influence of silica on vulcanization by sulphur cbs

  • influence of silica on vulcanization by sulphur/cbs

    Influence of silica on vulcanization by sulphur/CBS

    Influence of silica on vulcanization by sulphur/CBS in isoprene rubber Article in International Polymer Science and Technology 39(2):T39-T45 · January 2012 with 20 Reads How we measure 'reads'

  • tmtd, mbts, and cbs accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled natural rubber compound upon vulcanization properties Article · April 2011 with 922 Reads How we measure 'reads'

  • catalytic effect of zno anchored silica nanoparticles

    Catalytic effect of ZnO anchored silica nanoparticles

    The aim of the present work is to study the effect of the silica-supported ZnO NPs on the isoprene rubber (IR) vulcanization, particularly on the formation rate of the sulfurating complexes at the beginning of reaction and of the sulfur cross-links in the final cured material.

  • zinc resinate’s influence on the properties of silica filled

    ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED

    ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED COMPOSITES BASED ON NATURAL RUBBER Nina Todorova 1, sulphur vulcanization, while on the other - as softeners,

  • (pdf) effect of various efficient vulcanization cure systems

    (PDF) Effect of Various Efficient Vulcanization Cure Systems

    Effect of various efficient vulcanization (EV) sulfur cure systems on the compression set of a nitrile rubber filled with carbon black and silica/silane fillers was examined.

  • effects of accelerators on the vulcanization properties

    Effects of Accelerators on the Vulcanization Properties

    But sulfur-containing nucleophiles such as thiourea or its derivatives enable accelerators like TMTD or CBS to operate at lower vulcanization temperature, indicating a nucleophilic reaction

  • manifestation of accelerator type and vulcanization system

    Manifestation of accelerator type and vulcanization system

    studied. The results indicate that the semi-efficient CBS vulcanizate has superior mechanical and thermal properties. Therefore, the effect of accelerator to sulfur ratio, that is, (accelerator/sulfur) on the properties of the blend vulcanizates was deter-mined. It is to highlight that a distinctive correlation is observed between the cross-

  • influence of silica on vulcanization by sulphur/cbs

    Influence of silica on vulcanization by sulphur/CBS

    Influence of silica on vulcanization by sulphur/CBS in isoprene rubber Article in International Polymer Science and Technology 39(2):T39-T45 · January 2012 with 20 Reads How we measure 'reads'

  • tmtd, mbts, and cbs accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled

    Download Citation | TMTD, MBTS, and CBS accelerator effects on a silica filled natural rubber compound upon vulcanization properties | Various types of accelerators, thiuram (TMTD), thiazole (MBTS

  • zinc resinate’s influence on the properties of silica filled

    ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED

    ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED sulphur vulcanization, while on the other - as softeners, Fig. 1 shows the Mooney viscosity of the rubber

  • the effects of multifunctional additive and vulcanization

    The effects of multifunctional additive and vulcanization

    The mechanical properties have been enhanced by incorporating the MFA. Swelling tests and dispersion measurements show that the MFA improved silica dispersion and also had some effects on crosslink density. In this study, the effects of the MFA and vulcanization systems on silica filled epoxidized natural rubber compounds have been examined.

  • influence of sulfenamide accelerators on cure kinetics

    Influence of sulfenamide accelerators on cure kinetics

    It has been found that the natural rubber compound with CBS accelerator shows the fastest sulfur vulcanization rate and the lowest activation energy (E a) because CBS accelerator produces higher level of basicity of amine species than other sulfenamide accelerators, further forming a complex structure with zinc ion as ligand in sulfur

  • catalytic effect of zno anchored silica nanoparticles

    Catalytic effect of ZnO anchored silica nanoparticles

    The aim of the present work is to study the effect of the silica-supported ZnO NPs on the isoprene rubber (IR) vulcanization, particularly on the formation rate of the sulfurating complexes at the beginning of reaction and of the sulfur cross-links in the final cured material.

  • influence of silica on vulcanization by sulphur/cbs

    Influence of silica on vulcanization by sulphur/CBS

    Influence of silica on vulcanization by sulphur/CBS in isoprene rubber Article in International Polymer Science and Technology 39(2):T39-T45 · January 2012 with 20 Reads How we measure 'reads'

  • tmtd, mbts, and cbs accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled natural rubber compound upon vulcanization properties Article · April 2011 with 922 Reads How we measure 'reads'

  • manifestation of accelerator type and vulcanization system

    Manifestation of accelerator type and vulcanization system

    The silica used was Ultrasil VN‐3, whose specific surface area is about 200 m 2 /g. 2.2 Preparation of devulcanized styrene‐butadiene rubber. For devulcanization study, compounding of SBR (100 phr) is carried out with various additives such as ZnO: 5 phr, stearic acid: 2 phr, CBS: 1.2 phr, and sulfur: 1.8 phr in an open‐roll mixing mill.

