Polymimide: Aha English Polymidide (PI maka mkpirisi)
Otu n'ime Polymide dị ka ihe ndị injinịa pụrụ iche, a na-ejikarị ya n'ọtụtụ ebe, aerosce, Microsaceciacrics, nano, kristal, laser na ubi ndị ọzọ. N'oge na-adịbeghị anya, mba ndị na-eme nnyocha, na-etolite na iji polyimide dị ka otu n'ime plastik injin na-ekwe nkwa na narị afọ nke 21. Polymidide, n'ihi atụmatụ ya pụrụ iche na arụmọrụ na arụmọrụ ma ọ bụ dị ka ihe arụ, ma ama ama ama ọfụma, onye a maara dị ka "solver sorver), na" na "na" na "na" ọ dịghị Polymidide agaghị enwe teknụzụ microElecrics taa.
Pollimide bụ ihe owuwu nke nwere njikọ na-ejikọ ọnụ nke polymitic Heterocyclic ogige, a na-ekewa pinye (paini) na polyathatimide (pei ) usoro anọ.
Polyimide PI dị ugbu a na ụdị kachasị mma nke injinịa nke ọma, ụfọdụ iche nwere ike iguzogide ọnọdụ okpomọkụ nke 290 ℃, na mgbakwunye na ihe eji arụ ọrụ, ike ọgwụgwụ .
Ngwa Ngwaọrụ nke Polymimic na ngwa eletriki, ụlọ ọrụ eletriki iji mee bọọdụ sekit, ihe mkpuchi mmiri, eriri na-eguzogide okpomọkụ, ntọala, akụkụ, akụkụ, sọks na mpaghara ndị ọzọ.
Hony plastik Plactizes na mmepụta na nhazi nke mkpanaka polymimide, gaskets, na akpụ akpụ akpụ akpụ nke ngwaahịa PI.
Arụmọrụ nke ngwaahịa polyyimide
1, Pomiatic niile polylimide dị ka nyocha ahụ na-ahụ maka nyocha ahụ, mmalite nke oke okpomọkụ na-abụkarị 500 ℃. Polyhesetyyltetyltetraarshylic acid Diahydrine na P-Prenylenedenine na Prenylelenine na okpomọkụ nke 600 ℃, bụ otu n'ime polymers na nkwụsi ike nke ụdị dị elu.
2, Polymidide nwere ike iguzogide oke okpomoku, dika -269 ℃ na helium mmiri helium agaghị enwe ike.
3, Poyensimide Poly Njirimara dị mma, ike Tensillow na-agbanwe agbanwe nke poly 100Ma, homobade-ụdị ụdị polimenene (KACHENAD Polylide Polymide (Nordilex s) ruo 400MPA. Dị ka plastini injinịa, ego nke ihe nkiri na-agbanwe agbanwe na-abụkarị 3-4GB, eriri ahụ nwere ike iru 200GB, dị ka eriri usoro ihe ruru 500GA, nke abụọ naanị na carbon fiber.
4, ụfọdụ ụdị polymimide innosuble na sonvic na-edozi, iji ihe nkwụsi ike, nke a adịghị ka na-eguzogide ọgwụ nke Polylimise dị iche iche na polymers ndị ọzọ dị elu, akụkụ dị ukwuu, Nke ahụ bụ, ojiji nke alkaline hydrolyside nke akụrụngwa, dị ka dianhydride na diamin, dị ka ihe nkiri Kapton, ọnụego mgbake nke ruru 80% -90%. Gbanwee ihe owuwu nwekwara ike iguzogide oke ntuli aka na nkpuru hydrolysis, dika iguzogide 120 ℃, awa 500 nke esi.
5, ọnụ ọgụgụ nke mgbasa ozi polymimide nke ngwaahịa polynimide na 2 × 10-5-3 10-5 Celsius C, biphehyyl dị ka 10-6 ° C, ụdị iche 10-7 Celsius C.
6, Polymidise nwere nguzogide nke irrodiation, ihe nkiri ya na 5 × 109rad ngwa ngwa nke 90%.
