Na 2021, ikike imepụta ihe nke China bụ, a na-atụ anya ka nde tọn 6.145 na 2022, na-eto eto 7.5%. PA6 PA6 nwere ogo dị elu nke isi. A na-eji ihe dị ka 55% nke paịkọ pa6 maka eriri, na ihe dị ka 45%, wdg nde.
Paị nylon ojii
Site 2021 ruo 2022, ọnụahịa nke pa6 na-agakwa ọtụtụ ihe mgbochi ndị na-efe efe na ala.
Nylon 6 (Pa6), a makwaara dị ka Polyamide 6, niylon 6, ike ya arụ ọrụ na kristal dị mma, ma nwee njirimara nke nguzogide, yi nguzogide. A na-eji ya n'ọtụtụ ebe na ụlọ ọrụ ụgbọ ala, ụzọ ụgbọ mmiri, nkwakọ ngwaahịa, ngwa ọrụ elektrọnik. Ọ bụ ezie na arụmọrụ ya zuru oke dị mma, ọ nwekwara ọtụtụ adịghị ike. Dịka ọmụmaatụ, pa6 enweghị ọgwụ acid siri ike na alkali siri ike, yana ike ike adịghị elu na obere okpomọkụ na ala kpọrọ nkụ. Ịdị adị nke hydrophilic South ga-eme ka ọnụego mmiri dị elu dị elu, na-agbadata ike, ike na-ebelata nke ukwuu mgbe mmiri a na-adọkpụ nke ngwaahịa na akụrụngwa elektrik. Ya mere, ọ dị mkpa ịmụ mgbanwe nke pa6.
Pa6 eji na ugboala
Pa6 eji na akwa
- Pa6 arụmọrụ
Ihe akụrụngwa nke PA nwere isi mmalite, nke bụ ntọala nke nnukwu ọrụ mmepụta ọrụ ya. N'ihi nhazi oge nke usoro molecular, pa nwere ike itolite nkekọ hydrogen n'etiti Macromolecules, yabụ ọ nwere nnukwu mkpu ọkụ. N'otu oge ahụ, ọ nwekwara ihe ndị pụtara ìhè na arụ ọrụ, akụrụngwa kemịkal, akụrụngwa ikuku na akụkụ ndị ọzọ, gụnyere:
(1) Ike nke tensile dị elu na ike na-agwụ ike;
(2) Ezi Mmetụta Na-arụ Ọrụ;
(3) Nnukwu okpomoku;
(4) O nwere njirimara nke iyi na-eguzogide ma lubrication, nke na-enweghị atụ na ihe igwe.
(5) Ezigbo nguzogide na corrosion iguzogide mmegide kemịkal na ọgwụ ọjọọ;
(6) Nhazi nhazi dị mma, ịkpụgharị na-emegharị, apụpụ, na-akpụ akpụ na ụzọ ndị ọzọ maka nhazi ngwaahịa;
(7) ezigbo ihe mgbochi;
(8) Site na ọrụ kemịkalụ dị elu, ndị otu polar nwere ike meghachi omume na monars na polymers nwere otu polar na-etolite polymer ọhụrụ.
Iji nye pautical ngwá ọrụ pa6, a na-agbakwunye ụdị dịgasị iche iche, n'etiti ihe ndị kasị tinye bụ eriri iko. Elastomer ma ọ bụ roba sịntetik dị ka uri, SBR, ma ọ bụ EPDM na-agbakwunye iji nye pacermer mmetụta siri ike. Ọ bụrụ na enweghị ihe mgbakwunye na ngwaahịa pa6, akụrụngwa plastic nwere ihe ngbasa nke 1% ruo 1.5%, na mgbakwunye nke eriri iko na-enye ngwaahịa na ọnụego 0.3%. N'etiti ha, ihe ndị na-eme ka ọnụego mmiri ahụ na-ekpebi ọnụego nzukọ ahụ, yana usoro usoro dị ka imewe akụkụ nke akụkụ na mgbidi na-arụ ọrụ na ọnụego ya.
Eriri iko
Poe Eyestomer
Ọgwụ ọkụ nke pa6 maka ịkpụchi nsị dị mfe ịmịcha mmiri, yabụ na ọ ga-esiri ike na ọgwụgwọ ihicha tupu nhazi. Ọ bụrụ na etinyere ihe enyere na ihe eji egbochi mmiri, a ga-ejigide akpa ahụ na steeti mechiri emechi. Mgbe iru mmiri dị ukwuu karịa 0,2%, ikuku na-ekpo ọkụ maka ihicha na-aga n'ihu na-erughị 80 ℃ maka 16h; Ọ bụrụ na ekpughere ihe ahụ na ikuku maka opekata mpe 8h, ọ ga-abụ oghere akpọnwụwo na 105 ℃ ruo ihe karịrị 85.