  • inverse vulcanization of sulfur for polymeric materials

    Inverse Vulcanization of Sulfur for Polymeric Materials

    Licensed to YouTube by Label Worx, jakechudnow (on behalf of Bloc); Rumblefish (Publishing), BMI - Broadcast Music Inc., and 7 Music Rights Societies Show more Show less

  • sulfur vulcanization

    Sulfur vulcanization

    Sulfur vulcanization is a chemical process for converting natural rubber or related polymers into materials of a variety of hardness, elasticity, and mechanical durability by heating them with sulfur or other equivalent curatives or accelerators.

  • manifestation of accelerator type and vulcanization system

    Manifestation of accelerator type and vulcanization system

    studied. The results indicate that the semi-efficient CBS vulcanizate has superior mechanical and thermal properties. Therefore, the effect of accelerator to sulfur ratio, that is, (accelerator/sulfur) on the properties of the blend vulcanizates was deter-mined. It is to highlight that a distinctive correlation is observed between the cross-

  • influence of silica on vulcanization by sulphur/cbs

    Influence of silica on vulcanization by sulphur/CBS

    Influence of silica on vulcanization by sulphur/CBS in isoprene rubber Article in International Polymer Science and Technology 39(2):T39-T45 · January 2012 with 20 Reads How we measure 'reads'

  • vulcanization

    Vulcanization

    Vulcanization (British: Vulcanisation) refers to a range of processes for hardening rubbers. The term originally referred exclusively to the treatment of natural rubber with sulfur, which remains the most common practice; however, it has also grown to include the hardening of other (synthetic) rubbers via various means.

  • influence of sulfur-crosslinking in vulcanized rubber chips

    Influence of sulfur-crosslinking in vulcanized rubber chips

    For each formula, components other than sulfur, accelerators (CBS and TMTD), carbon black and ZnO, which are necessary in vulcanization of natural rubber were used in the same amount as shown in Table 1. The composition of each component is reported in g per 100 g of natural rubber, usually called phr (part per hundred parts of rubber).

  • (pdf) effect of various efficient vulcanization cure systems

    (PDF) Effect of Various Efficient Vulcanization Cure Systems

    Effect of various efficient vulcanization (EV) sulfur cure systems on the compression set of a nitrile rubber filled with carbon black and silica/silane fillers was examined.

  • manifestation of accelerator type and vulcanization system

    Manifestation of accelerator type and vulcanization system

    The silica used was Ultrasil VN‐3, whose specific surface area is about 200 m 2 /g. 2.2 Preparation of devulcanized styrene‐butadiene rubber. For devulcanization study, compounding of SBR (100 phr) is carried out with various additives such as ZnO: 5 phr, stearic acid: 2 phr, CBS: 1.2 phr, and sulfur: 1.8 phr in an open‐roll mixing mill.

  • zinc resinate’s influence on the properties of silica filled

    ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED

    Nina Todorova, Mihail Mihaylov, Ivan Damyankin, Nikolay Dishovsky 213 Journal of Chemical Technology and Metallurgy, 49, 3, 2014, 213-219 ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED

  • tmtd, mbts, and cbs accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled natural rubber compound upon vulcanization properties Article · April 2011 with 922 Reads How we measure 'reads'

  • influence of silica on vulcanization by sulphur/cbs

    Influence of silica on vulcanization by sulphur/CBS

    Influence of silica on vulcanization by sulphur/CBS in isoprene rubber Article in International Polymer Science and Technology 39(2):T39-T45 · January 2012 with 20 Reads How we measure 'reads'

  • influence of silica and its different surface treatments

    Influence of Silica and its Different Surface Treatments

    Influence of Silica and its Different Surface Treatments on the Vulcanization Process of Silica Filled SBR Article in Rubber Chemistry and Technology 80(1):183-193 · March 2007 with 48 Reads

  • tmtd, mbts, and cbs accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled natural rubber compound upon vulcanization properties Article · April 2011 with 922 Reads How we measure 'reads'

  • the effects of multifunctional additive and vulcanization

    The effects of multifunctional additive and vulcanization

    The concentration effects of multifunctional additive (MFA) and vulcanization systems on silica filled epoxidized natural rubber (ENR 25) was investigated in the concentration range 0–7.5 phr. Three vulcanization systems were used; conventional vulcanization (CV), semi-efficient vulcanization (semi-EV) and efficient vulcanization (EV).