7, Poolymide Proolctic nwere ezigbo doelectic Njirimara, dielectric mgbe niile nke 3.4 ma ọ bụ karịa, nha ikuku na-agbasa na Polylimide, enwere ike belata ihe dị ka 2.5. Dielactcric ọnwụ nke 10-3, ike dielectric nke 100-300KH / mm, Guangcheng thermoplastic Polimide maka 300kv / mm, nguzogide nke 1017ω / cm. Ngwongwo ndị a n'ọtụtụ okpomọkụ na oke oge a ga-ejigide na ọkwa dị elu.
, Polymimide bụ onye na-eme polymer na-emenyụ nke na-adịghị ala, ọnụego anwụrụ ọkụ dị ala.
9, polymidide na nnukwu oghere dị elu n'okpuru obere ihe.
, Polylimide bụ ihe na-abụghị ihe na-adịghị mma, iji mepụta Tellware na * arịa, na iguzogide ọtụtụ puku ugboro. E nwere ụfọdụ polymid nwekwara ezigbo biocompatibility, dịka ọmụmaatụ, na nnwale nke ọbara maka ọgwụ mgbochi, na nnwale vitro cytotoxicity maka ndị na-anaghị egbu egbu.
Ngwa nke ngwaahịa polyyimide
N'ihi ihe a dị n'elu polylimide na arụmọrụ na kemịkal nke ọma, n'ọtụtụ polymers, o siri ike ịchọta ụdị ngwa a, na akụkụ nke ọ bụla n'ime akụkụ ndị a egosila arụmọrụ dị oke egwu.
1, ihe nkiri: Polylimide * otu n'ime ngwa ahịa, eji maka mkpuchi ikuku na akụrụngwa ikuku. Isi ngwaahịa bụ duponton ka ọ bụ usoro iwu na-ewu ewu, na nke Jongbuchi. Enwere ike iji ihe nkiri pollimide nwere ike iji dị ka efere anyanwụ nke ikuku na-agbanwe agbanwe.
2. Achịcha: Ejiri dị ka ihe na-egbochi varish maka wires electromagnetic, ma ọ bụ dị ka mkpuchi okpomọkụ dị elu.
3 Ọ bụ otu n'ime ihe eji arụ ọrụ okpomọkụ dị elu. Iji maa atụ, United States of StateSiner SuperSiner SuperSinic StateSiner nke America mere maka ọsọ nke 2.4m, elu elu elu nke 177 ℃, a na-akọ na kpebiri na 50% nke ihe owuwu 50% Nke ihe eji eme polimiplasting polimide dị ka matriks resin ciber ciber na-emekwu ihe, ọnụego ụgbọ elu ọ bụla bụ ihe dị ka 30T.
4. Fiber: modulus nke ikenye naanị na eriri carbon, dị ka mgbasa ozi dị elu na akụrụngwa na-enyocha ihe na-enyocha ihe na akwa mkpuchi.
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6 Ejiri ya mee ihe maka ịchụ onwe onye, akara, mechie mkpuchi na ihe owuwu. Ihe ndị ọzọ polycheng na-amalite iji rụọ ọrụ na pocomor rotor na-acha odo odo, ihe mgbaaka piston na akara pụrụ iche na akụkụ ndị ọzọ.
7. ARSESIV: Ejiri dị ka ihe eji arụ ọrụ okpomọkụ dị elu. Emepụtala ihe nraranye polycheng pollimide dị ka ihe mkpuchi mkpuchi maka ihe eji eme elektrọnik.
8. Ogwefoto nkewa: A na-eji kewaa ụzọ abụọ dị iche iche, dị ka oxrogen / nitrogen, carbon dioxide / nitrogen ma ọ bụ mat. carbon, wdg. Ejirikwa akpụkpọ ahụ na-efe efe na membranes na memtrafiltration. N'ihi okpomoku nke polynimide na ọnya afọ na-eguzogide, na nkewa nke ihe gas na mmiri dị ezigbo mkpa.
9. Photoressist: Enwere nrapado na-adịghị mma ma dị mma, mkpebi pụrụ iru ọkwa subcron. Site na ụkwara ma ọ bụ yin nwere ike iji maka fim na-ese ihe, nwere ike ime ka usoro nhazi dị mfe.
