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G Prime A Rheological Indicator to Predict the Extrusion Coating Performance of LDPE

Published: February 1, 2004, By Per-Åke Clevenhag & Claes Oveby, Tetra Pak Converting Technologies AB
Application: A new rheological test method can predict the processing performance of LDPE for extrusion coating.

Coating Success

Published: October 1, 2003, By Edward D. Cohen, Edward D. Cohen Consulting Inc.
Improve your coating process with ongoing technical efforts. It will bring you ongoing rewards.

Solving the Problem of Silicone Transfer

Published: October 1, 2003, By Dr. Wilhelm Munninger, Frantschach Inncoat
Dr. Wilhelm Munninger of Frantschach Inncoat, a specialty release liner manufacturer, outlines his company's response to a major problem with large-format, water-based ink jet print.

Adhesion of Coatings to Aluminum Foil

Published: September 1, 2003, By Günter Schubert, Hydro Aluminum Deutschland GmbH
Application: The composition and chemistry of an aluminum foil surface are important to achieve good wettability, bond formation, and durable adhesion on this substrate.

An Innovative Approach to Coloring Adhesives & Coatings

Published: July 1, 2003, By David J. Bentley Jr., RBS Technologies
In the April 2003 issue, this column (Do You Really Want to Color That Adhesive or Coating?) explained that coloring adhesives and coatings often is not

Do You Really Want to Color That Adhesive or Coating?

Published: April 1, 2003, By David J. Bentley Jr., RBS Technologies
Anyone who has been in the converting business and uses adhesives and coatings has at some time or another asked (or heard someone else ask) the question,

Controlling Color Change in Adhesives and Coatings

Published: March 1, 2003, By David J. Bentley Jr., RBS Technologies
The column in this space last month discussed color in adhesives and coatings with emphasis on avoiding color during the manufacture of the products.

Colorful Adhesives and Coatings? Probably Not a Good Idea

Published: February 1, 2003, By David J. Bentley Jr., RBS Technologies
Most people have color preferences. My favorite color is black. Some individuals have very strong feelings about their favorite color. A granddaughter

Controlling Coater Gap Uniformity

Published: November 1, 2002, By Robert Foster and Bryan Manning, Capacitec

Maintaining high levels of accuracy is critical in controlling coater gap uniformity. The role of noncontact thin gap sensors is discussed in in this article.

A Lesson in Amines Used in Water-Based Products

Published: September 1, 2002, By Dr. Richard M. Podhajny, Ph.D., Contributing Editor
One of the key ingredients of many water-based inks and coatings are amines. Amines and ammonia are used in water-based products to control pH required

Redefining Plasticizers in Inks and Coatings

Published: July 31, 2002, By Dr. Richard M. Podhajny, Ph.D. Contributing Editor
The dictionary defines plasticizers as any of various substances added to plastics or other materials to keep them soft or pliable. For the purpose of

Coating Control, Quality, & Paperboard Packaging

Published: May 1, 2002, By Dr. Paul E. Gloor Johnson, Polymer Inc.
It is often forgotten the vast majority of folding cartons are coated with either a water-based or ultraviolet (UV)-cured coating. In fact, most new presses

Got Web Coating Wisdom? AIMCAL's Call for Fall Papers

Published: March 4, 2002, By PRESS RELEASE
The Association of Industrial Metallizers, Coaters, and Laminators (AIMCAL) has issued its annual call for papers for its fall technical conference, which is slated for October 21–23, 2002, at the Hilton Sedona Resort, Sedona, AZ, USA.

Overcoats Offer Protection (and You Don't Have to Button Up)

Published: February 1, 2002, By David J. Bentley Jr., RBS Technologies
Printed paper is a key ingredient in many packages and labels. And whether the printing provides information, graphics, or both, it has to be protected.