- Usoro mmepụta nke pa6
Polymerization 1.two-ogbo
A na-ekewa polymerization abụọ na-ekewa ụzọ abụọ: polymerization na polymerization. N'ozuzu, ọ dị mma maka mmepụta ngwaahịa viscositse dị ka silk nke na-emepụta ụlọ. The two-stage polymerization mainly includes three methods: pre – and post-normal pressure polymerization, Pre-pressurization and post-decompression polymerization and pre-high pressure polymerization and post-normal pressure polymerization. N'ime ha, usoro polymerization metụtara nnukwu ego na ọnụ ahịa dị elu, na-esote polymerization polymerization na polymerization polymerization polymerization. Polymerization polymerization zuru oke nwere ọnụ ahịa dị ala ma ọ naghị achọ nnukwu ego.
2. Athyheric na-aga n'ihu
Plympilization na-aga n'ihu n'okpuru nrụgide nke ikuku nke silk obodo Pa6, nke dị n'etiti ụlọ ọrụ NOY dị na Italy bụ onye nnọchite anya kachasị. Ejiri usoro a mara nnukwu polymerization na-aga n'ihu na 260 ℃ maka 20h. A na-enweta Mpekere na ogbo mmiri na-ekpo ọkụ. Mgbe nitrogen na-akpọnwụ nke Oligomen, a na-agbake ndị monomers site na mmịpụta, ma na-aga n'ihu na usoro a na-aga n'ihu na usoro a na-aga n'ihu n'otu oge ahụ. Memplezọ a na-aga n'ihu na-aga n'ihu, nwere ike nweta ngwaahịa dị elu, mkpụrụ dị elu, na anaghị ebu nnukwu mpaghara n'ọrụ bara uru, bụ usoro mmepụta si Silk obodo ahụ.
3. Onye na-ahụ maka polymersis hydrizations
Lightzọ amịghe na-ejikwa polymerization na-eji nrụgide na-ejigide nrụgide. Usoro a dabara adaba maka mmepụta nke ọtụtụ iche na obere mpempe akwụkwọ ọkwa rọba. Otu oge nri, mgbe mmeghachi omume (oge otu oge) na nitrogen nrụgide, mịrị, mgbe ihicha iji dozie pa6. Enwere ike kee usoro polymerization ụzọ atọ: ọkwa nke mbụ bụ mmiri na-adọwa; Agba nke abụọ bụ oghere polymerization; Agba nke atọ bụ mmeghachi omume nha.
A na-enwe polymerization polmerization dabara adaba maka mmepụta nke ọtụtụ iche ngwaahịa dị iche iche ngwaahịa, ma ọ bụrụ na ọkachasị akụrụngwa dị elu karịa polycerization na-aga n'ihu, usoro nrụpụta ahụ dị ogologo, na-ekwu okwu ikwu okwu ikwu okwu ikwu okwu.
4.Twin-cractision na-aga n'ihu
Apụpụ eji agbatị na-aga n'ihu usoro polymerization usoro bụ teknụzụ ọhụrụ malitere n'afọ ndị na-adịbeghị anya. Ọ na-eme ka ọ bụrụ na anionic castic polymeric polymeric na caprolacram na-arụ ọrụ site na akpịrị ịkpọ nkụ ma na-abanyekwa na Exchan-cranschar. N'ime mkpụrụ ejima ndọtị, ihe mmeghachi omume na-akpali n'akụkụ ya na ntụgharị nke ịghasa, yana oke molecular na-abawanye. A na-ewepụta ihe dị ala site na oghere nke igwe ejima eme ihe, na polymer ahụ dị mma ma kpoo ya, mịrị amị na ngwongwo juru.
Usoro a nwere njiri mara nke obere mmepụta na usoro mmepụta dị mfe, yana oke molomed nwere oke molecular nwere ike ị wepụta ya na usoro mmeghachi omume dị obere, na-enweghị mmịpụta. Iri mmiri dị ala, ihicha oge dị mkpụmkpụ, nwere ike belata ike ike. N'otu oge ahụ, enwere ike ịchịkwa molecular nke ngwaahịa ahụ site na ebe obibi nke ihe ahụ na Exchan-cranschar.
