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Ile » Iroyin » Awọn oluranlọwọ ti PTFE Ti a bo Fabric o wọpọ ti a lo ninu Impregnation PTFE Emulsion - Itọsọna pipe

Awọn oluranlọwọ ti o wọpọ ti a lo ninu Impregnation PTFE Emulsion - Itọsọna pipe

Awọn iwo: 0     Onkọwe: Aago Atẹjade Olootu Aaye: 2026-06-17 Oti: Aaye

Beere

PTFE emulsion impregnation jẹ ilana mojuto fun iṣelọpọ PTFE aṣọ iwọn otutu giga . Pipin PTFE ipilẹ nikan kii ṣe nigbagbogbo tutu, wọ inu, tabi dipọ ni pipe si aṣọ gilaasi. Lati ṣaṣeyọri ibora aṣọ, ifaramọ to lagbara, ati awọn ipele ti ko ni abawọn, awọn aṣelọpọ ṣafikun ọpọlọpọ awọn oluranlọwọ iṣẹ.

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Aokai PTFE ti iṣapeye awọn agbekalẹ impregnation kọja ọpọlọpọ awọn ọja. Itọsọna yii ṣe alaye awọn oluranlọwọ ti o wọpọ julọ mẹjọ - kini wọn ṣe, bawo ni wọn ṣe n ṣiṣẹ, ati nigba lilo wọn.

PTFE_Emulsion_Impregnation_Line.png

Ririn ati Awọn Aṣoju Ti nwọle – Iparapọ Core

Aise PTFE emulsion ni o ni jo ga dada ẹdọfu, eyiti o nyorisi si ko dara infiltration sinu awọn okun ati awọn aso. Awọn aṣoju ọrinrin dinku ẹdọfu oju, gbigba emulsion lati tan kaakiri ati wọ inu daradara.

Iru

Awọn apẹẹrẹ

Awọn ẹya ara ẹrọ

Nonionic surfactants (akọkọ)

Awọn ethers polyoxyethylene ọti-ọra (jara AEO), alkyl polyglycosides (APG)

Idurosinsin, ibaramu jakejado

Fluorocarbon surfactants

Chemours Capstone jara (ẹwọn kukuru, PFOS/PFOA-ọfẹ)

Ẹdọfu dada ti o kere ju, ilaluja ti o dara julọ sinu awọn sobusitireti lile-si-tutu. Doseji gbọdọ wa ni iṣakoso muna lati yago fun iṣẹ ṣiṣe dada ibaje lẹhin sintering.

Akọsilẹ bọtini: Fluorocarbon surfactants jẹ imunadoko gaan ṣugbọn nilo iṣọra iwọn lilo. Excess le jade lọ si awọn ti a bo dada nigba sintering ati ki o din ti kii-stick iṣẹ.

Wetting_Agent_Effect_on_Fiberglass.png

Thickerers ati Rheology Modifiers - Ṣiṣakoṣo awọn Gbigbe Gbigbe

Thickeners ṣatunṣe iki emulsion lati ṣe idiwọ ṣiṣan ati ṣe ilana deede sisanra ti a bo.

Iru

Awọn apẹẹrẹ

Awọn ẹya ara ẹrọ

Awọn ethers cellulose

Hydroxyethyl cellulose (HEC), methyl cellulose (MC)

Omi-tiotuka, sun ni pipa patapata nigba sintering

Alka-swellable akiriliki thickeners (ASE)

ASE jara

Iṣiṣẹ giga, thixotropy adijositabulu (aiṣedeede pẹlu omi amonia)

Polyurethane associative thickeners (HEUR)

HEUR orisi

Ipele ti o dara julọ, egboogi-asesejade

Awọn ohun elo ti ko ni nkan ti ara ẹni

Yanrin ti o ni irun, bentonite

Mu thixotropy ati ooru duro; le din bo wípé

Italolobo ti o wulo: Fun tinrin, awọn aṣọ wiwọ aṣọ lori aṣọ wiwọ wiwọ, lo awọn ilana iki-kekere pẹlu iwuwo to kere julọ. Fun awọn aṣọ ti o wuwo tabi awọn aṣọ wiwọ-ìmọ, pọ si nipon lati ṣakoso ijinle ilaluja.

