JPS5770131A - Production of filler - Google Patents
Production of fillerInfo
- Publication number
- JPS5770131A JPS5770131A JP14745780A JP14745780A JPS5770131A JP S5770131 A JPS5770131 A JP S5770131A JP 14745780 A JP14745780 A JP 14745780A JP 14745780 A JP14745780 A JP 14745780A JP S5770131 A JPS5770131 A JP S5770131A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- powder
- inorg
- caco
- unsaturated carboxylic
- 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.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: To produce a filler having excellent gloss, dispersibility and affinity with various materials, by heat-treating heavy CaCo3 powder in the presence of an inorg. acid and coating the powder with an unsaturated carboxylic acid.
CONSTITUTION: 0.2W5pts.wt. (calculated as inorg. acid) aq. soln. (20W50% concn.) of an inorg. acid such as sulfuric acid is added to 100pts.wt. heavy CaCO3 powder. The mixt. is heat-treated at 80W110°C for 5W60min to form the layer of a Ca salt of the inorg. acid on the surface of the CaCO3 powder. Then 0.3W5.0pts.wt. unsaturated carboxylic acid such as (meth)acrylic acid is added to 100pts.wt. above CaCO3 powder. Mixing is conducted ar 20W40°C for 5W80min to cover the surface of the powder with the layer of a Ca salt of the unsaturated carboxylic acid.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14745780A JPS5853660B2 (en) | 1980-10-21 | 1980-10-21 | Manufacturing method of filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14745780A JPS5853660B2 (en) | 1980-10-21 | 1980-10-21 | Manufacturing method of filler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5770131A true JPS5770131A (en) | 1982-04-30 |
| JPS5853660B2 JPS5853660B2 (en) | 1983-11-30 |
Family
ID=15430788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14745780A Expired JPS5853660B2 (en) | 1980-10-21 | 1980-10-21 | Manufacturing method of filler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5853660B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927618A (en) * | 1987-11-19 | 1990-05-22 | Pfizer Inc. | Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate |
| US4980395A (en) * | 1987-11-19 | 1990-12-25 | Pfizer Inc. | Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate |
| CN1125149C (en) * | 1999-02-23 | 2003-10-22 | 深圳市伟雄机械设备有限公司 | Method and apparatus for preparing superfine modified heavy calcium carbonate for rubber tyre |
-
1980
- 1980-10-21 JP JP14745780A patent/JPS5853660B2/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927618A (en) * | 1987-11-19 | 1990-05-22 | Pfizer Inc. | Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate |
| US4980395A (en) * | 1987-11-19 | 1990-12-25 | Pfizer Inc. | Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate |
| CN1125149C (en) * | 1999-02-23 | 2003-10-22 | 深圳市伟雄机械设备有限公司 | Method and apparatus for preparing superfine modified heavy calcium carbonate for rubber tyre |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5853660B2 (en) | 1983-11-30 |
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