Glue firm in adhesion and preparation technology thereof

A preparation process and bonding technology, applied in the direction of adhesives, non-polymer adhesive additives, non-polymer organic compound adhesives, etc. , chemical corrosion resistance and poor water vapor corrosion resistance, etc., to achieve the effect of long-term viscosity change, not easy to corrupt, no unpleasant odor, and not easy to fall off.

Inactive Publication Date: 2017-03-22
嘉善弘欣化工厂(普通合伙)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the disadvantages of the current relatively fast and relatively strong glues of 801 superglue and 502 superglue, the bonding firmness is not particularly strong, the chemical corrosion resistance and water vapor erosion resistance are poor, and the long-term viscosity changes greatly and is easily corrupted. The technical problem to be solved by the invention is to provide a glue with strong adhesion, strong resistance to chemical corrosion and water vapor erosion, small change in long-term viscosity and not easy to be corrupted, and its preparation process

Method used

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  • Glue firm in adhesion and preparation technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A process for preparing a strong glue:

[0031] Step 1: According to each formula, it is made from the following raw materials in parts by weight: 50 parts of ethyl cyanoacrylate monomer, 3 parts of acrylamide, 3 parts of emulsifier, 5 parts of ethyl cyanoacrylate, 2.5 parts of antioxidant , 3.5 parts rosin resin, 4 parts N-phenyl-B-naphthylamine, 10 parts sodium polyacrylate, 8 parts methyl acrylate copolymer, 2 parts sulfur dioxide, 0.5 parts butyl rubber, first take ethyl cyanoacrylate monomer 50 parts, 5 parts of ethyl cyanoacrylate, 4 parts of N-phenyl-B-naphthylamine and 8 parts of methyl acrylate copolymer are added to the stirred tank for mixing. The stirred tank is airtight at room temperature without oxygen, and the stirred tank It is filled with nitrogen for protection, and then slowly heated while mixing. The ultrasonic vibration is used for mixing. The ultrasonic frequency during ultrasonic vibration is 25kHz. After 25min of mixing, it is heated to 50°C and th...

Embodiment 2

[0037] A process for preparing a strong glue:

[0038] Step 1: According to each formula, it is made from the following raw materials in parts by weight: 55 parts of ethyl cyanoacrylate monomer, 5 parts of acrylamide, 4 parts of emulsifier, 8 parts of ethyl cyanoacrylate, 1.5 parts of antioxidant , 2.5 parts of rosin resin, 3 parts of N-phenyl-B-naphthylamine, 7 parts of sodium polyacrylate, 8 parts of methyl acrylate copolymer, 3 parts of sulfur dioxide, 2.5 parts of butyl rubber, first take ethyl cyanoacrylate monomer 55 parts, 8 parts of ethyl cyanoacrylate, 3 parts of N-phenyl-B-naphthylamine and 8 parts of methyl acrylate copolymer are added to the stirred tank for mixing. The stirred tank is airtight at room temperature without oxygen, and the stirred tank It is filled with nitrogen for protection, and then is slowly heated while mixing. The ultrasonic vibration is used for mixing. The ultrasonic frequency during ultrasonic vibration is 35kHz. After 20 minutes of mixing, it...

Embodiment 3

[0044] A process for preparing a strong glue:

[0045] Step 1: According to each formula, it is made from the following raw materials in parts by weight: 53 parts of ethyl cyanoacrylate monomer, 4 parts of acrylamide, 3 parts of emulsifier, 6 parts of ethyl cyanoacrylate, 2 parts of antioxidant , 3 parts of rosin resin, 3.5 parts of N-phenyl-B-naphthylamine, 9 parts of sodium polyacrylate, 7 parts of methyl acrylate copolymer, 2.5 parts of sulfur dioxide, 1.5 parts of butyl rubber, first take ethyl cyanoacrylate monomer 53 parts, 6 parts of ethyl cyanoacrylate, 3.5 parts of N-phenyl-B-naphthylamine and 7 parts of methyl acrylate copolymer are added to the stirred tank for mixing. The stirred tank is airtight at room temperature without oxygen, and the stirred tank It is filled with nitrogen for protection, and then slowly heated while mixing. The ultrasonic vibration is used for mixing. The ultrasonic frequency during ultrasonic vibration is 30kHz. After 23min of mixing, it is he...

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Abstract

The invention relates to glue and a preparation technology thereof, in particular to glue firm in adhesion and a preparation technology thereof. The glue is high in adhesion firmness, high in chemical corrosion resistance and water vapor erosion resistance, little in viscosity change after long-time storage and not prone to spoilage. The glue firm in adhesion is prepared from, by weight, 50-55 parts of ethyl cyanoacrylate monomers, 3-5 parts of acrylamide, 2-4 parts of emulsifier, 5-8 parts of ethyl cyanoacrylate and the like. The preparation technology includes five steps. The glue formed by mixing and reacting ethyl cyanoacrylate monomers, acrylamide, emulsifier, ethyl cyanoacrylate, an antioxidant, abietin and the like is little in viscosity change after long-time storage, free of offensive odor and toxin, harmless to bodies and capable of being used in life and industries, articles need to be attached to firm places, are not likely to fall off, can be maintained for a long time and is fixedly pasted.

Description

Technical field [0001] The invention relates to a glue and a preparation process thereof, in particular to a glue with firm adhesion and a preparation process thereof. Background technique [0002] Glue is a substance that can bond two objects. Glue does not exist independently, it must be applied between two objects to play a bonding role. The chemical composition of the glue, in an aqueous environment. The macromolecules in the glue (vinyl acetate in the white glue is a kind of petroleum derivative) are all round particles, and the radius of the particles is generally between 0.5-5μm. The adhesion of objects is achieved by the tension between the polymers in the glue. In the glue, water is the carrier of the medium polymer, and the water carries the polymer and slowly immerses into the tissue of the object. When the water in the glue disappears, the macromolecules in the glue rely on mutual tension to bind the two objects tightly. In the use of glue, if the amount of glue ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/04C09J4/06C09J11/04C09J11/06
CPCC09J4/06C09J11/04C09J11/06
Inventor 周峰
Owner 嘉善弘欣化工厂(普通合伙)
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