ʻO ka PTFE ka palakika paʻa loa i ʻike ʻia i kēia manawa. Hoʻohana nui ʻia ia ma nā ʻoihana like ʻole me nā ʻano ʻino. Ma muli o kāna hana maikaʻi loa, ua lilo mālie ia i huahana nui i nā huahana palakika (Ua kapa ʻia ka holoʻokoʻa he Polytetrafluoroethylene). No laila, nui aʻe nā mea hana e hana ana i ia mau huahana. Hiki ke hana ʻia ka PTFE i nā ʻano huahana he nui, e like me nā paipu, nā koʻokoʻo, nā papa, nā gaskets, nā kiʻiʻoniʻoni, a me nā mea ʻē aʻe, i hoʻohana ʻia ma nā ʻano like ʻole.
He aha ka paipu PTFE?
ʻO Polytetrafluoroethylene (i hoʻopōkole ʻia e like me PTFE), i ʻike nui ʻia ʻo "Plastic King", he polymer molekala kiʻekiʻe i loaʻa ma ka polymerizing tetrafluoroethylene ma ke ʻano he monomer, he keʻokeʻo a translucent paha. ʻAʻohe pigments a i ʻole nā mea hoʻohui i loko o kēia mea, a he mau ʻano o ke kūpaʻa waikawa a me ka alkali, ke kūpaʻa i nā mea hoʻoheheʻe organik like ʻole, a aneane hiki ʻole ke hoʻoheheʻe ʻia i nā mea hoʻoheheʻe āpau. Eia kekahi, he ākea ka laulā o ka mahana o ka PTFE a hiki ke hoʻohana ʻia no ka manawa lōʻihi ma -65°C ~ 260°C ma lalo o ke kaomi maʻamau. Hana ʻia ia ma ke ʻano extrusion paste. ʻO ka paipu PTFE i hana ʻia me ka hoʻohana ʻana i ka paste extrusion he maʻalahi a hiki iā ia ke hana i nā paipu PTFE me nā diameters o loko e like me ka liʻiliʻi o 0.3 mm a hiki i ka nui o 100 mm a me nā mānoanoa o ka paia e like me ka liʻiliʻi o 0.1 mm a 2 mm. No laila, ʻo ka paipu polytetrafluoroethylene (PTFE) he huahana versatile loa ia e hāʻawi ana i nā ʻano noi like ʻole ma nā ʻoihana like ʻole.
No ke aha i hoʻohana nui ʻia ai nā ʻōmole PTFE:
1. Ke kūpaʻa wela kiʻekiʻe, ʻaʻole hiki ke hoʻoheheʻe ʻia i loko o kekahi mea hoʻoheheʻe. Hiki iā ia ke kū i ka mahana kiʻekiʻe a hiki i ka 300 °C i ka manawa pōkole, a hiki ke hoʻohana mau ʻia ma waena o 200 °C a me 260 °C, me ke kūpaʻa wela koʻikoʻi.
2. Ke kūpaʻa haʻahaʻa o ka mahana, ka paʻakikī mechanical maikaʻi i ka mahana haʻahaʻa, ʻoiai inā hāʻule ka mahana i -65 ℃, ʻaʻole ia e lilo i embrittled, a hiki iā ia ke mālama i ka 5% elongation.
3. Kūpaʻa i ka palaho, inert i ka hapa nui o nā kemika a me nā mea hoʻoheheʻe, kūpaʻa i nā waikawa ikaika a me nā alkalis, ka wai a me nā mea hoʻoheheʻe organik like ʻole, hiki ke pale i nā ʻāpana mai kekahi ʻano palaho kemika.
4. ʻO ka pale ʻana i ka ʻelemakule, ma lalo o ke kaumaha kiʻekiʻe, loaʻa iā ia nā pono pālua o ke kūpaʻa ʻana i ka ʻaʻahu a me ka ʻaʻole e pipili. ʻO ke ola ʻelemakule maikaʻi loa i loko o nā plastik.
5. ʻO ka lubrication kiʻekiʻe, ʻo ia ka coefficient haʻahaʻa loa o ka friction ma waena o nā mea paʻa. Hoʻololi ke coefficient o ka friction i ka wā e paheʻe ai ka ukana, akā aia wale nō ka waiwai ma waena o 0.05-0.15. No laila, loaʻa iā ia nā pono o ke kū'ē hoʻomaka haʻahaʻa a me ka hana maʻalahi no ka hana ʻana i nā bearings.
6. ʻO ka hoʻopili ʻole ka ʻili liʻiliʻi loa o nā mea paʻa, a ʻaʻole ia e pili i kekahi mea. ʻAneʻane ʻaʻole e pipili nā mea āpau iā ia. Hōʻike pū nā ʻili lahilahi loa i nā waiwai hoʻopili ʻole maikaʻi.
