Dis atikul de egzamin inflכεns pan platina katalis tכp εn kכnsantreshכn pan kכroslink kεnεtiks fכ adishכn-kכr silikon rכba. katalis tכp dεm: Speier katalis (kloroplatinik asid, Pt4+) nid fכ ridyus to aktv lכw-valεnt spεshal, we de fכnshכn lεk prεkatalis; Karstedt katalis (Pt0 wit divinyltetramethyldisiloxane) de enta katalis saykl dairekt wan. Tayp ifekt dεm: Speier sho pronכns indukshכn pεriכd wit S-shεp kכryכn kכv (slow εli, aksεlεrayt leta) εn hכy apεrεnt aktibכshכn εnεji; Karstedt sho se nכ indukshכn, hεy initial rεt wit shap εksotεm, lכw aktibכshכn εnεji.

We dɛn de sinta, di PTFE patikyula dɛn pan fayv glas fabrik de mɛlt ɔp 327°C, we de pwɛl di ɔrijinal fold-chen lamɛl ɛn patikyula bɔda fɔ mek wan amɔf mɛlt. we i kol, PTFE de rikristalayz insay sfεrulayt dεm we kכmכp fכ raydial כriεnt lamεl dεm, wit kristaliniti we de rεnj 50–70%. di kol rεt de ditarεmin di kristכl pafεkshכn: slo kכl de gi hכy kristaliniti, big sfεrulayt dεm, bכku hadnεs; we di kεnch kwik kwik wan de gi fayn fayn sfεrulayt dεm εn i de impruv fεksibiliti.