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Barrier Properties of EVOH at Low Temperatures and Various Humidity

(Magazine)

March 31, 2001, ... used storage in either a temperature and humidity chamber or desiccators containing saturated salt solutions. OTR Results Figure 1 shows the relative humidity dependence of OTR at various temperatures ...

Part Three of a Three-Part Series: Ultrasonic Drying of Biodegradable Molded Recycled Paper

(Equipment/Machines - Converting)

September 15, 2024, ... work zone, because the relatively small amount of evaporated water will not affect the quality of drying. Drying Methodology and Procedure It was decided to divide the tests into two subgroups within ...

Obtaining Barriers When Coating and Printing Flexible Materials

(Bag Pouch)

June 09, 2024, ... such as temperature and relative humidity can compromise permeability and barrier resistance. Regardless of material or process selection, the converter and others in the supply chain need to weigh up ...

Surface Treatment: The Importance of Getting it Right

(Surface Prep)

May 19, 2024, ... securely to a filmic material, the relative surface energy between the two needs to be adjusted. Untreated film has very low surface energy, which is measured in dynes, so any liquid applied to it will ...

Understanding Dyne Decay

(Surface Prep)

March 12, 2023, ... Because the surface energy of the liquid is higher, the surface energy of the substrate needs to be increased by a treatment process, and this is known as corona. The process itself is relatively simple. ...

How a Full Lineup of Coatings Can Transform Packaging

(Coating/Laminating)

February 07, 2023, ... oxygen-barrier performance across multiple substrates—polyester, oriented polypropylene and OPA—at room temperature and relative humidity. The nanocomposite coatings provide excellent barrier performance ...

High Speed Barrier Packaging Film for Horizontal Form-Fill-Seal

(News | New Products)

January 12, 2021, ... provides a very effective barrier to aroma, and oxygen even at high relative humidity levels. It is printable, glossy and is food contact compliant globally. SLF has also been classified as Made for Recycling ...

Corona Treating System

(Corona, Flame, Plasma)

January 02, 2020, ... if the rollers are air cooled, and four times the power if water cooled.  Some technical people feel that ceramic also produces more uniform charge density in the corona because of its relatively high ...

Innovia and Wildcorn Develop a Fully Recyclable and Sustainable Pack

(News | New Products)

October 21, 2019, ... oils and oxygen even at high relative humidity levels ensuring increased shelf life and reduced food waste. It is glossy, is food contact compliant and chlorine free.  The film is suitable for use in a ...

Innovia’s Strata Film Awarded “Made for Recycling” Quality Seal

(News | New Products)

August 05, 2019, ...  Propafilm Strata SL provides an effective barrier to aroma, mineral oils and oxygen even at high relative humidity levels ensuring increased shelf life and reduced food waste. It is glossy, is food contact ...

Emerging Technologies Turn Converters’ Heads

(News | New Products)

April 01, 2019, ... being sensitive to static electricity, humidification is another emerging technology for converters. With the desire to store material in an environment with a uniform relative humidity year-round, many ...

Process Sensors Launches Profiling System

(Controls)

June 02, 2018, ... on-line measurement and are said to be unaffected by relative humidity, changes in product temperature, ambient light, and temperature. Other reported advantages include the following: Minimize edge ...

Cortec Desicorr Pouches NW Protect Sensitive Devices

(Bag Pouch)

January 03, 2017, ... 23.1- gram moisture absorption capacity at 77°F, 75% relative humidity. Whether the main concern is efficient absorption or knowing when to recharge or replace a pouch, Cortec’s handy Desicorr Pouches ...

MOCON Testing System Cuts Time to Market

(Controls)

November 27, 2016, ... system’s sensitivity for measuring oxygen transmission characteristics of films and packages. Company says unit measures film barriers to 5x10-4 cc/(m2 x day) at precise temperature and relative humidity ...

Performance Pkg. of NV Launches Additive for Extended Shelf Life

(Flexpack)

October 03, 2016, ... relative humidity within the container that is treated. This could be a boon for items that require a high oxygen transmission rate (OTR) and a stable moisture vapor transmission rate (MVTR). AIRSHIELD ...

