Desiccant. simple recipes

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FACTORY TECHNOLOGIES AT HOME - SIMPLE RECIPES
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Desiccant. Simple recipes and tips

Factory technologies - simple recipes

Directory / Factory technology at home - simple recipes

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For the production of drying oils driers play a big role.

Desiccant is a substance that gives the drying oil the ability to dry faster than it can dry on its own. Previously, only metal oxides and various salts of inorganic acids, such as litharge, minium, manganese peroxide, boron-manganese salt, etc., were used as driers.

Dryers, which are salts of organic acids, are widely used. These driers include: linoleates (salts of linseed-butyric acid) and resinates (salts of acids found in rosin). These driers are soluble in turpentine, oils and have almost supplanted the driers of the first kind. The so-called liquid driers are solutions of some driers in turpentine, gasoline or linseed oil.

For cooking drying oil, desiccants are used in a piece, but it is better to dissolve it first in 3 wt. hours of oil and then add to the boiler.

To make the drying oil, 7 wt. o'clock linseed oil free from flakes, 2 wt. h. minium, 2 wt. hours of ground litharge and 1 wt. h. dehydrated lead sugar in an iron or copper boiler. After a short time, the oil becomes light red, then dark red, finally brownish red, and thickens almost suddenly; at the same time, it has the appearance of liquid bronze and throws out bubbles from the cauldron. The removed sample must be firm, non-sticky and non-smearable. The cauldron is removed from the fire, allowed to cool for some time and added with stirring from 16 to 22 weight. h. turpentine.

According to another recipe take: 7 wt. hours of linseed oil, 1 wt. hours of umber, 1 wt. hours of lead sugar and 1 wt. h. minium; prepared as above, then add approximately 16 wt. hours of turpentine; a dark oil is produced.

To obtain a light drying oil, 7 wt. hours of linseed oil, 2 wt. including borate: manganese oxide and 2 wt. including zinc white. The preparation is carried out as above, after which approximately 16 wt. h. turpentine.

Author: Korolev V.A.

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