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市場(chǎng)價(jià):元價(jià)格:元

  • 中文名稱:石英石專用偶聯(lián)劑
  • CAS RN:
  • EINECS號(hào):
  • 分 子 式:
  • 分 子 量:
  • 分子式:
物性數(shù)據(jù) 性狀 無(wú)色或淡黃色透明液體
純度 有效物質(zhì)含量≥98.0%
密度(25℃) 0.9700~1.0000g/mL
沸點(diǎn)(760mmHg)
閉杯閃點(diǎn)
折光率(25℃) 1.4000-1.4500
溶解性
存儲(chǔ)方法: 密封儲(chǔ)存,避光避濕避高溫保存。
特?? 性: 易溶于多種有機(jī)溶劑,易水解,縮合形成聚硅氧烷,
過熱、光照、過氧化物存在下易聚合。
用途與作用: 與大多數(shù)有機(jī)溶劑的混溶性好,具有良好的滲透浸潤(rùn)性、偶聯(lián)性,分散能力卓越。用于不飽和聚酯復(fù)合材料中,可以提高復(fù)合材料機(jī)械性能如增加強(qiáng)度、提高韌性,特別是能大幅度提高復(fù)合材料的濕態(tài)性能。在人造石英石中硅烷偶聯(lián)劑能增強(qiáng)石英粉,石英砂,玻璃砂與不飽和樹脂的粘結(jié)強(qiáng)度,可提高填料的分散性、流動(dòng)性以及與樹脂的復(fù)合,提高人造石材的彎曲強(qiáng)度和彈性模量,可提高石材的干、濕狀態(tài)強(qiáng)度。具有增強(qiáng)填充料在樹脂體系中的偶聯(lián)分散力,耐水、耐污、抗潮性能。
使用方法及用量: 在人造石英石、崗石上,添加方式有兩種:
1、直接添加到樹脂里分散均勻;
2、用稀釋劑(甲苯、甲醇、苯乙烯等)稀釋后均勻噴灑在填料里。
LT-575的用量為樹脂用量的0.5-1.5%。
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