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What is PLA composite?

PLA composite is a combination of PLA with natural fibers by compression molding, extrusion, injection molding, filament winding, resin transfer method, vacuum infusion method. 
Composite materials have received much attention due to their versatile properties, which allow many applications in a huge number of fields. Composite materials are made up of two or more materials with considerably different physical and chemical properties. When combined, they make a material with properties that are different from the individual components. They are composed of a rigid phase, so-called matrix and the reinforcement, which is a strong load-carrying material. The strength and stiffness to support the structural load are provided by the reinforcement. The major benefits of the composite materials, when compared with conventional bulk materials, are their stiffness and strength relative to their typically low weight. These materials find applications in various industries like aerospace, automotive, sports, furniture, medical and packaging industries. Various types of composite materials are developed with polymer matrix composites due to the flexibility, cost and ease of fabrication. Synthetic polymers are used in the production of these composites and are obtained from petroleum resources. The main limitation of these polymers is their non-biodegradability, which increases the amount of material that ends up in the landfills causing pollution. The strict regulations from the government authorities also limit the use of traditional composite materials. These are usually made of glass, carbon or aramid fibers reinforced with epoxy, unsaturated polyester resins and polyurethanes. During recent decades, the scientific community has been looking towards sustainable materials to reduce its impact on the environment. Therefore, there has been a constant interest in the development of green composites. The composites materials prepared by reinforcing biopolymers with natural fibers are referred to as Green Composites. Coir, flax, sisal, hemp and so forth are examples of natural fibers, while starch and PLA are examples of biopolymers used for the preparation of Green Composites. The development of the first green composites dates to the late 1980s. They are not only eco-friendly but also have a cost comparable to conventional composites.

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