水性粘缸剂的制备及表征

doi:10.3969/j.issn.0253-2417.2022.05.012

林产化学与工业 ›› 2022, Vol. 42 ›› Issue (5): 83-90.doi: 10.3969/j.issn.0253-2417.2022.05.012

水性粘缸剂的制备及表征

李帅¹^,², 肖来辉¹, 王义刚¹, 陈洁¹, 李文斌¹, 聂小安¹^,³^,*()

1. 中国林业科学研究院林产化学工业研究所；江苏省生物质能源与材料重点实验室；国家林业和草原局林产化学工程重点实验室；林木生物质低碳高效利用国家工程研究中心，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:2021-06-04 出版日期:2022-10-28 发布日期:2022-11-02
通讯作者: 聂小安 E-mail:niexiaoan@icifp.cn
作者简介:聂小安，研究员，博士，博士生导师，研究领域为生物质能源及材料工程；E-mail: niexiaoan@icifp.cn
李帅(1997—)，男，山西运城人，硕士生，主要从事生物基高分子材料及助剂研究工作
基金资助:
江苏省生物质能源与材料重点实验室基本科研业务费项目(JSBEM-S-202002)

Preparation and Characterization of Waterborne Creping Adhesive

Shuai LI¹^,², Laihui XIAO¹, Yigang WANG¹, Jie CHEN¹, Wenbin LI¹, Xiao'an NIE¹^,³^,*()

1. Institute of Chemical Industry of Forest Products, CAF; Key Lab. of Biomass Energy and Material, Jiangsu Province; Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, 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:2021-06-04 Online:2022-10-28 Published:2022-11-02
Contact: Xiao'an NIE E-mail:niexiaoan@icifp.cn

摘要/Abstract

摘要：

在己二酸与二乙烯三胺合成水性聚酰胺PA236的基础上，将水性环氧树脂接枝到PA236上，得到改性PA236(PA236G)，然后向PA236G中加入一定量的羟乙基纤维素溶液和水性固化剂906，制得水性粘缸剂CA514。采用红外、核磁氢谱、碳谱和凝胶色谱分析对PA236和改性PA236的结构和相对分子质量进行了表征，证实了PA236的成功合成以及水性环氧树脂的成功接枝；用热重分析测定了二者的热性能，表明二者均可用作粘缸剂的原料使用。对CA514所形成的薄膜性能进行了测试，结果表明：CA514烘干后形成的薄膜与市售产品(改性PAE)具有相似的性质，且耐水性更好，平均溶胀度可达188.3%；CA514可提供的平均剪切强度可达122.4 kPa，为市售产品的2倍多，基材附着力为136.6 N，约为市售产品的1.4倍。薄膜良好的耐水性能和力学性能说明CA514具有作为粘缸剂使用的潜力。

关键词: 水性聚酰胺, 水性环氧树脂, 起皱粘缸剂

Abstract:

In this study, waterborne polyamide(PA236) was synthesized using adipic acid and diethylene triamine. Then, the modified PA236 was obtained by grafting waterborne epoxy resin onto PA236G. Finally, after adding a certain amount of hydroxyethyl cellulose and waterborne curing agent 906 to the PA26G, the waterborne adhesive CA514 was obtained. The structure and relative molecular weight of PA236 and PA236G were characterized by FT-IR, NMR and GPC. The results confirmed the successful synthesis of the PA236 and the grafting of waterborne epoxy. TG analysis was used to determine the thermal properties of these two products, indicating that they could be used as the raw materials for creping adhesive. The properties of the film formed by CA514 were tested. The results showed that the film formed by drying CA514 had similar properties to those of the commercial products, while it has better water resistance with an average swelling degree of 188.3%. The mechanical tests showed that the average shear strength of CA514 could reach 0.122 MPa, which was about twice as that of commercial products, and the CA514 adhesion of substrate was 136.55 N, which was about 1.4 times than that of commercial products. The result indicated that CA514 had the potential to be used as cylinder adhesive.

Key words: waterborne polyamide, waterbonre epoxy resin, creping adhesive

中图分类号:

TQ35
TS761.6

李帅, 肖来辉, 王义刚, 陈洁, 李文斌, 聂小安. 水性粘缸剂的制备及表征[J]. 林产化学与工业, 2022, 42(5): 83-90.

Shuai LI, Laihui XIAO, Yigang WANG, Jie CHEN, Wenbin LI, Xiao'an NIE. Preparation and Characterization of Waterborne Creping Adhesive[J]. Chemistry and Industry of Forest Products, 2022, 42(5): 83-90.

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样品 samples	数均相对分子质量 number average relative molecular mass(M_n)	重均相对分子质量 weight average relative molecular mass(M_w)	峰位相对分子质量 peak relative molecular mass(M_p)	多分散性指数(M_w/M_n) polydispersity index(PDI)
PA236	4333	8784	9065	2.03
PA236G	4983	9788	9985	1.96

样品 samples	失重5%温度/℃ temp. at 5% weight loss(T_5%)	失重10%温度/℃ temp. at 10% weight loss(T_10%)	最大失重速率温度/℃ temp. at maximum weight loss rate(T_m)	残炭量(700 ℃)/% char residual
PA236	187.27	239.79	334.79	2.30
PA236G	187.29	229.79	337.29	2.48

产品¹⁾ products	编号 No.	剪切强度/kPa shear strength	铅笔硬度 pencil hardness	溶胀度/% swelling degree	推力/N thrust
CA514	1	109.4	< 6B	182.6	133.6
	2	118.3	< 6B	200.9	140.6
	3	133.0	< 6B	193.5	138.2
	4	123.3	< 6B	175.5	139.7
	5	128.2	< 6B	189.0	130.6
	平均值average	122.4	< 6B	188.3	136.6
PAE^*	1	50.9	< 6B	276.1	93.2
	2	59.0	< 6B	256.1	99.0
	3	40.1	< 6B	305.0	98.2
	4	66.0	< 6B	322.2	93.8
	5	44.1	< 6B	271.4	104.5
	平均值average	52.0	< 6B	286.2	97.7

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水性粘缸剂的制备及表征

Preparation and Characterization of Waterborne Creping Adhesive

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