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Dealing with Ink Adhesion on High-Slip Films

(Magazine)

December 31, 2001, One of the most common problems with printing high-slip films is poor ink adhesion. Such films have low surface energies, and the levels of slip additives One of the most common problems with printing ...

What's New in Narrow We

(Magazine)

December 31, 2001, Stations Provide Precise Label CountingLabelmate LLC, Henderson, NV; 877/833-7149; labelmate.comThe Model COUNT-100 Label Counting Station gives an accurate Stations Provide Precise Label Counting Labelmate ...

Products

(Magazine)

December 31, 2001, ...  WrinkleStop and Multi-Adjust WrinkleStop no-bow, expanding, smooth-surface spreader roll systems have undergone improvements including a contoured disk design that aids in surface expansion and reduces ...

Control of Adhesion and Removal of Heat Sealable Tops on Polymer Containers

(Magazine)

December 31, 2001, ... two polymer surfaces by forcing them into intimate contact while they are in at least a partially molten state. Failure of a heat seal bond always initiates at the weakest point. This can be adhesive failure, ...

Wide Web Handling and the Problems It Can Bring

(Magazine)

November 30, 2001, ... on a single mandrel. And most of these winders use a lay-on roll to remove excess boundary air from the winding surfaces. When the web thread path is from the bottom over the top of the lay-on roll ...

Products

(Magazine)

November 30, 2001, ... covering and is self-cleaning because the web is constantly polishing the surface. Works well with all films, foils, tissues, nonwovens, and fabrics, co. reports. Custom-made for each application and to ...

MD Wrinkle Formation Causes and Cures

(Magazine)

October 31, 2001, ... MD wrinkles can be generated near the core by building artificial gauge bands on the core with tape. Two or more gauge bands must be present for MD wrinkles to occur. Films that have a rough surface ...

European Conference Draws Large Audience

(Magazine)

September 30, 2001, ... and cause increased interlayer pressure that increases the risk of blocking on some materials. This problem is common with grades that are coated, printed, or perhaps have surfaces that have an affinity ...

Slitting Adhesive-Coated, Low-Strength Films

(Magazine)

September 30, 2001, ... the advantages of rotary knives is the entire cutting surface is exposed to the web. Rotary knives with double bevels work exceedingly well on weak films, but they still cause edge thickening due to the ...

The Parts and Performance of WEB CONVECTION DRYERS

(Magazine)

August 31, 2001, ... or coated web. Essentially, convection dryers deliver heated air to the surface of the web and remove solvent- or water-laden air, drying the web in the process. There are two types of convection dryers ...

Converting Industry News

(Magazine)

August 31, 2001, ... a knurled, hardcoat-anodized surface. The roll shaft, which runs axially through the entire length of the roller, reportedly gives the TR extremely high mechanical overload protection. Supplier Information ...

Belt Tracking Problems Require Careful Attention

(Magazine)

August 31, 2001, ... rollers with 90-180 deg of wrap is critical for good tracking when belts are running under high tension and tracking friction with the belt surface is high. Self-centering rollers, rollers with flat surfaces ...

More Causes, More Cures For Web Scratches

(Magazine)

July 31, 2001, ... the driven roll should be made with a metal surface and the idler roll should be made with an elastomer surface. And, in order to achieve a uniform nipping pressure across the entire web width, the elastomer-covered ...

Slitting Survey

(Magazine)

July 31, 2001, ... 45% of larger firms indicate they are planning to purchase center winders in the next 12 months, more than double the amount of small firms (18%); 43% plan to purchase a combination center/surface system ...

Slitter Savvy: The Art of Winding Good Rolls

(Magazine)

July 31, 2001, ... types of winders: center winders, surface winders, and center/surface winders. Single-Drum Surface Winders Single-drum surface winders are the simplest and least expensive type of winders. As shown ...

Polymers/Laminations/Adhesives/Coatings/Extrusions

(Magazine)

July 31, 2001, ... by the metering roll and the applicator roll. Edge dams on the side contain it and determine the width of the wetted surface. Two factors determine coating weight: The gap between the metering roll ...

Assessing the Potential for Ink Transfer and Migration

(Magazine)

June 30, 2001, ... is an example of this type of transfer. The amount of transfer can be quite small, but it is detectable. In the case of the UV-printed cups, the ink is in contact with both the cup's outer surface and ...

Web Scratch Solution: Regulate Your Running Rolls

(Magazine)

June 30, 2001, Driven rolls also may scratch the web surface, even though they are very accurately speed-controlled. Web scratches can be a vexing problem on very clear products. Because they become visible when ...

What's New in Narrow We

(Magazine)

June 30, 2001, ...  They reportedly offer an aggressive, high-tack, high-peel acrylic adhesive and bond exceptionally well to low-surface-energy plastics, EPDM rubbers, and ether and ester foams. The polyester carrier incorporated ...

Products

(Magazine)

May 31, 2001, ... systems. Features are said to include deep-cavity design and wide tip-to-tip blade distance to eliminate foaming, ghosting, and starvation; independent surface seal loading and wear compensation; tool-less ...