Hydroxyethyl Cellulose CAS 9004-62-0

CAS:9004-62-0

Usoro molekụla:C29H52O21

Ibu molekụla: 0

EINECS:618-387-5

Okwu ndị yiri ya:2-hydroxyethylcelluloseether; ah15; aw15(polysaccharide); aw15[polysaccharide]; bl15; cellosize; TRC20_Addresserngealstheappearanceboard; 5-[6-[[3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxymethyl]-3,4-dihydroxy-5-[4-hydroxy-3-(2-hydroxyethoxy)-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)-2-methyloxane-3,4-diol

Hapụ Ozi Gị

Nkọwa Ngwaahịa

Budata

Akara Ngwaahịa

Gịnị bụ Hydroxyethyl Cellulose?

Hydroxyethyl cellulose bụ ihe siri ike nke na-acha ọcha ruo na odo odo ma ọ bụ nke nwere ntụ ntụ, ọ naghị egbu egbu, ọ naghị atọ ụtọ, ọ na-agbaze ngwa ngwa n'ime mmiri. Ọ naghị agbaze na ihe ndị na-agbaze organic n'ozuzu. Ọ nwere ihe ndị na-eme ka ọ sie ike, na-egbochi, na-ejikọta, na-eme ka ọ dị nro, na-agbaze, na-echekwa mmiri. Enwere ike ịkwadebe ngwọta nwere oke viscosity dị iche iche. Ọ nwere ezigbo nnu na-agbaze na electrolytes. Hydroxyethyl cellulose bụ ntụ ọcha ma ọ bụ odo odo na-enweghị isi, enweghị ụtọ, na-agba ọsọ dị mfe. Ọ na-agbaze na mmiri oyi na mmiri ọkụ, ọ naghịkwa agbaze n'ọtụtụ ihe ndị na-agbaze organic. viscosity anaghị agbanwe obere mgbe uru pH dị na oke 2-12, mana viscosity na-ebelata karịa oke a.

Nkọwapụta

ihe	Ọkọlọtọ
	Nkeji.	Max.
Ọdịdị	Ntụ ntụ ọcha ruo ntakịrị ọcha
Mmiri na-agbaze	ọ na-agbaze n'ime mmiri ọkụ na n'ime mmiri oyi, na-enye mmiri colloidal, ọ naghị agbaze n'ime mmanya na n'ọtụtụ ihe mgbaze organic
Nchọpụta A ruo C	Ezi
Ihe fọdụrụ na ọkụ,%	0.0	5
PH (na ngwọta 1%)	6.0	8.5
Mfu mgbe akọrọ (%, dịka e tinyere ya n'ime ngwugwu):	0.0	5.0
Ọla dị arọ, μg/g	0	20
Lead, μg/g	0	10

Ngwa

1. Hydroxyethyl cellulose (HEC) bụ cellulose ether nke na-agbaze na-abụghị ionic, nke nwere ezigbo ọkpụrụkpụ, nkwusioru, mgbasa, emulsification, adhesion, nhazi ihe nkiri, nchekwa mmiri na ihe nchebe colloid. N'ihi ihe pụrụ iche ya na kemịkalụ, a na-eji HEC eme ihe n'ọtụtụ ebe, gụnyere mana ejedebeghị na mwepụta mmanụ, mkpuchi, owuwu, nri ọgwụ, ákwà, imepụta akwụkwọ na polymerization.
2. N'ọrụ ọgwụ, tinyere ịbụ ihe na-eme ka ihe sie ike ma na-echebe mmadụ, hydroxyethyl cellulose nwekwara mmetụta nke mmiri mmiri, ime ka mmiri dị ọcha, igbochi ịka nká, ihicha akpụkpọ ahụ, na iwepụ melanin. Ọ dị mma maka ime mmiri anya, ọgwụ imi, ihe ngwọta ọnụ, wdg. Ọ nwere ike ime ka mmiri ọgwụ ahụ dịkwuo elu, melite ọsọ mmịpụta nke ọgwụ ahụ n'ahụ, ma mee ka ọgwụ ahụ kwụsie ike iji gbochie ire ere na oxidation.
3. N'ụlọ ọrụ ịchọ mma, a na-ejikarị HEC eme ihe n'ịmepụta shampoo, conditioner, ude, ude mmiri na ngwaahịa ndị ọzọ. Ọ nwere ike ịgbanwe ọdịdị na udidi nke ihe ịchọ mma iji mee ka ha dị mfe itinye na ịmịkọrọ. N'otu oge ahụ, ọ na-enwekwa mmetụta mmiri mmiri, nwere ike igbochi mmiri mmiri, ma gbochie nkụ na mgbawa akpụkpọ ahụ.
4. Tinyere nke ahụ, a na-ejikarị hydroxyethyl cellulose eme ihe dị ka ihe na-eme ka nri sie ike, ihe na-agba agba, na ihe na-echekwa ihe n'ụlọ ọrụ nri, nke nwere ike ime ka nri dịkwuo mma ma melite ụtọ na ịdị mma nke nri. Enwere ike iji ya dị ka ihe na-eme ka ihe na-eme ka nri sie ike iji gbochie oke mmiri na mmiri ozuzo.
5. Banyere acidity na alkalinity nke hydroxyethyl cellulose, ebe ọ bụ na ọ bụ nke klas cellulose ether nke na-abụghị ionic, ọ bụghị acidic ma ọ bụ alkaline. Usoro kemịkalụ ya bụ (C2H6O2)n, nwere ezigbo mgbaze, nkwụsi ike na ihe ndị na-eme ka ọ sie ike, ọ na-arụkwa ọrụ dị mkpa n'ọtụtụ ebe eji ya.