2-Carboxythyl(phenyl)phosphinicacid
Nchọpụta Ngwaahịa
Aha ngwaahịa: 2-Carboxyethyl(phenyl)phosphinicacid, 3-(Hydroxyphenylphosphinyl)-propanoic acid
Ndebiri: CEPPA, 3-HPP
Nọmba CAS: 14657-64-8
Ibu molekụla: 214.16
Usoro molekụla:C9H11O4P
Usoro nhazi:
Akụ na ụba
A na-agbaze na mmiri, glycol na ihe mgbaze ndị ọzọ, mmiri na-adịghị ike na okpomọkụ nkịtị, na-adịgide adịgide na okpomọkụ ụlọ.
Ndepụta ịdị mma
| Ọdịdị | ntụ ntụ ọcha ma ọ bụ kristal |
| Ịdị ọcha (HPLC) | ≥99.0% |
| P | ≥14.0±0.5% |
| Uru asịd | 522±4mgKOH/g |
| Fe | ≤0.005% |
| Chloride | ≤0.01% |
| Mmiri mmiri | ≤0.5% |
| Ebe agbaze | 156-161℃ |
Ngwa
Dịka otu ụdị ihe na-egbochi ọkụ nke na-anaghị emerụ gburugburu ebe obibi, enwere ike iji ya na-agbanwe agbanwe na-egbochi ọkụ nke polyester, ikike nke polyester na-egbochi ọkụ yiri PET, yabụ enwere ike iji ya na ụdị sistemụ ntụgharị niile, yana atụmatụ dị ka nkwụsi ike okpomọkụ dị mma, enweghị mwepu n'oge ntụgharị na enweghị isi. Enwere ike iji ya na mpaghara ntinye niile nke PET iji melite ikike mgbochi nke polyester. Usoro maka copolymerization nke PTA na EG bụ 2.5 ~ 4.5%, nnwale phosphorus nke mpempe akwụkwọ polyester na-egbochi ọkụ bụ 0.35-0.60%, LOI nke ngwaahịa na-egbochi ọkụ bụ 30 ~ 36%.
Ngwugwu
Akpa 25kg nke e ji ákwà kpuchie akpa katọn ma ọ bụ akpa plastik mee
Nchekwa
Debe n'ebe dị jụụ, kpọrọ nkụ, nke ikuku na-abata nke ọma, ebe ihe na-eme ka oxidation sie ike na-adịghị.