The Polymerization of Benzene in a Radiofrequency Discharge

Neiswender, D. D.

doi:10.1021/ba-1969-0080.ch029

Cited by 51 publications

(16 citation statements)

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“…Upon exposure to the atmosphere, these trapped radicals react with oxygen and infrared measurements (42,67) demonstrate that carbonyl and hydroxyl groups are formed in the polymer. Denaro (16) has shown by titration of plasma-polymerized styrene with DPPH that one in twenty polymer molecules is a radical.…”

Section: Shen and Bellmentioning

confidence: 99%

A Review of Recent Advances in Plasma Polymerization

Shen

Bell

1979

ACS Symposium Series

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Section: Shen and Bellmentioning

confidence: 99%

A Review of Recent Advances in Plasma Polymerization

Shen

Bell

1979

ACS Symposium Series

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“…Neiswender, too, proposed the intermediate formation of acetylene, and he also found an abundance of radicals in his deposits 9. He was first to propose an energy‐related dose factor, in order to better comparing different plasma conditions.…”

Section: Introductionmentioning

confidence: 99%

“…Such irregular structures are also produced through constant bombardment of the growing layer by energetic plasma particles and UV photons 21, 22. Neiswender,9 Dinan,23 Suhr/Rosskamp,24, 25 and Friedrich et al26 also largely attributed plasma polymerization to a random poly‐recombination of radicals, but additionally and speculatively to the sticking of C 2 species, thus forming multiples (C 4 , C 6 , C 8 ) such as acetylene, cyclobutadiene, diacetylene, phenylacetylene, 2 + 2 adduct of cyclobutadiene, octatetraene and styrene, as well as plasma polymers (Figure 1).…”

Section: Introductionmentioning

confidence: 99%

“…Neiswender,9 Bradley,39 Westwood,11 Yasuda,10, 20 and Friedrich20 found that the structures of plasma polymers are more regular and better‐defined in the sense of conventional polymers, when the power input to the plasma is lower (per monomer molecule = W / MF ). On the other hand, low input of power resulted in the inclusion of monomer‐ and oligomer molecules into the plasma polymer's structure 17, 40.…”

Section: Introductionmentioning

confidence: 99%

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Mechanisms of Plasma Polymerization – Reviewed from a Chemical Point of View

Friedrich

2011

Plasma Processes & Polymers

369

336

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Several reaction mechanisms have been proposed for the formation of plasma polymers, such as monomer fragmentation followed by poly‐recombination into randomly structured and crosslinked films; fragmentation, accompanied by the formation of acetylene or other film‐forming intermediates and deposition of polystyrene‐like material; plasma‐initiation of a radical chain‐growth polymerization; and ion‐molecule reactions, as well as ionic chain‐growth polymerization. The bulk structure of plasma polymers is completely irregular, far from that of conventional polymers. The retention of functional groups during plasma polymerization tends to be greater than that of the entire monomer structure found again as an intact repeat unit in the resulting plasma polymer. An alternative method for depositing ultra‐thin, pin‐hole free coatings, ones that possess regular structures, is by electrospray ionization (ESI) of pre‐fabricated polymers.

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“…[lo] angegebene Beziehung fiir die Wachstumsrate wie folgt schreiben : mol-l,e = 1,l g~m -~ [9], y = wi =-. Mi y .L, i.…”

Section: Introductionunclassified

Untersuchungen an polymerisierenden Plasmen der Benzol‐Edelgas‐Glimmentladung. Teil III Experimentelle und theoretische Untersuchungen zum Wachstum von Polymerschichten bei kleinen Benzolzumischungen (10–2%)

Deutsch

Görss

Sabadil

1976

Contrib Plasma Phys

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Eingcgnngeii nm 24. Olitober 1975 InhsltsubersichtIrn ersten Teil der vorliegenden Arbeit wird iiber Messungen der Wachsturnsrate von Polymerschichten auf der Entlndlillgsrohrwand im Bereich der positiven Siiule in Neon @ = 1,ti Torr,Die diirchgefiihrten Berechnungcn der \V;Lchsturnsraten u s den Plasrnapwirneterii gehen von der Annahme atis, daR die Schichtbildrlng mnRgeblich durch den radialen urnbipolaren Diffusionsst,rorn tler Elektronen iind Ionen zur Rohrwand bestirnrnt wird. Entsprechend dieser Vorstellung erfolgt eine Modifizierung der Grundgleichungen, die in der Literatur bereits fur die Elektronenstmhlpolyrnerisntion bzw. fiir die Polyrneriskltion auf den Elektroden von Gasentladungen hergeleitet. wurden.Es zeigt sich, dnO dio lonerikornponente urn etwa den Faktor 8 wirksarnei ist nls die Elektronenkomponente. Diese Tatsiiclie erkliirt auch die Beobachtung, daR irn Ar-C,H,-Gernisch bei vergleichbaren Strorn-und Drnckbedingungen das Schichtwachstum merklich kleiner als im Ne-C,H,-Gemisch ist.

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The Polymerization of Benzene in a Radiofrequency Discharge

Cited by 51 publications

References 0 publications

A Review of Recent Advances in Plasma Polymerization

A Review of Recent Advances in Plasma Polymerization

Mechanisms of Plasma Polymerization – Reviewed from a Chemical Point of View

Untersuchungen an polymerisierenden Plasmen der Benzol‐Edelgas‐Glimmentladung. Teil III Experimentelle und theoretische Untersuchungen zum Wachstum von Polymerschichten bei kleinen Benzolzumischungen (10–2%)

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