Ka holomua noiʻiʻana ma ka phyocyate
ʻOiai ua hoʻomakaʻia ko lākou hoʻomakaʻana ma 1937,ʻo Polyurethane Hoʻohanaʻia kēia mau lako i nāʻano like me nā kiʻi kīwī ahi, nā poʻo wai, nā manu, nā mea kūʻai lāʻau. ʻO ka puʻe nuiʻana o ka purenturized ka nui o nā meaʻelua aʻoi aku pahaʻo ISOCYANANES me nā mea hoʻonui nui o MacromoleCular a me nā mea hoʻonui i nā molena macromolecular. Eia nō naʻe,ʻo ka mea i loaʻaʻole i ka nui o nā ISOGYNANES i nā pilikia nui i ke olakino kanaka a me ke kaiapuni; Eia nō naʻe ua loaʻa pinepine lākou mai ka phosgene-he meaʻona nui loa
Ma ka mālamalama o keʻano o keʻano o kaʻoihana i keʻano o nāʻoihana a me nā hana hana e hoʻonuiʻia ai nā mea kūʻai aku ma keʻano he mea kūʻai aku i nā mea kūʻai aku ma keʻano he mau mea kūʻai aku ma keʻano Ua hoʻopuka kēia pepa i nā ala hoʻomākaukau no Nupuʻoiai e nānā ana i nā mea hou aʻe e hāʻawi i kahi mea e hiki mai ana no ka noiʻi houʻana.
1 synthesis of non-isocynate plyurethon
ʻO ka synthes mua o nā mollecular haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa e hoʻohana ana i nā carbores monocyclica i huiʻia me nā diaphatanic i ka manawa he 1950 I kēia manawa ua loaʻa iʻelua mau hanana nui no ka hanaʻana i nā nipu ʻO ka lua o ka lua i hoʻohuiʻia e pili ana i nā mea e pili ana iā Diretthane i waena o ka diuremedhane ma kahi o nā diods e hoʻomaʻamaʻa i nā cardicate style. Hiki ke loaʻa i nā kikowaena diamarboestetay ʻO ke kumu kālā a pau i nā hana a pau e pili ana i nā hui o Carbontic Acid e hāʻawi ana i nā hana Carbamate.
ʻO nā pauku e pili ana i ka elaborate ma nā alaʻekolu e hiki ai i ke alapine e hoʻopili ai i ka polyheshane me ka hoʻohanaʻoleʻiaʻo isocynate.
1.1bary Cyclic Carbeante ala
Hiki ke kiʻiʻiaʻo Nipula ma o nā hoʻohui pūʻana o ka carbical e pili ana i ka carbonate carbonate carbonate me ka binarine e like me ka mea i hōʻikeʻia ma ke kiʻi 1.
Ma muli o nā hui hydroxyl i hōʻikeʻia i loko o nā pūʻulu hana hou ma keʻano he nui chain i hana i kēiaʻano Letsch et al. Kūkuluʻia kekahi mau hana poki phus i hanaʻia e nā molena cyclicas i hanaʻia e nā molī carblic i hoʻohanaʻia no ka hoʻomākaukauʻana i nā molena Ua hōʻikeʻia kā lākou mauʻike i nā hui Hydroxyl i loko o Phus i kahi paʻa e pili ana i ka Hydrogen ʻO nāʻano likeʻole ma waena o nā'āpana palupalu e pili ana i keʻano he hydrogen i keʻano e like me ka paeʻana o nā microphase e like me nā kiʻekiʻe o ka hana ma hope.
Hana pinepineʻia ma lalo o nā mahana ma mua o 100 ° C i hana i nā huahana e like me nā mea iʻikeʻia e ka nui o nā mea kūʻai aku. Ke hele nei i nā wahi āpau ma waena o hoʻokahi lā a hiki i nā lāʻelima e pili ana i nā kumukūʻai nui e pili ana i ka nui o nā mea e hoʻopili ai
Ke Alakaha Pūnaewele 1.2montoctic
ʻO nā mea i kū pololei me ka diamine o ka Dicarbbamate e loaʻa ana i nā hui Hydrondent
ʻO nā mea hana pilikino maʻamau i hoʻopaʻaʻia e pili ana i keʻano o ka carbersnene ma mua o nā mea i hoʻopaʻaʻia ma mua Hoʻomaka i ka hanaʻana i nā laina waiwai e pili ana i nā mea waiwai nui e hōʻike ana i nā mea e pono ai e lele ana i kahi kokoke i ka nui o ka hoʻonuiʻana i nā wahi e lele ana ma kahi kokoke o ka pauʻana o ka papa .5 0 161 Wang et al. G / Mol Tensile Pinstile Fluctuating9 ~ 17 MPA ELROCTION RYERING35% ~ 235%.
