Physical non-adhesion means that medical stainless steel produces a layer of dense atoms on the metal surface by heating, so as to achieve the effect of non-adhesion.
The principle of physical non-stick pan is very similar to that of lotus leaf, and its surface structure also has many needle-like protrusions, the size spacing is less than or equal to the molecular size, so that the food molecules on the surface will not stick to the pan.
Extended data
1, Teflon nonstick pan
Teflon is a transliteration of Teflon. Teflon is a registered trademark used by DuPont in a series of fluoropolymer products.
Subsequently, DuPont developed a series of products except teflon PTFE resin, including teflon; AF (amorphous fluoropolymer), Teflon; FEP (fluorinated ethylene propylene resin), Teflon; FFR (fluoropolymer foam resin), Teflon; NXT (fluoropolymer resin), Teflon; PFA (perfluoroalkoxy resin), etc.
1954, Colette, the wife of French engineer Marc Gregoire, had a whim that Teflon, a non-stick material used by her husband to coat fishing lines to prevent knots, would have a good effect if it could be used in frying pans. The "non-stick pot" that saved countless modern housewives was born.
2, ceramic coating non-stick pan
Ceramics played an important role in the upgrading process of non-stick pan. The performance of ceramics is stable, and its safety has been fully proved after thousands of years of use. Nano-technology is used to make the surface of the product dense and pore-free, so as to achieve the effect of non-sticking.
References:
Baidu encyclopedia-nonstick pot