Mocon oxtran model 222 h oxygen transmission rate otr. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. The exposure area for the wvtr measurement was 50 cm 2 and thickness of the sheet was 2. Testing water vapor transmission rates for flexible barrier materials including metalized structures robert maixner michelle stevens mocon inc. The polyethylenes are produced in a metallocenecatalyzed production process. Mocon improved their well established instrument aquatran 1 by measures like increasing the tightness, modifying the sensor and improving the temperature control. It is equipped with three individual test dishes and the testing process is completely automatic and conforms to international standards. The measured values of wvtr decreased with increasing nanoclay content. Abandoned application number us09883,764 inventor kevin brady john mackay. A process for rendering films, film composites, and articles made therefrom less resistant to passage of water vapor by passing a filled precursor film or film composite through the nip of interdigitating grooved rollers. The new generation aquatran 2 allows measuring wvtr down to 5 x 105 gm. Latest news rdm test equipment supplying testing solutions.
Ush2000h1 method for making polyolefinfiller films having. Calculating the otr of microperforations in a produce package more technical note. The output of the unit is calibrated to the results obtained with a film of known wvtr. Traceable measurements of water vapour transmission rate. Testing water vapor transmission rates for flexible. Download fulltext pdf the impact of water vapor transmission rate on the lifetime of flexible polymer solar cells article pdf available in applied physics letters 9310. Astm f1249 the purpose of the astm f1249 f1249 test method is to obtain accurate data for the wvtr of plastic sheeting and film. Jun 04, 2014 this video explains the test method astm e96 for determining the amount of water vapor that will diffuse through a material in the presence of vapor pressure. Transparent and supergasbarrier pet film with surface coated by a polyelectrolyte and borax. The two methods that were compared were the usp containers permeation. Table 2 summarizes the extruder output rate and the measured averaged film thickness sampled from different batches and locations. Reviews what you need to know or steps in the process of choosing and testing a ultra high flexible barrier. Abstract as new materials with increased barrier properties are developed, the instruments and test methods used for measuring the barrier properties must be modified.
The units for otr are given in cc mmm2 day atm, and the units for wvtr are given in g mmm2 day atm, where one atm is equal to the pressure exerted by a column of mercury 760mm high at a temperature. Please note that this test description is intentionally generic in nature and aimed at providing a descriptive summary to enhance test understanding. This test system is based on the gravimetric method to determine the wvtr of flexible films, sheets and foils. Standard mocon instrument astm f 1249 permatranw 334, 333, 361, 700 astm e 398 permatranw 150, 398. It is essential to accurately test the barrier property, also called as water vapor transmission rate wvtr. Pdf efficient multibarrier thin film encapsulation of oled. It is assumed that the relative humidity on the wet side of the film is approximately 100%, and the dry side is approximately 0%. By adding 10 nm sio 2 nanoparticles in the coatings, wvtr further decreases to 0. Correlation of micro and nanoscale defects with wvtr for.
There are two wellknown astm test methods that described the measurement of wvtr for packaging materials. The tests generate a value known as an mvtr moisture vapor. The films or film composites are generally formed using a precursor film of a film forming polyolefin or polyolefin blend, with a relatively high filler loading and. Permeation of water vapor through high performance.
Our dansensor package testing products are used for quality assurance and quality control of packages that are protected with a controlled gas composition. Designed for low cost barrier testing, the 150 series of instruments provide mocon accuracy for water vapor. A new generation of its industry standard, the innovative wvtr testing line now automatically generates relative humidity. Oxygen and water vapor permeability packaging materials.
Water vapour transmission rate wvtr wvtr time rate of watervapour flow normal to two specified parallel surfaces under steady conditions, through unit area, under the conditions of the test accepted unit 1 gram per 24 h per sq. Effect of test conditions and pet surface treatment on. Water vapor transmission rate wvtr was measured using mocon wvtr sg 333 usa as per astm f 124906 test method at 40 0. It constitutes the operating mechanism of commercially available equipment such as the one offered by mocon.
Standards can be obtained from appropriate standard authorities. W3031 water vapor transmission rate tester labthink. Pdf a systematic approach for the accurate and rapid. Mocon bundles permeation units for easy entry into otr and wvtr testing source.
