Cysteamine (Cysteamine, CS), makwaara d? ka β-merhydrylethylamine, ?cha crystalline nt? nt?, agbaze ebe 99 ~ 100 ℃, ubé odorous, soluble na mmiri na mmanya, alkaline mmeghachi omume. N'ihi na ? nwere sulfhydryl na-ar? ?r? na amino d? iche iche, ? nwere ?r? d? iche iche nke ndu. ? b? ihe na-ar?si ?r? ike na ?m? an?man? ma nwee mmet?ta physiological d? mkpa. Mkp?r? nd? Cysteamine nke thiol, ikuku oxidation d? mfe na-agh? disulfide na-ejikar? hydrochloride (CysteamineHydrochloride, CSH) dochie ya. CSH chemical Njirimara b? ike, siri ike na ?l? okpom?k?, ike hygroscopicity, mfe oxidation na elu okpom?k?, agbaze ebe 70.2 ~ 70.7 ℃.

CS na hydrochloride ya (CSH) b? ihe nd? d? n'etiti na ?f?d? ihe ntecha, yana ihe na-ebelata ntutu isi, a p?kwara iji ya mee ihe ?ch? mma ntutu isi nd? ?z?.

Na ngwa nke ntutu perms, CSH na-ad?kar? mkp?mkp? ka CA (cysteamine hydrochloride).

Uru logP na-egosi na cysteamine hydrochloride (CA) b? lipophilic ma nwee ike ?nweta ebe protein hydrophobic d? n'ime ntutu (octamer/microfibril).

Cysteamine hydrochloride (CA) n'ihi na ? nwere sulfhydryl na-ar?si ?r? ike, ? na-agbaji njik? disulfide na ntutu isi, cystine na-ebelata ka cysteine ??nwere sulfhydryl, ntutu na-ad? nro, na-ehulata na nr?r? na curler ntutu isi, wee oxidized site oxidizing g? n'?l?nga na-eme ka ? d? nro iji nweta mma curling mmet?ta. Ihe ?gh?m ya b? na ? na-ach? ?d? ?cha d? elu, nwee isi p?r? iche, ma nwee mmet?ta na-akpali akpali na akp?kp? ah?. N'ihi na ? na-agbakas? ah? akp?kp? ah?, iwu ?gw? nd? Japan na-ak?wa na CA d? na nk?wa d? ala (a na-ahazi ya na obere alkali na-an?p? iche), n'ihi nhazi nk?wa ya p?r? iche, nke mere na ntutu isi d? ala, nke mere na ntutu d? nro na ah?ike!

Mbelata mmet?ta nke cysteamine hydrochloride (CA) d? elu kar?a nke thioglycollic acid, ya mere ? na-egosi mmet?ta curling ka mma na ?r? curling. E jiri ya t?nyere otu PH d? elu na elu nke thioglycollic acid, nnukwu uru nke iji cysteamine hydrochloride (CA) ntutu isi b? na ? d?gh? mkpa ka a kpoo ya ?k? ruo ogologo oge, na ogo curl nke 5 nkeji na nnukwu alkaline na nnukwu mkpok?ta cysteamine hydrochloride perm b? ihe d? ka mmet?ta nke iji thioglycollic acid na-eji nkeji 15.

Cysteamine hydrochloride b? ihe d? iche iche nwere kem?kal? na-ar? ?r? ma nwee ike mep?ta mgbagwoju anya siri ike, nke na-ar? ?r? d? mkpa na ar? ?r? nke ntutu isi. ? nwere ezigbo ihe nkiri e guzobere na elu kem?kal? ?r?, nwere ike na-etolite a kw?siri ike cross-njik? ?d?d? na keratin ntutu isi, gbanwee ?d?d? nke ntutu isi, nke mere iji nweta mmet?ta nke perm.

Cysteamine hydrochloride perm na usoro nke perm, isi ?r? ya b? inye onye na-ah? maka crosslinking ?h?r?, na keratin nke ntutu na-eme ka usoro nkw?s?t? kw?sie ike kar?, gbanwee ntutu isi. E jiri ya t?nyere ntutu isi nd? ?z?, uru ya b? na ? nwere obere mmebi na ntutu isi, na mmet?ta nke perm b? ihe okike na ogologo oge.