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Double Breakthrough In Dyeing Process And Functional Properties Of Bio Based Nylon
Under the background of actively promoting the "double carbon" goal and accelerating the development of green and low-carbon economy, bio based materials are becoming a key breakthrough for the textile industry to break resource constraints and achieve sustainable development. As one of the outstanding enterprises in the field of bio based nylon in China, Heilongjiang Yipin New Material Co., Ltd. (hereinafter referred to as Yipin Biology) has successfully built a bio based nylon 56 - Yilun with full independent intellectual property rights with ten years of scientific research efforts ®。 This green material, starting from industrial corn, has brought innovation from molecular structure to industrial ecology to the bio based nylon industry.
Synthetic Biology Rewrite Material Genes
Breaking through the production bottleneck of nylon, which is a traditional fossil based source, Yipin Biology uses corn starch sugar as the raw material, through genetic engineering to transform the microbial metabolic path, uses lysine as the precursor, develops the biological pentylenediamine, and provides green solutions for the nylon industry. The raw materials for the production of pentanediamine come from plants. The fermentation and extraction process are both at room temperature and normal pressure. The energy consumption is far lower than that of chemical methods, and the carbon emissions are significantly reduced. The "green manufacturing" really runs through the whole chain from farmland to fiber.
"Our use of synthetic biological technology is like installing a 'biological programmer' on microorganisms to precisely regulate metabolic pathways," said Guo Xiaowei, director of research and development of Yipin Biotechnology, when revealing the core of technology, "which makes Yilun ® It not only has environmental protection properties, but also has material properties superior to traditional nylon. "
The hydrogen bond structure of nylon materials directly affects the performance. The petroleum based nylon 66 is saturated with hydrogen bond, which gives strength to the material but sacrifices flexibility. Ilon ® The unique molecular shape liberates the hydrogen bond, maintains the natural "activity" of the material, and endows the material with a silky flexible touch; The odd carbon chain structure increases the molecular spacing, making the dye molecules easier to penetrate and combine.
According to the third-party test data, Elan ® The moisture regain is about 5.5%~6%, which can significantly reduce the itching and electrostatic effects caused by excessive drying, and at the same time, it can ensure that the fabric is always dry, avoiding the situation of single moisture absorption without moisture discharge. Ilon ® The thermal conductivity is higher, the heat conduction is rapid, and the contact cooling sensitivity coefficient is higher than the national standard. Meanwhile, Elon ® The "active" structure of the molecular chain enables it to absorb water more quickly, and transmit heat to the outside of the fabric, so that it can maintain a cool body feeling even if it is worn for a long time.
Low temperature dyeing helps textile green evolution
"Traditional nylon dyeing starts at 50~60 ℃, while Ilon ® Coloring can be started at 40 ℃. ”Wang Song, the R&D manager of Yipin Biological Application, pointed out that "Yilun ® In the microstructure, there are many molecular gaps, and the increase of the molecular chain spacing is conducive to the entry of dyes, the combination of dyes, the deep color, bright and elegant dyeing effect, and excellent color fastness. Dyeing can be achieved at a temperature and pressure lower than that of ordinary chemical fiber dyeing. The dyeing process significantly reduces energy consumption and saves dyes, which meets the energy efficiency requirements of the national "double carbon" strategy for textile printing and dyeing. "
In the wave of sustainable fashion, Elon ® The combination with plant dyes is a "perfect match". Its loose molecular structure makes turmeric, madder and other natural dyes easier to attach, providing an ideal carrier for plant dyeing, as well as a rich space for designers to innovate.
When traditional nylon 6 is blended with other chemical fibers, disperse dye dyeing process is easy to cause serious contamination ® It shows excellent anti staining performance, bringing more advantages to the development of blended products. Ilon ® It is a pair of complementary "dark green" combination with PLA fiber. This combination can not only improve the biological content of the fabric, but also make up for the lack of strength of the PLA fiber. While ensuring the natural color of PLA fiber ® The combination of good moisture absorption characteristics and the excellent moisture conductivity of PLA fiber can better reflect the thermal and wet comfort of the fabric, significantly expand the application boundary of materials, and provide more possibilities for the development of new products in the field of sun protection clothing.
Value transition from function to scenario
The "14th Five Year Plan" Bioeconomy Development Plan clearly includes "steady development of bio energy, obvious progress in replacing traditional chemical raw materials with bio based materials and replacing traditional chemical processes with biological processes" into the development goals of China's biotechnology and bio industry during the "14th Five Year Plan" period. In this context, bio based nylon ushered in a broad development prospect. At the same time, as consumers pay more attention to environmental protection materials, the application of bio based nylon in clothing, home textiles and other fields continues to expand.
For example, Yipin Biology cooperated with Lixin Group Textile Research (Jiangsu) Co., Ltd. (hereinafter referred to as Lixin Textile) to launch ® Innovative fabrics. "When communicating with end customers, customers can clearly feel the unique advantages of bio based nylon fabric compared with traditional nylon 6 fabric. First, its high cooling index can bring users a cooler wearing experience; second, the tear resistance strength is improved, which enhances the durability of the surface material; third, the wear resistance is high, which can extend the service life of the fabric by about 20%. This means that consumers could only wear clothes for two seasons, but now the service cycle has been extended, and the purchase cost has been reduced in the long run. From the perspective of the market environment, with the active advocacy of the government for environmental protection products and the recognition and support of brand operators for the concept of environmental protection, the market demand for bio based nylon fabrics shows a positive trend. ”Luan Yong, general manager of Lixin Textile Brand, said.
In terms of cooperation with terminal brands, Ipin Biotech launched a platform based on Ipin ® Yoga clothes and sunscreen clothes, etc ® The natural moisture conductivity of molecular gap realizes moisture absorption, breathability and quick drying. It has both hand feel and functionality, and is natural and widely recognized by the market. Consumer to Elon ® The feedback from the end products is also very positive. They think that Elon ® The fabric is soft and skin friendly, cool and comfortable to wear, suitable for long-term sports and high-intensity outdoor activities.
When consumers' fingertips touch not cold chemical fiber but life filled softness ® It has gone beyond the physical definition of material itself and become a declaration on the harmonious relationship between "human, science and technology, and nature". On the new track of bio based materials, Ipin Biology has constantly helped the industry to make a leap from scale expansion to value creation.
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