prov:value
| - a technique such as calcination.Among the organic materials employed as the starting material, there are a phenol resin, an acrylic resin, a halogenated vinyl resin, a polyimide resin, a polyamideimide resin, a polyamide resin, a conjugate resin, such as polyacetylene or poly(p-phenylene), cellulose and its derivatives, and optional organic high molecular compounds.Other examples of the starting o
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