Manufacturing method of concrete artware with ceramic texture on surface

A production method and concrete technology, which are used in ceramic molding machines, decorative arts, manufacturing tools, etc., can solve the problems of color difference, affecting the texture of ultra-high-performance concrete handicrafts, and insufficient gloss on the surface of handicrafts. Unique, low-cost effects

Inactive Publication Date: 2019-08-23
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, ultra-high-performance concrete handicrafts are usually formed by silica gel molds. The surface gloss of handicrafts is not enough, and there are often problems such as color difference, which also directly affects the texture of ultra-high-performance concrete handicrafts. It is urgent to develop a preparation process for products with high gloss.

Method used

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  • Manufacturing method of concrete artware with ceramic texture on surface
  • Manufacturing method of concrete artware with ceramic texture on surface

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for making concrete crafts with ceramic texture on the surface, including the following steps:

[0028] (1) Using a blow molding process to blow polyethylene plastic into the inside of a silicone mold, a layer of plastic with a thickness of 0.5 mm is formed on the inner surface of the mold to obtain a mold for molding;

[0029] (2) Stir the ultra-high performance concrete into a slurry with a fluidity of 350mm to obtain the slurry used for molding;

[0030] (3) Add the slurry used in step (2) to the mold used in step (1) for molding, leave it to stand for 6 hours after molding, and then perform dry heat curing with a mold (the time for dry heat curing is 16h, the curing temperature is 50℃), and finally the mold can be removed.

[0031] The high-performance concrete used in Example 1 is composed of cementitious material, fine quartz sand, water reducing agent, defoamer and water, the water-binder ratio is 0.16, and the amount of defoamer is 0.2% of the mass of the cemen...

Embodiment 2

[0035] A method for making concrete crafts with ceramic texture on the surface, including the following steps:

[0036] (1) Use the blow molding process to blow polypropylene plastic into the gypsum mold to form a layer of plastic with a thickness of 0.3 mm on the inner surface of the mold to obtain a mold for molding;

[0037] (2) Stir the ultra-high performance concrete into a slurry with a fluidity of 370mm to obtain the slurry used for molding;

[0038] (3) Add the slurry used in step (2) to the mold used in step (1) for molding, leave it to stand for 8 hours after molding, and then perform dry heat curing with a mold (the time for dry heat curing is 24h, the curing temperature is 40℃), and finally the mold can be removed.

[0039] The high-performance concrete used in Example 2 is composed of cementitious material, fine quartz sand, water reducing agent, defoamer and water, the water-binder ratio is 0.20, and the amount of defoamer is 0.05% of the mass of the cementitious materia...

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Abstract

The invention discloses a manufacturing method of a concrete artware with a ceramic texture on a surface. The method comprises the following steps of adopting a blow molding process for blowing thermoplastic plastic into a mold, forming a layer of plastic on the inner surface of the mold, and obtaining a mold used for forming; stirring ultra-high-performance concrete into a slurry, and obtaining aslurry used for forming, wherein the flowability of the slurry is not lower than 300mm; and adding the slurry into the mold for forming, standing after forming, then dry-heating and curing a belt mold, and finally demolding. The surface of the product prepared by the invention has the glossy appearance just like ceramic and the fine and smooth tactility; and in addition, the manufacturing processis simple, the manufacturing cost is low, and industrial production can be carried out conveniently.

Description

Technical field [0001] The invention relates to the field of the preparation of concrete crafts, in particular to a method for making concrete crafts with ceramic texture on the surface. Background technique [0002] Because of its unique texture, concrete crafts are becoming more and more popular. However, ordinary concrete has lower strength and is easier to damage. Ultra-high performance concrete is a new type of concrete material with ultra-high durability and ultra-high strength. It is very suitable for making souvenirs, sculptures and other handicrafts in terms of material characteristics. At present, ultra-high-performance concrete crafts are usually formed by silicone molds, and the surface gloss of the crafts is not enough, and there are often problems such as color difference, which directly affects the texture of the ultra-high-performance concrete crafts, and there is an urgent need to develop a preparation process for products with high gloss. . Summary of the inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B44C3/04B28B7/34B28B1/14B28B1/52C04B28/04
CPCB28B1/14B28B1/525B28B7/344B28B7/346B28B7/348B44C3/046C04B28/04C04B18/146C04B18/142C04B14/06C04B24/42C04B24/24
Inventor 杨医博陈英强周文鎏庞振浩梁锐龚安琪唐家文张学华
Owner SOUTH CHINA UNIV OF TECH
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