UVavanya njani uMgangatho we-Emulsion we-PTFE: Iimpawu ezi-6 ezingundoqo kunye neendlela

I-PTFE emulsion-ekwaziwa ngokuba yi-PTFE dispersion-yinto ekrwada yokugquma ilaphu le-fiberglass ukuvelisa. PTFE ilaphu lobushushu obuphezulu , iiteyiphu, kunye namabhanti. Ukuba umgangatho we-emulsion ucinyiwe, imveliso yokugqibela iya kuba nentsebenzo engalunganga yokungabambeleli, ukugquma okungalinganiyo, okanye ukungaphumeleli kwangaphambi kwexesha.

Kodwa wazi njani ukuba ibhetshi ye-emulsion ye-PTFE ilungile? Uyayivavanya.

I-Aokai PTFE isebenzise kwaye yavavanya i-emulsions ye-PTFE iminyaka. Esi sikhokelo sibandakanya izibonakaliso ezintandathu zokuvavanya ezingundoqo - umxholo oqinileyo, i-pH, ubungakanani be-particle size, i-viscosity, ukuzinza, kunye nokubonakala - kunye neendlela eziqhelekileyo kunye neendlela zokumkela.

Umxholo oLuqilima – Esona Siphawuli siSiseko

Umxholo oqinileyo uchaphazela ngokuthe ngqo ukusebenza kwemveliso kunye noqoqosho lwesicelo (iingubo ezityebileyo zifuna izinto eziqinileyo eziphezulu).

Iindlela zovavanyo eziqhelekileyo:

Indlela yokwamkela:

• Ngokwemigangatho ye-T/FSI 067-2021: Imfuno yomxholo oqinileyo wokuphinda umiliselwe ngokuphindaphindiweyo kwi-PTFE yi- 60±2%

• Owona mgangatho wolawulo kwisiza: 60±0.5% (ukunyamezelana okuqinileyo kokwaleka okungaguqukiyo)

Ixabiso le-pH - Isalathisi sokuZinza

Ixabiso le-pH lichaphazela ukuzinza kokugcinwa, ukubola, kunye nokuhambelana nezinye izinto.

Indlela yokuvavanya: Indlela ye-Electrode yeglasi (Ukumiselwa ngokuthe ngqo) - ukulinganisa usebenzisa imitha ye-pH kunye ne-electrode yeglasi elinganisiweyo ngemilinganiselo emibini okanye emithathu. Le yeyona ndlela isetyenziswayo eqhelekileyo.

Indlela yokwamkela:

• Nge-T / FSI 067-2021: uluhlu lwe-pH 9.0 - 11.0

• Ukuguquguquka kwe-pH kudla ngokubonisa ukungazinzi kwenkqubo okanye ukwenzeka kweekhemikhali (umzekelo, i-hydrolysis ye-surfactant)

• Ukulandelela ixesha elide lokutshintsha kwe-pH kubalulekile ekugwebeni ukuzinza kweekhemikhali ze-emulsion

Kutheni i-pH ibalulekile: ii-emulsions ze-PTFE zizinziswa ngama-fluorinated surfactants, ezifuna iimeko ze-alkaline (pH> 8) ukuze zihlale zisebenza. Ukuba i-pH yehla ngaphantsi kwe-8, i-emulsion inokuthi idibanise.

I-Aokai PTFE icebisa uvavanyo lwe-pH kuwo wonke umgqomo ongenayo kunye nenyanga ngexesha lokugcina. Ukuhla ngokukhawuleza ukusuka kwi-10.2 ukuya kwi-8.5 kwiiveki ezimbini kubonisa ukuba i-emulsion iyancipha kwaye kufuneka isetyenziswe ngokukhawuleza okanye inqatshelwe.

Ubungakanani beNcam kunye noSabelo lobungakanani beNcam

Ubungakanani kunye nokusabalalisa okufanayo kweengqungquthela eziphambili ze-PTFE zinefuthe eliqinisekileyo kwiipropati zokwenza ifilimu, ukunyamezela, kunye nokusebenza kokugqibela kwemveliso.

Iindlela zovavanyo:

Iimpawu eziphambili zovavanyo:

• I-D50 (i-diameter ephakathi) - uluhlu oluqhelekileyo lwe-emulsion ye-PTFE: 0.1-0.3 microns

• Ubukhulu bokusabalalisa ubukhulu be-particle - encinci ingcono kwi-coating ehambelanayo

• I-D10 kunye ne-D90 - ibonisa ukusasazeka kokusabalalisa

Isikhokelo sokwamkelwa: Kuninzi lwezicelo zokugquma, i-D50 kufuneka ibe phakathi kwe-0.15 kunye ne-0.25 μm kunye ne-90% yamaqhekeza ngaphakathi kwe-± 0.1 μm yentsingiselo.

