From polymer blends to a block copolymer: Ring-opening polymerization of L-lactide/e-caprolactone eutectic system

被引：7

作者：

Castillo-Santillan, Martin ^{[1
,2
]}

Roman Torres-Lubian, Jose ^{[3
]}

Martinez-Richa, Antonio ^{[4
]}

Huerta-Marcial, Silvia T. ^{[1
]}

Gutierrez, Maria C. ^{[6
]}

Loos, Katja ^{[2
]}

Guadalupe Perez-Garcia, Maria ^{[5
]}

Mota-Morales, Josue D. ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Ctr Fis Aplicada & Tecnol Avanzada CFATA, Queretaro 76230, Qro, Mexico

[2] Univ Groningen, Zernike Inst Adv Mat, Macromol Chem & New Polymer Mat, NL-9747 AG Groningen, Netherlands

[3] Ctr Invest Quim Aplicada CIQA, Saltillo 25294, Coahuila, Mexico

[4] Univ Guanajuato, Div Ciencias Nat & Exactas, Guanajuato 36050, Gto, Mexico

[5] Univ Guadalajara, Ctr Univ Tonal, Tonala 45425, Jalisco, Mexico

[6] CSIC, Inst Ciencia Mat Madrid ICMM, Madrid 28049, Spain

来源：

POLYMER | 2022年 / 262卷

关键词：

EPSILON-CAPROLACTONE; CRYSTALLIZATION; ROP;

D O I：

10.1016/j.polymer.2022.125432

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this work, we provide new insights into the ring-opening polymerization (ROP) of eutectic mixtures of L-lactide and e-caprolactone that lead to the synthesis of polymer blends and a block copolymer. The influence of a set of parameters is studied to produce polyesters with tunable average-molecular weight, crystallinity, and polymer architectures with controlled degradation profiles. The outcome depends on the selection of organocatalysts, including 1,5-Diazabicyclo[4.3.0]non-5-ene (DBN), a new catalyst for the L-lactide/e-caprolactone eutectic mixture ROP that enabled increasing the polymerization temperature. The mild polymerization temperatures and solventless conditions stand as green features of the ROP here described to prepare resorbable biomaterials with programmable degradation profiles.

引用

页数：9

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