion monomer-residue-free aluminum-plastic composite film hot melt adhesive |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126216A (en) * | 1994-12-28 | 1996-07-10 | 中国科学院长春应用化学研究所 | Preparation method of polypropylene surface modification suspension |
| CN1914288A (en) * | 2004-02-03 | 2007-02-14 | 旭硝子株式会社 | Adhesive composition and glass plate with molding made of thermoplastic elastomer |
| WO2018168358A1 (en) * | 2017-03-17 | 2018-09-20 | 株式会社神戸製鋼所 | Surface-treated metal plate for polyolefin adhesion, and composite member |
| CN109666424A (en) * | 2018-12-28 | 2019-04-23 | 惠州市百泉河实业有限公司 | A kind of novel aluminum-plastic composite film heat melten gel and preparation method thereof |
-
2019
- 2019-09-18 CN CN201910878528.1A patent/CN110746911A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126216A (en) * | 1994-12-28 | 1996-07-10 | 中国科学院长春应用化学研究所 | Preparation method of polypropylene surface modification suspension |
| CN1914288A (en) * | 2004-02-03 | 2007-02-14 | 旭硝子株式会社 | Adhesive composition and glass plate with molding made of thermoplastic elastomer |
| WO2018168358A1 (en) * | 2017-03-17 | 2018-09-20 | 株式会社神戸製鋼所 | Surface-treated metal plate for polyolefin adhesion, and composite member |
| CN109666424A (en) * | 2018-12-28 | 2019-04-23 | 惠州市百泉河实业有限公司 | A kind of novel aluminum-plastic composite film heat melten gel and preparation method thereof |
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Application publication date: 20200204 |