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Synthesis and Characterization of Poly(lactic acid-co-glycolic acid-co-ε-caprolactone) and Its Pressure Sensitive Adhesive Property
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Type
Academic journal
Author
Minjian Cao (East China University of Science and Technology) Zhean Xia (East China University of Science and Technology) Xiangxin Ran (East China University of Science and Technology) Jinglong Zou (East China University of Science and Technology)
Journal
The Polymer Society Of Korea Polymer Korea Vol.45 No.4 KCI Accredited Journals SCIE
Published
2021.7
Pages
592 - 600 (9page)
DOI
10.7317/pk.2021.45.4.592

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Synthesis and Characterization of Poly(lactic acid-co-glycolic acid-co-ε-caprolactone) and Its Pressure Sensitive Adhesive Property
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Random copolymers of poly(lactic acid-co-glycolic acid-co-ε-caprolactone) (PLGA-CL) based on lactic acid (LA), glycolic acid (GA), citric acid (CA), and ε-caprolactone (CL) were synthesized and characterized. ¹H NMR spectra showed that the polymerization conversion of various monomers was high under the experimental conditions, and the degree of polymerization of the polycaprolactone (PCL) segment increased with the growth of CL content. The content of CL has a remarkable effect on the decrease of glass transition temperature (T<SUB>g</SUB>) of the copolymers. The adhesive properties of random copolymers as pressure-sensitive adhesive (PSA) were evaluated. With the increase of CL content, 180° peel strength, the shear strength and loop tack decreased. When CL content was 16.7 wt%, 180° peel strength was 4.76 N/25 ㎜, and loop tack was 8.45 N/25 ㎜.
#poly(lactic acid-co-glycolic acid) #ε-caprolactone #glass transition temperature #pressure-sensitive adhesive property

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Abstract
Introduction
Experimental
Results and Discussion
Conclusions
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References (26)

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Czech, Z.; Butwin, A. Development of Photoreactive UVCrosslinkable Solvent-free Acrylic Pressure-sensitive Adhesives Coated at Room Temperature and Used for Removable and Repositionable Self-adhesive Materials. Polym. J. Chem. Technol. 2011, 13, 31-34. google schola Czech, Z. Solvent-based Pressure-sensitive Adhesives for Removable Products. Int. J. Adhes. Adhes. 2006, 26, 414-418. google schola Creton, C. Pressure-sensitive Adhesives: An Introductory Course. MRS Bull. 2003, 28, 434-439. google schola Beak, S. S.; Hong, S.; Hwang, S. H. Preparation and Adhesion Performance of Transparent Acrylic Pressure Sensitive Adhesives Containing Biomass-derived Menthol Moiety. Polym. Korea 2016, 40, 678-683. google schola Cohen, E.; Binshtok, O.; Dotan, A.; Dodiuk, H. Prospective Materials for Biodegradable and/or Biobased Pressure-sensitive Adhesives: A Review. J. Adhes. Sci. Technol. 2013, 27, 1998-2013. google schola

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