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Payvasthoi organikii silisiy

Payvasthoi organikii silisiy, payvasthoi khimiyavie, ki dar molekulaashon bandi silisiy- karbon (Si—S) dorand. Payvasthoi organikii silisiy ba guruhhoi zerin chudo meshavand; 1) organogalogensilnho yo alkil (aril) galogenenlanho RnSiX4_u; organogidridgalogensilanho RnSiHmX4(n + sh) (X —aksar vaqt Cl); organoasioksisilanho RnSi(0R/)4_n; organoasiloksisilanho RnSii(OCOR,)4_n; organoaminosilanho RnSi(NH2)4_n. 2) Organosilanho RnSi>H4_n. 3) Organosiloksanho R3SiOSiR3, R3SiOSi (R2)OSiR3 va gayra; siklosiloksalho (R2SiO) n (n = 3—10, aksar 3—-4). 4) Payvasthoi geterosikli, masalan, dimetilsilasiklobutan

SNo

(C%)2Si<(       )>SN2

sn2

Payvasthoi organikii silisiyro dar sanoat asosan az tasiri bevositai alkilkhloridho (yo arilkhloridho) ba silisiy dar ishtiroki mis, inchunin reaksiyam payvasthoi metalloorganiki, kondensasiyai termi, degndrokondensatsiya va gayra hosil mekunand.

Aksari Payvasthoi organikii silisiy  moei berang (tanho bazeashon masalan, siklosiloksanho moddahoi kristalliand) buda, az tasiri garmi vay­ron nameshavand. Onho dar karbogid- ridho, karbogidridhoi khloronidashuda, efirho va digar halkunandahoi organiki nagz hal meshavand. Payvasthoi organikii silisiyro dar istehsoli kauchuk va mahlulhoi silisiyorganiki, tayyor namudani qolabhoi rekhtagari va gayra is­tifoda mebarand.

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MUGSU

MUGSU, daryoest dar payoni Jirgatoli Respublikai Sovetii Sotsialistii Tojikiston. Az yak shudani daryohoi Seldara va …