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YIHOO PA(polyamide) Polymerization & Modification 01.jpg

China PA Polyamide Polymerization & Modification Additives | Trusted Suppliers & Factory Products

Polyamide, commonly known as PA or Nylon, is a versatile thermoplastic resin characterized by its repeated amide groups along the molecular chain. In China, suppliers offer a variety of PA types, including aliphatic PA, aliphatic-aromatic PA, and aromatic PA. Among these, aliphatic PA boasts the most extensive selection, exceptional capabilities, and widespread applications, making it the preferred choice for various industries, As the automotive industry moves towards miniaturization, electronic and electrical equipment demand high-performance materials, and mechanical equipment undergoes lightweight innovations, the demand for nylon continues to rise. However, the inherent limitations of nylon, particularly in grades such as PA6 and PA66, can restrict its applications. While these grades are more cost-effective compared to PA46 and PA12, they may not fulfill the performance requirements of advancing industries. To meet these challenges, our factory in China is dedicated to producing high-quality nylon products that align with industry needs
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    Product Details

    Product Description

    Polyamide (also called PA or Nylon) is the generic terms of thermoplastic resin, containing repeated amide group on the main molecular chain. PA includes aliphatic PA, aliphatic-aromatic PA and aromatic PA, in which aliphatic PA, derived from the number of carbon atoms in the synthetic monomer, has the most varieties, the most capability and the extensive application.

    With the miniaturization of automobiles, the high performance of electronic and electrical equipment, and the acceleration of the lightweight process of mechanical equipment, the demand for nylon will be higher and greater. Nylon inherent shortcomings are also an important factor limiting its application, especially for PA6 and PA66, compared with PA46, PA12 varieties, have a strong price advantage, although some performance can not meet the requirements of the development of related industries.

    Therefore, it is necessary to improve some properties by modification for a certain application field to expand its application field. Because of the characteristics of strong polarity, PA has strong hygroscopicity and poor dimensional stability, but it can be improved by modification.

    Key Additives to Significantly Improve Performance in PA
    CLASSIFICATION PRODUCT CAS COUNTER TYPE APPLICATION
    LIGHT STABILIZER YIHOO LS519 42774-15-2 NYLOSTAB S-EED As melt stabilizers or melt process modifiers to improve the quality of polyamide products from injection molding and blow molding or extrusion, as well as lower filament breakage rates during fiber spinning.
    ANTIOXIDANT YIHOO AN445 36443-68-2 IRGANOX 245 Especially suitable for stereostylized phenolic antioxidants of organic polymers. Especially suitable for HIPS, ABS, MBS, SB and SBR latex and POM monomer and copolymer, can also be used as a stabilizer in PU, PA, thermoplastic PE, PVC, etc.
    YIHOO HN130 69938-76-7 — Widely used in PU profile, shoe material, plastic and PU fiber production process; can also be used as an antioxidant, stabilizer, and can participate in the polymerization reaction; It can also be used as an anti-yellowing agent in PU coatings.
    YIHOO HN150 85095-61-0 — Used in PU, such as spandex fiber, synthetic leather, artificial leather and so on yellowing prevention agent.
    YIHOO AN3052 61167-58-6 ANTIOXIDANT GM Suitable for PO, PE, polystyrene, ABS resin and polyvinyl chloride, etc., and also suitable for white, bright color or transparent products.
    YIHOO AO80 90498-90-1 GA-80 A high molecular weight blocked phenolic antioxidant, has better heat aging performance when used in conjunction with phosphite ester antioxidant and macromolecule sulfur antioxidant. Suitable for most plastics, polyolefin, etc., especially for PA, PUR, PE, POM, PP.
    YIHOO AN1098 23128-74-7 IRGANOX 1098 Mainly used in PA, PO, polystyrene, ABS resin, acetal resin, PU, rubber and other polymers.
    YIHOO AN1171 AN 168: 31570-04-4; AN 1098: 23128-74-7 IRGANOX 1171 A blend antioxidant for PA injection molding products, fibers and films.
    FLAME RETARDANT YIHOO FR930 / — Can be applied to high temperature nylon with its high temperature stability. Suitable for glass fiber reinforced and non-reinforced. The final product has excellent physical and electrical properties.

    To provide polymer additives in more specific applications, the company has established a product series covering below applications: PA polymerization & modification additives, PU foaming additives, PVC polymerization & modification additives, PC additives, TPU elastomer additives, low VOC automotive trim additives, textile finishing agent additives, coating additives, cosmetics additives, API and other chemical products like zeolite etc.

    You are always welcome to contact us for inquiries!

    Frequently Asked Questions
    Q
    What is Polyamide (PA) and what are its main types?
    Polyamide (also known as PA or Nylon) is a thermoplastic resin containing repeated amide groups on the main molecular chain. Its main types include aliphatic PA, aliphatic-aromatic PA, and aromatic PA. Among these, aliphatic PA — such as PA6 and PA66 — is the most widely used due to its broad range of varieties, strong performance capabilities, and extensive industrial applications.
    Q
    Why does Polyamide (Nylon) need modification additives?
    Due to its strong polarity, PA exhibits high hygroscopicity and poor dimensional stability, which limits its performance in certain demanding applications. Modification additives — such as antioxidants, light stabilizers, and flame retardants — are used to overcome these inherent shortcomings and expand PA's suitability across industries including automotive, electronics, and mechanical equipment.
    Q
    What is the role of YIHOO LS519 in Polyamide processing?
    YIHOO LS519 (CAS: 42774-15-2, counter type: NYLOSTAB S-EED) functions as a melt stabilizer and melt process modifier. It improves the quality of polyamide products manufactured through injection molding, blow molding, or extrusion, and also helps lower filament breakage rates during fiber spinning processes.
    Q
    Which antioxidant products are most suitable for PA applications?
    Several YIHOO antioxidant products are well-suited for PA: YIHOO AN1098 (IRGANOX 1098) is primarily used in PA, PO, ABS, and PU; YIHOO AO80 (GA-80) offers excellent heat aging performance and is especially recommended for PA, PUR, PE, POM, and PP; YIHOO AN1171 (IRGANOX 1171) is a blend antioxidant specifically designed for PA injection molding products, fibers, and films.
    Q
    What flame retardant solution is available for high-temperature Nylon?
    YIHOO FR930 is a flame retardant specifically suitable for high-temperature nylon applications, owing to its excellent high-temperature stability. It is compatible with both glass fiber reinforced and non-reinforced nylon grades, and end products processed with YIHOO FR930 demonstrate outstanding physical and electrical properties.
    Q
    What other polymer additive product lines does the company offer beyond PA additives?
    In addition to PA polymerization and modification additives, the company provides a comprehensive product portfolio covering: PU foaming additives, PVC polymerization and modification additives, PC additives, TPU elastomer additives, low VOC automotive trim additives, textile finishing agent additives, coating additives, cosmetics additives, API, and other specialty chemicals such as zeolite. Contact us to learn more about the full range of solutions available.

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