Enwere karama 30000 RFE na ngwaahịa. Nwere ike nnyefe ngwa ngwa. Ọnụ ọgụgụ ndị ọzọ nwere mbelata karịa. Echere na ị gaghị atụ uche ya.
Ọ bụrụ na ị chọrọ, nabata ịkpọtụrụ anyị n'oge ọ bụla
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Nkọwa:
| Aha | RFE, RF |
| Usoro ihe omimi | C21H12N3O6SP |
| CAS | 4151-51-3 |
| MW | 465 |
| agwa | emeputa |
| Ebe mgbaze | 84-86 ℃ |
| Njupụta na 20 ℃ | ihe ruru. 1.0g / cm3 |
| Ọnụ ego nke NCO | 7.2±0.2% |
| Nyocha nke methane | 27±1 |
| Viscosity (20 ℃) | 3mPa.s |
| Ihe mgbaze | Ethyl acetate |
| ebe mgbari | -4 ℃ |
| Ọdịdị | Yellow ka ọchịchịrị violet mmiri mmiri. Agba ya anaghị emetụta ike boding. |
| ngwugwu | 750 g / karama, ngụkọta 20 karama n'otu igbe igbe, 180kg / gbọmgbọm, Ma ọ bụ dị ka ndị ahịa arịrịọ. |
Na mgbakwunye:Ụlọ ọrụ ahụ nwere ike nyochaa ma mepụta ngwaahịa ọhụrụ dịka ọchịchọ pụrụ iche nke ndị ahịa anyị si dị.
Atụmatụ:RFE polyisocyanate bụ crosslinker dị irè nke ukwuu maka nrapado dabere na polyurethane, roba eke na roba synthesis. RFE polyisocyanate na-abakwa uru maka ịkwalite nrapado nke ihe ndị dabeere na rọba. Enwere ike iji ya dị ka crosslinker kama Bayer's Desmodur RFE.
Ojiji: A ghaghị iji nrapado akụkụ abụọ mee ihe na oge ọdabara mgbe etinyere na RFE. Ogologo oge ọdabara abụghị naanị metụtara ọdịnaya polymer nke nrapado, kamakwa ihe ndị ọzọ dị mkpa (dịka resin, Antioxygen, plasticizer, mgbaze, wdg). Mgbe ọ na-eru nso oge kwesịrị ekwesị, na-abụkarị awa ole na ole ma ọ bụ otu ụbọchị ọrụ, nrapado na-esiwanye ike karị
rụọ ọrụ, na viscosity na-ebili ngwa ngwa. N'ikpeazụ, ọ na-aghọ jelii na-apụghị ịgbagha agbagha. 100 mma nrapado, Hydroxyl polyurethane (Polyurethane akaụntụ maka gburugburu 20%), RFE na-eme 4-7. Chloroprene rubber (akaụntụ rọba maka gburugburu 20%), RFE na-eme 4-7.
Nchekwa: Biko chekwaa n'ime ite mbụ ejiri akara n'okpuru afọ 23℃, ngwaahịa nwere ike ichekwa kwụsiri ike ruo ọnwa isii. Ngwaahịa usoro Crosslinker niile na-enwe mmetụta nke ukwuu maka mmiri; ọ ga-emepụta carbon dioxide na urea na-adịghị ike na mmeghachi omume na mmiri. Ọ bụrụ na ikpughe ikuku ma ọ bụ ìhè, ọ ga-eme ka mgbanwe agba nke ngwaahịa dị ngwa, ma ọrụ bara uru agaghị emetụta ya.
Nchọpụta ihe egwu
Iwu (EC) Mba 1272/2008
Mmiri mmiri na-ere ọkụ, Nkeji 2 (H225)
Nsị akụkụ ahụ e lekwasịrị anya kpọmkwem (mkpughe otu), Nkeji 3 (H336)
Ntuziaka 67/548/EEC ma ọ bụ 1999/45/EC
Na-agba ọkụ nke ukwuu.
Mkpughe ugboro ugboro nwere ike ime ka akpụkpọ ahụ kpọọ nkụ ma ọ bụ mgbawa. Vapors nwere ike ibute iro ụra na isi ọwụwa.
Iwu (EC) Mba 1272/2008
Ngwa ndị dị ize ndụ nke a ga-edepụtarịrị na labelụ
ethyl acetate
Okwu egwu:
H225 Mmiri mmiri na-ere ọkụ nke ukwuu.
H336 nwere ike ibute iro ụra ma ọ bụ isi ọwụwa.
Okwu mkpachapụ anya:
P210 Chebe ebe okpomọkụ/ọkụ ọkụ/ọkụ mepere emepe/ebe dị ọkụ. - Anaghị ese anwụrụ.
P233 Debe akpa ahụ nke ọma.
P240 Ground/Bond akpa na nnata akụrụngwa.
P243 Mee ihe kpachara anya megide mwepu kwụ ọtọ.
P280 Yiri gloves nchebe / uwe nchebe / nchebe anya / nchebe ihu.
P303 + P361 + P353 Ọ BỤRỤ na Akpụkpọ ahụ (ma ọ bụ ntutu isi): Wepụ/ Yipụ uwe niile emetọru ozugbo. Jiri mmiri/ịsa ahụ sachaa akpụkpọ ahụ.
Njirimara mgbakwunye dị ize ndụ yana ihe ịde akara:
EUH066 ikpughe ugboro ugboro nwere ike ime ka akpụkpọ ahụ kpọọ nkụ ma ọ bụ mgbawa. EUH204 nwere isocyanates. Mee
mepụta mmeghachi omume nfụkasị ahụ.
Oge nzipu: Ọgọst-04-2021