CN1029481C - Coating for plaster mould - Google Patents
Coating for plaster mould Download PDFInfo
- Publication number
- CN1029481C CN1029481C CN 92113950 CN92113950A CN1029481C CN 1029481 C CN1029481 C CN 1029481C CN 92113950 CN92113950 CN 92113950 CN 92113950 A CN92113950 A CN 92113950A CN 1029481 C CN1029481 C CN 1029481C
- Authority
- CN
- China
- Prior art keywords
- coating
- paris white
- resorcinol
- diethylenetriamine
- resins
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The present invention relates to coating for gypsum molds in ceramic industry, which is prepared from resin, a solvent, stuffing, a micropore forming agent and a solidifying agent. The coating is coated on the working surface of a gypsum mold, and thus, the service life of the mold is increased by 3 to 5 times; the water absorption performance of the working surface of the mold is not reduced, the surface of the formed blank bodies is smooth, and the product quality is obviously improved.
Description
The present invention relates to coating for plaster mould in the ceramic industry.
In the ceramic industry, use gypsum mold forming ceramic base substrate usually.The water absorbing properties of this gypsum mold is superior, but deficiency is that its physical strength is low, and wear resisting property and corrosion resistance nature are all relatively poor, have a strong impact on the work-ing life of mould.In view of this, if be coated with a kind of enhancing coating on the working face of gypsum mold, to improve its physical strength and wear-corrosion resistance, this coating does not influence the water absorbing properties of die-face again simultaneously, just can improve the work-ing life of gypsum mold greatly.But up to now, not seeing the coating for plaster mould with above-mentioned performance as yet comes out.
The objective of the invention is, coating for plaster mould in a kind of ceramic industry is provided, it is coated on the working face of gypsum mold, can improve its physical strength and wear resistant corrosion resistant, and the working face of mould still keeps original superior water absorbing properties.
Coating for plaster mould of the present invention is made up of resin, solvent, filler, pore former, solidifying agent, and the major technology characteristics are, described resin is a Resins, epoxy, and solvent is an acetone, and filler is a Paris white, pore former is light ash and Resorcinol, solidifying agent is a diethylenetriamine, fills a prescription to be (weight %) Resins, epoxy 5-20, acetone 40-60, Paris white 20-40, light ash 0.5-4, Resorcinol 0.5-3, diethylenetriamine 1-4.
Optimum formula of the present invention is (weight %) Resins, epoxy 10-15, acetone 45-55, Paris white 26-36, light ash 1-2, Resorcinol 1-2, diethylenetriamine 2-3.
The granularity of above-mentioned Paris white and light ash is: the particle more than 90% is less than 30 microns, and largest particle is no more than 80 microns.
The preparation method of this coating is: after by prescription various raw materials being weighed, with Resins, epoxy and Resorcinol dissolving, add Paris white and light ash with acetone again, add diethylenetriamine before using, can use after stirring.
After coating of the present invention is coated on the gypsum mold working face, can bring up to 600-1000 time its work-ing life, than the life-span of the gypsum mold of coating is not improved 3-5 doubly, and cost improves less than 1 times, after the coating, the water absorbing properties of die-face does not reduce, and the billet surface that molds is brighter and cleaner, and quality product obviously improves.
Embodiment: formulation for coating material is (weight %): Resins, epoxy 14, acetone 53, Paris white 27.5, light ash 1.5, Resorcinol 1.5, diethylenetriamine 2.5.
The preparation method as previously mentioned.
Claims (3)
1, a kind of coating for plaster mould is made up of resin, solvent, filler, pore former, solidifying agent, it is characterized in that:
A, described resin are Resins, epoxy, and solvent is an acetone, and filler is a Paris white, and pore former is light ash and Resorcinol, and solidifying agent is a diethylenetriamine,
The prescription of B, above-mentioned coating is (weight %):
Resins, epoxy: 5-20,
Acetone: 40-60,
Paris white: 20-40,
Light ash: 0.5-4,
Resorcinol: 0.5-3,
Diethylenetriamine: 1-4.
According to the described coating of claim 1, it is characterized in that 2, the prescription of described coating is (weight %):
Resins, epoxy: 10-15,
Acetone: 45-55,
Paris white: 26-36,
Light ash: 1-2,
Resorcinol: 1-2,
Diethylenetriamine: 2-3.
3, according to claim 1 or 2 described coating, it is characterized in that the granularity of described Paris white and light ash is: the particle more than 90% is less than 30 microns, and largest particle is no more than 80 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92113950 CN1029481C (en) | 1992-12-16 | 1992-12-16 | Coating for plaster mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92113950 CN1029481C (en) | 1992-12-16 | 1992-12-16 | Coating for plaster mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1088149A CN1088149A (en) | 1994-06-22 |
| CN1029481C true CN1029481C (en) | 1995-08-09 |
Family
ID=4946694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92113950 Expired - Fee Related CN1029481C (en) | 1992-12-16 | 1992-12-16 | Coating for plaster mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1029481C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204830B (en) * | 2007-12-18 | 2010-09-08 | 中国科学院上海硅酸盐研究所 | Plaster mould for ceramic grouting forming and its producing method |
| CN102211443A (en) * | 2011-03-29 | 2011-10-12 | 江苏华宇印务有限公司 | Reinforced type gypsum concave-convex die |
| US10245042B2 (en) | 2012-03-13 | 2019-04-02 | Medtronic Xomed, Inc. | Check valve vented sterilizable powered surgical handpiece |
| CN104960119A (en) * | 2015-06-01 | 2015-10-07 | 苏州华冲精密机械有限公司 | Preparation method of gypsum plastic suction mold |
| CN104960189A (en) * | 2015-06-01 | 2015-10-07 | 苏州华冲精密机械有限公司 | Gypsum plastic suction mold |
| CN106083151B (en) * | 2016-06-12 | 2018-12-25 | 南昌航空大学 | A kind of composite gypsum material and preparation method |
| CN112979263A (en) * | 2021-02-08 | 2021-06-18 | 湖南泰鑫瓷业有限公司 | Strengthening method for grouting type mold |
| CN113462260A (en) * | 2021-06-08 | 2021-10-01 | 成都上筑建材有限公司 | Method for demoulding large hollow gypsum board core tube |
-
1992
- 1992-12-16 CN CN 92113950 patent/CN1029481C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1088149A (en) | 1994-06-22 |
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Legal Events
| Date | Code | Title | Description |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |