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AWA to Offer Manual for Heat Shrink Sleeve Labels

(Label/Tape)

June 18, 2014, ... force • Inks and coatings • Surface tension of plastic films • Ink adhesion, basic and advanced • Chemical resistance–spot method • Rub resistance of printed UV-cured inks • Ink adhesion under ...

Coating Matters | Everything You Wanted to Know about Coating But Were Afraid to Ask

(Coating/Laminating)

June 17, 2014, ... The criteria that bubble to the surface focus on increased coating speed, thinner coating, more simultaneous layers, reducing defects, and increasing yield. With this multidisciplinary industry, coating ...

Interfacial Dynamics

(Mark's Coating Matters)

June 16, 2014, ... the mathematical functions point to a number of factors that play a role. High on the list is the balance between surface tension and viscosity. If one is a stronger player than the other, the pressures ...

PCI Issues Reports on Stand-Up Pouches

(Bag Pouch)

June 06, 2014, ... on-the-go; • Attractiveness to retailers, including more visible display area with increased printing surface for effective graphics and economies of stacking space by usage in vertical display cabinets. ...

Coating Matters | Stop Defects Before They Start

(Coating/Laminating)

May 26, 2014, ... surface tension, curing requirements) Substrate (thickness, roll length, surface energy, thickness uniformity, quality) Analytical Techniques Always make sure that quality can be measured and agreed ...

Web Lines | Why Is Winding Optimization Difficult?

(Web Handling)

April 21, 2014, ... thermal or moisture expansion, frictional properties, surface roughness, and viscoelasticity. (Winding is getting complicated already.) Tension Control: How is tension created and what is it as every ...

Webex Will Introduce Seamless Vacuum Roll

(News | New Products)

March 25, 2014, ... for thin film, coated substrates, and optical surfaces at ChinaPlas 2014, April 23–26 in Shanghai. The new vacuum roll design incorporates a smooth, ultra-fine, seamless, nickel screen said to provide ...

Defects in Coating

(Coating/Laminating)

March 24, 2014, ... In order to understand the mechanisms for defect formation, you have to understand the fundamentals of the inputs. Substrates may have a surface energy that causes dewetting, rolls may be out of round ...

Web Lines | War on Bagginess

(Web Handling)

February 26, 2014, ... off-line thickness measurement to understand the profile variation in the time span of winding a single roll. Understanding of material properties, including coefficient of friction, surface roughness, ...

Top Five Things To Remember in Fluid Coating

(Coating/Laminating)

February 17, 2014, ... Understanding the coating window requires a comparison of dynamic viscosity, coating profile, slot die design, pressures, substrate speed, surface energy and tension, and forces involved in the adherence ...

Web Lines | The Case for Shorter (and Longer) Acceleration Times

(Slit)

February 04, 2014, ... wear or product abrasion (generating surface contamination and scratching). Rapid acceleration will always be a challenge to closed-loop tension control systems, creating tension transients high ...

Slot Die DOs and DON'T

(Mark's Coating Matters)

January 30, 2014, ... attack angle, die to substrate gap, and lip gap); the critical flow surfaces (both inside and outside the slot die); and the connections between the components and surfaces. Preventive Maintenance With ...

Coating Matters | The 3 Stages of Product Development

(Coating/Laminating)

January 07, 2014, ... the fluids of interest and an understanding of the surface energy and surface tension associated with the fluids and substrates. This system of product first on an existing and stable process coating ...

Coating Matters | Intermittent Coating

(Coating/Laminating)

December 16, 2013, ... air at the fluid/solid interface in coating is critical to reducing defects. If the surface tension of the fluid and the surface energy of the substrate are not compatible, the start of the coating bead ...

Coating Matters | Hot Melt Coating Technology, Part 2

(Coating/Laminating)

November 11, 2013, ... chrome back up rollers. This move was made possible by advances in die positioning systems that prevented die collisions with the non-compliant metallic back-up roller. The hard surfaced chrome rollers ...

Wink Shows New Die-Cutting Tools at Labelexpo

(News | New Products)

October 02, 2013, ... is applied to the flexible die surface by galvano technique, achieving a hardness of approimately 1,200 HV. The MCR coating can be combined with laser hardening and Wink’s non-stick coatings Black, Grey, ...

Multilayer Coating

(Coating/Laminating)

September 23, 2013, ... also come great considerations: complex rheology and flow dynamics, interlayer adhesion and surface tension, possible diffusion, edge effects, and fluid substrate interaction. Depending on the flow calculations ...

Web Lines | Winding Process Fundamentals, Pt. 4

(Web Lines)

September 23, 2013, ... of slit rolls create surface speed variations. When the web sees increasing or decreasing speed, the web strain and stress will follow. Lower than average diameter lanes will have below average tension; ...

Coating Matters | The Wizard Behind the Curtain

(Coating/Laminating)

September 15, 2013, ... surface tension of the fluid. If the edge guides were not available for the fluid to adhere to, the fluid would bead in on itself, making a narrow curtain with thick edges. In essence, the curtain closes. ...

LAB/PILOT/TECHNICAL FACILITIES DIRECTORY

(Uncategorized)

August 31, 2013, ... coated width; 50 fpm max. line speed; any range of thickness; dryer type: single-side impingement; 1 zone; dryer capacity: extreme dryer good to ~140 deg F surface; solvents: water; QC: peel and coat weight ...