| 摘要 |
A composite stretching film for agriculture. The composite stretching film is formed by compositing two layers of stretching film through adhesive hot pressing or through ultraviolet curing in such a form that the main stretching directions intersect each other. Compared to an existing monolayer film for agriculture with the same thickness, the composite stretching film not only has significant improvements in both the transverse tensile strength and the longitudinal tensile strength, but also has significant improvements in both the transverse tear strength and the longitudinal tear strength, and can realize that a relatively thin thickness can meet the agricultural utilization requirements, so as to reduce the usage cost; in particular, the composite stretching film also has a high transmittance and little change in the transmittance, and has advantages such as a better heat preservation performance and humidity adjusting performance, etc. |