10. Ngwa na ngwaọrụ MicroElectronic: ejiri dị ka akwa oyito maka mkpuchi mkpuchi nke interlayer, dị ka akwa na-echekwa nwere ike belata ike, na-eme ka mkpụrụ osisi. Dị ka oyi akwa, ọ nwere ike belata mmetụta nke gburugburu ebe obibi na ngwaọrụ ahụ, ma nwee ike ịme ọrụ dị nchebe maka - ọrụ ọta ọrụọ, na-ebelata ma ọ bụ kpochapụ njehie dị nro nke ngwaọrụ ahụ.
11. Nchịkwa ihe ngosi nke ihe ndị na - eme ihe nkiri: Polylimide na TN-LCD, Shn-Lcd, TFD na ọdịnihu nke usoro nke ihe ndị na - eme ihe dị mkpa.
12. Eletriki - ihe ngwa ngwa: eji ihe eji eme ihe eji eme ihe ma obu ihe eji eme ihe na ntuli aka nke ihe nlere anya.
Na nchịkọta, ọ bụghị ihe siri ike ịhụ ihe kpatara Polylimide nwere ike isi site na 60s na 70s, ọtụtụ polymers Herocyclic pụtara, * mesịa ghọọ ụlọ akwụkwọ polymer dị mkpa.
Ọrụ nke polimide Gaskets na nkọwa
Polimidide Gasket bụ ngalaba plastik dị elu emere nke ihe polyimide. Gasket a na-arụ ọrụ dị mkpa na mmepụta ọrụ, ọkachasị gosipụtara n'akụkụ ndị a:
Nke mbu, oru nke akara
A na-ejikarị gashets pollimide na-ejikarị akara aka n'ihi ihe ọma ha na-agbanwe agbanwe na nguzogide nke corrosion. Na pipeline, valves, pọmpụ na njikọ akụrụngwa ndị ọzọ, ojiji nke veysimide ga-egbochi gas ma ọ bụ mmiri mmiri, iji hụ na arụmọrụ nke sistemụ ahụ.
Nke abụọ, ọrụ nke mkpuchi
N'ihi ihe ndị na-ahụ ọkụ eletrik nke nwere ihe nke polylimide, ya mere a na-ejikarị pollimide na-abụkarị ka ọ bụrụ na a na-azọ nonskets ngwa eletriki. O nwere ike mee ka sekit rụọ ọrụ nke ọma, gbochie obere sekọnd ma ọ bụ mkpụmkpụ, si otú ahụ na-eme ka nchekwa na nkwụsi ike nke ngwa eletriki.
Nke atọ, nsonaazụ
N'ime akụrụngwa eji arụ ọrụ, ọtụtụ akụkụ na ọrụ ga-emepụta ihe na mmetụta. Polilidide Gasket n'ihi ezigbo ihe na-adịghị mma ma na-eyi nguzogide, nwere ike igwu egwu n'etiti akụkụ ndị a, belata iyi na mkpọtụ.
Nke anọ, corrosion nguzogide
Ihe polynimide ihe nwere ezigbo kemịkal, nwere ike iguzogide acid dị iche iche, alkalis, soonic soncher na ihe ndị ọzọ kemịkal. Ya mere, na kemịkal na ọgwụ ọgwụ, a na-ejikwa mpaghara pollimindu na ọtụtụ pipilines dị iche iche, ndị na-ebugharịghachi na akụrụngwa ndị ọzọ.
Na nchịkọta, gashets gaskets na-akpọ ọtụtụ ọrụ dị iche iche na mmepụta ụlọ ọrụ. Ọ dị mma na-eguzogide ọnọdụ okpomọkụ, na-eguzogide, na-eyi nguzogide na akụrụngwa mkpuchi eletrik, na-eme ya akụkụ dị mkpa n'ụdị ụdị dị iche iche. Ma na akara, mkpuchi, cushipinge ma ọ bụ kemịkalụ kemịkalụ, onye na-ahụ maka pollimide gosipụtara arụmọrụ dị mma.
