01 Ọkpụkpụ
thickener:Mgbe agbazere ma ọ bụ gbasasịa n'ime mmiri, ọ nwere ike ịbawanye viscosity nke mmiri mmiri ma nọgide na-enwe ihe dị mma hydrophilic polymer compound na usoro. Ọdịdị molekụla nwere ọtụtụ hydrophilic dị iche iche, dị ka -0H, -NH2, -C00H, -COO, wdg, nke nwere ike hydrate na mmiri molekul na-etolite a elu viscosity macromolecular ngwọta. Thickeners na-ekere òkè dị mkpa na ịchọ mma , na ndim, emulsifying, suspending, stabilizing na ndị ọzọ ọrụ.
02 Usoro ihe omume Thicker
Ebe ọ bụ na otu ndị na-arụ ọrụ na yinye polymer anaghị alụbeghị di, usoro a na-eme nke ọma na-abụkarị na otu onye na-agba mmiri nwere ọtụtụ usoro ịgbatị.
Ịgba ụgbụ na-akpụ akpụ： Mgbe a na-etinye polymer n'ime ihe mgbaze, a na-atụgharị ụdọ polymer ma jikọta ya na ibe ya. N'oge a, viscosity nke ngwọta na-abawanye. Mgbe neutralization na alkali ma ọ bụ organic amine, na-adịghị mma ụgwọ nwere ike mmiri solubility, nke na-eme ka polymer yinye mfe gbasaa, si otú ọbọ na-abawanye na viscosity. .
Mwepu na-ejikọta ya na covalently： Covalent crosslinking bụ ntinye oge nke monomers bifunctional nke nwere ike meghachi omume na ụdọ polymer abụọ, na-ejikọ polymers abụọ ahụ, na-agbanwe ngwa ngwa nke polymer, yana inwe ikike nkwusioru mgbe agbazere na mmiri.
Association ndim： Ọ bụ ụdị hydrophobic mmiri-soluble polymer, nke nwere àgwà nke ụdị surfactant. Ịta nke polima na mmiri na-abawanye mkpakọrịta n'etiti ụmụ irighiri ihe, na-emekọ ihe na hydrophobic ìgwè nke polymer na ọnụnọ nke surfactant, si otú a akpụ a elu-arụ ọrụ Mixed micelles nke gị n'ụlọnga na polymer hydrophobic iche iche, si otú na-amụba ngwọta viscosity.
03 Nhazi nke ndi nkiti
Dị ka mmiri solubility, ọ nwere ike kewaa: mmiri-soluble thickener na micropowder thickener. Dị ka thickener isi iyi nwere ike kewaa: eke thickener, sịntetik thickener. Dị ka ngwa ngwa, ọ nwere ike kewaa n'ime: mmiri dabeere thickener, mmanụ dabeere thickener, acidic thickener, alkaline thickener.
| Nhazi | udi | aha akụrụngwa |
| mmiri soluble thickener | Organic Natural Thicker | Hyaluronic Acid, Polyglutamic Acid, Xanthan Gum, Starch, Guar Gum, Agar, Sclerotinia Gum, Sodium Alginate, Acacia Gum, Crumpled Carrageen Powder, Gellan Gum. |
| Organic Semi-synthetic thickener | Sodium Carboxymethyl Cellulose, Propylene Glycol Alginate, Hydroxyethyl Cellulose, Sodium Carboxymethyl Starch, Hydroxypropyl Starch Ether, Sodium Starch Phosphate, Acetyl Distarch Phosphate, Phosphorylated Distarch Phosphate, Hydroxylated Distarch Phosphate Phosphate Phosphate Distarch Distarch | |
| Organic sịntetik Thicker | Carbopol, polyethylene glycol, mmanya polyvinyl | |
| micronized thickener | Ọkpụkpụ Micropowder inorganic | Magnesium aluminum silicate, silica, bentonite |
| Ọkpụrụkpụ Micropowder Inorganic gbanwetụrụ | Silica fumed emezigharịrị, steara ammonium chloride bentonite | |
| Organic Micro Thicker | microcrystalline cellulose |
04 Ndị na-agbakọ ọnụ
1. Natural mmiri-soluble thickener
starch:Enwere ike ịmepụta gel n'ime mmiri ọkụ, nke enzymes na-ebu ụzọ banye dextrin, wee banye maltose, n'ikpeazụkwa, gbanye ya kpamkpam n'ime glucose. Na ihe ịchọ mma, enwere ike iji ya dịka akụkụnke ntụ ntụ rawihe dị na ngwaahịa ntụ ntụ ịchọ mma na adhesives na rouge. na thickener.
xanthan gum:Ọ na-agbaze ngwa ngwa na mmiri oyi na mmiri ọkụ, nwere nguzogide ion, ma nwee pseudoplasticity. A na-ebelata viscosity mana enwere ike nwetaghachi ya n'okpuru ịkwa osisi. A na-ejikarị ya eme ihe dị ka ihe mkpuchi ihu, ihe ndị dị mkpa, toner na ihe ndị ọzọ na-ahụ maka mmiri. Akpụkpọ ahụ na-adị ire ụtọ ma na-ezere isi ihe. A na-eji ihe nchekwa ammonium mee ihe ọnụ.
