Organic hydrogen getters

1,4-Diphenylbutadiyne as a potential tritium getter

“…The first organic getter was studied at Sandia, Albuquerque. [8][9][10] The getter was intended for hydrogen in atmospheres not containing oxygen. The researchers selected DPPE (dimerized phenylpropargyl ether), CjgHi^ 2,4-hexadiyne; 1,6-diol, 1,6-diphenyl-which possesses two carbon-carbon triple bonds.…”

“…There was some evidence of reaction in air, how ever no catalyst blank was run for comparison. 8 The compound reacted incompletely with pure tritium then outgassed due to possible radiation damage.10…”

Intermetallic alloys as hydrogen getters

“…Dihydrogen handling can be done by using various materials able to trap the gas safely in solid state. In the 70s, Sandia National Laboratories developed organic scavengers based on 1,6diphenoxy-2,4-hexadiyne (DPPE) [1], 1,4-bis(phenyl ethynyl)benzene (DEB) [2,3] and 1,4diphenylbutadiyne (DPB) [4,5], all reacting with hydrogen gas [6]. The hydrogenation of the carbon-carbon double or triple bonds of these materials requires the intervention of catalysts such as platinum and palladium and different supports such as graphite, aluminum oxide or barium carbonate, which can represent up to 25% by mass of the scavenger.…”

Silanized Graphene Oxide-Supported Pd Nanoparticles and Silicone Rubber for Enhanced Hydrogen Elimination

“…Moreover, if hydrogen is not eliminated, it will also cause hazards such as hydrogen corrosion, degradation of electronic components, and embrittlement of materials [2]. In some specific environments, the concentration of hydrogen needs to be maintained below a few percent to ensure safety [3]. Avoiding the accumulation of hydrogen in confined spaces has become a worthy research direction, while most hydrogen storage devices cannot absorb hydrogen independently [1].…”

“…GO has the advantages of low density, high specific surface area, multiple reactive sites, and good chemical stability [8,9]. GO introduced into SR as a filler can endow the composite with better mechanical, electrical, thermal, and electromagnetic properties [3,4]. However, GO directly added to silicone rubber will also have poor compatibility [5].…”