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Accession number:


20142017731503






Title:

Radiation grafting of maleic anhydride onto polypropylene in solid state via ultrafine blend






Authors:

Tan, Xiumin1





Author affiliation:

1Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou 450006, China






Corresponding author:

Tan, X. (ztanxiumin@yahoo.com.cn)






Source title:

Radiation Effects and Defects in Solids






Abbreviated source title:

Radiat Eff Defects Solids






Volume:

169






Issue:

5






Issue date:

May 4, 2014






Publication year:

2014






Pages:

437-446






Language:

English






ISSN:

10420150






E-ISSN:

10294953






CODEN:

REDSEI






Document type:

Journal article (JA)






Publisher:

Taylor and Francis Ltd.






Abstract:

A novel method to prepare maleic anhydride grafting onto poly (propylene) (PP-g-MAH) was described. It was performed by ¦Ã-irradiation in solid state via ultrafine blend in the absence of any initiator and the grafting mechanism was proposed based on the experimental results. First, ultrafine blend of MAH and PP was prepared through ultrasonic initiation in melt state and then cooled rapidly. Second, the blend was radiated by ¦Ã-irradiation in the circumstance of atmosphere. Effects of irradiation dose and MAH concentration on the amount of grafted MAH were investigated. Compared with the conventional solid-state radiation grafting method, PP-g-MAH obtained via this method shows a higher graft rate of MAH. This novel method also has the advantages of solventless, energy efficient, low cost and simple operation. Furthermore, it is very easy to get purified products. The molecular structures of grafted copolymer were characterized by Fourier-transform infrared spectroscopy. Differential scanning calorimetry, wide-angle X-ray diffraction and polarized optical microscope were used to determine the degree of crystallinity and crystalline structure. © 2014 Taylor & Francis.






Number of references:

12






Main heading:

Grafting (chemical)






Controlled terms:

Differential scanning calorimetry  -  Energy efficiency  -  Heat radiation  -  Irradiation  -  Maleic anhydride  -  Polypropylenes  -  Radiation  -  X ray diffraction






Uncontrolled terms:

Crystalline structure  -  Degree of crystallinity  -  Grafted copolymers  -  Polarized optical microscopes  -  Radiation grafting  -  Ultrafine  -  Ultrasonic initiation  -  Wide-angle x-ray diffraction






Classification code:

525.2 Energy Conservation -  641.2 Heat Transfer -  711 Electromagnetic Waves -  711.1 Electromagnetic Waves in Different Media -  801 Chemistry -  804.1 Organic Compounds -  815.1 Polymeric Materials -  815.1.1 Organic Polymers -  931.3 Atomic and Molecular Physics





DOI:

10.1080/10420150.2014.905937






Database:

Compendex






Compilation and indexing terms, © 2013 Elsevier Inc.



Full-text and Local Holdings Links
4Â¥2014-06-09 10:55:40
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Accession number:       
20142017731503
        Title:        Radiation grafting of maleic anhydride onto polypropylene in solid state via ultrafine blend
        Authors:         Tan, Xiumin1 Email author ztanxiumin@yahoo.com.cn
        Author affiliation:        1 Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou 450006, China
        Corresponding author:         Tan, X. (ztanxiumin@yahoo.com.cn)
        Source title:        Radiation Effects and Defects in Solids
        Abbreviated source title:        Radiat Eff Defects Solids
        Volume:        169
        Issue:        5
        Issue date:        May 4, 2014
        Publication year:        2014
        Pages:        437-446
        Language:        English
        ISSN:         10420150
        E-ISSN:         10294953
        CODEN:         REDSEI
        Document type:        Journal article (JA)
        Publisher:        Taylor and Francis Ltd.
        Abstract:        A novel method to prepare maleic anhydride grafting onto poly (propylene) (PP-g-MAH) was described. It was performed by ¦Ã-irradiation in solid state via ultrafine blend in the absence of any initiator and the grafting mechanism was proposed based on the experimental results. First, ultrafine blend of MAH and PP was prepared through ultrasonic initiation in melt state and then cooled rapidly. Second, the blend was radiated by ¦Ã-irradiation in the circumstance of atmosphere. Effects of irradiation dose and MAH concentration on the amount of grafted MAH were investigated. Compared with the conventional solid-state radiation grafting method, PP-g-MAH obtained via this method shows a higher graft rate of MAH. This novel method also has the advantages of solventless, energy efficient, low cost and simple operation. Furthermore, it is very easy to get purified products. The molecular structures of grafted copolymer were characterized by Fourier-transform infrared spectroscopy. Differential scanning calorimetry, wide-angle X-ray diffraction and polarized optical microscope were used to determine the degree of crystallinity and crystalline structure. © 2014 Taylor & Francis.
        Number of references:        12
        Main heading:         Grafting (chemical)
        Controlled terms:         Differential scanning calorimetry  -  Energy efficiency  -  Heat radiation  -  Irradiation  -  Maleic anhydride  -  Polypropylenes  -  Radiation  -  X ray diffraction
        Uncontrolled terms:         Crystalline structure  -  Degree of crystallinity  -  Grafted copolymers  -  Polarized optical microscopes  -  Radiation grafting  -  Ultrafine  -  Ultrasonic initiation  -  Wide-angle x-ray diffraction
        Classification code:         525.2 Energy Conservation -  641.2 Heat Transfer -  711 Electromagnetic Waves -  711.1 Electromagnetic Waves in Different Media -  801 Chemistry -  804.1 Organic Compounds -  815.1 Polymeric Materials -  815.1.1 Organic Polymers -  931.3 Atomic and Molecular Physics
        DOI:        10.1080/10420150.2014.905937
        Database:        Compendex
                Compilation and indexing terms, © 2013 Elsevier Inc.
It's never too late.
2Â¥2014-06-09 10:54:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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Accession number:        
20142017731503
It's never too late.
3Â¥2014-06-09 10:54:52
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