Pa66 (polyamide 66 ma ọ bụ nilin 66) bụ ebe a na-eme ihe na-acha uhie uhie, nke na-eme nke ọma site na polyconsenssation nke Adipic acid na diticine. Ọ bụ insoluble na dum nkwado, yana naanị soluble na m-cresol na ndị ọzọ. O nwere ike dị elu na isi ike, ma sie ike. Enwere ike iji ya dị ka plastik nke injinịa, ngwa ọrụ ndị na-adịghị mma, kama ọ bụ ihe ndị ọzọ na-abụghị ndị na-adịghị mma, wdg, yana mkpa nguzonta na ike chọrọ Ngwaahịa. Enwere ike iji ya mee ihe.
ozi izugbe
Ọ bụ ebe a na-eme ihe na-eme ka ọ bụrụ otu ndị otu (-ncon-) na-emegharị otu usoro molekule nke ụmụ agbọghọ. A na-emekarị na pellindtical pellets, na ịdị arọ molecular nke polyamides nke eji plastik na-abụkarị 15,000 ruo puku tọọ0,000. Echiche ndị a na-ahụkarị dị iche iche bụ ike ọgba aghara, ike dị elu (ihe ruru 104KPA), na-eguzogide (na-eguzogide) ~ 250 ℃, steeti ndị ahụ na - emegharịgharị dị elu, ihe dị mma nke 1.05 ~ 1.15 (enwere ike ịgbakwunye selfe ka ọ bụrụ ọnụ ọgụgụ ahụ ruo 1.6), ọtụtụ n'ime ndị na - abụghị ihe ọjọọ. Agbanyeghị, mgbe ndị monomer dị na resin dị oke elu, ọ dịghị mma maka akpụkpọ anụ ma ọ bụ nri, ma ọ na-abụkarị usoro ịdị ọcha dị ọcha na mba dị iche iche.
Ngwaahịa Nylon
Akụkọ ihe mere eme mbụ nke ụdị poliyamide bụ Polyamide 66 (ntụgharị, Nylon 66), Nylon 66), nylon na-emepụta (nylona ire) N'afọ 1938, nkeji ụlọ ọrụ na-azụ ahịa 1939 na-arụ ọrụ. N'oge ahụ, a na-eji polyamide maka mmepụta nke eriri, ụdọ na mkpuchi. Iji ihe ndị a emelitere ọtụtụ ihe n'oge agha ụwa nke abụọ, na fim na plastics mgbe agha ahụ gasịrị. 1941 hụrụ mmalite nke polyamide 6 na Germany, mmepe nke polyamide 610. 1950 hụrụ mmepe nke Polyamide 11 na France. 1958 Hụrụ Mmepụta Ọrịa nke Polyamide 1010 na China, na Co-polinamide na USSR. 1966 hụrụ nnukwu mmepụta nke Polyamide 12 na Heal Chemical Companyka na Federal Republic of Germany. N'afọ 1972, US DUPOT ghọtara mmepụta nke polamial poleyamis. Afọ 70 ka nke ahụ gasịrị, mgbanwe nke polyamodes amaala mmịiko, ọkachasị mmepe nke ụlọ ọrụ petrochemical, nke na-abawanye kwa afọ, nke mere na Polyamide etolitela na klas nke Iche iche, enwere ike imeghari ya otutu ihe eji eme polymer.
Emume ngosi
Pa66 Polyamide 66 ma ọ bụ Nylon 66 Chemicals na Njirimara Njirimara Pa66 nwere isi na-agbaze na akụrụngwa polyamide. Ọ bụ ihe na-egbu egbu-kristal - kristal ihe.Pa66 na-ejigide ike ya na ike dị elu. Ihe na-enye hygroscopicity na geometrical kwụsie ike n'uche n'oge atụmatụ ngwaahịa. Iji meziwanye ngwa ọrụ nke pa66, a na-agbakwunye ụdị dịgasị iche iche. Iko bụ ihe ị na-ahụkarị, na mgbe ụfọdụ ndị na-ejegharị na-ete akwụkwọ dịka EPDM na SBR na-agbakwunye iji meziwanye nrụgide. Pa66 nwere viscosity dị ala ma ya na ezigbo mkpagharị (mana ọ bụghị dị ka pa6). Enwere ike iji ihe a na-eji igwe eji eme ihe. Ọrịa viscosity na-emetụta ọnọdụ okpomọkụ.Pa66 dị n'etiti 1% na 2%, na mgbakwunye nke ihe ndozi iko nwere 0.2% na 1%. Scardages na ntuziaka nke usoro ahụ na ntụzịaka siri ike gaa na usoro nke usoro a ka ukwuu. Pa66 bụ ihe mgbaze na-eguzogide ọtụtụ ngbanwe, mana na-adịkarịghị eguzogide na acid na ụfọdụ ndị ọzọ chlorited ndị ọzọ.
