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涂料工业  2013 

高性能水性木器漆用pua树脂的制备及漆膜性能研究

Keywords: pua复合乳液,高性能,木器涂料

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Abstract:

?以水性pu乳液为原料,通过与丙烯酸酯单体共聚制备了稳定的pua复合乳液。重点考察了pu的加料方式、pu用量以及丙烯酸酯单体的配比对聚合过程和乳液性能的影响。研究表明,在种子乳液聚合基础上采用核壳两层预乳化工艺,pu用量为20%,丙烯酸酯单体配比m(mma)∶m(ba)∶m(2-eha)=6∶2∶2时可得到性能优异的pua复合乳液。漆膜性能的测试结果表明,该pua乳液配制的水性木器清漆具有优异的性能,可满足高档木器对漆膜的高性能要求。

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