Composite forming carpet and its producing method
A composite molding and carpet technology, applied in the direction of carpets, etc., can solve the problems of large changes in the edge and corner of the profile, the escape of harmful gases, affecting human health, etc., and achieve excellent impact resistance, easy selection, good wipeability and waterproof performance. Effect
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[0028] (A) The specific composition of composite molding carpet is as follows:
[0029] The fabric layer of the composite carpet sheet is selected as a polystyrene copolymer formed by graft polymerization of styrene monomer and styrene-butadiene rubber. The melt index of the polymer particles is 15, and the weight ratio of styrene to rubber is 85:15. The base material layer is a needle-punched non-woven fabric mixed with polyester fibers and low-melting-point fibers, wherein the weight ratio of polyester fibers and low-melting-point fibers is 70:30, and the surface density of the needle-punched non-woven fabric is 250 g / m2. 250 needles / square centimeter.
[0030] (B) The concrete steps of above-mentioned composite molded carpet manufacture are as follows:
[0031] (1) Add the polymer particles of the fabric layer into the screw extruder with the nozzle of the required composite width, melt at a temperature of 220°C, and extrude the melt into a film with a surface density of 1...
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