Encyclopedia

Within our encyclopedia, you will find information about materials, especially polymers. Polymers, known from daily use or application specific polymers with special properties are introduced and, if available, publicated with producing companies and their tradenames.
Additionally, our encyclopedia contains explanations for terms, methods, concepts and physical quantities that we are daily faced with during our work with permeation and polymers.
 
A
Acidic Acrylic-acid-ionomers of ethyleneAcrylate-rubber (ACM)Acrylic-Butadiene-Styrene-copolymers (ABS)Acrylic glassAcrylic-nitrile-Butadiene-Rubber (Buna-N) (NBR)Acrylic-nitrile-Methyl-Acrylate-copolymers (AMA)Acrylic-nitrile-Styrene-Acrylic-ester-polymer-alloy (ASA) Activation energy Arrhenius equation ASTM
 
B
Barrier Barrier Coating Barrier Packaging BiotechnologyBisphenol ABromine-butyl-Rubber (BIIR) Butadiene-Rubber (BR)
 
C
CALIBRATING FLUID II , MIL-PRF-7024F TYPE II
Carboxylated-Nitrile-Butadiene-Rubber (XNBR)Catalysis CatalystCellulose Acetate (CA)ChemicalChemistryChlorine-Sulfonated-Polyethylene (CSM or CSPE)Chloro-isobutene-isoprene rubber (Chlorobutyl Rubber, CIIR) Chloroprene-Rubber (CR)Combinatorial chemistry Composite Composite HoseCyclic Olefine Copolymers (COC)
 
D
DiffusionDiffusion coefficient Diffusion rate DIN Drying of gases
 
E
E-85 FuelEpichlorohydrin-Rubber (CO and ECO; CO = homopolymer; ECO = copolymer)Epoxy Resins (EP)Ethylene-Acrylate Copolymer (EAR)Ethylene-Acrylate-rubber (AEM)Ethylene-Acrylic-Acid-copolymer (EAA)Ethylene-Chlorotrifluoroethylene-Fluorocopolymer (ECTFE)Ethylene-Propylene-(Diene-)Rubber (EPM and EPDM; EPM = copolymer; EPDM = terpolymer) Ethylene–Tetrafluoroethylene-Fluorocopolymer (ETFE) Ethylene-Tetrafluoroethylene-Hexafluoropropylene-Fluoroterpolymer (EFEP)Ethylene-Vinyl-Acetate-Copolymers (EVA) Ethylene-Vinyl-Alcohol-Copolymer (EVOH)
 
F
Facilitated DiffusionFAM A FAM BFeedFFKM (Perfluorinated rubber) FKM (Fluoroelastomers) FluorelastomersFluoropolymers Fluororubber (FPM) Fluoro-Silicone-Rubbers (MFQ or FVMQ)Foamable polystyrene (EPS) FuelFuel C Fuel Cell TechnologyFuel Tank TechnologyFunctionalised Polymers
 
G
Gas seperation Glass transition temperature (Tg) Granule
 
H
High Density Polyethylene (HDPE) High-Density-Polyethylene, HDPE (hard PE)Hydrogenated Polyacrylic-Nitrile Butadiene (HNBR)- EPM (copolymer); EPDM (terpolymer)Hygroscopic
 
I
Ion ISO ISO 4593 ISO/DIS 15105-1Isobutene-Isoprene-Rubber (IIR) Isoprene-Rubber (polyisoprene IR)
 
J
Jet Fuel RF
 
L
LaminateLiquid-Crystal-Polymers (LCP)Low Density Polyethylene (LDPE)
 
M
M 25Melamine-Formaldehyde (MF)MembraneMIL-C-7024E, Typ III Multilayer film
 
N
Nafion (copolymer made from PTFE and perflourinate Monomer)Natural Rubber (NR)
 