Viscosity – Ukusetyenzwa koMsebenzi

I-Viscosity ibonakalisa ukuziphatha okuhambayo, okuchaphazela ngokuthe ngqo ukugquma kunye neenkqubo zokukhulelwa.

Iindlela eziqhelekileyo zokulinganisa:

Indlela yokwamkela:

• Ngokwe-T / FSI 067-2021: Uluhlu lwe-Viscosity 12.0 - 30.0 mPa·s (kwi-25±1 ° C)

• I-Viscosity ephantsi kakhulu → i-coating engalinganiyo, ithontsi

• I-viscosity ephezulu kakhulu → ukungena kakubi kwi-fiberglass, kufuna ukuhlanjululwa

Inqaku eliluncedo: Kwidiphu yelaphu le-fiberglass, i-viscosity ekujoliswe kuyo ikholisa ukuba yi-15-20 mPa·s. Ukuba i-viscosity drifts, lungisa ngamanzi adibeneyo (ukunciphisa) okanye ungeze i-thickener (ukuphakamisa).

UVavanyo loZinzo – uGcino kunye nokuthembeka kwezoThutho

Uvavanyo lokuzinza luqinisekisa ukuba i-emulsion ihlala ifana ngexesha lokugcinwa kunye nokuthutha. Iindlela zokuvavanya ngokukhawuleza zisetyenziselwa ukulinganisa iimeko zexesha elide.

Indlela yokupasa/yokusilela:

• Akukho delamination ebonakalayo, intlenga, okanye ukwakheka kwejeli

• Utshintsho lwe-Viscosity <10% ukusuka ekuqaleni

• Ubungakanani besuntswana D50 utshintsho < 15%

Isikhokelo sobomi beShelf: Ngaphantsi kogcino olufanelekileyo (10-30 ° C, lutywinwe), i-emulsion ye-PTFE igcina uzinzo kwiinyanga ze-6-12. Ukuba uvavanyo lwe-centrifuged lubonisa > i-5% sediment, yilahle ibhetshi.

Ukuhlolwa kweNkangeleko-Ibhetshi eKhawulezayo yokuNxibelelana

Jonga ngokubonakalayo isampuli phantsi kokukhanya kwendalo.

Imbonakalo eyamkelekileyo: I-emulsion emhlophe okanye ekhanyayo etyheli, iyunifomu, engenazo izinto ezingaqhelekanga ezifana ne-delamination, amaqhuma ejeli, ukwakheka kwesikhumba, okanye imvula ebonakalayo.

Omawubukele:

• Ukwenza mnyama → ungcoliseko olunokwenzeka okanye ukuthotywa kobushushu

• Ulusu kumphezulu → ukomisa okanye ukujija kancinci

• Amaqhuma okanye igrit → ipolima ejiyileyo (embi)

• Ulwelo olucacileyo phezulu → ukunyibilika kwentlenga kwenzeke

Isishwankathelo - Khetha iindlela zoVavanyo eziSekwe kwiSicelo

Olu lwazi lungentla lunikezelwa ngu I-Jiangsu Aokai yeZixhobo eziNtsha zeTekhnoloji Co., Ltd.

Ukuba ungathanda ukufunda ngakumbi malunga neeparamitha ezineenkcukacha, iimeko zesicelo, kunye nezisombululo zokwenza ngokwezifiso zoluhlu olupheleleyo lweemveliso, kubandakanya ilaphu leTeflon elinobushushu obuphezulu, iteyiphu yobushushu obuphezulu beTeflon, amabhanti eTeflon anobushushu obuphezulu, amabhanti omatshini wokufunxa angenamthungo, icala elinye lePTFE ilaphu elinobushushu obuphezulu, ubushushu bobushushu obuphezulu kunye ne-fiberglass enobushushu obuphezulu. ilaphu , nceda uqhagamshelane nathi ngokusebenzisa ezi ndlela zilandelayo:

• Mnu. Guo: +86 18944819998

• UMnu. Liu: +86 13705266308

Sihlala siwuxhasa umbono wenkonzo yobuchwephesha kunye nenyanisekileyo, kwaye sikubonelela ngeentliziyo ezipheleleyo ngezisombululo kunye neenkonzo zokumamela!