Synthesis and properties of soap-free P(2-EHA-BA) emulsion for removable pressure sensitive adhesives

被引：13

作者：

Zhang, Lei ^{[1
]}

Cao, Yingjie ^{[2
,3
]}

Wang, Lei ^{[1
]}

Shao, Lu ^{[1
]}

Bai, Yongping ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R China

[2] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China

[3] Shanghai Zeafee Digital Inkjet Composite Mat Co L, Shanghai 201605, Peoples R China

来源：

RSC ADVANCES | 2014年 / 4卷 / 88期

关键词：

CHAIN-TRANSFER; PARTICLE-SIZE; POLYMERIZATION; ACRYLATE; COPOLYMERIZATION;

D O I：

10.1039/c4ra05923a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Pressure sensitive adhesives (PSAs) are materials that can adhere strongly to solid surfaces under a light contact pressure for a short time. Soap-free emulsion polymerization of 2-ethylhexyl acrylate and n-butyl acrylate has been performed in the presence of a reactive emulsifier SR-10 to obtain high adhesion properties of PSAs. The particle size distribution was quite narrow with an average diameter of 137 nm. The FT-IR spectrum showed that the C=C bonds contained in the monomers disappeared during the reaction. The DSC result showed that all the monomers were well copolymerized. The 180 degrees peel strength could reach 183.2 N m(-1) when SR-10 was 2 wt% and the ratio of 2-EHA to BA was 4 to 1. The tack was 13 #. The shear holding time was more than 100 h. The removable PSA tapes produced from the resulting soap-free emulsion showed good adhesion properties and stabilities, which are suitable for practical applications.

引用

页码：47708 / 47713

页数：6

共 29 条

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