Re-understand hemp
Re-understand hemp
Hanma, also known as thread hemp, cold hemp, hemp, etc., has more than ten other names. According to historical records, hemp originated in China. Clothing and accessories made of hemp have various functions such as moisture absorption, breathability, comfort, heat dissipation, mildew prevention, bacteriostasis, radiation resistance, ultraviolet protection, sound absorption, etc., and can be used for both military and civilian purposes. . As for the effect of making antibacterial socks, it has been widely praised. Hemp is a natural fiber that has been used for fabrics for the first time by humans. It is known as “the source of national textiles and the ancestor of clothing for thousands of years”. Its cultivation history is at least 8,000 years ago.
3 kilograms of hemp rod core can produce 1 kilogram of viscose fiber, reducing the cost per ton by 4,000 yuan; replacing cotton with 1 million tons of hemp will greatly change the product structure and export capacity of my country’s textile industry… In people’s minds, Hemp can only be used to produce traditional rough-processed products such as hemp rope, sacks, and hemp thread for shoe soles. However, Zhang Jianchun, a senior engineer and doctoral supervisor at the Munitions Research Institute of the General Logistics Department of the People’s Liberation Army, recently presented the “Innovative Technology for Comprehensive Utilization of Hemp” “The special report gave us a new understanding of hemp.
It is necessary to remove lignin to change hemp from thick and hard to fine and soft, but also to retain a small amount of lignin to make hemp fibers have a certain length. This is a technical problem that the international textile industry has not been able to solve for many years. However, after more than three years of technical research, our country has successfully developed 6 sets of process equipment with independent intellectual property rights, turning the rough and hard hemp bast into soft and soft textile fibers like cotton. Hemp fiber also has excellent and unique properties, moisture absorption and breathability, antibacterial health care, softness and comfort, anti-ultraviolet radiation, high temperature resistance and sound absorption and wave absorption.
Hemp rod core can also produce viscose fiber. Most of the viscose currently produced in China is made of cotton linters. The fiber has problems such as softness and low strength. Hemp viscose fiber makes up for this shortcoming. Viscose produced with hemp as raw material has special functions such as antibacterial and deodorizing, moisture absorption and perspiration, wave absorption and noise reduction, anti-ultraviolet, and corrosion resistance. The varieties of hemp rod core viscose currently being developed include: high-strength flame-retardant viscose fiber; electromagnetic shielding viscose fiber; viscose tow for cigarette filters, etc. It is understood that Ningbo Youngor and Zhangjiagang Aoyang Group have decided to invest in the production of hemp viscose fiber.
In addition, biodiesel is extracted from hemp seeds, various biofuels can be produced from hemp roots, and medicines are extracted from hemp leaves… Hemp is a “treasure” all over the body. So far, hemp has formed 14 industries ranging from agricultural planting, rough processing, fiber processing, chemical industry, papermaking, viscose, wood plastics, automobile interiors, new building materials, composite materials, food health care, medicine, activated carbon, biodiesel, etc. In the industrial chain of the industry, 15 sets of processing equipment have been successfully developed, 24 invention patents have been applied for or are planned to be applied for, and more than 3,000 products are available.
Hemp is known as the “King of Natural Fibers”. Clothing and accessories made of hemp have various functions such as moisture absorption, breathability, comfort, heat dissipation, anti-mildew, antibacterial, anti-radiation, anti-ultraviolet, and sound absorption. It can be used both for military and civilian purposes. Promoting planting in large areas can effectively alleviate China’s fiber shortage and create a new high value-added path to solve the “agriculture, rural areas and farmers” problems. Its excellent characteristics will bring revolutionary changes to the food, clothing and housing of future soldiers.
Hemp is a raw material for various military clothing and high-end clothing. It is expected to change the structure of today’s textiles. In the future, hemp may also become a substitute for minerals such as petroleum and coal, reducing environmental pollution caused by energy consumption. Hemp is an ecologically friendly, renewable and multi-purpose plant. After degumming, spinning and other processes, it becomes like white cotton batting. It can be spun into wool, cotton or blended at low cost. Hemp’s moisture dissipation is three times that of pure cotton. Hemp fabric can kill attached bacteria within 1 hour; hemp fabric can shield more than 95% of ultraviolet rays and will not fade at high temperatures of 370°C and will not fade at 1000°C. It does not burn and has excellent heat resistance and UV protection; hemp bast can be used for textiles, has adsorption power, and has good air permeability, which can eliminate odors; hemp straw core can be ground to produce wood powder, manufacture activated carbon, and produce Pulp is used to make paper; hemp leaves, hemp flowers, and hemp roots can be used to extract medicines, which have the effects of stopping bleeding, dispersing stasis, detoxifying, and anti-fetus; hemp seed kernels can be squeezed for oil, and its unsaturated fatty acid content is actually higher than that of deep-sea fish oil; hemp The straw core absorbs 11 times more formaldehyde than pine wood, and has the special function of decomposing harmful chemical gases. qwqewrqwe
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