- Ọmụmụ ihe na ngbanwe nke pa6
1.Helite
N'ihi ịdị adị nke Hydrogen Bonds na pa6 ụmụ irighiri ihe, mgbanwe ya na ike ya ga-emetụta. Site na mmụba nke njikọ di na nwunye hydrogen, ike nke PA6 ga-abawanye. Ihe ndị ọzọ carbon ka dị, ka ogologo ya na-agbanwe agbanwe, ka ọ bụrụ na ọ bụ. Njirimara arụmọrụ nke paịlị paịs nwere ike mee ka ọ dị mma site na ịgbakwunye eriri iko. Tetragonal Zno a witter nwere ezigbo ume. Dabere na nke a, nsonaazụ nke ọmụmụ ahụ na mmetụta nke nkwalite nke ZNO na-egosi ike tensiting mgbe ị na-abawanye ọdịnaya ikuku ga-ebelata nguzogide ọkụ na mmiri mmiri nke ihe ahụ. A na-emeso onye na-ahụ maka flancilking na-agwọ ya ma jupụta n'ime ngwaahịa nkedo pa6 maka mgbanwe. Ngwa nke ikpeazụ nwere nkwụsi ike nke ikuku dị mma, ọnụego na mmiri mmiri.
2.Fame Returration
Ederede oxygen nke Pa6 bụ 26.4, nke bụ ihe ọkụkụ. Iwu na usoro na iwu nke ọma chọrọ ịlaghachi azụ nke polymer nke ihe, yabụ ọ dị mkpa itinye oke mkpa na mgbanwe ezumike nke pa6 mgbe ejiri ya na ngwaahịa ndị metụtara ọkụ eletrik. Ọkachasị azụ nke aluminom pypophosphate dịtụ mma na ihe ndị a kwadebere site na-agwakọta nnu hypophosphate nnu dị iche iche na pa6. Mgbe ọdịnaya nke almophosphate almumis bụ afọ 18%, ọnwụ ihe ọkụkụ nwere ike iru 25, na Ul94 nwere ike iru V-0.
Ekwentị cyanuric acid (MCA) gbanwere na Phosphorus Red na-acha uhie uhie nke pa6. Phosphorus na-acha ọbara ọbara nwere ike igbochi nguzobe nke Bydrogen Hydrogen Hydrogen n'etiti Melamine na cynaric acid, na mca nwere ike itolite carbon n'okpuru ihe nke phosphorus uhie. Ya mere, gbanwetụrụ mca nwere ike igwu ọrụ na-ere ọkụ na mpaghara mpaghara gas na gas, nke na-eme ka mmelite nke ụlọ ahịa na-ere ọkụ. A na-agbakwunye Inter oxygen Internet site na ịgbakwunye Guanidine silfonic acid n'ime pa6 mattrix site na usoro iji gbazee. Nnwale Vetikal a na-egosi na a na-ebelata mkpụrụ nke droplets na-acha uhie uhie mgbe mgbakwunye Guytonine bụ ihe na-erughị 5%.
Phosphorus uhie
3.Tugwaning mgbanwe
Enwere ike ịnweta paịtị siri ike ma gbanwee site na ịgbakwunye resin resin ma ọ bụ Elestomer gaa Painn wee na-agwakọta na mgbakwunye.Mgbe ndị na-ahụ maka nkuchi ahụ na-akụzi sbs sbs, eriri aka nke akụkụ nke sọks sọ na pa6 nwetara site na usoro na-agbaze. Mgbe egosiri otutu sbs na-abawanye, ike ọgwụ n 'ike mmetụta nke sistemụ ahụ yana enweghị mgbanwe nke ihe ahụ. E jiri ya tụnyere akwụkwọ akụkọ Pa6 na EPDM, Epdm anyado na nwoke manicydride nwere nraraba rọba na rọba ma ọ bụ ike. Mgbe usoro EPDM jigide ya na Manicydride bụ 15%, ihe ndị ahụ gbakọtara nwere ugboro 9 karịa ndị ọzọ na-emetụta ike karịa pa6 ihe.
