Method for manufacturing granulated gel and coating composition having the same

A technology of granular gel and production method, applied in the direction of coating, etc., can solve the problems of low chemical stability of synthetic resin emulsion, clogging of pipelines with residues, inability to stabilize production, etc., and achieves low load, small uneven feeling, and excellent physical properties of the coating film Effect

Active Publication Date: 2008-07-30
KANSAI PAINT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The multi-color pattern paint composition containing colored gel particles produced by this method can form a coating film excellent in smoothness, water resistance, weather resistance, etc., but due to the low chemical stability of the synthetic resin emulsion, there are problems such as clogging of pipes with residues , there is a disadvantage that it cannot be produced stably in the paint manufacturing step

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0116] Hereinafter, the present invention will be described more specifically by way of examples, but the present invention is not limited to these examples. "Parts" and "%" in the following examples refer to "parts by mass" and "% by mass" respectively

[0117] manufacture of emulsion

manufacture example 1

[0119] 285 parts of deionized water and 1 part of "New Cole 707SF" (Note 1) were put into a 4-flask with a capacity of 2 L, replaced with nitrogen, and kept at 85°C. 3% parts of the pre-emulsion obtained by making the components of the following composition into an emulsion, and 41 parts of 123 parts of the initiator aqueous solution obtained by dissolving 3 parts of ammonium persulfate in 120 parts of deionized water were added thereto, 20 minutes after the addition, the remaining pre-production liquid and ammonium persulfate aqueous solution were added dropwise to the flask over 4 hours.

[0120] 368 parts of deionized water

[0121] Styrene 150 parts

[0122] Methyl methacrylate 413 parts

[0123] 240 parts of n-butyl acrylate

[0124] 150 parts of 2-ethylhexyl acrylate

[0125] Diacetone acrylamide 20 parts

[0126] 1,6-hexanediol diacrylate 5 parts

[0127] 20 parts of 2-hydroxyethyl acrylate

[0128] Acrylic 2 parts

[0129] "New Col 707SF" (Note 1) 66 servings.

...

manufacture example 2

[0134] The following components were added to a 1 L stainless steel container, and the mixture was stirred and mixed with a mixer for 30 minutes to obtain a white pigment paste (b1).

[0135] 225 parts of water

[0136] "スラオフ72N" (Note 2) 15 servings

[0137] "DISPER BYK-190" (Note 3) 30 copies

[0138] "SNデフオ一マ一380" (Note 4) 15 copies

[0139] "TITANIX JR-605" (Note 5) 500 copies.

[0140] (Note 2) "Suraof 72N": trade name, manufactured by Takeda Pharmaceutical Co., Ltd., preservative.

[0141] (Note 3) "DISPER BYK-190": trade name, manufactured by BYK Chemical Co., Ltd., pigment dispersant.

[0142] (Note 4) "SN Defoamer 380": trade name, manufactured by Sannopco Corporation, antifoaming agent.

[0143] (Note 5) "TITANIX JR-605": trade name, manufactured by Teika Corporation, titanium dioxide.

[0144] Manufacture of red rust (red 锖) pigment paste

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Abstract

The invention provides a manufacturing method of granulated gel and coating composition formed of the granulated gel obtained from the manufacturing method combined with coating film forming ingredient. The granulated gel manufacturing method comprises bringing aqueous liquid compound including waterborne resin, colorant and water-soluble polysaccharide into contact with water medium containing metal compound, characterized in that organic acid metal salt serves as a component part of the metal compound.

Description

technical field [0001] The present invention relates to a method for producing granular gel and a coating composition containing the granular gel. Background technique [0002] The method of encapsulating liquid particles with a gelled film by contacting a water-soluble polymer polysaccharide such as sodium alginate with an aqueous solution containing metal ions such as an aqueous calcium chloride solution is known, and is widely used in food, chemical, in the field of biology. [0003] As the encapsulation method, for example, Japanese Patent Application Laid-Open No. 10-152511 discloses a method for producing a granular molded product for immobilizing enzymes or microbial cells, which method includes: adding alkali metal ions or polyvalent metal ions to Add dropwise an aqueous liquid composition containing a hydrophilic photocurable resin, a photopolymerization initiator, a water-soluble polymer polysaccharide, and an inorganic powder to make the composition form a granul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/075C08L33/00C09D133/00C08L5/00
Inventor 市川昭人五十岚浩史井上刚森绿高野享铃木妍哉竹内彻繁谷纯
Owner KANSAI PAINT CO LTD
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