Preparation and properties of a new thermoplastic vulcanizate (TPV)/organoclay nanocomposite using maleic anhydride functionalized polypropylene as a compatibilizer

Mishra, Joy K.; Ryou, Jin-Ho; Kim, Gue‐Hyun; Hwang, Kun-Jun; Kim, I. I.; Ha, Chang‐Sik

doi:10.1016/j.matlet.2004.07.003

Cited by 31 publications

(20 citation statements)

References 11 publications

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“…The poor adhesion between the phases and the large particle size of the rubber phase facilitate the propagation of cracks and lead to a pronounced decline of the mechanical properties of the blends [13] . In order to improve the properties of blends containing recycled rubbers, some authors devulcanize the rubber phase [3,9,[14][15][16][17][18] , or add functional fillers [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33] . Besides, it is well known that dynamic vulcanization notoriously increases the adhesion and interaction between the phases.…”

Section: Introductionmentioning

confidence: 99%

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

et al. 2015

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SbstractThe main objective of this work is to study the influence of clay addition on dynamically revulcanized blends of Ground Tire Rubber (GTR)/High Density Polyethylene (HDPE). GTR was previously devulcanized in a system comprised of a conventional microwave oven adapted with a motorized stirring, with a fixed microwave power and at various exposure times. The influence of clay addition on the final properties of the blends was evaluated in terms of mechanical, viscoelastic, thermal and rheological properties, with morphology being also analyzed. The results depict that the clay can modify the rheological behavior of the GTR phase, in addition to the thermal and mechanical properties of some blends.

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Section: Introductionmentioning

confidence: 99%

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

et al. 2015

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“…18 In our previous works, 19,20 we found that incorporation of ZDMA largely improved the toughness of PP-rich blends due to the in situ reactive compatibilization by ZDMA.…”

Section: Introductionmentioning

confidence: 81%

In Situ Reactive Compatibilization of Polypropylene/Ethylene–Propylene–Diene Monomer Thermoplastic Vulcanizate by Zinc Dimethacrylate via Peroxide-Induced Dynamic Vulcanization

Chen

Liang

et al. 2013

J. Phys. Chem. B

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This work demonstrates an approach of in situ reactive compatibilization between polypropylene (PP) and ethylene-propylene-diene monomer (EPDM) by using zinc dimethacrylate (ZDMA) as a compatibilizer and, simultaneously, as a very strong reinforcing agent. With the incorporation of 7phr ZDMA in the PP/EPDM (30/70, w/w) thermoplastic vulcanizate (TPV), the tensile strength, tear strength, elongation at break, and hardness of PP/EPDM/ZDMA TPV were increased from 5.3 MPa, 31.3 kN/m, 222%, and 78 up to 11.2 MPa, 64.2 kN/m, 396%, and 83, respectively. This tremendous reinforcing as well as the compatibilization effect of the ZDMA was understood by polymerization of ZDMA and ZDMA reacted with EPDM and PP during peroxide-induced dynamic vulcanization. A peculiar phase structure that rubber particles were surrounded and "bonded" by a thick transition zone that contained numerous of nanoparticles with dimensions of about 20-30 nm was observed from transmission electron microscopy. Scanning electron microscopy results confirmed that incorporation of ZDMA reduced the size of the cross-linked EPDM particles. Moreover, we found that the compatibilized TPV showed a higher tan δ peak temperature for EPDM phase and a lower tan δ peak temperature for PP phase. The suggested method for in situ reactive compatibilization of PP and EPDM offers routes to the design of new TPV-based technical products for diversified applications.

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“…The application of Fourier transform infrared (FTIR) spectroscopic techniques to assess polymer interaction has been conducted for many years. FTIR is a particularly suitable technique for investigating specific intermolecular interaction [17][18][19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Determination of the interaction using FTIR within the components of GPE based on the synthesized grafted polymer

Huang

Wang

et al. 2011

Ionics

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An oxyethylene chain (-CH 2 -CH 2 -O-) grafted polymer (P(MMA-MAh)-PEGME) was synthesized by reacting poly(ethylene glycol) monomethyl ether (PEGME) with the copolymer of poly(methyl metacrylate-maleic anhydride) (P(MMA-MAh)) and endcapping the residual carboxylic acid with methanol. Rectorite modified with dodecyl benzyl dimethyl ammonium chloride (OREC) was used as a filler additive to modify gel polymer electrolytes (GPE) that consisted of P(MMAMAh)-PEGME used as polymer matrix, propylene carbonate (PC) as plasticizer and LiClO 4 as lithium ion producer. Characterization of interaction of the polar group of C=O or C-O-C in PC and grafted polymer with Li + and OH group on OREC surface has been thoroughly examined using Fourier transform infrared (FTIR), respectively. The quantitative analysis of FTIR shows that the absorptivity coefficients (a) of polymer/LiClO 4 , PC/ LiClO 4 , PC/OREC and polymer/OREC are 0.705, 0.113, 0.430 and 0.500, respectively, which means that the Li + or OH bonded polar group of C=O and C-O-C is more sensitive than free C=O and C-O-C in FTIR spectra. The limited values of bonded C=O and C-O-C equivalent fraction of polymer/LiClO 4 , PC/LiClO 4 , PC/OREC and polymer/OREC are 33%, 94%, 60% and 22%, respectively, which implies that the interaction within the components is reversible and the intensity of interaction is ordered as PC/LiClO 4 , PC/OREC, polymer/OREC and polymer/LiClO 4 .

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Preparation and properties of a new thermoplastic vulcanizate (TPV)/organoclay nanocomposite using maleic anhydride functionalized polypropylene as a compatibilizer

Cited by 31 publications

References 11 publications

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

In Situ Reactive Compatibilization of Polypropylene/Ethylene–Propylene–Diene Monomer Thermoplastic Vulcanizate by Zinc Dimethacrylate via Peroxide-Induced Dynamic Vulcanization

Determination of the interaction using FTIR within the components of GPE based on the synthesized grafted polymer

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