  • sulfur vulcanization

    Sulfur Vulcanization

    The general reaction path of accelerated-sulfur vulcanization is thought to be as follows (Coran, 1978; Campbell and Wise, 1964a,b; Hu and Scheele, 1962; Morrison and Porter, 1984; Ghosh et al., 2003): Accelerator reacts with sulfur to give monomeric polysulfides of the structure Ac-S x-Ac where Ac is an organic radical derived from the accelerator (e.g., benzothiazyl-).

  • zinc resinate’s influence on the properties of silica filled

    ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED

    Nina Todorova, Mihail Mihaylov, Ivan Damyankin, Nikolay Dishovsky 213 Journal of Chemical Technology and Metallurgy, 49, 3, 2014, 213-219 ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED

  • influence of silica on vulcanization by sulphur/cbs

    Influence of silica on vulcanization by sulphur/CBS

    Influence of silica on vulcanization by sulphur/CBS in isoprene rubber Article in International Polymer Science and Technology 39(2):T39-T45 · January 2012 with 20 Reads How we measure 'reads'

  • (pdf) effect of various efficient vulcanization cure systems

    (PDF) Effect of Various Efficient Vulcanization Cure Systems

    Effect of various efficient vulcanization (EV) sulfur cure systems on the compression set of a nitrile rubber filled with carbon black and silica/silane fillers was examined.

  • influence of silica and its different surface treatments

    Influence of Silica and its Different Surface Treatments

    Influence of Silica and its Different Surface Treatments on the Vulcanization Process of Silica Filled SBR Article in Rubber Chemistry and Technology 80(1):183-193 · March 2007 with 48 Reads

  • influence of zinc oxide during different stages of sulfur

    Influence of zinc oxide during different stages of sulfur

    Manuel Guzmán, Guillermo Reyes, Núria Agulló, Salvador Borrós, Synthesis of Zn/Mg oxide nanoparticles and its influence on sulfur vulcanization, Journal of Applied Polymer Science, 10.1002/app.32885, 119, 4, (2048-2057), (2010).

  • the effects of multifunctional additive and vulcanization

    The effects of multifunctional additive and vulcanization

    The concentration effects of multifunctional additive (MFA) and vulcanization systems on silica filled epoxidized natural rubber (ENR 25) was investigated in the concentration range 0–7.5 phr. Three vulcanization systems were used; conventional vulcanization (CV), semi-efficient vulcanization (semi-EV) and efficient vulcanization (EV).

  • zinc resinate’s influence on the properties of silica filled

    ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED

    Nina Todorova, Mihail Mihaylov, Ivan Damyankin, Nikolay Dishovsky 213 Journal of Chemical Technology and Metallurgy, 49, 3, 2014, 213-219 ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED

  • influence of silica on vulcanization by sulphur/cbs

    Influence of silica on vulcanization by sulphur/CBS

    Influence of silica on vulcanization by sulphur/CBS in isoprene rubber Article in International Polymer Science and Technology 39(2):T39-T45 · January 2012 with 20 Reads How we measure 'reads'

  • vulcanization

    Vulcanization

    Vulcanization (British: Vulcanisation) refers to a range of processes for hardening rubbers. The term originally referred exclusively to the treatment of natural rubber with sulfur, which remains the most common practice; however, it has also grown to include the hardening of other (synthetic) rubbers via various means.

  • the effects of multifunctional additive and vulcanization

    The effects of multifunctional additive and vulcanization

    Fig. 1 shows the effect of MFA concentration on the hardness of the silica filled ENR vulcanizates cured with different vulcanization systems. It can be seen that in all the vulcanization systems used, the vulcanizate hardness increased with increasing MFA concentration.

  • zinc resinate’s influence on the properties of silica filled

    ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED

    ZINC RESINATE’S INFLUENCE ON THE PROPERTIES OF SILICA FILLED COMPOSITES BASED ON NATURAL RUBBER Nina Todorova 1, sulphur vulcanization, while on the other - as softeners,

  • (pdf) effect of various efficient vulcanization cure systems

    (PDF) Effect of Various Efficient Vulcanization Cure Systems

    Effect of various efficient vulcanization (EV) sulfur cure systems on the compression set of a nitrile rubber filled with carbon black and silica/silane fillers was examined.

  • tmtd, mbts, and cbs accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled natural rubber compound upon vulcanization properties Article · April 2011 with 922 Reads How we measure 'reads'

  • influence of sulfur-crosslinking in vulcanized rubber chips

    Influence of sulfur-crosslinking in vulcanized rubber chips

    For each formula, components other than sulfur, accelerators (CBS and TMTD), carbon black and ZnO, which are necessary in vulcanization of natural rubber were used in the same amount as shown in Table 1. The composition of each component is reported in g per 100 g of natural rubber, usually called phr (part per hundred parts of rubber).

