Coating Solution Preparation

10/29/2008

AIMCAL Fall Technical Conference October 2008

AIMCAL Fall Technical Conference
October 2008
Edward Cohen
The AIMCAL Fall Technical Meeting was help in October in Myrtle Beach,
NC. It provided a forum for the exchange of Information between
technical personnel in the web coating Industry. Technical papers were
presented in four sessions as follows:
• Environmental Responsiveness
• Web Coating & Laminating
• Vacuum Web Coating
• EmergingT echnologies
• Advances in Web Coating Technology
In addition there were table to exhibits, which also provide an
opportunity for additional technical discussions.

I found all of the presentations were useful and relevant to the technology of importance
to the Converting Industry. While the Coating process is sold, there is
still a a lrge amont of new technology that is being developed.

Wide ranges of topics were discussed, energy concerns, coating methods, slitting,
barrier layers, Coating hardware etc.

The following are the titles and a summary of some of the key
presentation. Details of the papers and contact information can be
found in the Conference Proceedings available from AIMCAL.

A Paradigm Shift In Knife Holder Slitting Technology
David Rumson
Sigmala, USA

Conventional slitting systems, consisting of mechanically
mounted and pneumatically activated knife holders (Mech/Pneu) have been
in existence for approximately 60 years. Although shear knife holder
and positioning systems have advanced during this time, there are some
basic operating requirements that remain limited in efficiency and
usefulness relative to today’s computer controlling capabilities. This
paper will present a basic overview of the physical operating
differences of Mech/Pneu holders and Servo Motor-Computer Controlled
holders (Serv/Com).

Application Of Surface Analysis For Root Cause Failure Analysis
David Cole
Evans Analytical Group

X-ray Photoelectron Spectroscopy (XPS) and Time-of-Flight Secondary
Ion Mass Spectrometry (TOF-SIMS) are valuable analytical techniques in
determining the rooot cause of failure in multilayer films.

Breaking Thru A Paradigm:New Technology For Coating And Laminating
Mike Budai
TW Dynatec

The purpose of this presentation is to break thru a paradigm in
laminating nonwovens, textiles, and composites. This paper will present is to
introduce the latest technologies in coating and laminating utilizing
hot melt polymers.

Reducing Changeover Time on a Coating Line,
Larry Gogolin
Gogolin & Associates

This paper will cover the steps to consider in establishing a reduction in the changeover time. It will look at planning, data collection, analysis and what to do with this
information.

Optimizing Mix Performance”
Ken McCarthy

This paper presents a discussion of mixing time and its importance to
coating operations.

Stay Ahead of Static Problems in Film Conveyance
Kelly Robinson,
Electrostatic Answers LLC

Demands for static control in film conveyance are increasing because
products are more complex and sensitive to static discharges. Four keys
to staying ahead of static problems in web conveyance are presented T
he implementation of these four recommendations for a typical coating
operation is presented.

Primerless Heat Seal Coatings for Film Substrates
Virginia Cushing &Robin Cooper
Michelman

This paper presents a single pass, aqueous heat seal coating which
exhibits excellent hot tack and a wider operating window as compared to
conventional heat seal coatings and common extruded sealants.

Increasing Energy Efficiency in the Web Coating Process
Edward Cohen, Dan Bemi Megtec

This paper focuses on reducing energy consumption, by modifying the
overall coating process and to utilizie renewable resources in their
production in order to remain competitive in this climate of rising
energy costs.

Intelligent Process Cooling: Saving Money, Protecting the
Environment
& Curing Process Headaches
Steven Petrakis
Frigel

Process cooling with ambient air, closed loop cooling systems can save
up to 25% on energy and water consumption in addition to eliminating chemical
evaporation and the disposal of contaminated waste water.

Nanoparticulate Barrier Films and Gas Permeation Measurement Techniques
for Thin Film Solar and Display Applications
Senthil Ramadas*, Shwe Zin Ma, Mark Auch, Chua Soo Jin
Institute of Materials Research and Engineering.

This paper presents innovative approach to resolving the ‘pore effect’
by literally plugging the defects in the barrier oxide films using
nanoparticles. The nanoparticles used in the barrier stack have a dual
function – not only sealing the defects but also reacts with moisture
and oxygen. The result is an achievement of moisture barrier
performance of better than 10-6g/m2/day that surpasses the ideal
requirements needed for flexible applications,

06/03/2008

Effective Networking, A Path Through The Information Overload

                        Effective Networking, A Path Through The Information Overload
                                            Edward Cohen

Even though we live on large planet, with large physical dimension (a Volume of 1.0832073_1012 km_ and a  Mass of 5.9736_1024 kg); technologies such as the Internet, Information Sciences, World Wide Web, rapid digital communications ,easily accessible databases and search engines have made it a very small world. It now possible to instantly communicate with persons all over the world and to obtain technical information from most countries, businesses and Universities.

