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435503
Poly(propylene glycol)-block-poly(ethylene glycol)-block-poly(propylene glycol)
average Mn ~3,300
Synonim(y):
Pluronic® 31R1, PPG-PEG-PPG
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About This Item
Numer CAS:
Numer MDL:
Kod UNSPSC:
12352112
Identyfikator substancji w PubChem:
NACRES:
NA.23
Polecane produkty
Formularz
viscous liquid
masa cząsteczkowa
average Mn ~3,300
skład
PEG, 10 wt. %
współczynnik refrakcji
n20/D 1.454
napięcie powierzchniowe
34 dyn/cm, 25 °C, 0.1 wt. % in H2O
lepkość
660 cP(25 °C, Brookfield)(lit.)
temp. przejścia
softening point −25 °C
cloud point 25 °C (1 wt. % aqueous solution)
gęstość
1.018 g/mL at 25 °C
HLB
2.0 - 7.0
ciąg SMILES
O2C(C2)C.O1CC1
InChI
1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2
Klucz InChI
RVGRUAULSDPKGF-UHFFFAOYSA-N
Opis ogólny
Surface activity of the polymer is dependent on the EO/PO ratio. PPG-PEG-PPG exhibits lower foaming, greater defoaming and reduced gelling tendencies relative to Pluronic® surfactants. Terminal secondary hydroxyl groups of PPG-PEG-PPG have lower reactivity and acidity than the primary hydroxyl groups in Pluronic surfactants.
Zastosowanie
Hard and soft surface cleaners, defoamers in coatings and water treatment. Lubricant in metal working, anti-foaming aid and extender for linear and cross-linked polyesters and polyurethanes.
PPG-PEG-PPG Pluronic® 31R1 can be used as surface cleaners (soft and hard), defoamers in coatings, in water treatment, lubricant in metal working, anti-foaming aid and extender for linear and cross-linked polyesters and polyurethanes.
Cechy i korzyści
Surface activity is dependent on the EO/PO ratio. Lower foaming, greater defoaming and reduced gelling tendencies relative to Pluronic® surfactants. Terminal secondary hydroxyl groups have lower reactivity and acidity than the primary hydroxyl groups in Pluronic® surfactants.
Informacje prawne
Pluronic is a registered trademark of BASF
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Kod klasy składowania
10 - Combustible liquids
Klasa zagrożenia wodnego (WGK)
WGK 3
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
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Produkty
Mesoporous materials are formed by a self-assembly process from combined solutions of sol-gel precursors (e.g., metal alkoxides) and structure-directing amphiphiles, usually block-copolymers or surfactants.
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