GLUE Chemical Properties

Dielectric constant

2.0（Ambient）

GLUE Usage And Synthesis

Description

A crude, impure, amber-colored form of commercial gelatin of unknown detailed composition produced by hydrolysis of animal collagen; gelatiomizes in aqueous solutions and dried to form a strong, adhesive layer.

Definition

A colloidal suspension of various proteinaceous materials in water. Most familiar are those derived by boiling animal hides, tendons, or bones, which are high in collagen. Chief sources are slaughterhouse wastes and fish scraps. Other animal-derived glues

Definition

An adhesive, of which there are various types. Aqueous solutions of starch and ethyl cellulose are used as pastes for sticking paper; traditional wood glue is made by boiling animal bones; quickdrying adhesives are made by dissolving rubber or a synthetic polymer in a volatile solvent; and some polymers, such as epoxy resins and polyvinyl acetate (PVA), are themselves used as glues.