SU128576A1 - Binder for ceramic molds for casting on melted models - Google Patents

Binder for ceramic molds for casting on melted models

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Publication number
SU128576A1
SU128576A1 SU626921A SU626921A SU128576A1 SU 128576 A1 SU128576 A1 SU 128576A1 SU 626921 A SU626921 A SU 626921A SU 626921 A SU626921 A SU 626921A SU 128576 A1 SU128576 A1 SU 128576A1
Authority
SU
USSR - Soviet Union
Prior art keywords
casting
binder
ceramic molds
melted models
models
Prior art date
Application number
SU626921A
Other languages
Russian (ru)
Inventor
Д.М. Брускин
Т.Г. Миролюбова
Н.Б. Сегаль
Original Assignee
Д.М. Брускин
Т.Г. Миролюбова
Н.Б. Сегаль
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 Д.М. Брускин, Т.Г. Миролюбова, Н.Б. Сегаль filed Critical Д.М. Брускин
Priority to SU626921A priority Critical patent/SU128576A1/en
Application granted granted Critical
Publication of SU128576A1 publication Critical patent/SU128576A1/en

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Description

Обычно при литье по выплавл емым модел м примен ютс  св зующие на основе этилсиликата или жидкого стекла или же на этилсиликате - гидролизованные растворы этилсиликата . Однако эти св зующие неполностью удовлетвор ют требовани м точного лить , a в последнем случае обеспечивают получение устойчивых огпеунорных обмазок при условии нрименепи  только прокаленного маршалита.Usually, binder based on ethyl silicate or liquid glass or on ethyl silicate - hydrolyzed solutions of ethyl silicate are used for casting on the produced models. However, these binders do not fully satisfy the exact casting requirements, and in the latter case they provide stable refractory coatings provided that only calcined marshalite is used.

Предлагаемое св зующее дл  керамических форм при литье по выплавл емым модел м не имеет указанных недостатков. Достигаетс  это тем, что в св зующее ввод т концентрированную серную кислоту, например 5 сжз на 1 л раствора, с использованием непрокаленного пылевидного кварца. Такой прием увеличивает прочность оболочки.The proposed binder for ceramic molds for casting on melted models does not have the indicated disadvantages. This is achieved by introducing concentrated sulfuric acid into the binder, for example, 5 squeezers per 1 liter of solution, using non-calcined powdered silica. This technique increases the strength of the shell.

Предлагаемое св зующее дл  приготовлени  обмазочного материала при изготовлении керамических форм дл  лить  но выплавл емым модел м состоит из гидролизованногоThe proposed binder for the preparation of a coating material in the manufacture of ceramic molds for casting but melted models consists of hydrolyzed

раствора этилсиликата и технической концент рированной серной кислоты, котора  вводитс  в гидролизованный раствор перед смещением его с пылевидныд кварцем. Серна  кислота реагирует с металлическим железом, содержащимс  в маршалите, и нейтрализует его по отношению к гидролизованпому раствору, чем и предотвращаетс  преждевременна  коагул ци  обмазочного материала.a solution of ethyl silicate and technical concentrated sulfuric acid, which is introduced into the hydrolyzed solution before shifting it from dust-like quartz. Sulfuric acid reacts with the metallic iron contained in marshalite and neutralizes it with respect to the hydrolyzed solution, thereby preventing premature coagulation of the coating material.

Предмет изобретени Subject invention

Св зующее дл  керамических форм при литье по выплавл емым модел м, состо щееBinder for ceramic molds for casting on melted models, consisting

из этилсиликата, воды, растворител  (ацетона или др.) и сол ной кислоты, отличающеес  тем, что, с целью возможности применени  непрокаленного маршалита, увеличени  прочпости оболочки и нейтрализации металлического железа в пылевидном кварце, в него ввод т концентрированную серную кислоту.from ethyl silicate, water, solvent (acetone or others) and hydrochloric acid, characterized in that, in order to use non-calcined marshalite, increase the strength of the shell and neutralize metallic iron in pulverized quartz, concentrated sulfuric acid is introduced into it.

SU626921A 1959-04-30 1959-04-30 Binder for ceramic molds for casting on melted models SU128576A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU626921A SU128576A1 (en) 1959-04-30 1959-04-30 Binder for ceramic molds for casting on melted models

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU626921A SU128576A1 (en) 1959-04-30 1959-04-30 Binder for ceramic molds for casting on melted models

Publications (1)

Publication Number Publication Date
SU128576A1 true SU128576A1 (en) 1959-11-30

Family

ID=48399776

Family Applications (1)

Application Number Title Priority Date Filing Date
SU626921A SU128576A1 (en) 1959-04-30 1959-04-30 Binder for ceramic molds for casting on melted models

Country Status (1)

Country Link
SU (1) SU128576A1 (en)

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