Uses of Plastics - Plastics Information on PlastixportalExplaining the uses of plastics- plastic raw materials, machinery, processes and more.
Explaining the uses of plastics- to cover plastic raw materials, machinery,
and processes: Companies may feel free to add information here please
(companies are invited to offer explanations of plastic terms in all categories - not yet explained here)
USES: Bottles (up to 25 ltr), Sheet, Geomembranes, Injection moulded articles, Bags
USES: Stationery Items & Pens, Medical Items & Petri-Dishes,
Stationery Items, Fridge Liners, Toys, Picture Frames, Cutlery, Packaging
Disposable Food Containers, Protective Packaging
Yoghurt Cups and Margarine Tubs, Appliances, Furniture Components, Automotive Components, Household Goods
Swimming Pool Parts, Appliance Components.
PA6(Nylon 6 unfilled & glass filled
PBT(unfilled and glass filled)
Barrier Packaging, Fishing Line, Furniture Components, Automotive Components,
Industrial Components, Industrial Appliance Components
Number Plates, Roof Sheeting, Promotional Items
Gears, Automotive Components
Roof Sheeting, Swimming Pool Components, Plugs, Protective Gear
Electrical Appliances, Castor Wheels
Still and Carbonated Drink Bottles
Airbag Covers, Over Moulded Grips, Gaskets, Medical Components, Sports Equipment
Automotive Components, Appliances
Ear Tags, Mining Screens, Conveyor Belts, Footwear
Speciality Polymers & Products
Easy Peel Adhesive
Polymer Performance Enhancers
Barrier Packaging in Cheese, Processed Meats, Medicine, Cosmetic Packaging
Tie Layer used in Barrier Packaging
Easy Peel Seal used in confectionary, yoghurt, condiments, etc , Packaging
Add to Polymers to increase strength, impact strength, cold temperature performance, chemical resistance, etc.
5 - Layer Barrier Films, PET Film, BOPP Film
Appliances, Cookware Handles, Toilet Seats, Industrial Components
Additives for Plastics
1 Pack Stabilizers
Waxes and Lubricants
Information Courtesy of Protea Polymers
Uses of Foam Products:
These materials include low density flexible foam used in upholstery and bedding, low density rigid foam used for thermal insulation, soft solid elastomers used for gel pads and print rollers, and hard solid plastics used as electronic instrument bezels and structural parts. Polyurethanes are widely used in high resiliency flexible foam seating, rigid foam insulation panels, microcellular foam seals and gaskets, durable elastomeric wheels and tires, electrical potting compounds, high performance adhesives and sealants, Spandex fibers, seals, gaskets, carpet underlay, and hard plastic parts.
Production of Foams:
The main polyurethane producing reaction is between a diisocyanate (aromatic and aliphatic types are available) and a polyol, typically a polypropylene glycol or polyester polyol, in the presence of catalysts and materials for controlling the cell structure, (surfactants) in the case of foams. Polyurethane can be made in a variety of densities and hardnesses by varying the type of monomer(s) used and adding other substances to modify their characteristics, notably density, or enhance their performance. Other additives can be used to improve the fire performance, stability in difficult chemical environments and other properties of the polyurethane products. Though the properties of the polyurethane are determined mainly by the choice of polyol, the diisocyanate exerts some influence, and must be suited to the application. The cure rate is influenced by the functional group reactivity and the number of functional isocyanate groups. The mechanical properties are influenced by the functionality and the molecular shape. The choice of diisocyanate also affects the stability of the polyurethane upon exposure to light. Polyurethanes made with aromatic diisocyanates yellow with exposure to light, whereas those made with aliphatic diisocyanates are stable. Softer, elastic, and more flexible polyurethanes result when linear difunctional polyethylene glycol segments, commonly called polyether polyols, are used to create the urethane links. This strategy is used to make spandex elastomeric fibers and soft rubber parts, as well as foam rubber. More rigid products result if polyfunctional polyols are used, as these create a three-dimensional cross-linked structure which, again, can be in the form of a low-density foam. An even more rigid foam can be made with the use of specialty trimerization catalysts which create cyclic structures within the foam matrix, giving a harder, more thermally stable structure, designated as polyisocyanurate foams. Such properties are desired in rigid foam products used in the construction sector. Careful control of viscoelastic properties - by modifying the catalysts and polyols used -can lead to memory foam, which is much softer at skin temperature than at room temperature. There are then two main foam variants: one in which most of the foam bubbles (cells) remain closed, and the gas(es) remains trapped, the other being systems which have mostly open cells, resulting after a critical stage in the foam-making process (if cells did not form, or became open too soon, foam would not be created). This is a vitally important process: if the flexible foams have closed cells, their softness is severely compromised, they become pneumatic in feel, rather than soft; so, generally speaking, flexible foams are required to be open-celled. The opposite is the case with most rigid foams. Here, retention of the cell gas is desired since this gas (especially the fluorocarbons referred to above) gives the foams their key characteristic: high thermal insulation performance. A third foam variant, called microcellular foam, yields the tough elastomeric materials typically experienced in the coverings of car steering wheels and other interior automotive components.
Information Courtesy of http://en.wikipedia.org
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