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Production method of alcohoh 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: 2008-04-02
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] In the following, the present invention will be further described in conjunction with the embodiments:

[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 polyethylene glycol 1%.

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

[0025] First, the attapulgite clay and sodium carbonate are mixed according to the requirements of the ingredients, and then they are jointly input into the soaking tank to add water for sodiumization treatment, and the sodiumization treatment time is controlled at 48 hours; the sodiumized attapulgite clay is input into the extruder Squeeze and press it into a sheet through a roller machine. The thickness of the sheet is controlled to be 0.5 to 1.5 mm. The sheet is transported to the cement drying yard for airin...

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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 a casting coating, in particular to a production method of 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. They have begun to be used in my country's casting production. Alcohol-based casting coatings have poor dispersion and suspension and stability, and are easy to precipitate during long-term storage and transportation, which affects castings. The surface quality. [0003] At present, most of the suspending agents of alcohol-based casting coatings are attapulgite clay or bentonite. The attapulgite clay or bentonite available on the market is directly ground with raw ore. Since it is not modified, it directly affects the attapulgite clay or bentonite. The dispersion and suspension and stability. [0004] Chinese Patent Authorization Announcement No. CN1164385, the date of authorizat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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