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Guriga » Wararka » PTFE Xabagta Xabagta ? Waa maxay waraaqaha tirada ee u dhexeeya tusaha jajabka jel ee xabagta cadaadiska-silicone-ka iyo xoogga isku xidhan ee lakabka koollada

Waa maxay waraaqaha tirada ee u dhexeeya tusaha jajabka jel ee xabagta cadaadiska-silicone-ka iyo xoogga isku-xidhka ee lakabka koollada?

Aragtida: 0     Qore: Tifaftiraha Goobta Waqtiga Daabacaadda: 2026-07-20 Asal ahaan: Goobta

Weydiiso

I. Qeexida iyo Hababka Cabbirka ee Tilmaamayaasha

1. Jel jajab:

   Jajabka jel waxa loola jeedaa boqolleyda tirada guud ee shabakada isku xidhan ee ku jirta xabagta cadaadiska-silicone ee lagu dahaadhay Cajalad heerkul sare ah oo Teflon ah oo aan lagu milmi karin dareerayaasha wanaagsan (sida toluene). Habka cabbiraadda waxaa ka mid ah in lagu duubo filimka xabagta saafiga ah ee mesh shaandhada, ka soo saarista Soxhlet soosaarayaasha 24 saacadood, ka dibna qalajisa haraaga aan milmayn miisaanka joogtada ah ka hor xisaabinta.

PTFE_Cape_Heerkulka_Applications.png

2. Xoog isku xidhan:

   Cajaladda Teflon, xoogga isku xidhan waxa lagu gartaa awood haynta heerkulka sare (heerkulka adhesion failure ama wakhtiga haynta xiirid). Tijaabada waxaa sida caadiga ah lagu sameeyaa 180 °C oo ka hooseysa culeys 1 kg ah, iyadoo la duubayo waqtiga ilaa lakabka koollada ay siibtaan ama ay guuldareystaan. Qiimahani wuxuu si toos ah uga tarjumayaa awoodda lakabka dhejiska ah ee uu uga hortagayo socodka iyo kala-goynta.

II. Xidhiidhka Tirada ee udhaxeeya Jajabka Jeelka iyo Xoog Isku-xidhnaanta

1. Hoosta barta muhiimka ah (jajabka jel <60%):

   Nidaamku weli ma samayn shabakad isku xidhan; lakabka xabaggu waxa uu ku hadhayaa xaalad qulqulka viscous-ka ah, oo leh awood haynta eber oo aan lahayn xoog isku xidhan oo la taaban karo.

2. Kala duwanaanshaha la taaban karo (60%-85%):

   Marka laga soo tago barta muhiimka ah, cufnaanta silsiladda laastikada ah ee wax ku oolka ah ayaa si aad ah u kordhisa jajabka jel, iyo xoogga isku xiran ayaa u koraya si xad dhaaf ah ama raacaya sharci awood sare leh. Kordhinta jajabka jel ka 60% ilaa 70% waxay kor u qaadi kartaa heerkulka sare ee haynta daqiiqado ilaa saacado; laga bilaabo 70% ilaa 80%, awoodda haysashada waxay kordhin kartaa 3 ilaa 10 jeer oo dheeraad ah. Habka guul-darradu waxa uu si tartiib tartiib ah uga gudbaa guul-darradii ballaadhanayd ee wadajirka ahayd una guuray guul-darro isku dhafan.

3. Baaxadda isdhaafsiga sare (> 85%):

   Korodhka xoogga isku-xidhnaanta ayaa hoos u dhacaya. Kor u qaadista jajabka jel ee laga bilaabo 85% ilaa 95% waxay kordhisaa wakhtiga haynta kaliya 20% -50%, laakiin taabashada (adhesion bilowga ah) ayaa si weyn hoos ugu dhacda sababtoo ah dhaqdhaqaaqa silsiladda molecular ee xaddidan. Marka jajabka jelku uu dhaafo 95%, lakabka koollada wuxuu ku soo wajahan yahay xaalad elastomer saafi ah, iyo sifooyinka xabagta ee cadaadiska-xasaasiga ah ayaa dhab ahaantii lumaya.

