SU1255602A1 - Method of producing gypsum articles - Google Patents

Method of producing gypsum articles Download PDF

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Publication number
SU1255602A1
SU1255602A1 SU833576891A SU3576891A SU1255602A1 SU 1255602 A1 SU1255602 A1 SU 1255602A1 SU 833576891 A SU833576891 A SU 833576891A SU 3576891 A SU3576891 A SU 3576891A SU 1255602 A1 SU1255602 A1 SU 1255602A1
Authority
SU
USSR - Soviet Union
Prior art keywords
gypsum
producing gypsum
gypsum articles
additive
products
Prior art date
Application number
SU833576891A
Other languages
Russian (ru)
Inventor
Надежда Васильевна Дувидзон
Дмитрий Иванович Чемоданов
Марианна Александровна Савинкина
Лариса Яковлевна Анищенко
Original Assignee
Томский инженерно-строительный институт
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 Томский инженерно-строительный институт filed Critical Томский инженерно-строительный институт
Priority to SU833576891A priority Critical patent/SU1255602A1/en
Application granted granted Critical
Publication of SU1255602A1 publication Critical patent/SU1255602A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C04B28/141—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing dihydrated gypsum before the final hardening step, e.g. forming a dihydrated gypsum product followed by a de- and rehydration step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Description

ii

Изобретение относитс  к способу изготовлени  безобжи.говых гипсовых изделий и может быть использовано в промьппленности строительных материалов .The invention relates to a method for making glue-free gypsum products and can be used in the production of building materials.

Целью изобретени   вл етс  повышение прочности.The aim of the invention is to increase the strength.

Пример. Образцы-цилиндры диаметром и высотой 1,5 см готов т из смеси, состо щей из тонкомолото го гипсового камн , воды и хромового ангидрида в количестве 0,24 иExample. Cylinder specimens with a diameter and height of 1.5 cm are prepared from a mixture of finely ground gypsum stone, water, and chromic anhydride in an amount of 0.24 and

89,989.9

0,1 Осталь- 291,8 293 ное до 100%0.1 Remaining- 291.8 293% up to 100%

Как видно из таблицы, наибольша  прочность достигаетс  при совместРедактор Н.ГунькоAs can be seen from the table, the greatest strength is achieved when the co-editor N. Gunko

Составитель Ф.Сорина Техред А.КравчукCompiled by F. Sorin Tehred A. Kravchuk

Заказ 7783/27 Тираж 640ПодписноеOrder 7783/27 Edition 640 Subscription

ВНИШИ Государственного комитета СССРVNISHI USSR State Committee

по делам изобретений и открытий 113035, Москва, Ж-35, Раушска  наб., д, 4/5for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., d, 4/5

Производственно-полиграфическое предпри тие, г. Ужгород, ул. Проектна . 4Production and printing company, Uzhgorod, st. Design. four

12556021255602

0,26 мас.% от массы гипса, Отдозиро- ванную смесь, состо щую из гипса и добавки, совместно измельчают в экстракторе-измельчителе объемом0.26 wt.% By weight of gypsum. The self-contained mixture, consisting of gypsum and additives, is crushed together in a pulper extractor with a volume of

150 мл со скоростью вращени  20 g при соотношении измельчаемого материала и шаров 1:12 в течение 3 мин. Образцы формуют при удельном давлении прессовани  25 МПа, которые150 ml with a rotation speed of 20 g at a ratio of comminuted material and balls of 1:12 for 3 minutes. Samples are molded at a specific pressure of 25 MPa, which

твердеют при обычных услови х.harden under normal conditions.

Результаты испытаний приведены в таблице.The test results are shown in the table.

. 296,7. 296.7

300300

300300

ном измельчении природного гипса с 0,25 мас.% хромового ангидрида.nom grinding natural gypsum with 0.25 wt.% chromic anhydride.

Корректор М.ЛожоProofreader M.Lozho

Claims (1)

СПОСОБ ИЗГОТОВЛЕНИЯ ГИПСОВЫХ ИЗДЕЛИЙ путем смешения двуводного гипса и добавки с последующим формованием изделий из полученной смеси и' твердением в нормальных условиях, отличающийся тем, что, с целью повышения прочности, в качестве добавки используют хромовый ангидрид, который вводят в количестве 0,24-0,26 мас.% и измельчают вместе с двуводным гипсом.METHOD FOR PRODUCING GYPSUM PRODUCTS by mixing two-water gypsum and an additive followed by molding products from the resulting mixture and hardening under normal conditions, characterized in that, in order to increase strength, chromic anhydride is used as an additive, which is introduced in an amount of 0.24-0 , 26 wt.% And crushed together with two-water gypsum. и 1255602and 1255602
SU833576891A 1983-04-11 1983-04-11 Method of producing gypsum articles SU1255602A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU833576891A SU1255602A1 (en) 1983-04-11 1983-04-11 Method of producing gypsum articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU833576891A SU1255602A1 (en) 1983-04-11 1983-04-11 Method of producing gypsum articles

Publications (1)

Publication Number Publication Date
SU1255602A1 true SU1255602A1 (en) 1986-09-07

Family

ID=21058248

Family Applications (1)

Application Number Title Priority Date Filing Date
SU833576891A SU1255602A1 (en) 1983-04-11 1983-04-11 Method of producing gypsum articles

Country Status (1)

Country Link
SU (1) SU1255602A1 (en)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Волженский А.В. и др. Гипсовые в жущие и издели . Стройиздат, 1974, с. 79. Авторское свидетельство СССР № 1052492, кл. С 04 В 29/02, 1982. *

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