Akụrụngwa na kemịkal
PA66 plastik akụrụngwa maka sụfere ma ọ bụ mifilents ofalescent ma ọ bụ na-acha odo odo kristal kristal, na plastity. Njupụta (g / cm3) 1.10-114; ike tensile (MPA) 60.0-80.0; Rockwell siri ike 118; na-agbaze isi 252 Celsius C; Embrittlement Roly -30 Celsius C; Ọnọdụ ikuku nke ihe karịrị 350 Celsius C; iguzogide okpomọkụ na-aga n'ihu 80-120 Celsius C; ike ike (kj / m2) 60-100; Static na-akụda ike (MPA) 1 00-120; Martin Okpomoku na-eguzogide (° C) 50-60; Vaniel modulus nke elasticty (MPA) 2000-3000; Elu olu (ωcm) 1.83 × 1015; Mmiri na-agbapụta mmiri 2.5%; Dielecric Union 1.63.
Usoro usoro kemịkal: [-NH (CH2) 6 -Vco (alkalis, ọtụtụ na-eguzogide ọgwụ, halogenated alkanes, hydrocarbons, bụ otu, na corrosive
Pa66 nwere obere ihe na-emegharị ya na ihe polyyamade. Nhazi ngwaahịa, pa66 nhichapu n'etiti 1% na 2%.
Ugbu a na-ekesasị ahịa na ọtụtụ mmiri site na ngbanwe ahụ, otu ahụ nwere ike imepụta ihe ndị na - eme ihe mbụ, ebe ọtụtụ ndị ahịa ịchekwa nnukwu ego ọnụ ahịa.
Ndozi polamide
Usoro nke bụ isi tinye ihe mgbakwunye kwesịrị ekwesị na usoro polymerizations ma ọ bụ nhazi, iji nye resins dị iche iche nke njiri dị iche iche. Ihe mgbakwunye a na-ejikarị bụ: ① ① ọma. Gụnyere nkwụchi ọkụ na mmachi, nke nwere ike iji mee ka nguzogide na-eguzogide na ọkụ nke polid na-emepụta nylon. Ọ bụrụ na ị gbakwunye carbon ojii 2% (ogo), enwere ike iji polyamide n'èzí ruo ogologo oge. ② a na-ejikarị ihe na-ejikọ ihe. Emere na Nylen siri ike imeziwanye ihe ike, belata creep, ma mee ka ịkpụpụta ngwaahịa a na - emebilata, nkwụsi ike nke ọma. Mee ka eriri ọla, ọ bụghị naanị na didigus dị elu, kamakwa ọ na-eduzi. Na mineral nwekwara mmetụta dị mma nke nkwalite, ma mee nhazi na ịkpụzi ihe dị mfe, belata. Molybdenum na-enyekarị na polytetrafalaoathylene bụ ihe na-eme ka ihe na-emeghe ihe, ma nwee ike melite iyi iguzogide. ③ ihe mgbakwunye na-eri. Ejiri m imepụta microcrystalline nylon, nwere ike ime ka oge na-akpụ akpụ, nke mere na ịkpụzi akpụgharị na-adị mkpụmkpụ site na 20% ruo 30%. Na mgbakwunye, enwere ike ịgbakwunye na ngwa ahụ, enwere ike ịgbakwunye lubric.
Ofzọ ọzọ nke mgbanwe bụ copletmerization, copolization nke nylon bụ ihe dị mma na-akpọsa ihe na gasket akara akara; Polyyamide na polyteins igbochi ike conpymerization, nwere ike imeziwanye ike na nguzosi ike, belata ndọtị mmiri, na ngwaahịa plastik dị ala. Taa n'ụzọ dị irè iji dozie ntụpọ nke polilide nke polinaide bụ otu n'ime ntuziaka maka mmepe nke ụdị iche iche na-adịbeghị anya.
Ojiji
A na-eji ngwaahịa plastik polical dị iche iche dị iche iche, gụnyere ihe dị iche iche, ihe ọkụkụ, akwara dị elu, olulu mmiri, wiilị, Ntanetị, igbe batrị, collical cols, njikọ eriri na ya. Enwekwara teepu ngwugwu, ihe nkiri nri (nri esi nri dị elu na mmanya dị jụụ na ihe nkiri dị jụụ na mmepụta dị obere. Companylọ ọrụ Mansonto na United States iji mepụta plastic plastics maka ịkpụgharị na-eme mmegharị ahụ, a makwaara nke ọma na ntụpọ na-eme ka ọ na-adọkasị ya, nke mere na polinamide na asọmpi Site na ihe eji eme ya, n'ime ugboala na-emeputa ihe na-emeputa ihe iji belata ibu, nbudata ume na mbelata ego achotala uzo ozo.
Isi ihe nke pobur pobers (aliphatic) bụ nylon 66 na nilison 66, ndị na-akpọkarị nilon. Ha nwere ike dị elu, udo na-eguzogide ike, iguzogide ọtụtụ nrụrụ na ike ọgwụgwụ na-eguzogide polyester, dị elu karịa eriri ndị ọzọ. Ha nwere ezigbo okpomọkụ dị mma, mana ọkụ na-adịghị mma na iguzogide ọkụ. Enwere ike ịme fir face fiber poated n'ime sọks, uwe, uwe elu, uwe elu, uwe elu ska, mmiri ozuzo, wdg.; Enwere ike iji owu sie ike na owu, ajị anụ na eriri vional, yabụ na akwa ahụ nwere ezigbo nguzogide na ike. Enwere ike iji ya dị ka velcro, carpets, akwa eji achọ mma na ihe ndị ọzọ. A na-ejikarị ụlọ ọrụ na-eme ihe eji eme ihe, na-akpọ eriri, na-ezipụ eriri, eriri na eriri.
