实验结果说明,聚乙烯蜡膏,膨通预凝胶在闪光漆中有着重要作用。
The result of experiment shows that polyethylene cerate and bentonite pregel play important roles for flash primer.
采用本发明的聚氨酯预聚体作为交联剂,通过常规自由基 溶液聚合就可制得水凝胶。
The polyurethane cross-linking agent has a structural formula (I) and can be used for preparing aquagel.
考查了间苯二酚与苯酚物质的量比、酚与醛物质的量比、预反应时间等因素对胶粘剂凝胶时间与剪切强度的影响 ;
The effects of mole ratio between resorcinol and phenol, also between phenol and aldehyde , original reaction time on gel time and shear strength were studied.
利用红外光谱(FTIR)和凝胶色谱(GPC)表征了PU和SPU预聚体的结构和分子量,证明了硅烷偶联剂成功地接枝于PU预聚体的端基上。
The structure of NCO-teminated polyurethane prepolymer and SPU was characterized by FTIR and GPC. Results showed that silane coupler was successfully grafted to the end of polyurethane prepolymer.
利用红外光谱(FTIR)和凝胶色谱(GPC)表征了PU和SPU预聚体的结构和分子量,证明了硅烷偶联剂成功地接枝于PU预聚体的端基上。
The structure of NCO-teminated polyurethane prepolymer and SPU was characterized by FTIR and GPC. Results showed that silane coupler was successfully grafted to the end of polyurethane prepolymer.
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