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Static Problems with Metallized Webs

(Static-Beat)

May 31, 2015, ... materials. In fact, antistatic layers are often designed into products specifically to dissipate static. And, these antistatic layers having surface resistivities in the 10+8 to 10+11 Ohms/square range ...

Looking Behind the Curtain of Coating

(Coating/Laminating)

May 29, 2015, ... behind the success of a falling curtain of fluid is the dimensionless Weber number- We = ρQV/σ We = Weber number ρ = density Q = volumetric flow rate V = impingement velocity σ = surface ...

Coating Matters | The Effects of Viscoelastic Behavior, Pt. 1

(Coating/Laminating)

May 25, 2015, ... viscoelastic fluids the movement to fill the space is reduced. Self-leveling fluids are like water—you pour them onto the substrate and the water will follow the contours of the surface. Viscoelastic fluids ...

TS Converting Reports Slitter Sales

(News | New Products)

March 09, 2015, ... Elite Cameron precision slitting machines for converters. All of company’s centre surface machines can be run in contact with a driven roll using its soft nip technology or in minimum gap mode for delicate ...

Porous Substrates

(Coating/Laminating)

February 25, 2015, ... contact footprint can have it’s own gap based off capillary and hydrodynamic forces. Curtain coating has historically been utilized for irregular surfaces and can be considered for porous substrates at ...

E-Books

(Uncategorized)

February 21, 2015, ... and package printers. Quality Control in Converting: Best Practices: Quality Control, Surface Treatment, Static Control Diagnosing and solving quality control issues is key to improving the converting ...

Coating, Casting, and Curtains

(Coating/Laminating)

January 29, 2015, ... of slot die from substrate g = gravity U = substrate speed σ = surface energy ρ = density V = volumetric flow through the slot die The advantages of curtain coating include the ability to coat ...

Sharpen your skills at ICE USA 2015

(Static-Beat)

January 28, 2015, ... Coating & Drying, and Slitting & Rewinding. The Coating & Drying track presents 15 seminars, each 30 minutes, on solution delivery, surface treatments, coating methods, defects, drying, inspection systems, ...

Show Preview | ICE USA 2015 Returns to Orlando with Added Features

(Trends/Management)

January 05, 2015, ... with multiple control methods.   MTorres Disenos Industriales (Booth 351) will introduce the TorresWINDER surface rewinder. Designed for web widths to up 100 in. (2,540 mm), diameters up to 87 in. ...

Monadnock to Partner with Smart Planet Technologies

(Label/Tape)

December 31, 2014, ... unique option for demanding wet label applications. Company says cost-effective EarthCoating minerals enhance fiber bonding strength and surface tack with p-s and other adhesives used in beverage labeling. ...

Coating Matters | Multi-Layer Coating

(Coating/Laminating)

December 11, 2014, ... of the fluids. If you imagine trying to layer flow inside the pressurized region of a slot die, the fluids would mix due to turbulent flow. Surface energy of the top layer needs to be lower than the ...

Stepwise Process Fluid Coating

(Coating/Laminating)

November 17, 2014, ... surface tension. Sometimes the fluid itself can overcome an irregular coating application. This self-leveling effect is a function of capillarity. The rate of capillarity and the point that curing occurs ...

Coating Matters | Patch Coating for Precision Fluid Placement, Pt. 2

(Coating/Laminating)

October 20, 2014, ... within the slot die valve system improved head and tail development. In edge effects, whether considering surface tension, film stretching, or die swell, stresses are imparted in the fluid from the slot ...

Coating Matters | Patch Coating for Precision Fluid Placement, Pt. 1

(Coating/Laminating)

September 22, 2014, ... defects. If the surface tension of the fluid and the surface energy of the substrate are not compatible, the start of the coating bead may be delayed or jagged. This would lead to an improper “head" of ...

Fighting Viscous Forces to Improve Fluid Coating Success

(Coating/Laminating)

September 17, 2014, ... is important because laminar flow allows for consistent two dimensional flow analysis and less opportunity for coating defects. The ratio of viscous force to surface tension of a substrate indicates ...

Control Static on a Winding Roll

(Static-Beat)

September 05, 2014, ... control nip facing the web surface that touched the polymer nip roller. With SBSPAN and SBROLL installed, measure EROLL again. Reading EROLL should now be steady and less than ±2 KV/cm. The goal is ...

Show Preview | Labelexpo Americas 2014 Enhances Focus on Package Printing

(Label/Tape)

August 04, 2014, ... beverages. Wet-out performance allows for effective bonding between the film and the bottle’s surface, even with a high degree of surface imperfections. Pairing S7450 with MDO film allows for enhanced ...

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

(Coating/Laminating)

July 21, 2014, ... unit operation for maintaining process stability is essential. Conditions to consider include: the proper amount of moisture for the web machine speed protection of the coated surface from contamination. ...

Slot Die Coating Technology

(Mark's Coating Matters)

July 16, 2014, ... 450 oF. These conditions are not mutually exclusive, as the rheology, surface energy and flow characteristics of each fluid are unique. A slot die can be designed to run an individual fluid, or multiple ...

Converting Headaches? Get Relief at CPP EXPO's PFFC-Sponsored Technical Session

(Trade Shows)

July 13, 2014, ... consistency with conventional preprint and post print more difficult. Find out why. Key Take Aways: 1. Different base CMYK ink hues 2. How inks react differently to various surfaces as well as dry ...