SU148057A1 - Method for preparing aryl- (or alkyl-) vinylphosphinic acid esters and ethylene glycol - Google Patents

Method for preparing aryl- (or alkyl-) vinylphosphinic acid esters and ethylene glycol

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Publication number
SU148057A1
SU148057A1 SU744491A SU744491A SU148057A1 SU 148057 A1 SU148057 A1 SU 148057A1 SU 744491 A SU744491 A SU 744491A SU 744491 A SU744491 A SU 744491A SU 148057 A1 SU148057 A1 SU 148057A1
Authority
SU
USSR - Soviet Union
Prior art keywords
ethylene glycol
alkyl
acid esters
aryl
preparing aryl
Prior art date
Application number
SU744491A
Other languages
Russian (ru)
Inventor
Е.Л. Гефтер
И.А. Рогачева
Original Assignee
Е.Л. Гефтер
И.А. Рогачева
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 Е.Л. Гефтер, И.А. Рогачева filed Critical Е.Л. Гефтер
Priority to SU744491A priority Critical patent/SU148057A1/en
Application granted granted Critical
Publication of SU148057A1 publication Critical patent/SU148057A1/en

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Description

Известны способы пол)чени  эфиров непредельных фосфороорганических кислот реакцией хлорангидрида хлсрэтилфосфиновой кислоты с ацетальдегидом и триэтиламином.Known methods for the preparation of esters of unsaturated organophosphoric acids are the reaction of hl-ethylphosphinic acid chloride with acetaldehyde and triethylamine.

Предложенный способ получени  арил- (или алкил)- винилфосфиртовых кислот и этиленгликол  значительно проще известных, поскольку он не требует создани  особых условий дл  своего осуществлени  (добавлени  катализатора) и реакци  идет в одну стадию.The proposed method for the preparation of aryl- (or alkyl) -vinyl phosphoric acids and ethylene glycol is much simpler known, since it does not require the creation of special conditions for its implementation (catalyst addition) and the reaction proceeds in one stage.

При этом р-хлорэтиловые эфиры арил- (или алкил)-винилфосфиновых кислот подвергаютс  термической димеризации при температуре 200-240° в атмосфере воздуха или инертного газа. Реакци  протекает с выделением дихлорэтана:Moreover, the p-chloroethyl esters of aryl- (or alkyl) -vinylphosphinic acids undergo thermal dimerization at a temperature of 200-240 ° in an atmosphere of air or an inert gas. The reaction proceeds with the release of dichloroethane:

R ОR ООR or R OO

/R - ClCH,CH,Cl   / R - ClCH, CH, Cl

Р РOR Р РOR

/ / / /

2СНа---СН ОСНзСаС СН.-.СН ОСН,СНа СН СН22СНа --- СН ОСНзСаС СН .-. СН ОН, СНа СН СН2

где I - арил или алкил.where I is aryl or alkyl.

Эта реакци  проходит при нагревании |3-хлорэтиловых эфиров до 2UO-240° в атмосфере воздуха или инертного газа без катализаторов.This reaction takes place by heating the 3-chloroethyl esters to 2UO-240 ° in an atmosphere of air or inert gas without catalysts.

Полученные вещества - эфиры арил- (или алкил)-винилфосфиновых кислот и этиленгликол  - представл ют собой густые окрашенные жидкости, растворимые в р де органических растворителей и не растворимые в воде. Они сополимеризуютс  с другими мономерами и, в отличие от фосфороорганических соединений с одной винильной группой, хорошо полимеризуютс .The substances obtained — aryl (or alkyl) -vinylphosphinic acid esters and ethylene glycol — are thick, colored liquids that are soluble in a number of organic solvents and are not soluble in water. They copolymerize with other monomers and, unlike organophosphorus compounds with one vinyl group, polymerize well.