ʻO nā mea e pili pono ai nā Cyclorbonal e pili ana i ka ukuʻana i nā paila ma lalo o nā'ōnaehana maʻamau Ma waho aʻe o nā ho'āʻoʻana i nā hana loiloi e nānā pono ai i nā mea i makemakeʻia e ka mana o ka honua.
1.3 Kūkā Kiʻiʻo Carbabatel
Hōʻikeʻo DMC i kahi leo leo ecologically / non-toxic Nā Kūlana liʻiliʻi-mau-ʻo nā dioplics / dioplops / Poslid-nui-Pioly
ʻO Deepa et.al i keʻano o ka loaʻaʻana o ka sodities soditus stivium e hoʻohālikelike ai i nā mika Nā Kūlana Kūʻai Dongdong i kohoʻia e pili ana i ka DMC heximethenene-diaminalpolychol. Noiʻi noiʻi e hoʻopuni ana i nā mana o nā mea i kohoʻia e nā mea i kohoʻia a me ka nui o ka huiʻana i nā mistalitydrofy Post-Sporting At230 ℃ .additional Expressications e hōʻike ana i nā mea noi non-Isochones ʻO nā hōʻailona kiʻekiʻe / Vacuum e hoʻokaʻawale i nā koina o nā mea e pono ai ka liʻiliʻi o nā kahawai wai
2 mau'āpana palupaluʻokoʻa o ka meaʻole-isocynate polyurethane
2.1 Polyethe PolyutonHarench
Ua hoʻohana nuiʻiaʻo Pomethea Polyethe.
Kebir et al. ʻO Pynhesized Poletera Polyether Polyurethane me DMC, he haʻahaʻa loa ka nui o ka moloka (14 500 ~ 14 822 Ua hoʻohanaʻia ka hui noiʻi zingo Jingbo ma Ettelenamate ʻO ka paona mole o nāʻano synthes i syntheszed o nā polyutic plyuturethannesʻo 17 3 000g
ʻO ka hui noiʻi o Zheng Liuchin a me Li chuncheng i waena o ka waena waena o nā molena likeʻole a me ka polycerasedylededydydrofunes (mn = 2 000). ʻO kahi pūʻulu polyether polyurethons Ke kumu a me nā waiwai o ka polyether polyether polurethane (Hypupu) i hoʻomākaukauʻia e NIPUYSYNY DIISE 1.
| Kōkuhi | ʻO ka hapa nui o nā'āpana nui /% | Molela kaumaha / (g·mol ^ (- 1) | Molecular kaumaha | Ikaika ikaika / mpa | Elongation ma ka wāwahi /% |
| Nipuu30 | 30 | 74000 | 1.9 | 12.5 | 1250 |
| Naipa40 | 40 | 66000 | 2.2 | 8.0 | 550 |
| HDLAPU30 | 30 | 46000 | 1.9 | 31.3 | 1440 |
| HdPup40 | 40 | 54000 | 2.0 | 25.8 | 1360 |
Pae 1
Hōʻike ka hopena o ka Papa ma ka Papa 1 Hōʻike i nāʻokoʻa kūpono ma waena o Nipeu a me Hdopu ma muli o ka pauʻana. Hoʻokomoʻia ka pūʻulu Urea ma kaʻaoʻao o ka NUPU. Ma muli o ka hopena, uaʻoi aku ka nui o nā mea hana me ka hydipula.
2.2 Plyester plyurethor
PyesTER PIYESTONHAN (Petu) me nā hana polyester e like me nā'āpana palupalu, a hiki ke hoʻohanaʻia i nā mea hana biodeitibels Hoʻohana pinepineʻiaʻo Polyester Diols i nā'āpana palupalu he polyburtyynedi diol, polyglycol idipate diol a polycaprodone doil.
Ma mua, rokicki et al. Ua hana houʻiaʻo Carbonate Melenene me nā maʻi a me nā diomine likeʻole (1, 6-hexaceliol) e loaʻa i ka nui Farhadian et al. Ua hoʻomākaukauʻia ka Carbonate polycyclic e hoʻohana ana i ka aila o ka lā ʻO ka hui noiʻi o Zhang Liqun mai kaʻenehanaʻo South China i hoʻonuiʻia i kahiʻenehanaʻo Diamorici i loaʻa iā Bibustades. ʻO ka hui noiʻiʻo Zhu Jin ma Ningbo Institute o ka noiʻiʻana i nāʻoihanaʻo Hexadamia e hoʻohana ai iā Hexadamial ʻO ka hui noiʻi o Zheng Liuchin a me Li Chuncheng hoʻohana adiicic adiictic ʻO kahi hui o ka meaʻole-isocynate polyesterstar Hōʻikeʻia nā mea hana o ka petunicanies o Petu i ka Papa 2.
