Light composite base material board and its manufacturing method
A composite base material and manufacturing method technology, applied in the direction of manufacturing tools, building materials, ceramic molding machines, etc., can solve the problems of low productivity, stimulation, and long demoulding time, and achieve easy implementation, high strength, and use Wide range of effects
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[0039] Example 1: Compound adhesive preparation
[0040] Preparation of composite adhesive: 100 parts by volume of No. 1807 glue (produced by Guangdong Jinwande Adhesive Products Co., Ltd., water-soluble, formaldehyde-free, environmentally friendly, the same below), heating to 60℃ under normal pressure, and adding while stirring Stir 25 parts of polyvinyl acetate emulsion evenly.
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[0041] Example 2: Manufacturing of lightweight composite substrate board
[0042] A. Preparation of composite adhesive: heat 20 parts by volume of No. 1807 glue to 60°C under normal pressure, add 5 parts of polyvinyl acetate emulsion while stirring, and stir evenly;
[0043] B. Filler preparation: Mix 30 parts of cement, 75 parts of chaff and 55 parts of sawdust by volume.
[0044] C. Preparation of raw materials: the prepared filler and the prepared composite adhesive are fully stirred evenly,
[0045] D. Substrate molding: the prepared raw materials are placed in the molding mold, flattened, slightly shaken, and compacted;
[0046] E. Demoulding and curing: Under normal pressure and temperature, let it stand for 2 days, demoulding, trimming, and natural curing for 10 days.
Example Embodiment
[0047] Example 3: Manufacturing of lightweight composite wallboard
[0048] A. Preparation of composite adhesive: heat 20 parts by volume of No. 1807 glue to 60°C under normal pressure, add 5 parts of polyvinyl acetate emulsion while stirring, and stir evenly;
[0049] B. Filler preparation: Mix 30 parts of cement, 75 parts of chaff and 55 parts of sawdust by volume.
[0050] C. Preparation of raw materials: the prepared filler and the prepared composite adhesive are fully stirred evenly,
[0051] D. Forming of the base material: Before the raw material is placed, the reinforcement ribs are pre-set in the forming mold. The reinforcement ribs are made of wood chips, and the prepared raw materials are placed in the forming mold, flattened, slightly shaken, and compacted;
[0052] E. Demoulding and curing: Under normal pressure and temperature, let it stand for 2 days, demoulding, trimming, and natural curing for 10 days.
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