N-dodecyl-2-pyrrolidone

Dodecyl-2-pyrrolidinone N-Dodecylpyrrolidinone N-Dodecyl-2-pyrrolidone. See Lauiyl pyrrolidone... 

CAS 2687-96-9 55257-88-0 EINECS/ELINCS 403-730-1 Synonyms 1-Dodecyl-2-pyrrolidinone N-Dodecylpyrrolidinone N-Dodecyl-2-pyrrolidone 1 -Eauryl-2-pyrrolidone 2-Pyrrolidinone, 1 -dodecyl-... 

The phase separation behavior of a sample of poly(N-vinyl-2.pyrrolidone) (PVP) in aqueous Na2S04 (0.55 M) containing a surfactant, sodium dodecyl sulfate (SDS), was reported [83], This phenomenon was studied in function of temperature and surfactant concentration as independent variables. Without surfactant, the polymer exhibits a lower solution temperature (LCST) of 28°C, above which it precipitates. At SDS concentrations of only 300 mg L-1, aggregation was prevented and the behavior of isolated polymer molecules could be studied. 

Pyridoxol hydrochloride. See Pyridoxine HCI Pyridylcarbinol 3-Pyridylcarbinol 3-Pyridylmethanol. See Pyridine-3-methanol Pyroacetic acid Pyroacetic ether. See Acetone Pyrobenzol Pyrobenzole. See Benzene Pyrocellulose. See Cellulose Pyrochol. See Desoxycholic acid Pyrodextrin. See Dextrin 2-Pyrol. See 2-Pyrrolidone Pyroligneus acid. See Acetic acid Pyromucic aldehyde. See Furfural Pyrophyllite. See Aluminum silicate Pyrosulfurous acid disodium salt. See Sodium metabisulfite Pyroxylic spirit. See Methyl alcohol m-Pyrrole. See N-Methyl-2-pyrrolidone 2-Pyrrolidinone a-Pyrrolidinone. See 2-Pyrrolidone 2-Pyrrolidinone, 1-dodecyl-. See Lauryl pyrrolidone 2-Pyrrolidinone, 1-ethenyl, hexadecyl homopolymer CAS 63231-81-2... 

Intercalates form readily between the n-alkyl pyrrolidones and yield interesting effects as a function of alkyl length and ratio of pyrrolidone to surface cation [6]. When utilizing n-dodecyl pyrrohdone (DDP) as a surface treatment, it was found that when DDP was mixed with the clay in a 1 1 ratio to the exchangeable cation, there was an interdigitated intercalate with a r/-spacing of 2.1 nm, which is quite similar to that observed for traditional quaternary amine treated clays. 

When the water structure in the hydrated polymers was examined using the differential scaiming calorimetric technique, it was found that a large amount of free water existed in the MPC polymers [poly(MPC-co-BMA) and poly(MPC-co-n-dodecyl methacrylate (DMA) with 30 unit mol% of MPC] compared with that in poly(HEMA), poly(aciylamide-co-BMA) (PAM), poly(sodium 2-methyl-2-acrylamide propane sulfonate-co-BMA) (PAMB), and poly(N-vinyl pyrrolidone-co-BMA) (PVB) °. 

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