A weather resistant IPN-improved acrylic polyurethane coating has been developed by controlling the composition of acrylic prepolymer and coating formulation.

通过调整丙烯酸组分的单体组成和涂料配方，研制出一种耐候性的IPN改性丙烯酸聚氨酯涂料。

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An aromatic isocyanate is introduced into an IPN coating system to partly substitute the aliphatic isocyanate.

利用IPN技术将芳香族异氰酸酯引入互穿聚合物网络涂层，取代部分脂肪族异氰酸酯。

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The result showed that IPN method was effective in toughening epoxy resin.

实验结果表明，用IPN方法增韧环氧树脂效果良好。

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IPN-capable spacecraft, the first of which could be flying by 2005.

ECONOMIST: An interplanetary Internet: The wire of the worlds | The

IPN, the agency that keeps Poland's communist-era documents, accused a 69-year-old Dominican friar, Konrad Hejmo, of collaborating with the Polish intelligence services in the 1980s.

ECONOMIST: A tale of papal intrigue and mystery