Our dansensor package testing products are used for quality assurance and quality control of packages that are protected with a controlled gas composition. Analysis of air permeability and wvtr characteristics of. Our wvtr testing of films and packs is performed using the mocon permatranw 333. Oxygen and water vapor permeability packaging materials.
There are two wellknown astm test methods that described the measurement of wvtr for packaging materials. Discover why customers choose ametek mocon for our otr and wvtr permeation testing products and services, and why you should too. 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. It constitutes the operating mechanism of commercially available equipment such as the one offered by mocon. Pdf from for many years, glass, paper, and metal were the dominant primary. Abstract as new materials with increased barrier properties are developed, the instruments and test methods used for measuring the barrier properties must be modified. 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. Measuring wvtr of ultrabarriers michelle stevens, stephen. Mocon bundles permeation units for easy entry into otr and wvtr testing source. Mocon oxtran model 222 h oxygen transmission rate otr. Correlation of micro and nanoscale defects with wvtr for aluminium oxide barrier coatings for flexible photovoltaic modules. 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.
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. Mocon bundles permeation units for easy entry into otr. 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. Permeation of water vapor through high performance.
Standards can be obtained from appropriate standard authorities. Deposition and permeation properties of sinxparylene. Single unit container and unit dose containers for capsules and tablets and the mocon modulated infrared sensor method astm f 1249. Films, made of polyethylenes and filers, and articles made therefrom greater wvtr than previously available films based on conventional zeiglernatta based polyethylenes.
The wvtr values determined at room temperature 2325 c are listed in table 1. Us6843949b2 process for adjusting wvtr and other properties. From the measured downstream pressure increase per unit of time, the permeation rate called wvtr for water vapor transmission rate. The wvtr values determined using the novel measurement device agree with those measured using a commercially. Depending on the structure and quality of the barrier film, it may take a long time for the wvtr to reach a steadystate value. An astm designation number identifies a unique version of an astm standard. 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.
Water vapor permeability tester water vapor transmission. Pdf a systematic approach for the accurate and rapid. Figure 1 schematic of the flexible pv module courtesy of flisom, switzerland see online version for colours 3 experimental procedure 3. The two methods that were compared were the usp containers permeation. Very similar wvtr values were obtained using the eca test and mocon when evaluated at similar rh. Sep 17, 2014 this presentation was given by michelle stevens for mocon inc. Nov 18, 2011 mocon bundles permeation units for easy entry into otr and wvtr testing source. The new generation aquatran 2 allows measuring wvtr down to 5 x 105 gm. Comparing three techniques to determine the water vapour. Ush2000h1 method for making polyolefinfiller films having. Advancements in barrier quality of certain materials have pushed the sensitivity limits of commercially. The tests generate a value known as an mvtr moisture vapor. Starting a new test may be as simple as a single press of a button.
Latest news rdm test equipment supplying testing solutions. This test system is based on the gravimetric method to determine the wvtr of flexible films, sheets and foils. It is advanced with 6 test cups for 6 different specimens. Standard mocon instrument astm f 1249 permatranw 334, 333, 361, 700 astm e 398 permatranw 150, 398. Pdf the impact of water vapor transmission rate on the. Hybrid nanocomposite film with enhanced moisture barrier.
Reducing the test area of a barrier film for permeation analysis. Mocon improved their well established instrument aquatran 1 by measures like increasing the tightness, modifying the sensor and improving the temperature control. Full glossary of permeation science and applied permeation testing terms. Read over our frequently asked questions about permeation and permeation testing permeation glossary. 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. It is essential to accurately test the barrier property, also called as water vapor transmission rate wvtr. 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.
Wvtr of the test films are reported as grams of watermeter 2 day. 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. We offer standard repair services to all customers, and quickturn mocon factory repair service for customers on a preventative maintenance service contract. A systematic approach for the accurate and rapid measurement. Astm e96 water vapor transmission of materials using gravimetric method adopted in 1941. Testing water vapor transmission rates for flexible. Water vapor test equipment produced by mocon formerly modern controls, inc. Transparent and supergasbarrier pet film with surface coated by a polyelectrolyte and borax. The test also is limited to the sensitivity of the analytical balance used.
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. Water vapor transmission rate wvtr was measured using mocon wvtr sg 333 usa as per astm f 124906 test method at 40 0. After coated with an al 2 o 3 thin film, which has a thickness of. Ametek mocon offers repair services for its mocon permeation instruments either at its mocon factory or in the field.