7. ʻAʻohe ona ʻala, ʻono ʻole, ʻaʻohe mea ʻawahia, ʻaʻohe ona ʻano hana kino, a ʻaʻohe ona hopena maikaʻi ʻole ke hoʻokomo ʻia i loko o ke kino ma ke ʻano he mau kīʻaha koko a me nā ʻōpū hana no ka manawa lōʻihi.
8. Māmā a maʻalahi hoʻi. Hoʻemi nui i ka ikaika o ka hana a ka mea hoʻohana.
ʻO kekahi mau hoʻohana maʻamau o nā paipu PTFE:
1. ʻOihana Kemika
Ma muli o ko lākou kūpaʻa kiʻekiʻe i nā kemika i aneane nā kemika āpau, kūpono nā paipu PTFE no ka hoʻohana ʻana i ka ʻoihana kemika. Hoʻokomo pū kēia me ka ʻoihana semiconductor. Pono nā kaʻina hana hou i ka hana semiconductor i ka ana palekana a me ka lawe ʻana i nā wai ʻino (nā waikawa a me nā kumu). Hiki i kēia mau mea ke hōʻino nui i ka paipu lawe i loko o kahi manawa pōkole.
2. ʻOihana kaʻa
I loko o kahi ʻenekini kaʻa, hoʻohana ʻia nā paipu PTFE kiʻekiʻe no ka hoʻoheheʻe ʻana o ka wahie a me nā alahao wahie. E like me nā hose wahie, nā hose turbocharger, nā hose coolant, nā hose brake aunoa, nā hose brake mokokaikala, nā hose ʻenekini diesel, nā hose heihei a me nā hose hoʻokele mana. ʻO nā ʻano o ke kūpaʻa wela kiʻekiʻe a me ka haʻahaʻa o ka mahana, ke kūpaʻa kiʻekiʻe o ke kaomi, ke kūpaʻa ʻaʻahu a me ke kūpaʻa ʻana i ka pala o ka paipu PTFE e loaʻa ai ke ola lawelawe lōʻihi me ka ʻole o ka hoʻololi pinepine ʻana.
3. ʻOihana paʻi 3D
I ka paʻi 3D, pono e hoʻoili ʻia ke kaula i ka nozzle paʻi, pono e hana ʻia ma kahi pae wela kiʻekiʻe. ʻO ka paipu PTFE ka polymer i makemake nui ʻia ma ka ʻoihana paʻi 3D ma muli o kona coefficient wela kiʻekiʻe a me nā waiwai non-stick, e kōkua ana i ka paheʻe maʻalahi i ka mea mai ka nozzle.
4. ʻOihana lapaʻau
ʻO nā waiwai kūikawā o nā paipu PTFE e komo pū ana me kahi ʻano maʻalahi e hoʻomaʻemaʻe i ka ʻili. I nā makahiki he ʻumi i hala iho nei, ua hoʻohana nui ʻia nā paipu PTFE i nā mea lapaʻau. Ma muli o ke koina haʻahaʻa o ka friction o nā paipu PTFE, ʻo ia hoʻi he ʻili laumania loa ia ʻaʻole e uhi a kōkua paha i ka ulu ʻana o ka bacteria. I waena o lākou, hoʻohana ʻia nā hose no nā cannulas, catheters, pipettes a me endoscopes.
5. ʻOihana meaʻai
Ma muli o kona maʻalahi o ka hoʻomaʻemaʻe ʻana a me nā waiwai ʻaʻole e pipili, hiki ke hoʻohana ʻia nā paipu PTFE i ka ʻoihana meaʻai. ʻOi aku ka maikaʻi, kūpono nā paipu i hana ʻia me ka PTFE i hoʻopiha ʻole ʻia ma muli o ko lākou kūlike ʻole i ke kino a kūlike me nā alakaʻi o ka US Food and Drug Administration. No laila, ua hōʻoia ʻia he mea ʻino ʻole ia i ka hoʻopili ʻana me ka plastic a me kekahi ʻano meaʻai.
ʻO ke kūʻai ʻana i ka paipu PTFE kūpono ʻaʻole wale ia e pili ana i ke koho ʻana i nā kikoʻī like ʻole no nā noi like ʻole. ʻOi aku ka nui e koho ai i kahi mea hana hilinaʻi. He loea ʻo Besteflon Fluorine plastic Industry Co., Ltd. i ka hana ʻana i nā hose a me nā paipu PTFE kiʻekiʻe no 15 mau makahiki. Inā he mau nīnau a me nā pono, e ʻoluʻolu e nīnau mai iā mākou no ka ʻōlelo aʻoaʻo loea hou aku.
Nā ʻatikala pili
Ka manawa hoʻouna: Aug-13-2022