公开(公告)号：US3839139A

公开(公告)日：1974-10-01

申请号：US37384573

申请日：1973-06-26

Applicant: UNITIKA LTD

Inventor： ITO K ,  ISHIMOTO A ,  YAMADA Y ,  INOUE H ,  NOZU T

IPC: A01G13/02 ,  D04H3/16 ,  D04H13/00

CPC classification number: A01G13/0268 ,  D04H3/16 ,  Y10T428/24355 ,  Y10T428/2443 ,  Y10T428/24826 ,  Y10T428/24893

Abstract: A light-occluding and water-permeable non-woven sheet suitable for use as a weed growth inhibiting sheet, heat insulating sheet or light-shielding sheet, comprising a non-woven sheet of continuous filaments having a solar ray-absorbing substance such as carbon black contained therein or coated on their surfaces, said non-woven sheet having a light-occluding rate of at least 60 percent, a water-permeability of at least 40 percent and a unit weight of 20 to 200 g/m2.

Abstract translation: 适合用作杂草生长抑制片，隔热片或遮光片的遮光透水性无纺布片，包括具有太阳能吸收物质如碳的连续长丝的无纺布片 其中所含的黑色或涂在其表面上，所述无纺布片具有至少60％的遮光率，至少40％的透水性和20-200g / m 2的单位面积重量。