PTFE Emulsion-a Thickeners hnathawh dan – A chanvo pawimawh 4

Views: 0 Author: Site Editor A chhuah hun: 2026-06-25 A chhuahna: Hmun

A siam chhuahnaah chuan PTFE high-temperature fabric , impregnation step-ah hian PTFE emulsion (aqueous dispersion) hman a ni. Mahse raw PTFE emulsion chauh hi a tha taka process a harsa hle. A rheological behavior leh stability tihdanglam nan thickeners an dah tel bawk.

Engati nge? PTFE resin hian density sang tak a nei a, a settle duh hle. Thickeners awm lo se chuan emulsion chu a inthen ang a, puan chhungah a lut thuk lutuk ang a, a nih loh leh coating inang lo tak tak a siam ang.

Aokai PTFE hian impregnation formulation tam takah thickener thlan dan a ti tha hle. He thuziak hian PTFE emulsion-a thickener-te hnathawh bulpui pali a sawifiah a ni.

Suspension Stabilization & Anti-Settling tih a ni bawk

PTFE resin hian density sang tak (2.2 g/cm³ vel) a nei a, tuiah hian a settle leh harden nasa hle thin. Stabilization awm lo chuan emulsion chu sediment tamna layer leh clear liquid layer-ah a inthen a – chu chuan consistent coating atan hman theih loh a ni.

Thickener hnathawh dan: Thickener hian aqueous phase viscosity nasa takin a tisang a, network structure a siam a, chu chuan resin particles a thlawp a ni. Hei:

Emulsion shelf life a ti rei – ni tam tak hman theih ai chuan thla tam tak chhung hman theih a ni
phase separation a veng Transportation leh storage laiin
Caking – container hnuai lama sediment khauh tak chu a ti bo

Aokai PTFE note: Ni 30 chhunga dah emulsion tan chuan hman hmain re-homogenization kan rawt a, thickener hmang pawhin, hun rei tak chhunga static storage hian slow settling a la thlen thei a ni.

Thickener_Network_Structure chu a rawn chhuak leh ta a.png

Processing awlsam zawk nan Shear-Thinning Behavior hman a ni

Thickeners hian emulsion chu shear-thinning (pseudoplastic) behavior a pe a: chawlh laiin viscosity sang tak, agitation hnuaiah viscosity hniam.

Dinhmun	Viscosity a awm	Chhawr tangkai
Chawlh laiin (tank chhunga ding) .	Sang	PTFE particle te settling a veng
Agitation/mixing lai hian	Hniam	Pump awlsam tak, homogeneous blending a ni
Coating/impregnation lai hian	A hniam (shear hnuaiah) .	Leveling mumal tak, fiberglass chhunga thuk taka luh theihna
Coating (static) hnuah .	Dam chak tak a ni	Vertical surface-a sagging a ti bo a, streak a veng bawk

Practical impact: Dip coating lai hian emulsion chu shear hnuaiah fiberglass fabric chhungah zalen takin a luang lut a, chutah chuan coating zawhah a thick nghal a, chu chuan drips awm lovin uniform wet film thickness a vawng reng thei a ni.

Penetration Depth & Coating Weight tihfel dan tur

Fiberglass puan ang chi porous substrate impregnate hian thickeners chi leh dose siamrem hian emulsion penetration depth chu chiang taka control theih a ni.

Penetration Depth a ni	Nghawng
A thuk lutuk	Resin tam lutuk chu puan chhungah a lut a – resin pick-up sang, kut khauh tak hriatna, thil hmanral
A thuk lutuk	Fabric chunglamah resin tling lo – non-stick property tha lo, fiberglass langsar tak
A tha ber	Balanced – PTFE hian fibers a encapsulate a, a chunglam a hrual a, a flexibility a tha hle

Thickener-te hian hei hi an control dan: Viscosity sang zawk hian penetration a ti slow a, a chung lamah resin tam zawk a awmtir. Viscosity hniam zawk chuan fiberglass bundle chhungah thuk zawkin a lut thei a ni. Hei hian thil siam zawh tawhte final resin loading leh hand feel a tichiang a ni.

Film Uniformity tihchangtlun & Residue-Free Sintering tihchangtlun

1. Drying laiin film uniformity

Thickeners atanga viscosity tling:

Drying laiin moisture migration chak tak avanga cracking awm chu a titawp
Coating thickness inang lo (thick edges, thin center) a veng
Flat, continuous primary film siamna a ti awlsam
Emulsion chu edge-ah a migrate na 'coffee ring effect' a tihtlem

2. A mamawh pawimawh ber – residue-free sintering

PTFE emulsion hian 380°C vel ah sintering a mamawh a ni. PTFE particle te chu film kal zelah fuse turin Hei hian thickeners te tan mamawh danglam tak a rawn keng tel a ni:

Thickener thlan bikte chu hetiang temperature-ah hian residual ash awm lovin a kang vek tur a ni.

Thickener Quality tha tak a ni	Sintering hnuah Result
High-purity, kang thei vek	PTFE coating thianghlim, rawng dum thianghlim, electrical insulation kimchang
Inorganic residue te nen	Ash spot, yellow discoloration, dielectric strength tlahniam, coating chhiatna

Aokai PTFE hian cellulose-based thickeners (eg, methyl cellulose) a hmang a, 380°C-ah a kang vek a, vut a awm lo. Thickener-ah hian inorganic salt emaw metal oxide emaw, residue hnutchhiah emaw awm loh kan rawt a ni.

PTFE_Coating_Sintering_Residue.png. A chhuahna tur hmun leh a hmanna tur hmun

Thupui – PTFE Emulsion atana Thickener thlan dan tur

Thiltih	Thil mamawh a ni
Suspension tihngheh a ni	High-density PTFE particles support turin network structure a siam thin
Shear-thinning a ni	Pump, coating, leh penetration awlsam tak a siam thei
Penetration control dan tur	Resin pick-up leh fabric hand feel a siam tha
Film uniformity a ni	Cracking leh uneven drying a veng
Residue awm lohna sintering (a pawimawh hle) .	~380°C-ah a kang vek tur a ni – zero ash, zero color change

Aokai PTFE hian thickeners a thlang a, chu chuan function palite chu a balance vek a, chutih rualin sintering laiin a kang kim vek bawk. Custom impregnation formulations atan chuan thickener type leh dosage chu i specific coating weight leh fabric penetration mamawh ang zela kan siamrem thei a ni.

He technical brief hi a pe a ni Jiangsu Aokai thil thar hmanraw siamtu Co., Ltd.

PTFE high-temperature fabrics, PTFE adhesive tapes, PTFE mesh belts, seamless fusing machine belts, single-sided PTFE coated cloth, heat-resistant conveyor belts leh high-temperature fiberglass fabrics te pawh huamin kan product range pum pui atana detailed specifications, application cases leh customized solutions i mamawh a nih chuan a hnuaia channel hmang hian min rawn biak theih reng e:

Pu Guo-a chuan: +86 18944819998 biak theih a ni
Pu Liu-a chuan: +86 13705266308 biak theih a ni

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