№ 148057- 2 Пример 1. Получение эфира фенилвинилфосфиновой ки-слотыNo. 148057- 2 Example 1. Preparation of Phenyl Vinyl Phosphine Kyl Sulfur Ester

и этиленгликол and ethylene glycol

7,5 г р-хлорэтилового эфира фенилвинилфосфиновой кислоты нагревали в колбе Вюрца при 210-220° в течение 5 часов. При этом от®гналось г дихлорэтана. Остаток прогрели при 200° и 4 лъи рт. ст. в течение 30 минут дл  удалени  следов дихлорэтана и непрореагированного исходного вещества. Остаток - эфир фенилвинилфосфиновой кислоты и этиленгликол  - представл л собой густую коричневую жидкость , не содержащую хлора, растворимую в бензоле, толуоле, спирте и не растворимую в воде.7.5 g of phenylvinylphosphonic acid p-chloroethyl ester was heated in a Würz flask at 210-220 ° for 5 hours. At the same time, g of dichloroethane was chased away. The residue was heated at 200 ° C and 4 liters. Art. within 30 minutes to remove traces of dichloroethane and unreacted starting material. The residue — phenyl vinylphosphinic acid ester and ethylene glycol — was a thick brown liquid that did not contain chlorine, soluble in benzene, toluene, and alcohol, and insoluble in water.

Пример 2. Полимеризаци  эфира фенилвинилфосфиновой кислоты и этиленгликол Example 2. Polymerization of Phenyl Vinyl Phosphinic Acid and Ethylene Glycol

Раствор 0,045 г перекиси бензоила в 1,5 г эфира и нагревали при 30- 35° в течение получаса, затем при 60-65° полчаса и при 80-85°-7 часов . Получали твердый, негорючий, ие растворимый в органических растворител х и неплавкий полимер.A solution of 0.045 g of benzoyl peroxide in 1.5 g of ether and heated at 30-35 ° for half an hour, then at 60-65 ° half an hour and at 80-85 ° -7 hours. A solid, non-flammable, soluble in organic solvents and a non-meltable polymer were obtained.

При нагревании его до 200° он становилс  резиноподобным, а при 240-250° обугливалс  и разлагалс .When heated to 200 °, it became rubber-like, and at 240-250 ° it became charred and decomposed.

Пример 3. Сополимеризаци  эфира фенилвинилфосфиновой кислоты и этиленгликол  со стироломExample 3. Copolymerization of Phenyl Vinyl Phosphinic Acid and Ethylene Glycol with Styrene

Смесь 1.2 г эфира, 12 г стирола и 0,2 г перекиси бензоила нагревали при 80°. Через3,5 часа жидкость потер ла текучесть, а через 5 часов стала стеклоподобным веществом.A mixture of 1.2 g of ether, 12 g of styrene and 0.2 g of benzoyl peroxide was heated at 80 °. After 3.5 hours, the fluid lost fluidity, and after 5 hours it became a glass-like substance.

При нагревании до 200° сополимер не плавилс , но становилс  резиноподобиым . Он не раствор лс  в бензоле, дихлорэтане и ацетоне, а только набухал в них. В открытом пламени не горел, а постепенно обугливалс .When heated to 200 ° C, the copolymer did not melt, but became rubberlike. It was not dissolved in benzene, dichloroethane, and acetone, but only swelled in them. It did not burn in an open flame, but gradually became charred.

Предмет изобретени Subject invention

Способ получени  эфиров арил- (или алкил)-винилфосфиновых кислот и этиленгликол , о тли чающийс  тем, что, с целью упрощени  процесса, р-хлорэтиловые эфиры арил- (или алкил)-винилфосфиновых кислот подвергают термической димеризации, например, при температуре 200-240°.The process for the preparation of aryl (or alkyl) vinylphosphinic acid esters and ethylene glycol, such that, to simplify the process, the aryl (or alkyl) vinylphosphinic acid p-chloroethyl esters undergo thermal dimerization, for example, at a temperature of 200 240 °.

SU744491A 1961-09-12 1961-09-12 Method for preparing aryl- (or alkyl-) vinylphosphinic acid esters and ethylene glycol SU148057A1 (en)

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SU744491A SU148057A1 (en) 1961-09-12 1961-09-12 Method for preparing aryl- (or alkyl-) vinylphosphinic acid esters and ethylene glycol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855359A (en) * 1970-03-27 1974-12-17 Stauffer Chemical Co Copolycondensed vinylphosphonates
US4067927A (en) * 1971-06-14 1978-01-10 Stauffer Chemical Company Copolycondensed vinylphosphonates and their use as flame retardants

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855359A (en) * 1970-03-27 1974-12-17 Stauffer Chemical Co Copolycondensed vinylphosphonates
US4067927A (en) * 1971-06-14 1978-01-10 Stauffer Chemical Company Copolycondensed vinylphosphonates and their use as flame retardants

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