Multifunction formboard

A multi-functional, formwork technology, applied in the fields of formwork/formwork components, on-site preparation of building components, sustainable waste disposal, etc., it can solve the problems of pan-frost, moisture absorption, etc., and achieve increased reuse rate and wide range of uses. , Good nail grip effect

Inactive Publication Date: 2007-11-14
蔡祖树
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Compared with ordinary portland cement products, magnesite products have the characteristics of light specific gravity, good elasticity and secondary processing, but they also have the disadvantages of moisture absorption and pan "frost".

Method used

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Embodiment Construction

[0017] Next, specific embodiments of the present invention will be introduced.

[0018] The plate is a layered symmetrical structure, the center of which is the central structural layer (1), and the forming layer (2) and the reinforcing layer (3) are respectively symmetrically distributed above and below the central structural layer (1), and the central structural layer (1) According to the weight of the layer, the raw material formula includes 17-22% of magnesium oxide, 8-12% of magnesium chloride, 18-22% of fly ash, 25-35% of sawdust or straw chips, 10-15% of water, and 0.5-15% of additives. 1%, 2% to 4% resin, the material of the forming layer (2) is glass fiber mesh cloth, the raw material formula of the reinforcing layer (3) by weight of the layer includes 28% to 35% of magnesium oxide, 15% to 25% of magnesium chloride, Calcium carbonate powder 20-25%, water 15-20%, additives 0.5-1%, resin 2-4%.

[0019] In addition: the waterproof layer (4) and the anti-friction layer (...

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Abstract

The invention is layered symmetric structure, the center of which is a center layer (1), forming layer (2), strengthening layer (3), waterproof layer (4) and wear-resistant layer (5) are respectively distributed symmetric above and under the center of the structure (1) , the modified magnesite and composite materials have conspicuous advantages: (1) good mechanical properties, and high compressive resistance, high flexural strength, not easy to deform, which is conducive to enhancing life; (2) waterproof performance is particularly conspicuous. Blisters are not afraid of flooding, improving the utilization rate of repeat; (3) It increases the ability of wear-resisting, the surface can be maintained for a long time in the formation and thus concrete structures on the surface cleanliness; (4) It is easy to grip nails, small density, light weight, easy to construction; (5) It is formaldehyde-free, non-radioactive, environmental safety; (6) and it has a wide range of uses, in addition to concrete formwork for the construction, production of building blocks can be used, as other pad, parapet panels, decorative plates, etc.

Description

technical field [0001] The invention relates to a composite man-made plate, which is widely used in building concrete formwork, supporting plates for building block production, other backing plates, guardrail plates, decorative plates and the like. Background technique [0002] 1. The cast-in-place concrete formwork is a large amount of construction material used in the production of concrete components. According to statistics, every 1m 3 The amount of formwork for building concrete components (columns, beams, slabs, etc.) is as high as 4 to 5m 2 , its cost accounts for 30-35% of the cost of concrete components. The traditional formwork is made of wood. In the past ten years, bamboo plywood and steel plates have been mostly used. They have their own characteristics: wooden boards are easy to install and light, but are short of resources, easy to swell and deform when absorbing water, low reuse rate, and poor surface quality of components; bamboo plywood is resistant to be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G9/02C04B28/32C04B18/24C04B18/08C04B14/28C04B30/02E04C2/02
CPCC04B2111/27C04B28/32C04B2111/30C04B2111/00612C04B2111/343C04B2111/00336Y02W30/91C04B14/28C04B24/24C04B2103/65C04B18/08C04B18/26C04B18/24
Inventor 蔡祖树
Owner 蔡祖树
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