Organosiloxanes nau'i ne na manyan mahadi {{0} kwayoyin halitta tare da Si{1} ○ -Si bonds a matsayin babban sarkar da rukunin kwayoyin halitta kai tsaye da ke haɗe zuwa siliki atom. Tsarin tsarin su na gaba ɗaya shine kamar haka:(R. sio-m /2). Anan, R yana wakiltar ƙungiyoyin halitta irin su methyl, phenyl, vinyl, da dai sauransu, kuma "shine matakin polymerization. Kamar mahaɗan polymer gama gari, ana iya rarraba polysiloxanes na al'ada zuwa cikin layi, reshe - sarkar, giciye - alaƙa da sauran nau'ikan bisa ga bambance-bambancen tsarin sarkar.
Hanyoyin shirye-shirye na polysiloxanes na halitta za a iya kusan raba su zuwa manyan nau'i biyu: polycondensation da zobe -openingpolymerisation.Polycondensation wani nau'in sinadari ne wanda masu monomers masu ƙungiyoyi biyu ko fiye suna amsawa da juna don samar da manyan mahadi na kwayoyin halitta, yayin da suke samar da ƙananan ƙwayoyin cuta. Ring -bude polymerization wani nau'in ƙari ne na amsawar polymerization, ma'ana cewa ba ƙaramin - kwayoyin halitta ta- da aka fitar yayin aiwatar da martani. Sabili da haka, sinadarai na ƙari na polymer daidai yake da na farkon monomer.