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Environment-friendly plastic adhesive and preparation method thereof

A technology of environmentally friendly plastics and adhesives, applied in the direction of adhesive types, ester copolymer adhesives, polymer adhesive additives, etc., to achieve the effects of low equipment dependence, high bonding strength, and high reliability

Inactive Publication Date: 2021-05-14
张攸
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the adhesive performance, durability and aging resistance of this plastic adhesive need to be further improved

Method used

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  • Environment-friendly plastic adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of environment-friendly plastic adhesive is characterized in that, comprises following each component by weight: 5 parts of rosin-based hyperbranched epoxy resins, 3 parts of epoxidized SBS, 4 parts of fillers, allyl furoate / N-vinylcaprolactam / N-trimethylolmethacrylamide / N-(4-cyano-3-trifluoromethylphenyl)methacrylamide / trifluoroethyl methacrylate copolymer 12 parts , 3 parts of isocyanate group ionized modified 2,5-bis(diethylamino)phenyl-1,3,4-oxadiazole, 0 parts of dibutyltin dilaurate, 70 parts of mixed solvent; the mixed solvent is Tetrahydrofuran, methyl ethyl ketone, butyl acetate, and N,N-dimethylformamide in a mass ratio of 1:1:0.5:0.8.

[0028] The preparation method of the isocyanate group ionization modified 2,5-bis(diethylamino)phenyl-1,3,4-oxadiazole comprises the following steps: 2,5-bis(diethylamino) Phenyl-1,3,4-oxadiazole and chloroethyl isocyanate were added to dimethyl sulfoxide, stirred and reacted at 40°C for 4 hours, and then the solvent ...

Embodiment 2

[0033] A kind of environment-friendly plastic adhesive is characterized in that, comprises following each component by weight: 6 parts of rosin-based hyperbranched epoxy resins, 3.5 parts of epoxidized SBS, 4.5 parts of fillers, allyl furoate / N-vinylcaprolactam / N-trimethylolmethacrylamide / N-(4-cyano-3-trifluoromethylphenyl)methacrylamide / trifluoroethyl methacrylate copolymer 14 parts , 3.5 parts of isocyanate group ionized modified 2,5-bis(diethylamino)phenyl-1,3,4-oxadiazole, 0.1 part of dibutyltin dilaurate, 73 parts of mixed solvent; the mixed solvent is Tetrahydrofuran, methyl ethyl ketone, butyl acetate, and N,N-dimethylformamide are in a mass ratio of 1.3:1:0.6:0.9.

[0034] The preparation method of the isocyanate group ionization modified 2,5-bis(diethylamino)phenyl-1,3,4-oxadiazole comprises the following steps: 2,5-bis(diethylamino) Phenyl-1,3,4-oxadiazole and chloroethyl isocyanate were added to dimethyl sulfoxide, stirred and reacted at 45°C for 4.5 hours, and th...

Embodiment 3

[0039] A kind of environment-friendly plastic adhesive is characterized in that, comprises the following components by weight: 6.5 parts of rosin-based hyperbranched epoxy resins, 4 parts of epoxidized SBS, 5.5 parts of fillers, allyl furoate / N-vinylcaprolactam / N-trimethylolmethacrylamide / N-(4-cyano-3-trifluoromethylphenyl)methacrylamide / trifluoroethyl methacrylate copolymer 16 parts , 4 parts of isocyanate group ionized modified 2,5-bis(diethylamino)phenyl-1,3,4-oxadiazole, 0.15 parts of dibutyltin dilaurate, 75 parts of mixed solvent; the mixed solvent is Tetrahydrofuran, methyl ethyl ketone, butyl acetate, and N,N-dimethylformamide are in a mass ratio of 1.5:1:0.65:1.

[0040] The preparation method of the isocyanate group ionization modified 2,5-bis(diethylamino)phenyl-1,3,4-oxadiazole comprises the following steps: 2,5-bis(diethylamino) Phenyl-1,3,4-oxadiazole and chloroethyl isocyanate were added to dimethyl sulfoxide, stirred and reacted at 50°C for 5 hours, and then ...

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Abstract

The invention discloses an environment-friendly plastic adhesive and a preparation method thereof. The adhesive comprises the following components in parts by weight: 5-8 parts of rosin-based hyperbranched epoxy resin, 3-5 parts of epoxidized SBS, 4-7 parts of filler, 12-20 parts of allyl furoate / N-vinyl caprolactam / N-trihydroxymethyl methacrylamide / N-(4-cyano-3-trifluoromethylphenyl)methacrylamide / trifluoroethyl methacrylate copolymer, 3-5 parts of isocyanate group ionized modified 2,5-bis(diethylamino)phenyl-1,3,4-diazole, 0-0.3 part of dibutyltin dilaurate and 70-80 parts of a mixed solvent. The invention also provides a preparation method of the environment-friendly plastic adhesive. The environment-friendly plastic adhesive provided by the invention is high in bonding strength, good in environmental protection property, durability and aging resistance, fast in curing, high in reliability and good in weather resistance and moisture resistance.

Description

technical field [0001] The invention relates to the technical field of adhesives, in particular to an environmentally friendly plastic adhesive and a preparation method thereof. Background technique [0002] With the development of the national economy and the improvement of people's living standards, people put forward higher requirements for plastic products, not only to have excellent comprehensive properties, but also to have good bonding effects. The realization of the bonding effect is inseparable from the use of adhesives. Plastic adhesive is a polymer material with cohesive force, which is solidified by chemical reaction or physical interaction between the material itself and the interface, and can connect or bond the same or different material interfaces to achieve the bonding effect. [0003] At present, there are many types of plastic adhesives on the market, such as epoxy resins, cyanoacrylates, phenolic resins, and urea-formaldehyde resins. However, there are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/14C09J163/00C09J153/02C09J11/08C09J11/06C09J11/04
CPCC08L2201/08C09J11/04C09J11/06C09J11/08C09J133/14C08L63/00C08L53/025C08K7/26C08K5/3445C08K3/346
Inventor 张攸
Owner 张攸
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