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Core functional additives designed for engineering plastics recycling/modification and biodegradable materials
The New Additive Ecosystem
Green, circular and built to last
We work along three lines: environmental performance, multi-function compounding and application-specific customization. The portfolio covers efficient, recyclable and bio-based additives for engineering plastics processing, new energy and advanced manufacturing, electrical and electronic modification, healthcare, construction, packaging and other specialized applications — one source for solutions that are both compliance-ready and high-performing.
Green by design
Compliance is the starting point, not the goal
Green control runs through raw materials, production, downstream use and end-of-life recovery, rather than stopping at a swap for a less toxic input.
Multi-function compounding
One additive, several problems solved
Molecular design and formulation optimization combine functions that used to require separate additives, lifting the overall performance of the compound.
Application-specific customization
Developed for your process, not for a catalogue
We formulate against the actual resin, processing window and compliance target instead of shipping a standard grade and leaving the adaptation to you.
FAQ
Answers to frequently asked questions about products, technology and cooperation
Plastic additives are compounds added during polymer processing to improve processability or compensate for property deficiencies of the resin itself. Usually accounting for only fractions to dozens of parts per hundred, they can substantially improve fundamental properties (mechanical strength, thermal stability, weatherability, etc.) through physical or chemical action, or optimize processing (flow, demolding). By function they fall into: processing improvement (lubricants, mold release agents, heat stabilizers, processing aids), property enhancement (plasticizers, reinforcing fillers, toughening agents, flame retardants, antistatic agents), service life extension (antioxidants, UV absorbers, antifungal agents), and sensory/cost control (colorants, optical brighteners, fillers). The eight most commonly used categories are plasticizers, stabilizers, lubricants, antioxidants, fillers, colorants, flame retardants and foaming agents.
Plastic additives support a wide range of downstream industries by improving processability or imparting special functions. Core fields include: building materials (PVC profiles, pipes, door/window seals, flooring and wall panels), automotive and transportation (lightweight interior parts, wire insulation, tire curing systems), electronics and electrical (wire/cable insulation, connectors, housings), packaging and food (cling film, beverage bottles, food containers — requiring non-toxic and environmentally friendly additives), healthcare (infusion tubes, blood bags, medical gloves — requiring low-migration, highly biocompatible additives), consumer goods and textiles, and agriculture and specialty industry (agricultural film, photovoltaic backsheets, industrial anti-corrosion coatings).
A chain extender is a chemical that reacts with active functional groups on linear polymer chains to extend the molecular chain and increase molecular weight. It acts like a "molecular bridge", connecting shorter polymer chains into longer, stronger ones, thereby significantly improving material properties.
A chain extender works by using its own multiple active functional groups to react with functional groups at polymer chain ends (such as hydroxyl -OH, carboxyl -COOH, amino -NH₂, etc.).
Chain extenders are widely used: in the polyurethane (PU) industry — essential for high-performance PU elastomers, foams, adhesives and coatings; in engineering plastics modification — improving molecular weight, mechanical properties and heat resistance of PA, PBT, PET and other plastics; in recycled plastics upgrading — effectively "repairing" broken chains of recycled PET, PA and other degraded materials; and in biodegradable materials — improving melt strength and processability of PLA, PBAT and other biodegradable plastics.
A compatibilizer is a polymer additive that enables two otherwise immiscible polymers to form a stable blend. It can be understood as the "emulsifier" or "molecular bridge" of the polymer world. Part of its molecular chain is compatible with one polymer in the blend, and another part with the other polymer. Positioned at the interface, it stabilizes the phase morphology by lowering interfacial tension and preventing dispersed-phase coalescence.
Compatibilizers work in two main ways: promoting dispersion — enabling immiscible polymers to disperse into a macroscopically uniform blend; and strengthening the interface — improving interfacial performance and adhesion between phases to ensure long-term stable properties. They lower surface tension between polymers, refine the dispersed phase, and thicken the interfacial layer to enhance inter-phase bonding.
Compatibilizers are widely used in: plastic alloy preparation (PP/PE, PP/PA, PA/ABS, ABS/PC, PBT/PA, PET/PA and other alloy systems), polymer modification (improving processing rheology and surface finish), recycled plastics (converting mixed waste plastics into regenerated alloys, addressing "white pollution"), new-energy vehicles and photovoltaic industry (lightweight components and related modules), biodegradable materials (improving compatibility between PLA and PBAT), and inorganic filler/glass-fiber reinforcement (as coupling agents to improve interfacial compatibility).
With a professional R&D team and an in-house laboratory, we close the loop from R&D to quality control, production and application: fast formulation iteration without relying on external third parties, greatly shortening development cycles; efficient customized service — developing dedicated additive formulations and completing performance validation for different industry needs; compliance and certification support — routine compliance testing and early anticipation of regulatory changes; and accumulating core technical assets — building proprietary formulation databases and process parameters through long-term independent experimentation to form unique technical barriers.