The main components of biodegradable non-woven fabric

Biodegradable non-woven fabric is a kind of non-woven fabric material that can decompose in the natural environment. Compared with traditional plastic products, it has better environmental friendliness. The main components of biodegradable non-wovens include bio-based polymers and plant fibers.

Bio-based polymers are one of the core components of biodegradable non-woven fabrics. Bio-based polymers are high-molecular materials derived from renewable resources, which have good biodegradability and biocompatibility. Common bio-based polymers include polylactic acid (PLA) and polyhydroxy fatty acid ester (PHA). Polylactic acid is a high-molecular material obtained by polymerization of lactic acid monomers, which has good biodegradability and bio-compatibility and can decompose into carbon dioxide and water in the natural environment. Polyhydroxy fatty acid ester is a high-molecular material synthesized by microbial fermentation, which has good biodegrability and bio-compatibility and can be degraded into carbon dioxide and water by microorganisms in the natural environment.

Plant fiber is another major component of biodegradable nonwoven fabric. Plant fiber is a cellulose material extracted or processed from natural plants, which has good biodegradability and biocompatibility. Common plant fibers include cotton fiber, flax fiber, hemp fiber, etc. Cotton fiber is a cellulose material extracted from cotton, which has good moisture absorption and breathability, is friendly to the skin, and can quickly decompose into carbon dioxide and water in the natural environment. Flax fiber and hemp fiber are cellulose materials extracted from flax and hemp plants, which have good strength and durability, and can quickly decompose into harmless substances in the natural environment.

In addition to biobased polymers and plant fibers, biodegradable nonwovens also contain some other auxiliary components. These auxiliary components can improve the processing performance and performance stability of the material. Common auxiliary components include plasticizers, stabilizers, fillers, etc. Plasticizers can increase the flexibility and elongation of the material, improving the processability of the material. Stabilizers can extend the service life of the material. Fillers can increase the hardness and strength of the material, improving the mechanical properties of the material.

The choice of components of biodegradable non-woven fabric mainly depends on the application environment and requirements of the material. Different application environments and requirements require different combinations of components. For example, in the agricultural field, biodegradable non-Woven fabric can be used as a substrate for plant cultivation, which helps to improve soil water retention ability and fertilizer utilization rate. At this time, the main components can be biobased polymers and plant fibers. In the medical field, biodegradable non-woven fabric can be used for medical dressings, drug packaging, etc. At this time, the main component can be biobased polymers or plant fibers to ensure the biocompatibility and biodegradability of the material.

In summary, the main components of biodegradable non-woven fabric include bio-based polymers, plant fibers, and auxiliary components. Bio-based polymers have good biodegradability and biocompatibility, and can decompose into harmless substances in the natural environment. Plant fibers have good biodegradability, biocompatibility, and decompose quickly into carbon dioxide and water. Auxiliary components can improve the processing performance and performance stability of the material. Different application environments and requirements require different component combinations to meet the performance requirements of the material.