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| Titel: |
ARYLENECYCLOSILOXANE-DIMETHYLSILOXANE COPOLYMERS |
| Auteur: |
Mukbaniani, O. V. Karchkhadze, M. G. Khananashvili, L. M. Koiava, N. A. |
| Verschenen in: |
International journal of polymeric materials |
| Paginering: | Jaargang 52 (2003) nr. 10 pagina's 877-889 |
| Jaar: |
2003-10 |
| Inhoud: |
The reaction of heterofunctional condensation (HFC) of 1,4-bis(phenyldichlorosilyl)benzene with dihydroxydiphenylsilane at initial ratio of 1:4, led to tetrakis(hydroxydiphenylsiloxy)-1,4-bis(phenylsilyl)benzene. By heterofunctional condensation of the tetrakis(hydroxydiphenylsiloxy)-1,4-bis(phenylsilyl)benzene with organotrichlorosilanes at 1:2 ratio dichloro-containing arylenecyclosiloxanes were obtained. The dichloroarylenecyclosiloxanes has been obtained by successive heterofunctional condensation of 1,4-bis(dichlorophenylsilyl)benzene with dihydroxydiphenylsilane and organotrichlorosilanes at 1:4:2 ratio. By hydrolysis of dichloroarylenecyclosiloxanes in neutral condition the corresponding dihydroxy compounds were obtained. By heterofunctional polycondensation of dichloro(dihydroxy)arylenecyclosiloxanes with α, s-dihydroxy (bisdimethylamino)dimethylsiloxanes arylenecyclosiloxane-dimethylsiloxane copolymers were obtained. Thermogravimetric, thermomechanical and X-ray investigations of the synthesized copolymers have been carried out. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 1 van 7 gevonden artikelen
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