-
公开(公告)号：KR1020100091485A
公开(公告)日：2010-08-19
申请号：KR1020090010692
申请日：2009-02-10
Applicant: 전남대학교산학협력단
Abstract: PURPOSE: A manufacturing method of a concrete dispersing agent is provided to use aqueous aromatic type waste for manufacturing the concrete dispersing agent, and to remove the cause of offensive odor, through the ozone preprocessing and the esterification. CONSTITUTION: A manufacturing method of a concrete dispersing agent comprises the following steps: preparing a reactant including waste generated from a manufacturing process of an aromatic compound; ozone processing the reactant to apply a carboxy group, and a functional group of-OH; removing a volatile un-reacted monomer; inserting alcohol for the esterification; neutralizing the mixture by inserting an alkali water solution; and oxidizing an odor causing material generated from a low molecular reaction product.
Abstract translation: 目的：提供一种混凝土分散剂的制造方法，通过臭氧预处理和酯化反应，使用含水芳香族废物制造混凝土分散剂，除去异味的原因。 构成：混凝土分散剂的制造方法包括以下步骤：制备包含由芳族化合物的制造过程产生的废物的反应物; 臭氧处理反应物以施加羧基和官能团-OH; 除去挥发性未反应的单体; 插入酒精用于酯化; 通过插入碱水溶液中和混合物; 和氧化由低分子反应产物产生的气味引起的物质。
-
公开(公告)号：KR101096494B1
公开(公告)日：2011-12-20
申请号：KR1020090010692
申请日：2009-02-10
Applicant: 전남대학교산학협력단
Abstract: 본 발명은 콘크리트 분산제 제조 방법에 관한 것으로, 본 발명의 콘크리트 분산제 제조방법은 방향족 화합물 제조공정에서 발생하는 폐기물을 포함하는 반응물을 준비하는 단계; 상기 반응물에 오존으로 처리 하여 반응물에 카르복시기, 히드록시기의 작용기를 도입 및 휘발성 미반응 단량체를 제거하는 단계; 알코올을 첨가하여 에스테르화 및 에테르화하는 단계; 알칼리 수용액을 첨가하여 중화시키는 단계; 산화제를 첨가하여 저분자의 반응 생성물의 악취원인 물질을 산화시키는 단계를 포함하여 이루어지는 것을 그 특징으로 한다.
본 발명은 분산성, 슬럼프, 경시변화 현상, 악취 등 종래 콘크리트 분산제의 문제점들을 해결한, 성능이 우수한 콘크리트 분산제를 제조할 수 있도록 하였다.
메틸메타크릴산, 테레프탈산, 콘크리트 분산제, 방향족화합물, 오존-
公开(公告)号：KR100847585B1
公开(公告)日：2008-08-05
申请号：KR1020070049739
申请日：2007-05-22
Applicant: 전남대학교산학협력단
Abstract: A concrete dispersant manufacturing method is provided to prevent the offensive odor of a concrete dispersant and to secure high workability due to the low early aging phenomenon and high dispersability and compressive strength. A concrete dispersant manufacturing method comprises the steps of: preparing a reactant including wastes generated during an aromatic compound manufacturing process; dehydrating and sulfonating the reactant by adding sulphuric acid; esterifying the dehydrated and sulfonated reactant by adding alcohol; neutralizing the reactant by adding an aqueous alcohol solution; and oxidizing the reactant by adding an oxidizing agent. The reactant contains at least one selected from a group comprising lignin sulfonate, naphthalene sulfonate formaldehyde, and petroleum sulfonate dispersants. Wastes and a concrete dispersant added to the reactant are mixed at the ratio of 100:1~30:70.
Abstract translation: 提供了一种混凝土分散剂制造方法，以防止混凝土分散剂的恶臭，并且由于低的老化现象和高分散性和抗压强度而确保高的加工性。 具体的分散剂制造方法包括以下步骤：制备包含在芳族化合物制造过程中产生的废物的反应物; 通过加入硫酸使反应物脱水和磺化; 通过加入乙醇使脱水和磺化的反应物酯化; 通过加入醇水溶液中和反应物; 并通过加入氧化剂氧化反应物。 反应物含有选自由木质素磺酸盐，萘磺酸盐甲醛和石油磺酸盐分散剂组成的组中的至少一种。 添加到反应物中的废物和混凝土分散剂以100:1〜30:70的比例混合。
-
-
Search Results
3
records
(took 0.016 seconds)