Continue reading "Effective Networking, A Path Through The Information Overload" »

04/25/2008

The Importance of Coating Process Support Systems

                             The Importance of Coating Process Support Systems
                                            Edward Cohen


Ongoing technical projects are needed to improve the quality, cost & productivity of a coating line in order to remain competitive and rapidly develop new products. There are several important considerations when developing and identifying coater needs and deciding on the most effective programs too work on. These are:

Continue reading "The Importance of Coating Process Support Systems" »

01/30/2008

AIMCAL CONVERTING SCHOOL COURSE

The AIMCAL Converting school is sponsoring a course Coating Solution Process Technlogy. The course outline is below. For more details and to register go www.AIMCAL.org.

                             SOLUTION PROCESS TECHNOLOGY
                             Cohen, PhD, Edward Cohen Consulting, Inc.
                            Kenneth McCarthy, PhD,  Clean Room Coating Solutions

Continue reading "AIMCAL CONVERTING SCHOOL COURSE" »

01/25/2008

CEMA Coating & Laminating Fundamentals

AIMCAl & CEMA will be sponsoring a Seminar on Coating & Laminating. The schedule is below. For more information and to register go to
        www.AIMCAL.ORG

Continue reading "CEMA Coating & Laminating Fundamentals" »

01/21/2008

Continuing Education Courses.

The Association of Industrial Metallizers, Coaters and Laminators (AIMCAL) is sponsoring several continuing education courses in Converting Process Technology in 2008.

Continue reading " Continuing Education Courses." »

06/24/2007

Importance of Solution Properties in Web Coating Process Quality

Link: . Importance of Solution Properties in Web Coating Process Quality Edward Cohen 
Importance of Solution Properties in Web Coating Process Quality
Edward Cohen

The properties of the coating solution(s) are critical factors for the reproducible ongoing production of a high quality low cost web coated product. The ability of the coating applicator to uniformly and reproducibly apply coating, final coating quality, physical defects, coater operability and many surface features of the coated product critically; all depend upon the rheological properties, stability and purity of the coating solution.  In addition, if the solution does not meet all the requirements of the coating application and drying process and is defective in any way, none of the subsequent process steps can correct these deficiencies and a defective product will result.

Continue reading "Importance of Solution Properties in Web Coating Process Quality" »

03/06/2007

One Thing to Optimize Process

A question that is often asked about the Web Coating Process is “ What are the one or two most critical areas of the process that I should concentrate on to obtain a coated product with high quality and low cost?”. A possible basis for this question can be found in an interchange in the 1991 movie “City Slickers”, between Billy Crystal and Jack Palance

Continue reading "One Thing to Optimize Process " »

11/29/2005

The Role of Contract Coaters

Contract Coater, also called Toll Coaters, are a very important part of the converting industry.  They specialize in manufacturing web coated products for other companies and have a wide range of coating, drying process and slitting equipment and significant expertise in these areas. Their technical capabilities include:
    • mixing and filtration equipment and technologies 
    • availability  and expertise in a wide range of coating techniques,
    • drying technology
    • optimizing process for quality, high yield and low cost
    • specialized web coating testing capability and testing capability.

In terms of facilities they have process capability from pilot plant coaters to full-scale manufacturing.

There are several technical and economic reasons for companies and laboratories who are using or will need to produce web coated products to consider the use of contract coaters.

Continue reading "The Role of Contract Coaters" »

08/02/2005

Top Ten List for Coating Success

I enjoy reading top ten lists. They convey information in a clear concise manor and are a widely used communications tool. Also, I am a David Letterman fan and I enjoy his top ten list comedy routines. There are top ten lists on a wide variety of topics:

Sadly, there is not a Top Ten List for Coating Success. Therefore, I have prepared one to fill the obvious gap in the literature.

Continue reading "Top Ten List for Coating Success" »

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Contributing Authors

  • Dan Bemi
    Regional Sales Manager, MEGTEC Systems
  • Edgard D. Gutoff
    Gutoff Consulting
  • Prof. Hadj Benkreira
    University of Bradford, England
  • Rory Wolf
    Enercon Industries
  • Werner F. Goeckel
    ISRA Surface Vision