High-strength copolymerized hydrogel based on acrylamide glycinamide and preparation method thereof

An acrylamido glycinamide, high-strength technology, applied in the field of intelligent polymer hydrogel preparation, can solve the problem of less hydrogel

Inactive Publication Date: 2020-06-12
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, some scholars have prepared hydrogels through the interaction between ions, but there are very few hydrogels prepared by this method.

Method used

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  • High-strength copolymerized hydrogel based on acrylamide glycinamide and preparation method thereof
  • High-strength copolymerized hydrogel based on acrylamide glycinamide and preparation method thereof
  • High-strength copolymerized hydrogel based on acrylamide glycinamide and preparation method thereof

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Experimental program
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Embodiment Construction

[0019] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.

[0020] P(NAGA-co-VDT) hydrogel was prepared by radical polymerization with acrylamidoglycinamide (NAGA) and 2,4-diamino-6-vinyltriazine (VDT). Its molecular structure is as follows:

[0021]

[0022] It can be seen that in P(NAGA-co-VDT) hydrogel, double hydrogen bonds can be formed between NAGA components, between VDT ​​components and between NAGA and VDT components. Therefore, a large number of double hydrogen bonds can be formed between polymer molecular chains, and a large number of physical crosslinks between molecules can form a supramolecular structure, which can significantly enhance the mechanical properties of the material. During preparation, an oil phase such as DMSO is usually selected to fully dissolve VDT and NAGA monomers.

[0023]

[0024] Table 1 The ratio and proportion of each component of P(NAGA-co-VDT) gel

[0025] T...

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Abstract

The invention discloses a high-strength copolymer hydrogel based on acryloylaminoglycinamide, and a preparation method thereof. The high-strength copolymer hydrogel based on acryloylaminoglycinamide is prepared through free radical polymerization of acryloylaminoglycinamide and 2,4-diamino-6-vinyltriazine monomers, and dihydrogen bonds are formed between acrylamido-glycinamido groups, between 2,4-diamino-6-vinyltriazinyl groups and between the acrylamido-glycinamido group and the 2,4-diamino-6-vinyltriazinyl group on the side chains of the molecules of the copolyme hydrogel. The method has theadvantages of simplicity in operation, and easiness in preparation, and allows the hydrogel to have the advantages of pH response, high strength, high stability and the like.

Description

technical field [0001] The invention belongs to the field of intelligent polymer hydrogel preparation, and in particular relates to a high-strength copolymerization hydrogel based on acrylamide glycinamide and a preparation method thereof. Background technique [0002] Polymer hydrogel is composed of network cross-linked polymer molecular chains, contains a large amount of water, has good biocompatibility, and is widely used in biomedicine, microscopic controllers, industrial and agricultural production and other fields. [0003] According to the stimulus responsiveness to the external environment, it can be divided into traditional hydrogels and smart hydrogels. Traditional hydrogels have the disadvantages of almost no response to external stimuli (temperature, pH, light, magnetism, etc.), poor mechanical properties, and poor biocompatibility. The smart hydrogel can respond to external environmental stimuli and change in volume and performance. Thermosensitive hydrogels c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F222/38C08F226/06
CPCC08F222/38C08F226/06
Inventor 刘文广王庆
Owner TIANJIN UNIV
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