CN102399477A - Dust-free chalk - Google Patents
Dust-free chalk Download PDFInfo
- Publication number
- CN102399477A CN102399477A CN2010102767876A CN201010276787A CN102399477A CN 102399477 A CN102399477 A CN 102399477A CN 2010102767876 A CN2010102767876 A CN 2010102767876A CN 201010276787 A CN201010276787 A CN 201010276787A CN 102399477 A CN102399477 A CN 102399477A
- Authority
- CN
- China
- Prior art keywords
- dust
- free chalk
- parts
- chalk
- free
- 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.)
- Pending
Links
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a dust-free chalk which is prepared by using calcined gypsum, magnesium oxide, polyvinyl alcohol, polypropylene glycol and water. The dust-free chalk has the advantages of reasonable formula, good usage effect and low production cost.
Description
Technical field:
The present invention relates to a kind of dust-free chalk.
Background technology:
Existing dust-free chalk, effect is undesirable, and production cost is high.
Summary of the invention:
The object of the present invention is to provide the good dust-free chalk of a kind of result of use.
Technical solution of the present invention is:
A kind of dust-free chalk is characterized in that: the one-tenth by following weight part is grouped into:
82 parts of the plaster of Paris
7 parts in Natural manganese dioxide
0.5 part of Z 150PH
0.5 part of W 166
90 parts in water.
The present invention fills a prescription rationally, and result of use is good, and production cost is low.
Below in conjunction with embodiment the present invention is described further.
Embodiment:
Embodiment 1:
A kind of dust-free chalk is grouped into by the one-tenth of following weight part:
82 parts of the plaster of Paris
7 parts in Natural manganese dioxide
0.5 part of Z 150PH
0.5 part of W 166
90 parts in water.
Claims (1)
1. dust-free chalk, it is characterized in that: the one-tenth by following weight part is grouped into:
82 parts of the plaster of Paris
7 parts in Natural manganese dioxide
0.5 part of Z 150PH
0.5 part of W 166
90 parts in water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102767876A CN102399477A (en) | 2010-09-09 | 2010-09-09 | Dust-free chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102767876A CN102399477A (en) | 2010-09-09 | 2010-09-09 | Dust-free chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102399477A true CN102399477A (en) | 2012-04-04 |
Family
ID=45882155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102767876A Pending CN102399477A (en) | 2010-09-09 | 2010-09-09 | Dust-free chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102399477A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876136A (en) * | 2012-09-11 | 2013-01-16 | 启东新加源化工有限公司 | Dust-free chalk |
| CN103468062A (en) * | 2013-08-30 | 2013-12-25 | 龙启知 | Neodymium iron boron magnetic chalk |
| CN111363414A (en) * | 2018-12-25 | 2020-07-03 | 湖南昌迅科技环保股份有限公司 | Method for preparing chalk by taking salt gypsum as raw material |
-
2010
- 2010-09-09 CN CN2010102767876A patent/CN102399477A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876136A (en) * | 2012-09-11 | 2013-01-16 | 启东新加源化工有限公司 | Dust-free chalk |
| CN103468062A (en) * | 2013-08-30 | 2013-12-25 | 龙启知 | Neodymium iron boron magnetic chalk |
| CN111363414A (en) * | 2018-12-25 | 2020-07-03 | 湖南昌迅科技环保股份有限公司 | Method for preparing chalk by taking salt gypsum as raw material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120404 |