| Kōkuhi | Ikaika ikaika / mpa | Elastic Modulus/ Mpea | Elongation ma ka wāwahi /% |
| Petu4 | 6.9±1.0 | 36±8 | 673±35 |
| Pōʻeleʻeleʻele | 10.1±1.0 | 55±4 | 568±32 |
| Petu8 | 9.0±0.8 | 47±4 | 551±25 |
| Petu10 | 8.±0.1 | 52±5 | 137±23 |
Papa 2
Hōʻike nā hopena i keʻano he palupalu o Petu4 i ke kumukūʻai kiʻekiʻe loa,ʻo ka nui o ka pāʻoihana ikaika, a me ka haʻahaʻa haʻahaʻa haʻahaʻa. ʻO ka Crystallization o nā'āpanaʻelua a me nā'āpana paʻakikī e kaupalenaʻia, e hōʻike ana i ka haʻahaʻa haʻahaʻa haʻahaʻa a me ka ikaika kiʻekiʻe loa.
2.3 pulycanconte pyurethosha
Polycarbate polycationhane (pcu),ʻoi aku ka pcu,ʻoi aku ka maikaʻi o ka paʻa, a me ka biodadatation maikaʻi, a ua hiki i ka hoʻopili maikaʻi, maikaʻi loa ma ke kula biomedicine. I kēia manawa,ʻo ka hapa nui o ka Nipu i hoʻomākaukauʻia nā polyetheshes polyethes a me nā plyester polyters, a he mau hōʻike noiʻi ma Poychalete pili polychonchete polychonhane.
ʻO ka meaʻole-Isoocyanate polycarøte Pyurethane e hoʻomākaukauʻia e Tian hengshou o ka hoʻokūkūʻo Tian henghilas ma ka paona ʻO ka hopena o nā kūlana o ka hopena o keʻano molela i ka paona o ka polyom i aʻoʻia, akāʻaʻole i hōʻikeʻia nā meaʻike. ʻO Zheng Lichun lāuaʻo Li chuncheng hui noiʻi noiʻi e hoʻohana i ka FMC, hexadademal a me Hexadiote e like me ka nui o nā DIGMANS. Hōʻikeʻia nā mea likeʻole i ka Papa 3.
| Kōkuhi | Ikaika ikaika / mpa | Elastic Modulus/ Mpea | Elongation ma ka wāwahi /% |
| Pcu18 | 17±1 | 36±8 | 665±24 |
| Pcu33 | 19±1 | 107±9 | 656±33 |
| Pcu46 | 21±1 | 150±16 | 407±23 |
| Pcu57 | 22±2 | 210±17 | 262±27 |
| Pcu67 | 27±2 | 400±13 | 63±5 |
| Pcu82 | 29±1 | 518±34 | 26±5 |
Papa 3
Hōʻike nā hopena i ke kaumaha nui loa o PCU kiʻekiʻe, a hiki i 6 × 104G / MPA. Hiki ke hoʻohanaʻia kēiaʻano o PCU e like me keʻano o ka palaki a iʻole he elastomer, kahi mea e hoʻonui ai i nā mea hana blafousing (e like me keʻano o nā limahana hana cardical.
2.4 Hybrid non-isocynate polyurethane
ʻO Hybrid non-Isocynate Pyurethane (ʻo Hybrid Nipu) ka mea i hoʻokumuʻia i ka huiʻana o Polirethane a hāʻawi aku i nā hui o Pyurethane
Feng yuen et al. E hana hou i ka OPO-Bio Aia ka Chale molecular i kahi kūlana kaulahao lōʻihi loa o Oletic ACID / Linoleic ACID. Loaʻa iā ia nā'āpana kiʻekiʻe kiʻekiʻe, a he nui ia i ka ikaika mechanical kiʻekiʻe a me ka paʻakikī kiʻekiʻe. ʻO kekahi mau mea noiʻi hou aʻe iʻekoluʻano prepolly a me nā hui o ka ferranyne glycol belyclience ʻAʻoleʻo NUPRID NIPUʻaʻole wale nā hiʻohiʻona o ka nipu
3 outlook
Ua mākaukauʻo Nupu me kaʻole o ka hoʻohanaʻana i ka Iyocyanate, a ua aʻoʻia i keʻano o ka papaʻaina, a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe a me nā huahana'ē aʻe. Eia nō naʻe, ua kaupalenaʻia ka hapa nui o lākou i ka noiʻiʻana i ka luna, aʻaʻohe mea nui nui. Eia kekahi, me ka hoʻomaikaʻiʻana i ke ola ola o nā kānaka a me ka hoʻomau mauʻana, ua lilo i mea noiʻi nui, e like me ka hoʻomanaʻoʻana, kiʻekiʻe. No laila, pono ka mea noiʻi e hiki mai ana pehea e wāwahi ai i nā pilikia koʻikoʻi o kaʻoihana a hoʻomau eʻimi i ke ala o ka hoʻomākaukauʻana i ka hana hana hana.
Post Time: Aug-29-2024