Teflon-a Non-Stick Surface hnathawh dan tur chu eng nge ni?

Teflon high-temperature cloth source siamtu Jiangsu Aokai New Materials chuan a hnuaia science awm chu a sawifiah a ni.Teflon (chemical name: Polytetrafluoroethylene, PTFE) non-stick property tha tak hi a bulpui ber chu core principle pahnih atanga lo chhuak a ni: low surface energy  leh a molecular structure danglam tak.

1. Surface Energy hniam tak tak

Hei hi non-stick performance-a physicochemical principle bulpui ber a ni.Surface energy hian solid surface chu liquid-in awlsam taka a hnim theih dan a hril a ni.

Teflon hian lei chunglam chakna a nei tlem hle ( 18.5 mN/m vel ), adhesive hman tlanglawn, oil, tui (tui chunglam tension chu 72 mN/m vel) aiin a hniam zawk hle.

-a a lan dan chuan Wetting theory , liquid chu solid surface-ah a darh thei a, a surface tension chu solid-a surface energy aiin a hniam zawk chauh a ni.Susstance tam zawk surface tension chu Teflon aiin a sang zawk avangin a surface an hnim thei lo. Chu ai chuan contact angle sang tak (a tlangpuiin > 90°, 120° hnaih pawh) neiin droplet (lotus hnah chunga tui ang chi)-ah an inzawm khawm zawk a ni.

Result : Adhesive substance leh Teflon inkara contact area tak tak chu a tlem hle a, chuvangin mechanical anchoring emaw chemical bonding tha tak a awm thei lo. Chuvangin bawlhhlawh te chu a slide off emaw, awlsam taka phihfai theih emaw a ni.

2. C–F Bonds chak tak leh Non-Polar Molecular Structure

Teflon molecular structure hi carbon backbone atanga siam a ni a, fluorine atom in a hual vel a ni.

·  Bond energy sang : Carbon–fluorine (C–F) bond hi organic chemistry-a bond chak ber pakhat a ni. Hei hian Teflon chu chemical lamah a stable hle a, thil zawng zawng deuhthaw (molten alkali metals leh fluorinating agents chak tak tlemte tih lohah chuan) inert hnaih tak a siam a ni. Thil sticky tak tak nen chemical bonds (covalent emaw strong hydrogen bonds) a siam lo.

·  Polarity hniam : Fluorine hi electronegative sang tak ni mahse, molecular chain-a a symmetrical arrangement chuan dipole moment pumpui chu a cancel chhuak vek a ni. Teflon hi non-polar, hydrophobic, leh oleophobic chak tak a ni.Tui (polar) leh oil (non-polar mahse surface tension sang) te hian Teflon nen hian intermolecular force lian tham (weak van der Waals forces) an siam thei lo.

3. Friction Coefficient hniam leh Non-Stick Performance inkara Synergy

Friction coefficient hniam hian solid–solid sliding a sawifiah ber nachungin, non-stick behavior a tichak a ni.

Teflon hian solid material zawng zawng (around zingah dynamic friction coefficient hniam ber pawl a nei a . 0.04)

Thil sticky te hian an innghah tum hian, a friction hniam lutuk hian a chunglam 'gripping' thei lo. Adhesion chak lo tak pawh ni se, pawn lam chakna emaw, gravity emaw tlem chuan material chu a slide a, a detach awlsam hle.

A chunga kan tarlan te hi Jiangsu Aokai New Materials Technology Co., Ltd.

Parameter kimchang, application scenario leh kan full-range products customized solutions te tan, Teflon high-temperature cloth, Teflon high-temperature tape, Teflon high-temperature mesh belt, bonding machine tan seamless belt, single-sided PTFE puan, high-temperature resistant conveyor belt, high-temperature resistant fiberglass puan, etc. hmangin min rawn biak theih reng e:

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