首页|木材用玉米淀粉胶粘剂的改性研究

木材用玉米淀粉胶粘剂的改性研究

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以玉米淀粉为原料、次氯酸钠为淀粉的氧化剂和过硫酸铵(APS)为聚乙烯醇(PVA)的氧化剂,在碱性条件下将氧化玉米淀粉与氧化PVA进行接枝改性,制备出一种木材用胶粘剂.考察了PVA浓度、纳米蒙脱土(MMT)含量和固含量等对淀粉胶粘剂干、湿态胶接强度的影响.结果表明:当固含量为28.57％、w(PVA)=5％和w(纳火MMT)=2％时,相应淀粉胶粘剂的综合性能相对最好.
Study on modification of corn starch adhesive for wood
With corn starch as raw material, sodium hypochlorite as oxidant of starch , APS (ammonium persulfate) as oxidant of polyvinyl alcohol(PVA) ,an adhesive for wood was prepared by graft modification between oxidized corn starch and PVA under alkaline condition. The influences of PVA concentration,nano-MMT(nano-montmorillonite) and solid content were investigated on dry-bonding strength or wet-bonding strength of starch adhesive. The results showed that the corresponding starch adhesive had the reversely best combination property when solid content was 28.57%,mass fractions of PVA and nano-MMT were 5% and 2% respectively.

corn starchadhesivepolyvinyl alcohol (PVA)nano-montmorillonitewater-resistance

郑立楠、郝笑龙、余倩、张慧婧、张文乐、顾继友、张彦华

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东北林业大学,生物质材料科学与技术教育部重点实验室,黑龙江哈尔滨150040

玉米淀粉 胶粘剂 聚乙烯醇 纳米蒙脱土 耐水性

国家级大学生科技创新基金黑龙江省青年基金资助项目

111022531QC2011C055

2012

中国胶粘剂
上海市合成树脂研究所　全国粘合剂信息站　中国胶粘剂和胶粘带工业协会

中国胶粘剂

CSTPCD北大核心
影响因子：0.522
ISSN：1004-2849
年,卷(期)：2012.(6)
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