ACCU DYNE TEST ™ Bibliography
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387. Winters, H.F., R.P.H. Chang, C.J. Mogab, J. Evans, J.A. Thornton, and H. Yasuda, “Coatings and surface modification using low pressure non-equilibrium plasmas,” Materials Science and Engineering, 70, 53-77, (1985).
858. Wolf, B.A., “Interfacial tension between polymer-containing liquids - predictability and influences of additives,” in Macromolecular Symposia 139: Macromolecules at Interfaces, Kahovec, J., ed., 87-92, Wiley-VCH, Aug 1999.
The first part of the contribution deals with the interfacial tension, σ, of phase‐separated polymer solutions in single or mixed solvents and of binary polymer blends as a function of the relative distance to the critical temperature of the system, special attention being paid to the possibilities of theoretical prediction. Two methods are discussed in more detail. One is based on a realistic description of the Gibbs energy of mixing as a function of composition, the second correlates σ with the length of the measured tie line. The second part is devoted to another aspect, namely the effects of additives on the interfacial tension between the coexisting phases of demixed polymer solutions and between highly incompatible polymers. In the former case, it is demonstrated that an addition of a thermodynamically good solvent is normally associated with a reduction in σ; however, adding a high‐molecular‐weight compound which is incompatible with the dissolved polymer leads to an increase in σ. The interfacial tension between incompatible homopolymers is efficiently reduced by block copolymers consisting of monomeric units which are either identical with or different from those of the homopolymers; in contrast to theoretical expectation, the molecular architecture of the additives seems to be of minor importance only. Random copolymers which are insoluble in the homopolymers can also efficiently reduce the interfacial tension.
388. Wolf, R.A., “Corona treating & the printing process,” Flexo, 26, 58-59, (Jun 2001).
696. Wolf, R.A., “Atmospheric plasma: The new functional treatment for nonwovens,” in 2002 PLACE Conference Proceedings, TAPPI Press, Sep 2002.
923. Wolf, R.A., “Pouch material surface treatment,” Presented at TAPPI Stand-up Pouch Making Workshop, Jun 2017.
1157. Wolf, R.A., “Surface treating substrates: Atmospheric plasma technology benefits flexible packaging print adhesion,” Flexo, 30, 26-27, (Oct 2005).
1164. Wolf, R.A., “Atmospheric plasma: a new surface treatment technology for promoting flexographic printing adhesions',” in 2005 FFTA Forum, Flexographic Technical Association, Mar 2005.
1328. Wolf, R.A., “Corona treatment: a process overview,” http://www.idspackaging.com/Common/Paper/Paper_177, 0.
1388. Wolf, R.A., “Atmospheric plasma - The new functional treatment for extrusion coating and lamination processes,” http://www.idspackaging.com/Common/Paper/Paper_173, 0.
1415. Wolf, R.A., “Unique atmospheric plasma surface pre-treatment approach for improving adhesion,” Plastics Decorating, 13-17, (Oct 2006).
1494. Wolf, R.A., “Comparison of flame vs. plasma treatment,” http://www.vacuumcoatingblog.co.uk, Aug 2006.
1501. Wolf, R.A., “New approach to surface treatment,” Converting, 24, 34-37, (Dec 2006).
1503. Wolf, R.A., “New atmospheric plasma and photografting approach for permanent surface tension and coating adhesion,” in AIMCAL 2006 Fall Technical Conference, AIMCAL, Oct 2006.
1542. Wolf, R.A., “Surface activation systems for optimizing adhesion to polymers,” in SPE Decorating and Assembly Div. Topcon, Society of Plastics Engineers, Jun 2004 (also in 2005 PLACE Conference Proceedings, TAPPI Press, 2005, and Plastics Decorating, p. 7-10, Apr 2009).
Many experiments have been performed globally to investigate ways of improving adhesion to polymers. This paper discusses current atmospheric surface activation systems, appropriate measurements of wettability and adhesion, over-treatment effects and surface analysis techniques relative to optimizing the adhesion of inks, paints, coatings and adhesives to polymer surfaces. Recommendations for improved activation by substrate and application are discussed.
1557. Wolf, R.A., “Advances in adhesion with CO2-based atmospheric plasma surface modification,” in ANTEC 2007, Society of Plastics Engineers, May 2007.
The use of gas and/or liquid-phase carbon dioxide (CO2) with atmospheric plasma discharge surface pretreatment technology can remove micron and submicron particulates and hydrocarbon-based contaminations on plastics and metals. The cleaning process is based upon the expansion of either liquid or gaseous carbon dioxide through an orifice. The paper provides an understanding of the basic removal mechanism and provides experimental evidence of remarkable adhesion improvements relative to a broad range of applications in electrical, medical, and automotive manufacturing communities.
