Influence of compatibilizer content on PA/NBR blends properties: Unusual characterization and evaluation methods

被引：5

作者：

Gomes, A. C. O. ^{[1
]}

Soares, B. G. ^{[2
]}

Oliveira, M. G. ^{[3
]}

Pessan, L. A. ^{[1
]}

Paranhos, C. M. ^{[4
]}

机构：

[1] Univ Fed Sao Carlos, Dept Mat Engn, BR-13560 Sao Carlos, SP, Brazil

[2] Univ Fed Rio de Janeiro, Inst Macromol Prof Eloisa Mano, Rio De Janeiro, Brazil

[3] Natl Inst Technol, Mat Characterizat & Proc Dept, Rio De Janeiro, Brazil

[4] Univ Fed Sao Carlos, Dept Chem, BR-13560 Sao Carlos, SP, Brazil

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2013年 / 127卷 / 03期

关键词：

PA; NBR; compatibilization; rheology; PVT; creep; morphology; HYDROGENATED NITRILE RUBBER; REACTIVE COMPATIBILIZATION; MECHANICAL-PROPERTIES; RHEOLOGICAL BEHAVIOR; BUTADIENE RUBBER; POLYMER BLENDS; VISCOSITY; NYLON-6; CREEP; RATIO;

D O I：

10.1002/app.37792

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

NBR/PA6 blends were prepared at the melt state and with the use of masterbatches. Compatibilization with NBR-oxazoline was tested with the aim of enhancing the blend performance and to obtain more appropriated morphology. The effect of compatibilizer content was studied through the characterization of blend mechanical properties, creep behavior, swelling, PA6 phase crystallinity, morphology, and rheological properties, including pressure-volume-temperature behavior. The results show a more significant elastomeric behavior for blends with 5 and 7 phr of compatibilizer, with deleterious effects for higher content. The migration of compatibilizer into elastomeric phase was documented by electronic microscopy, and corroborated by an increase in free volume of the samples. (c) 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013

引用

页码：2192 / 2200

页数：9

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