Preparation method for lightweight wall
A light-weight wall and lignin technology, applied in clay preparation devices, chemical instruments and methods, manufacturing tools, etc., can solve the problems of high board cost, large amount of resin, and low temperature resistance, and achieve simple and fast construction and sound insulation Excellent performance and low thermal conductivity
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[0029] Such as Figure 1 to Figure 3 As shown, the invention provides a kind of preparation method of lightweight wall, comprising:
[0030] Step 1, making boards: mixing stone waste, cement, sand, mica powder and thermosetting phenolic resin powder, wherein the mass ratios of each material in the raw materials are: stone waste 50-80%, cement 10- 20%, sand 1-20%, mica powder 1-20%, thermosetting phenolic resin powder 6-10%, the mixed material is evenly spread in the mold through the distribution system, and the mold and material are pressed by the cold pressing system. The layer is pre-pressed at room temperature, and then the mold is put into a multi-layer hot press to solidify and form, cooled and lowered, the mold is opened, matured, and post-treated to obtain a plate;
[0031] Step 2. Making biomass-based polyurethane rigid foam material: enzymatically hydrolyzing and fermenting the biomass raw material to obtain slag, the main component of which is lignin; drying and pul...
Embodiment 1
[0052] 1) Specific steps of plate process:
[0053] 1), raw materials
[0054] One or more selected and crushed colored stones of 40-200 meshes are used for stone waste, 80kg; ordinary Portland cement P.O 32.5 or white Portland cement P.W 32.5, 10kg are used for cement; sand is washed and dried Fine river sand, 1kg; one or more types of mica powder of various colors from 40 to 200 meshes for mica powder, 1kg; thermosetting phenolic resin powder for resin powder, 8kg.
[0055] 2), mold
[0056] According to the requirements of plates of different specifications, 65Mn carbon steel molds with covers of different specifications are self-made, and all surfaces of the molds are polished and polished. Spread a layer of wheat flake paper or thin kraft paper of appropriate specifications on the mold bottom plate (12mm thick 65Mn carbon steel) before fabricating, and install four detachable mold frames (the mold frame is 15*15mm 65Mn carbon steel square steel, according to Assemble a...
Embodiment 2
[0095] 1) Specific steps of plate process:
[0096] 1), raw materials
[0097] One or more selected and crushed 40-200-mesh colored stones are selected as the stone waste, accounting for 50kg of raw materials;
[0098] The cement is ordinary Portland cement P.O 32.5 or white Portland cement P.W 32.5, 20kg;
[0099] The sand is washed dry fine river sand, 10kg;
[0100] One or more kinds of mica powders of various colors from 40 to 200 meshes are used for mica powder, 10kg;
[0101] Resin powder selects thermosetting phenolic resin powder, 10kg.
[0102] 2), mold
[0103] According to the requirements of plates of different specifications, 65Mn carbon steel molds with covers of different specifications are self-made, and all surfaces of the molds are polished and polished. Spread a layer of wheat flake paper or thin kraft paper of appropriate specifications on the mold bottom plate (12mm thick 65Mn carbon steel) before fabricating, and install four detachable mold frames (...
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