L(+)-lactic acid (LA), 2-(dimethylamino)ethyl methacrylate (DMAEMA), 2-(diethylamino)ethyl methacrylate (DEAEMA), 2-N-morpholinoethyl methacrylate (MEMA), and 2-(tert-butylamino)ethyl methacrylate (TBAEMA) were purchased from Sigma-Aldrich (St. Louis, MO, USA). The ethanol used was 200 proof and reagent grade. The deuterium oxide (D2O) used had 99% 2H atoms and was filtered through a 0.22 um filter.
2 tert butylamino ethyl methacrylate
Manufactured by Merck Group
Sourced in United States
2-(tert-butylamino)ethyl methacrylate is a chemical compound used in the production of various lab equipment and materials. It serves as a functional monomer in the synthesis of polymers and copolymers. The core function of this product is to provide specific properties and performance characteristics to the final material or equipment.
Automatically generated - may contain errors
Lab products found in correlation
Vazo 67, by DuPont (2 mentions)
N butyl acetate, by Merck Group (2 mentions)
L lactic acid, by Merck Group (1 mentions)
2 n morpholinoethyl methacrylate, by Merck Group (1 mentions)
2 dimethylamino ethyl methacrylate, by Merck Group (1 mentions)
2 diethylamino ethyl methacrylate, by Merck Group (1 mentions)
Acrylic acid, by Merck Group (1 mentions)
2 bromopropionyl bromide, by Thermo Fisher Scientific (1 mentions)
Sulfuric acid, by Resonac (1 mentions)
Zetasizer nano z, by Malvern Panalytical (1 mentions)
Malvern zetasizer nano z, by Malvern Panalytical (1 mentions)
Span 85, by Merck Group (1 mentions)
Aerosol ot, by Merck Group (1 mentions)
Ultrasonic bath, by Avantor (1 mentions)
Tipure r960, by DuPont (1 mentions)
4 protocols using 2 tert butylamino ethyl methacrylate
1
Synthesis of Methacrylate Monomers
2
Synthesis of Multifunctional Polymeric Materials
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Polycaprolactone powders with a number average molecular weight of 80,000 g/mole, acrylic acid, and (2-tert-butylaminoethyl) methacrylate were supplied by Sigma-Aldrich, St. Louis, MO, USA. Dimethylformamide (DMF) and tetrahydrofuran were purchased from Echo Chemical Co. (Miaoli, Taiwan). Chloroform was supplied by J.T. Baker, Radnor, PA, USA. Copper(I) bromide (CuBr), 1,1,4,7,10,10-hexamethyl-triethylenetetramine, 2-bromopropionyl bromide, and EDGMA were supplied by Alfa Aesar, Ward Hill, MA, USA. Sulfuric acid (97% purity) was provided by Showa, Tokyo, Japen. Lastly, 2-hydroxy-2-methy-l-propiophenone (Speedcure 73; purity of 96%) was purchased from Avantor Inc., Radnor, PA, USA.
3
Preparation of Electrophoretic Ink Particles
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Example 1
50 g of n-butyl acetate (Merck, 101974), 5.0 g of mono-terminated polydimethylsiloxan methacrylate (ABCR, AB146684), 0.5 g of (2,3-Epoxypropyl)-methacrylat (Merck, 800609), 4.5 g of 2-tert-Butylaminoethylmethacrylate (Aldrich, 444332), and 0.12 g of Vazo 67 (DuPont) are combined in a 100 ml 3-neck flask equipped with reflux condenser, nitrogen supply, and septum. A preheated heating block (70° C.) is raised under the reaction vessel and the reaction is allowed to continue for 2 h.
12.0 g of the resulting polymer solution and 10.0 g of TiO2 particles (DuPont, Ti-Pure R960), 0.5 g of N,N-dimethyldodecylamine (Aldrich, 384386) are combined in a 100 ml round bottom flask and allowed to disperse and react at 120° C. for 24 hours. The resulting dispersion is deposited (benchtop centrifuge, RCF=3000, 20 min) and redispersed in fresh dodecane thrice.
Electrophoretic inks with 3% wt of the prepared particles and 5% wt Aerosol OT (Aldrich, 323586), respectively 3% wt of a sodium alkyl (branched) benzene sulfonate are prepared and the Zetapotential characterised using a Malvern Zetasizer Nano ZS. With the Aerosol OT a Zetapotential of +54 mV, is found.
4
Synthesis of Polymer-Coated TiO2 Particles
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Example 2
30 g of n-butyl acetate (Merck, 101974) are pre-heated to 85° C. (temperature at the heating block) in a 100 ml 3-neck flask equipped with reflux condenser, nitrogen supply, and septum. 5.0 g of mono-terminated polydimethylsiloxan methacrylate (ABCR, AB146684), 0.5 g of (2,3-Epoxypropyl)-methacylate (Merck, 800609), 4.5 g of 2-tert-Butylaminoethylmethacrylate (Aldrich, 444332), and 0.12 g of Vazo 67 (DuPont) are combined and metered into the reaction vessel over a period of 2 h using a syringe pump. After addition of the reactants, an additional 0.12 g of Vazo 67 is added and the reaction is allowed to continue for 2 h.
1.0 g of the resulting polymer solution and 2.0 g of TiO2 particles (DuPont, Ti-Pure R960) are combined and subjected to ultrasound for 45 min in an Ultrasoundbath (VWR Ultrasonic bath, USC600TH, 260 W output). The resulting dispersion is filtered through a 50 micron cloth (SEFAR NITEX 03-50/1). Afterwards, the particles are deposited (benchtop centrifuge, RCF=3000, 20 min) and redispersed in fresh dodecane thrice.
Electrophoretic inks with 3% wt of the prepared particles and 3% wt additive are prepared and the Zetapotential characterised using a Malvern Zetasizer Nano ZS.
With Aerosol OT (Aldrich, 323586) a Zetapotential of +4 mV, and with Span 85 (Aldrich, S7135) a Zetapotential of +3 mV is found.
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