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Plastics & Rubber

Displaying 1 to 7 out of 7 "Plastics & Rubber" categories
  1. Elastomers
  2. Fibre
  3. Latex
  4. Plastic Materials
  5. Plastics
  6. Rubber
  7. Rubber Goods

Plastics & Rubber info:

Plastics are a wide variety of synthetic polymers that are delivered usually in form of pellets and can be melted in the heat. The viscous melt can then be formed into a multitude of shapes: Extruded into fibers, films, sheets, tubes or complex profiles or molded into almost any shape imaginable. Depending on the chemistry involved, Thermoplastics are available in a wide range of hardness and heat/light/chemical resistance, so it is no surprise that we find them everywhere in products around us. Plastic parts can be recycled by re-melting. Important materials are polyethylene (PE), polypropylene (PP), polyester (e.g. PET) and polyamide (PA66; “Nylon”).

Rubber can be made out of natural polymers, e.g. latex of the hevea-plant, or a variety of synthetic polymers. However, in order to get a product which shows the typical elasticity, i.e. stretching under stress and immediately recovering without it, the polymer has to undergo a thermal treatment known as vulcanization or cross-linking. The cross-linking is usually done by chemical agents, which have to be mixed into the rubber (amongst other ingredients) prior to the shaping and subsequent vulcanization. A wide variety of rubber polymers are available with different characteristics in terms of mechanical/thermal/chemical stability. Rubber can be found in tires, hose and seals. Because cross-linking is almost irreversible, rubber goods are rather difficult to recycle. Thermoplastic Elastomers do not need vulcanization and are as easy as other plastics to be manufactured into parts; they lack, however, the thermal stability and mechanical resistance of cross-linked rubber.


How Plastic Recycling Equipment Work
This article describes the different types of equipment used in various stages of the plastic recycling process, as well as how these machines function.
Manufacturing Plastic Preforms
This article describes the various techniques used to manufacture plastic preforms for molding operations, as well as the factors involved in preform screen design.
Quality Inspection for Plastic Composite Materials
This article describes some of the common methods used to inspect plastic products and raw plastic materials for defects in their design or mechanical characteristics.
Phenolic Materials Buying Guide
Phenolic resin is a plastic composite material commonly used to manufacture rigid products, such as printed circuit boards.

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White Papers

What is Antimicrobial Materials for Plastic Injection Molding?
Highlighting that usage of antimicrobial materials in plastic injection molding would significantly reduce infection rate, this paper explains the performance of these materials in plastic injection molding processes. It discusses the preventive plans of healthcare acquired infections (HAI), and lists strategies like frontline clinicians,...
A Comparison of the Environmental Attributes of Thermoplastic vs. Thermoset Composites
Stating that aerospace industry has increased the usage of composite structural components, this paper presents thermoplastic composites as most preferable components which reduce the parts cost. The paper compares the advantages of thermoplastics over thermoset composites with respect to cost, process, performance and environmental effects. It...
Specialty Polyphenylene Sulfide (PPS) Compound for New Generations of Fiberoptic Connectors
Discussing about the development of a new linear polyphenylene sulfide (PPS) compound, this paper presents Fortorn 8670A61 advantages such as excellent melt flow, low viscosity, low uniform shrinkage, and minimal moisture uptake. It states that Fortron® 8670A61 is ideal for small form factor connectors, which have twice the density of the current...
Unfilled Liquid Crystal Polymers
Highlighting that unfilled liquid crystal polymers (LCP) have excellent thermal and dimensional stability, and high strength, this paper presents the end-use and processing advantages of LCPs along with the help of a table. It briefly explains how blends and processing aids improve LCPs stiffness, impact resistance, and impermeability, and how LCP...

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