Jeli tilayɔrɔba bɛ tali kɛ rezo crosslinked mass kɛmɛsarada la silicone pressure-sensitive adhesive kɔnɔ min datugulen don Teflon funteni caman bɛ min na, o tɛ wuli fura ɲumanw na (i n’a fɔ toluyɛni). Sumani kɛcogo ye ka filimu saniyalen nɔrɔlen siri filɛrikɛlan na, k’a bɔ Soxhlet bɔlan na sanga 24 kɔnɔ, ka sɔrɔ ka tolen tolenw ja fo ka se a girinya basigilen ma sani jatebɔ ka kɛ.
2. Jɛɲɔgɔnya fanga:
Teflon kasɛti kɔnɔ, jɛɲɔgɔnya fanga bɛ dɔn ni funteni minɛ fanga ye min ka bon (shear adhesion failure temperature walima shear holding time). A ka c’a la, sɛgɛsɛgɛli bɛ kɛ 180 °C la kilo 1 doni kɔnɔ, ka waati sɛbɛn fo nɔrɔlen ka sɛgɛn walima ka dɛsɛ. O nafa bɛ nɔrɔlen in seko jira k’a ɲɛsin jibɔ ni farali ma.
II. Hakɛ hakɛ bɛnkan min bɛ jeli tilayɔrɔba ni jɛɲɔgɔnya fanga cɛ
Sisεmεti ma percolating network (jibɔ-yɔrɔ) dɔ Sìgi fɔlɔ; nɔrɔlan bɛ to viscous-flow cogo la, ni minɛ fanga bɛ gɛrɛ zeru la ani jɛ fanga waleyali tɛ.
2. A bɛ se ka kɛ cogo min na (60%–85%):
Kɔrɔlen kɔfɛ, cakɛda elastikiw density nafama bɛ bonya kosɛbɛ ni jeli tilayɔrɔba ye, ani jɛɲɔgɔnya fanga bɛ bonya ka taa a fɛ walima ka tugu fanga caman sariya dɔ kɔ. Ni aw ye dɔ fara jeli tilayɔrɔba kan ka bɔ 60% na ka se 70% ma, o bɛ se ka funteni caman minɛ waati kɔrɔta ka bɔ miniti la ka se lɛrɛw ma; ka bɔ 70% na ka se 80% ma, minɛ fanga bɛ se ka bonya ni siɲɛ 3 fo siɲɛ 10 wɛrɛ ye. Dɛsɛ cogoya bɛ wuli dɔɔnin dɔɔnin ka bɔ dɛsɛ jɛlenba la ka taa dɛsɛ ɲagaminen na.
3. Kɛrɛnkɛrɛnnenya la, a ka ca (> 85%) :
Jɛɲɔgɔnya fanga bonya bɛ sumaya. Ni jeli tilayɔrɔba kɔrɔtalen don ka bɔ 85% na ka se 95% ma, o bɛ dɔ fara a minɛ waati kan ni 20%–50% dɔrɔn ye, nka tack (a daminɛ nɔrɔli) bɛ jigin kosɛbɛ ka da molekiyɔmu cakɛda taamacogo dantigɛlen kan. Ni jeli tilayɔrɔba tɛmɛna 95% kan, nɛgɛdaga bɛ gɛrɛ elastomɛri saniyalen cogo la, wa nɔrɔcogo minnu bɛ degun sɔrɔ, olu bɛ tunun kosɛbɛ.
III. Modeli Semi-Empirique ani Donanw Typiques
I n’a fɔ Jiangsu Teflon finiw dilannikɛlaw y’a lajɛ cogo min na, jɛɲɔgɔnya min bɛ sɔrɔ sɔgɔli minɛni waati (t_shear) ni jeli tilayɔrɔba (g) cɛ, o bɛ se ka fɔ nin cogo la:
lg(t_shear) = A + B · g (ni B bɛ 0,1–0,2 ɲɔgɔn na), o b’a jira ko dantigɛli bɛ kɛ ni jatebɔ ye. A ni B nafaw bɛ bɔ MQ resin hakɛ la, nɔrɔlen lamini janya la, ani sɛgɛsɛgɛli funteni na.
