Hydrophobicity of Silicones
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North American (General) North American (US General American - GenAM)Transcript
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The hydrophobic city of silicones is also due to the presence of low molecular weight species LM. W. In the material. The LM. W species originate from the processing of the material and are formed by the thermodynamic equilibrium reactions. If the silicone surface becomes hydra filic due to aging, the difference in concentration of LM. W. Species in the bulk and on the surface of the material will initiate a diffusion process. The diffusion rate from the bulk to the surface depends on the temperature and on the length of the silicone chains in the LM. W. Species.