Insulation sound-absorbing decorative plate and preparation method thereof
A decorative board and substrate technology, applied in the field of thermal insulation and sound-absorbing decorative boards and their preparation, can solve problems such as lack of thermal insulation and sound absorption, cement sand is not environmentally friendly, and unfavorable to human health, and achieve good thermal insulation effects, eliminate light pollution, and easily The effect of cleaning and maintenance
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[0041] Example 1
[0042] The PP fiber and glass fiber are mixed, and the mixing ratio is 30% according to the weight percentage of the PP fiber, and the rest is glass fiber; the air-laid method is used to make the PP fiber and glass fiber into a sheet under the condition of 150~180℃. Form the original substrate, the thickness is 10mm; the production speed when airlaid is 3m / min;
[0043] Using PET non-woven fabric as the bottom layer, one side of the original substrate and the bottom layer are pressed together with a pressing machine at a temperature of 180~220℃ to form a double-layer board composed of the substrate and the bottom layer; the pressing pressure is 8 Bar;
[0044] Perform corona treatment on the substrate surface of the double-layer board until the surface tension of the substrate surface of the double-layer board is 38 dyne, then preheat to 40°C, and then coat a layer of PUR glue on the surface of the double-layer board;
[0045] Using PVC film as the surface layer, th...
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[0049] Example 2
[0050] The method is the same as in Example 1, the difference is:
[0051] (1) The mixing ratio of PP fiber and glass fiber is 40% by weight of PP fiber, and the rest is glass fiber; the original substrate is a 9mm thick coil; the production speed when airlaid is 2m / min;
[0052] (2) Use PP non-woven fabric as the bottom layer; the pressing pressure of the plate press is 5Bar;
[0053] (3) Perform corona treatment on the substrate surface of the double-layer board until the surface tension of the substrate surface of the double-layer board is 39 dyne, and then preheat to 50°C;
[0054] The weight of the bottom layer of the prepared thermal insulation sound-absorbing decorative board is 60g / ㎡ and the thickness is 0.28mm; the weight of the substrate is 1000g / ㎡ and the thickness is 3.5mm; the weight of the PP surface layer is 170g / ㎡ and the thickness is 0.18mm;
[0055] The thermal conductivity of the thermal insulation and sound-absorbing decorative board is 0.052W / (m·k)...
Example Embodiment
[0056] Example 3
[0057] The method is the same as in Example 1, the difference is:
[0058] (1) The mixing ratio of PP fiber and glass fiber is 50% according to the weight percentage of PP fiber, and the rest is glass fiber; the original substrate is 8mm thick; the production speed during airlaid is 3m / min;
[0059] (2) The pressing pressure of the plate press is 1Bar;
[0060] (3) Perform corona treatment on the substrate surface of the double-layer board until the surface tension of the substrate surface of the double-layer board is 40 dyne, and then preheat to 20~60℃;
[0061] The weight of the bottom layer of the prepared thermal insulation and sound-absorbing decorative board is 70g / ㎡ and the thickness is 0.31mm; the weight of the substrate is 1500g / ㎡ and the thickness is 5mm; the weight of the surface layer is 120g / ㎡ and the thickness is 0.13mm;
[0062] The thermal conductivity of the thermal insulation and sound-absorbing decorative board is 0.057W / (m·k); the sound-absorbing an...
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