The invention relates to a
machine-washable ultra-light sunscreen
wool fabric and a preparation process thereof. The preparation process specifically comprises the following steps: carrying out shrink-proof treatment on superfine
wool yarns subjected to cleaning,
degreasing and
wax removal treatment by utilizing a shrink-proof finishing agent to obtain shrink-proof superfine
wool yarns; the preparation method comprises the following steps: mixing mineral nano particles, a
silane coupling agent and nylon 66 slices to obtain a mixed
system, and carrying out
melt extrusion, cooling molding and drafting setting treatment on the mixed
system to obtain FDY (Fully Drawn
Yarn) filaments; fDY filaments are used as
yarn cores, anti-shrinkage superfine wool yarns are used as outer
layers, wool core-spun yarns are prepared through a core-spun
yarn process, and the fabric is obtained by
spinning the wool core-spun yarns as warp yarns and weft yarns. The shrink-proof superfine wool
yarn is prepared through shrink-proof treatment, the shrink-proof performance of the product is excellent, the
machine washing target can be achieved, nylon 66 slices are used as raw materials, mineral nanoparticles are added, the nylon 66 slices are made into FDY filaments, the sun-proof and
ultraviolet-proof performance of the product can be improved, and the wool core-spun yarn can achieve the purposes of light weight and product strength increasing.