Method for producing composite fiber, composite fiber, and agricultural composite fiber web
Composite fibers were prepared by polishing and surface modifier treatment with zinc oxide and tungsten oxide doping, which solved the problem of balancing light transmittance and heat insulation in agricultural netting materials. This resulted in composite fibers with high light transmittance and heat insulation, suitable for agriculture and clothing textiles.
CN122304046APending Publication Date: 2026-06-30IND TECH RES INST
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- IND TECH RES INST
- Filing Date
- 2024-12-30
- Publication Date
- 2026-06-30
AI Technical Summary
Technical Problem
Existing agricultural netting materials struggle to balance light transmittance and heat insulation, which negatively impacts crop growth.
Method used
By using polishing and surface modifiers with zinc oxide and tungsten oxide as dopants, an inorganic powder dispersion is formed. After spray drying, it is mixed with polymers to produce composite fibers. The fibers are then used to achieve uniform dispersion in the spinning process, reducing spinneret blockage and achieving good UV resistance, heat insulation, and weather resistance.
Benefits of technology
It achieves high light transmittance and heat insulation of composite fibers, reduces spinneret blockage in the spinning process, and is suitable for agriculture and clothing textiles.
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Figure CN122304046A_ABST
Abstract
This invention provides a method for preparing composite fibers, composite fibers, and composite fiber nets for agricultural use. The method for preparing composite fibers includes: providing doped zinc oxide and polishing it to form polished doped zinc oxide; reacting the polished doped zinc oxide with a surface modifier to form a surface-modified doped zinc oxide dispersion; providing doped tungsten oxide, polishing it to form polished doped tungsten oxide, and mixing the polished doped tungsten oxide with the surface-modified doped zinc oxide dispersion to form an inorganic powder dispersion; spray-drying the inorganic powder dispersion to form inorganic powder; dispersing the inorganic powder in a polymer to form a composite fiber composition; and spinning the composite fiber composition to obtain composite fibers.
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