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Recommendation Reasons
Using renewable biological substances to replace the traditional petroleum
raw material, which greatly reduces the carbon emissions of spandex
products. On the basis of maintaining product performance, providing
consumers with green spandex products.
Processing Technology
By using biobased monomers, which are derived from renewable biomass via biofermentation,
linear bio-based polyester diols are synthesized by polycondensation and dehydration reaction.
Afterwards, all or part of the bio-based polyester diols are used as the raw material to prepare
spinning stock solution, and finally the bio-based spandex fibers are produced by dry spinning
technology.
Characteristics of Fiber and Product
Main Specifications
AoShen:20~560D
Huafon:20~70D
Standards and Certifications
Spandex filament yarns(Q/HFHX-J01004-2022)
Spandex filament yarns(FZ/T 54010-2014)
Fiber Performance and Product Features
. Bio-based raw material with 30~76% bio-based carbon content
. Green, low-carbon, environmentally-friendly, and biodegradable
. High elongation, and high elastic recovery rate
| Specifications | Breaking strength (cN/dtex) | Elongation at break (%) | 300% elongation strength(cN/dtex) | 300% elongation elasticrecovery rate (%) | Bio-based carboncontent (%) | 60-day degradationrate (%) |
| AOShen 40D | 1.04 | 680 | 0.31 | 95.4 | 30~76 | 9.29% |
| Huafon 40D | 1.47 | 542 | 0.21 | 92.4 | 38 | — |
The downstream application guidance
Weaving: Can be used in the knitted fabric fields such as covering yarn, circular knitting and
warp knitting
Application instance
| Application field | Raw material proportioning | Main products and features |
| Lingerie, underwear | Cotton-spandex plain fabric: 95% cotton, 5% bio-based spandex 65% bio-based polyamide, 35% bio-based spandex | Soft, comfortable, elastic, not easy to deform |
| Outerwear,outdoorclothing | Dacron-spandex double-faced fabric: 77% dacron, 23% bio-based spandex | Soft,comfortable,breathable, not easy to deform |
| Yoga wear, T-shirt | Chinlon-spandex single-faced plain fabric: 85% nylon, 15% bio-based spandex 82% dacron, 18% bio-based spandex | Soft and skin-friendly, with good elasticity and breathability |
| Children’s wear | 79% bio-based chinlon,21% bio-based spandex | Skin-friendly, comfortable |
Fiber Application
Clothing textiles:Leisure wear,sportswear,Home wear,Jeans,Clothing,textiles,Lingerie,Sock,Swimsuit,Shirt
Q: What are the promotion advantages of bio-based spandex compared with conventional spandex?
A: Bio-based spandex is a renewable elastic fiber made from bio-based raw materials. Compared with conventional spandex, it can greatly reduce the carbon footprint, and has the advantages of energy conservation and emission reduction, as well as green and environmental protection. In addition, it can be combined with other natural fibers and synthetic fibers in sportswear, ready-to-wear and other textile fields. Under the current strategic targets of “carbon neutrality” and “carbon peaking ” , the market size of bio-based spandex will continue to expand.
In the field of nonwoven fabric manufacturing, bicomponent fibers, with their unique structure and properties, have become an extremely promising material. Particularly, the bicomponent fibers made of polyethylene (PE) and polypropylene (PP) exhi...
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YUAN Yuanyuan， WANG Jianzhao， SUN Huiyu ，ZHANG Xiangli，SUN Lixia(1. Technology Center of Shijiazhuang Customs District，Shijiazhuang Hebei，050051;2.PetroChina Hebei Marketing Company, Shijiazhuang Hebei，050051) Abstract: When conducting...
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