... are considerably different from that of an iodine-fluorocarbon bond and abstraction of the iodine from the terminated polymer ... Thus, the redox process gives rise to an equilibrium between dormant (polymer-halide) and active (polymer-radical) chains. The ... that creates a propagating chain or polymer radical. This polymer chain then adds to the C=S and leads to the formation of a ... When a growing polymer chain reacts with the addition fragmentation agent the radical end-group attacks the vinyl bond and ...

... except for the distinctive properties of fluorocarbons. The introduction of an ether function to a perfluoro-polymer chain also ... In these materials, the ether groups are pendant from the polymer backbone. Krytox is a grease generated by the polymerization ... It also confers on the polymer a translucent appearance. Acyclic perfluoroethers are analogues of diethylether, e.g. O(C2F5)2, ... The ether groups are integral to the polymer chain. Nafion is a perfluorinated polyether with pendant sulfonic acid groups ( ...

"Awards in Polymers". The Polymer Society. Retrieved 2011-03-28. "Plastics Academy Hall of Fame-Bill Gore Hall of Fame Entry". ... He held patents in the fields of plastics, fluorocarbons, and electronics. He was also an active outdoorsman. Born in Meridian ... In 1985, Bill Gore received the Prince Philip Award for Polymers in the Service of Mankind, which honored Gore's Medical ... The award is given in recognition of polymers that have provided a significant service for mankind. He was inducted ...

While fluorocarbons with single bonds are stable, unsaturated fluorocarbons are more reactive, especially those with triple ... The bifunctional monomer 4,4'-difluorobenzophenone is a precursor to PEEK-class polymers. In contrast to the many naturally- ... Perfluorinated compounds are fluorocarbon derivatives, as they are closely structurally related to fluorocarbons. However, they ... Because of the strength of the carbon-fluorine bond, many synthetic fluorocarbons and fluorocarbon-based compounds are ...

AEM based on an aromatic polymer backbone is promising due to its significant cost reduction. Compare to Nafion membrane use in ... PEM, the production of Nafion required highly toxic chemicals, which increased the cost (>1000$/m2) and fluorocarbon gas is ... The quaternary ammonium (QA) headgroup is commonly employed to attach polymer matrices in AEM. The head group allows anions but ... Fluorinated raw materials are inessential for AEM, allowing for a wider selection of low-cost polymer chemistry. AEM ...

His work focused primarily on the physical and chemical properties of fluorocarbons and chlorofluorocarbons, and the synthesis ... Miller carried out research into chemically resistant materials from which he developed the chlorofluorocarbon polymer used in ... Miller and his team succeeded in developing several novel non-reactive chlorofluorocarbon polymers, making possible the ...

They are polymers that typically have a silicon-oxygen backbone with methyl ligands. The fairly inert methyl groups are not ... Another problem is that Teflon begins to break down at around 350 °C and can give off poisonous fluorocarbon gasses. The final ... The polymer is a polyethylene chain with fluorine atoms replacing the hydrogen atoms. The strength of the carbon-fluorine bonds ... Polytetrafluoroethylene (commonly called by its DuPont brand name, Teflon) is a polymer that is used as a coating for non-stick ...

To help solve the corrosion problem strings are either metal plated or polymer coated. The polymer coating is claimed to reduce ... These strings are usually traded under descriptions like fluorocarbon, carbon fiber, or carbon, which is scientifically ... Other polymers, including polyetheretherketone and polybutylene terephthalate, have also been used. Silk was extensively used ... Ethylene tetrafluorothylene (ETFE) is another polymer that is sometimes used to coat strings. It is abrasion and cut resistant ...

The production of modified silicone polymer named "Kaneka MS polymer" started in Kanepearl, now Kaneka Ken. In 1980, the ... In the same year, the company developed word's first non-fluorocarbon, non-halogen foaming agent type Kanelite Foam, the Type 3 ... In 2011, the company developed the first completely bio-based polymer with soft and heat-resistant properties, as well as a new ... the company industrialized world's first telechelic polymer. In the same year, they developed a new injection molding resin by ...

A fluoroelastomer is a fluorocarbon-based synthetic rubber. Fluoroelastomers generally have wide chemical resistance. Several ... The performance of fluoroelastomers in aggressive chemicals depends on the nature of the base polymer and the compounding ... This performance can vary significantly when end-users purchase polymer-containing rubber goods from different sources. ...

