TAPPI Inspection Charts
TAPPI Connect is your centralized networking & collaboration tool.
My TAPPI Story: Naomi Gehling
Poly(lactic acid) is modified using peroxide reactions to increase the molecular weight distribution and degree of branching. This results in substantial increases in melt elasticity which allows an otherwise
linear low melt strength polymer to run well on commercial extrusion coating lines. Results show that peroxide level is the most important variable in increasing swell ratio and Mz/Mn. When extruded at high throughputs, PLA with swell ratios greater than about 1.4 with Mz/Mn of at least about 7 show little neck-in and no edge weave than non-modified PLA and can reach much higher line speeds and, therefore, lower coat weights .
Experience the Power of Publications in 2026
Sponsored by the Recovery Boiler Program R&D Subcommittee of the American Forest & Paper Association (AF&PA) and published by TAPPI Press.
The best-selling text to introduce the entire technology of pulp and paper manufacture.
A project of the Yankee Dryer Safety & Reliability Committee.
TAPPI Press offers some of the most in-depth resources and references for the forest products and related industries.
Available for Purchase – Conference Proceedings
TAPPI maintains a record of key conference papers, presentations, and other conference publications, available for purchase in a variety of formats.
Branching of Poly (Lactic Acid) to Increase Melt Strength for Extrusion Coating, 1997 Polymers, Lami