Use of Plasma Polymerization for Preparing Silicone‐Coated Membranes for Possible Use in Blood Oxygenators
- 1 February 1979
- journal article
- research article
- Published by Wiley in Artificial Organs
- Vol. 3 (1) , 92-96
- https://doi.org/10.1111/j.1525-1594.1979.tb03811.x
Abstract
The plasma polymerization of hexamethylcyclotrisiloxane (D3) and octamethylcyclotetrasiloxane (D4) over the microporous polypropylene membrane Celgard 2400, over polypropylene filter membranes and over glass slides was investigated. The rate of polymer deposition was dependent upon the location of the substrate materials in the reaction vessel. The increase in weight of all the substrates was linear with the time of reaction, indicating a uniform polymerization rate. The rate of polymer deposition over the polypropylene filters was 2.27 .mu.g/cm2 per min for D3 and D4, whereas over the glass slides it was 1.53 and 1.87 .mu.g/cm2 per min for D3 and D4, respectively. The coated Celgard membranes showed better blood compatibility than Silastic sheeting or glass.Keywords
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