Unlike natural resins, synthetic resins produced in the industry make up 30 to 60% of plastic composition. Silicone resins, gum arabic, epoxy resins, acrylic resin and carrageenan are some of the different types of synthetic resins that exist. You manufacture them using the chemical polymerization process. Synthetic resin making equipment can help you with that.
Which synthetic resin equipment do you need?
Fine cutting mill
Fluidized bed opposed jet mills
Hygienic open-mouth bottom-up baggers
Small scale pelleting press
Folding stairs and safety cages
Marine loading arm
Top loading arm
Bottom loading arm
Special duty horizontal metering valve
Dense phase conveyor for normal wearing materials
Dense phase conveyor for powders and granules
2-way diverter valves for pneumatic conveying
Multi-way diverter valve for pneumatic conveying
Wear resistant bends for pneumatic conveying
Bagger for open mouth bags
Automatic bagging machine for open mouth bags
Laboratory GMP cooler for hot melt extrusion
GMP cooler for hot melt extrusion
Classifier mill for powder coating
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Automating chemical polymerization with synthetic resin making equipment
Even though some synthetic resins have the same physical features as natural resins, they are chemically different. You can produce them by polymerization process. To produce epoxy resins with synthetic resin making equipment, mix bisphenol A (BPA) and epichlorohydrin (ECH) to form an epoxy resin monomer. Then heat at 24-30 ºC (75.2 to 86 ºF) using a disc dryer, as it helps heat the mixture gently to give quality to the end-product.
Production of synthetic resin with a synthetic resin making machine involves different kinds of chemical reactions. You can use condensation polymerization process or addition polymerization depending on your product. The former produces larger molecules and releases water or methanol as a byproduct, in nylon production, for instance. The latter occurs in presence of a catalyst, such as ziegler-natta, and doesn’t form byproducts, such as in the production of acrylics.
From paint to roads: applications of synthetic resins
The plastic industry commonly uses synthetic resins. You can also use it to produce paint, polish and coating, paper, printing ink, leather, adhesive, and coatings, to mention a few. The construction industry uses resins to build roads and industrial floor coverings. For each product type, use different resin, depending on the different compounds they are made and their different functional groups. For example, acrylic resin can be thermosetting or thermoplastic; they have different functional groups and as such helps make different end products. Synthetic resin manufacturing equipment ensures processes’ repeatability.
The effect of heat on thermoplastics and thermosetting resins
Based on their reaction when exposed to heat, thermoplastic and thermo-setting resins act differently. The former softens when heated and hardens when it’s cool, while the latter retains its form when you apply heat. Thermoplastics are highly recyclable because they retain their chemical properties, unlike thermo-setting resins. Yet, thermosetting resins have strong structural integrity and greater heat resistance. A significant disadvantage of thermoplastic resin is that you can’t use it in certain industries because of its ability to readily melt when you apply heat. For example, you can’t make some heavy construction equipment and motor vehicle parts with thermoplastics. This is because the change in temperature alters the product.
The environmental impact of resins
Most natural resins are extracted from crude oil and the refining process is harmful to the environment and to human health. Most synthetic resins take time to biodegrade. To reduce the effect of these harmful chemicals, manufacturers are now using more environmental-friendly resins, such as eco-resin (plant based) and silicone resin. If you are looking for a nontoxic durable synthetic resin, consider using silicone resin. It has different manufacturing instructions and is used in coating, kitchen utensils, and woodworking, to name a few.
You can also use plaster of Paris and clear UV- glue for coating as sustainable options for resin. Have in mind that they don’t act like resin, though, as they have different drying times and conditions, as well as chemical and physical properties.