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논문 기본 정보

자료유형
학술저널
저자정보
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)
저널정보
한국고분자학회 폴리머 폴리머 제45권 제4호
발행연도
2021.7
수록면
592 - 600 (9page)
DOI
10.7317/pk.2021.45.4.592

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초록· 키워드

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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 ㎜.

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Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References

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