scholarly journals Interpenetrating Polymer Networks Based on Modified Castor Oil Urethane and Poly(methyl methacrylate)

1998 ◽  
Vol 30 (10) ◽  
pp. 813-818 ◽  
Author(s):  
Vilas Athawale ◽  
Suresh Kolekar
Keyword(s):  
Methyl Methacrylate ◽  
Castor Oil ◽  
Polymer Networks ◽  
Interpenetrating Polymer Networks ◽  
Poly Methyl Methacrylate

Interpenetrating polymer networks of castor oil polyester and poly(methyl methacrylate)

1991 ◽  
Vol 43 (5) ◽  
pp. 993-999
Author(s):  
C. N. Murthy ◽  
M. J. Patni ◽  
D. D. Deshpande ◽  
A. P. Kudchadker ◽  
M. H. Mehta ◽  
...  
Keyword(s):  
Methyl Methacrylate ◽  
Castor Oil ◽  
Polymer Networks ◽  
Interpenetrating Polymer Networks ◽  
Poly Methyl Methacrylate

Room-temperature kinetics of formation of castor-oil-based polyurethane/poly(methyl methacrylate) interpenetrating polymer networks

1993 ◽  
Vol 5 (2) ◽  
pp. 155-160 ◽  
Author(s):  
Bhikhu Suthar ◽  
Kanak Jadav ◽  
Mayank Dave
Keyword(s):  
Infrared Spectroscopy ◽  
Methyl Methacrylate ◽  
Castor Oil ◽  
Room Temperature ◽  
Polymer Networks ◽  
Interpenetrating Polymer Networks ◽  
Poly Methyl Methacrylate ◽  
Kinetics Of Formation ◽  
The Individual ◽  
Kinetics Of

Infrared spectroscopy was used to follow the kinetics of formation of castor-oil-based polyurethane/poly(methyl methacrylate) interpenetrating polymer networks (PU/PMMA IPNs) at room temperature. The synthesis of the individual networks, PU, PMMA and IPNs was studied by measuring the decrease of characteristic absorption peaks of each system.

Preparation, Damping and Thermal Properties of Castor Oil-Based Polyurethane/Poly(Methyl Methacrylate-Butyl Methacrylate-Styrene) Grafted Interpenetrating Polymer Networks

2015 ◽  
Vol 1096 ◽  
pp. 455-464
Author(s):  
Zhou Fang ◽  
Qing Zhi Dong
Keyword(s):  
Methyl Methacrylate ◽  
Castor Oil ◽  
Polymer Networks ◽  
Weight Ratio ◽  
Mechanical Tests ◽  
Interpenetrating Polymer Networks ◽  
Butyl Methacrylate ◽  
Structural Damping ◽  
Poly Methyl Methacrylate ◽  
Damping Materials

A series of castor oil-based polyurethane (PU)/poly (methyl methacrylate-butyl methacrylate-styrene) (PA) grafted interpenetrating polymer networks (IPNs) were prepared. The effect of composition of the IPNs on the damping, thermal and mechanical properties were studied systematically. PU/PA (60:40, weight ratio) IPNs with methyl methacrylate/butyl methacrylate/styrene (MMA/BMA/St = 80/10/10, weight ratio). In the paper castor oil (CO) was used as PU’s branch units, the damping properties affected by the branch units ratio (ρ) were studied. Mechanical tests showed the tensile strength of the IPNs was improved after increasing the ρ value and PA content. The thermal stability was improved by incorporating heterocyclic imide rings into the PU molecular chains using isocyanate reacting with pyromellitic dianhydride (PMDA). It was found that the IPN composition with ρ value = 0.2 and PU/PA = 60:40 would be useful as structural damping materials, having tanδ values higher than 0.3 for a temperature range of 102°C (5.0-106.9°C).

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