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Properties of acetoacetylated hydroxylated polyesters based polyurethane coatings

โœ Scribed by Ramanuj Narayan; K.V.S.N Raju


Book ID
114215124
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
208 KB
Volume
45
Category
Article
ISSN
0033-0655

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Hydroxyl terminated polyesters were prepared by a melt condensation technique using adipic acid and various diols. They were characterised by hydroxyl number, acid number and intrinsic viscosities in benzene. The polyesters were reacted with excess tolylene diisocyanate to yield isocyanate terminate