怎么做水泥发泡剂

高分急急急急急急
2024-12-24 23:02:35
推荐回答(1个)
回答1:

  水泥发泡剂 产品简介:
  一.概述

  国内目前使用的水泥发泡剂主要分为三种类型:
  1.松香皂发泡剂

  松香皂发泡剂是使用较早的一种发泡剂,是以松香和氢氧化钠等为主要原料经过皂化反应制取,其主要成分为松香树脂的钠盐,外观呈浅黄褐色液体。其制造工艺简单,材料成本较低,但其发泡能力及泡沫强度也较差,已逐渐被淘汰,只有少数厂家还在生产。

  2.动物性发泡剂

  动物性发泡剂是以动物(牛、羊)角质蛋白为主要原材料,加入一定量的氢氧化钠、盐酸、氯化镁等化工原料,加温溶解、稀释、过滤、高温缩水而成,呈暗褐色粘性液体,亦称蛋白质型发泡剂。质量合格的动物性发泡剂具有发泡量大、泡沫强度高、持续时间长等优点,目前国内厂家生产的发泡剂多为该种产品。

  3.植物性发泡剂

  植物性发泡剂是以天然高分子材料为原料,经一系列复杂的化学反应生成。这种发泡剂为淡黄色透明液体,溶于水,对硬水不敏感,无毒、无味,具有优异的发泡能力,泡沫丰富、细密,韩国地暖施工中使用的发泡剂80%为该种产品。

  动物性发泡剂和植物性发泡剂性能比较(该资料来自韩国媒体):

  动物性发泡剂 植物性发泡剂
  外观 暗褐色粘性液体 浅黄褐色液体
  成分 动物角质/天然高分子物质 POLYETHOXYLATED化合物
  气泡形态 独立气泡,泡径0.2-0.6mm 连接气泡,泡径0.5-1.2mm
  气泡外观 强韧不透明泡沫 网状泡沫
  PH值 6.3-6.9 6.5-7.5
  比重 1.18-1.2 1.0
  吸收率 ≤25% ≥40%
  长期强度 与时间成正比,非常优秀
  优秀
  流动点 -5℃以下 -5℃以下
  压送力 优秀 较优秀
  施工环境 5℃以上全天候使用 厚度超过100mm时裂纹严重

  用途 要求比重均一、耐水性的工程
  建筑、土木工程填充材料
  安全性 化学性安全稳定,对人体无害,对硬水稳定

  二.水泥发泡剂特点

  我公司引进韩国技术生产植物型水泥发泡剂。该发泡剂以天然高分子材料为原料,产品呈浅黄色的纯净透明油状液体,对硬水不敏感,无毒、无味,无沉淀物;PH值接近中性,对水泥和金属无腐蚀性,对环境不产生污染,加入量更少,每桶发泡剂(200kg)可生产发泡水泥16000平方米(3cm厚)以上,降低施工成本。

  三.技术参数

  项 目 参 数
  外观 浅黄色透明油状液体
  比重(kg/L) 1.06
  PH值 6.797-7.205
  无机盐含量 ≤0.48%
  吸收率 ≥40%
  色泽(APHA) ≤50
  耗用量(kg/m3) 0.35-0.45
  使用温度(℃) ≥5
  安全性 化学性质稳定,无毒、无味,不燃烧
  包装(kg) 小塑料桶 50
  大塑料桶 200

  四 应用范围
  1)地面辐射采暖的绝热层及屋顶隔热保温;
  2)建筑物内外填充墙砌块,隔音墙壁;
  3)市政管道如供水、供暖,输油管道等的保温、防潮、防腐;
  4)植物栽培温室和贮藏冷库的建造;
  5)填充隧道内部空隙及建筑物缝隙;
  6)人行道、运动场、球场的基层铺设;

  五 贮存

  发泡剂应密封存放在专用仓库或固定的场所妥善保管,以易于识别和便于检查。应放用后将剩余溶液密封保存,勿混入异物。本产品不属易燃、易爆品。本产品保质期为2年,当产品在保质期内出现质量问题及变质时,应及时与供应商联系。

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