Title:
防草材及びそれの使用方法
Document Type and Number:
Japanese Patent JP6649774
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a weed control material and its usage in which a cure period is short and initial strength development is high, a frost damage at early age and cracking resistivity are applied, labor of mowing can be reduced, and persistence of weed control and environmental protection can be ensured.SOLUTION: (1) A weed control material is formed by containing a calcium aluminate, polymer for cement admixture and soil. (2) Further, the weed control material of (1) is formed by containing gypsum. (3) The weed control material of (1) or (2) contains the calcium aluminate CaO/AlOhaving a molar ratio of 1.0-3.0 and impurities of 15 mass% or less. (4) Further, any weed control material of (1) to (3) is formed by containing fibers. (5) Further, any weed control material of (1) to (4) is formed by containing a calcium silicate. (6) The usage of the weed control material is provided by spreading any weed control material of (1) to (5) on the ground to be watered and coated thereupon. (7) The usage of the weed control material is provided in which any weed control material of (1) to (5) is mixed with water and kneaded, and is spread on the ground to coat it.SELECTED DRAWING: None
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Inventors:
Takashi Sasaki
Isao Terashima
Akira Watanabe
Minoru Morioka
Isao Terashima
Akira Watanabe
Minoru Morioka
Application Number:
JP2016003993A
Publication Date:
February 19, 2020
Filing Date:
January 13, 2016
Export Citation:
Assignee:
Denka Co., Ltd.
International Classes:
A01M21/00
Domestic Patent References:
| JP2015074896A | ||||
| JP2007029045A | ||||
| JP2005087041A | ||||
| JP2009240230A | ||||
| JP2013001585A | ||||
| JP2012017235A | ||||
| JP2013095626A |
Foreign References:
| KR1020130134414A |
Attorney, Agent or Firm:
Axis International Patent Business Corporation