US EPA

7551237 

Journal Article 

Polymers based on N‐Aryl methacrylatoethyl carbamate 

Santhana Krishnan, PG; Choudhary, V; Varma, IK 

1992 

1 

Polymer International
ISSN: 0959-8103 

29 

2 

131-135 

English 

10.1002/pi.4990290211 

N‐Aryl methacrylatoethyl carbamate monomers were prepared by reacting phenyl isocyanate/4‐chlorophenyl‐isocyanate and 2‐hydroxyethyl methacrylat, Homopolymerisation and copolymerisation with methyl methacrylate in a tetrahydrofuran solution was carried out using azobisisobutyronitrile/benzoyl peroxide as an initiator at 60°C. Molecular characterisation of polymers was done by intrinsic viscosity determination at 30°C in chloroform and molecular weight determination by gas permeation chromatography using poly(methyl methacrylate) standards. Molecular weight distribution ranged from 1.5 to 2.63. Copolymer composition was determined by using 1H‐NMR. Thermal behaviour of the polymers in a nitrogen atmosphere was evaluated using dynamic thermo‐gravimetry. Copyright © 1992 Society of Chemical Industry 

2‐hydroxyethyl methacrylate; 4‐chlorophenyl isocyanate; copolymerisation; methyl methacrylate; N‐aryl methacrylatoethyl carbamate; phenyl isocyanate; Acrylics; Characterization; Copolymerization; Copolymers; Molecular weight; Physical properties; Polymethyl methacrylates; Polyurethanes; Synthesis (chemical); Thermodynamic properties; Aryl methacrylatoethyl carbamate; Dynamic thermogravimetry; Methyl methacrylate polymerization; Aromatic polymers