KIRISH………………………………………………………………….
I BOB. GIDROFIL POLIMER GELLAR, ULAR ASOSIDA KOMPOZITLAR SINTEZI VA XOSSALARI (ADABIYOTLAR TAHLILI) 12
I.1.
Ko‘ndalang bog‘langan polimer gellar…………………..……....12
I.2.
Ko‘ndalang bog‘langan polivinil spirt olish usullari va xususiyatlari.....................................................................................19
I.3.
Magnetitli kompozit materiallarning olinishi va qo‘llanilish sohalari.............................................................................................24
I.4.
Polimer eritmalar haqida nazariyalar................................................29
1.5.
Polimer gellarning bo‘kish termodinamikasi....................................35
I.5.
Gellarning bo‘kish kinetikasini o‘rganish usullari……………….38
II BOB. TADQIQOT OB’EKTLARI VA USULLARI, TARKIBIGA MAGNETIT KIRITILGAN PVS GELINI OLISH ……………………..41
II.1.
Materiallar va reaktivlar...................................................................41
II.2.
Tadqiqot usullari...............................................................................41
II.3.
Ko‘ndalang bog‘langan polivinil spirtni sintez qilish ......................41
II.4.
PVS tarkibiga magnetit zarrachalarini kiritish usuli ……………..53
II.5.
Tarkibiga magnetit zarrachalari kiritilgan PVS geli tarkibining tahlili................................................................................................55
III-BOB. TARKIBIGA MAGNETIT KIRITILGAN PVS GELIBO‘KISHNING TERMODINAMIKASI VA KINETIKASI....................59
III.1.
Magnetit zarrachalari kiritilgan polivinil spirti gelining turli tuzlar eritmalarida bo‘kish jarayoni termodinamikasi………..…………59
III.2.
Sferik va sferik bo‘lmagan gel granulalarining bo‘kish jarayonini taqqoslash………………....………………………….……….…..59
III.3.
Magnetitning PVS geli granulalariga ta’siri.....................................68
III.4.
Magnetitsiz va magnetitli PVS gelining kaliy va magniy xlorid eritmalarida bo‘kish kinetikasi………………………………..…71
III.5.
PVS geli va magnetit zarrachalari kiritilgan PVS gelining Na2CO3 va NH4Cl eritmalarida bo‘kish kinetikasi…………………………80
III.6.
Turli konsentratsiyali kuchli kislotalar eritmalarida polivinil spirt gelining bo‘kishi………………………………………….………86
III.7.
PVS hamda magnetit zarrachalari kiritilgan PVS gelining ayrim organik moddalar eritmalarida bo‘kish kinetikasi………………….89
III.7.1.
Magnetit zarrachalari kiritilgan PVS gelining C3H7COONa vaC2H4(COONa)2 eritmalarida bo‘kish kinetikasi o‘rganish……..…90
III.7.2.
PVS geli va magnetit zarrachalari kiritilgan PVS geliningCH3COOH eritmalarida bo‘kish kinetikasi………………….……94
IV-BOB. REAGENTSIZ USULDA ARALASHMALARNI AJRATISH99
IV.1.
Kaliy xlorid va xlorid kislota aralashmasini ionit-ekstraksion usulda ajratish…………………………………………………….102
XULOSALAR...............................................................................................106
ADABIYOTLAR..........................................................................................107
SHARTLI BEGLILASHLAR RO‘YHATI…………………………….121
ILOVALAR..................................................................................................123
