PTFE Emulsion pH Value hian a Stability leh Impregnation Performance a nghawng dan

PTFE high-temperature fabric siamtu Jiangsu Aokai New Materials chuan polytetrafluoroethylene (PTFE) emulsion pH value chu a processing leh application performance tichiangtu parameter pawimawh tak anga a thawh dan a sawifiah a ni. Mainstream products hian a tlangpuiin stable weakly alkaline pH range 8.0–10.5 a vawng reng thin . pH inthlak danglamna hian micro atanga macro level thlenga chain reaction a thlen thei a, system stability (eg, shelf life, anti-coagulation capacity) leh impregnation performance (eg, permeability, final coating quality) a nghawng thei a ni.

1. Stability-a nghawng a neih dan

PTFE emulsion hi thermodynamically unstable system a ni a, a stability hi PTFE microparticles inkara electrostatic repulsion ah a innghat ber a ni. pH hian he key balance hi direct in a regulate a ni.

A rilru a hah lutuk chuan a rilru a buai em em a, a rilru a hah lutuk chuan a rilru a buai em em bawk a. (Zeta Potential) .

Alkaline chak lo takah chuan PTFE microparticles te chu hydroxyl ions (OH−) adsorb hmangin negative charge an nei a, Zeta potential chu -50 mV atanga -65 mV vel a ni . He electrostatic repulsion chak tak hi van der Waals force hneh nan leh particle te chu a darh zel theih nan a tawk a ni.PH chu PTFE isoelectric point (pH 2.9–3.2 vel) thlenga a tlak chuan surface charges te chu neutralized a ni a, Zeta potential chu zero a hnaih a, emulsion chu rang takin a destabilize a, irreversible coagulation a tawk bawk.

Alkaline Environment-in a nghawng dan (stabilizing Effect) a ni

Commercial PTFE emulsions te hi alkaline chak lo takin an dah thin a, a chhan ber chu a hnuaia thil vang hian a ni:

· Microbial growth inhibition : Alkaline environment chak lo chuan bacteria te thanna a titawp a, surfactants an ei thei lo va, emulsion chu a ti nghet lo.

· Acidic degradation tihtawp : Alkaline environment hian polymerization atanga acidic substance awmsa te chu a neutralize a, equipment corrosion leh performance degradation a veng thei a ni.

Acid Addition avanga hlauhawmna

Acetic acid ang chi acid hmanga pH siamrem hian acid chu zawi zawiin a tlem berah gentle stirring leh pre-dilution hmangin dah tur a ni. Rapid addition emaw acidity tam lutuk hian system charge balance a tibuai ang a, emulsion breaking nghal a thlen bawk ang.

2. Impregnation Performance-a nghawng a neih dan

Impregnation atan chuan emulsion chu substrate chhungah tha taka lut a, uniform coating siam a ngai a ni. pH hian he process hi a nghawng ber a, chu chu system viscosity, wettability leh surface charge te a thlak danglam a ni.

Permeability leh Adhesion te a awm

pH hian emulsion rheological behavior a nghawng a ni. pH dik tak chuan substrate surface-a spreading leh capillary penetration a ti tha a, chhiatna a awm lo. pH hniam lutuk emaw sang lutuk emaw chuan coating adhesion a ti tlem thei.

Co-Coagulation Process atana Parameter pawimawh tak

Composite material siamnaah chuan pH siamrem hian particle chi hnih emaw a aia tam emaw Zeta potential control theihna a siam a, electrostatic interaction hmangin uniform leh efficient co-coagulation a siam thei a ni. Entirnan, carbon black leh PTFE emulsion mixture pH chu 7–10- a siamrem chuan  coagulant dang awm lovin coagulation kimchang tak a thleng thei a ni.

Aokai New Materials-ah hian emulsion siam leh siam chhuah chhung zawnga pH control hian PTFE emulsion nun chhung zawng zawng a huam vek a, hei hian PTFE materials-a thil tha langsar tak takte chu a taka hman tangkai a pawimawh hle.

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

Parameters chipchiar tak tak, application scenario leh kan product range pumpui customized solutions te tan PTFE high-temperature cloth, PTFE high-temperature tape, PTFE high-temperature mesh belt, bonding machine tan seamless belt, single-sided PTFE puan, high-temperature resistant conveyor belt leh high-temperature fiberglass cloth te chu min rawn biak theih reng e at:

· Pu Guo: 18944819998 A rilru a hah lutuk chuan a rilru a buai em em a

· Pu Liu: 13705266308