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On February 3, 2021, Diab Group, a global leader in sandwich composite solutions, recently selected a new LNP™ COLORCOMP™ compound based on nanotechnology from Saudi Basic Industries Corporation (SABIC).
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The Sweden-based manufacturer uses SABIC, a breakthrough modifier, instead of a standard nucleating agent, in the production process of its Divinycell PY PET foam core range
.
Improving the performance of the core foam core material for wind turbine blades can help designers create innovative wind turbine blades with longer lengths to meet increasingly stringent industry standards with higher requirements for accuracy, weight and quality consistency, and further Improve the overall power generation of wind turbines
.
DIAB's family of Divinycell PY PET foamed cores, produced with SABIC's new LNP™ COLORCOMP™ compounds, enables designers to create innovative fan blades with longer lengths to meet high demands for precision, weight and quality consistency , The increasingly stringent industry standards
.
"While the wind turbine core material market is relatively new to PET foam, this thermoplastic offers several advantages and is expected to be widely used in turbine blade manufacturing processes, making it an ideal material choice for this field," said DIAB Group Chief Technology Officer Officer Magdalena Sandström said
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"With high-performance wind turbine blade core materials that enable innovative composite designs, our collaboration with DIAB has opened up new opportunities for the rapid development of the wind energy industry," said Luc Govaerts, Director of Product Formulation and Application Development, Specialty Materials, SABIC said
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Various thermoplastic materials produced with LNP™ COLORCOMP™ modified materials, represented by Divinycell PY PET foamed core materials, can provide excellent strength, stiffness, durability and greater design freedom, thereby effectively extending the fan blade.
service life and minimize investment costs
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Solving the challenges facing the wind energy industry
Solving the challenges facing the wind energy industryAccording to relevant data from market research firm Mordor Intelligence, the wind power generation market is expected to grow at a compound annual growth rate of about 7.
9% from 2020 to 2025
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In Europe, the average blade length of offshore wind turbines is 50 meters (164 feet); in the United States, the blade length of offshore wind turbines is also around 50 meters, but this standard length will continue to increase, and the length of some wind turbine blades has reached as high as 50 meters.
80 meters
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The emergence of large wind turbine blades has put forward higher requirements for design innovation and core material performance improvement
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Another issue that needs to be addressed is that the service life of the fan blades needs to be extended to minimize investment costs
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Various thermoplastic materials, represented by DIAB's PET foam materials, can provide excellent strength, stiffness, durability, and greater design freedom, helping to extend the service life of wind turbine blades
.
In addition, thermoplastic materials can improve the sustainable performance of wind turbine blades
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Today, how to recycle such huge and complex spare parts is also one of the issues of great concern to the wind power industry
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Currently, most scrap leaves are sent directly to landfills for disposal
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Fan blades made of thermoplastic PET foam are very easy to recycle
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The PET foam material solution also has many advantages such as stable supply, high cost performance and consistent material properties
.
Improve foaming process
Improve foaming processSABIC's innovative LNP COLORCOMP compounds contain a special formulation that improves the nucleation process, increases the efficiency of the foaming process and achieves different foam densities
.
Compared to standard nucleating agent products such as talc, SABIC products significantly reduce cell size and ensure uniform cell size distribution, helping to reduce resin uptake in foamed materials during composite production
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The reduction of resin content is an important factor in realizing the lightweight of wind turbine blades
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Another potential benefit of cell size reduction is the need for secondary foaming or surface treatment to close the cells and reduce resin uptake
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In addition, the smaller cell size and narrower cell size distribution also contribute to improved shear strength and strain properties
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Such performance improvements cannot be achieved with traditional foaming techniques or low-density foamed materials
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In addition to applications in the core material of wind turbine blades produced from PET foam, SABIC's new LNP COLORCOMP compounds can also be used to improve foam products in various fields such as maritime, building construction and packaging components
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At present, SABIC's LNP COLORCOMP modified material has been successfully put into the global market
.
