PIA, TMA, MAN
Chemical products, such as PIA (purified isophthalic acid), TMA (trimellitic anhydride) and MAN (Maleic Anhydride) have many various applications. Some of them you can find listed below.
PIA
PIA serves as a good coating because:
- It can aid the production of high molecular weight polymers, which are perfect for hardness, flexibility, weather ability, and fast cure in waterborne, powder, and coil coatings;
- It aids hydrolytic stability and therefore prolongs the shelf life of waterborne coatings;
- It decreases dry times for high solids and traditional solvent-borne coatings.
In polyester packaging PIA:
- Provides clear bottles in a variety of shapes and sizes. It also provides thicker preforms for returnable or refillable containers;
- Aids the reduction cycle time and lowers energy requirements by broadening the processing window;
- Improves taste in bottled water getting rid of the unpleasant acetaldehyde flavour;
- Reduces permeability at the same time while keeping beverages carbonated longer
In unsaturated polyester resins PIA:
- Is outstandingly resistant to acids, solvents, and other chemicals;
- Combines affordable cost and high performance often very similar to costly alternatives in many applications;
- Performs exceptionally well in diverse products, for example, industrial gratings, pipe remediation, gasoline and chemical storage tanks, ladder rails, structural automotive parts and boat hulls, watercraft protective coatings, and solid surfaces (functional and decorative);
- Characterizes in ease of synthesis and fabrication in: pultrusion, sheet moulding compound (SMC), bulk moulding compound (BMC), hand lay-up and spray-up, castings, injection moulding, resin transfer moulding (RTM), reaction injection moulding (RIM), centrifugal casting, filament winding.
MAN
Maleic Anhydride (MAN) is an unsaturated, carboxylic substance of low molecular weight. We can find this clear and colourless molten substance in rail tank cars, tank trucks, and ISO (intermodal) tank containers.
TMA
TMA represents a trifunctional aromatic anhydride of a highly reactive nature. It forms products that perform well in high temperatures. Therefore, the most popular applications where we will find TMA are electrical wires and cable insulation. Other applications include automobile interiors (softness retention, elimination of fogging), appliance gaskets, and flat-roof membranes.
We can also find TMA in PVC medical products, such as haemodialysis tubing, neonatal care and blood platelet storage. Apart from the above, in our everyday life, TMA is in vinyl products, such as shower curtains or upholstery.
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