SU498307A1 - The method of obtaining 1,1,3,3-tetramethyl1,3-disiloxanediol - Google Patents

The method of obtaining 1,1,3,3-tetramethyl1,3-disiloxanediol

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Publication number
SU498307A1
SU498307A1 SU1977251A SU1977251A SU498307A1 SU 498307 A1 SU498307 A1 SU 498307A1 SU 1977251 A SU1977251 A SU 1977251A SU 1977251 A SU1977251 A SU 1977251A SU 498307 A1 SU498307 A1 SU 498307A1
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SU
USSR - Soviet Union
Prior art keywords
obtaining
disiloxanediol
hydrolysis
gasoline
organosilicon compounds
Prior art date
Application number
SU1977251A
Other languages
Russian (ru)
Inventor
Евгений Павлович Лебедев
Валентина Георгиевна Чудаева
Original Assignee
Казанский Филиал Всесоюзного Научно-Исследовательского Института Синтетического Каучука Им. Акад. С.В.Лебедева
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Application filed by Казанский Филиал Всесоюзного Научно-Исследовательского Института Синтетического Каучука Им. Акад. С.В.Лебедева filed Critical Казанский Филиал Всесоюзного Научно-Исследовательского Института Синтетического Каучука Им. Акад. С.В.Лебедева
Priority to SU1977251A priority Critical patent/SU498307A1/en
Application granted granted Critical
Publication of SU498307A1 publication Critical patent/SU498307A1/en

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Description

(54) СПОСОБ ПОЛУЧЕНИЯ М,3.3-ТЕТРАМЕТИЛ1 ,3-ДИСИЛОКСАНДИОЛА(54) METHOD OF OBTAINING M, 3.3-TETRAMETHYL1, 3-DISYLOXANDIOL

дела силанолы, хорошо раствор ющиес  в воде , самопроизвольно вывод тс  из сферы реакции , что преп тствзет образованию побочных длминоцепных диолов и циклосклоксаиов.Cases of silanols, which are well soluble in water, are spontaneously removed from the scope of the reaction, which prevents the formation of side dynolonechol diols and cyclocloxoxy.

Дисол выдел ют из реакционной смеси высаливанием с последующей перекристаллизацией из оргаиических растворителей.Disol is isolated from the reaction mixture by salting out, followed by recrystallization from organic solvents.

.Пример. В трехгорлую колбу с мешалкой , термометром и капельной воронкой помещают 600 мл дистиллированной ЕОДЫ и 30 г бикарбоната аммони , в течение I час при интенсивном перемешивании и О-5° С прикапывают 85,5 г (0,66 моль} диметилдихлорсилана в смеси с 96,8 г продуктов его аммонолиза и 20 мл бензина, перемешивают 10 мин, отдел ют бензиновый слой, из водного сло  высаливают ДИСОЛ, который перекристаллизовы14С г (88,5%).Example. 600 ml of distilled EODA and 30 g of ammonium bicarbonate are placed in a three-necked flask with a stirrer, a thermometer and an addition funnel, and 85.5 g (0.66 mol) of dimethyldichlorosilane mixed with 96 , 8 g of its ammonolysis products and 20 ml of gasoline are mixed for 10 minutes, the gasoline layer is separated, DISOL is salted out of the aqueous layer, which are recrystallized 14 C g (88.5%)

зают из бензина. Получают продукта, т. пл. 61-62° С. - Найдено, %: ОН 20,07. Вычислено, %: ОН 20,44.zayut of gasoline. Get the product, so pl. 61-62 ° C. - Found,%: OH 20.07. Calculated,%: OH 20.44.

Claims (2)

1.Способ получени  1,,3,3-тетраметил-1,3дисилоксаидиола гидролизом кремнийорганических соединений, отличающийс  тем, что, с целью упрощени  способа, в качестве кремнийорганических соединений используют диме7илдихлорс5;ла1г в смеси с эквимол рным количеством продуктов его аммонолиза.1. A method for producing 1, 3,3-tetramethyl-1,3disiloxaidiol by hydrolysis of organosilicon compounds, characterized in that, in order to simplify the process, dimers7 dichloros5 are used as organosilicon compounds; l1g mixed with an equimolar amount of its ammonolysis products. 2.Способ но п. , отличающийс  тем, что гидролиз ведут при О-5° С в присутствии бикарбо1гата аммони  в среде несмещивающихс  с водой органических растворителей, например бензина.2. Method of claim 2, characterized in that the hydrolysis is carried out at about-5 ° C in the presence of ammonium bicarbonate in an environment of water-free organic solvents, such as gasoline.
SU1977251A 1973-12-17 1973-12-17 The method of obtaining 1,1,3,3-tetramethyl1,3-disiloxanediol SU498307A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1977251A SU498307A1 (en) 1973-12-17 1973-12-17 The method of obtaining 1,1,3,3-tetramethyl1,3-disiloxanediol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1977251A SU498307A1 (en) 1973-12-17 1973-12-17 The method of obtaining 1,1,3,3-tetramethyl1,3-disiloxanediol

Publications (1)

Publication Number Publication Date
SU498307A1 true SU498307A1 (en) 1976-01-05

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