Polyimide Resin

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ABR Organics, Limited

India, Hyderabad M.Corp
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Description

As a result of the efforts of Indian Space Research Organization to develop a processible polyimide, a prepolymer having excellent processability, stability at room temperature and with moderate cure temperatures was developed. Composites made from this prepolymer have yielded components for space and aerospace applications. ABRON-R 750 is being manufactured by A B R ORGANICS LIMITED with the license from Indian Space Research Organization.

ABRON-R 750 is highly amenable for polar & filament winding technology also. The prepregs made from ABRON-R 750 have a long shelf life of 3 to 6 months at room temperature.

Silica/Glass/Carbon cloth is impregnated with the resin solution. The solvent is allowed to evaporate (at 55 - 60°C when DMF is used as an solvent). The prepreg should have resin content of 35 - 40 weight.

The tack & drape of the prepreg is controlled by adjusting the residual solvent content. The prepregs are stacked in mold and heated to 120°C and held for one hour under 60 psi pressure. The mold temperature is raised to 160 - 165 °C as a second step and maintained for another hour. Final cure is done by heating the mold to 200 - 220 °C for 2 hours under pressure. The laminate is released after cooling under pressure to 80 - 100 °C. Post curing is to be done at about 125 °C for 6 hours.

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Polyimide Resin