Self-adhesion wide foamed carpet-type floor membrane and preparation method thereof
A carpet-type, floor membrane technology, applied in the field of building decoration materials, can solve the problems of narrow floor membrane width, no self-adhesive cost, etc., and achieve the effects of high authenticity rate, extended service life, and strong flexibility
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Embodiment 1
[0046] (1) Put the raw material PVC resin powder, azodicarbonamide (AC), calcium-zinc composite stabilizer, and dioctyl phthalate (DOP) into a high-speed mixer and mix evenly for 20 minutes until the solid particles are mixed evenly Finally, add plasticizer and other liquid additives, and mix for 20 minutes until the plasticizer and other liquid additives are all absorbed by solid particles;
[0047] (2) Place the homogeneously mixed raw materials in the above step (1) to dry in a dryer at a temperature of 80°C, and promote resin mixing while drying until the water is completely volatilized;
[0048] (3) Put the uniformly mixed and fully dried raw materials in the above step (2) into a screw extruder to melt and extrude, the screw speed is 15r / min, and the temperature of each zone of the screw is 150-180°C;
[0049] (4) Press the PVC resin mixture extruded in the above step (3) and the needle felt through a 4.5m roller machine and a laminating machine for 20s, and the pressing...
Embodiment 2
[0053] Compared with Example 1, the mixing time of raw material PVC resin powder, azodicarbonamide (AC), calcium-zinc composite stabilizer, dioctyl phthalate (DOP) in the first step becomes 15min, other Conditions remain the same.
Embodiment 3
[0055] Compared with Example 1, the mixing time of PVC resin powder, azodicarbonamide (AC), calcium-zinc composite stabilizer, dioctyl phthalate (DOP) in the first step becomes 15min, other conditions constant.
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