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Alternately, resin casting may be accomplished with a resin plus a nearly equal amount of a "hardener" liquid (as in many epoxy resin or polyester resin systems), which functionally contains a second polymer, for use in forming a final product plastic which is a copolymer. Copolymers contain two different alternating chemical entities in the ...
Plastisol is used for slush molding or slush casting, a form of spin casting that is more complex than simple resin casting, but less expensive and less sophisticated than the injection molding used for most plastic products. It involves metal molds that are filled with liquid plastisol.
The glass sample vial of the corrosive and poisonous liquid has been cast into an acrylic plastic cube. Methyl methacrylate "synthetic resin" for casting (simply the bulk liquid chemical) may be used in conjunction with a polymerization catalyst such as methyl ethyl ketone peroxide (MEKP), to produce hardened transparent PMMA in any shape, from ...
Synthetic casting "resin" for embedding display objects in Plexiglas/Lucite is simply methyl methacrylate liquid, into which a polymerization catalyst is added and mixed, causing it to "set" (polymerize). The polymerization creates a block of PMMA plastic ("acrylic glass") which holds the display object inside a transparent block.
As a result, new products and processes are readily developed and implemented, facilitating cost-effective creation of very feature rich and complex catheters. Since the 1990s, Avalon Laboratories and Piper Plastics Corp. have aggressively pioneered polymer solution casting technology, focusing on complex medical devices.
[15]: 172–174 Blocks or rods of cast resin, also known as "artificial amber", were machined and carved to create items such as pipe stems, cigarette holders, and jewelry. [15] [16] However, the demand for molded plastics led the company to concentrate on molding rather than cast solid resins. [15]: 172–174
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,
The American Catalin Corporation introduced 15 new colors in 1927 and developed techniques to create marbling. The colors included yellow, orange, red, greens, blue, and purple, with clear, opaque and marbled versions. In the 1930s, jewelry made in these colors was popular with sets of beads, bangles, earrings, and rings being worn together.
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