In the modern field of chemical synthesis, the Purified Isophthalic Acid Pia Used in Unsaturated Polyester Resin has its unique ortho structure, which significantly optimizes the cross-linking density of the polymer. This high Purified Isophthalic Acid Pia Powder for Polyester Resins, presents as a colorless crystalline form, with a melting point strictly controlled between 238°C and 240°C, ensuring consistency during the thermal processing. Due to its good solubility in organic solvents and extremely low odor characteristics, this raw material has become the preferred grade for Isophthalic Acid Pia for Unsaturated Polyester Resins Production. Whether applied in glass fiber reinforced plastics (FRP) or high-performance laminates, isophthalic acid pia for polyester resins can impart outstanding weather resistance and structural stability to the finished products.
Technical Specifications
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Item
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Parameter Value
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Significance
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Chemical Formula
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C8H6O4
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High molecular weight stability
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Appearance
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Colorless crystal/powder
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Reduces color deviation in downstream resins
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Purity
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≥ 99.0%
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Lowers the risk of side reactions
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Melting Point
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238°C - 240°C
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Indicator of thermal processing stability
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Solubility
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Slightly soluble in water, soluble in organic solvents
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Improves mixing efficiency in reaction kettles
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Odor
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Odorless
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Enhances production environment friendliness
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Core application
Purified Isophthalic Acid Pia Used in Unsaturated Polyester Resin is highly suitable for industrial production with strict environmental requirements.
Glass fiber reinforced plastic (FRP): Used to manufacture stronger yacht hulls, chemical storage tanks and transportation pipelines.
Industrial coatings: Enhance the adhesion and UV resistance of powder coatings, preventing outdoor facilities from fading.
Insulating material: Electrical insulating laminates used for manufacturing circuit boards and motors, ensuring dimensional stability at high temperatures.
Fine Chemicals: As intermediates for pharmaceuticals or performance modifiers for special paints.
Why choose Shanshan?
1. Supply stability of a Fortune 500 company
Since its establishment in 1989, Shanshan Group has grown into a diversified industrial group with annual revenue exceeding 50 billion yuan. For chemical enterprises, the financial stability of suppliers means long-term order fulfillment capabilities and the ability to withstand market fluctuations.
2. Stringent purity control
Our isophthalic acid is renowned for its purity of over 99%. High purity means that when synthesizing unsaturated polyester resins (UPR), it can produce less impurity precipitation, thereby enhancing the transparency and anti-yellowing properties of the resin.
3. Over 30 years of in-depth industry experience
Not only do we sell products, but we also understand applications. The technical support team of Shanshan can provide suggestions regarding the addition ratio of PIA and process parameters for different end applications such as laminated boards and molding plastics.
FAQ
Q: Why is it necessary to use Purified Isophthalic Acid Pia when manufacturing glass fiber reinforced plastic?
A: Because impurities of the ordinary grade would interfere with the interfacial adhesion between the resin and the glass fibers. Using refined isophthalic acid pia powder for polyester resin can ensure that the fibers are fully immersed, thereby avoiding interlayer peeling of the finished product during use.
Q: Can PIA increase the hardness of the product?
A: Yes. Due to the more compact arrangement of the molecular chain segments of PIA, it can significantly enhance the Barcol Hardness of unsaturated polyester resin (UPR) after curing, making it more advantageous for applications in load-bearing structural components.
