Professional Polymer Technology
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Glue is one of the oldest and most versatile adhesives. […]
Glue is one of the oldest and most versatile adhesives. From the use of white glue in the home process to the furniture and even the commercial use of plastic manufacturing glue, glue is part of your daily life. Knowing the differences between the synthetic adhesive manufacturing process and the type of glue can help you determine the best material for your application. If you are looking for your own glue, knowing how it is made will help you choose the right glue mix to suit your needs.
Glues generally refer to any adhesive that is applied in a liquid form and dried to hold the material together. Technically, real gum is made from organic compounds such as animal collagen. However, many of the products sold as glue are actually synthetic adhesives made from polyvinyl acetate (PVA) emulsions. These synthetic adhesives are sometimes referred to as gum or cement.
Synthetic adhesive is usually made from a combination of polyvinyl acetate (PVA), water, ethanol, acetone and other substances. Water is used to change the consistency of the glue; other ingredients control the glue drying speed. The compounds in the synthetic gum are separated by chemical reaction. Synthetic rubber, vinyl acetate behind the basic components through the chemical reaction of acetylene and acetic acid made of. In the presence of a catalyst, the molecular weight is increased to produce a polymer. A similar chemical method was used to prepare the vinyl paint. Polymers known as polyvinyl acetate may be mixed into an emulsion to produce a suitable texture. PVA must have additives to prevent them from drying immediately and keep them stable.
A suitable mixing device is essential for generating a durable adhesive. Synthetic adhesive is an emulsion made by mixing collagen or a polymer into a solvent such as water. Appropriate levels of agitation are essential to ensure adequate mixing of the emulsion. Otherwise, the glue may be bottled once, making it ineffective.