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Plasma cleaning instrument PDMS
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Published on:
16 Oct,2020
Plasma cleaning instrument PDMS:
Polydimethylsiloxane, or PDMS for short, is an organosilicon polymer, plasma cleaning device cleaning PDMS is widely used at home and abroad. All organosilicon have a common siloxane unit, which is composed of one siloxane group. Many side groups can bind to silicon atoms, and PDMS of these side groups are CH3 methyl groups. Si-sh3 is the most common polymer, and its content is also high. A short molecule consisting of only two terminal groups (without dimethylsiloxane monomer units) is hexamethyldisiloxane, which is very important as a process gas for hydrophobic plasma coating plasma cleaning apparatus.
PDMS is a linear polymer with a very large molecular weight and is liquid. But it binds to each other and thus has elastic properties. PDMS is a nearly inert polymer with high oxidation resistance that can also be used as an electrical insulating material (microelectronics or polymer electrons) in organic electronics, as well as in biological microanalysis. One of the most common applications for PDMS is in the field of microfluidic systems, where specified polydimethylsiloxane (e.g. Sylgard184) is structured upon request, plasmacytreated, and PDMS chips are permanently coated on glass panels, silicon surfaces, or other substrates.
Advantages of pretreatment of plasma cleaning instrument for microflow system:
Shorten processing time;
PDMS is permanently attached to the substrate surface to form a non-permeable channel of the microfluidic element.
The substrate surface of PDMS and hydrophilicity, and thereby completely wetting the channel;
Form hydrophilic and hydrophobic waters.
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