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Industrialization of biodegradable non-woven fabrics
by：Sunshine
2021-04-05
With the improvement of living standards, the aging of the population and the concern for hospital internal feeling (HAN), disposable medical non-woven fabrics usher in great development opportunities in our country.
At present, domestic products are mainly polypropylene (PP) non-woven fabrics, with a single product structure and lack of competitiveness. The development of a new generation of bio-based biodegradable non-woven fabrics not only fully meets the safety and ease-of-use requirements of disposable protective products, but also gives the products new green and environmental protection characteristics, so it is in line with the latest development trend in this field.
The diversification of the sources of biodegradable polylactic acid (PLA) resins and the expansion of the polymerization scale have made their cost close to the level of general petroleum-based resins (PP, PET, etc.), and will not be affected by oil prices in the future; The PLA spinning process is similar to PP and PET. The existing P and PET spinning lines can be used to produce PLA fibers and non-woven fabrics, which greatly saves equipment investment and processing costs; PLA non-woven fabrics can be used and discarded within a few months under composting conditions. It can be completely biodegradable, not only does not cause a burden on the environment, but also participates in natural circulation.
Technical advantages The melt spinnability of PLA copolyester was verified on a two-component composite melt spinning machine, and PLA copolymer fiber with mechanical properties between low melting point PET and PLA fiber was successfully prepared, and its biodegradability Meet the requirements of ASTMD53382 level standard. At present, a pilot production capacity of 100 tons/year of PLA copolyester and its fiber has been formed. Compared with pure PLA fiber, the moisture absorption and heat resistance of PLA copolymer fiber have been significantly improved, and the cost has been reduced by about 2,000 yuan/ton.
Market Analysis:
The world medical non-woven fabric market is growing steadily. According to GlobalIndustryAnalysts statistics:
In 2010, the global disposable medical non-woven fabric market reached 12 billion U.S. dollars, of which nearly half (5 billion U.S. dollars) were surgical non-woven fabrics (such as surgical gowns, surgical drapes, hole towels, sterilization packs) Wait).
my country's medical non-woven fabric market has huge potential. According to statistics from the Ministry of Health, in 2010, the total number of medical and health institutions nationwide was 937,000, with 4.788 million hospital beds, and the total number of health personnel was 8.208 million. According to the bed utilization rate of 86.7%, the average annual use of cloth for each bed was 150m, and the average annual use of each health worker With a cloth of 10m, the annual amount of cloth used is about 2.7 billion m. Based on the average wash life of traditional medical cotton cloth 10 times, if 30% is replaced by disposable medical non-woven fabrics, it will require 2.1 billion disposable medical day woven fabrics per year. m, about 100,000 tons.
Only in the field of medical protection products and disposable sanitary products, the current domestic annual potential demand is about 270,000 tons. Calculated at 25,000 yuan per ton, the market value exceeds 6.5 billion yuan.
At present, domestic products are mainly polypropylene (PP) non-woven fabrics, with a single product structure and lack of competitiveness. The development of a new generation of bio-based biodegradable non-woven fabrics not only fully meets the safety and ease-of-use requirements of disposable protective products, but also gives the products new green and environmental protection characteristics, so it is in line with the latest development trend in this field.
The diversification of the sources of biodegradable polylactic acid (PLA) resins and the expansion of the polymerization scale have made their cost close to the level of general petroleum-based resins (PP, PET, etc.), and will not be affected by oil prices in the future; The PLA spinning process is similar to PP and PET. The existing P and PET spinning lines can be used to produce PLA fibers and non-woven fabrics, which greatly saves equipment investment and processing costs; PLA non-woven fabrics can be used and discarded within a few months under composting conditions. It can be completely biodegradable, not only does not cause a burden on the environment, but also participates in natural circulation.
Technical advantages The melt spinnability of PLA copolyester was verified on a two-component composite melt spinning machine, and PLA copolymer fiber with mechanical properties between low melting point PET and PLA fiber was successfully prepared, and its biodegradability Meet the requirements of ASTMD53382 level standard. At present, a pilot production capacity of 100 tons/year of PLA copolyester and its fiber has been formed. Compared with pure PLA fiber, the moisture absorption and heat resistance of PLA copolymer fiber have been significantly improved, and the cost has been reduced by about 2,000 yuan/ton.
Market Analysis:
The world medical non-woven fabric market is growing steadily. According to GlobalIndustryAnalysts statistics:
In 2010, the global disposable medical non-woven fabric market reached 12 billion U.S. dollars, of which nearly half (5 billion U.S. dollars) were surgical non-woven fabrics (such as surgical gowns, surgical drapes, hole towels, sterilization packs) Wait).
my country's medical non-woven fabric market has huge potential. According to statistics from the Ministry of Health, in 2010, the total number of medical and health institutions nationwide was 937,000, with 4.788 million hospital beds, and the total number of health personnel was 8.208 million. According to the bed utilization rate of 86.7%, the average annual use of cloth for each bed was 150m, and the average annual use of each health worker With a cloth of 10m, the annual amount of cloth used is about 2.7 billion m. Based on the average wash life of traditional medical cotton cloth 10 times, if 30% is replaced by disposable medical non-woven fabrics, it will require 2.1 billion disposable medical day woven fabrics per year. m, about 100,000 tons.
Only in the field of medical protection products and disposable sanitary products, the current domestic annual potential demand is about 270,000 tons. Calculated at 25,000 yuan per ton, the market value exceeds 6.5 billion yuan.
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