SBS Undening Achinga
Isi iyi nke foto: guifen roba na plastic
4. Mgbanwe agbanweela
A na-etinye oghere akụ na ụba na Pa resin, yana ihe ndị ọzọ mejupụtara na-enweta mgbe agwakọta ya na mgbakwunye. Iji silicon carbise dị ka ihe mgbochi filler, jikọtara ọnụ kh560 na epoxy resin e51 iji gwọọ elu nke oghere, site na ịkpụcha ọkụ na-arụ ọrụ nwere arụmọrụ dị mma. Mgbe ejupụta na-eme ihe mgbochi ọkụ, paị ndọtị ahụ, kristal, iguzogide, iguzogide ihe na-emepụta ihe nke ndị mejupụtara ga-agbanwekwa.
Silicon Carbide
Ngwakọta mejupụtara sitere na pa6 na Mongen Montmorillonite na-emeso site na agbaze agbaze na-acha uhie uhie nwere esemokwu dị egwu ma na-eyi, nguzogide na akụrụngwa. Njupụta ahụ bụ ntụ ntụ aluminom, mkpụrụ osisi ahụ bụ ihe copolized pa6 na pa66, a ga-akwadebe ihe mejupụtara site na agbaze agwakọta. Mgbe ọdịnaya nke aluminom na-abawanye, ike Tenle nke Compalite na-abawanye mbụ wee belata, na Modulus modulu na-eji nwayọọ na-abawanye, ebe ike ike na-abawanye. Mgbe emejuputara na microbeads na pa6, isi ike, mmetụta na ike Tensian nwere ike ka mma nke ukwuu, a ga-enyekwa ya nkwụsi ike nke ukwuu.
5.PA alloy
Pa6 alloy bụ nke ọtụtụ ihe mejupụtara, ọtụtụ n'ime nke mejupụtara polymers abụọ, n'etiti nke polymer, nke na-ejikọ polymer na colowming na cololymen. Pa6 na nwoke na-anyụ anyụ achara anya nke polypropylene (PP-G-G-G-Mah) dị ala karịa pa6, ma nwee ike mmetụta dị elu karịa pa6.
Obere isi na-acha odo odo na-acha uhie uhie
Enwere ike ịkwado mkpụrụ osisi polyethylene dị ala (mah) na mmalite diisoproplene (DDP), mah) na diisopropyl peroxide (DCP) na-ekwu okwu. Mgbe ahụ, ngwakọta nke LDPE-G-Maa na pa6 ga-akwado usoro iji gbazee na obere obere pa6. Mgbe usoro egwu Anhydride bụ 1.0, mgwakọta ahụ nwere ike ịnwe ike dị iche iche Tenge kacha mma. Mgbe usoro ọgwụ oke bekee na 1.0 akụkụ, mgbanwe nke DCP usoro DCP agaghị enwe mmetụta dị ukwuu na Njirimara nke ngwakọta nke ngwakọta. Mgbe usoro onunu ogwu nke DCP bu 0.6, enwere ike inweta ike tensile nke a nwere ike inweta.
Ihe atụ Past nke teknụzụ Pa6 gụnyere Switzerland's Interenta, Italytali Noy, na Kart Fischer na Zimmer. Dabere na teknụzụ ndị ọzọ na-arụ ọrụ na ahụmịhe mba ọzọ na ahụmịhe mbadamba, na-eme ka teknụzụ nke mmepe ụwa), na-erute ihe dị ka Tia2 ma ọ dị mkpa ka ewebata ya).
Ike polymerization nke pa6 na China emeela ka usoro mgbasawanye ngwa ngwa, yana ike mmepụta dị anya karịa nke pa66. Na ọkwa dị ugbu a, nyocha a na-agbanwe nke Pa6 bụ tumadi na-ewusi ike, ịzụ ahịa na-adị ike, na-ewebata njikọta acidic, iji wee nweta usoro mgbochi). Ọ bụ ezie na ụdị mgbanwe a na-arụ site na ngwakọta ihe ndị pụrụ iche, usoro mgbanwe nke ewepụta na mmeghachi omume dịkwa mma. Site na mmepe nke teknụzụ nke ọgbara ọhụrụ, enwere ike webata ihe nano nke Nano iji gbanwee ihe dị elu pa6 iji nweta ihe siri ike, dị elu, ike iguzosi ike na electroplating, ka ọ na-egbo mkpa nke ubi dị iche iche.
Synthment Tech.commited na nyocha na mmepe nke nylon modifier, Mmepụta, na-ebute ahia ụlọ, na-eme nchọpụta na-achọ ahịa.
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Oge post: Mar-16-2023