Kedu otu PTFE si agbakọ na Teflon akwa-okpomọkụ dị elu na-arapara na fiberglassFabric?
PTFE (polytetrafluoroethylene) nwere ihe a na-akpọ nke ọma 'na-abụghị osisi' ihe onwunwe. Ya mere, ọ pụghị n'onwe ya na-ejikọta ya na fiberglass ụlọ dị ka mkpuchi nkịtị.AsanalyzedbyTeflonhigh-temperaturecl Onye nrụpụta othmanufacturer-JiangsuAokaiNewMaterialTechnologyCo.,Ltd.,njikọ dị n'etiti abụọ a na-enwetara site na anụ ahụ anchoring na mechanicalinterlocking, nke agbakwunyere kemịkalụ mbụ ọgwụgwọ orhot-meltadhesion mejupụtara.
Usoro dị iche iche maka ijikọ akwa akwa okpomọkụ nke gụnyere ihe ndị a:
1.MechanicalInterlocking(PhysicalBonding) Nke a bụ ụzọ kacha dị mkpa. Fiberglass na-emepụta onwe ya bụ ihe ederede. Mgbe PTFEemulsion ma ọ bụ mgbasa ozi na-agbanye ma ọ bụ tinye ya na fiberglasssfabric, PTFE na-abanye n'ime oghere na njedebe dị n'etiti fibers. Mgbe a kpochapụrụ ya na okpomọkụ dị elu. intering (ihe dị ka 360-400 Celsius C), ihe nkiri PTFE na-agbaze ihe nkiri na-aga n'ihu, na-ejidesi ike na eriri na-enweghị ọnụ ọgụgụ 'arịlịka arịlịka.' Otú ọ dị, ịdabere na usoro a na-arụpụta ihe na-enweghị njedebe nke ike, na-achọkwa ihe mgbakwunye.
Nke a bụ isi usoro maka ihe nrụpụta PTFEfiberglass nke dị elu. A na-ebute ihu ihu nke fiberglass nke a na-ebu ụzọ mesoo ya na ihe njikọ njikọ (suchasaminosilane, epoxysilane, wdg):
Oneendofthesilane (siloxygroup), afterhydrolysis, nwere ike kemịkalụ jikọtara ya na otu hydroxylgroups (-OH) na ihu nke glassfibers;
N'aka nke ọzọ, otu ndị na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ, nwere ike ịgafe-njikọ ike na-ejikọta ya na ihe mgbakwunye na-eme ka fluorinated na-eme ka ọ bụrụ ihe na-esote iwu ma ọ bụ mkpuchi.
3.ChemicalPrimerTransitionLayer
Mkpuchi ozugbo PTFE nsonaazụ site n'ịgbasa mmachi, ngwa ngwa ngwa ngwa etinyere ngwa mbụ na fiberglassfabric. Nke a na mbụ nwere:
Adhesiveresins: Suchaspolyamide-imide (PAI), polyphenylenesulfide (PPS), polyethersulfone (PES), ma ọ bụ polytheretherketone (PEEK), nke nwere ezigbo mmiri mmiri na ike na-eguzogide glassfibers, ma nwee ike iguzogide usoro okpomọkụ na-esote PTFE.
PTFEmicrowder: Iji jide n'aka na nke mbụ na nke ikpeazụPTFE nwere ike imekọ ọnụ.
Nke a na mbụ na-enweta njikọ kemịkalụ yana njikọta anụ ahụ na njikọ njikọta-a na-agwọ fiberglassfabric, na-emepụta ihe na-eme ka ọ bụrụ onye na-eme mgbanwe.
4.Hot-MeltAdhesiveFilmLamination(LaminationMethod) Usoro a, nke JiangsuAokaiNewMaterialTechnologyCo., Ltd., ji arụ ọrụ na-emebere tupu emebere ya, thickPTFEfilmstofiberglassfabric.N'ihi PTFEhasanextremelyhighmeltviscosity (ihe dị ka ihe ruru) aly10⊃1;⁰–10⊃1;⊃2;Pa·s), nke na-agbapụta ugboro asaa mgbe ọkụ n'elu ebe mgbaze, sodirecthot-pressbonding agaghị ekwe omume. Amelt-processable' na-ekpo ọkụ-meltadhesive' ga-ejirịrị, na-emekarị: FEP (fluorinatedthylenepropylene) ma ọ bụ PFA (perfluoroalkoxy) ihe nkiri , nke nwere ebe mgbaze karịa PTFE (ihe dị ka 260–310 Celsius) . Mgbe agbazechara, ha nwere ike weta fiberglassfabricandinter-sasa / gbazekwa na PTFEfil. msurface. N'ime usoro, FEP/PFAfil na-etinye n'etiti PTFE ihe nkiri na ụlọ fiberglass, ekpo ọkụ na nke a na-agbanye, na mgbe ọ na-eme ka ọ dị jụụ, na-agbanwe agbanwe.
5.Gradient Structure site na ọtụtụ imipu na usoro mmekọrịta
Ọtụtụ okpomoku dị elu na-eme ka beltsandarchitectural membrane ihe na-emepụta ọtụtụ usoro impregnation: Mbube mbụ na-emeziwanye mgbasa ozi PTFE nwere njikọ na njikọ njikọta, na-enye ohere ka primertopenetrated n'ime fiberbundles. Mgbe emechara, ọtụtụ ndị na-esochi mmebe iwu nwere PTFEemulsion dị ọcha yana usoro ntinye ga-aga nke ọma, na-ebute na-abawanye ịdị ọcha nke PTFE n'elu. Nke a na-emepụta mgbanwe n'usoro gradient site na fiberglass nke dị ọcha, na-enwe nrụgide dị n'ime na ike njikọ siri ike.
Mmechi
Nchikota, njikọ dị n'etiti PTFE mkpuchi na fiberglassfabricinTeflonhigh-okpomọkụ ákwà na-adịghị ahụkebe 'gluing' -itisacomplex (usoro nhazi nhazi): site na anụ ahụ na-eme ka ọ bụrụ ihe na-esi ísì ụtọ. Plingagents na ihe mbụ enwetara kemịkalụ njikọ na mgbanwe, yana site na okpomọkụ dị elu na-etinye aka iji mejupụta ngwakọta nke ngwakọta nke ndị na-eme ihe nkiri. IfonlypurePTFE ejiri kpuchie ya ozugbo, onye nlegharị anya ga-eji anya mmiri kwọọ.
