کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10668138 | 1008340 | 2011 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Polymeric barrier coatings via initiated chemical vapor deposition
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Initiated chemical vapor deposition (iCVD) enables micron sized particles to be coated with conformal polymeric films. Unlike wet chemistries, particle agglomeration is mitigated due to the vapor phase deposition. A custom built iCVD with a rotary evaporator was used to coat a variety of particles with poly(glycidyl methacrylate) (PGMA). Glass beads with average diameters of 355 μm were coated with a ~ 1 μm PGMA film. Thermo gravimetric analysis (TGA) was used to assess if the beads were coated with PGMA and to estimate the PGMA thickness. The TGA testing showed a 0.7% mass loss at ~ 275 °C, which corresponds to the decomposition temperature of PGMA and a PGMA thickness of ~ 1 μm. In addition sodium chloride (~ 355 μm) particles were coated in the iCVD system again with PGMA. The dissolution rate of these particles in an aqueous solution was found to be reduced by an order of magnitude (versus uncoated NaCl). Finally, NaCl particles with metallic coatings were coated with PGMA and showed a dissolution rate two orders of magnitude slower than the bare NaCl.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Surface and Coatings Technology - Volume 206, Issue 7, 25 December 2011, Pages 1680-1683
Journal: Surface and Coatings Technology - Volume 206, Issue 7, 25 December 2011, Pages 1680-1683
نویسندگان
Thomas C. Parker, Daniel Baechle, John Derek Demaree,