Emulsion_Viscosity_Comparison.png

pH Regulators ati Emulsion Stabilizers

Awọn emulsions PTFE jẹ imuduro gbogbogbo nipasẹ awọn ohun elo anionic ati titọju ni pH 9-10 lati ṣe idiwọ coagulation.

  • Omi Amonia (28 wt%): Olutọsọna ti a lo pupọ julọ. O ṣe iyipada patapata lakoko gbigbẹ / sintering, nlọ ko si awọn iṣẹku ti o ba iṣẹ ṣiṣe jẹ.

  • Awọn oludaniloju oluranlọwọ: Awọn ohun elo Anionic gẹgẹbi sodium dodecyl sulfate (SDS) ati alkyl sulfonate secondary (SAS) ṣe ilọsiwaju irẹwẹsi ti emulsion nigba fifa ati agitation.

Awọn olupolowo Adhesion - Awọn Resini Isopọmọ ati Awọn Aṣoju Isopọpọ

PTFE mimọ ni agbara imora alailagbara pupọ pẹlu awọn sobusitireti. Awọn olupolowo adhesion jẹ pataki.

1. Awọn aṣoju idapọpọ Silane

  • Awọn apẹẹrẹ: Aminosilane (KH-550), silane epoxy.

  • Mechanism: Lẹhin ti hydrolysis, wọn ṣe awọn ifunmọ kemikali pẹlu gilaasi - Si-O-Si awọn ifunmọ laarin silane ati gilasi, ati awọn ẹgbẹ iṣẹ ṣiṣe Organic ti o nlo pẹlu PTFE tabi awọn polima miiran.

  • Išọra: Gbọdọ jẹ afikun ni pẹkipẹki lati yago fun fifọ emulsion. Pre-hydrolysis tabi lẹhin-itọju (filo si fabric ṣaaju ki o to impregnation) ni a ṣe iṣeduro.

2. Giga-otutu sooro imora resini dispersions

  • Awọn apẹẹrẹ: Awọn pipinka omi ti polyamide-imide (PAI), polyphenylene sulfide (PPS), polyethersulfone (PES).

  • Ohun elo: Awọn ohun elo mojuto fun awọn ohun elo ti kii ṣe igi ati awọn ohun elo ti o wọpọ fun awọn media àlẹmọ fiberglass impregnated ati awọn ohun elo awo. Wọn ṣe ilọsiwaju ifaramọ ati isọdọkan ni akojọpọ ipari.

Awọn iranlọwọ Fiimu-Ṣiṣe – Dinku iwọn otutu Sintering

PTFE ni o ni lalailopinpin giga yo iki. Awọn oluranlọwọ iṣelọpọ fiimu dẹrọ idapọ patiku lakoko sisọ.

  • PFA (perfluoroalkoxy resini) – kekere yo ojuami ju PTFE

  • FEP (fluorinated ethylene propylene copolymer) - aaye yo kekere ju PTFE

Awọn fluoropolymers yo-processable wọnyi ṣe awọn ipele isunmọ didà laarin awọn patikulu PTFE lakoko sisọpọ, imudara ti a bo ati ifaramọ interfacial. Wọn wulo paapaa fun awọn ideri ti o nipọn tabi nigbati awọn iwọn otutu sintering kekere ba fẹ.

Awọn kikun iṣẹ-ṣiṣe - Awọn ohun-ini Aṣa lori Ibeere

Awọn kikun ti wa ni tuka taara sinu emulsion lati fun awọn ohun-ini kan pato.

Filler Iru

Awọn apẹẹrẹ

Idi

Wọ-sooro fillers

Nano/micron alumina, silikoni carbide, yanrin

Mu abrasion resistance

Conductive / antistatic fillers

Erogba dudu, graphite, erogba nanotubes (pẹlu awọn kaakiri)

Pa idiyele aimi kuro

Awọn awọ awọ

Iron oxide dudu, titanium oloro

Ifaminsi awọ, UV resistance

Pàtàkì: Awọn ohun elo kikun nilo awọn kaakiri wiwọ ti o yẹ (fun apẹẹrẹ, polycarboxylates) lati ṣe idiwọ agglomeration ati rii daju pinpin aṣọ.

PTFE_Coating_Wear_Resistance_Comparison.png

Defoamers - Idilọwọ awọn Pinholes

Fọọmu ti o lagbara waye lakoko impregnation, nfa awọn abawọn pinhole lori awọn aṣọ.

