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Oil-in-water type emulsion composition and method for production thereof

An oil-in-water type and composition technology, which is applied in chemical instruments and methods, pharmaceutical formulations, transportation and packaging, etc., can solve problems such as products that are difficult to use widely, and achieve the effects of inhibiting the increase in viscosity over time and reducing costs.

Inactive Publication Date: 2010-02-17
KURITA WATER INDUSTRIES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, antifoaming agents composed of such complex formulations are difficult to be widely used due to restrictions on their formulation.

Method used

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  • Oil-in-water type emulsion composition and method for production thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] 22.5 parts by weight of an aliphatic alcohol with 18 carbon atoms [SASOL Corporation, Nacol 18-98] and 7.5 parts by weight of calcium carbonate as poorly water-soluble hydrophilic inorganic particles [Shiraishi Industry Co., Ltd., Brilliant-1500] , Heat and melt aliphatic alcohols with 18 carbon atoms. Then, the molten material was stirred at 73°C with a turbine blade at a peripheral speed of 5.2 m / s, while hot water at 73°C was dropped. When it becomes a highly viscous gel-like mixture, the stirring is temporarily stopped, and then 69.94 parts by weight of hot water at 73° C. is added in total, and then the stirring is restarted. To the resulting emulsified dispersion liquid was added 0.06 parts by weight of Eylan Gem (product name) (Sanjing Co., Ltd., KIC376), and cooled to obtain an oil-in-water emulsion composition. The results of the time-lapse thickening test of the sample composition of Example 1 are shown in "Table 1" below.

[0044] [Table 1]

[0045] [Example 1:...

Embodiment 2

[0049] A mixture of 22.5 parts by weight of aliphatic alcohol with 18 carbon atoms [SASOL Corporation, Nacol 18-98] and poorly water-soluble hydrophilic inorganic fine particles of aluminum hydroxide [Kanto Chemical Co., Ltd. Deer Special Grade Average particle size 0.05μm ] 7.5 parts by weight, using the same method as in Example 1 below, a sample of an oil-in-water emulsion composition was obtained. The results of the thickening test with time for the sample composition of Example 2 are shown in "Table 2" below.

[0050] [Table 2]

[0051] [Example 2: Results of a thickening test with time]

[0052] Measurement conditions

[0053] As shown in the above "Table 3", the viscosity of this sample was 352 mPa·s immediately after manufacture, and after storage at 10°C, 20°C, 30°C, and 40°C for 30 days, they were 370, 403, 410, and 425 mPa·s, respectively. s. That is, almost no change in viscosity over time occurs.

Embodiment 3

[0055] A mixture of 22.5 parts by weight of aliphatic alcohol with 18 carbon atoms [SASOL Corporation, Nacol 18-98] and alumina (Kanto Chemical Co., Ltd. Deer Special Grade) as poorly water-soluble hydrophilic inorganic particles, and 7.5 parts by weight, below In the same manner as in Example 1, a sample of an oil-in-water emulsion composition was obtained. The results of the thickening test with time for the sample composition of Example 3 are shown in the following "Table 3".

[0056] [table 3]

[0057] [Example 3: Results of a thickening test with time]

[0058] Measurement conditions

[0059] As shown in the above "Table 3", the viscosity of this sample was 412 mPa·s immediately after manufacture, and after storage at 10°C, 20°C, 30°C, and 40°C for 30 days, they were 455, 461, 466, and 503 mPa·s, respectively. s. That is, almost no change in viscosity over time occurs.

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Abstract

The invention provides an oil-in-water type emulsion composition having excellent storage stability which is free from the occurrence of sickening or solidification during storage without the restriction by the compounding thereof. An oil-in-water type emulsion composition and a method for producing the composition are provided, wherein the oil-in-water type emulsion composition comprises an oil phase component containing a higher alcohol having 12 to 30 carbon atoms and hydrophilic inorganic fine particles sparingly soluble in water, wherein fine particles of the oil phase component are dispersed in a state in which they are covered by the above hydrophilic inorganic fine particles.

Description

Technical field [0001] The present invention relates to a technology related to oil-in-water emulsion compositions. More specifically, it relates to a novel oil-in-water emulsion composition without adding an emulsifier and a method for producing the composition. Background technique [0002] At present, oil in water emulsion compositions are widely used as foaming inhibitors (antifoaming agents) in various manufacturing processes or processing processes mainly in papermaking processes, or in drainage treatment processes. Generally, such a composition is constituted by adding an emulsifier and water to the oil phase component, and dispersing the oil phase component in the water. [0003] As an antifoaming agent that exhibits excellent effects among antifoaming agents composed of this oil-in-water emulsion composition, a composition containing a higher alcohol component is known (for example, refer to Patent Document 1). However, since such an antifoaming agent thickens vigorously...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J13/00C09K23/00
CPCA61Q19/00A61K8/06A61K2800/412A61K8/11
Inventor 园田雄二石田敏雄
Owner KURITA WATER INDUSTRIES LTD
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