1619. Wolf, R.A., “Response to question on corona treatment of metallized CPP film,” http://www.webcoatingblog.com, Oct 2007.
1624. Wolf, R.A., “Response to question on modes of measuring or characterizing plasma treatment efficiency on Kapton,” http://www.webcoatingblog.com, Sep 2007.
1771. Wolf, R.A., “How to determine optimal treatment levels for plastic films,” Flexo, 34, 34-36, (Jan 2009).
2168. Wolf, R.A., “Surface treating for solar-cell converting,” Converting, 27, 30-31, (Jan 2010).
2189. Wolf, R.A., “Plasma power,” http://pffc-online.com/surface_prep/corona_flame_plasma/paper-plasma-power-0509, May 2009.
2195. Wolf, R.A., “Atmospheric plasma,” Paper Film & Foil Converter, 77, 44+, (Feb 2003).
2207. Wolf, R.A., “Effect of the electrical conductivities of corona discharge ground rolls on surface treatment,” in 2016 PLACE Conference Proceedings, TAPPI Press, 2016.
2211. Wolf, R.A., “Comparison of atmospheric plasma and corona treatments in promoting seal strength,” Converting Quarterly, 6, 72-78, (Aug 2018).
2213. Wolf, R.A., Plastic Surface Modification: Surface Treatment and Adhesion, Hanser Publications, Feb 2010.
2214. Wolf, R.A., “Substrate secrets: New printing adhesion improvements using Atmospheric Plasma Glow Discharge technology,” in 2005 PLACE Conference Proceedings, 667-670, TAPPI Press, Sep 2005.
2229. Wolf, R.A., “Novel atmospheric-plasma process for roll-to-roll processing of solar cells,” Converting Quarterly, 1, 34-37, (Feb 2011).
2295. Wolf, R.A., “How do you get inks, coatings and adhesives to stick to polymers?,” http://plasticsdecorationgblog.com/?p=116, Oct 2011.
2341. Wolf, R.A., “UV flexo ink composition and surface treatment effects on adhesion to flexible packaging,” Presented at 13th TAPPI European PLACE Conference, 2011.
2434. Wolf, R.A., “Game-changing surface pre-treatment technology,” Converting Quarterly, 2, 46-50, (Feb 2012).
2439. Wolf, R.A., “Testing surface treatment IQ,” Flexo, 37, 40-47, (May 2012).
2445. Wolf, R.A., “Adhesion techniques for high performance materials and composites,” http://plasticsdecoratingblog.com/?p=317, Jul 2012.
2446. Wolf, R.A., “The Rx factor - medical plastics and adhesion,” http://plasticsdecoratingblog.com/?p=277, Mar 2012.
2447. Wolf, R.A., “Rx factor - automotive plastics and adhesion,” http://plasticsdecoratingblog.com/?p=296, May 2012.
2448. Wolf, R.A., “How do you modify a surface with plasma?,” http://plasticsdecoratingblog.com/?p=45, Aug 2011.
2459. Wolf, R.A., “How do you modify a surface with plasma? (Best of the Plastics Decorating blog),” Plastics Decorating, 35, (Jan 2013).
2462. Wolf, R.A., “Graphics adhesion advice for IML & shrink-sleeve films,” Converting Quarterly, 2, 48-51, (Oct 2012).
2487. Wolf, R.A., Atmospheric Pressure Plasma for Surface Modification, Scrivener, 2013.
2570. Wolf, R.A., “Advances in adhesion with CO2-based atmospheric pressure plasma surface modification,” in ANTEC Conference Proceedings, SPE, 2007 (also in 2008 PLACE Conference Proceedings, TAPPI Press, p. 834-838, Sep 2008).
The use of gas and/or liquid-phase carbon dioxide (CO2) with atmospheric plasma discharge surface pretreatment technology can remove micron and submicron particulates and hydrocarbon-based contaminations on plastics and metals. The cleaning process is based upon the expansion of either liquid or gaseous carbon dioxide through an orifice. The paper provides an understanding of the basic removal mechanism and provides experimental evidence of remarkable adhesion improvements relative to a broad range of applications in electrical, medical, and automotive manufacturing communities.
2608. Wolf, R.A., “Polyolefin-film surface preparation leveraging atmospheric plasma,” Converting Quarterly, 5, 67-71, (Jan 2015).
2745. Wolf, R.A., “Troubleshooting corona treatment issues,” in 2006 PLACE Conference Proceedings, 387-388, TAPPI Press, Sep 2006.
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