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  • 标题:Performance of Microencapsulated Fungicide in Exterior Latex Paint on Wood Substrate
  • 本地全文:下载
  • 作者:Wan Asma Ibrahim ; Ahmad Shakri Mat Seman ; Nurulhuda Mohd. Nasir
  • 期刊名称:Pertanika Journal of Social Sciences & Humanities
  • 印刷版ISSN:0128-7702
  • 电子版ISSN:2231-8534
  • 出版年度:1989
  • 卷号:12
  • 期号:3
  • 出版社:Universiti Putra Malaysia
  • 摘要:3-iodo-2^?ropynyl butyl carbamate (IPBC) was encapsulated by in situ polymerization of urea formaldehyde resin of crosslink (formaldehyde : urea) ratios 1 and 2. The kaching rate of the microcapsuks was reduced compared to the free fungicide. Microcapsuks prepared at the higher urea formaldehyde crosslink ratio gave a lower kaching rate. Two concentrations based on the weight of the active ingredient per volume of paint (a.i./v) of 0.3 % and 1 % of microcapsuks or free IPBC were incorporated into exterior latex paint and applied onto rubberwood panels. The panels were then exposed to the environment A longer protection from discoloration was provided by the encapsulated IPBC of 1% concentration.
  • 关键词:Microencapsulation;urea formaldehyde resin; control release and exterior latex paint.
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