PTFE filimka cajalad.webp

III. Qaabka Wax-ku-oolka ah iyo Xogta Caadiga ah

Sida lagu soo koobay Jiangsu Teflon soosaarayaasha dharka heerkulkoodu sarreeyo, xidhiidhka la taaban karo ee ka dhexeeya wakhtiga xajinta xiirid (t_shear) iyo jajabka jel (g) waxaa lagu tilmaami karaa sida:

lg(t_shear) = A + B · g (oo leh B qiyaastii 0.1-0.2), taasoo muujinaysa ku-tiirsanaanta jibbaarada. Qiimaha A iyo B waxay ku xidhan yihiin saamiga resin MQ, dhumucda lakabka xabagta, iyo heerkulka tijaabada.

Xogta caadiga ah ee u dhiganta (180 °C xiirid taagan, oo caadiyan lagu hayo wakhtiga haynta ee 1 at 65% jel jajab):

| Jel jajab | Waqtiga Qabashada Qaraabo | Habka Fashilka |

|------

| 55% | <0.1 | 100% guul daro isku xiran |

| 65% | 1 | ~80% fashilaad isku xiran |

| 75% | 8–15 | Guuldarrooyinka isku dhafan |

| 85% | 50–100 | Hadhaaga yar |

| 92% | 150-200 (dhererka u dhow) | Fashilka wajiga saafiga ah |

 

Waxaa cad in inta u dhaxaysa 60%-90%, boqolkiiba 5 kasta oo korodhka jajabka jelku ay u horseedi karto koror badan oo heerkul sare ah oo isku dhafan.

IV. Xeeladaha Xakamaynta ee Samaynta Cajaladda Teflon

1. Kala duwanaanshaha jajabka jel bartilmaameedka:

   Cajalado dabaylo leh oo kulaylka u adkaysta oo guud ahaan ka yimaadda Jiangsu Teflon soo saarayaasha dharka heerkulka sare leh, jajabka jelka ee lagu taliyey waa 75% – 85%, dheellitirka taarka iyo isku xidhnaanta. Suunka xabagta ee heerkulka sare leh (ku xiran rarida muddada dheer ee 200-260 °C), jajabka jelku waa inuu gaaro 85%-93% si looga hortago haraaga xabagta ee ay keento kala-goynta isku xiran ee lakabka koollada.

PTFE_Cape_Semiconductor_Applications.png

2. Shuruudaha iswaafajinta:

   Dusha sare ee PTFE ee cajaladda heerkulka sare ee Teflon ayaa leh tamar aad u hooseeya; sidaas darteed, xoogga isku-xidhka ah ee lakabka dhejiska waa in uu ka sarreeyaa xoogga isdhexgalka ee wejiga; Haddii kale, fashilka wadajirka ah wuxuu ku dhici doonaa cadaadis. Haddii jajabka jelku ka sarreeyo 93%, lakabka koollada ayaa adkaan doona, hoos u dhigaya qoynta iyo ku habboonaanta substrate-ka PTFE, taas oo u horseedi karta kor u qaadida geesaha. Wax soo saarka, waxaa lagama maarmaan ah in si sax ah loo xakameeyo heerkulka isdhaafka ah, waqtiga, iyo qiyaasta kicinta si loo xiro jajabka jel ee xadka bartilmaameedka, gaaritaanka isbeddel la isku halayn karo oo ka yimid guuldarada wadajirka ah una gudubto fashilka wajiga.

Xogta sare waxaa bixiyay Jiangsu Okai New Material Technology Co., Ltd.

Haddii aad jeclaan lahayd inaad wax badan ka ogaato faahfaahinta faahfaahsan, xaaladaha codsiga, iyo ikhtiyaarka habaynta ee noocyada kala duwan ee alaabtayada - oo ay ku jiraan Teflon dhar heerkul sare leh, cajalado heerkul sare leh oo Teflon ah, suumanka mesh heerkul sarreeya ee Teflon, suumanka bilaa-xadhig la'aanta ah ee loogu talagalay laminators, dhar-geeska sare ee PTFE. maro fiberglass ah, iyo in ka badan-fadlan xor u noqo inaad nagala soo xidhiidho arrimaha soo socda:

Wac khadka adeegayaga:

- Mudane Guo: 18944819998

- Mudane Liu: 13705266308

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