Rheological Properties of poly(Lactic acid) Modified by Cellulose Acetate Propionate

被引：1

作者：

Kimura, Takeyoshi ^{[1
]}

Takeuchi, Tomoki ^{[1
]}

Phulkerd, Panitha ^{[1
]}

Pichaipanich, Pornchanok ^{[1
,2
]}

Kugimoto, Daisuke ^{[3
]}

Kouda, Shingo ^{[3
]}

Kida, Takumitsu ^{[1
,4
]}

Yamaguchi, Masayuki ^{[1
]}

机构：

[1] Japan Adv Inst Sci & Technol, Sch Mat Sci, 1-1 Asahidai, Nomi, Ishikawa 9231292, Japan

[2] Naresuan Univ, Fac Sci, Dept Chem, Phitsanulok 65000, Thailand

[3] Tosoh Corp, Polymer Mat Res Lab, 1-8 Kasumi, Yokaichi, Tokyo 5108540, Japan

[4] Univ Shiga Prefecture, Sch Engn, Dept Mat Sci, 2500 Hassaka cho, Hikone City, Shiga 5228533, Japan

来源：

JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2024年 / 32卷 / 04期

关键词：

Poly(Lactic acid); Cellulose Acetate Propionate; Elongational Viscosity; Polymer Blend; Viscoelastic Property; INCOMPATIBLE POLYMER BLENDS; INDUCED CRYSTALLIZATION; ELONGATIONAL VISCOSITY; VISCOELASTIC BEHAVIOR; FLOW; POLYETHYLENE; COMPOSITES; FIBER; MODEL; PROCESSABILITY;

D O I：

10.1007/s10924-023-03104-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effect of the addition of cellulose acetate propionate (CAP) on the rheological properties of poly(lactic acid) (PLA) was studied. Although the blends of CAP and PLA had phase-separated structures, a small amount of CAP did dissolve in the PLA. Therefore, the oscillatory shear moduli in the low-frequency region were greatly increased by the addition of CAP. Neat CAP exhibited marked strain hardening in transient elongational viscosity. This was attributed to the presence of CAP crystals at the processing temperature. The CAP chains that dissolved in the PLA also provided strain hardening in elongational viscosity for the blends, demonstrating that CAP, as a biomass-based plastic, is a good processing modifier for PLA.

引用

页码：1849 / 1859

页数：11

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