Determining the optimal PDMS – PDMS bonding technique for microfluidic devices

  • Eddings M
  • Johnson M
  • Gale B
  • 37

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Abstract

See, stats, and : https : // www . researchgate . net / publication / 252974094 NOTE : Determining bonding Article DOI : 10 . 1088 / 0960 - 1317 / 18 / 6 / 067001 CITATIONS 190 READS 2 , 330 3 , including : Bruce University 184 , 546 SEE All . The . All - text and , letting . Abstract A number of polydimethysiloxane (PDMS) bonding techniques have been reported in the literature over the last several years as the focus on multilayer PDMS microfluidic devices has increased . Oxygen plasma bonding , despite cost , additional fabrication time and inconsistent bonding results , has remained a widely used method for bonding PDMS layers . A comparative study of four rapid , inexpensive alternative PDMS – PDMS bonding approaches was undertaken to determine relative bond strength . These include corona discharge , partial curing , cross - linker variation and uncured PDMS adhesive . Partial curing and uncured PDMS adhesive demonstrated a considerable improvement in bond strength and consistency by retaining average bond strengths of over 600 kPa , which was more than double the average bond strength of oxygen plasma . A description of each technique and their performance relative to oxygen plasma bonding is included .

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Authors

  • Mark A Eddings

  • Michael A Johnson

  • Bruce K Gale

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