Vawleicung - Premier Propylene Glycol: Riantuannak tampi a ngeimi Organic Compound

Taksa le Chemical sining

A muisam le a rim: Propylene glycol cu ​​rong a ngei lomi, a fiangmi le a nemmi ti bantuk in a lang. A thlum lo ngai i rim a ngei lo, cu nih cun a tlarimi hngalh khawhnak a herhnak hmun ah hmannak caah aa tlakter.

A cawh khawhnak: A ttha tukmi cawh khawhnak a langhter, ti, ethanol, ether, acetone, chloroform le a dang organic solvents tampi he tling tein cawh khawh a si. Hi thilri nih hin a phunphun in sermi thilri ah ttha tein thlennak le thlennak ah rian a ttuan khawh.

A biapimi taksa aa thleng lomi: Molar mass 76.09 g/mol he, propylene glycol cu ​​25°C ah 1.036 g/cm3 hrawng a ritmi a si, cucu ti nakin a tlawm deuh. A lumnak hmun cu - 59°C a si, cu nih cun a kau ngaimi lumnak hmun ah ti bantuk dirhmun ah a umter khawh. A linnak hmun cu a tlarimi hneknak tangah 188.2°C ah a dir, cu nih cun pawngkam lumnak ttha ah a fekmi a si ti a langhter. Meikanghnak hmun cu a sang ngai, 99°C (kharmi - hrai) hrawng a si, cu nih cun ruahlo piin mei kangh khawhnak a zorter.

Chemical Reactivity: Diol pakhat a si bantukin, propylene glycol nih zu phu hna he aa pehtlaimi chemical thlennak phunphun ah aa tel kho. Carboxylic acids he an i pehtlaih tikah esters a ser khawh, cucu riantuannak le hmanmi thilri tampi sernak ah a biapi tukmi a si. Cun, thil sining tthenkhat tangah ti tlawmternak lehrulhnak a tong kho, cu nih cun intramolecular cyclic ethers asiloah intermolecular polymers sernak ah a hruai.

Hmannak Hmun

Rawl le dinmi chawlehnak: Propylene glycol nih hi rian ah hin rian tampi a ttuan. Humectant bantuk in rian a ttuan, rawlchuanmi thilri, changreu, le cawhnuk thilri tibantuk ah ti a umter, cucaah an nunnak a sauhter i a tthatnak a kilven. A cawhmi thil pakhat in, a thlum, a rong le a kilvengtu thilri pawl cawhnak caah hman a si, cu nih cun rawl le dinti sernak ah aa khatmi phawtzamhnak a tuah khawh. Tahchunhnak ah, dinmi thilri hna caah ti thlumternak ah le rawlchuannak thilri hna ah a herhmi chiti hna caah a phortu ah hmuh a si tawn. Cun European Union ah rawl chapnak (E1520) ah cohlanmi a si, cun a tlangpi in US Rawl le Sii Zung (FDA) nih a himmi (GRAS) tiah a cohlanmi a si, a khiahmi ri chung ah hman a si.

Sii sernak riantuannak: Sii lei ah, propylene glycol nih a biapi tukmi rian a ttuan. Ti ah fawi tein a cawh khawh lomi sii caah thlennak ah tam deuh in hman a si, cu nih cun kaa in dinmi, thunhmi le cunglei sii ah ser khawhnak a bawmh hna. Tahchunhnak ah, kaa in dinmi sii tampi ah, propylene glycol nih a cawlcangmi sii thilri pawl kha a hrawh hna i, a dikmi zat kha a hngalhter. Cream le ointment tibantuk a cunglei sernak ah, vun nih sii a lak khawhnak a tthanter i, a lumtertu le a luh khawhnak a tthanchotertu rian a ttuan. Cun, rungrul thahnak le rungrul thahnak thilri cheukhat zong a ngei, sii lei thilri pawl kilvennak ah a bawmh.

Thilri le Pumpak Zohkhenhnak: Propylene glycol cu ​​thilthuam le pumpak zohkhenhnak thilri phunphun ah a biapi bikmi thilri a si. Moisturizers, serums, le cleansers tibantuk vun zohkhenhnak thilri hna ah, humectant rian a ttuan, thli chungin ti a lak i vun ah a peh, cucaah vun cu a lumter. A thlet khawhnak nih a cawlcangmi thilri phunphun le rimhmui pawl kha a thlet khawh hna, cu nih cun thilri ah aa tluk tein phawtzamhnak a tuah khawh. Cun sam zohkhenhnak thilri hna ah shampoo le conditioner tibantuk ah hman a si i an muisam a tthatter i sam hnah ah a ttha mi thilri pawl a phanh khawhnak hnga a bawmh. Kutdong hnimhnak ah, propylene glycol nih plasticizer rian a ttuan, hnipuan cu a rawk i fawi tein a thleh lonak hnga a kham.

Chawlehthalnak hmannak: Propylene glycol cu ​​thilri phunphun sernak ah a herhmi thilri pakhat a si. Fiberglass - fehtermi plastic sernak ah tampi hmanmi a tling lomi polyester resins sernak ah a biapi tukmi thilri a si. Hi plastic pawl hi mawtaw, saknak le rili tibantuk riantuannak ah hman khawh an si, zeicahtiah an thazaang - le - rit zat le rawkralnak an doh khawh caah a si. Mawtaw sernak ah, propylene glycol - hrambunhmi antifreeze le lumternak sii sernak hna cu mawtaw lumnak uk khawhnak caah hman a si, a lin tukmi le a lin tukmi kha a kham. Cun, thilthuam, catlap, le hrennak hna ah thlennak le phorhtu rian a ttuan, an riantuan ning le hmannak sining a tthanchoter.

