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Water base casting coating material powder for concave convex rod

A technology for casting coatings and production methods, applied in casting molding equipment, coatings, molds, etc., can solve the problem of reducing the suspension of magnesium alloy metal mold casting coatings

Inactive Publication Date: 2008-01-30
蒋文兰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the above invention, the use of unmodified attapulgite clay and palygorskite clay as the main raw materials of the suspending agent will reduce the suspending property of "magnesium alloy metal mold casting coating"

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Below in conjunction with embodiment, the present invention will be further described:

[0022] 1. The ingredients of water-based attapulgite casting coating powder include the following components by weight percentage: modified attapulgite clay 70%, high alumina bauxite 14%, graphite 9%, magnesium oxide 3%, silicic acid Sodium 3% and Sodium Carboxymethylcellulose 1%.

[0023] 2. The production method of water-based attapulgite casting coating powder is:

[0024] First, after mixing the attapulgite clay and sodium carbonate according to the requirements of the ingredients, they are jointly input into the soaking tank and add water for sodium treatment. The sodium treatment time is controlled at 48 hours; the attapulgite clay after sodium treatment is input into the extruder Extruded, and pressed into flakes by a counter-roller machine, the thickness of the flakes is controlled at 0.5-1.5 mm, and the flakes are transported to the cement drying yard for drying, and the f...

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PUM

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Abstract

The present invention discloses one kind of water base attapulgite casting paint powder, which is prepared with sodide modified attapulgite, high alumina bauxite, graphite, magnesia, sodium silicate and carboxymethylcellulose sodium in certain weight proportion, and through mixing, grinding in mill and packing. In production site of foundry, the water base attapulgite casting paint powder and water are compounded to form the casting paint with high suspension rate, good brushing performance, high surface smoothness, no precipitate, no caking, good flowability, high sand adhesion resistance and high stability.

Description

Technical field: [0001] The invention relates to casting paint, in particular to a production method of water-based attapulgite casting paint powder. Background technique: [0002] Water-based casting coatings have the characteristics of high production efficiency, low price and wide application range, and have been widely used in my country's foundry production. Water-based casting coatings are prone to precipitation during long-term storage and transportation, followed by coating brush marks Seriously, it will affect the surface quality of castings. [0003] At present, attapulgite clay or bentonite are mostly used as suspending agents in water-based casting coatings. The attapulgite clay or bentonite available in the market is the product of direct grinding of raw ore. Since there is no modification treatment, it will directly affect the attapulgite clay or bentonite. dispersion suspension and stability. [0004] Chinese patent authorization announcement number CN1164385...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C3/00
Inventor 袁长兵谷文书许庆华
Owner 蒋文兰