求翻译：由于实验中面涂涂布量也较多，与底涂涂布量相同，所以面涂后，面涂涂料对涂层覆盖性能的贡献很大。从表3可以看出，经大豆蛋白聚合物配方涂料底涂并面涂后的纸板白度下降值低于参考配方涂料，说明经大豆蛋白聚合物配方涂料底涂并面涂的纸板可以获得更加优越的涂层覆盖性能。是什么意思？

Topcoat coating weight more due to the experiment, the same amount with the primer coating, so the top coat, top coat paint great contribution to the performance of coating coverage. Can be seen from Table 3, the cardboard after the whiteness of the paint primer and top coat of soy protein polymer f

As in the lab-coated and the amount is also more, and the varnish to the same amount, so surface coating, surface coating paint coating coverage performance makes a great contribution. From Table 3 it can be seen that the soybean protein polymer coating formulations and coating the bottom of the pap

Because tests the central plane spreads the cloth quantity to be also many, with the bottom spreads the cloth quantity to be same, after therefore the surface spreads, the surface spreads the coating to be very big to the coating cover performance contribution.May see from Table 3, spreads and the s

Due to the more experimental surface coating in coating weight, with the same primer coating weight, so after the top coating, surface paint coating on the performance of coating covering a major contribution. Can be seen from table 3, end of soybean protein polymer formula paint coating and top coa

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