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unusual facts about polymers



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Calender

Calenders can also be applied to materials other than paper when a smooth, flat surface is desirable, such as cotton, linens, silks, and various man-made fabrics and polymers such as vinyl and ABS polymer sheets, and to a lesser extent HDPE, polypropylene and polystyrene.

Creep and shrinkage of concrete

Unlike the creep of polymers and metals, it exhibits multi-months aging, caused by chemical hardening due to hydration which stiffens the microstructure, and multi-year aging, caused by long-term relaxation of self-equilibrated micro-stresses in the nano-porous microstructure of the C-S-H.

Edward Bormashenko

Edward Bormashenko is a professor of physics and materials science and the Head of the Laboratory of Polymers in Ariel University in Israel.

Izon Science

:* Particle-based drug delivery systems (e.g. liposomes, nano- and micro- bubbles, polymers, "Smart" drug delivery particles, etc)

Kizhakeyil Lukose Sebastian

His research topics include path integral representation of Fractional Brownian motion, ring closing opening dynamics in polymers, first passage time calculation in phase space, energy transfer between molecule and graphene, quantum coherence etc.

Linear dichroism

The predominant use of LD currently is in the study of bio-macromolecules (e.g. DNA) as well as synthetic polymers.

Macromolecular complex

Biomolecular complex, a complex of biological polymers (protein, RNA, DNA, or a combination of them).

MBA Polymers

In 2004 MBA Polymers created a joint venture with Guangzhou Iron and Steel Enterprises Holdings Ltd to establish its sustainable recycling operations in China.

Microbial biodegradation

Aspergillus and other moulds play an important role in these consortia because they are adept at recycling starches, hemicelluloses, celluloses, pectins and other sugar polymers.

Muhammad Yar Khuhawar

His research group has synthesized a number of Schiff base polymers and have developed new stationary phase for Gas Chromatography and sensitive Liquid Chromatography procedures for the determination of pesticide malathion.

Nylon 6

It can also be used in gun frames, such as those used by Glock, which are made with a composite of Nylon 6 and other polymers.

OMNOVA Solutions

OMNOVA Solutions Inc., is a producer of emulsion polymers and specialty chemicals, founded in 1999 when GenCorp spun off its Decorative & Building Products and Performance Chemicals businesses into a separate, publicly traded company.

Organic field-effect transistor

OFETs employing many aromatic and conjugated materials as the active semiconducting layer have been reported, including small molecules such as rubrene, tetracene, pentacene, diindenoperylene, perylenediimides, tetracyanoquinodimethane (TCNQ), and polymers such as polythiophenes (especially poly(3-hexylthiophene) (P3HT)), polyfluorene, polydiacetylene, poly(2,5-thienylene vinylene), poly(p-phenylene vinylene) (PPV).

Patterson Springs, North Carolina

Ticona, a German-based maker of polymers, operates a large facility in Patterson Springs, and is the town's major employer.

Polymer characterization

The Small-angle scattering like Small-angle X-ray scattering (SAXS) can be used to measure the long periods of semicrystalline polymers.

Transmission Electron Microscopy in combination with staining techniques, but also Scanning Electron Microscopy, Scanning probe microscopy are important tools to optimize the morphology of materials like polybutadiene-polystyrene polymers and many polymer blends.

Polymeric surface

Corona treatment is a surface modification method using a low temperature corona discharge to increase the surface energy of a material, often polymers and natural fibers.

Polythiophene

The maturation of the field of conducting polymers was confirmed by the awarding of the 2000 Nobel Prize in Chemistry to Alan J. Heeger, Alan MacDiarmid, and Hideki Shirakawa "for the discovery and development of conductive polymers".

Radical polymerization

Free radical polymerization is a key synthesis route for obtaining a wide variety of different polymers and material composites.

Rudolf Podgornik

His field of research is the physics of soft matter, the physics of coulomb fluids and macromolecular interactions, the Lifshitz theory of dispersion interaction, the physics of membranes, polymers and polyelectrolytes and especially the physics of DNA and viruses.

Solid

Polymers which have been around, and which are in current widespread use, include carbon-based polyethylene, polypropylene, polyvinyl chloride, polystyrene, nylons, polyesters, acrylics, polyurethane, and polycarbonates, and silicon-based silicones.

Steven Block

As an independent scientist, Block has pioneered the use of optical tweezers, a technique developed by Arthur Ashkin, to study biological enzymes and polymers at the single-molecule level.

Tethered particle motion

Tethered particle motion (TPM) is a biophysical method that is used for studying various polymers such as DNA and their interaction with other entities such as proteins.

Thiokol

When scientists at the Jet Propulsion Laboratory discovered that Thiokol's polymers made ideal binders for solid rocket fuels, Thiokol moved into the new field, opening laboratories at Elkton, Maryland, and later production facilities at Elkton and at Redstone Arsenal in Huntsville, Alabama.

Valspar

Enterprise Paint Companies in 1987, the McCloskey Corporation in 1989, and Hi-Tek Polymers and portions of Cook Paint and Varnish Company in 1991.

Worm-like chain

The worm-like chain (WLC) model in polymer physics is used to describe the behavior of semi-flexible polymers; it is the continuous version of the Kratky-Porod model.

YXY Building Blocks

HMF and MMF are key molecules into the conversion of carbohydrates into liquid biofuels, polymers and chemicals.


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