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Abstract

A composite material developed for manufacturing thermoformed products has applications in furniture making, automotive industry, etc. The composite material for thermoforming is made of a thermoplastic fibrous component consisting of 4-60 mm long and 7-16 DEN polypropylene fibers representing 40% to 50% of the total material weight, and a plant fiber component which can be hemp, jute, sisal, coconut, etc., or a mix of natural fibers which is 70-80 DEN and 5 to 100 mm in length and represents 60% to 50% of the total material weight. Manufacturing the composite material comprises proportioning the components, followed by mixing and coarse defibering, then fine mixing in a four-chamber module which also opens the natural fibers to 70-80 DEN, followed by the consolidation of the fibers and rolling of the resulting fabric in a roll. The machinery for manufacturing the composite material has a modular structure, comprising two modules (1 and 2) for feeding the components, two modules (3 and 4) for weighing and proportioning the components, a primary mixing and coarse defibering module (5), a module (7) for fine mixing and fiber opening, an interlacing module (8), and a module (9) for pulling and rolling the final fabric.

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First Claim