What does parylene mean?
Definitions for parylene
pa·ry·lene
This dictionary definitions page includes all the possible meanings, example usage and translations of the word parylene.
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Wikidata
Parylene
Parylene is the trade name for a variety of chemical vapor deposited poly polymers used as moisture and dielectric barriers. Among them, Parylene C is the most popular due to its combination of barrier properties, cost, and other processing advantages. Parylene is green polymer chemistry. It is self-initiated and un-terminated with no solvent or catalyst required. The commonly used precursor, [2.2]paracyclophane, yields 100% monomer above 550 °C in vacuum and does not yield any by-products. That said there are alternative precursors to arrive at the parylene polymers that possess leaving groups as opposed to the cyclophane precursor, the most popular using bromine to yield the parylene AF-4 polymer. However, bromine is corrosive towards most metals and metal alloys and Viton O-rings so it is difficult to work with and precautions are needed. Parylene C and to a lesser extent AF-4, SF, HT are used for coating printed circuit boards and medical devices. There are numerous other applications as parylene is an excellent moisture barrier. It is the most bio-accepted coating for stents, defibrillators, pacemakers and other devices permanently implanted into the body.
Numerology
Chaldean Numerology
The numerical value of parylene in Chaldean Numerology is: 3
Pythagorean Numerology
The numerical value of parylene in Pythagorean Numerology is: 6
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"parylene." Definitions.net. STANDS4 LLC, 2024. Web. 7 May 2024. <https://www.definitions.net/definition/parylene>.
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