Description In spite of extensive efforts, material weathering testing still requires improvement. This book presents findings and opinions of experts
in material degradation testing. The aim is to improve testing methods and procedures. Materials are presented to show that photochemical
degradation rate depends on a combination of environmental factors such as UV radiation, temperature, humidity, rain, stress, and concentration
of reactive pollutants.
The potential effect of each parameter of degradation on data gathered is discussed based on known results
from a long experience in testing. This book contains data obtained in laboratories of the largest manufacturers of UV stabilizers and
chemical companies that manufacture durable materials. The book gives details of testing procedures and choice of parameters of exposure
which are crucial for obtaining laboratory results correlating with environmental performance of materials.
In addition to exposure
conditions, the book contains many suggestions on sample preparation and post-exposure testing. The effective use of these methods shortens
testing time of materials and determines acceleration rate of testing. The book also gives examples of complete, well-designed weathering
experiments which may be used as patterns for selection of parameters and techniques for new studies. The areas of research that still
require more attention in future studies are clearly indicated.
Audience
Engineers, researchers and technicians in the plastics industry.
Contents o Preface
o Basic Parameters in Weathering Studies
o Choices in the Design of Outdoor Weathering Tests
o A Comparison of New and Established
Accelerated Weathering Devices in Aging Studies of Polymeric Materials at Elevated Irradiance and Temperature
o Current Status of Light
and Weather Fastness StandardsuNew Equipment Technologies, Operating Procedures and Application of Standard Reference Materials
o Weatherability
of Vinyl and Other Plastics
o Aging Conditions' Effect on UV Durability
o Molecular Weight Loss and Chemical Changes in Copolyester Sheeting
with Outdoor Exposure
o Fourier Transform Infrared Micro Spectroscopy: Mapping Studies of Weather PVC Capstock Type Formulations
II:
Outdoor Weathering in Pennsylvania
o Effects of Water Spray and Irradiance Level on Changes in Copolyester Sheeting with Xenon Arc Exposure
o Hot Water Resistance of Glass Fiber Reinforced Thermoplastics
Surface Temperatures and Temperature Measurement Techniques on the Level
of Exposed Samples during Irradiation/Weathering in Equipment
o Infrared Welding of Thermoplastics: Characterization of Transmission
Behavior of Eleven Thermoplastics
o Infrared Welding of Thermoplastics
o Colored Pigments and Carbon Black Levels on Transmission of
Infrared Radiation
o Predicting Maximum Field Service Temperatures from Solar Reflectance Measurements of Vinyl
o Residual Stress Distribution
Modification Caused by Weathering
o Residual Stress Development in Marine Coatings under Simulated Service Conditions
o Balancing the
Color and Physical Property Retention of Polyolefins Through the Use of High Performance Stabilizer Systems
o Activation Energies of
Polymer Degradation
o Failure Progression and Mechanisms of Irradiated Polypropylenes and Other Medical Polymers
o Chemical Assessment
of Automotive Clearcoat Weathering
o Effect of Aging on Mineral-Filled Nanocomposites
o The Influence of Degraded, Recycled PP on Incompatible
Blends
o Interactions of Hindered Amine Stabilizers in Acidic and Alkaline Environments
o Interactions of Pesticides and Stabilizers
in PE Films for Agricultural Use
o The Influence of Co-Additive Interactions on Stabilizer Performance
o New High Performance Light Stabilizer
Systems for Molded-in Color TPOs: An Update
o Stabilization of Polyolefins by Photoreactive Light Stabilizers
o Effect of Stabilizer
on Photo-Degradation Depth Profile
o New Light Stabilizer for Coextruded Polycarbonate Sheet
o Ultraviolet Light Resistance of Vinyl
Miniblinds
o Reaction Products Formed by Lead in Air
o Case Studies of Inadvertent Interactions between Polymers and Devices in Field
Applications
o Automotive Clear Coats
o Index
Bibliographic details
Hardbound, 330 pages, publication date: DEC-1999
ISBN-13: 978-1-884207-75-4
ISBN-10: 1-884207-75-8
Imprint: WILLIAM ANDREW
Price and Ordering
Price: USD 210 GBP 126.99 EUR 149.95
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