Sticking With It | PSAs for Labeling Applications

(Coating/Laminating)

July 11, 2016, ... type and formulation components. Dust, oil, and moisture all represent challenges to achieving a strong bond of the label to the surface. Smooth, clean surfaces are relatively ease to bond with, thus both ...

MOCON Offers Oxygen Permeation Analyzer

(Controls)

November 30, 2015, ... reduces consumption when the system is idle. In addition, many safety features have been added to increase component lifetime. Automation features include relative humidity (RH), temperature, pressure, ...

Mocon Launches WVTR Testing System

(Controls)

November 25, 2014, ... model 3/34 allows the operator to mount a test film, set the temperature/relative humidity conditions, and begin the test. This is made possible by company’s TotalCal capability, said to improve accuracy, ...

Coating Matters | Steam Remoisturizing Technology for Paper-Based Labels, Pt. 1

(Coating/Laminating)

July 21, 2014, ... variables in coating or laminating processes that can cause curl. For example: differences in tension between two laminated layers can cause curl. Relative humidity differences in operating environments ...

Coating Matters | Under Pressure: The Damage Stress Can Do in Fluid Coating

(Coating Matters)

March 24, 2014, ... temperature of the polymer, the solvent volatility, particulates in the fluid, and the relative humidity. Controlling these factors will help control the stress of the fluid as curing occurs and a solidified ...

Packaging Awards | AidPod Takes Top Spot as DuPont Celebrates Innovation

(Flexpack)

May 12, 2013, ... collagen or cellulose, it is much cleaner and fewer harsh chemicals are needed to produce the sausage. The oxygen barrier and relatively high moisture barrier prolong shelf life, preserve flavor, and significantly ...

On Print | Conductive Inks & Coatings

(Coatings)

February 21, 2013, ... ITO has been the premier transparent conductive coating with a number of reliable suppliers. But it is a mature product and improvements are coming relatively slowly. The primary drawbacks of using ITO ...

Static Beat: Beat Winter Static

(Static-Beat)

November 22, 2011, Now is the time for maintenance and process adjustments to prevent winter static. Static becomes worse when the humidity is low. Cold air holds less moisture than warm air. So, the relative humidity ...

Two MOCON Products Bundled for Easier Barrier Testing

(Controls News)

November 17, 2011, ... relative humidity method, with "set and go" fast and automatic controls. In addition, the systems feature an automatic flow setting and are designed to protect against over/under pressure and sensor damage. ...

AIMCAL Awards: Canisters Blow Away Competition

(Coating/Laminating)

March 17, 2011, ... back. Transfer metallizing is said to help the relatively lightweight insert lay flat because it permits moisture loss and gain on both sides of the sheet. Transfer metallizing achieves source reduction ...

Surface Treating: Promoting Adhesion

(Surface Prep)

February 28, 2011, ... (PE) and polypropylene (PP), are chemically inert and nonporous with relatively low surface tensions. This makes them non-receptive to adhesion with interfaces such as printing inks, coatings, and adhesives. ...

Coatings Offer High Barriers

(Coating)

January 31, 2011, Nanolok WR water-based barrier coatings offer high-oxygen barrier over the widest relative humidity and provide similar moisture barrier to that of PVDC-coated Nanolok WR water-based barrier coatings offer ...

Mocon Installs Permeation Units at High-Altitude Tibetan Lab

(Controls News)

January 10, 2011, ... PERMATRAN-W Model  MG 3/33 Plus water vapor transmission rate unit offers automatic relative humidity (RH) capability via “cutting edge” engineering. The new software interface is claimed “easy-to-use” ...

Static Beat: Conductive Antistatic Layers

(Static Elimination)

December 31, 2010, ...  Cost Higher Lower Table II Materials for Conductive Layers Resistivity Range Candidate Materials Relative Cost 10+11 to 10+12 Ω/° Additives to polymers before casting or extrusion; ...

Static Beat: Prevent Winter Static

(Static Elimination)

September 30, 2010, Static becomes worse in the winter when heating systems operate. Cold air holds less moisture than warm air. So, the relative humidity of heated air is Static becomes worse in the winter when heating systems ...