Views: 0 Author: Site Editor Publish Time: 2022-02-18 Origin: Site
Some plastic materials, such as fluoropolymers, are UV-stable by nature and can be easily used in outdoor applications. However, most unmodified plastics will eventually become brittle and show changes in appearance when used outdoors. Due to advances in polymer technology, it is now possible to modify plastics that would otherwise degrade rapidly in the outdoor environment using additives, coatings and/or co-extruded surfaces to extend their outdoor life. These reinforced plastic materials have excellent weather resistance and typically provide many years of service in outdoor applications.
This passage is going to talk about the followings of the best plastics for outdoor use:
1) Factors need to consider when choosing outdoor plastic sheet materials
2) Some common plastic sheet materials used for outdoor use
3) Advantages of Polypropylene
The service life of plastic parts in an outdoor environment depends on many factors, including:
Latitude (north-south location on the earth)
Climate (operating temperature range and the presence of humidity)
The orientation of the part relative to the sun
Part geometry
Color of the material
Mechanical stress on the part
All of these are important considerations when selecting plastic materials for outdoor applications.
Polycarbonate - Polycarbonate has better impact resistance than acrylic and is typically used where transport and installation durability is required. Polycarbonate is also preferred for signs that will be installed in areas with a high potential for vandalism.
Acrylic - Acrylic generally has better optical properties than polycarbonate materials.
Chip-removing olefin - Plastic sheets are inexpensive and easy to print. They are ideal for yard signs, including real estate signs and election signs for short-term outdoor use.
Polypropylene (PP) is a thermoplastic "addition polymer" made from a combination of propylene monomers. It is used in a variety of applications, including consumer packaging, plastic parts for various industries such as the automotive industry, specialty equipment such as moving hinges, and textiles. Polypropylene was first polymerized in 1951 by a pair of Phillips Petroleum scientists named Paul Hogan and Robe, rt Banks, and later by Italian and German scientists Natta and Rehn. Less than three years after it was first polymerized by Italian chemist Professor Giulio Natta, it became outstanding at a tremendous rate as commercial production began. Natta perfected and synthesized the first polypropylene resin in Spain in 1954, and polypropylene's ability to crystallize generated a great deal of interest. By 1957, its popularity surged and widespread commercial production began throughout Europe. Today, it is one of the most commonly used plastics in the world.
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