Resins

X X   X X   Extracts   X X   X X

→ Full Text of the Document

X X   X X   Extracts   X X   X X

..... sins) usually of high molecular weight that have some of the physical properties of natural resins but typically are very different chemically, that may be thermoplastic or thermosetting, that are made by polymerization or condensation, and that are used chiefly as plastics or the essential ingredients of plastics, in varnishes and other coatings, in adhesives, and in ion exchanges (when the resin .....

X X   X X   Extracts   X X   X X

→ Full Text of the Document

X X   X X   Extracts   X X   X X

..... thetic resins are classified by the initial reacting materials, e.g., as phenolic amino, acrylic or vinyl resins, or on chemical composition, e.g., polyester and epoxy resins." Sorenson and Campbell in their book "Preparation Methods of Polymer Chemistry" in Chapter 7 `Cross-linked synthetic Resins' have said: "Today, `resin' covers a multitude of polymer types, incl .....

X X   X X   Extracts   X X   X X

→ Full Text of the Document

X X   X X   Extracts   X X   X X

..... ." (underlining ours) In other words, "synthetic resin" is a term used in plastic industry and possibly in other industries, but not in the textile industry to refer usually to unfabricated material out of which the end product is made. The term `synthetic resin or artificial resin', therefore, far from being scientifically precise, seems to be as elusive to define as the term .....

X X   X X   Extracts   X X   X X

→ Full Text of the Document

X X   X X   Extracts   X X   X X