Effects of climate change and UV-B on materials

AL Andrady, HS Hamid, A Torikai - Photochemical & Photobiological …, 2003 - Springer
The outdoor service life of common plastic materials is limited by their susceptibility to solar
ultraviolet radiation. Of the solar wavelengths the UV-B component is particularly efficient in …

Stabilization effect of lignin in polypropylene and recycled polypropylene

A Gregorová, Z Cibulková, B Košíková… - Polymer Degradation and …, 2005 - Elsevier
The influence of lignin on the oxidative stability of polypropylene (PP) and recycled
polypropylene (recPP) plaques has been examined by differential scanning calorimetry …

The effect of metals on thermal degradation of polyethylenes

LM Gorghiu, S Jipa, T Zaharescu, R Setnescu… - Polymer Degradation …, 2004 - Elsevier
A chemiluminescence study on thermal degradation of some polyethylenes (LDPE, LLDPE,
HDPE, UHMWPE) on seven metal trays in the presence of triazines as stabilisers was …

Radical scavenging capacity of lignin and its effect on processing stabilization of virgin and recycled polypropylene

A Gregorova, B Košíková… - Journal of applied polymer …, 2007 - Wiley Online Library
The radical scavenging capacity of lignin was determined using spectrophotometric method
by means of scavenging of the free radical 2, 2‐diphenyl‐1‐picrylhydrazyl (DPPH•) and …

Tensile properties of polypropylene fibers

E Richaud, B Fayolle, P Davies - Handbook of properties of textile and …, 2018 - Elsevier
As soon as it appeared on the market, half a century ago, polypropylene appeared as a
promising fiber-forming polymer but with some difficulties in processing due to a lack of …

Kinetic modeling of polypropylene thermal oxidation during its processing by rotational molding

S Sarrabi, X Colin, A Tcharkhtchi - Journal of Applied Polymer …, 2010 - Wiley Online Library
The main drawback of rotational molding is a long stay (several dozens of minutes) of
polymer in melt state at high temperature in atmospheric air. To prevent any significant …

Impact of oxygen transport properties on polypropylene thermal oxidation, part 1: Effect of oxygen solubility

A François‐Heude, E Richaud… - Journal of Applied …, 2015 - Wiley Online Library
ABSTRACT A general kinetic model is proposed to describe the polypropylene thermal
oxidation of thin polypropylene films in a wide range of temperatures (from 60 to 200° C) and …

Chemiluminescence investigation of thermo-oxidative degradation of polyethylenes stabilized with fullerenes

S Jipa, T Zaharescu, B Gigante, C Santos… - … degradation and stability, 2003 - Elsevier
The stabilization effect of various carbon materials:[C60] fullerene, three adducts with
levopimaric acid, two sorts of carbon black and nanocarbon on HDPE, LDPE and LLDPE …

Effect of calixarenes on thermal stability of polyethylenes

S Jipa, T Zaharescu, R Setnescu, T Setnescu… - … degradation and stability, 2003 - Elsevier
The thermal degradation of some polyethylenes (one type of high density PE and two of low-
density) was studied by isothermal chemiluminescence. Each polymer was stabilized by one …

Influence Analysis of Modified Polymers as a Marking Agent for Material Tracing during Cyclic Injection Molding

T Eggers, SM Blumberg, F von Lacroix, W Berlin… - Materials, 2023 - mdpi.com
Injection molding (IM) is already an established technology for manufacturing polymer
products. However, in the course of the increased use of recyclates for economic and …