|本期目录/Table of Contents|

[1]伍石,项尚林,曹培培,等.湿固化聚氨酯密封胶的合成与表征[J].南京工业大学学报(自然科学版),2017,39(01):46-50.[doi:10.3969/j.issn.1671-7627.2017.01.008]
 WU Shi,XIANG Shanglin,CAO Peipei,et al.Synthesis and characterization of moisture curing polyurethane sealant[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2017,39(01):46-50.[doi:10.3969/j.issn.1671-7627.2017.01.008]
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湿固化聚氨酯密封胶的合成与表征()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
39
期数:
2017年01期
页码:
46-50
栏目:
出版日期:
2017-01-21

文章信息/Info

Title:
Synthesis and characterization of moisture curing polyurethane sealant
文章编号:
1671-7627(2017)01-0046-05
作者:
伍石1项尚林1曹培培1王博2费爱燕2
1. 南京工业大学 材料科学与工程学院,江苏 南京 210009; 2. 南京艾布纳密封技术有限公司,江苏 南京 210005
Author(s):
WU Shi1XIANG Shanglin1CAO Peipei1WANG Bo2FEI Aiyan2
1. College of Materials Science and Engineering,Nanjing Tech University,Nanjing 210009,China; 2. Nanjing Ebnen Sealing Technology Co. Ltd.,Nanjing 210005,China
关键词:
聚氨酯 密封胶 湿固化 耐水性
Keywords:
polyurethane sealant moisture curing water resistance
分类号:
TQ433.4+3
DOI:
10.3969/j.issn.1671-7627.2017.01.008
文献标志码:
A
摘要:
首先利用聚醚多元醇、二苯基甲烷二异氰酸酯(MDI)等为原料制备端异氰酸酯聚氨酯预聚体(NCO-PU),然后加入邻苯二甲酸丁苄酯(BBP)、炭黑、CaO等原料制备湿固化聚氨酯密封胶(MSPUS)。研究不同异氰酸根与羟基的物质的量比(R)对NCO-PU红外谱图的影响,以及研究BBP用量和R值变化对MSPUS性能的影响。结果表明:红外谱图显示通过使用聚醚多元醇、MDI等为原料成功制得了NCO-PU; 当R=2.22、m(BBP)/m(NCO-PU)=0.7时,MSPUS的性能最佳,拉伸强度达到7.27 MPa,断裂伸长率达到334%,剪切强度达到3.74 MPa,耐水性能良好,达到了汽车、建筑等行业的使用要求。
Abstract:
A series of moisture curing polyurethane adhesives(MSPUS)were synthesized by two steps.First,polyurethane prepolymer(NCO-PU)was prepared by polyether polyol and diphenyl methane diisocyanate(MDI)as raw materials.Then the MSPUS was prepared by butyl benzyl phthalate(BBP),carbon black and calcium oxide,etc.The influence of different ratios of isocyanato and hydroxyl group(R)on Fourier transform infrared spectrometry(FT-IR)of the NCO-PU was investigated in detail,and the influence of different R values and BBP content on the MSPUS properties was also studied.Results of FT-IR showed that MSPUS was fabricated by polyether polyol and MDI.In addition,when the R value was 2.22,and the m(BBP)/m(NCO-PU)was 0.7,MSPUS had excellent mechanical properties with tensile strength of 7.27 MPa,elongation at break of 334% and shear strength of 3.74 MPa,and good water resistance fully meeting the requirements of the automotive,construction and other industries.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-09-21
基金项目:江苏高校优势学科建设工程
作者简介:伍石(1992—),男,安徽桐城人,硕士,主要研究方向为功能高分子材料; 项尚林(联系人),副教授,E-mai:xiangsl@njtech.edu.cn.
引用本文:伍石,项尚林,曹培培,等.湿固化聚氨酯密封胶的合成与表征[J].南京工业大学学报(自然科学版),2017,39(1):46-50..
更新日期/Last Update: 2017-01-15