Search Results - "Padmanabha Iyer, N."
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Nanoindentation and optical properties of poly(4,4′-oxydiphenylene p-phenylene pyromellitimide) copolyimide thin films according to the p-phenylene diamine content
Published in Journal of polymer science. Part B, Polymer physics (15-06-2004)“…Poly(p‐phenylene pyromellitimide) (PMDA‐PDA), poly(oxydiphenylene pyromellitimide) (PMDA‐ODA), and poly(4,4′‐oxydiphenylene p‐phenylene pyromellitimide) random…”
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2
Structure-property relationship of blocked diisocyanates: synthesis of polyimides using imidazole-blocked isocyanates
Published in Polymer international (01-06-2000)“…Imidazole, 2‐methylimidazole and benzimidazole‐blocked aromatic and aliphatic diisocyanates have been prepared and polymerized with pyromellitic dianhydride in…”
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3
Synthesis and dissociation of amine-blocked diisocyanates and polyurethane prepolymers
Published in Polymer international (01-03-2002)“…Substituted N‐methylanilines are shown to act as blocking agents for toluenediisocyanate. N‐methylaniline‐, N‐methyl‐p‐anisidine‐ and…”
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4
Preparation and properties of poly(urethane-imide)s derived from amine-blocked-polyurethane prepolymer and pyromellitic dianhydride
Published in European polymer journal (01-03-2002)“…Poly(urethane-imide)s were prepared using amine-blocked-polyurethane (PU) prepolymer and pyromellitic dianhydride. The PU prepolymers were prepared by the…”
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5
Synthesis and swelling behaviour of hydrophobically modified responsive polymers in dilute aqueous solutions
Published in Polymer (Guilford) (12-12-2005)“…New series of associating polymers were synthesised in order to investigate opposite behaviours of hydrophobically modified water-soluble polymers and…”
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Mechanical and Thermal Properties of Networks Prepared from Reactive Poly(urethane-imide)s and Blocked Polyurethane Prepolymer
Published in Macromolecular chemistry and physics (01-03-2002)“…Reactive poly(urethane‐imide)s with varying functionality were prepared using 4,8‐diphenyl‐1,5‐diazabicyclo(3.3.0)octane‐2,3,6,7‐tetracarboxylic dianhydride,…”
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7
Synthesis and characterization of poly(urethane-co-imidine)s having pendent phenyl and benzylidene groups using bisphthalides, bislactones and blocked polyurethane prepolymers
Published in Polymer international (01-06-2001)“…Poly(urethane‐co‐imidine)s were prepared using amine blocked polyurethane (PU) prepolymer. The PU prepolymer was prepared by the reaction of poly(propylene…”
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8
Synthesis of poly(urethane-imide) using aromatic secondary amine-blocked polyurethane prepolymer
Published in Journal of polymer science. Part A, Polymer chemistry (15-11-2000)“…A set of poly(urethane‐imide)s were prepared using blocked Polyurethane (PU) prepolymer and pyromellitic dianhydride (PMDA). The PU prepolymer was prepared by…”
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9
Synthesis and characterization of novel poly(amide-imide)s containing 1,3-diamino mesitylene moieties
Published in Journal of polymer science. Part A, Polymer chemistry (01-01-2004)“…A series of poly(amide‐imide)s were prepared using a new monomer, 1,3‐bis(trimellitimido)‐2,4,6‐trimethyl benzene (BTB), with four different diamines:…”
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10
Catalysis of poly(urethane imidine) copolymer formation from amine-blocked isocyanate and bisphthalide
Published in Journal of polymer science. Part A, Polymer chemistry (15-12-2001)“…The catalysis of imidine formation between an amine‐blocked polyurethane prepolymer and bisphthalide was studied with a series of metal alkoxides, phenoxides,…”
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11
Synthesis and characterization of poly(urethane‐ co ‐imidine)s having pendent phenyl and benzylidene groups using bis phthalides, bis lactones and blocked polyurethane prepolymers
Published in Polymer international (01-06-2001)“…Poly(urethane‐ co ‐imidine)s were prepared using amine blocked polyurethane (PU) prepolymer. The PU prepolymer was prepared by the reaction of poly(propylene…”
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12
POLY(URETHANE-IMIDE)S FROM BLOCKED POLYURETHANE PREPOLYMER AND PYROMELLITIC DIANHYDRIDE: EFFECT OF ALKALI METAL ALKOXIDES AND PHENOXIDES AND SUBSTITUENTS ON THE BLOCKING AGENT IN THE POLYMERIZATION REACTION
Published in Journal of macromolecular science. Part A, Pure and applied chemistry (31-07-2001)“…Poly(urethane-imide)s were prepared using a series of N-methylaniline-blocked polyurethane (PU) prepolymers. The PU prepolymer was prepared using polypropylene…”
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