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Aiga » Tala Fou » PTFE fa'apipi'i lipine » E fa'afefea ona fa'afetaui le vevela fa'apala ma le afa o le ola o vaila'au fa'afeso'ota'i peroxide ma le fa'amalama o le fa'amalologa mo le lipine Teflon?

E fa'afefea ona fa'afetaui le vevela o le pala ma le afa o le ola o vaila'au fa'afeso'ota'i peroxide ma le fa'amalama o le fa'amalologa mo le lipine Teflon?

Va'aiga: 0     Tusitala: Fa'atonu Site Taimi Fa'asalalau: 2026-07-18 Afuaga: Nofoaga

Fesili

I. Fa'amatalaga Autu: Fa'afa'afa-Olaga ole BPO ma le DCP

1. Afa-Olaga Temperature Reference

E mulimulita'ia e le fa'a'oso'o fa'asaga i le peroxide le fa'asologa muamua o le decomposition kinetics, ma le afa-ola (t₁/₂) i le vevela tu'u mai o le fa'ailoga masani lea.

Benzoyl Peroxide (BPO): 1-minute afa-ola ile tusa. 131°C, 1-itula afa-ola ile tusa. 92°C, 10-itula afa-ola ile tusa. 72°C. O mea fa'aleagaina o le CO₂ ma le benzoic acid, lea e faigofie ona fa'apupulaina ai.

PTFE lipine afifi i luga o paipa vailaʻau ma vaʻa flanges.png

2. Dicumyl Peroxide (DCP):

-1-minute afa-ola ile tusa. 171°C, 1-itula afa-ola ile tusa. 135°C, 10-itula afa-ola ile tusa. 115°C. O oloa fa'atasi o le acetophenone ma le methane, fa'atasi ai ma se manogi malosi.

3. Manaoga muamua mo le Fa'aogaina o Fa'amatalaga

O tau o loʻo i luga o faʻamatalaga faʻamatalaga mo mea mama. I vaifofo faʻapipiʻi moni, solvents, fillers, ma antioxidants e mafai ona faʻalavelave i le fua o le pala, o lea e manaʻomia ai le faʻasaʻoga e ala i le DSC (Differential Scanning Calorimetry).

II. Fa'atatau mo Fa'afetaui le Fa'amalama Fa'agasologa

1. Su'esu'e Taimi Fa'avae ile Tulaga ole Fa'apala

O le mea fa'apipi'i e mana'omia ona ausia le 97%-99% feso'ota'iga (pe tusa ma le 5-7 afa-ola). O le mea lea, o le taimi faʻamalolo e tatau ona 5-7 taimi o le afa-ola i le vevela faʻamoemoe.

2. Tua-Fa'atatau le vevela mai Laina Gaosia Taimi nofomau

Afai o le taimi faʻamafanafana lelei i totonu o le ogaumu e 5 minute ma 5 afa-ola e manaʻomia mo le faʻamaeʻaina, ona manaʻomia lea o le t₁/₂ ≤ 1 minute. Ole vevela ole afa ole 1 minute e tusa. 131°C mo BPO ma pe tusa. 171°C mo DCP. O le vevela fa'amalolo e tatau ona seti i luga pe la'ititi i luga a'e o lenei tau.

3. Toe Fuafuaina Taimi mai le vevela maualuga fa'atagaina

Fuafua muamua le maualuga o le vevela (Tmax) e mafai e le mea'ai ma le mea fa'apipi'i ona tatalia. Su'e le afa-ola i lena vevela, ona fuafua lea o le taimi aupito maualalo e nofo ai e ala i le fa'atele i le 5-7 taimi, e puipuia ai le fa'aleagaina o le vevela mai le vevela.

PTFE ata tifaga tape.webp

III. Pupuni Fa'aa'e masani mo Tape Teflon

O le Teflon substrate e sili ona lelei le tete'eina o le vevela, ae o le faʻapipiʻi faʻapipiʻi silikoni e faʻaaogaina o le mea faʻatapulaʻa. E lua polokalame ua fa'atulagaina e fa'atatau i uiga o feso'ota'iga.

1. BPO Low-Value Fast Scheme

E fetaui lelei mo lipine manifinifi po'o fa'aoga e maaleale ile vevela vevela. Fa'amalama: 115–135°C, 3–10 minute.

