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PVAc-NMA-Urea三元共聚乳液的稳定性和膜性能(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年03期
Page:
83-86
Column:
研究论文
publishdate:
2007-03-20

Article Info:/Info

Title:
Study on Stability and Filming of Copolymerization Emulsion PVAc-NMA-Urea
Article ID:
1000-2006(2007)03-0083-04
Author(s):
CUI Hui-wang12 DU Guan ben1
1. Departrnent of Wood Science arid Techology Stmthwest Forestry College, Kunming 650224. China; 2. College of Wood Science and Technology Nanjing Forestry University, Nanjing 210037. China
Keywords:
PVAc-NMA Urea Stability Filming
Classification number :
TS727+.5
DOI:
10.3969/j.jssn.1000-2006.2007.03.017
Document Code:
A
Abstract:
Modification and preparation of Polyvinyl Acetate(PVAc) as mainly used as adhesive were very important. Urea was added in emulsion-polymerization of Vinvl Acetate (VAc) and N-Hydroxymethyl Acrylamide(NMA), and performances of the emulsion modified before and after were investigated. Results showed that water-resistance, bonding and solid content of PVAc-NMA-Urea were successfully improved. When the mass rate of urea to VAc was 1%~2%, average wet bond strength was 2.04 times than that of PVAc, and average solid content was also 17.85% higher than that of PVAc.

References

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Last Update: 2013-05-20