Anyị na-arụ n'ichepụta PTFE polymer teepu igwe, nke a na-akpọkwa dị ka PTFE teepu igwe, Thread akara teepu igwe, ihe karịrị 20 afọ, ugbu a nsọpụrụ ISO9001 na OA akwụkwọ nwetara.Anyị bụ ndị mbụ rụpụtara PTFE Tape Machine na China.Ọ bụghị naanị na anyị nwere ike ịnye gị ahịrị mmepụta, kamakwa nye akụrụngwa akụrụngwa.Igwe ndị bụ isi gụnyere: igwekota, Calender, Slitter, Machine pressing, oven, igwe ihe mkpuchi wdg.
Oke nke ikpeazụ PTFE eri akara teepu:Ọkpụrụkpụ: 0.05-0.3mm ma ọ bụ karịa (dị ka ihe ị chọrọ);Obosara: 8mm, 10mm, 12mm, 19mm, 25mm ma ọ bụ ndị ọzọ, dị ka gị chọrọ;Ogologo: 8m, 10m, 12m, 15m, 18m, 20m, 25m, 40, etc.. dị ka gị chọrọ.
A na-eji PTFE eme ihe n'ọtụtụ mkpa dị iche iche, dị ka: mgbochi acid na organic solvents, nke n'onwe ya enweghị ihe na-egbu egbu nye ndị mmadụ, ma otu n'ime ihe ndị a na-eji na-emepụta usoro ammonium perfluorooctanoate (PFOA) ka a na-ewere na ọ nwere ike inwe. mmetụta carcinogenic.
Nnukwu ikwu molekul nke PTFE, nke dị ala dị ka narị puku kwuru puku, mgbe elu otu nwere ike ruo otu nde ma ọ bụ karịa (ogo nke polymerization nke 104 iwu nke ịdị ukwuu, mgbe polyethylene naanị 103).Ogo nke crystallinity bụ n'ozuzu 90 ka 95%, a agbaze okpomọkụ nke 327 ~ 342 ℃.Molecule CF2 unit na PTFE ndokwa site zigzag udi, n'ihi na fluorine atom radius ibu karịa hydrogen, otú n'akụkụ CF2 nkeji ike gafere kpọmkwem trans orientation, ma na-etolite a gburugburu gbagọrọ agbagọ yinye, fluorine atom ekpuchi fọrọ nke nta dum polymer yinye elu.Usoro ihe omimi a na-akọwa ihe dị iche iche nke PTFE.Na okpomọkụ n'okpuru 19 ℃ na-etolite 13/6 helix;Ntugharị oge na 19 ℃, kpughee ntakịrị ihe molekul iji mepụta helix 15/7.
Ọ bụ ezie na perfluorocarbon carbon - carbon bond na carbon - fluorine agbụ na-agbajikwa mkpa itinye ume 346.94 na 484.88kJ / mol, ma PTFE depolymerization ume n'ịwa 1mol tetrafluoroethylene naanị mkpa 171.38kJ.Ya mere na pyrolysis, PTFE tumadi depolymerizate tetrafluoroethylene.PTFE na 260,370 na 420 ℃ na arọ ọnwụ ọnụego (%) bụ 1×10-4, 4×10-3 na 9×10-2 kwa awa.
Oge nzipu: Mee-30-2020