SU145597A1 - The method of obtaining soil builders - Google Patents

The method of obtaining soil builders

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Publication number
SU145597A1
SU145597A1 SU693183A SU693183A SU145597A1 SU 145597 A1 SU145597 A1 SU 145597A1 SU 693183 A SU693183 A SU 693183A SU 693183 A SU693183 A SU 693183A SU 145597 A1 SU145597 A1 SU 145597A1
Authority
SU
USSR - Soviet Union
Prior art keywords
water
obtaining soil
soil
builders
soil builders
Prior art date
Application number
SU693183A
Other languages
Russian (ru)
Inventor
К.С. Ахмедов
С Зайнутдинов
Original Assignee
К.С. Ахмедов
С Зайнутдинов
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 К.С. Ахмедов, С Зайнутдинов filed Critical К.С. Ахмедов
Priority to SU693183A priority Critical patent/SU145597A1/en
Application granted granted Critical
Publication of SU145597A1 publication Critical patent/SU145597A1/en

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Description

Известно применение производных полиакрилнитрилов в качестве структурообразователей почвы.It is known the use of derivatives of polyacrylonitriles as soil formers.

Однако известные структурообразователи почв недостаточно эффективны .However, the known soil formers are not effective enough.

По предлагаемому способу, с целью улучшени  структурообразующих свойств препаратов, полиакрилнитрил подвергают взаимодействию со слабым водным раствором едкого натра при кип чении. Полученную после выделени  аммиака густую массу разбавл ют водой.According to the proposed method, in order to improve the structure-forming properties of the preparations, polyacrylonitrile is reacted with a weak aqueous solution of caustic soda at boiling. The thick mass obtained after the release of ammonia is diluted with water.

Вместо раствора едкого натра можно примен ть смесь силиката натри  с водой. В этом случае полученную после отгонки аммиака массу осаждают мeтaнoлo или ацетоном, измельчают, сушат и раствор ют в воде.Instead of caustic soda solution, a mixture of sodium silicate and water can be used. In this case, the mass obtained after distilling off the ammonia is precipitated with methanol or acetone, crushed, dried and dissolved in water.

В качестве сырь  дл  получени  структурообразователей почв можно примен ть полиакрилнитрил с молекул рным весом около 150000.Polyacrylonitrile with a molecular weight of about 150,000 can be used as a raw material for the soil formers.

Пример 1. 10 г полиакрилнитрила смешивают со 100 мл 4%-ного раствора едкого натра, и полученную массу в течение двух часов нагревают на кип шей вод ной бане в колбе, снабженной мешалкой и обратным холодильником. Во врем  протекани  реакции происходит выделение аммиака: сначала медленно, затем весьма интенсивно и под конец почти незаметно. Полученна  густа  масса кремового цвета легко раствор етс  в воде с образованием слегка мутного коллоидного раствора, который разбавл ют до необходимой концентрации и примен ют в качестве структурообразовател  почвы, условно названного К-4.Example 1. 10 g of polyacrylonitrile are mixed with 100 ml of 4% sodium hydroxide solution, and the resulting mass is heated for two hours in a boiling water bath in a flask equipped with a stirrer and a reflux condenser. During the course of the reaction, ammonia is released: at first slowly, then very intensely and towards the end almost unnoticed. The thick cream colored mass obtained is easily dissolved in water to form a slightly turbid colloidal solution, which is diluted to the required concentration and used as a structurant of the soil, conventionally called K-4.

Пример 2- 5 г полиакрилнитрила смешиваютс 25 г силиката натри  и 100 мл воды, и полученную массу в течение шести часов нагревают на кип и1ей вод ной бане в колбе, снабженной мешалкоExample 2 to 5 g of polyacrylonitrile are mixed with 25 g of sodium silicate and 100 ml of water, and the resulting mass is heated for six hours in a boiling water bath in a flask equipped with a stirrer.

и обратным холодильником- После прекращени  выделени  аммиака образуетс  прозрачна  клейка  масса, из которой осаждают целевой продукт действием метанола или ацетона- Полученный продукт высушивают при 100-110° и измельчают в порошок, который раствор ют в воде и примен ют в качестве структурообразовател  почвы, условно названного К-б.and reflux. After cessation of ammonia, a transparent adhesive mass is formed, from which the target product is precipitated by the action of methanol or acetone. named cb.

В таблице приведены данные, характеризующие эффективность структурировани  бесструктурных почв различными структурообразовател ми . Эффективность структурировани  характеризуетс  количеством водопрочных агрегатов размером свыше 0,25 мм, образовавшихс  в почве после обработки структурообразовател миThe table shows the data characterizing the efficiency of structuring unstructured soils by various structure formers. The efficiency of structuring is characterized by the number of water-resistant aggregates larger than 0.25 mm in size, formed in the soil after treatment with structure-forming agents.

SU693183A 1961-01-13 1961-01-13 The method of obtaining soil builders SU145597A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU693183A SU145597A1 (en) 1961-01-13 1961-01-13 The method of obtaining soil builders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU693183A SU145597A1 (en) 1961-01-13 1961-01-13 The method of obtaining soil builders

Publications (1)

Publication Number Publication Date
SU145597A1 true SU145597A1 (en) 1961-11-30

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Family Applications (1)

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Country Status (1)

Country Link
SU (1) SU145597A1 (en)

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