SU791754A1 - Method of preparing 1,3-butadienyltrichlorosilane - Google Patents

Method of preparing 1,3-butadienyltrichlorosilane Download PDF

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Publication number
SU791754A1
SU791754A1 SU782698556A SU2698556A SU791754A1 SU 791754 A1 SU791754 A1 SU 791754A1 SU 782698556 A SU782698556 A SU 782698556A SU 2698556 A SU2698556 A SU 2698556A SU 791754 A1 SU791754 A1 SU 791754A1
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USSR - Soviet Union
Prior art keywords
butadienyltrichlorosilane
preparing
halogen
producing
membered heterocycle
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SU782698556A
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Russian (ru)
Inventor
Евгений Андреевич Чернышев
Нина Георгиевна Комаленкова
Ольга Борисовна Афанасова
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Предприятие П/Я Г-4236
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Priority to SU782698556A priority Critical patent/SU791754A1/en
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Publication of SU791754A1 publication Critical patent/SU791754A1/en

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(5) СПОСОБ ПОЛУЧЕНИЯ 1,3-БУТАДИЕНИЛТРИХЛОРСИЛЛНА(5) METHOD FOR PRODUCING 1,3-BUTADHENYLTRYLOROSILLATE

Изобретение относитс  к области получени  органохлорсиланов, содержащих непредельный органический радикал , в частности, 1,З-бутадиенилтрихлорсилана: SiCtj. Этот кремнийорганический мономер сп собен полимеризоватьс  по дмум направлени м: по двойным сопр женным св з м бутадиенильного фрагмента и путем гидролиза по св з м Si-Cl с последующей поликонденсацией образу ющихс  силанолов в полисилоксаны, вследствие чего может быть использован как ценное сырье при получен-и полимерных материалов на основе кре нийорганических соединений. Известен способ получени  1,3-бу тэдиенилтрихлорсилана гидросилилиро ванием винилацетилена трихлорсилано в присутствии HjPtCEfc в изопропилоdl .л-vThe invention relates to the field of producing organochlorosilanes containing an unsaturated organic radical, in particular 1, 3-butadienyltrichlorosilane: SiCtj. This organosilicon monomer is polymerized according to dmum directions: double conjugated bonds of the butadienyl fragment and by hydrolysis through Si-Cl bonds followed by polycondensation of the formed silanols to polysiloxanes, as a result of which it can be used as a valuable raw material and polymeric materials based on organochlorine compounds. A known method for producing 1,3-butadienyltrichlorosilane by hydrosilylation of vinyl acetylene with trichlorosilane in the presence of HjPtCEfc in isopropyl dl l -v

5; йнг ciHeH c;H0idij+( } - Гfive; Young ciHeH c; H0idij + (} - T

ОABOUT

idijidij

riirii

и ( вом спирте с выходом 40%J1} Этот способ не нашел применени , так как имеет существенные недостатки: -в качестве исходного сырь  используетс  взрывоопасное вещество винилацетилен; -процесс требует длительного времени (20 ч) ; -требуетс  дорогосто щий катализатор - платинохлористоводородна  кислота. Наиболее близким к за вл емому  вл етс  способ получени  1,3-бутадиенилтрихлорсилана газофазным пиролизом галогензамещенного кремнийсодержащего п тичленного гетероцикла, а именно: 1,1,2,з тетрахлор-1-силацикло-пентана или 1,1,3,4-тетрахлор-1-силациклопентана при температуре 540° 2. Схема синтезаand (fresh alcohol with a yield of 40% J1} This method has not been applied, since it has significant drawbacks: -explosive vinylacetylene is used as a raw material; -the process takes a long time (20 hours); -the expensive catalyst is required - platinum hydrochloric acid The closest to the claimed method is the production of 1,3-butadienyltrichlorosilane by gas-phase pyrolysis by halogen-substituted silicon-containing five-membered heterocycle, namely, 1,1,2, 3 of tetrachloro-1-silocyclo-pentane or 1,1,3,4- tetrachloro-1-si atsiklopentana at a temperature of 540 ° 2. Synthesis scheme

Claims (1)

Формула изобретенияClaim Способ получения 1,3-бутадиенилтрихлорсилана газофазным пиролизом галогензамещенного кремнийсодержащего пятичленного гетероцикла, отличающийся тем, что, с целью увеличения выхода целевого продукта и упрощения процесса, в качестве галогензамещенного кремнийсодержащего пятичленного гетероцикла используют 4-бром-1,1дихлор-1-силациклопентен-2 и процесс проводят при температуре 350-450°С и времени пиролиза 10-100 с. .A method of producing 1,3-butadienyl trichlorosilane by gas-phase pyrolysis of a halogen-substituted silicon-containing five-membered heterocycle, characterized in that, in order to increase the yield of the target product and simplify the process, 4-bromo-1,1-dichloro-1-force-2 is used as a halogen-substituted silicon-containing five-membered heterocycle the process is carried out at a temperature of 350-450 ° C and a pyrolysis time of 10-100 s. .
SU782698556A 1978-12-18 1978-12-18 Method of preparing 1,3-butadienyltrichlorosilane SU791754A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU782698556A SU791754A1 (en) 1978-12-18 1978-12-18 Method of preparing 1,3-butadienyltrichlorosilane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU782698556A SU791754A1 (en) 1978-12-18 1978-12-18 Method of preparing 1,3-butadienyltrichlorosilane

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SU791754A1 true SU791754A1 (en) 1980-12-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730031A (en) * 1985-01-23 1988-03-08 Nissan Chemical Industries Ltd. Polymers of substituted 1,3-butadiene compounds having reactive silyl groups and process for their preparation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730031A (en) * 1985-01-23 1988-03-08 Nissan Chemical Industries Ltd. Polymers of substituted 1,3-butadiene compounds having reactive silyl groups and process for their preparation

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