No ke aha e pale ai ka PTFE kiʻekiʻe-wela lole i ke ahi wehe? He aha kona Microscopic Flame-Retardant Mechanism?

ʻO Jiangsu Aokai New Materials, kahi mea hana nui o nā lole wela wela PTFE, wehewehe:

ʻO ka PTFE kiʻekiʻe-mehana lole ʻoi loa ka lapalapa ahi i ke ahi ākea, ʻo ka mea nui ma muli o ke ʻano molecular a me nā mīkini decomposition thermal o kāna mea kumu - polytetrafluoroethylene (PTFE). ʻAʻole hilinaʻi kona ʻāʻī ʻana i ka lapalapa ahi e like me nā mea maʻamau, akā naʻe mai kona ʻano inertness kemika a me nā ʻano decomposition kūʻokoʻa.

Hiki ke hoʻomaopopo ʻia kēia mai nā pae ʻekolu:

1. Molecular ikaika 'Armour': High Bond Energy and Protective Layer

·  ʻO nā paʻa kalapona-fluorine (C–F) ikaika : ʻO nā molekala PTFE he iwi kuamoʻo kalapona i hoʻopuni ʻia e nā ʻātoma fluorine. ʻO ka paʻa C–F kekahi o nā mea paʻa kemika ikaika loa, me ka ikehu paʻa ma kahi o 485 kJ/mol. Pono ka ikehu kiʻekiʻe loa (ka wela) e uhaʻi iā ia, e hana ana i ka laina mua o ka pale.

·  Ka hopena pale o nā ʻātoma fluorine : Nui nā ʻātoma fluorine i hoʻopaʻa ʻole ʻia i hoʻopaʻa ʻia, e hana ana me he pale kaua mānoanoa e hoʻopili pono ai i ke kaulahao kalapona i loko. Ke pale nei kēia pale i ka hapa nui o nā kemika (me ka oxygen) mai ke komo ʻana i ke kaulahao kalapona a keʻakeʻa ikaika i nā hopena oxidation e pono ai no ka puhi ʻana.

2. Non-Combustible Decomposition: Depolymerization ma kahi o ke ahi

·  ʻOki ʻia ke kaulahao ma mua o ka hoʻoheheʻe ʻia : Ma lalo o nā wela kiʻekiʻe, ʻoi aku ka nāwaliwali o nā mea paʻa carbon-carbon (C–C) i loko o ka PTFE ma mua o nā paʻa C–F. Hoʻomaka nā kaulahao molekala e decompose ma mua o ke komo ʻana o ka oxygen i nā hopena.

·  ʻO ka huahana nui he monomer : Ma ka haki ʻana, hoʻopau ka PTFE i ka depolymerization , e hoʻokuʻu ana i nā monomers tetrafluoroethylene (C₂F₄) mai nā kaulahao. ʻO ka mea mahu ma mua o ka hoʻopau ʻana i ka hoʻopau ʻana i ka nui o ka wela a me nā kinoea lapalapa.

·  Ka hopena o ke kinoea : ʻO ke kinoea C₂F₄ mai ka depolymerization ua ʻoi aku ka paʻa ma mua o ka ea a noho ma kahi kokoke i ka ʻili, e hana ana i kahi papa kinoea no ka manawa e hoʻoheheʻe ʻia ka ʻike o ka oxygen a hoʻopaʻa hou i ka puhi ʻana.

3. Kākoʻo i ke kuleana o ke aniani fiber substrate

ʻO ka lole wela kiʻekiʻe o ka PTFE he mea i hana ʻia e ka uhi ʻana i ka PTFE ma luna o ka lole fiber aniani. ʻO ka fiber aniani ponoʻī he mea ʻaʻole hiki ke puhi ʻia. E like me ka iwi iwi, e hōʻoiaʻiʻo inā ʻaʻole e hoʻoheheʻe ʻia ka ʻili o ka PTFE ma lalo o ka wela nui, ʻaʻole e hoʻoheheʻe ʻia ka mea e like me ka plastic maʻemaʻe, e mālama ana i ka pono o ka hale a me ka pale ʻana i ka laha ahi.

Pono e hoʻokūpaʻa ʻia ʻo PTFE ka lapalapa-retardant , ʻaʻole loa i hiki ʻole ke puhi ʻia. Ke hoʻomehana ʻia ma luna o kona wahi hoʻoheheʻe (327 ° C) a hoʻomau, hoʻoheheʻe a hoʻokuʻu i nā uahi ʻawaʻawa. Kūpaʻa mau ʻo ia i nā mahana lōʻihi a hiki i 260°C a noho paʻa pōkole ma 300–360°C.

ʻO ka hoʻoheheʻe ʻana i ke ahi hāmama : Ke ʻike pono ʻia i ke ahi hāmama (ʻoi aku ma mua o kona wela decomposition), decompose ka ʻāpana PTFE, akā ʻaʻole lawa ka wela a i ʻole nā ​​​​mea hoʻopau i ke kaʻina hana e hoʻomau i ka puhi ʻana. Hoʻohui pū ʻia me ke kākoʻo fiber aniani, ʻaʻole hiki ke pālahalaha mau ke ahi.

I ka hōʻuluʻulu manaʻo, PTFE kiʻekiʻe-mahana lole mea lapalapa-kupa no kona kumu kumu PTFE mea molecularly i hoʻolālā 'ia e pale i ka combustion .High-ikena kemika paa, kū hoʻokahi decomposition ala, a me ka non-flammable aniani puluniu iwi hui pu me ka ikaika pale ahi.

Hāʻawi ʻia ka ʻike ma luna e Jiangsu Aokai New Materials Technology Co., Ltd.

No nā kikoʻī kikoʻī, nā hiʻohiʻona noi a me nā hopena i hoʻopili ʻia o kā mākou huahana piha - me ka PTFE kiʻekiʻe-mehana lole, PTFE kiʻekiʻe-mehana tape, PTFE kiʻekiʻe wela mesh kāʻei, seamless kāʻei no nā mīkini hoʻopaʻa, hoʻokahi ʻaoʻao PTFE lole, kiʻekiʻe-weliweli kūpaʻa conveyor kāʻei, kiʻekiʻe-mehana pale aniani nā huahana pili - e ʻoluʻolu e kelepona mai iā mākou:

●  Mr. Guo: 18944819998

●  Mr. Liu: 13705266308

Ke kākoʻo nei mākou i kahi loiloi lawelawe ʻoihana a me ka ʻoiaʻiʻo, a ua hoʻolaʻa ʻia i ka hāʻawi ʻana iā ʻoe i nā hopena hoʻokahi a me ka lawelawe hoʻolohe!