It showed that isocyanate index (the ratio of NCO to OH) and lignin content influenced the properties of synthesized polyurethane.
结果表明，异氰酸酯指数和改性木素含量对聚氨酸性能有影响。
The effects of water blowing agent, cross-linking agent, Isocyanate index and flame retardants on flame-retardant of the HR foam were discussed.
讨沦了水发泡剂、交联剂、异氰酸酯指数、阻燃剂等对泡沫阻燃性的影响。
The effects of water blowing agent, cross-linking agent, Isocyanate index and flame retardants on flame-retardant of the HR foam were discussed.
讨沦了水发泡剂、交联剂、异氰酸酯指数、阻燃剂等对泡沫阻燃性的影响。
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