Mama 99%min 1,4-Phenylene diisocyanate CAS 104-49-4 p-phenylene diisocyanate (PPDI)
Igoa Vailaau: 1,4-Phenylene diisocyanate
upu uiga tutusa: p-phenylene diisocyanate (PPDI)
Fuafua mole: C8H4N2O2
mamafa mole: 160.13
Numera CAS: 104-49-4
Meatotino fa'aletino: PPDI ose pa'epa'e pa'epa'e malo. Liu liusuavai: 94 °C. Mea fa'apuna: 110~112 °C (3.3kPa) Malosi: 1.17g/cm3
O le PPDI e mama 1,4-Phenylene diisocyanate (PPDI), numera CAS o le 104-49-4. O le PPDI ose sui fa'amālōlōina / fa'alautele filifili mo polyurethane (PU) elastomers thermoplastic. O loʻo faʻaalia e le PPDI le tuʻuina atu o elastomers ma le faʻatinoina o le faʻatinoga lelei. O le tulaga lelei o le maualuga-saosaoa uili gaosia ma le PPDI e mafai ona tu mo le maualuga maualuga o le vevela i lalo o le saoasaoa ma le faʻaauauina o gaioiga / gaioiga. O le mea lea, o uili faʻavae PPDI o se fofo lelei mo na manaʻoga umi le ola, tele le utaina o le malosi ma le maualuga o le vevela manaʻomia. I se tulaga lautele, PU elastomers o loʻo faʻaalia i le sili ona lelei o le abrasion, loimata ma le tipiina o le teteʻe faʻatusatusa i paʻu gaosia. E ui lava i le PPDI ma le MDI e tutusa le faʻatulagaina, faigata ma le modulus meatotino faʻatusatusa i le TODI, o le isocyanate e maualalo le fua o le polyol i le polyol i le PPDI. O le mea moni, o le PPDI-type elastomers e sili atu ona fetuutuunai nai lo masani MDI-ituaiga ma TODI-ituaiga polyurethane elastomers. I totonu o polyurethane elastomers, PPDI-fa'avae ua lauiloa mo uili sili ona mamafa, e pei o pa'u mo forklifts, taavale ma vaalele; ta'avale ta'iala, uili mo masini; ta'avale si'osi'omaga maualuga ma isi. I se faapuupuuga, o le PPDI-ituaiga elastomer o le filifiliga sili lea mo le faʻaogaina o le abrasion aupito maualalo ma le vevela maualuga. I aso nei, o le PPDI curing agent o loʻo faʻaaogaina lautele i TPU-oloa e pei o le faʻalauteleina o filifili autu, ma o loʻo faʻaauau pea le faʻalauteleina o le talosaga, e aofia ai mama O-mama, faʻamaufaʻailoga hydraulic, fetu faʻatasi ma lau lomitusi squeegee lau.
Fa'amanuiaga mo ona tulaga fa'apitoa o le vevela, abrasion, loimata ma tipi tete'e, PPDI-fa'avae elastomers o lo'o fa'aaogaina lautele i luga o alamanuia e mana'omia mo le fa'aleagaina, vevela-mau galuega. O le PPDI o le tagata autu lea i le TPU (thermoplastic polyurethane elastomer). Fa'amaufa'ailoga eletise, solo, fa'amaufa'ailoga piston, O-mama, fa'amaufa'ailoga tootoo, pulleys e mana'omia mo le fa'afefe vevela ma le fa'amalosi malosi o isi vaega taua o le sui fa'amalolo a le PPDI. E le o taʻua paʻu mo forklifts, taavale, masini, vaalele ma pulleys, uili, taʻiala taʻavale mo elemene faʻafefe o le isi vaega mo PPDI-ituaiga elastomers.
afifiina: 20kg, 40kg, 50kg/uʻamea paʻu.
Teuina ma felauaiga: PPDI e matua maaleale i le susu. O le vai e fegalegaleai ma diisocyanates uma e fausia ai mea e maua mai i le urea e le mafai ona solu. Aua le tu'u le PPDI fa'atasi ma mea'ai ma 'alofia le fa'aalia i se si'osi'omaga i luga atu o le 30 ℃. A maeʻa ona faʻaoga, e tatau ona faʻamaufaʻailoga vave le tapuni pe a faʻaleagaina. I lalo ole tulaga talafeagai i fafo, o le PPDI e aoga mo le ono masina a itiiti mai e amata mai i le aso na tuʻuina atu ai.
Fa'ameamea | 1,4-Phenylene diisocyanate (PPDI), P-Phenylene Didisocyanate, Paraphenylene diisocyanate, Benzene 1,4-diisocyanate |
CASNnumera | 104-49-4 |
NCO % | 52.5% |
Uiga manogi | manogi cyanate |
Mama | ≥99.0% |
Malosi | 1.17g//cm3 ile 20°C |
Fa'apuna | 236.2°C ile 760 mmHg |
Mea malulu | 96-99°C |
Fa'ailoga moli | 92.4°C |
Omiga ausa | 0.048mmHg ile 25°C |
Aofa'i chlorine | ≤ 0.1% |
Hydrolysable chlorine | ≤ 0.03% |
Liu liusuavai | 94°C |
Oloa | 1,4-Phenylene diisocyanate(PPDI) | |||||
Vaega Nu | 2300405 | afifiina | 20kg/tapa | Tele | 500kgs | |
Aso o le gaosiga | 2023-04-05 | Aso e Fa'amutaina | 2024-04-04 | |||
Aitema | Fa'amatalaga | I'uga | ||||
Fa'aaliga | Samasama mumu ile pa'epa'e pa'epa'e malo | pa'epa'e pa'epa'e malo | ||||
chlorine fa'asalaina,% | ≤0.02 | 0.0183 | ||||
Mea liusuavai, ℃ | 94-96 | 95 | ||||
-NCO Content,% | 52.0-53.0 | 52.21 | ||||
mama,% | ≥99.0 | 99.35 | ||||
Fa'ai'uga | Agavaa |
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