Global scientific company active in the fields of health, nutrition and materials The Royal Dutch DSM Group, working closely with gas cylinder manufacturers , Helping it to be manufactured Akulon ® Fuel Lock nylon 6Material is lined CNG-IV Compressed natural gas cylinders, thus making smaller, smarter, safer, more efficient car gas cylinder systems possible, sweeping cars 'Oil to gas ' A major obstacle in the process.
The use of compressed natural gas (CNG) instead of gasoline in automobiles is recognized as a more environmentally friendly fuel solution, which can reduce carbon emissions by more than 15%, and the daily cost of gas is even lower. However, CNG cylinders have inevitably increased the number of gas-fired cars themselves. Weight, thereby increasing carbon dioxide emissions. How to reduce the weight of natural gas cylinders has become a problem that must be solved in the important environmental friendly process of 'oil to gas'. In recent years, CNG bottles have been made of plastic substitute steel. With certain progress, the use of high-density polyethylene (HDPE) liner materials CNG-IV class full-wrapped bottles, compared to the traditional CNG-I type cylinders can be reduced about 1/3-2/3, but the HDPE bottle Hermeticity and low permeability (methane infiltration) cannot meet the requirements of the regulations. Lightweight and zero-permeability are the highest standards that the industry has long sought.
DSM's technical team has been working closely with gas cylinder manufacturers to help gas bottle manufacturers develop smaller, smarter, safer and more efficient automotive gas cylinder systems through their innovative material solutions. With unremitting efforts and continuous improvement, DNG Akulon® Fuel Lock nylon 6 liner was finally used to produce excellent CNG-IV type full-wrapped bottles with 150 times lower permeability than HDPE, and compared with HDPE cylinders. Achieve further weight reduction so that it can be used not only in regular passenger cars, but also in large cylinders with a capacity of 45 litres up to 2 meters in length. The CNG-IV type full-wrapped bottles with Akulon® Fuel Lock fully meets NGV -2 (U.S. Compressed Natural Gas Vehicle Fuel Container Standards) and ECE-R110 (European Economic Commission Regulations on Compressed Natural Gas for Vehicle Propulsion Systems) requirements, Gas vehicles using Akulon® Fuel Lock lined cylinders were last year Realized mass production in Europe.
At low temperatures, the Akulon® Fuel Lock exhibits a balance between low temperature performance and low permeability. During gas cylinder inflation, compressed natural gas will dramatically decrease the cylinder temperature (down to -60°C) and cause liner lining to occur. At the same time, its internal pressure rises sharply with the injection of compressed gas, and the liner swells again. Akulon® Fuel Lock can withstand high-tension stretch at low temperatures, and can pass through severe drops. Testing. In addition, the barrier effect of Akulon® Fuel Lock on CNG will not deteriorate over time. Compared with HDPE liner, its service life will also be greatly improved.
From the production process point of view, due to the stable low permeability and excellent blow processability of Akulon® Fuel Lock, it is possible to manufacture thin-walled cylinders (liner thickness as low as 1.5 mm, HDPE liner thickness of 3 mm) This means that the manufactured cylinders use less material, lighter weight, shorter cycle times, lower processing costs, and larger cylinder capacity. Moreover, due to the high temperature of the Akulon® Fuel Lock Sex is 50 degrees Celsius higher than HDPE, which greatly limits creep at high temperatures, which means that the curing time of the outer composite can be reduced, thus further shortening the production cycle. Overall, compared to HDPE, Akulon® The CNG-IV type full-wrapped bottle lined with Fuel Lock can increase the internal volume by 2%, the liner can be reduced by 50%, and the processing cycle can be shortened by 20%.
In addition to blow molding grade materials, the Akulon® Fuel Lock product family also includes injection molding, rotomolding, and extrusion grade materials, as well as laser marking and UV-resistant product grades to meet a variety of customer application needs.