Iru

Awọn ẹya ara ẹrọ

Awọn olufọfọmu ti ko ni silikoni (ti o fẹ)

Polyether-orisun, erupe epo-orisun. Imukuro eewu ti awọn iṣẹku silikoni ti o ni kikọlu pẹlu ifaramọ keji tabi itọju dada.

Silikoni defoamers

Agbara yiyọ foaming ti o lagbara, ṣugbọn lilo jẹ opin si awọn ohun elo nibiti aloku silikoni ti wa ni itẹwọgba.

Iṣeduro: Fun awọn teepu PTFE ti yoo ṣee lo ni isunmọ iṣẹ-giga tabi awọn ohun elo ti a bo, awọn defoamers ti ko ni silikoni ni o fẹ gidigidi.

Awọn Humectants Ṣiṣe Fiimu – Lilo Igbakọọkan

Wa kakiri awọn olomi-simi-ojuami giga tabi awọn polyols (propylene glycol, ethylene glycol) ti wa ni afikun lẹẹkọọkan lati fa fifalẹ gbigbe omi ati ki o ṣe idiwọ jijo lati gbigbe ni iyara.

Pataki: Iwọnyi kii ṣe lilo ni awọn ilana isunmọ, nitori gbogbo awọn paati Organic gbọdọ jẹ ni kikun ni kikun lakoko sisọ. Lilo ilokulo le fi awọn iṣẹku erogba silẹ.

Lakotan – Yiyan Package Iranlọwọ Ọtun

Ibi-afẹde

Iranlọwọ Iranlọwọ

Mu wetting ati ilaluja dara

Nonionic tabi fluorocarbon oluranlowo ririn

Iṣakoso bo iwuwo

Thickerer (cellulose tabi HEUR)

Stabilize emulsion, dena coagulation

pH eleto (omi amonia) + anionic amuduro

Fi okun PTFE-sobusitireti mnu

Aṣoju idapọ Silane tabi PAI/PPS resini pipinka

Ṣe ilọsiwaju iṣelọpọ fiimu, iwọn otutu ti o dinku

PFA tabi FEP pipinka

Ṣafikun resistance resistance

Alumina tabi ohun alumọni carbide kikun

Ṣafikun iṣẹ ṣiṣe

Erogba dudu, graphite, tabi CNT

Dena awọn pinholes lati foomu

Silikoni-free defoamer

Gbigbe lọra fun awọn aṣọ ti o nipọn

Humectant (propylene glycol) - lo ni iwọnwọn

Aokai PTFE le ṣe agbekalẹ awọn idapọmọra impregnation aṣa fun awọn ohun elo kan pato. Kan si wa pẹlu sobusitireti rẹ, ibeere sisanra ti a bo, ati awọn ibi-afẹde iṣẹ.

Awọn loke akoonu ti wa ni pese nipa Jiangsu Aokai New Materials Technology Co., Ltd.

Ti o ba fẹ lati ni imọ siwaju sii nipa awọn alaye ni pato, awọn oju iṣẹlẹ ohun elo ati awọn solusan ti a ṣe adani fun iwọn ọja wa ni kikun, pẹlu awọn aṣọ otutu otutu PTFE, awọn teepu iwọn otutu PTFE wa, awọn beliti mesh PTFE, awọn beliti ẹrọ ifunmọ, asọ PTFE-apa kan, iwọn otutu sooro conveyor ati beliti sooro fiberglasture jọwọ kan si awọn beliti fiberglas.

Nigbagbogbo a ṣe atilẹyin imoye ti iṣẹ-ṣiṣe ati iduroṣinṣin, ati pe a pinnu lati pese fun ọ pẹlu awọn ojutu iduro-ọkan ati awọn iṣẹ ironu.


Ọja iṣeduro

Ọja Ìbéèrè

Awọn ọja ti o jọmọ

Jiangsu Aokai Ohun elo Tuntun
AoKai PTFE jẹ alamọdaju PTFE Ti a bo Fiberglass Fabric Awọn iṣelọpọ ati awọn olupese ni Ilu China, amọja ni ipese PTFE alemora teepu, PTFE Conveyor igbanu, PTFE Mesh igbanu . Lati ra tabi osunwon PTFE ti a bo fiberglass fabric awọn ọja. Ọpọlọpọ iwọn, sisanra, awọn awọ wa ti adani.

Awọn ọna asopọ kiakia

Ẹka Ọja

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