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• E-Leather
  ...nd wipe clean ease of maintenance will save further costs and [[cleaning]] chemicals<ref>http://www.eleathergroup.com/modules/news/index.php?mod=show_news&id_nw ...no harmful waste-waters in the manufacture of its composition leather. Its process is a continuous [closed-looped] system with 95% of water recycled, while a
  4 KB (509 words) - 10:09, 20 September 2010
• SU-8 photoresist
  ...Zhao, X.; Yang, C.; Chen, D. "[http://dx.doi.org/10.1007/s00542-002-0242-2 Process research of high aspect ratio microstructure using SU-8 resist]" Microsyste ...d developing, its highly cross-linked structure gives it high stability to chemicals and [[radiation damage]]. Cured cross-linked SU-8 shows very low levels of
  4 KB (532 words) - 10:09, 20 September 2010
• Photoresist
  Different chemicals may be used for permanently giving the material the desired property variat ...sit their energy gradually, and scatter within the photoresist during this process. As with high-energy wavelengths, many transitions are excited by electron
  16 KB (2,176 words) - 10:09, 20 September 2010
• CR-39
  ...the Columbia Resins project in 1940.<ref>http://corporateportal.ppg.com/NA/chemicals/Optical/CR39/cr39History.htm</ref> ...arked product of [[PPG Industries]].<ref>http://corporateportal.ppg.com/NA/chemicals/Optical/CR39/</ref>
  5 KB (712 words) - 10:09, 20 September 2010
• Environmental stress cracking
  ...re of polymers to liquid [[chemical]]s tends to accelerate the [[crazing]] process, initiating crazes at stresses that are much lower than the stress causing ...m poor [[injection moulding]], especially where cold tools are used in the process. [[Polycarbonate]] is a particular problem, and tool temperatures in excess
  9 KB (1,372 words) - 10:09, 20 September 2010
• Biopolymer
  ...re [[compostable]]. That is, they can be put into an industrial composting process and will break down by 90% within 6 months. Biopolymers that do this can be In fact, as their synthesis is controlled by a template directed process in most in vivo systems all biopolymers of a type (say one specific protein
  68 KB (9,959 words) - 10:10, 20 September 2010
• Fire-safe polymers
  ...A general scheme of [[polymer]] [[combustion]].]] <br />The [[combustion]] process begins when heating a [[polymer]] yields [[Volatility (chemistry)|volatile] ...[[Radical (chemistry)|radicals]] (H and OH), to name a few. These specific chemicals can be added into the [[polymer]] molecules permanently (see Intrinsically
  17 KB (2,260 words) - 10:10, 20 September 2010
• Thermoplastic elastomer
  ...moset polymers is a [[covalent bond]] created during the [[vulcanization]] process. On the other hand the crosslink in thermoplastic elastomer polymers is a .../styroflex.html Styroflex] ([[BASF]]), Kraton ([[Royal Dutch Shell|Shell]] chemicals), Pellethane, Engage ([[Dow]] chemical), Pebax, Arnitel ([[DSM]]), Hytrel (
  11 KB (1,609 words) - 10:10, 20 September 2010
• Silicone rubber
  ...t of manufacture into the desired shape, and then in a prolonged post-cure process. It can also be [[injection molding|injection molded]]. ...s. Silicone rubber is a highly inert material and does not react with most chemicals. Due to its inertness, it is used in many medical applications and in [[med
  8 KB (1,198 words) - 10:10, 20 September 2010
• Polyvinyl acetate
  ...ype=&SectionNum=&idkey=NONE&Input=View+first+page "Plastic composition and process of producing it,"] U.S. Patent 1,241,738 (filed: July 3, 1914; issued: Oct. [[Category:Household chemicals]]
  6 KB (871 words) - 10:10, 20 September 2010
• Polyvinyl alcohol
  # As a film used in the [[Hydrographics (printing)|water transfer printing]] process ...Larger producers include Kuraray (Japan and Europe) and Sekisui Specialty Chemicals (USA) but mainland China has installed a number of very large production fa
  7 KB (928 words) - 10:10, 20 September 2010
• Polyethylene terephthalate
  ...bed. Finally the cool dry air leaving the desiccant bed is re-heated in a process heater and sent back through the same processes in a closed loop. Typically Such PET is generally known as PETG (Eastman Chemical and SK Chemicals are the only two manufacturers). PETG is a clear amorphous thermoplastic th
  43 KB (6,272 words) - 10:11, 20 September 2010
• Polymer
  ...nown as monomers into a covalently bonded chain. During the polymerization process, some chemical groups may be lost from each monomer. This is the case, for ...t the macro-scale, they describe how the bulk polymer interacts with other chemicals and solvents.
  45 KB (6,501 words) - 10:11, 20 September 2010
• Antimicrobial polymers
  ...microbial polymers must be positively charged to facilitate the adsorption process. The structure of the [[counter ion]], or the ion associated with the polym ...the environment. In addition, because free chlorine ions and other related chemicals can react with organic substances in water to yield [[trihalomethane]] anal
  26 KB (3,675 words) - 10:11, 20 September 2010
• Polyprenol
  ...logically active), playing a significant modulating role in the [[cellular process]] in plants referred to as [[biosynthesis]]. The [[dolichol]] phosphate cycle facilitates the process of cellular membrane [[glycosylation]], that is, the synthesis of [[glycopr
  9 KB (1,206 words) - 10:11, 20 September 2010
• Polyethylene
  ...with better environmental stress cracking resistance but is not as easy to process. LLDPE is used in packaging, particularly film for bags and sheets. Lower t ...p=show. Life Cycle Assessment Workbooks for a Selection of Major Renewable Chemicals]</ref>
  20 KB (2,802 words) - 10:11, 20 September 2010
• Polyethylene glycol
  ...also available dependent on the [[initiator]] used for the polymerization process, the most common of which is a monofunctional methyl ether PEG (methoxypoly ...[[polydispersity]]. [[Polymerization]] of ethylene oxide is an exothermic process. Overheating or contaminating ethylene oxide with catalysts such as alkalis
  20 KB (2,883 words) - 10:12, 20 September 2010
• Petroleum
  ...and medium oil are depleted, [[oil refineries]] are increasingly having to process heavy oil and bitumen, and use more complex and expensive methods to produc ...ranched), [[cycloalkane]]s, [[aromatic hydrocarbon]]s, or more complicated chemicals like [[asphaltene]]s. Each petroleum variety has a unique mix of [[molecule
  69 KB (9,885 words) - 10:12, 20 September 2010
• Emulsion
  ...g (chemistry)|creaming]], and [[coalescence]]. Flocculation describes the process by which the dispersed phase comes out of suspension in flakes. [[coalesce The kinetic process of destabilisation can be rather long (up to several months or even years f
  16 KB (2,286 words) - 10:12, 20 September 2010
• Refractory metals
  ...brication (metal)|fabricated]] by [[Casting (metalworking)|casting]]. The process of [[powder metallurgy]] is used. Powders of the pure metal are compacted, ...powder metallurgy]] applications binders have to be used for the sintering process. For the production of the tungsten heavy alloy a binder mixtures of [[nic
  25 KB (3,519 words) - 10:13, 20 September 2010

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