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Vulcanization: Vulcanization is very widely used in rubber technology to improve the properties such as low tensile strength, plastic nature, thickness etc. by adding some chemicals like sulphur, hydrogen sulphide, benzene chloride etc. it is done by heating of raw rubber with sulphur at 100: 140 degree centigrade temperature. The added sulphur combines chemically as the double bonds of different rubber springs. Sulphur can also bring about vulcanization without affecting the double bonds in the polymer molecule, by eliminating H2S. The rate of vulcanization of rubber is quite slow and also depends upon the types and quality of rubber used. But, by using certain organic compounds called accelerators, vulcanization reaction speed up.
Applications of photochemistry in day today life
Structural needs for hyperconjugation (i) Compound could comprise at least one Sp 2 -hybrid carbon of as well alkene alkyl carbocation or alkyl free radical. (ii) ∝- carbon
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what is free radical mechanisms
which one contain greater number of moles:96gH2SO4 64gO2 48gch4 10gH2
can u tell me what happens with ionic compounds when heat is given??
I have a very difficult chemistry online assignment due in and I need help.
Consider a 2-component system of cyclooctane(1) and styrene(2) at 350 °C. Both component can be well described with the Soave-Redlich-Kwong equation of state in the mixed vapor and
Disperse dyes: These dyes are utilized to colour synthetic fabrics for example orlon, polyesters, nylon and cellulose acetate that comprise tightly bounded structures. The dyes
why zinc extracted from zinc oxide through reduction with co? Ans) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negative ΔG value then CO
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