Timhtuahnak Lam

Epoxy Propane Hydrolysis: Mah cu riantuannak ah a tlangpi in hmanmi lam pakhat a si. Hi thil kalning ah hin, epoxy propane (propylene oxide) cu catalyst a um lio ah ti he aa pehtlaih. Cu lehrulhnak cu thil sining aa dangmi tangah a cang kho. Ti - ti thletnak phunglam ah, lumnak sang (150 - 200°C hrawng) le hneknak (0.98 - 2.94 MPa) hman a si, ti - le - epoxy propane molar ratio cu a tlangpi in 20 hrawng a si. Epoxy propane in propylene glycol ah thlennak rate cu 85% hrawng a phan kho ko nain, polylene glycol cu ​​85% hrawng a si zong a chuak. A dang lam pakhat cu acid - catalyzed hydrolysis a si, cu ahcun acid catalyst (sulphuric acid tibantuk) tlawmpal an chap. Cu thlennak cu a niam deuhmi lumnak (50 - 70°C) ah tuah a si, cun a chuakmi thilri cu a thiangmi propylene glycol hmuh khawhnak ding caah vacuum distillation tibantuk thil tuahnak in thianh le thianh a hau.

Glycerol Catalytic Hydrogenolysis: Glycerol cu ​​propylene glycol chuah khawhnak ding caah thilri ah hman khawh a si. Hi lamthluan ah, glycerol nih a hydroxyl phu pawl protonation a tuah hmasa, cu hnu ah intramolecular ti tlawmternak a tuah i enols le keto - aldehyde tautomers tibantuk a karlak thilri pawl a ser. Hi a karlak thilri hna cu catalyst (copper - based catalyst tibantuk) a um tikah hydrogenation an tuah, a donghnak ah 1,2 - propylene glycol a chuahter. Hi lam nih hin a tharchuah khawhmi rawlchuannak (glycerol) hmannak ṭhatnak a ngei, mah cu biodiesel chuahnak tibantuk hmun in hmuh khawh a si.

Biotechnological Lam: Bacteria phun cheukhat le thilnu tibantuk thilnung hme tete cheukhat cu cawhnak in propylene glycol chuah khawhnak ding caah ser khawh an si. Tahchunhnak ah, Escherichia coli asiloah Klebsiella pneumoniae kha thlennak in, thlum (glucose tibantuk) asiloah glycerol kha propylene glycol ah thlen khawh an si. Hi biotechnological lamthluan hi hlanlio chemical lamthluan he tahchunh ahcun pawngkam caah a ttha deuh, zeicahtiah a nem deuhmi thil sining tangah rian a ttuan i a tharchuah khawhmi carbon hrampi a hman khawh. Sihmanhsehlaw, hi lam hna i an chuah khawhnak le an man - tthatnak cu hlathlainak le tthanchonak a ummi hmun an si rih.

Ralrinnak

Ngandamnak Ruahchannak: Propylene glycol cu ​​a tlangpi in cohlanmi ri chung ah rawl, sii, le thilthuam ah hman awk ah a him tiah ruah a si ko nain, a tam tukmi hmannak asiloah eidinnak nih ngandamnak caah a chiatnak lei in a chuahpi khawh. A tam tuk ei ahcun luakchuah, luakchuah le zunthlum tibantuk zawtnak hmelchunhnak a chuahter khawh. A zual tuk ahcun, pum nih acid tam tuk a khonmi zawtnak, metabolic acidosis a chuahter khawh. A tlawmmi propylene glycol he vun i tonnak nih mi cheukhat caah fahnak a chuahter khawh, a hlei in vun a fahtermi hna caah. Caan sau asiloah voi tampi vun i tongh cu hrial ding a si. Riantuannak hmun ah hman tikah, propylene glycol thli luhchuahnak hrial khawhnak dingah thli luhternak ttha a herh, zeicahtiah a tam tukmi luhchuahnak nih thawchuah harnak a chuahter khawh.

Meikanghnak le Puahkehnak Tihnung: Propylene glycol cu ​​a kang khomi a si, asinain a linnak hmun a sang ngai. A thli nih thil sining cheukhat tangah thli he a puak khomi cawhmi a ser khawh. Chiahnak le hmannak hmun hna cu meikhu, meikhu, le a dang meikhu chuahnak hmun hna he aa hlatnak ah chiah ding a si. Propylene glycol chiahnak le hmannak hmun ah mei - a kham khomi chiahnak kuang le aa tlakmi mei - khamnak thilri hna cu a um awk a si.
Pawngkam hnahnawhnak: Propylene glycol cu ​​a rawk khomi a si ko nain, pawngkam ah, a hlei in ti chung ah a tam tukmi chuahnak nih hnahnawhnak a chuahpi khawh rih. Tichung thilnung hna ah, a rawk tikah oxygen a ei khawh, tichung thilnung hna kha a hnorsuan khawh hna. Cucaah, pawngkam ah uk khawh lomi propylene glycol chuah lonak ding caah thilri hnawm zohkhenhnak le khamnak phunglam ningcang tein tuah a hau.

A sining

Quality Control Sheet