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    • 66. 发明公开
    • Method of maintenance of structure like building and paved road
    • Verfahren zum Unterhalten von Konstruktionen wieGebäudenund beschichteten Strassen
    • EP0985458A2
    • 2000-03-15
    • EP99116862.6
    • 1999-09-03
    • Kabushiki Kaisha Hanogumi
    • Otsuki, Yoshio
    • B08B7/00E04G23/00E01H1/00
    • B08B6/00B08B7/0014C04B41/5315E01H1/00E01H1/103E04G23/002
    • The present invention has an object to permit efficient and safe cleaning of a stain such as dust or molds produced on the surface of a structure including a building without damaging the cleaning site and the surrounding environment. A method of the invention comprises the steps of spraying an aggregating agent 4 comprising a cationic linear organic polymer onto the surface 2 of such structure 1 having a stain 3 produced thereon, dissociating the stain particles by use of Coulomb force f generated between the stain particles and the aggregating agent, displacing slightly the stain particles along the surface of the structure 1 to cause peeling thereof from the surface to be cleaned 2, and simultaneously, aggregating the same for cleaning.
      Another object of the invention is to maintain water permeability of a road (11) by easily eliminating a stain (15) adhering to the surfaces of granular aggregate particles forming a drainage-type pavement layer (12) of a road (11) without the use of various mechanical tools. Another method of the invention comprises the steps of depositing an aggregating agent (13) for soil improvement comprising a cationic organic polymer onto a drainage-type pavement layer (12) of a road (11), and eliminating the aggregated stain particles adhering to the surfaces of the granular aggregate particles constituting the drainage-type pavement layer (12) and settling in voids.
    • 本发明的目的是允许在包括建筑物的结构的表面上产生的灰尘或模具等污渍的有效和安全的清洁,而不损害清洁部位和周围环境。 本发明的方法包括以下步骤:将包含阳离子线性有机聚合物的聚集剂4喷洒在其上产生污渍3的结构1的表面2上,通过使用在污渍颗粒之间产生的库仑力f解离污斑 和聚集剂,沿着结构1的表面稍微移动污渍颗粒,使其从待清洁表面2剥离,同时聚集在清洁表面上。 本发明的另一个目的是通过容易地消除粘附在形成道路(11)的排水型路面层(12)的颗粒状颗粒的表面上的污渍(15)来保持道路(11)的透水性,而没有 使用各种机械工具。 本发明的另一种方法包括以下步骤:在道路(11)的排水型路面层(12)上沉积包含阳离子有机聚合物的用于土壤改良的聚集剂(13),并且消除粘附在所述道路 构成排水型路面层(12)的粒状聚集体颗粒的表面并沉降在空隙中。