Methyl cellulose ethers

Methyl cellulose ethers bụ otu mkpụrụ ndụ cellulose ndị a na-agbanwe site na kemịkalụ site n'itinye otu methyl n'ime azụ cellulose. A maara mkpụrụ ndụ ndị a maka mmiri ha na-agbaze ma nwee ọtụtụ ojiji n'ụlọ ọrụ dịka nri, ọgwụ, ihe owuwu, na ihe ịchọ mma. Lee ụfọdụ ụdị methyl cellulose ethers a na-ahụkarị:

1.Methyl Cellulose (MC):

·Methyl cellulose bụ otu n'ime ụdị methyl cellulose ethers kachasị mkpa. A na-enweta ya site na cellulose site na iwebata otu methyl. MC na-agbaze mmiri ma a na-ejikarị ya eme ihe dị ka ihe na-eme ka ihe sie ike, ihe na-eme ka ihe sie ike, na ihe na-eme ka ihe dị nro n'ọtụtụ ụzọ, gụnyere nri, ọgwụ, na ihe ịchọ mma. N'ihe owuwu, a na-eji ya eme ihe na ngwaahịa ndị e ji simenti mee ka ọrụ na njikọta dịkwuo mma.

2.Selulose Hydroxypropyl Methyl (HPMC):

·Hydroxypropyl methyl cellulose bụ ihe sitere na methyl cellulose nke gụnyekwara otu hydroxypropyl. Mgbanwe a na-enye ihe ndị ọzọ dị ka ime ka mmiri dị mma, nhazi ihe nkiri ka mma, na ịbawanye nrapado. A na-ejikarị HPMC eme ihe n'ụlọ ọrụ owuwu dị ka ihe na-eme ka ihe dị arọ sie ike na ngwa agha, ihe na-eme ka ihe dị nro, na ihe mkpuchi. N'ụlọ ọrụ nri, a na-eji ya eme ihe maka ihe ndị na-eme ka ihe dị arọ na ihe na-eme ka ọ sie ike.

3.Selulose Hydroxyethyl Methyl (HEMC):

·Hydroxyethyl methyl cellulose bụ ngwakọta nke otu methyl cellulose na hydroxyethyl. Ihe a na-emepụta na-egosipụta mma nchekwa mmiri, ikike ịmepụta ihe nkiri, na njirimara njikọta. A na-ejikarị HEMC eme ihe na ihe ndị e ji simenti mee, ihe ndị e ji taịlị mee, na ihe ndị e ji ejikọta ihe na ụlọ ọrụ owuwu. A na-ejikwa ya na ụlọ ọrụ nri dị ka ihe na-eme ka ihe sie ike ma na-eme ka ihe sie ike.

4.Phthalate Hydroxypropyl Methyl Cellulose (HPMCP):

·Hydroxypropyl methyl cellulose phthalate bụ ihe pụrụ iche a na-eji eme ọgwụ. A na-ejikarị ya eme ihe dị ka ihe mkpuchi enteric maka ọgwụ ọnụ, na-enye ha ohere ịgafe afọ ha na-agbazeghị ma wepụta ihe ndị dị na eriri afọ.

5.Methyl Cellulose Acetate Succinate (MCAS):

Methyl cellulose acetate succinate bụ ihe ọzọ e ji emepụta cellulose nke a na-eji eme ọgwụ. A na-ejikarị ya eme ihe dị ka ihe mkpuchi maka mbadamba, na-enye ihe ndị a na-achịkwa maka mwepụta.

A na-ahọrọ ether methyl cellulose ndị a dabere na ihe onwunwe ha na ihe achọrọ maka ojiji a chọrọ. Ntinye nke otu kemịkalụ dị iche iche n'ime usoro cellulose na-enye ohere maka ọtụtụ ọrụ, na-eme ka ether methyl cellulose bara uru n'ọtụtụ ngalaba ụlọ ọrụ mmepụta ihe dị iche iche.