SU311935A1 - METHOD FOR PRODUCING CARBORANE-CONTAINING POLYMERS - Google Patents

METHOD FOR PRODUCING CARBORANE-CONTAINING POLYMERS

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Publication number
SU311935A1
SU311935A1 SU1345262A SU1345262A SU311935A1 SU 311935 A1 SU311935 A1 SU 311935A1 SU 1345262 A SU1345262 A SU 1345262A SU 1345262 A SU1345262 A SU 1345262A SU 311935 A1 SU311935 A1 SU 311935A1
Authority
SU
USSR - Soviet Union
Prior art keywords
carborane
containing polymers
producing
hydroxymethyl
bis
Prior art date
Application number
SU1345262A
Other languages
Russian (ru)
Original Assignee
И. Г. Саришвили, А. Ф. Жигач, Б. А. Акимов, Ю. А. Спирин , В. К. Грищенко
Publication of SU311935A1 publication Critical patent/SU311935A1/en

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Изобретение касаетс  получени : азотсодержащих поликарбонов. Известны способы получени  карборансодержащих полиэфиров, полисилоксанов, полиоксидиазолов . Предложен способ получени ; карборансодержащих полимеров, например полиизопренкарбораниламина , обладающих повышенной теплостойкостью и адгезионными свойствами, поликонденсацией бис (гидроксиметил) карборана с олигоизопрендиаминами общей формуHgN-ai- cHa-c-CH-CHej а1-№12 где R - СНз, -С2Н5, Н; RI - алкиленовый радикал. Процесс осуществл ют при температуре 160-180°С. Получаемые полимеры  вл ютс  св зующими дл  термостойких пластмасс, полученных после отверждени  с помощью диизоцианатов или эпоксидных смол. Пример 1. Смесь, состо щую из 1,6 г (0,00145 моль) олигоизопрендиамина (R - -СНз, R -СНз-) и 0,3 г (0,00147 моль) бис (гидроксиметил) карборана, помещают в стекл нную пробирку и нагревают с помощью масл ной бани 50 час при температуре 160-ISOC. О ходе процесса суд т по увеличению молекул рного веса продукта. Полученный продукт представл ет собой прозрачную светло-желтого цвета смолу с температурой разм гчени  около 70°С, растворимую в углеводородах ароматического р да и нерастворимую в спирте и воде. Молекул рный вес продукта 2540 (определен криоскопическим методом ). Элементарный состав (в %): В 8,65; С 77,80; Н 11,22; N 2,24. Пример 2. Смесь, состо щую из 1,5 г (0,00140 моль) олигоизопрендиамина (R - -CzHs; R, -СНг-СНа-) и 0,3 г (0,00147 моль) бис (гидроксиметил) карборана, помещают в стекл нную пробирку и нагревают с помощью масл ной бани 55 час при температуре 160-180°С. Полученный продукт - прозрачна , светло-желта  смолоподобна  масса с т. разм г. 50°С. Продукт растворим в углеводородах ароматического р да и нерастворим в воде. Молекул рный вес 2400. Элементарный состав (в%): В 8,30; С 74,2; И 11,3; N 2,20. Предмет изобретени  Способ получени  карборансодержащих полимеров , отличающийс  тем, что, с целью расширени  ассортимента борсодержащих полимеров , олигоизопрендиамины подвергают поликонденсации с бис(гидроксиметил)карбораном при нагревании.The invention relates to the production of: nitrogen-containing polycarbons. Methods for the preparation of carborane-containing polyesters, polysiloxanes, polyoxydiazoles are known. A method of production is proposed; carborane-containing polymers, for example polyisoprenecarboxylamine, possessing high heat resistance and adhesive properties, polycondensation of bis (hydroxymethyl) carboran with oligoisoprenediamines of the general form HgN-ai-cHa-c-CH-CHej a1-No.12 where R is CH2, -C2H5, H RI is an alkylene radical. The process is carried out at a temperature of 160-180 ° C. The resulting polymers are binders for heat-resistant plastics obtained after curing with diisocyanates or epoxy resins. Example 1. A mixture consisting of 1.6 g (0.00145 mol) of oligoisoprandiamine (R — —CH 3, R — CH 3) and 0.3 g (0.00147 mol) of bis (hydroxymethyl) carboran is placed in a glass This tube is heated with an oil bath for 50 hours at a temperature of 160-ISOC. The process is judged by the increase in the molecular weight of the product. The resulting product is a light yellow transparent resin with a softening temperature of about 70 ° C, soluble in aromatic hydrocarbons and insoluble in alcohol and water. The molecular weight of the product is 2540 (determined by the cryoscopic method). Elementary composition (in%): H 8.65; C 77.80; H 11.22; N 2.24. Example 2. A mixture consisting of 1.5 g (0.00140 mol) of oligoisoprandiamine (R - -CzHs; R, -CHH-CHA) and 0.3 g (0.00147 mol) of bis (hydroxymethyl) carboran, placed in a glass test tube and heated with an oil bath for 55 hours at a temperature of 160-180 ° C. The resulting product is a transparent, light yellow, resinous mass with a volume of 50 ° C. The product is soluble in aromatic hydrocarbons and insoluble in water. Molecular weight 2400. Elemental composition (%): B 8.30; C, 74.2; And 11.3; N 2.20. The subject of the invention is a method for the preparation of carborane-containing polymers, characterized in that, in order to expand the range of boron-containing polymers, oligoisoprenediamines are subjected to polycondensation with bis (hydroxymethyl) carborane when heated.

SU1345262A METHOD FOR PRODUCING CARBORANE-CONTAINING POLYMERS SU311935A1 (en)

Related Child Applications (1)

Application Number Title Priority Date Filing Date
SU874343643A Addition SU1554029A2 (en) 1987-12-14 1987-12-14 Analog memory device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871826A (en) * 1987-06-22 1989-10-03 Massachusetts Institute Of Technology Lewis base adducts of decaborane for forming new preceramic polymers, using as binders, forming shaped bodies and forming fibers
US5026809A (en) * 1987-06-22 1991-06-25 Massachusetts Institute Of Technology Lewis base adducts of decarborane for forming new preceramic polymers, using as binders, forming shaped bodies and forming fibers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871826A (en) * 1987-06-22 1989-10-03 Massachusetts Institute Of Technology Lewis base adducts of decaborane for forming new preceramic polymers, using as binders, forming shaped bodies and forming fibers
US5026809A (en) * 1987-06-22 1991-06-25 Massachusetts Institute Of Technology Lewis base adducts of decarborane for forming new preceramic polymers, using as binders, forming shaped bodies and forming fibers

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