Cellulose ethers

Cellulose ethers

Kedu ihe bụ Cellulose Ethers?

Cellulose ethersbụ polymers soluble mmiri nke sitere na cellulose, polysaccharide sitere n'okike dị na mgbidi cell nke osisi. A na-emepụta ha site n'ịgbanwe cellulose nke kemịkal site na etherification, dochie otu hydroxyl (-OH) na otu ether (-OR). Mgbanwe a na-eme ka ihe na-edozi ahụ, nkwụsi ike na-ekpo ọkụ, na ihe na-emepụta ihe nkiri nke cellulose, na-eme ka ọ dị mma maka ọtụtụ ụlọ ọrụ mmepụta ihe na azụmahịa.

Ụdị cellulose ethers

Ụdị cellulose ethers ndị a na-ahụkarị gụnyere:

1. Methyl hydroxyethyl cellulose(MHEC)

   • Enwetara ya site na imeghachi cellulose na methyl chloride.

   • Soluble na mmiri oyi ma ọ bụghị na mmiri ọkụ.

   • A na-eji ihe owuwu, nri, ọgwụ.

2. Hydroxypropyl Methylcellulose(HPMC)

   • Ejiri otu methyl na hydroxypropyl gbanwee.

   • A na-eji ya eme ihe na ihe owuwu, ọgwụ (dị ka mbadamba mbadamba), na nri.

3. Hydroxyethyl cellulose(HEC)

   • Ethered na ethylene oxide.

   • Ejiri ya na agba, ihe ịchọ mma, na ngwaahịa nlekọta onwe onye.

4. Carboxymethyl cellulose(CMC)

   • Ejikọtara ya na chloroacetic acid.

   • Mmiri na-agbaze nke ukwuu ma jiri ya na nri, ihe ncha, na ọgwụ.

5. Ethyl cellulose (EC)

   • Eji otu ethyl gbanwee.

   • Na-adịghị edozi na mmiri, soluble na organic solvents.

   • Ejiri ya na mkpuchi, ntọhapụ ọgwụ a na-achịkwa, na plastik.

Kedu ihe ether cellulose na-eji?

Cellulose ethers na-arụ ọrụ dị iche iche n'ọtụtụ ụlọ ọrụ:

• Ụlọ ọrụ ihe owuwu

  • Dị ka ihe na-eme ka ihe na-esikwu ike na njide mmiri na-enyere aka na ciment, ngwa agha, plasta, na nrapado tile.

• Ọgwụ ọgwụ

  • A na-eji ya dị ka ihe mgbakwunye na nhazi mbadamba, ihe mkpuchi, yana matrices mwepụta a na-achịkwa.

• Ụlọ ọrụ nri

  • Mee dị ka emulsifiers, stabilizers, and thickeners na ngwaahịa dị ka ice cream, sauces, na ngwaahịa ebe a na-eme achịcha.

• Ihe ịchọ mma & Nlekọta onwe onye

  • Nye nkwụsi ike na idebe mmiri na ude, lotions, na shampoos.

• Agba na mkpuchi

  • Melite viscosity, eruba, na nhazi ihe nkiri.

• Ihe nchacha na ihe nhicha

  • Mee dị ka stabilizers na ndị na-eme ka ndị na-ekpu ihe.

Cellulose Ethers na ụlọ ọrụ nri

Na nhazi nri, cellulose ethers na-arụ ọrụ dị egwu n'ihi ọdịdị na-adịghị egbu egbu na nke na-adịghị egbu egbu:

• Ihe nkwalite Texture: Na-enye nhazi maka ngwaahịa ndị na-enweghị abụba ma ọ bụ ndị na-enweghị gluten.

• Stabilizer: Na-ejigide nkwụsi ike ma gbochie nkewa nke oge na sauces na uwe.

• Ihe na-eme ka ọ dị arọ: Na-enye viscosity achọrọ na mmanya, ofe, na dessert.

• Onye na-anọchi abụba: A na-eji ya eme ihe n'ụdị nri ndị na-abụchaghị abụba maka ọnụ na udidi.

Ethers cellulose ọkwa nri nkịtị gụnyereHPMC, MC, naCMC. FDA na EFSA kwadoro ihe ndị a maka iji ya na oke ahaziri.

Cellulose gel ọ bụ onye anaghị eri anụ?

Ee,cellulose gel bụ vegan.
A na-enweta ya site na isi ihe ọkụkụ dị ka pulp osisi ma ọ bụ akwa owu. Nhazi ahụ anaghị agụnye ngwaahịa anụmanụ ma ọ bụ ngwaahịa sitere na ya, na-eme ka ọ dabara maka nri anụ anaghị eri anụ na onye anaghị eri anụ. A na-ejikarị ya eme ihe dị ka vegan ọzọ na gelatin na ngwaahịa nri.

Otu esi eme cellulose ether

Mmepụta nke cellulose ethers gụnyere ọtụtụ usoro nhazi kemịkal:

1. Alkalization:

   • A na-eji sodium hydroxide agwọ cellulose eke ka ọ bụrụ cellulose alkali.

2. Etherification:

   • cellulose alkali na-emeghachi omume na ihe na-eme ka etherifying dị ka methyl chloride, ethylene oxide, ma ọ bụ propylene oxide, dabere na ngwaahịa achọrọ.

3. Ịdị ọcha:

   • A na-ewepụ ngwaahịa a, saa ya, ma kpoo ya iji wepụ adịghị ọcha, nnu na ngwaahịa ndị sitere na ya.

4. Milling & Nhazi:

   • A na-akụ mkpụrụ cellulose a mịrị amị n'ime ntụ ntụ dị mma yana nkewa site na nha nha maka ngwa dị iche iche.

A na-eme usoro a n'okpuru ọnọdụ a na-achịkwa iji hụ na nchekwa na ịdị n'otu, karịsịa maka nri na akara ọgwụ.

Ndị na-emepụta Cellulose Ethers

Ụfọdụ ndị ama ama zuru ụwa ọnụ na-emepụta cellulose ethers gụnyere:

• Ashland(USA)

• Ụlọ ọrụ Dow Chemical(USA)

• Ụlọ ọrụ Shin-Etsu Chemical Co., Ltd.(Japan)

• Lotte Fine Chemical(South Korea)

• Ụlọ ọrụ Lamberti S.p.A(Italy)

• Ụgwọ nke ụlọ ọrụ Kima Chemical Co., Ltd.(China)

• AkzoNobel (Nouryon)(Netherland)

Ụlọ ọrụ ndị a na-emepụta ihe dị iche iche nke cellulose ether ngwaahịa maka ụlọ ọrụ mmepụta ihe, ọgwụ na ngwa nri.