Used in plastics:
Thio-compounds for more stable polymers
In the plastics industry, organic thio-compounds are used as additives or stabilisers to enhance certain characteristics of plastics. You can, for example, increase the strength and elasticity of materials, improve their thermal stability or protect them from degradation through oxidative processes.
High reactivity with polymers
Due to the sulphur-sulphur or sulphur-hydrogen bond, organic thio-chemicals are highly reactive. Hence, thio-compounds can easily interact with polymer chains and modify their characteristics.
Stabilisation of plastics
Thio-compounds such as thio-salts can protect plastics from various decaying and aging processes. They can, for example, catch free radicals, prevent oxidative degradation and improve the thermal stability of plastics.
Crosslinking polymer chains
Organic thio-chemicals such as dimethyl sulfoxides can also act as cross-linkers: They can combine polymer chains and, by doing so, improve the strength and elasticity of plastics. This leads to greater mechanical strength and improved fracture behaviour.
Mercaptans to improve crosslinking
Frequently mercaptans (also known as thiols) are used in plastics to act as crosslinkers or impact modifiers. They react with the polymer chains, crosslink them and, by doing so, improve the strength and elasticity of the material.
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