𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Chain-extended polyurethanes—Synthesis and characterization

✍ Scribed by B. K. Kendagannaswamy; Siddaramaiah


Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
449 KB
Volume
84
Category
Article
ISSN
0021-8995

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Synthesis and characterization of segmen
✍ L. F. Wang; K. S. Su; E. C. Wang; J. S. Chen 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 457 KB 👁 1 views

A series of segmented polyurethanes (SPUs), based on hexamethylene diisocyanate (HDI) and polytetramethylene glycol (PTMG) as soft segments and then extended with alkylene di(4-hydroxybenzoate), HB as hard segments, were synthesized in this study. The effect of the number of methylene units in HB (f

Synthesis and characterization of side-c
✍ M. Brecl; T. Malavas˘ic˘ 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 488 KB 👁 2 views

A series of liquid crystal a-[bis(2-hydroxyethyl)amino]-v-(4-nitroazobenzene-4-oxy)alkanes (Cn-diol) with different alkyl chain length has been synthesized. All Cn-diols exhibit a smectic phase that has been identified by means of polarizing microscopy and differential scanning calorimetry. These co

Synthesis and properties of segmented po
✍ H. Rajan; P. Rajalingam; Ganga Radhakrishnan 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 335 KB 👁 1 views

Three series of novel polyurethane elastomers containing phenolphthalein as chain extenders were synthesized. The structure of the polyurethane was analyzed using IR and wide-angle X-ray diffraction studies. Tensile strength and percentage of elongation of all the series of polymers were studied. Th