JPS56860A - Calcium carbonate pigment and production thereof - Google Patents
Calcium carbonate pigment and production thereofInfo
- Publication number
- JPS56860A JPS56860A JP7701179A JP7701179A JPS56860A JP S56860 A JPS56860 A JP S56860A JP 7701179 A JP7701179 A JP 7701179A JP 7701179 A JP7701179 A JP 7701179A JP S56860 A JPS56860 A JP S56860A
- Authority
- JP
- Japan
- Prior art keywords
- pigment
- caco
- bisphenol
- type epoxy
- epoxy resin
- 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
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
PURPOSE: To obtain titled pigment which gives molded articles excellent physical properties, whiteness and surface gloss with no flash when the pigment is blended with plastics, etc. by a method wherein a bisphenol A type epoxy resin is adsorbed on the surface of CaCO3 particle.
CONSTITUTION: (ii) Bisphenol A (or a derivative) and (iii) an alkali hydroxide (e.g. NaOH) are added to a suspension of CaCO3 to obtain a mixed suspension (A). (iv) An epihalohydrin (e.g. epichlorohydrin) is added to the suspension A. The mixt. is heated at a temp. of not lower than 60°C to produce a bisphenol A type epoxy resin. Simultaneously, the produced bisphenol A type epoxy resin is uniformly adsorbed on the surface of CaCO3 particle. The product is dehydrated, dried and classified by a conventional method to obtain the desired CaCO3 pigment contg. adsorbed resin. The mole ratio of (iv) to (ii) is pref. 1.3W1.8.
USE: Pigment for rubber, paints, inks, papers and plastics.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7701179A JPS56860A (en) | 1979-06-18 | 1979-06-18 | Calcium carbonate pigment and production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7701179A JPS56860A (en) | 1979-06-18 | 1979-06-18 | Calcium carbonate pigment and production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56860A true JPS56860A (en) | 1981-01-07 |
Family
ID=13621807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7701179A Pending JPS56860A (en) | 1979-06-18 | 1979-06-18 | Calcium carbonate pigment and production thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56860A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014501688A (en) * | 2010-12-13 | 2014-01-23 | スリーエム イノベイティブ プロパティズ カンパニー | Dry surface modified nanocalcite |
-
1979
- 1979-06-18 JP JP7701179A patent/JPS56860A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014501688A (en) * | 2010-12-13 | 2014-01-23 | スリーエム イノベイティブ プロパティズ カンパニー | Dry surface modified nanocalcite |
US9512264B2 (en) | 2010-12-13 | 2016-12-06 | 3M Innovative Properties Company | Dry, surface-modified nanocalcite |
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