Previously, discussions on whether degradable plastics can replace traditional plastics have been very active.
With the advent of the most strict "Plastic ban" and the banning of disposable non-degradable plastic straws, as well as the ban on the use of non-degradable plastic packaging in supermarkets and shopping malls in Beijing, Shanghai and some provincial capitals, the degradable plastics industry has finally truly ushered in rapid growth.
Degradable plastics is not a new term, but it has been developing slowly in the early stage. The main bottleneck is that compared with traditional plastics, the performance of degradable plastics still has some limitations. For example, when shopping in a supermarket, we have certain requirements for the load-bearing performance of plastic bags, and poor load-bearing performance is precisely a common defect of degradable plastics. In addition, the transparency of degradable plastics is relatively low, which limits its scope of application to a certain extent.
The current mainstream degradable materials include starch composite materials, PLA, PBAT, PBS, PHA, etc. In order to make up for the performance limitations of a single type of material, a multi-material composite method is generally used for processing. This makes the extrusion process of degradable plastics more complicated and difficult to control.
Processors of degradable plastics have begun to pursue degradable plastics processing solutions featuring low cost, high mechanical properties, and biological safety to replace the current general plastic products that are difficult to biodegrade. However, most manufacturers focus on material synthesis, ignoring the processing technology of degradable plastic products, which also causes some biodegradable products to perform poorly in terms of heat resistance, water resistance and mechanical strength.
At the same time, some R&D personnel have focused their attention on the development of degradable plastic processing machinery. They have made great efforts in high production capacity, high efficiency, and high quality, and have made some technological breakthroughs.
Nanjing KY Chemical Machinery Co., Ltd. (KY) has accumulated more than 30 years of experience and developed a product that can be benchmarked with imported equipment for domestic users: HK/SK/SK Plus series co-rotating double screw extruder machines.
These models are suitable for the compounding modification processing of degradable plastics, and at the same time have the characteristics of high stability, high efficiency, environmental protection and energy saving, and provide a solid foundation for users to win the market.
Its typical advantages are mainly reflected in the following four points:
(1) Technical innovation of twin screw extrusion equipment;
(2) The advantages provided by the new extruder screw elements in the compounding and modification of degradable plastics;
(3) Application of high-yield and high-efficiency screw combination in compounding modification of degradable plastics;
(4) From raw materials to finished product packaging, the entire production line is highly automated and highly intelligent, and the overall plan is optimized.
Tel: +86-25-52706155
E-mail: info@kymach.com
No.59 West Tianyuan Road, Jiangning, Nanjing, Jiangsu Province, China
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