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Resins
Encyclopedia entry from: The Gale Encyclopedia of Science
Resins Historically, the term resin has been applied...synthetically. Strictly speaking, however, resins are complex mixtures, whereas gums are...to synthetic polymers. The term natural resins usually refers to plant products consisting...
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SIC 3087 Custom Compounding of Purchased Plastics Resins
Encyclopedia entry from: Encyclopedia of American Industries
...3087CUSTOM COMPOUNDING OF PURCHASED PLASTICS RESINS This category covers establishments primarily...custom compounding of purchased plastics resins. For more information related to this...SIC 2821: Plastic Materials, Synthetic Resins, and Nonvulcanizable Elastomers. Custom...
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epoxy resins
Book article from: The Columbia Encyclopedia, Sixth Edition
epoxy resins group of synthetic resins used to make plastics and adhesives. These materials are noted...on metals, construction materials, and most other synthetic resins. They are strong enough to be used in place of rivets and welds...
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SIC 2821 Plastic Materials and Resins
Encyclopedia entry from: Encyclopedia of American Industries
SIC 2821PLASTIC MATERIALS AND RESINS The plastic materials and resins industry is comprised of companies primarily engaged in manufacturing various resins and plastics for sale to other industries that create plastic sheets, rods, films, and...
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Ion Exchange
Encyclopedia entry from: The Gale Encyclopedia of Science
...another of similar charge. Ion exchange resins are solids containing strongly bonded...Common materials for these ion exchange resins are styrene and divinylbenzene. Molecules...ion exchange with an ion in solution. Resins that are only slightly cross-linked...
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resin
Book article from: The Columbia Encyclopedia, Sixth Edition
...class of amorphous solids or semisolids. Resins are found in nature and are chiefly of...flammable, burning with a smoky flame. Resins are soluble in alcohol, ether, and many...mixtures of organic acids and esters. Resins are generally classified according to...
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gum
Book article from: The Columbia Encyclopedia, Sixth Edition
...are not true gums are included, among them many resins , so-called gum resins, and such substances as frankincense, myrrh...emollient. Gum senegal is very similar. Among the gum resins (mixtures of gums and resins) are ammoniac , asafetida...
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SIC 5162 Plastics Materials and Basic Forms and Shapes
Encyclopedia entry from: Encyclopedia of American Industries
...sheeting, rods, tubes, and synthetic resins. NAICS Code(s) 422610 (Plastics Materials...7 million in sales. Still others included resins with sales of $24.9 million; plastics resins with sales of $8.7 million; synthetic...
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plastic
Book article from: The Columbia Encyclopedia, Sixth Edition
...protein, but are more commonly synthetic resins. In either case, the binder materials...naturally occurring polymer. Synthetic resins are polymerized, or built up, from small...and pressure are reapplied. See epoxy resins ; polyacrylics ; polycarbonates ; polyethylene...
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adhesive
Book article from: The Columbia Encyclopedia, Sixth Edition
...important; they include natural gums and resins , mucilage , and starch and starch derivatives...special properties are prepared from synthetic resins. Some synthetic adhesives, such as the epoxy resins, are strong enough to be used in construction...
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