In recent years, the photovoltaic industry has developed rapidly, and the installation environment of photovoltaic modules has become more extreme and complex. Polyurethane composite materials have excellent properties such as high strength, high modulus, insulation, corrosion resistance, and salt spray resistance, making them an excellent choice for photovoltaic system applications in special scenarios such as offshore photovoltaics, saline-alkali photovoltaics, and swamp photovoltaics. At the same time, the manufacturing process of polyurethane composite materials has the characteristics of low carbon emissions, which also coincides with the industry’s demands for carbon reduction and consumption reduction.
Wanhua Chemical launched the full-yarn polyurethane composite photovoltaic frame solution, starting from the functional requirements of the photovoltaic frame, and based on the material characteristics, comprehensively optimized the frame structure of the full-yarn solution, providing the industry with a new polyurethane composite photovoltaic frame solution.
Full yarn polyurethane composite materialPhotovoltaic frame scheme
Unidirectional yarns impart high modulus properties to the material
The bending modulus of profiles made of ordinary glass fibers can reach more than 40GPa, and that of high-modulus glass fibers can reach more than 50GPa. The increase in the rigidity of the frame can significantly reduce the deformation of the photovoltaic module when it is under load.
High-precision section assists fine cutting process
The glass fiber is evenly distributed in the polyurethane resin to ensure that the product has a consistent cooling shrinkage rate throughout the product, a high degree of product homogeneity, and accurate and stable cross-sections to facilitate subsequent precise cutting and processing.
Precise core position control
The position control of the mold core is more precise under the full yarn process, the position of the mold core is close to the curing area, and the deviation of the product wall thickness is ≤0.15mm; after the profiles are assembled through corner codes, there are no steps and no gaps in the connection position.
Stable and efficient production enables large-scale application
Evenly dispersed glass fibers can be infiltrated by polyurethane resin quickly. The efficient infiltration process can support high-speed production of profiles. The manufacturing rate can reach more than 1m/min, and the straightness of continuous production profiles is ≤1mm/2m. The surface of the product is smooth and beautiful, which improves the overall decorative effect of the components.
In the future, Wanhua Chemical will adhere to the drive of green innovation technology, and join hands with more relevant parties to continuously provide more comprehensive and systematic solutions for the high-quality development of the industry, and help human beings live a green, sustainable and beautiful life!
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