The polyurethane waterproofing paint without tar is produced with certain liquid hydroxylated resin instead of coal tar.
以一定量液态的羟基树脂替代煤焦油制作无焦油型聚氨酯防水涂料。
The technique for preparing phenol-formaldehyde resin adhesive from bamboo tar and its characters were studied and analyzed.
研究了用竹焦油部分替代苯酚合成酚醛树脂胶黏剂，并对其性能进行分析。
The action mechanism of coal tar, coupling agent, resin and consolidating body was also discussed.
还讨论了煤焦油、偶联剂、树脂与粘结体之间的作用机理。
The technique for preparing phenol-formaldehyde resin adhesive from straw tar and its properties were studied and analyzed.
用稻草焦油部分替代苯酚合成酚醛树脂胶黏剂，并对其性能进行了分析。
The technique for preparing phenol-formaldehyde resin adhesive from bamboo tar and its characters were studied and analyzed.
用稻草焦油部分替代苯酚合成酚醛树脂胶黏剂，并对其性能进行了分析。
The technique for preparing phenol-formaldehyde resin adhesive from bamboo tar and its characters were studied and analyzed.
用稻草焦油部分替代苯酚合成酚醛树脂胶黏剂，并对其性能进行了分析。
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