Cetyl haus dej cawv: kev piav qhia thiab daim ntawv thov

Muaj ntau ntawm cov ntawv ntawm kom hniav zoo nkauj khoom uas yuav pom zoo li ib tug muaj raws li cetyl haus dej cawv. Nyob rau hauv feem ntau, nws yog siv es tsis txhob ntawm ib tug stabilizer rau emulsions thiab ntau yam thickeners. Qhov no yog vim lub fact tias cov tshuaj yeeb dej caw yuav tsub kom lub viscosity thiab pab txoj kev hauv tus qauv ntawm tshuaj pleev ib ce, tsis hais ntawm cov theem ntawm pH. Nyeem ntxiv txog qhov no zoo kawg li yeeb tshuaj, uas yog li ntawd xav kom siv ntau mistresses nyob rau hauv lub tsev tshuaj pleev ib ce, peb piav qhia txog nram qab no.

Raws li kom hniav zoo nkauj haus dej haus cawv!

Cetyl los yog palmitic cawv yog hais txog ib tug monatomic Tshuaj. Nws los ua ib tug ntawm cov thawj fatty alcohols siv nyob rau hauv lub kom hniav zoo nkauj lag luam. Cetyl haus dej haus cawv rau cov thawj lub sij hawm twb nrhiav tau los ntawm Fabkis chemist Eugene Chevreul nyob rau hauv 1823 thaum lub kawm ntawm cov phev whale fibrous sac. Vim li no, lub heev ntsuj plig ntawm lub Greek lub npe txhais li "whale".

Thiab yog hais tias chiv rau zus tau tej cov tshuaj yeeb dej caw yog ua capture ntawm cov phev, ces ntau tom qab ntawd nws kawm coj los ua ke artificially. Ib tug ntawm cov kev yog tus cawv extraction txheej txheem ntawm ib nrab oxidation ntawm paraffins. Lwm lub npe hu txoj kev ua ib tug tas mus hydrogenation C16H33OH palmitic acid.

Cetyl haus dej cawv: daim ntawv thov

Tom qab haus dej haus cawv C16H33OH tau raug kawm nyob rau hauv ntau yam, lawv txaus siab cov neeg sawv cev ntawm lub tshuaj pleev ib ce lag luam. Tom qab ntawd nws tau siv nyob rau hauv qhov siv thiab ua ntau yam tshuaj pleev (e.g., ntawm hlawv), lubricants, medicaments, surfactants, soaps, cov kuab tshuaj thiab plasticizers.

Nyob rau hauv tas li ntawd, lub cetyl cawv siv raws li ib qho zoo heev thickener rau zawv plaub hau, conditioners thiab cov plaub hau txias. Raws li ib tug co-emulsifier nws yog siv nyob rau hauv qhov siv thiab ua depilatory agents rau cov poj niam, antiperspirants, tshuaj pleev ib ce, cream thiab tag nrho cov xaiv ntawm qhov ncauj qhov ntswg.

Vim lub thaj chaw ntawm antiseptecheskih, C16H33OH feem ntau siv nyob rau hauv kev ntxuav muab tshuaj pleev thiab lwm yam xov xwm rau lub cev thiab cov tawv nqaij. Nws yog zoo kawg nkaus foams thiab tsub kom lub ruaj khov lub xeev ntawm npaus nyob rau hauv xws kom hniav zoo nkauj khoom.

General hauj lwm ntawm cov tshuaj

Haus dej cawv C16H33OH ntawm no hom tsis yog nyob rau hauv cov kua thiab khoom hauv lub xeev. Dig muag, nws tsa ib tug dawb solidified rog, siv quav ciab los paraffin muaj tsis muaj saj thiab tsis hnov tsw. Nws yog insoluble nyob rau hauv dej tab sis yog kuj yooj yim melted thiab sai heev solidified rau ib co poob ntawm thawj zoo lawm. Txoj kev mus rau khaws thiab tsis plam nws cov khoom ntawm kiag li tej yam kev mob.

melting thiab kub taw tes ntawm cov cawv

Cetyl haus dej cawv, raws li zoo raws li yuav luag txhua cov khoom, nws yuav ua tau mos mos. Txawm li cas los, qhov no yog tsis yooj yim li, vim lub melting point ntawm cov tshuaj caij yog 54,6 ° C. Nws yog noteworthy uas C16H33OH yuav tau coj tuaj rau ib tug boil. Nov yog nws xav tau kev pab ntau kub, yam tsawg kawg li rau 270 los yog txawm mus txog 344,0 ° C.

Yuav ua li cas pab tau cov khoom muaj haus dej haus cawv?

Palmitic cawv muaj ib tug xov tooj ntawm pab nta uas yog indispensable nyob rau hauv qhov siv thiab ua cov kws, cov tshuaj lom thiab kom hniav zoo nkauj khoom. Piv txwv li, lub cawv yog ib tug natural, vim hais tias nws muaj ib tug tej yam ntuj tso keeb kwm thiab yog generated los ntawm cov nroj tsuag cov ntaub ntawv uas.