P
Parylene Perflourated-dimethyl-dioxole/Tetraflourinated-ethylene-copolymer (PDD/TFE)Permeability Permeat Permeation cell Permeation coefficient Permeation measurement cell Permeation ratePermeation rate measurement Permeation tubePhenolic plastics, phenoplastic moulding compounds (PF)Polyacetal or Polyoxymethylene (POM) Poly-acrylic-acid Poly-acrylic-acid-amidePoly-Acrylic-Nitrile (PAN) Polyamide (PA) Polyamide-Imide (PAI) Polyarylate (PAR)Poly-Benzimidazole (PBI) Polybutene (Polybutylene, PB) Polybutylene-Terephthalate (PBT) Polycarbonates (PC) Polychlorinated Terphenylenes (PCT)Polychloroprene (CR) Polychlorotrifluoroethylene (PCTFE) Polycyclohexylenedimethylene-Ethylene-Terephthalat Polyester (general)Polyesterurethane (AU) Polyether-Block-Amide (PEBA) Poly-Ether-Ether-Ketone (PEEK) Polyetherimide (PEI) Polyethersulfone (PESU) Polyetherurethane (EU) Polyethylene (PE) Polyethyleneglycol Polyethylenenaphthalate (PEN) Polyethylenesuccinate (PES) Polyethyleneterephthalate (PET)Polyimide (PI)Polyisobutylene (Butyl rubber) Polyketone (PK)PolymerPolymer alloyPolymer-Blend Polymer characterisation Poly-Methyl-Methacrylate (PMMA)Polynorbornene (PNB)Polyorganophosphazene (PPZ) Poly-Phenylene-oxide (PPO) Poly-Phenylene-sulfide (PPS) Polypropylene (PP) Polystyrene (PS)Polysulfide rubber (SR) Polysulfone (PSU) Polytetrafluoroethylene (PTFE)Polyurethane-Foam (PUR) Poly-Vinylacetate Poly-Vinylalcohol (PVA) Poly-Vinylchloride (PVC) Polyvinylfluoride (PVF) Poly-Vinylidene-Chloride (PVDC) Polyvinylidenefluoride (PVDF)Pouch Method
 
R
Resin Retentat RFID
 
S
SemipermeableSilicone (SI) <a title="Silicone rubbers can be used for a

Time-lag

Description: Time needed by a chemical for permeating through a material. An important characteristic, e.g.

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E-85 Fuel

Description: Testing fuel for determining permeation and resistance properties in general. Composition: 79 – 86

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Polymer

Description: A polymer is a chemical compund that consists of molecule chains (macromolecules). The process

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Composite

Description: Composites are materials consisting of several other materials, whereby all technical relevant properties are

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TF 1

Description: Testing fuel for determining permeation and resistance properties in general. Composition: 10 vol% Ethanol

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FAM A

Description: Testing fuel for determining permeation and resistance properties in general. Composition: 50 Vol.% Toluene

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Catalyst

Description: A substance accelerating normally slow-running chemical or biochemical reactions is called catalyst. The catalyst

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M 25

Description: Testing fuel for determining permeation and resistance properties in general. Composition: 75 vol% Fuel

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ISO

Description: ISO = International Organisation for Standardisation ISO is a network of the national standards

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Chemical

Description: Chemical compounds that produced by chemical methods are called chemicals. They are produced in

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Acrylic glass

Description: Collective name for organic acrylic glasses composed of polymethacrylates, which are produced by polymerisation

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Laminate

Usage: Floor covering, protective sealings, printed circuit boards, canvas, several material grades Category:Definition

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Retentat

Description: During a permeation rate measurement, the retentat is the depleated particle stream that leaves

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Fuel

Description: Fuels are materials emitting technically usable energy while they are burned.Examples for solid fuels:

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TF 2

Description: Testing fuel for determining permeation and resistance properties in general. Composition: 92,5 vol% Fuel

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Parylene

Description: Produced by vapor-phase-polymerisation of p-xylene. The main component is Parylene-N (poly-p-xylylene), a highly criystalline

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TF 3

Description: Testing fuel for determining permeation and resistance properties in general. Composition: 10 vol% Methyl-tert-butylether

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DIN

Description: DIN = German Institute for Standardization (registered association) German institute, responsible for standardisation and

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Polyimide (PI)

Description: Normally inmeltable, often amber-colored and highly temperature-resistant high-performance polymer consisting mainly of aromatic molecules.

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Polyetherimide (PEI)

Description: Amorphous, transparent, amber-colored high-performance thermoplatic with a cyclic structure, containing aromatic diethers, dianhydrides and

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