Donanw minnu bɛ bɛn ɲɔgɔn ma cogoya la (180 °C static shear, normalized to a holding time of 1 at 65% gel fraction):
| 92% ye | 150–200 (saturasiyɔn kɛrɛfɛ) | Pure interfacial ka dɛsɛ |
A jɛlen don ko 60%–90% hakɛ la, kɛmɛsarada la 5 o 5 bɛ se ka kɛ sababu ye ka dɔ fara jeli tilayɔrɔba kan siɲɛ caman funteni caman na.
IV. Kɔlɔsili fɛɛrɛw Teflon kasɛti dilanni na
1. Laɲini jeli tilayɔrɔba hakɛ:
Ka ɲɛsin fɛn bɛɛ ma minnu bɛ se ka funteni kɛlɛ ka bɔ Jiangsu Teflon finiw dilannikɛlaw fɛ, jeli tilayɔrɔba min bɛ fɔ, o ye 75%–85% ye, o bɛ balansi tack ni cohesion. Ni fɛnɲɛnamafagalanw ye minnu bɛ funteni caman kɛ (ni u bɛ doni kuntaalajan kɛ 200–260 °C la), jeli tilayɔrɔba ka kan ka se 85%–93% ma walasa ka nɔrɔ tolenw bali minnu bɛ sɔrɔ nɛgɛdaga tilacogo jɛlen fɛ.
2. Interface matching wajibiyalenw:
Teflon kasɛti funteni caman bɛ PTFE sanfɛla la, a sanfɛla fanga ka dɔgɔ kosɛbɛ; o de kama, nɛgɛdaga sirili fanga ka kan ka bonya ka tɛmɛ nɔrɔli fanga kan; n’o tɛ, jɛɲɔgɔnya dɛsɛ bɛna kɛ degun kɔrɔ. Ni jeli tilayɔrɔba tɛmɛna 93% kan, nɔrɔlan bɛ gɛlɛya, o bɛ dɔ bɔ ji la ani ka bɛn PTFE substrat ma, o bɛ se ka kɛ sababu ye ka dakun kɔrɔta. Sɛnɛfɛnw dilanni na, a nafa ka bon ka ɲɔgɔndan funteni, waati ani katalisita hakɛ kɔlɔsi tigitigi walasa ka jeli tilayɔrɔba datugu laɲini yɔrɔ kɔnɔ, ka jiginni dafalen sɔrɔ ka bɔ jɛɲɔgɔnya dɛsɛ la ka taa ɲɔgɔndan dɛsɛ la.
N’aw b’a fɛ ka kunnafoni caman sɔrɔ an ka fɛn dilannenw bɛɛ lajɛlen ka fɛn ɲɛfɔlenw kan, u kɛcogo, ani u ladilancogo suganditaw kan—i n’a fɔ Teflon finiw minnu bɛ funteni caman bɔ, Teflon kasɛtiw, Teflon kasɛti minnu bɛ funteni caman bɔ, Teflon cɛsirilan minnu bɛ kɛ ni nɛgɛ ye, cɛsirilan minnu tɛ nɔrɔ ɲɔgɔn na, laminatɛriw kama, PTFE fini minnu bɛ kɛ fan kelen fɛ, fɛn minnu bɛ se ka fɛnw ta minnu ka funteni ka bon cɛsirilanw, fibreglasi finiw minnu bɛ funteni caman bɔ, ani fɛn wɛrɛw—aw bɛ se ka anw sɔrɔ ninnu fɛ:
An bɛ baarakɛcogo hakilila min bɛ tali kɛ baarakɛlaw ni danbe la tuma bɛɛ, wa an b’an yɛrɛ di ka fɛɛrɛw di aw ma yɔrɔ kelen na ani baara min bɛ kɛ ni hakili ye!
