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Special high temperature resistant adhesive resins for steel-plastic composite pipe and preparation method thereof

A steel-plastic composite pipe and bonding resin technology, applied in the direction of aldehyde/ketone condensation polymer adhesives, adhesives, adhesive types, etc., to achieve the effects of high stability, excellent corrosion resistance, and good bonding performance

Active Publication Date: 2013-01-09
SHANGHAI BANGZHONG NEW MATERIAL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the technical problems of the special adhesive resin for the existing steel-plastic composite pipe used in hot water pipes, and provides a new type of special adhesive resin for high-temperature-resistant steel-plastic composite pipe and its preparation method

Method used

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  • Special high temperature resistant adhesive resins for steel-plastic composite pipe and preparation method thereof
  • Special high temperature resistant adhesive resins for steel-plastic composite pipe and preparation method thereof
  • Special high temperature resistant adhesive resins for steel-plastic composite pipe and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Components (parts by mass) of special adhesive resin for high temperature resistance of steel-plastic composite pipe:

[0025]

[0026] Raise the temperature of the reactor with agitator to 140°C. After controlling the temperature to be constant, add plasticizer, wax, tackifier and anti-aging agent into the reactor, stir, and pass through nitrogen protection, and stir until the solid material Melt completely, then raise the temperature to 160-170°C, add EEA resin, after EEA is completely melted, add other additives and stir well. Pour the prepared resin into a container coated with anti-sticking agent after cooling down a little to obtain the bonding resin.

Embodiment 2

[0028] Components (parts by mass) of special adhesive resin for high temperature resistance of steel-plastic composite pipe:

[0029]

[0030] Raise the temperature of the reactor with agitator to 150°C. After controlling the temperature to be constant, add plasticizer, wax, tackifier and anti-aging agent into the reactor, stir, and pass through nitrogen protection, and stir until the solid material Melt completely, then raise the temperature to 160-170°C, add EEA resin, after EEA is completely melted, add other additives and stir well. Pour the prepared resin into a container coated with anti-sticking agent after cooling down a little to obtain the bonding resin.

Embodiment 3

[0032] Components (parts by mass) of special adhesive resin for high temperature resistance of steel-plastic composite pipe:

[0033]

[0034] Raise the temperature of the reactor with agitator to 145°C. After controlling the temperature to be constant, add plasticizer, wax, tackifier and anti-aging agent into the reactor, stir, and pass through nitrogen protection, and stir until the solid material Melt completely, then raise the temperature to 160-170°C, add EEA resin, after EEA is completely melted, add other additives and stir well. Pour the prepared resin into a container coated with anti-sticking agent after cooling down a little to obtain the bonding resin.

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Abstract

The invention belongs to the technical field of the adhesive and particularly relates to a preparation method of special high temperature resistant adhesive resins for the steel-plastic composite pipe. The adhesive resins comprise the following components in parts by weight: 80-100 parts of EEA, 5-10 parts of vinyltrimethoxylsilane, 15-20 parts of tackifier, 5-10 parts of toughening agent, 15-20 parts of stickiness regulator and 0.5-1 part of antioxidant. The preparation method comprises the following steps: heating a reaction kettle to 140-150 DEG C, adding a plasticizer, wax, the tackifier and an antiager in the reactor, stirring, injecting nitrogen to protect and completely melt the solid material, heating to 160-170 DEG C, adding EEA resins to completely melt EEA, adding the other additives and stirring evenly. The prepared special adhesive resins for the steel-plastic composite pipe have good temperature resistance and high fluidity, is easy to operate, has good bonding property to the polar and nonpolar materials and is very suitable for the bonding of the steel-plastic composite pipe.

Description

technical field [0001] The invention belongs to the technical field of adhesives, and in particular relates to a preparation method of a high-temperature-resistant special adhesive resin for steel-plastic composite pipes. Background technique [0002] With the rapid development of my country's economy and the continuous improvement of people's quality of life, people have higher and higher requirements for the safety and reliability of water supply systems, economic hygiene and other aspects. In the field of water supply, the use of galvanized pipes and cast iron pipes is restricted in some cities due to unsatisfactory water delivery quality, while single plastic pipes are also limited in scope of use due to their low strength, poor fire and earthquake resistance, and easy aging. limit. [0003] Steel-plastic composite pipe is referred to as steel-plastic pipe for short. With steel pipe as the base material, it not only has the strength and toughness of steel pipe, but also...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J123/08C09J11/06C09J161/06C09J123/20
Inventor 储江顺毕宏海彭艳华毕宏清程启山欧阳圣肖伏兰汪丽毕宏俊欧阳贵郑飞燕刘童军
Owner SHANGHAI BANGZHONG NEW MATERIAL
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