期刊
GELS
卷 8, 期 9, 页码 -出版社
MDPI
DOI: 10.3390/gels8090568
关键词
natural-based hydrogel; cellulose-based hydrogel; CMCNa-based hydrogel; synthetic crosslinking agent; natural crosslinking agent
资金
- Universitas Sumatera Utara through World Class University Program [13302/UN5.1.R/PPM/2021]
Hydrogels are polymer materials that can swell but are insoluble in water. The three-dimensional structure of hydrogels affects their properties. Hydrogels synthesized with natural polymers have better biocompatibility, while those with synthetic polymers have adjustable mechanical properties.
Hydrogels are hydrophilic polymer materials that can swell but are insoluble in water. Hydrogels can be synthesized with synthetic or natural polymers, but natural polymers are preferred because they are similar to natural tissues, which can absorb a high water content, are biocompatible, and are biodegradable. The three-dimensional structure of the hydrogel affects its water insolubility and ability to maintain its shape. Cellulose hydrogels are preferred over other polymers because they are highly biocompatible, easily accessible, and affordable. Carboxymethyl cellulose sodium (CMCNa) is an example of a water-soluble cellulose derivative that can be synthesized using natural materials. A crosslinking agent is used to strengthen the properties of the hydrogel. Chemical crosslinking agent is used more often than physical crosslinking agent. In this review, article, different types of crosslinking agents are discussed based on synthetic and natural crosslinking agents. Hydrogels that utilize synthetic crosslinking agent have advantages, such as adjustable mechanical properties and easy control of the chemical composition. However, hydrogels that use natural crosslinking agent have better biocompatibility and less latent toxic effect.
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