HHPAHexahydrophthalic Anhydride
HHPAHardy Holzman Pfeiffer Associates (New York)
HHPAJuanita K. Hammons Hall for the Performing Arts (Missouri State University)
HHPAHealth, Human Performance and Athletics (Linfield College; Oregon)
References in periodicals archive ?
According to HHPA, "A welcoming and energetic spirit embraces visitors as soon as they enter into the main lobby.
A comparison of the hydrolytic velocity of the HHPA.
The two-phase precipitated formulations were prepared by first producing the epoxy-extended prepolymer, which was then mixed with the equivalent of approximately 80 phr HHPA and 1 phr BDMA.
DDSA (dodecenyl succinic anhydride) is offered for producing tougher, more flexible cured polymers; Succinic anhydride (SAA) is recommended for applications where a dibasic acid anhydride is desired; and HHPA (hexahydrophthalic anhydride) hardener is also recommended for curing epoxies.