Low-temperature type wood-plastic floor and preparation technology thereof
A technology of wood-plastic floor and preparation process, which is applied in the direction of architecture, building structure, floor, etc.
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Embodiment 1
[0033] Take the following raw materials by weight
[0034]
[0035] The specific preparation is carried out according to the following steps:
[0036] High-speed mixing and dehumidification process:
[0037] The various materials in the above formula are put into a high-speed mixer with a rotating speed of 650-1300RPM and mixed, the mixing time is 10-20 minutes, the dehumidification temperature is 140°C, and the dehumidification time is 10 minutes;
[0038] Granulation mixing process:
[0039] A 75-type co-rotating parallel twin-screw granulator was used, the granulation temperature was controlled at 120-210 degrees Celsius, and the current was 140-150 amperes.
[0040] Die extrusion molding process:
[0041] Use 65 or 90 type conical twin-screw profile extruder, the temperature is 120-200 ℃, the temperature of each section of the main screw is 120, 130, 140, 150, 170, 180 degrees, and the temperature of the confluence core and die is 180 °, the screw speed is 18 rpm, a...
Embodiment 2
[0044]
[0045] The specific preparation method is the same as that in Example 1.
[0046] The (-34°C to 60°C) linear expansion coefficients and mechanical properties of Examples 1 and 2 are as follows
[0047]
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