Baeurle SA, Hotta A, Gusev AA (2006). "On the glassy state of multiphase and pure polymer materials". Polymer. 47 (17): 6243- ... PTFE is hydrophobic: aqueous liquids do not wet the material, as fluorocarbons demonstrate mitigated London dispersion forces ... The polymer has one of the lowest coefficients of friction of any solid and is therefore commonly used for bearings and support ... doi:10.1016/j.polymer.2006.05.076.{{cite journal}}: CS1 maint: multiple names: authors list (link) A. V. Shenoy and D. R. Saini ...

The copolymer Poly(vinylidene fluoride-co-hexafluoropropylene) or PVDF-HFP is used as a co-polymer in the blades of artificial ... PVDF is used for specialty monofilament fishing lines, sold as fluorocarbon replacements for nylon monofilament. The surface is ... Ferroelectric polymers Klaiber's law Ferroelectricity Pyroelectricity "poly(vinylene fluoride) (CHEBI:53250)". Retrieved 14 ... When poled, PVDF is a ferroelectric polymer, exhibiting efficient piezoelectric and pyroelectric properties. These ...

It has been argued that fluorotelomer-based polymers already produced might be major sources of PFOA globally for decades to ... The head group can be described as hydrophilic while the fluorocarbon tail is both hydrophobic and lipophobic. PFOA is one of ... In fact, the main products of the fluorotelomer industry, fluorotelomer-based polymers, have been shown to degrade to form PFOA ... In PTFE processing, PFOA is in aqueous solution and forms micelles that contain tetrafluoroethylene and the growing polymer. ...

Fluorocarbon chain tails consist of a carbon backbone that has fluorine substituents instead of hydrogens. Fluorocarbons help ... Journal of Polymer Science: Polymer Letters Edition. 19 (10): 519. Bibcode:1981JPoSL..19..519W. doi:10.1002/pol.1981.130191009 ... The size of the droplets of dispersed polymer in a latex paint can be modeled with the following equation: R = 3 L s ϕ d ϕ s {\ ... When fluorocarbons are incorporated into surfactants they are used as stain repellents and incorporated into coatings in order ...

Consultant for Polymer Products, Springfield Massachusetts Division, 1984-1986 Union Camp Corporation, Consultant for Terpene ... Consultant for Fluorocarbon Products, Minneapolis Minnesota Division, 1998-1999 Rhodia (Rhône-Poulenc) Corporation, Consultant ...

The lower temperatures also allow for the deposition of organic coatings, such as plasma polymers, that have been used for ... Gleason, Karen K.; Kenneth K.S. Lau; Jeffrey A. Caulfield (2000). "Structure and Morphology of Fluorocarbon Films Grown by Hot ... Plasma Processes and Polymers. 5 (8): 759. doi:10.1002/ppap.200800074. Schropp, R.E.I.; B. Stannowski; A.M. Brockhoff; P.A.T.T ... "Designing polymer surfaces via vapor deposition". Materials Today. 13 (5): 26-33. doi:10.1016/S1369-7021(10)70081-X. hdl:1721.1 ...

The solution was based on the work of Enrico Traverso at Enichem SpA, who had developed a fluorocarbon powder with a melting ... Giesbrecht, Jan Lukas (2010). Polymers on snow: Towards skiing faster (PDF) (Doctoral). Swiss Federal Institute of Technology. ... High-performance "fluorocarbon" waxes also contain fluorine, which substitutes some fraction of the hydrogen atoms in the ... Hertel also developed the first fluorocarbon product and the first spring-time wax that repels and makes the running surface ...

Fluorocarbon lines or "fluoro lines" are valued for their similar refractive index to that of water, making it less visible to ... Monofilament is made by melting and mixing polymers and then extruding the mixture through tiny holes, forming strands of line ... Fluorocarbon lines have greater surface hardness than nylon lines and are more abrasion-resistant against underwater rocks and ... They are stronger than fluorocarbon lines per diameter but also less rigid, which makes them more shock-resilient and knot- ...

In 2016, Kiplinger reported the synthesis of an infinite thorium diazide coordination polymer; the first such polymer involving ... Over the course of her career, she has done extensive work with fluorocarbons and actinides. She is currently a Fellow of the ... C5Me5)2Th(N3)2 utilizes pentamethylcyclopentadiene to form polymers with two bridging azide groups, while (C5Me4Et)2Th(μ-η1:η1- ... By making alterations on the classic cyclopentadiene groups, different coordination polymers can be formed. ( ...

The polymer was polytetrafluoroethylene (PTFE) commercialized by DuPont as Teflon in 1945. Because DuPont was basic in a ... One of the early studies focused on the non-rigidity of SF4, a reagent relevant to the preparation of fluorocarbons. Subsequent ... DuPont continued in polymer research. Biological research has increased significantly. Until recent years, a substantial ... and incorporation in new types of polymers. No commercial applications resulted from this extensive research effort. Partly for ...

