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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

Inactive Publication Date: 2005-08-10
陈舜荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 3. After the resin is mixed with the curing agent, it should have an appropriate pouring period. If the pouring period is too short, the molding operation will be difficult; if it is too long, the time from curing to demoulding will be too long, and the productivity will not be high;
[0010] Therefore, there are not only the shortcomings of inconvenient construction process control and affecting the quality of product molding, but also the high cost of epoxy resin, and because epoxy resin is a solvent-based compound that contains a variety of volatile components that are harmful to the human body, even after the product is formed , there is also a residual amount, for example: if the curing agent fatty amine has a certain stimulating effect on the skin, its vapor is very toxic

Method used

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  • Light composite base material board and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1: Composite adhesive preparation

[0040] Prepare composite adhesive: heat 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) to 60°C under normal pressure, and add while stirring 25 parts of polyvinyl acetate emulsion, stir evenly.

Embodiment 2

[0041] Embodiment 2: Manufacture of lightweight composite substrate board

[0042] A. Prepare composite adhesive: Heat 20 parts of No. 1807 glue by volume to 60°C under normal pressure, add 5 parts of polyvinyl acetate emulsion while stirring, and stir evenly;

[0043] B. Filler preparation: 30 parts by volume of cement, 75 parts of chaff and 55 parts of sawdust are fully stirred evenly;

[0044] C. Raw material preparation: the prepared filler and the prepared composite adhesive are fully stirred evenly,

[0045] D. Substrate molding: The prepared raw materials are put into the molding mold, flattened, slightly shaken, and compacted;

[0046] E. Mold removal and maintenance: Under normal pressure and temperature, let it stand for 2 days, remove the mold, trim the edge, and naturally maintain it for 10 days.

Embodiment 3

[0047] Embodiment 3: the manufacture of lightweight composite wallboard

[0048] A. Prepare composite adhesive: Heat 20 parts of No. 1807 glue by volume to 60°C under normal pressure, add 5 parts of polyvinyl acetate emulsion while stirring, and stir evenly;

[0049] B. Filler preparation: 30 parts by volume of cement, 75 parts of chaff and 55 parts of sawdust are fully stirred evenly;

[0050] C. Raw material preparation: the prepared filler and the prepared composite adhesive are fully stirred evenly,

[0051] D. Substrate molding: Before the raw materials are placed, pre-set reinforcing ribs in the forming mold. The reinforcing ribs are made of wood chips, and the prepared raw materials are placed in the forming mold, flattened, slightly shaken, and compacted;

[0052] E. Mold removal and maintenance: Under normal pressure and temperature, let it stand for 2 days, remove the mold, trim the edge, and naturally maintain it for 10 days.

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Abstract

The present invention relates to a light composite base material plate and it sproduction method. It includes base material layer, and the raw material composition of said base material layer includes (by volume portion) 25-45 portions of cement, 70-80 portions of rice husk, 30-60 portions of saw dust or fibrous debris and 20-30 portions of compound adhesive which is prepared by using (by volume portion) 100 portions of building glue and 15-30 portions of polyvinyl acetate emulsion. Said invention also provides its several advantages, and said product can be used as furniture plate, decorative ceiling plate, wall-enclosure plate and building form, etc.

Description

technical field [0001] The invention relates to a light-weight composite substrate board made by using waste materials such as chaff, sawdust or fibrous debris, cement and adhesive and a manufacturing method thereof. Background technique [0002] Chinese invention patent application 98100281.1 discloses a lightweight partition board, the main support of the partition board is a bamboo fence, and the fabric composition is: cement, quicklime, river sand, epoxy resin, sawdust or chaff and water, The filler composition is: cement, quicklime, sawdust or chaff and water. Among them, the role of cement is to bond, so that the product has strength; the role of quicklime is to neutralize, modify, and gel; river sand is strengthened under the action of cement and has a neutralizing effect; The function is to fill, reduce weight and increase the flexibility of the product; the binder is epoxy resin, and its function is to increase coagulation and strengthen. Epoxy resin refers to the...

Claims

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Application Information

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IPC IPC(8): B28B1/00B28B11/24C04B26/00C04B28/00E04C2/26
Inventor 陈舜荣陈静如
Owner 陈舜荣
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