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Manufacturing method of one-pack type water-soluble polyurea resin and one-pack type water-soluble polyurea resin product manufactured by the same

A technology for the production of water-soluble polyurea resin, which is applied to the manufacture of one-component water-soluble polyurea resin and the field of one-component water-soluble polyurea resin products made from it, and can solve the problems such as difficulty in forming a coating film

Active Publication Date: 2013-05-29
吴勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The disadvantage of the traditional method of coating water-soluble resin on the target object is that the water-soluble resin only permeates when the permeable resin is impregnated, and it is difficult to form a coating; while the resin with coating-forming properties is impregnated, the water-soluble resin only forms a coating, Therefore, it is easy to separate from the target

Method used

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  • Manufacturing method of one-pack type water-soluble polyurea resin and one-pack type water-soluble polyurea resin product manufactured by the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The following is a production example of a one-pack type water-soluble polyurea resin.

[0013] 1. Add 70kg of polypropylene glycol (polyol) with a molecular weight of 2000 to the fully dry reactor. At this time, the temperature of the reactor was maintained at 90°C.

[0014] 2. After heating the polypropylene glycol to 80°C, add 5kg of DMPA (dimethylolpropionic acid) and heat until the raw material temperature reaches 80°C.

[0015] 3. After the temperature reaches 80°C, add 13kg of MDI and heat the raw material to 110°C. At this point, the total reaction time does not exceed 50 minutes.

[0016] 4. Add 10 kg of IPDI, add a catalyst, and react for 60 minutes. At this time, the raw material temperature is maintained at 70-90°C.

[0017] 5. After adding triethanolamine [TEA (triethanolamine)], the reaction was carried out for about 20 minutes. At this time, in order to eliminate odors such as acetone, amine, ammonia, and solvent components inside the reactor, air is...

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Abstract

The invention relates to a manufacturing method of a one-pack type water-soluble polyurea resin and a one-pack type water-soluble polyurea resin product manufactured by the method. During coating of a one-pack type water-soluble polyurea resin on an object, a part of the resin is infiltrated into the object, and a part of the resin is coated on the object to form a coating; therefore the adhesive force of the object is increased, and a manufacturing method of a coated one-pack type water-soluble polyurea resin and a one-pack type water-soluble polyurea resin product manufactured by the method are formed. The method is widely applicable to the production of products such as fiber coating agents, concrete coating waterproofing agents, etc.

Description

1. Technical field [0001] The present invention is directed to a manufacturing method of a one-component water-soluble polyurea resin and a one-component water-soluble polyurea resin product produced by the method. The principle of one-component water-soluble polyurea resin is that when the target is about to form a coating, part of the resin penetrates into the target, and part of the resin forms a coating on the target, thereby improving the adhesion of the coating on the target and forming a coating. The invention can be widely used in the production of fiber coating agent, concrete coating waterproofing agent and other products. 2. Background technology [0002] The disadvantage of the traditional method of coating water-soluble resin on the target object is that the water-soluble resin only permeates when the permeable resin is impregnated, and it is difficult to form a coating; while the resin with coating-forming properties is impregnated, the water-soluble resin only...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G18/66C08G18/48C08G18/34C08G18/32C08G18/12
Inventor 吴勇
Owner 吴勇