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Alcohoh base casting coating material powder for concave convex rod

A technology of casting paint and attapulgite, which is applied to casting molding equipment, coatings, casting molds, etc., can solve the problem of reducing the suspension of "magnesium alloy metal mold casting paint"

Inactive Publication Date: 2007-02-14
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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Embodiment Construction

[0022] Below in conjunction with embodiment, the present invention will be further described:

[0023] 1. The ingredients of alcohol-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 Macrogol 1%.

[0024] 2. The production method of alcohol-based attapulgite casting coating powder is:

[0025] 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 flakes after dryin...

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Abstract

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

Description

Technical field: [0001] The invention relates to casting coatings, in particular to an alcohol-based attapulgite casting coating powder. Background technique: [0002] Alcohol-based casting coatings have the characteristics of high production efficiency and wide application range, and have begun to be applied in foundry production in my country. Alcohol-based casting coatings have poor dispersion, suspension and stability, and are prone to precipitation during long-term storage and transportation, which will affect castings. surface quality. [0003] Currently, attapulgite clay or bentonite are mostly used as suspending agents in alcohol-based casting coatings. The attapulgite clay or bentonite available in the market is the product of direct grinding of raw ore. Since no modification treatment is carried out, the attapulgite clay or bentonite will be directly affected. dispersion suspension and stability. [0004] Chinese patent authorization announcement number CN1164385,...

Claims

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Application Information

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IPC IPC(8): B22C3/00
Inventor 谷文书邱学荣袁长兵许庆华
Owner 蒋文兰
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