Reviews what you need to know or steps in the process of choosing and testing a ultra high flexible barrier. A new generation of its industry standard, the innovative wvtr testing line now automatically generates relative humidity. Pdf analysis of air permeability and wvtr characteristics. Active standard astm f1249 developed by subcommittee. The exposure area for the wvtr measurement was 50 cm 2 and thickness of the sheet was 2. The polyethylenes are produced in a metallocenecatalyzed production process. However, the experimental values were all higher than the.
It is equipped with three individual test dishes and the testing process is completely automatic and conforms to international standards. Us20030168776a1 process for adjusting wvtr and other. Carbon dioxide, nitrogen, methane and other gas permeability through films can be measured using lyssy l1005000 equipment. The nanocomposite solgel coatings with two different particle sizes can effectively inhibit water penetration. The output of the unit is calibrated to the results obtained with a film of known wvtr. Download fulltext pdf analysis of air permeability and wvtr characteristics of highly impermeable novel rubber nanocomposite article pdf available in materials research express 22. 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. Our mocon permeation lab recently achieved near perfect results in the hemshell proficiency testing service for otr and wvtr. These indicate that the present multilayered coatings have high potential for future flexible display applications. Efficient multibarrier thin film encapsulation of oled using alternating al 2 o 3 and polymer layers. Correlation of micro and nanoscale defects with wvtr for. Please note that this test description is intentionally generic in nature and aimed at providing a descriptive summary to enhance test understanding. Astm f3299 ametek mocon welcomes another wvtr standard test method to the family.
The measured values of wvtr decreased with increasing nanoclay content. In cases where barrier materials contain defects and hence, do not meet specification. Effect of relative humidity on barrier properties of. Traceable measurements of water vapour transmission rate. 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. Permatran mocons new wvtr testing system generates. Wvtr measurement through plastics and elastomer films, paper, board and other sheet materials using gravimetric method similar to astm e 96 part 2. 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. Table 3 shows the values of wvtr of hydride nanocomposite films. 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. Abandoned application number us09883,764 inventor kevin brady john mackay. W3031 water vapor transmission rate tester labthink. Pdf efficient multibarrier thin film encapsulation of oled. 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.
Process for adjusting wvtr and other properties of a. 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. 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. Mocon aquatran model 1 buy water vapour transmission. Permeation in flexible electronics linkedin slideshare. Permeation of water vapor through high performance laminates. Comparative analysis of moisture vapor transmission rate data. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Testing water vapor transmission rates for flexible barrier. 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. 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. This method is suitable to test flexible barrier films and sheets. The oxygen transmission rate otr of films and packs is determined using benchmark mocon oxtran 221 equipment. The wvtr of the pristine pet films is approximately 12.
Neat evoh and evohldpe blend centered threelayer co. Possible oxtran 220 system configurations starting with master base control system. Ush2000h1 method for making polyolefinfiller films. Testing water vapor transmission rates for flexible barrier materials including metalized structures robert maixner michelle stevens mocon inc. Mocon bundles permeation units for easy entry into otr and. Kit based repairs are available to replace similar wear parts.
By adding 10 nm sio 2 nanoparticles in the coatings, wvtr further decreases to 0. Us20010041487a1 process for adjusting wvtr and other. Our mocon permeation instruments are used to measure the oxygen, water, and carbon dioxide transmission rates through barrier films and packages. Table 2 summarizes the extruder output rate and the measured averaged film thickness sampled from different batches and locations. Pdf gas permeability and medical film products researchgate. Michelle stevens, stephen tuomela, and dan mayer, mocon, inc. 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. Designed for low cost barrier testing, the 150 series of instruments provide mocon accuracy for water vapor. 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. Pdf correlation of micro and nanoscale defects with wvtr. Calculating the otr of microperforations in a produce package more technical note.
Process for adjusting wvtr and other properties of a polyolefin film download pdf info publication number us20030168776a1. 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. Pdf efficient multibarrier thin film encapsulation of. However, the obtained otr wvtr data were below the detection limits of the mocon oxtran 261 and permatranw361 instrument systems. 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. 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. The primary objective of this study was to directly compare two distinctly diverse package moisture permeation test methods. Ametek mocon is a global leader in gas measurement technology. Effect of test conditions and pet surface treatment on.
752 16 921 1597 1525 1436 88 653 895 1527 1646 621 1233 412 181 631 1501 1512 1292 1136 82 1522 644 299 501 1076 524 994 670 306 1267 295 1456 321 584 260 8 631 294 981 164 244 860 1341