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Jeffamine ed600

Manufactured by Huntsman

JEFFAMINE ED600 is a polyoxyalkyleneamine product manufactured by Huntsman. It is a liquid polyether diamine with an average molecular weight of approximately 600 g/mol.

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2 protocols using jeffamine ed600

1

Synthesis of Polyurethane Macromonomer

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Example 6

The macromonomer (b-1) (5 g) synthesized above was added to a 200 mL three-neck flask and dissolved in THF (50 mL). 4,4′-Diphenylmethane diisocyanate (10.2 g) was added to this solution and dissolved at 60° C. NEOSTAN U-600 (trade name, manufactured by Nitto Kasei Co., Ltd.) (0.05 g) was added to this solution and, furthermore, continuously heated and stirred at 60° C. for two hours. This solution was cooled to 5° C., then, terminal diamine polyethylene propylene glycol (JEFFAMINE ED600 (trade name), number-average molecular weight: 600, manufactured by Huntsman Corporation) (9.1 g) was added thereto, and the components were further continuously stirred at 5° C. for one hour. The obtained polymer solution was added to hexane and precipitated, and the residue was dried in a vacuum at 80° C. for 12 hours. The weight-average molecular weight was 37,600.

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2

Synthesis of Poly(2-hydroxyethyl acrylate)

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The poly(ethylene glycol) methyl ether acrylate (PEGMEA480, MW 480), poly(ethylene glycol) dimethacrylate (PEGDMA550, Mw 550), sodium hydroxide (NaOH), 3-(acryloyloxy)-2-hydroxypropyl methacrylate, acetic acid, Sudan I, phenylbis(2,4,6-trimethyl benzoyl) phosphine oxide (BAPO), and phosphate-buffered saline (PBS, pH 7,4) were supplied by Merck and used as received without further purification.
The Jeffamine ED-600 (supplied by Huntsman) and glycerol monomethacrylate (GMM, supplied by Polysciences) were used as received.
2-hydroxy ethyl acrylate (HEA, supplied by TCI), azo-bis-isobutirenitrile (AIBN, supplied by Glentham) and dioxane (supplied by Panreac) were used as received.
The HCL was prepared as described previously from 3-(acryloyloxy)-2-hydroxypropyl methacrylate and Jeffamine using a catalytic quantity of acetic acid [20 ].
The synthesis of poly-HEA (pHEA) was carried out by thermal polymerization in solution. 665 mg of HEA were introduced into a vial, with a stirrer inside, and dissolved in 10 mL of dioxane. Next, 25 mg of AIBN were added. After that, the solution was left stirring for about 5–10 min for its complete homogenization and then nitrogen was bubbled for 5 min. Finally, the polymerization was allowed to proceed overnight in an oven at 60 °C. The next day, upon cooling to 5 °C separation into two phases was observed, which allows the dioxane to be easily removed.
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