... famous for discovering one of the first practical ways to mass-produce fluorocarbons Vaclav Smil, professor, author, scientist ... distinguished member of the organic and polymer chemistry communities Paul J. Weitz, astronaut, Skylab 2, STS-6 Mary Louisa ...

These include battery components, polymer composites, to improve the mechanical, thermal and electrical properties of the bulk ... US 10000382, Zaderko A, Vasyl UA, "Method for carbon materials surface modification by the fluorocarbons and derivatives", ... CNT-filled polymer nanocomposites with 4 wt% and 6 wt% loadings are the most optimal concentrations, as they provide a good ... carbon nanotubes tend to agglomerate hindering their dispersion in solvents or viscous polymer melts. The resulting nanotube ...

Polymer-air composites are elastically soft due to their high air content as well as due to the size and shape of the polymer ... "Ferroelectrets with improved thermal stability made from fused fluorocarbon layers". Journal of Applied Physics. 101 (5): ... the effect occurs in a way different from the respective effect in ferroelectric polymers. In ferroelectric polymers, a stress ... In the new polymer systems, the required cavities are formed by means of e.g. stamps, templates, laser cutting, etc. Thermo- ...

The additives and Filters are combined with a Fluorocarbons resin. Fluorocarbon resin is an oleophobic material. Oleophobic ... Polymer Engineering & Science. 51 (11): 2282-2294. doi:10.1002/pen.22003. ISSN 0032-3888. Archard, J. F. (1953-08-01). "Contact ... organic polymer-based) binders epoxy polycarbonate polyethylene Scratch-resistant coatings use special Scratch-resistant ...

Chitosan is a polymer obtained from chitin in arthropod shells, and has been used for its antibacterial properties for a while ... Fluorocarbons and especially perfluorocarbons are excellent substrate materials for the creation of superhydrophobic surfaces ... Assembly thickness and polymer-peptide interactions can affect the diffusion of peptide to bacterial contact. Further research ... In alternative, it is possible to functionalize a surface by adsorbing a polymer or polypeptide and/or by changing its micro ...

Fluorosurfactants have fluorocarbon chains. Siloxane surfactants have siloxane chains. Many important surfactants include a ... Surfactants are used in firefighting and pipelines (liquid drag reducing agents). Alkali surfactant polymers are used to ... Hydrocarbon groups are usually lipophilic, for use in soaps and detergents, while fluorocarbon groups are lipophobic, for use ...

Inkjet printing requires coating paper in a hydrophobic polymer, and then selectively placing an ink that etches the polymer to ... In this technique, paper is first rendered hydrophobic using a hydrophobizing agent such as AKD or fluorocarbon plasma ... This technique utilizes a DLP printing technique in which photo-curable resin polymers are exposed to lights to form ... Photolithographic techniques are similar to inkjet printing, using a photomask to selectively etch a photoresist polymer. This ...

As with fluorocarbons, chlorofluorocarbons and bromofluorocarbons are not flammable: they do not have carbon-hydrogen bonds to ... A vast number of small molecules exist with varying amounts of fluorine substitution, as well as many polymers-research into ... Nafion is a structurally complicated polymer. It has a PTFE-like backbone, but also contains side chains of perfluoro ether ... Fluoropolymers are similar in many regards with smaller molecules; adding fluorine to a polymer affects the properties in the ...

... widely regarded as a pioneer of polymer chemistry. Co-invented a polymer with antioxidants that prevented deterioration even in ... discoverer of fluorocarbons, used in gaseous diffusion of Uranium for Manhattan project Jens Christian Skou (1918-2018), 1997 ... polymer solutions and phase transitions François Auguste Victor Grignard (1871-1935), 1912 Nobel Prize in Chemistry corecipient ... "polymer" in 1833 Johannes Martin Bijvoet (1892-1980), Dutch chemist and crystallographer Leonora Bilger (1893-1975), American ...

Polymers such as photoresist consist of long chains of molecules which do not form a crystallographic structure in the classic ... "Forouhi-Bloomer and Tauc-Lorentz Optical Dispersions Applied Using Spectroscopic Ellipsometry to Plasma-Deposited Fluorocarbon ... The formalism for crystalline materials was found to also apply to polymers, which consist of long chains of molecules that do ... Zhu, D.; Shen, W.; Ye, H.; Liu, X.; Zhen, H. (2008). "Determination of the Optical Constants of Polymer Light-Emitting Diode ...