Faataitaiga: I le 125°C i le ogaumu, o le BPO afa-ola e tusa. 2.5 minute, o lea e 5 afa-ola e tusa ma le 12.5 minute. Ina ia faʻavavevave, e mafai ona siitia le vevela ile 135°C (t₁/₂ ≈ 45 sekone), faʻamaeʻa le faagasologa i le 5 minute. Ae ui i lea, e tatau ona gauai atu i mataupu CO₂ micro-bubble; e fautuaina le fa'avevela fa'aalaa po'o nip rollers.

2. Fuafuaga mautu maualuga DCP

E fetaui lelei mo lipine mafiafia ma oloa e manaʻomia ai le mana sili ona lelei e taofi ai le vevela. Fa'amalama: 150–175°C, 5–15 minute.

Faataitaiga: I le 160°C, o le DCP afa-ola e tusa. 1.5 minute, o lea 5 afa-ola e manaʻomia le 7.5 minute. Si'i a'e i le 170°C e fa'aitiitia ai le afa-ola ile tusa. 0.8 minute, ausia le sili atu i le 97% decomposition i le 5 minute, faʻafetaui laina televave gaosiga. O le PTFE e matua mautu i lenei vevela, ma avea ai lenei mea ma faʻamalama lelei fale gaosi oloa.

IV. Manatu Fa'atino Autu mo le Faafetaui

1. Synergy Between Stepped Heating and Decomposition Characteristics

Fa'aaoga se fa'alili ole 'maualalo-vevela amata → maualuga-vevela atoatoa crosslinking.' Mo se fa'ata'ita'iga, fa'atasi ai ma le DCP, fa'ataga muamua le fa'apipi'i e tafe ma susu i fafo le PTFE i le 130°C, ona si'i lea o le vevela i le 165°C e fa'amae'a ai le fofo. O le mea lea e fa'aitiitia ai fa'aletonu i luga ma fa'aleleia atili ai le taula.

2. Fa'amatalaga o le Afa-Olaga e tatau ona fa'avasegaina i le Fa'atonuga Moni

Inhibitors poʻo solvents i le faʻapipiʻi faʻapipiʻi e mafai ona suia le fua faʻatatau. Fa'aaoga le DSC e fua ai le curve exothermic curve, saili le taimi e o'o ai i le maualuga o le tali i le vevela o le faagasologa, ma toe fuaina le afa-ola tutusa e tusa ai. Aua le faaaogaina tauaso tulaga faatauaina masani.

PTFE High-Temperature Tape.webp

3. Iloiloga o Talafa'asolopito Thermal Substrate

O ata tifaga Teflon e fa'a'oloa e mafai ona fa'aitiitia le vevela i luga a'e o le 200°C. Afai e fa'aogaina le fa'amalama vevela maualuga o le DCP, e tatau ona mua'i fa'apipi'i le su'ega po'o se ata e fa'afefeteina maualalo e tatau ona filifilia e taofia ai le fa'amiliina o lipine pe a uma ona fofo.

I le aotelega: Faʻavae i luga o le umi faʻamafanafanaina o le laina gaosiga, filifili se mea vevela lea e faamalieina ai le afa-ola 'n × afa-ola ≈ taimi nofo,' faʻapea tonu faʻatusatusa uiga faʻaleagaina o le BPO poʻo le DCP i le faʻamalologa o le lipine Teflon.

O faʻamatalaga o loʻo i luga o loʻo tuʻuina mai e Jiangsu OK New Material Technology Co., Ltd. , o se gaosiga o Teflon ie vevela maualuga.

Afai e te fia aʻoaʻo atili e uiga i faʻamatalaga auʻiliʻili, faʻataʻitaʻiga o faʻataʻitaʻiga, ma filifiliga faʻapitoa mo a tatou ituaiga atoa o oloa-e aofia ai ie Teflon maualuga-vevela, Teflon maualuga-vevela tape, Teflon maualuga-vevela fusipaʻu, fusi masini pipii seamless, tasi itu PTFE ie, maualuga-vevela feʻaveaʻi fusipaʻu-fesoʻotaʻi ie maualuga-fesoʻotaʻi fusipaʻu maualuga-fesoʻotaʻi ie, ma lagona maualuga feʻaveaʻi fusipausa.

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