.Polylactic acid fiber is a fully biodegradable synthetic fiber, which can be obtained from corn. Its products can be decomposed into carbon dioxide and water in soil or sea water after being discarded by microorganisms, and will not emit toxic gas and cause pollution when burning. It is an ecological fiber with sustainable development.
Characteristics of polylactic acid fiber
1, Environment low load type high functionality
Generally, high functional chemical fiber is added with various additives (antibacterial agent, weather resistant agent, fire retardant, flame retardant, etc.) in its manufacturing process. In addition to increasing costs, most of the additives are harmful to people and the natural environment; The raw material of polylactic acid fiber is derived from plants. In addition to being completely biodegradable environmental low-load material, it does not add any additives. Polylactic acid fiber is regarded as a high-performance fiber with intelligent functional literacy.
2, Antibacterial (bacteriostatic)
Poly (lactic acid) fiber contains very small amounts of lactic acid or oligomers, which have bacteriostatic effect. Because the extremely small amount of lactic acid in the material leaches part of the material surface, the material surface and human skin are also kept weak alkaline, preventing the attachment and propagation of bacteria, mold and other microorganisms. Generally, compared with ordinary plastics, biodegradable plastics are prone to epiphyte by microorganisms such as bacteria and molds, with the exception of polylactic acid, which is suitable for safety and health as sanitary materials, food and medical materials or agricultural, forestry and horticultural materials.
3, Fire resistance
Polylactic acid fiber has excellent bulkiness, cushioning, resilience and fatigue resistance. Even in case of fire, it is more difficult to expand than polyester fiber, and the heat of combustion is low, and the amount of gas generated is also small. As bedding and decorative materials for families and vehicles, it can be expected to be applied in fire safety.
4, Light and weather resistance
Polylactic acid fiber is aliphatic polyester. Compared with polyester (PET) fiber of the same kind, it shows excellent light resistance and weather resistance. The polylactic acid fiber is widely used in agriculture and forestry, horticulture, civil engineering, construction and other industries.
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