Resin Kerimid 601 laminating

The historically-firet condensation polyimides have recently been complanented by a second class of resins - addition-type polyimides. KINEL conqpounds and KERIMID 601 laminating resin are menbers of this new family of polyimides. Ch ically they eure designated polyaminobismaleimides (PABMs)  

Condensation polyimides are predicated on the reaction of an euromatic diamine with am aromatic diamhydride. The resultauit, tractable polyamic acid is converted during cure to the infusible, insoluble and Intractable polyimide with loss of water. 

Addition polyimides aure based on short, preimi-dized segments very similaur in nature to those of condensation polyimides. These segments aure capped by termini vdiich polymerize thermally without lose 

ACS Symposium Series American Chemical Society Washington, DC, 1974. 

The minor decrease in PABM part thermooxidative resistance, as compared to competitive polyimides, is very advantageously compensated for by the  

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BMI provides a continuous service temperature of 177°C in a moist environment. These are often used in high-temperature laminates and as adhesives in the electrical/ electronics industries. Major suppliers of bismaleimide resins are Rhone Poulenc Inc. Kerimid) and Technochemie GmbH, BTL Specialty Resins, Ciba-Giegy, and Mitsubishi Petrochemical Co. 

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