CMC Carboxymethyl Cellulose

Nkọwa dị mkpirikpi:

CAS: 9004-32-4

Carboxymethyl Cellulose (CMC) bụ ihe anionic mmiri soluble polymer ewepụtara si ụwa kasị ukwuu polymer – owu cellulose.Ọ bụkwa mara dị ka cellulose chịngọm , na ya sodium nnu bụ mkpa cellulose mmepụta.Otu carboxymethyl jikọtara (-CH2-COOH) n'akụkụ ụdọ polymer na-eme ka cellulose na-agbaze mmiri.Mgbe etisasịwo, ọ na-abawanye viscosity nke aqueous ngwọta, suspensions na emulsions, na na elu ịta, ọ na-enye pseudo-plasticity ma ọ bụ thixotropy.Dị ka a eke polyelectrolyte, CMC na-enye a elu ụgwọ na-anọpụ iche irighiri na enwere ike iji mee ka nkwụsi ike nke aqueous colloid na gels ma ọ bụ na-akpali agglomeration.Ọ na-enye ihe dị mma nke ịgbara mmiri, njigide mmiri, imepụta ihe nkiri, rheology na lubricity, nke a na-ejikarị na nri, ngwaahịa nlekọta onwe onye, agba ụlọ ọrụ mmepụta ihe, ceramik, mkpọ mmanụ, ihe ụlọ wdg.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Carboxymethyl cellulose (CMC) bụ ihe anionic mmiri soluble polima nwetara site cellulose.Ọ nwere ihe njiri mara mma, nnabata na njide mmiri, a na-ejikwa ya n'ọtụtụ ngwa gụnyere mgbakwunye nri na nri, ihe ịchọ mma, ihe ndị na-agbakọ na ihe na-ekekọta, ihe na-ekekọta, ihe na-amị mmiri, na ihe na-ejigide mmiri.Dị ka ihe a na-enweta site na cellulose eke, ọ na-egosiputa biodegradability nwayọọ nwayọọ ma nwee ike ịgba ọkụ mgbe ejiri ya mee ihe, na-eme ka ọ bụrụ ihe dị mma na gburugburu ebe obibi.

Nkọwapụta kemịkalụ

Ọdịdị	Na-acha ọcha na-acha ọcha ntụ ntụ
Nha urughuru	95% gafere 80 mesh
Ogo nke nnọchi	0.7-1.5
PH uru	6.0-8.5
Ịdị ọcha (%)	92 nkeji, 97 nkeji, 99.5 nkeji

Ogo ngwaahịa

Ngwa	Ọkwa ọkwa	Viscosity (Brookfield, LV, 2% Solu)	Viscosity (Brookfield LV, mPa.s, 1% Solu)	Dgree nke nnọchi	Ịdị ọcha
Agba	CMC FP5000		5000-6000	0.75-0.90	97% nkeji
	CMC FP6000		6000-7000	0.75-0.90	97% nkeji
	CMC FP7000		7000-7500	0.75-0.90	97% nkeji
Pharma&nri	CMC FM1000	500-1500		0.75-0.90	99.5% nkeji
	CMC FM2000	1500-2500		0.75-0.90	99.5% nkeji
	CMC FG3000		2500-3500	0.75-0.90	99.5% nkeji
	CMC FG4000		3500-4500	0.75-0.90	99.5% nkeji
	CMC FG5000		4500-5500	0.75-0.90	99.5% nkeji
	CMC FG6000		5500-6500	0.75-0.90	99.5% nkeji
	CMC FG7000		6500-7500	0.75-0.90	99.5% nkeji
Dngwa ngwa	CMC FD7		6-50	0.45-0.55	55% nkeji
Ihe ntacha eze	CMC TP1000		1000-2000	0.95 nkeji	99.5% nkeji
Ceramic	CMC FC1200	1200-1300		0.8-1.0	92% nkeji
Oil ubi	Ụlọ ọrụ CMC LV		70 max	0.9 nkeji
Oil ubi	Ụlọ ọrụ CMC HV		2000 max	0.9 nkeji

Solubility nke Carboxymethyl Cellulose (CMC)

Carboxymethyl Cellulose (CMC) bụ ihe okike hydrophilic na mgbe sodium carboxymethyl cellulose particles na-agbasa na mmiri, ọ ga-aza ozugbo wee gbazee.
1. N'okpuru ọnọdụ nke ịkpali, ịgbakwunye sodium cmc jiri nwayọọ nwayọọ na-enyere aka mee ngwa ngwa mgbasa.
2. N'okpuru ọnọdụ nke kpo oku, ịgbakwunye sodium cmc gbasasịa nwere ike ịbawanye ọnụego mgbasa, ma okpomọkụ okpomọkụ enweghị ike ịdị elu ma dị mma n'ime 50-60 ° C.
3. Ọ bụrụ na a na-eji ya eme ihe site na ijikọta ya na ihe ndị ọzọ, buru ụzọ gwakọta ihe ndị siri ike wee gbazee, na n'ụzọ dị otú a, a pụkwara ịkwalite ọsọ nkwụsị.
Tinye ụdị ihe mgbaze organic nke na-adịghị ike na sodium cmc ma na-agbaze na mmiri dị ka ethanol na glycerin wee gbazee, ya mere n'ụzọ dị otú a, ngwa ngwa ngwọta nwere ike ịdị ngwa ngwa.

Solubility-nke-Carboxymethyl-Cellulose(CMC)1