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Poly(HEMA) Synthesis & Properties

This document summarizes the synthesis and characterization of poly(2-hydroxyethyl methacrylate). It was synthesized by living polymerization of 2-(trimethylsilyl) ethyl methacrylate followed by deprotection to form the hydroxyl groups. The molecular weight and polydispersity were obtained via size exclusion chromatography. It is soluble in ethanol and DMF but insoluble in hexane, toluene, THF and water.

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0% found this document useful (0 votes)
52 views1 page

Poly(HEMA) Synthesis & Properties

This document summarizes the synthesis and characterization of poly(2-hydroxyethyl methacrylate). It was synthesized by living polymerization of 2-(trimethylsilyl) ethyl methacrylate followed by deprotection to form the hydroxyl groups. The molecular weight and polydispersity were obtained via size exclusion chromatography. It is soluble in ethanol and DMF but insoluble in hexane, toluene, THF and water.

Uploaded by

Hira Khaleeq
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Sample Name: H NMR:

Poly(2-hydroxyethyl methacrylate)

Sample #: P18899DD-HEMA
(synthesized by GTP process HEMA-TMS
monomer)

Structure:
CH3

CH2 C
n
C O

CH2

CH2
SEC of Homopolymer:
OH
SAMPLE ID: P18899D-HEMATMS
Composition:
3 Conc (mg/mL) 19.5909
Mn x 10 PDI dn/dc (mL/g) 0.0650
Method PS80K-17SEP2014-0000.vcm
10.0 1.4 Solv ent DMF w 0.03M LiBr

Microstructure % Column PSS

53:41;6
S;H:I 179.40 900.00 76.52 100.00

165.60 830.77 70.63 92.31

Synthesis Procedure: 151.80 761.54 64.75 84.62

Poly(2-hydroxyethyl methacrylate) is synthesized 138.00 692.31 58.86 76.92

by living polymerization (anionic or by GTP 124.20 623.08 52.97 69.23

process) of 2-(trimethylsilyl) ethyl methacrylate

Right Angle Light Sc attering (mV)


Low Angle Light Sc attering (mV)

110.40 553.85 47.09 61.54


followed by deprotection of hydroxyl group under
Refrac tiv e Index (mV)

Vis c ometer - D P (mV)


96.60 484.62 41.20 53.85
acidic conditions.
82.80 415.38 35.32 46.15

Characterization: 69.00 346.15 29.43 38.46

The molecular weight and polydispersity index 55.20 276.92 23.54 30.77

(PDI) of Poly(2-hydroxyethyl methacrylate) are 41.40 207.69 17.66 23.08

obtained by size exclusion chromatography in DMF 27.60 138.46 11.77 15.38


o
at 60 C using TDA Viscotek triple detector.. 13.80 69.23 5.89 7.69

0.00 0.00 0.00 0.00

Solubility: Poly(2-hydroxyethyl methacrylate) is 8.00 9.60 11.20 12.80 14.40 16.00 17.60
Retention Volume (mL)
19.20 20.80 22.40 24.00

soluble in ethanol, DMF etc. it is insoluble in P18899D-H EMATMS_01.v dt: Refrac tiv e Index
Low Angle Light Sc attering
Right Angle Light Sc attering
Visc ometer - D P

hexane, toluene, THF, and water.


Sample Mn Mw Mp Mw/Mn IV

P18899D-HEMAT MS_01.vdt 15,915 22,178 16,277 1.394 0.1079

Mn : 10,000 Mw/Mn 1.4

v.A-1

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