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橡塑技术与装备 CHINA RUBBER/PLASTICS TECHNOLOGY AND EQUIPMENT

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Methods and cases of changing the surface tension of polymers

Tao Yongliang
(Chongqing Chuanyi Engineering Plastics Co. LTD., Chongqing 400712, China)

Abstract: Understanding the surface tension (or surface energy) of polymers is of great guiding
significance for studying the operations of polymers in coatings, printing, bonding, and other fields. This article
introduces the definition of polymer surface tension and some testing methods for polymer surface tension.
Corresponding measures to change the surface tension of polymers during coating, printing, and bonding
processes are proposed, and described in combination with case studies. Meanwhile, the main methods for
sample testing after coating, printing, and bonding were explained. The change of polymer surface tension is
a complex process that involves various properties of the polymer. The purpose of changing surface tension is
to enable the polymer to play a greater role and be used by humans.
Key words: polymer; surface tension; coating; printing; adhesive bonding
(R-03)

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