火麻仁油基双重交联聚合物的制备及性能研究

doi:10.3969/j.issn.0253-2417.2019.06.004

林产化学与工业 ›› 2019, Vol. 39 ›› Issue (6): 29-36.doi: 10.3969/j.issn.0253-2417.2019.06.004

火麻仁油基双重交联聚合物的制备及性能研究

易靖^1,²,夏建陵^1,^2,³,李梅^1,^2,³,许利娜^1,³,丁海阳^1,³,李守海^1,^2,^3,*()

1. 中国林业科学研究院林产化学工业研究所; 生物质化学利用国家工程实验室; 国家林业和草原局林产化学工程重点实验室; 江苏省生物质能源与材料重点实验室, 江苏南京 210042
2. 南京林业大学江苏省林业资源高效加工利用协同创新中心, 江苏南京 210037
3. 中国林业科学研究院林业新技术研究所, 北京 100091

收稿日期:2019-06-24 出版日期:2019-12-28 发布日期:2019-12-21
通讯作者: 李守海 E-mail:lishouhai1979@163.com
作者简介:易靖(1995-),女,湖南衡东人,硕士生,主要从事生物基高分子材料的研究
基金资助:
中国林科院中央级公益性科研院所基本科研业务费专项资金(CAFYBB2017MB017)

Preparation and Properties of Dual-crosslinking Polymer Based on Hemp Oil

Jing YI^1,²,Jianling XIA^1,^2,³,Mei LI^1,^2,³,Lina XU^1,³,Haiyang DING^1,³,Shouhai LI^1,^2,^3,*()

1. Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab. for Biomass Chemical Utilization; Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China
2. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
3. Research Institute of Forestry New Technology, CAF, Beijing 100091, China

Received:2019-06-24 Online:2019-12-28 Published:2019-12-21
Contact: Shouhai LI E-mail:lishouhai1979@163.com
Supported by:
中国林科院中央级公益性科研院所基本科研业务费专项资金(CAFYBB2017MB017)

摘要/Abstract

摘要：

以火麻仁油（HO）为原料，制备合成了一种新型的含羧基和乙烯基的火麻仁油基可双重交联树脂基单体（MA-AEHO），并采用傅里叶变换红外光谱（FT-IR）和核磁共振氢谱（¹H NMR）对单体结构进行了表征。将MA-AEHO通过不同的交联聚合工艺，制备得到了2种单交联聚合物（1和2）及2种双重交联聚合物（3和4），并对4种聚合物的性能进行对比测试。机械性能测试表明：聚合物1~4的拉伸强度分别为9.21、14.73、32.05和33.25 MPa，断裂伸长率分别为56.21%、9.97%、4.56%和3.18%，相比于单交联体系而言，双重交联体系的聚合物（3和4）的拉伸强度均显著提高，断裂伸长率有所下降；动态热机械分析表明：相比于单交联聚合物，双重交联聚合物（3和4）具有高储能模量（32.00和41.29 MPa）和玻璃化转变温度（58.08和91.44℃）。热重分析结果表明：4种交联聚合物均具有良好的热稳定性，材料的初始热分解温度均在300℃以上。

关键词: 双重交联, 火麻仁油, 树脂单体, 综合性能

Abstract:

A novel type of dual-crosslinking resin monomer(MA-AEHO) containing carboxyls and vinyls was synthesized using hemp oil (HO) as raw material.The monomer structure was characterized by FT-IR and ¹H NMR. Two single-crosslinking polymers (polymer 1 and 2) and two dual-crosslinking polymers (polymer 3 and 4) were obtained by the polymerization of MA-AEHO with the different curing and cross-linking processes. The properties of four polymers were tested.Mechanical performance tests showed that the tensile strength of polymer 1-4 is 9.21, 14.73, 32.05 and 33.25 MPa, and the elongation at break is 56.21%, 9.97%, 4.56% and 3.18%, respectively. Their tensile strengths were significantly improved and the elongations at break were decreased compared with the single-crosslinking polymers. Dynamic thermal mechanical analysis showed that the dual-crosslinking polymers (polymer 3 and 4) have relatively higher energy storage modulus (32.00 and 41.29 MPa) and glass transition temperature (58.08 and 91.44℃) than those of the single-crosslinking polymers. Thermogravimetric analysis results showed that these four curing polymers possessed good thermal stability, and the initial decomposition temperature of the polymers are all above 300℃.

Key words: dual-crosslinking, hemp oil, resin monomer, comprehensive properties

中图分类号:

TQ35
TQ316

易靖,夏建陵,李梅,许利娜,丁海阳,李守海. 火麻仁油基双重交联聚合物的制备及性能研究[J]. 林产化学与工业, 2019, 39(6): 29-36.

Jing YI,Jianling XIA,Mei LI,Lina XU,Haiyang DING,Shouhai LI. Preparation and Properties of Dual-crosslinking Polymer Based on Hemp Oil[J]. Chemistry and Industry of Forest Products, 2019, 39(6): 29-36.

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参考文献 11

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聚合物 polymer	交联方式 crosslinking mode	MA-AEHO	E51	DMP-30	光引发剂 photoinitiator	有机过氧类引发剂 organic peroxide initiator
1	热引发/环氧单交联 thermal-initiated/epoxy single-crosslinking	30.00	12.60	0.51	0.00	0.00
2	光引发/乙烯基酯单交联 photo-initiated/vinyl ester single-crosslinking	30.00	0.00	0.00	0.45	0.00
3	热引发+光引发/双重交联 thermal-photo-initiated/dual-crosslinking	30.00	12.60	0.51	0.64	0.00
4	热引发/双重交联 thermal-initiated/dual-crosslinking	30.00	12.60	0.51	0.00	0.43

聚合物 polymer	拉伸强度/MPa tensile strength	断裂伸长率/% elongation at break	硬度/HD hardness	T_g/℃	储能模量/MPa storage modulus	交联密度/(mol·m^-3) crosslinking density
1	9.21	56.21	43	42.66	5.13	594.80
2	14.73	9.97	45	54.73	30.88	3459.66
3	32.05	4.56	62	58.08	32.00	3551.69
4	33.25	3.18	66	91.44	41.29	4195.34

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火麻仁油基双重交联聚合物的制备及性能研究

Preparation and Properties of Dual-crosslinking Polymer Based on Hemp Oil

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