Water vapor permeability tester water vapor transmission. The primary objective of this study was to directly compare two distinctly diverse package moisture permeation test methods. Us20030168776a1 process for adjusting wvtr and other. Films, made of polyethylenes and filers, and articles made therefrom greater wvtr than previously available films based on conventional zeiglernatta based polyethylenes. Hybrid nanocomposite film with enhanced moisture barrier. Kit based repairs are available to replace similar wear parts.
Reducing the test area of a barrier film for permeation analysis. The wvtr values determined using the novel measurement device agree with those measured using a commercially available carriergas device from mocon. The films may be made by a cast film process, and may be made in widely varying filler content, generally polyethylene to filler ratios of 3070 to. The wvtr values determined using the novel measurement device agree with those measured using a commercially. Michelle stevens, stephen tuomela, and dan mayer, mocon, inc. The oxygen transmission rate otr of films and packs is determined using benchmark mocon oxtran 221 equipment. The wvtr of the mocon reference film was investigated using the eca test, mocon and hto permeation. Figure 1 schematic of the flexible pv module courtesy of flisom, switzerland see online version for colours 3 experimental procedure 3. Comparative analysis of moisture vapor transmission rate data. Nov 18, 2011 mocon bundles permeation units for easy entry into otr and wvtr testing source. W3031 water vapor transmission rate tester is based on the cup method, and is professionally applicable to the water vapor transmission rate test of film specimens.
After 3000times cyclic bending, the wvtr and otr of the two pairs of parylenesin x coatings on pc can be maintained at a level near 0. This method is suitable to test flexible barrier films and sheets. In cases where barrier materials contain defects and hence, do not meet specification. Comparing three techniques to determine the water vapour. Permatran mocons new wvtr testing system generates. A new user interface and increased automation of mocon oxtran model 222 h makes testing easier than ever before with less skill required, reducing the costs associated with training new employees or transitioning responsibilities within your company. Carbon dioxide, nitrogen, methane and other gas permeability through films can be measured using lyssy l1005000 equipment. Our wvtr testing of films and packs is performed using the mocon permatranw 333. Measuring wvtr of ultrabarriers michelle stevens, stephen.
Wvtr of the test films are reported as grams of watermeter 2 day. Q u a l i t y c o n t r o l p a c k a g e t e s t i n g s y s t e m bene. Mocon bundles permeation units for easy entry into otr. Read over our frequently asked questions about permeation and permeation testing permeation glossary. Starting a new test may be as simple as a single press of a button. Pdf gas permeability and medical film products researchgate. This video explains the test method astm e96 for determining the amount of water vapor that will diffuse through a material in the presence of vapor pressure. Ametek mocon is a global leader in gas measurement technology our mocon permeation instruments are used to measure the oxygen, water, and carbon dioxide transmission rates through barrier films and packages. Testing water vapor transmission rates for flexible barrier. Ametek mocon offers repair services for its mocon permeation instruments either at its mocon factory or in the field. M s md s h ss sd ss sd sd st m l s l sh ss s d st mh st st mt st this instrument is etl listed.
Process for adjusting wvtr and other properties of a. Download fulltext pdf analysis of air permeability and wvtr characteristics of highly impermeable novel rubber nanocomposite article pdf available in materials research express 22. Permeation in flexible electronics linkedin slideshare. Us20010041487a1 us09883,764 us88376401a us2001041487a1 us 20010041487 a1 us20010041487 a1 us 20010041487a1 us 88376401 a us88376401 a us 88376401a us 2001041487 a1 us2001041487 a1 us 2001041487a1 authority us united states prior art keywords film process filler wvtr polyolefin prior art date 19960731 legal status the legal status is an assumption and is not a. Astm f3299 ametek mocon welcomes another wvtr standard test method to the family. Possible oxtran 220 system configurations starting with master base control system.
