1990
DOI: 10.1016/0032-3861(90)90129-m
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Interpenetrating polymer networks from castor oil-based polyurethane and poly(ethyl methacrylate) XVII

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Cited by 40 publications
(13 citation statements)
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“…The surface hardness values of IPNs lie in the range 45–63 Shore D. There was no systematic variation in tensile strength with the composition of these PU/PAN systems and the values were in the range 4.1–6.4 MPa. The maximum tensile strength was observed for 70/30 PU/PAN 28. The increase in tensile properties at 30 wt% PAN content implies a higher degree of physical entanglement and hydrogen‐bond formation between the PU and PAN networks.…”
Section: Resultsmentioning
confidence: 98%
“…The surface hardness values of IPNs lie in the range 45–63 Shore D. There was no systematic variation in tensile strength with the composition of these PU/PAN systems and the values were in the range 4.1–6.4 MPa. The maximum tensile strength was observed for 70/30 PU/PAN 28. The increase in tensile properties at 30 wt% PAN content implies a higher degree of physical entanglement and hydrogen‐bond formation between the PU and PAN networks.…”
Section: Resultsmentioning
confidence: 98%
“…Las dimensiones de la muestra fueron de (40 x 6 x 3) mm 3 . Para cada muestra de tres a cinco replicas fueron evaluadas en las mismas condiciones.…”
Section: ) Resistencia a La Tracción Uniaxial Y Dureza Shore Aunclassified
“…Numerosos estudios se han realizado empleando el aceite de ricino como materia prima para la obtención de poliuretanos elastoméricos, debido a su estructura quí-mica y funcionalidad resultan polímeros entrecruzados cuyas propiedades están controladas por la densidad de entrecruzamiento [1][2][3][4][5] . Los poliuretanos obtenidos a partir del aceite presentan propiedades como bajo módulo de elasticidad, baja resistencia a la rasgada y baja resistencia a tratamientos con altas temperaturas.…”
Section: Introductionunclassified
“…The field of IPNs abounds in revealing new scientific experiences and is rife with discoveries of challenging phenomena in chemistry. IPNs, because of their unique applications, have been a topic of current interest in several papers, mostly concerning polyurethanes,1–3 epoxies,4 phenol formaldehyde resins,5 conventional vinyl polymers6, 7 and metal acrylate with vinyl monomers 8–11. However the use of a class of heterocyclic compounds with metal acrylates in the formation of IPN is still scarce.…”
Section: Introductionmentioning
confidence: 99%