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The Trabant 601 car body is made of Duroplast [1] Duroplast is a composite thermosetting resin plastic developed by engineer Wolfgang Barthel in 1953 [ 2 ] in the German Democratic Republic . [ 3 ] [ 4 ] Its production method places it in a similar family as Formica and Bakelite .
The most commonly produced plastic consumer products include packaging made from LDPE (e.g. bags, containers, food packaging film), containers made from HDPE (e.g. milk bottles, shampoo bottles, ice cream tubs), and PET (e.g. bottles for water and other drinks). Together these products account for around 36% of plastics use in the world.
The stiff homopolymer PVAc, but mostly the softer copolymer, a combination of vinyl acetate and ethylene, vinyl acetate ethylene (VAE), is also used in paper coatings, paint and other industrial coatings, as a binder in nonwovens in glass fibers, sanitary napkins, filter paper and in textile finishing.
In 1855, the first human-made plastic, nitrocellulose (branded Parkesine, patented in 1862), was created by Alexander Parkes from cellulose treated with nitric acid and a solvent. In 1868, American inventor John Wesley Hyatt developed a plastic material he named Celluloid , improving on Parkes' invention by plasticizing the nitrocellulose with ...
POM is a strong and hard plastic, about as strong as plastics can be, and therefore competes with e.g. epoxy resins and polycarbonates. The price of POM is about the same as that of epoxy. There are two main differences between POM and epoxy resins: epoxy is a two-component resin that can be cast, and adheres to everything it touches,
Plastic film is a thin continuous polymeric material. Thicker plastic material is often called a "sheet". Thicker plastic material is often called a "sheet". These thin plastic membranes are used to separate areas or volumes, to hold items, to act as barriers, or as printable surfaces.
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This newest form of molded pulp is the highest quality of thin-walled products available today. The process uses "cure-in-the-mold" technology which produces well defined, smooth-surfaced molded pulp products. After being formed, the product is captured in heated forming molds that presses and densifies the molded products.