Tubes wvtr testing report we have approached mocon, a specialized water vapor transmission rate wvtr testing equipment manufacturer to run a series of wvtr tests on both viva injectionmolded tubes and extruded tubes commonly available in the market. Ametek mocon is a global leader in gas measurement technology. Mocon bundles permeation units for easy entry into otr and. A systematic approach for the accurate and rapid measurement. Aquatran model 1 is a water vapor transmission rate wvtr instrument for measuring the gas permeation rate of ultrahigh barrier films, including those used in the manufacture of organic light emitting displays oled. Us20010041487a1 process for adjusting wvtr and other. Full glossary of permeation science and applied permeation testing terms. We offer standard repair services to all customers, and quickturn mocon factory repair service for customers on a preventative maintenance service contract. Mocon aquatran model 1 buy water vapour transmission. Correlation of micro and nanoscale defects with wvtr for aluminium oxide barrier coatings for flexible photovoltaic modules. Our mocon permeation lab recently achieved near perfect results in the hemshell proficiency testing service for otr and wvtr. Single unit container and unit dose containers for capsules and tablets and the mocon modulated infrared sensor method astm f 1249. Pdf from for many years, glass, paper, and metal were the dominant primary. Astm e96 water vapor transmission of materials using gravimetric method adopted in 1941.
Pdf correlation of micro and nanoscale defects with wvtr. Mocons advanced packaging solutions modes of food deterioration shelflife modeling and studies microbial studies accelerated aging studies chemical and physical analysis of food and packaging polymer evaluation gas mix optimization map systems audits shelflife optimization transportation testing human evaluation panels. Our dansensor package testing products are used for quality assurance and quality control of packages that are protected with a. The test also is limited to the sensitivity of the analytical balance used. Depending on the structure and quality of the barrier film, it may take a long time for the wvtr to reach a steadystate value. The wvtr values determined at room temperature 2325 c are listed in table 1. After coated with an al 2 o 3 thin film, which has a thickness of. Reviews permeation wvtr and otr of flexible electronics and ultra high barriers, mass transfer concepts of permeation measurement. Table 3 shows the values of wvtr of hydride nanocomposite films. Active standard astm f1249 developed by subcommittee. After 3000times cyclic bending, the wvtr and otr of the two pairs of parylenesinx coatings on pc can be maintained at a level near 0. It is advanced with 6 test cups for 6 different specimens.
The wvtr of the pristine pet films is approximately 12. Sep 17, 2014 this presentation was given by michelle stevens for mocon inc. Deposition and permeation properties of sinxparylene. The water vapor transmission rate wvtr and the oxygen transmission rate otr of the bovlon and bopp films were determined with mocon permatranw and mocon oxtran at 10. Very similar wvtr values were obtained using the eca test and mocon when evaluated at similar rh. Efficient multibarrier thin film encapsulation of oled using alternating al 2 o 3 and polymer layers. Effect of relative humidity on barrier properties of. Wvtr standards different conditions of temperature and humidity employed in each isostatic techniques astm f 124901 5 x 103 gm 2day iso 151062 to enable flexible organic electronics with barriers 104 106 gm 2day, accurate and traceable measurements are required. Wvtr measurement through plastics and elastomer films, paper, board and other sheet materials using gravimetric method similar to astm e 96 part 2. The nanocomposite solgel coatings with two different particle sizes can effectively inhibit water penetration. However, the obtained otr wvtr data were below the detection limits of the mocon oxtran 261 and permatranw361 instrument systems. Pdf analysis of air permeability and wvtr characteristics. Discover why customers choose ametek mocon for our otr and wvtr permeation testing products and services, and why you should too. Analysis of air permeability and wvtr characteristics of.
Process for adjusting wvtr and other properties of a polyolefin film download pdf info publication number us20030168776a1. An astm designation number identifies a unique version of an astm standard. Water vapor transmission rate wvtr both a mocon w1, and a mocon w600 instrument are used to measure water evaporated from a sealed wet cell at 37. Water vapor test equipment produced by mocon formerly modern controls, inc. Pdf the impact of water vapor transmission rate on the. Neat evoh and evohldpe blend centered threelayer co. Ush2000h1 method for making polyolefinfiller films. Our mocon permeation instruments are used to measure the oxygen, water, and carbon dioxide transmission rates through barrier films and packages. However, the experimental values were all higher than the. These indicate that the present multilayered coatings have high potential for future flexible display applications.
Advancements in barrier quality of certain materials have pushed the sensitivity limits of commercially. The water vapor transmission rate wvtr and the oxygen transmission rate otr of the bovlon and bopp films were determined with mocon permatranw and mocon. Pdf efficient multibarrier thin film encapsulation of. In order to achieve the 5 wt% neat evoh centered layer, the center extruder rpm was set as 5% of the combined rpm of the three extruders at. From the measured downstream pressure increase per unit of time, the permeation rate called wvtr for water vapor transmission rate.
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