Page 219 - 《精细化工》2021年第4期

第 38 卷第 4 期 精 细 化 工 Vol.38, No.4
202 1 年 4 月 FINE CHEMICALS Apr. 2021

黏合剂
高固含量丙烯酸酯乳液压敏胶的制备及性能

1
房 成 1,2 ，王 威 1,2 ，韦丽芬 1,2 ，宗红亮
（1. 南京林业大学 化学工程学院，江苏 南京 210037； 2. 南京林业大学 林业资源高效加工利用协同
创新中心，江苏 南京 210037）

摘要：以丙烯酸丁酯（BA）、甲基丙烯酸甲酯（MMA）、丙烯酸（AA）、丙烯酸羟乙酯（HEA）为共聚单体，
以烯丙氧基脂肪醇聚氧乙烯醚硫酸铵（SR-10）和烷基聚氧乙烯醚琥珀酸单酯磺酸二钠（A-102）作为环保型复
合乳化剂，通过无种子半连续乳液聚合工艺制备了固含量高达 62%的丙烯酸酯乳液压敏胶。考察了硬单体 MMA
用量对乳液压敏胶性能的影响。结果表明，当 MMA 用量为 10%（以单体总质量计，下同）时，高固含量丙烯
酸酯乳液压敏胶玻璃化转变温度（T g ）为–32.6 ℃，初始热分解温度为 337 ℃，水接触角为 108°，环形初粘力
为(9.53±0.389) N/25 mm，180°剥离强度为(10.08±0.056) N/25 mm，持粘力超过 72 h；与未添加 MMA 的高固含
量乳液相比，添加 10% MMA 后乳液黏度从 361 mPa·s 降至 155 mPa·s，平均粒径从 375 nm 降至 350 nm，粒径
分布指数（PDI）从 0.144 增至 0.214。
关键词：高固含量；低黏度；乳液；无种子半连续工艺；压敏胶
中图分类号：TQ436.3 文献标识码：A 文章编号：1003-5214 (2021) 04-0853-07

Preparation and properties of acrylate emulsion pressure sensitive

adhesive with high solid content

1
1,2
1,2
1,2
FANG Cheng , WANG Wei , WEI Lifen , ZONG Hongliang
（1. College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; 2. Jiangsu
Co-innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing
210037, Jiangsu, China）
Abstract: Acrylate emulsion pressure sensitive adhesives with solid content of up to 62% were synthesized
by seedless semi-continuous emulsion polymerization process using butyl acrylate (BA), methyl
methacrylate (MMA), acrylic acid (AA) and 2-hydroxyethyl acrylate (HEA) as monomers, allyloxy fatty
alcohol polyoxyethylene ether ammonium sulfate (SR-10) and alkyl polyoxyethylene ether succinate
monoester disodium sulfonate (A-102) as hybrid emulsifiers. The effects of hard monomer MMA dosage on
the properties of emulsion pressure sensitive adhesives were investigated. The results indicated that when
MMA dosage was 10% (based on the total mass of monomers, the same below), the glass transition
temperature (T g) and initial thermal decomposition temperature of the prepared emulsion pressure sensitive
adhesive were –32.6 and 337 ℃. The water contact angle of emulsion film was 108°. The loop tack, 180°
peel strength, shear holding power of the emulsion pressure sensitive adhesive were (9.53±0.389) N/25 mm,
(10.08±0.056) N/25 mm and more than 72 h, respectively. Compared with that of high solid content
emulsion without MMA, the viscosity of the emulsion with 10% MMA dosage decreased from 361 mPa·s
to 155 mPa·s, the particle size decreased from 375 nm to 350 nm, and the average particle size distribution
index increased from 0.144 to 0.214.
Key words: high solid content; low viscosity; emulsion; seedless semi-continuous progress; pressure sensitive
adhesive

高固含量丙烯酸酯乳液是固含量超过 60%的聚 固含量丙烯酸酯乳液具有生产效率高、干燥成膜速
合物乳液。与传统乳液（固含量为 50%）相比，高 度快、运输和储存成本低以及对环境污染小等优

收稿日期：2020-09-21 定用日期：2020-11-09; DOI: 10.13550/j.jxhg.20200879
基金项目：江苏高校优势学科建设工程资助项目（PAPD）；南京林业大学高层次（高学历）人才科研启动基金（GXL2018038）
作者简介：房 成（1988—），男，博士，讲师，E-mail：fangcheng533@163.com。