Toughening polypropylene and its nanocomposites with submicrometer voids

Aravind Dasari; Qing Xin Zhang; Zhong Zhen Yu; Yiu Wing Mai

doi:10.1021/ma100633y

Toughening polypropylene and its nanocomposites with submicrometer voids

Aravind Dasari, Qing Xin Zhang, Zhong Zhen Yu, Yiu Wing Mai

Research output: Journal article publication › Journal article › Academic research › peer-review

77 Citations (Scopus)

Abstract

Thispaper deals withanovelconceptofinductionofwell-distributed submicrometer voidsinpolypropylene (PP) and PP/CaCO₃ nanocomposites during processing to alleviate their brittleness without sacrificing Young's modulus and yield strength. The role of these voids in initiating/participating in the plastic deformation processes during tensile and double-notch four-point-bend (DN-4-PB) tests is investigated. It is shown that the voids act in a similar way as the cavitated rubber particles in rubber-toughened polymer systems; that is, plastic growth (of the pre-existent voids) in the PP matrix occurs upon deformation and subsequently triggers large plastic deformation of the surrounding matrix in the form of isolated and domainlike craze structures.

Original language	English
Pages (from-to)	5734-5739
Number of pages	6
Journal	Macromolecules
Volume	43
Issue number	13
DOIs	https://doi.org/10.1021/ma100633y
Publication status	Published - 13 Jul 2010
Externally published	Yes

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

More information

10.1021/ma100633y

Cite this

@article{29a84a6ca3f64cc3ab34c622e280638c,

title = "Toughening polypropylene and its nanocomposites with submicrometer voids",

abstract = "Thispaper deals withanovelconceptofinductionofwell-distributed submicrometer voidsinpolypropylene (PP) and PP/CaCO3 nanocomposites during processing to alleviate their brittleness without sacrificing Young's modulus and yield strength. The role of these voids in initiating/participating in the plastic deformation processes during tensile and double-notch four-point-bend (DN-4-PB) tests is investigated. It is shown that the voids act in a similar way as the cavitated rubber particles in rubber-toughened polymer systems; that is, plastic growth (of the pre-existent voids) in the PP matrix occurs upon deformation and subsequently triggers large plastic deformation of the surrounding matrix in the form of isolated and domainlike craze structures.",

author = "Aravind Dasari and Zhang, \{Qing Xin\} and Yu, \{Zhong Zhen\} and Mai, \{Yiu Wing\}",

year = "2010",

month = jul,

day = "13",

doi = "10.1021/ma100633y",

language = "English",

volume = "43",

pages = "5734--5739",

journal = "Macromolecules",

issn = "0024-9297",

publisher = "American Chemical Society",

number = "13",

}

TY - JOUR

T1 - Toughening polypropylene and its nanocomposites with submicrometer voids

AU - Dasari, Aravind

AU - Zhang, Qing Xin

AU - Yu, Zhong Zhen

AU - Mai, Yiu Wing

PY - 2010/7/13

Y1 - 2010/7/13

N2 - Thispaper deals withanovelconceptofinductionofwell-distributed submicrometer voidsinpolypropylene (PP) and PP/CaCO3 nanocomposites during processing to alleviate their brittleness without sacrificing Young's modulus and yield strength. The role of these voids in initiating/participating in the plastic deformation processes during tensile and double-notch four-point-bend (DN-4-PB) tests is investigated. It is shown that the voids act in a similar way as the cavitated rubber particles in rubber-toughened polymer systems; that is, plastic growth (of the pre-existent voids) in the PP matrix occurs upon deformation and subsequently triggers large plastic deformation of the surrounding matrix in the form of isolated and domainlike craze structures.

AB - Thispaper deals withanovelconceptofinductionofwell-distributed submicrometer voidsinpolypropylene (PP) and PP/CaCO3 nanocomposites during processing to alleviate their brittleness without sacrificing Young's modulus and yield strength. The role of these voids in initiating/participating in the plastic deformation processes during tensile and double-notch four-point-bend (DN-4-PB) tests is investigated. It is shown that the voids act in a similar way as the cavitated rubber particles in rubber-toughened polymer systems; that is, plastic growth (of the pre-existent voids) in the PP matrix occurs upon deformation and subsequently triggers large plastic deformation of the surrounding matrix in the form of isolated and domainlike craze structures.

UR - https://www.scopus.com/pages/publications/77955832671

U2 - 10.1021/ma100633y

DO - 10.1021/ma100633y

M3 - Journal article

AN - SCOPUS:77955832671

SN - 0024-9297

VL - 43

SP - 5734

EP - 5739

JO - Macromolecules

JF - Macromolecules

IS - 13

ER -

Toughening polypropylene and its nanocomposites with submicrometer voids

Abstract

ASJC Scopus subject areas

More information

Other files and links

Fingerprint

Cite this