Qhov thib ob qho tseem ceeb point: cetyl haus cawv (nyob rau hauv tshuaj pleev ib ce nws yog siv los txuas ob peb yam nyob rau hauv cream, muab tshuaj pleev thiab lwm yam kua tshuaj) yog ib qho zoo heev viscosity regulator los yog ib tug stabilizer thiab thickener zoo. Piv txwv li, yog hais tias nws yog tsis ntxiv, ces ntxov los sis tom qab ntawd ib tug los yog lwm kom hniav zoo nkauj khoom yuav poob nws cov thawj zoo thiab ua txhaum li mus rau hauv lub Cheebtsam. Tab sis nyob rau hauv lub meantime, lub cawv puas cream yog heev tuab, on qhov tsis tooj, lawv tau ib txwm taub hau.

Nws yog haus dej haus cawv, uas yog ib feem ntawm ntau cream, muab lawv ib tug tuab qauv, uas tau yooj yim freezes nyob rau hauv lub txias, nws tsis kis tau thiab yog absorbed sai sai. Thaum siv nyob rau hauv kom hniav zoo nkauj series rau C16H33OH lub taub hau yuav pab tau los txhim kho lub tsos ntawm cov plaub hau, zoo heev tswj cov txheej txheem ntawm combing.

Kuv yuav cov cawv nyias?

Kiv cua ntawm lub tsev siv thiab ua cov tshuaj pleev ib ce feem ntau yuav ntau yam khoom xyaw nyias. Cetyl, palmitic los yog haus dej haus cawv kuj yuav. Nws yog muag, feem ntau yog nyob rau hauv me me pob khoom 50 mus rau 1000 grams nyob rau hauv daim ntawv ntawm cov khoom granules. Tsawg ntau nyob rau hauv lub qhov muag los ntawm ceeb thawj.

Yuav ua li cas yog qhov zoo ntawm cetyl haus cawv?

Cetyl - fatty cawv muaj ib tug xov tooj ntawm zoo. Piv txwv li, nws tsis ua rau koob tshuaj tiv thaiv, yog li ntawd, tshuaj pleev ib ce nrog C16H33OH yuav ntiav cov neeg uas muaj txawm lub feem ntau rhiab daim tawv nqaij. Nws yog zoo yaim thiab penetrates tsaug rau hauv qhov chaw ntawm lub epidermis, muab nws pab cov as-ham. Nyob rau hauv tas li ntawd, haus dej cawv yog zoo li envelops koj cov tawv nqaij nrog ib tug nyias tiv thaiv zaj duab xis, tsis pom mus rau tus liab qab qhov muag. Qhov no yog ib tug teeb meem uas yuav pab tiv thaiv koj lub cev los ntawm teeb meem UV rays.

Ntawm lwm yam, qhov no tshuaj caij yog zoo kawg nkaus disinfects lub puas nto ntawm daim tawv nqaij, kuj ua ib tug me me antiseptic. Piv txwv li, nws muaj peev xwm ntau sai sai kho me wounds, khawb thiab txiav.

Puas muaj tej tsis zoo rau dej cawv?

Muaj yog ib tug xaav hais tias haus dej haus cawv desiccate ntawm daim tawv nqaij. Yog li ntawd, muaj ntau yam cov poj niam xaiv tsis mus yuav tshuaj pleev ib ce, uas yog tsim los ntawm cov, piv txwv li, cetyl haus dej cawv. Raug mob, nyob rau hauv lawv lub tswv yim, nws theem tsis tau tsuas yog ntawm daim tawv nqaij, tab sis kuj cov sebaceous qog, uas narrows thiab clogs. Txawm li cas los, qhov no saib yog yuam kev vim hais tias cov tshuaj yeeb dej caw muaj tsis muaj xws phiv zog. On qhov tsis tooj, nws yuav pab kom nqaim pores thiab yog haum rau yuav luag tag nrho cov hom ntawm daim tawv nqaij.

Nyob rau hauv tas li ntawd, nws C16H33OH moisturizes lub epidermis, nws tseem muaj feem rau qhov tsim nyog ya raws thiab ua rau nws elastic, velvety mus rau lub kov.

Raws li ib tug tsis ntev los no kev tshawb no ntawm cetyl cawv nyob rau ntawm ib pab pawg neeg ntawm kom hniav zoo nkauj Khoom Review, qhov no zoo ntawm cov khoom yog kiag li muaj kev nyab xeeb. Nws tsis qhia toxicity, nws tsis nkag mus rau hauv lub oxidation cov tshuaj tiv thaiv, ces nws yuav siv tau raws li ib tug ntawm cov khoom xyaw Hoobkas thiab improvised tshuaj pleev ib ce.

Puas muaj tej contraindications rau kev siv ntawm cetyl haus cawv?

Dua li ntawm qhov loj daim ntawv teev cov zoo zoo, txoj kev siv cov cetyl cawv muaj ib co contraindications. Nyob rau hauv kev, nws yog tsis tsim nyog rau siv nws rau cov neeg uas tau haus dej haus cawv yam idiosyncrasy Cheebtsam.