Question

polysiloxanes - short note/pls

Answer 1

Polysiloxanes are the most common and one of the most important organosilicon polymers used in polymer chemistry. The silanol, SiO(Me)2, is the key functional group in the synthesis of these polymers. It is very important to understand the chemistry of the individual elements of the polymer as well as the behavior of the functional group in order to understand the characteristics of polysiloxane polymers.

Silicon is a Group 4 (IVA) element found in the periodic table beneath carbon, and it is, by far, the most abundant element in the Group 4 elements. Some of its characteristics are similar to carbon, but overall it can be seen as a completely different element. It makes up 27% of the earth's crust by mass and it is second in abundance in the world (after oxygen). Silicon has semi-metallic properties, thus, it is important in the semiconductor industry with wide ranges of applications in computers and solar energy collection. It is very rare to find silicon by itself in nature; it is usually bound to oxygen as either SiO2 or SiO4. Silicon dioxide has many forms found in nature, the most common being quartz, a major constituent of sandstone and granite, as well as being a major component of glass.



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Answer 2

this is a short note which I can give from net