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Difficult Winding: Part II

(Web Lines)

August 31, 2006, ... isn't uniform, the web will shear and buckle, creating a defect called slip knots commonly seen in uncoated, smooth films. My advice on these three winding challenges (isotropic modulus, large buildups, ...

Pack Expo Presentation Highlights Improvements for Packaging Lamination

(Archive)

July 31, 2006, ... adhesion performances similar or better than solvent-based urethane adhesives. Specifically, water-based acrylic adhesives exhibited good performance in all areas tested, including shear resistance, adhesion ...

New Products, Part 2

(Magazine)

May 30, 2006, ... Knives Lund Precision Products, Hudson, MA; 978/562-4444; lundonline.com BrazeCoat ultra-high-density carbide coating can be applied to shear bars (stationary knives) to improve wear resistance and service ...

Reporter Clips

(Magazine)

May 30, 2006, ... bonding applications in transportation and appliance industries requiring insulation and sound reduction. Tape features a high-tack, high-peel, moderate shear rubber-based adhesive coating on the liner ...

A Communication from the PLACE Div. of TAPPI

(Magazine)

April 29, 2006, ... been previously investigated. PPAs condition faster in narrow die gaps compared with wider die gaps indicating that the PPA coating mechanism is partly dependent on the shear rate at the die wall at least ...

Optimize Slitter Performance

(Archive)

March 12, 2006, ... Reinhold Schable will describe the fundamentals and latest elements of shear slitting processes and provide an interactive Q & A session. To register for this free event, visit maxcessintl.com/eseminar. ...

Slitting New Product Digest

(Magazine)

February 27, 2006, ... between modes. The unit slits down to a minimum width of 20 mm when using razor and 30 mm with rotary shear knives. SUPPLIER INFO: Ashe Converting Equipment—ashe.co.uk Knife Holder Aids ...

A Communication from the PLACE Div. of TAPPI

(Magazine)

January 30, 2006, ... to appear rough with diminished physical and optical properties. Typically, melt fracture occurs when polymer melt is forced to flow through narrow die chambers at elevated shear stress levels. Traditionally ...

Slitting & Rewinding Fundamentals for Converters

(Archive)

October 31, 2005, ... PFFC columnist, Tim Walker. Topics include: Winding Techniques Specifying a Slitter/Rewinder/Salvage Rewinder Winding Defects Machine Safety Shear Slitting—Refining the Process Crush Slitting ...

A Communication from the PLACE Div. of TAPPI

(Magazine)

October 30, 2005, ... correlate haze with overall melt elasticity in terms of recoverable shear strain were unsuccessful. The reason is that the mechanism by which surface roughness has been modified by the presence of LDPE ...

To Serve & Protect

(Magazine)

October 30, 2005, ... is formed. Avoid high shear so you can achieve maximum stability. Use only recommended application techniques: reverse gravure, smooth roll Mayer rod, fountain-less gravure with smoothing rollers, or ...

Narrow Web New Products

(Magazine)

October 30, 2005, ... printing offers nonstop unwinding technology. Patented rolling shear splice unit guarantees a clean cut, no overlap, and a tight bond. Tension control system features inertia compensation for consistent, ...

RFID: The Next Generation

(Magazine)

September 29, 2005, ... sounds insane. So 20 to 40 percent really scares them off, ” says Cerc. “Everybody expected 2005 would be the year when huge volumes would be produced…and it hasn’t happened. So it becomes a little disheartening ...

New Products

(Magazine)

August 30, 2005, ... is capable of handling several different types of films and laminates. Reported benefits include a high degree of automation; reduced roll changeover time; shear and razor slit options; independent tension ...

A Communication from the PLACE Div. of TAPPI

(Magazine)

July 30, 2005, ... filled polymer. This paper is a contribution to the quantitative description of the rheology of glass-fiber-filled polypropylene melts. The effect of shear rate, melt temperature, and fiber concentration ...

PRINT & CONVERTER 05 New Product Digest

(Magazine)

June 29, 2005, ... of guns simultaneously. High flow rates allow use of lower pressure, reducing risk of adhesive shearing. Visit booth 224. Control Static with Consistent Voltage Simco Industrial Static Control, ...

Materials

(Magazine)

June 29, 2005, ... sealant in traditional paper/PE/foil/PE structures. Said to save converters time and money by eliminating the sealant extrusion coating step. Film has a low shear storage modulus that provides increased ...

Concave Rollers Pros & Cons

(Magazine)

June 29, 2005, ... than one–two layers, apply the tape in a tapering stepped profile. Too severe of a step from the tape collar to the untaped roller will create a high shear and a wrinkle-inducing roller profile. If ...

Converting Industry News

(Magazine)

June 29, 2005, ... roll loading; shear and razor slitting options; independent tension control for each rewind shaft; automatic stop for diameter, length, or printed indicators; and more. В сфере органического земледелия ...

A Communication from the PLACE Div. of TAPPI

(Magazine)

May 30, 2005, ... adhesion of a dispersed phase toward the matrix with reference to the peel quality obtained at an interface. Polybutene-1 is a polymer with an intrinsic high shear sensitivity and low heat of fusion ...