Polymers / Laminations / Adhesives / Coatings / Extrusions

Published: November 1, 2001, By David J. Bentley Jr., Editor
Providing practical information to the converting and packaging industries

Making Choices for Coating with a Laminating Adhesive

Published: October 1, 2001, By David J. Bentley Jr., RBS Technologies
Work, like life, is full of choices. Some are major; some are the kind we face every day. Converters laminating two substrates together using an adhesive

Vacumet Makes Metallizing Dreams Come True

Published: September 1, 2001, By Robert W. Marsh, Contributing Editor
The entrepreneurial spirit thrives at Vacumet Corp., feeding on acquisitions, expansions, perseverance, and good timing. What makes a dream come true

TAPPI Polymers, Laminations and Coatings Div. Awards 2002 Klucken Scholarship

Published: September 1, 2001
The Polymers, Laminations and Coatings Division has awarded the 2001 Ralph A. Klucken Scholarship to Shilpa Sankhe, a Ph.D. student in chemical engineering at Clemson University.

So You've Seen a Ghost! Who You Gonna Call?

Published: August 1, 2001, By Richard M. Podhajny, Ph.D., Contributing Editor
Many of us enjoyed watching Bill Murray conquer the ghosts that he encountered in the movie Ghostbusters. So, you ask, what do ghosts have to do with

Polymers/Laminations/Adhesives/Coatings/Extrusions

Published: August 1, 2001, By David J. Bentley, Jr., Editor
Providing practical information to the converting and packaging industries

Polymers/Laminations/Adhesives/Coatings/Extrusions

Published: July 1, 2001, By David J. Bentley Jr., Editor
Providing practical information to the converting and packaging industries

Antimicrobial Additives and Coatings for Food Packaging

Published: June 1, 2001, By Richard M. Podhajny, Ph.D., Contributing Editor
It seems as if every day we hear of some incident associated with food contamination. Recent outbreaks of contamination associated with meat products

The Sweet Smell of Success in Coatings and Adhesives

Published: May 1, 2001, By David J. Bentley Jr., RBS Technologies

Contamination is a frequent cause of odor in adhesives and coatings applied to a substrate. This normally occurs inadvertantly in the facilities of the formulator or at the converting plant.

A Primer on How to Put Substrates Together

Published: March 1, 2001, By David Bentley, Contributing Editor
To extrusion coat, extrusion laminate, or film laminate? If a composite construction is your goal, there is more than one way to get there.

A Communication from the PLACE Div. of TAPPI

Published: January 31, 2001
A Communication from the Polymers, Laminations and Coatings Division of TAPPI.

Conversing on Centuries, Computers, and Converting

Published: January 1, 2001, By David J. Bentley Jr., RBS Technologies
The three words in the title seem to have no relationship or connection. Or do they? As we begin 2001, we start a new century. Since centuries comprise

The Influence of Aluminum Gauge on the Adhesion of Extruded Polyester to Foil Using Adheisve Primers

Published: January 1, 2001, By Richard B. Allen and Bruce Foster, Mica Corp.
Application: Adhesion primers are effective when the thickness of polyester resin extrudate to aluminum substrate thickness exceeds a ratio of 0.7.

Coating Operation Starts a Tradition of Growth

Published: December 1, 2000, By Teresa Koltzenburg, Senior Editor
Venture Coating Technologies, located in what once was a Wisconsin cornfield, is striving to be much more than a budding converting plant. Moving the process along is a slot-die coater assembled by Dri-Tec.

The Case Against Oxidation as a Primary Factor for Bonding Acid Copolymers to Foil

Published: December 1, 2000, By Barry Morris & Naozumi Suzuki, E.I. du Pont de Nemours and Mitsui-du Pont Polyechemicals
Application: Acid copolymers will generally adhere more strongly to foil than low density polyethylene even when processing the acid copolymer at lower temperatures. This reduces the potential for taste, odor, processing, and other problems associated with high temperature processing.

Some Causes of Blocking in Heat Seal CoatingsPart II

Published: November 1, 2000, By David J. Bentley Jr., RBS Technologies
Last month this column covered some causes of blocking when using heat seal coatings. The problem primarily addressed concerned processing conditions

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