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Characterization of castor oil–based interpenetrating polymer networks of PU/PS

✍ Scribed by Siddaramaiah; P. Mallu; R. Somashekar

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
264 KB
Volume
68
Category
Article
ISSN
0021-8995

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✦ Synopsis

A series of interpenetrating polymer networks (IPNs) of polyurethane/polystyrene (PU/PS; 90/10, 75/25, 60/40, and 50/50) have been synthesized by condensation reaction of castor oil with methylene diisocyanate and styrene, employing benzoyl peroxide as initiator. Polystyrene is extracted from IPNs by the Soxhlet extraction method. The IPNs of PU/PS before and after PS extraction were characterized for physical, optical, and X-ray diffraction properties.

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Sorption and diffusion of aldehydes and
Sorption and diffusion of aldehydes and ketones through castor oil-based interpenetrating polymer networks of PU–PS
✍ Siddaramaiah; P. Mallu 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 200 KB 👁 1 views

Sorption and diffusion of some aldehydes and ketones into interpenetrating polymer networks (IPNs) of polyurethane-polystyrene (PU-PS) have been investigated in the temperature interval of 25-60ЊC. Transport data were found to be affected by the nature of the interacting solvent molecule rather than