JPS5770131A - Production of filler - Google Patents

Production of filler

Info

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
Application number
JP14745780A
Other languages
Japanese (ja)
Other versions
JPS5853660B2 (en
Inventor
Seisuke Harada
Naoaki Tanaka
Jiro Saito
Hideo Okawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KANEHIRA KOGYO KK
Calp Kogyo KK
Original Assignee
KANEHIRA KOGYO KK
Calp Kogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KANEHIRA KOGYO KK, Calp Kogyo KK filed Critical KANEHIRA KOGYO KK
Priority to JP14745780A priority Critical patent/JPS5853660B2/en
Publication of JPS5770131A publication Critical patent/JPS5770131A/en
Publication of JPS5853660B2 publication Critical patent/JPS5853660B2/en
Expired legal-status Critical Current

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  • 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
JP14745780A 1980-10-21 1980-10-21 Manufacturing method of filler Expired JPS5853660B2 (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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