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Static Beat | How To Eliminate Hot Rolls

(Static-Beat)

January 16, 2012, Neutralizing static when unwinding a hot roll is difficult and almost always ineffective. So, what can be done? “Hot rolls” cause many static complaints. Winding a polymer web with static creates a hot ...

Web Lines | Blocking in Rolls

(Web Handling)

January 12, 2012, ... finely milled calcium carbonate or silicon dioxide slip agents in low percentages to the polymer resin. In extrusion or biaxial orientation, the small mineral particles create an engineered roughness to ...

Why do I have these bubbles in my finished product?

(Tom’s Poly Ploys)

January 02, 2012, ... empty space that should be occupied by a mass of material.  With regard to extrusion, entrapped air in the feed section of the screw and polymer degradation are the main culprits behind voids.  In addition ...

Pressroom Hand Cleaner from Burnishine Is Easy on Skin

(News | New Products)

December 14, 2011, ... says it is made with soft polymer scrubbers that remove inks and other materials without irritating open wounds or scratches yet rinses clean quickly. Also will not separate in hot climates and will not ...

Eastman Copolyester Provides Easy Label Removal, Saves Materials

(Label/Tape)

November 27, 2011, The benefits of Embrace HY resins for shrink body labels include high printability, sustainability, and noise-free film. KINGSPORT, TN | Embrace HY copolyester resins from Eastman Chemical Co. are ...

Static Beat: Beat Winter Static

(Static-Beat)

November 22, 2011, ... polymer surfaces on drive, nip, cleaning, spreader, and lay-on rollers often are sources of sparks because static can accumulate on the surfaces of these rollers. To prevent these sparks, clean these rollers ...

Some Thoughts on Purging

(Tom’s Poly Ploys)

November 09, 2011, ... of carbon, color concentrates, or any other additive used in the process. Various “purge compounds”, such as DuPont’s 6611, are commercially offered that purportedly abrade and scour polymer flow surfaces, ...

Things have settled down

(Tom’s Poly Ploys)

November 07, 2011, A lot has happened since my last post, including teaching many extrusion and polymer chemistry classes around the country, traveling, consulting, visiting friends and family, getting a sun tan and enjoying ...

Fluid Coating & Extrusion Coating: What Is the Difference?

(Adhesive Coating)

November 03, 2011, ... an extruded polymer. Pellets of a given polymer are compounded in an extruder and processed to the extrusion die. The extrusion die is positioned above a substrate, and the polymer melt (fluid) is cast ...

Adhesives Offered For Flexo

(Inks/Coatings/Primers)

July 31, 2011, Flex line of permanent, removable, and repositionable water-based adhesives enables printers to run adhesives on their flexo equipment. The line includes Flex line of permanent, removable, and repositionable ...

New Material-Neutral Organization Focuses on Packaging & Environment

(Trends/Management News)

July 14, 2011, ... ConAgra Foods, Dow Chemical Co., DuPont Packaging & Industrial Polymers, Kellogg Co., MeadWestvaco, Procter & Gamble, Sealed Air Corp., and Tetra Pak Inc. AMERIPEN’s function is to advocate packaging ...

DuPont Awards: Sustainability, Waste Reduction Drive Winners

(Trends/Management News)

July 04, 2011, DuPont Packaging & Industrial Polymers , Wilmington, DE, announced winners in the 23rd DuPont Awards for Packaging Innovation representing breakthrough developments from brand giants such DuPont Packaging ...

Multilayered Solutions: One Stop Shop

(Print)

June 30, 2011, For more than 25 years, ITW Covid Security Group (a wholly owned sub. of Illinois Tool Works Inc.) has been engaged in the development of polymer-based For more than 25 years, ITW Covid Security Group ...

Plates Reduce Dot Gain

(Prepress)

June 30, 2011, Developed for wide web flexible packaging printing with solvent-based inks, the nyloflex FAM digital photopolymer printing plate is medium hard and said Developed for wide web flexible packaging printing ...

Printhead Combo Offers Economy

(Digital)

May 31, 2011, ... and sheet polymer manufacturing applications. Printhead has the capability of imaging spot sizes as small as 3.5 picoliters and resolutions to 2,880 dpi. Jetsetter Imaging Systems | 770-664-6624 | ...

Static Beat: Surface Resistivity Testing

(Static Elimination)

May 31, 2011, ... dissipate static, we need to provide a conductive path to ground. However, making an insulating polymer even a little bit conductive is a big challenge. One good strategy comes from realizing that static ...

FTA Gets Flexo Engines Started at Forum/Info*Flex

(Flexography)

May 31, 2011, ... senior technical advisor at Flint Group, Charlotte, NC, covered printing with ultra-thin (0.030 in.) plates, which consist of 0.007 in. of backing and 0.023 in. of polymer. Although not new, these plates ...

Michelman Expands Corrugated Chemicals Distribution

(Coatings)

May 15, 2011, ... a global developer of water-based barrier and functional coatings for flexible film packaging, paperboard, and corrugated cartons; and water-based surface modifiers, additives and polymers for numerous ...

FTA Gets Flexo Engines Started at Forum/Info*Flex

(Flexography)

May 03, 2011, ... advisor at Flint Group, Charlotte, NC, gave a presentation that covered printing with ultra-thin (0.030 in.) plates, which consist of 0.007 in. of backing and 0.023 in. of polymer. Although not new, ...

Make Peelable Lids

(Flexpack)

April 30, 2011, Appeel 22D843 lidding solution is said to provide an easy and effective way to make peelable lids for retortable PP packages. Sealant resin is pellet-blended Appeel 22D843 lidding solution is said to provide ...