Propylene glycol imvura isina ruvara, isinganhuhwi, ine viscous zvishoma ine mavara akakora zvishoma pane mvura. Iyo inenge isina kuravira uye inogadzirwa nemakemikari chikafu chekuwedzera. Kufanana ne ethanol, chinhu chinodhaka.

Pamusoro pezvo, se organic solvent, inogona kunyungudutsa mamwe organic solutes zviri nani pane mvura uye inogona zvakare kuchengetedza mwando zvakanaka. Nekuda kweaya akakosha emakemikari zvimiro, anoshandiswa zvakanyanya muzvizoro. Propylene glycol inowanzo shandiswa se moisturizer, softener, solvent, nezvimwewo, uye ine yakanakisa moisturizing uye maapplication mhedzisiro. Inogona kushandiswa munenge zvese zvizorwa, kunyanya mvura, lotion, cream, kumeso mask uye zvimwe zvigadzirwa.

Pamusoro peiyo cosmetics munda, zvakare yakakosha mumunda wekudya. Inotiziva, asi tinoiteerera zvishoma. Maererano ne "GB 2760-2014 National Food Safety Standard - Food Additive Usage Standard", mabasa epropylene glycol ndeaya: stabilizer, coagulant, anti-caking agent, defoaming agent, emulsifier, muchengeti wekuchengetedza hunyoro, uye thickener.

Nokudaro, inowanzoshandiswa sekudya emulsifier kuti iwedzere kuchingwa, bhotela uye zvimwe zvigadzirwa. Pamusoro pezvo, propylene glycol inowanzoshandiswa mukugadzira doro uye kuita zvekubvisa sechinhu chinonyungudutsa chezvinonhuhwirira.

Mukuwedzera, kune shamwari dzinoda kubheka, propylene glycol inowanzoshandiswa, iyo inogona kubatsira mabheji kuwana kuravira kwakanaka uye kunaka.

Maererano nemitemo yenyika, kudya kwakachengeteka kwepropylene glycol kunotevera zviyero zvakatarwa neInternational Joint Expert Group pane Zvokudya zvinowedzera, ndiko kuti, kudya kwemazuva ose hakufaniri kudarika 25 mg pa kilogram yehuremu hwemuviri.

Kune munhu mukuru anorema 70 kg, iyo yakanyanya kudyiwa yezuva nezuva haina kupfuura 1.75 g. Parizvino, mumunda wekugadzirwa kwechikafu senge makeke, kana uchishandisa propylene glycol sekuwedzera, nzira yakagamuchirwa ndeyekuti zvirimo hazvipfuuri magiramu matatu pakirogiramu yechikafu.

Propylene glycol inogona kubvumidzwa kuti ishandiswe sechikafu chekuwedzera uye yakapfuura kuongororwa kwakasimba kwekuchengetedza. Pasi pe "mashandisirwo akaenzana ekushandisa uye kutora", "kushandiswa kwenguva refu" hakuzove kukuvadza kune hutano.

makemikari zvinhu

Propylene glycol
CAS:57-55-6
Molecular formula C3H8O2
molecular uremu 76.09
EINECS nhamba 200-338-0
Kunyungudika -60 °C (lit.)
Nzvimbo yekubikira 187 °C (lit.)
Density 1.036 g/mL pa25 °C (lit.)
Mhepo density 2.62 (vs mhepo)
Mhepo yehutsi 0.08 mm Hg (20 °C)
Refractive index n20 /D 1.432(lit.

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