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DMDM Hydantoin CAS 6440-58-0

Nkọwa Dị Mkpirikpi:

Aha Kemịkalụ: DMDMH (1,3-Dihydroxymethyl-5,5-dimethylhydantoin)

Okwu ndị yiri ya: DMDM ​​Hydantoin

Usoro molekụla: C7H12N2O4

CAS 6440-58-0


Nkọwa Ngwaahịa

Akara Ngwaahịa

Nkọwa Ngwaahịa

DMDMH (1,3-Dihydroxymethyl-5,5-dimethylhydantoin)

INCH Hydantoin DMDM
Nọmba Ikpe. 6440-58-0
Usoro molekụla C7H12N2IHE4
Ndepụta teknụzụ
ihe Ndepụta Ndekọ
atụmatụ Mmiri mmiri doro anya nke na-enweghị agba ruo odo odo, enweghị isi ma ọ bụ obere njirimara isi
uru pH 5.0~7.0
Ọdịnaya nitrogen,% 7.8~8.6
Ọdịnaya siri ike,% 54~56
Njupụta ikwu (25℃) 1.14~1.17
Formaldehyde,% ≤2.0
Mkpokọta formaldehyde,% 17~18
Dịka,% ≤0.001
Ọla dị arọ,% ≤0.004
Mmiri na-agbaze A gwakọtara ya na mmiri, obere mmanya, glycol

Ngwaahịa a bụ ihe ngwọta mmiri DMDMH 55%, nke a na-eji usoro mmepụta na teknụzụ mba ụwa kachasị ọhụrụ. Ndị ọrụ teknụzụ dị elu nke ụlọ ọrụ nyocha na mmepe na-achịkwa nke ọma, ịdị mma ya bụ ihe a pụrụ ịtụkwasị obi, ndakọrịta ya dị mma, mmetụta ya na-adịgide adịgide n'enweghị mmetụta nke ngwaahịa ahụ. Ọ dị mma ma ghara imebi ya. Enwere ike iji ya na ọtụtụ PH = 5-12. Ọ bụ ịsa ahụ, emulsion Ọ bụ ihe na-egbu egbu na nje bacteria zuru oke maka ịchọ mma dịka ude, wdg.

Njirimara Ọ na-arụ ọrụ nke ọma, ọ na-ere ọgwụ nje dị ọnụ ala, ọ dị mfe iji, ọ na-agbaze ngwa ngwa na mmiri na obere mmanya, ọ na-adịgidekwa na mmiri na mmanụ emulsions. Ọ dakọtara na cationic, anionic na nonionic surfactants, emulsifiers na protein. Ọ na-adịgide ka oge na-aga, pH sara mbara na oke okpomọkụ.
Ojiji a tụrụ aro N'ihi na mmiri ya pụrụ iche, enwere ike itinye DMDMH na ude na usoro nlekọta onwe onye nke a na-asacha na mkpokọta nke 0.2 ~ 0.6%. Ọ bụrụ na etinyere DMDMH na surfactant, okpomọkụ ya na-abụkarị 50℃ ~ 60℃, pH dịkwa n'etiti 7.5 ~ 8.5. Ebe ọ bụ na ihe ndị e ji mee ya na usoro nke ngwaahịa nlekọta onwe onye dị iche iche, nke nwere ike imetụta arụmọrụ nke ihe nchekwa, anyị na-akwadosi ike ka ị kwado irè na nkwụsi ike nke DMDMH tupu mmepụta.

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