Sclerotin:100% gel eke, ihe ngwọta nke scleroglucan nwere nkwụsi ike pụrụ iche na okpomọkụ dị elu, nwere ezigbo ntinye n'ọtụtụ pH ụkpụrụ, ma nwee nnukwu nnabata maka electrolytes dị iche iche na ngwọta. Ọ nwere ogo dị elu nke pseudoplasticity, na viscosity nke ngwọta adịghị agbanwe nke ukwuu na ịrị elu na ọdịda okpomọkụ. Ọ nwere mmetụta moisturize ụfọdụ na mmetụta anụ ahụ dị mma, a na-ejikarị ya eme ihe nkpuchi ihu na ihe ndị dị mkpa.
Guar chịngọm:Ọ na-agbaze kpam kpam na mmiri oyi na mmiri ọkụ, mana ọ naghị edozi ya na mmanụ, griiz, hydrocarbons, ketones na esters. Enwere ike ịgbasa ya na mmiri ọkụ ma ọ bụ mmiri oyi iji mepụta mmiri mmiri viscosity, viscosity nke 1% ngwọta mmiri bụ 3 ~ 5Pa·s, na ngwọta bụ n'ozuzu impermeable.
sodium alginate:Mgbe pH = 6-9, viscosity kwụsiri ike, na alginic acid nwere ike ime ka mmiri ozuzo colloidal na calcium ion, na alginic acid gel nwere ike ịmalite na gburugburu acidic.
carrageenan:Carrageenan nwere ezigbo nguzogide ion na ọ bụghị dị ka ihe na-emetụta enzymatic mmebi dị ka cellulose mmepụta.
2. Semi-synthetic mmiri soluble thickener
Methylcellulose:MC, mmiri zara n'ime ngwọta colloidal doro anya ma ọ bụ ntakịrị turbid. Iji gbazee methylcellulose, buru ụzọ fesa ya na mmiri ụfọdụ mgbe ọ dị ala karịa gel okpomọkụ, wee tinye mmiri oyi.
Hydroxypropylmethylcellulose:HPMC bụ ihe na-abụghị ionic thickener, nke zara n'ime a doro anya ma ọ bụ dịtụ turbid colloidal ngwọta na mmiri oyi. Ọ nwere ezigbo ụfụfụ na-amụba na stabilizing mmetụta na mmiri mmiri ịsa usoro, mma agbanwe agbanwe nke usoro, na nwere a synergistic mmetụta na cationic conditioners, n'ụzọ dị irè mma Wet combing arụmọrụ, alkali nwere ike mee ngwa ngwa mgbasa ya ọnụego, na ubé dịkwuo elu viscosity, hydroxypropyl methylcellulose kwụsiri ike na nnu n'ozuzu, ma mgbe ntinye nke ngwọta nnu dị elu, viscosity nke hydroxypropyl methylcellulose ngwọta ga-ebelata ọchịchọ ịbawanye.
Sodium carboxymethyl starch： CMC-Na, mgbe ogo nnọchi dị ukwuu karịa 0,5, dị mfe soluble na mmiri na-etolite a transperent colloid; CMC nwere ogo ngbanwe dị ala karịa 0.5 bụ ihe a na-apụghị ịsọpụrụ na mmiri, mana enwere ike ịgbaze ya na ngwọta mmiri alkaline. CMC na-adịkarị n'ụdị nchịkọta nke multi-molecular aggregates na mmiri, na viscosity dị elu. Ka okpomọkụ na-abawanye, viscosity na-ebelata. Mgbe pH dị 5-9, viscosity nke ngwọta kwụsiri ike; mgbe pH na-erughị 3, hydrolysis na-eme mgbe mmiri ozuzo na-eme; mgbe pH karịrị 10, viscosity na-ebelata ntakịrị. Viscosity nke CMC ngwọta ga-ebelatakwa n'okpuru omume nke microorganisms. Ntinye nke calcium ion n'ime CMC aqueous ngwọta ga-eme ka ọgba aghara, na mgbakwunye nke ion metal dị elu dị ka Fe3 + na Al3 + nwere ike ime ka CMC mee ka ọ daa ma ọ bụ mepụta gel. N'ozuzu, mado ahụ dị ntakịrị ike.
Hydroxyethyl cellulose:HEC, thickener, onye nkwusioru. Ọ nwere ike inye ezigbo rheology, ihe nkiri na-emepụta ihe na moisturize. Nkwụsi ike dị elu, mmetụta anụ ahụ na-akpụ akpụ, ezigbo nguzogide ion, a na-atụ aro ka ị gbasaa na mmiri oyi wee kpoo ọkụ ma mee ka ọ gbazee otu.
PEG-120 Methyl Glucose Dioleate:A na-eji ya eme ihe nke ọma dị ka ihe nhịahụ maka ncha ntutu, gel ịsa ahụ, ihe na-ehicha ihu, ihe nchacha aka, ngwaahịa ịsa ụmụaka, na ncha ntutu na-adịghị anya mmiri. Ọ dị irè karị maka ụfọdụ surfactants ndị siri ike ịgbakọ, na PEG-120 methyl glucose dioleate adịghị akpasu iwe n'anya. Ọ dị mma maka ncha ntutu nwa na ngwaahịa nhicha. A na-eji ya na shampoos, ihe nchacha ihu, AOS, AES sodium salt, sulfosuccinate nnu na amphoteric surfactants eji na gel ịsa ahụ nwere mmetụta dị mma na-eme ka ọ dịkwuo mma,
Oge nzipu: Feb-06-2023