公开(公告)号：EP0754656A1

公开(公告)日：1997-01-22

申请号：EP96901948.8

申请日：1996-02-07

申请人： Daicel Huels Ltd.

发明人： IKEMOTO, Yoshiyuki ,  IKUTA, Toru

IPC分类号： C04B24/04 ,  C04B24/28 ,  C04B103/24 ,  B28B11/08 ,  B28B1/14

CPC分类号： C04B41/009 ,  B44C1/105 ,  B44C1/22 ,  B44C5/0438 ,  C04B24/26 ,  C04B24/283 ,  C04B41/5323 ,  C04B2103/20 ,  C04B2103/22 ,  Y10T428/28 ,  Y10T428/2852 ,  Y10T428/31786 ,  Y10T428/31794 ,  C04B28/02 ,  C04B41/4513 ,  C04B41/4511

摘要： A polyester obtainable by a reaction of a polycarboxylic acid component comprising a polycarboxylic acid having 2 to 6 carbon atoms in the main chain (e.g. maleic anhydride), and a polyol component comprising a polyhydric alcohol having 2 to 4 carbon atoms or its condensate is used as a cement retarder. An unsaturated polyester may also be used as a polymerizable composition comprising a polymerization initiator, a polymerizable vinyl monomer or others. The retarder may be a particle of a cured product of an unsaturated polyester. A retardative sheet can be formed by applying or impregnating a composition comprising the retarder and a tacky adhesive to a base sheet. By forming a predetermined pattern with the use of the retarder or sheet in a form, depositing a mortar composition, washing a surface of the hardened concrete, and washing out uncured mortar, a figure or a washing finished surface is formed on a surface of a concrete product.

摘要翻译： 使用通过包含主链中具有2至6个碳原子的多元羧酸（例如马来酸酐）的多元羧酸组分和包含具有2至4个碳原子的多元醇或其缩合物的多元醇组分的反应获得的聚酯 作为水泥缓凝剂。 不饱和聚酯也可以用作包含聚合引发剂，可聚合乙烯基单体等的可聚合组合物。 缓凝剂可以是不饱和聚酯的固化产物的颗粒。 阻滞片可以通过将包含阻滞剂和粘性粘合剂的组合物涂布或浸渍到基片上而形成。 通过使用形式的缓凝剂或片材形成预定图案，沉积研钵组合物，清洗硬化混凝土的表面并清洗未固化的砂浆，图形或清洗完成的表面，形成在表面上的 混凝土产品。