  • influence of silica on vulcanization by sulphur/cbs

    Influence of silica on vulcanization by sulphur/CBS

    Influence of silica on vulcanization by sulphur/CBS in isoprene rubber Article in International Polymer Science and Technology 39(2):T39-T45 · January 2012 with 20 Reads How we measure 'reads'

  • influence of silica on vulcanization by sulphur/cbs

    Influence of Silica on Vulcanization by Sulphur/Cbs

    Download Citation | On Feb 1, 2012, T. Akikusa and others published Influence of Silica on Vulcanization by Sulphur/Cbs in Isoprene Rubber | Find, read and cite all the research you need on

  • tmtd, mbts, and cbs accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled natural rubber compound upon vulcanization properties Article · April 2011 with 922 Reads How we measure 'reads'

  • the effects of multifunctional additive and vulcanization

    The effects of multifunctional additive and vulcanization

    The concentration effects of multifunctional additive (MFA) and vulcanization systems on silica filled epoxidized natural rubber (ENR 25) was investigated in the concentration range 0–7.5 phr. Three vulcanization systems were used; conventional vulcanization (CV), semi-efficient vulcanization (semi-EV) and efficient vulcanization (EV).

  • (pdf) effect of various efficient vulcanization cure systems

    (PDF) Effect of Various Efficient Vulcanization Cure Systems

    Effect of various efficient vulcanization (EV) sulfur cure systems on the compression set of a nitrile rubber filled with carbon black and silica/silane fillers was examined.

  • studies on accelerated sulphur vulcanization of natural

    Studies on accelerated sulphur vulcanization of natural

    The mixtures used for sulphur vulcanization are usually classified into three systems namely conventional, semi-efficient and efficient vulcanization systems. The distinction between the three classes is based on the accelerators/sulfur ratio with accelerator/sulfur ratio of 0.1–0.6 for conventional, 0.7–2.5 for semi-efficient and 2.5–12

  • compounding and vulcanization

    Compounding and Vulcanization

    VULCANIZATION The chemistry of sulphur vulcanization The generally accepted is shown in a simiplified hydrocarbon, The first sulphur, step is the and mechanism of reaction of sulphur with form in Fig. of the After 1, where RH denotes the active sulphuration a agent rubber rubber from atom which being an allylic hydrogen in a methyl or methylene

  • influence of silica on vulcanization by sulphur/cbs

    Influence of silica on vulcanization by sulphur/CBS

    Influence of silica on vulcanization by sulphur/CBS in isoprene rubber Article in International Polymer Science and Technology 39(2):T39-T45 · January 2012 with 20 Reads How we measure 'reads'

  • influence of silica on vulcanization by sulphur/cbs

    Influence of Silica on Vulcanization by Sulphur/Cbs

    Download Citation | On Feb 1, 2012, T. Akikusa and others published Influence of Silica on Vulcanization by Sulphur/Cbs in Isoprene Rubber | Find, read and cite all the research you need on

  • tmtd, mbts, and cbs accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled

    TMTD, MBTS, and CBS accelerator effects on a silica filled natural rubber compound upon vulcanization properties Article · April 2011 with 922 Reads How we measure 'reads'

  • the effects of multifunctional additive and vulcanization

    The effects of multifunctional additive and vulcanization

    The concentration effects of multifunctional additive (MFA) and vulcanization systems on silica filled epoxidized natural rubber (ENR 25) was investigated in the concentration range 0–7.5 phr. Three vulcanization systems were used; conventional vulcanization (CV), semi-efficient vulcanization (semi-EV) and efficient vulcanization (EV).

  • effect of cbs surface treatment on its reactivity in rubber

    Effect of CBS surface treatment on its reactivity in rubber

    Request PDF | Effect of CBS surface treatment on its reactivity in rubber vulcanization | By plasma polymerizing appropriate monomers onto the surface of accelerator particles, here CBS, the onset

  • sulfur vulcanization

    Sulfur Vulcanization

    The general reaction path of accelerated-sulfur vulcanization is thought to be as follows (Coran, 1978; Campbell and Wise, 1964a,b; Hu and Scheele, 1962; Morrison and Porter, 1984; Ghosh et al., 2003): Accelerator reacts with sulfur to give monomeric polysulfides of the structure Ac-S x-Ac where Ac is an organic radical derived from the accelerator (e.g., benzothiazyl-).

  • manifestation of accelerator type and vulcanization system

    Manifestation of accelerator type and vulcanization system

    studied. The results indicate that the semi-efficient CBS vulcanizate has superior mechanical and thermal properties. Therefore, the effect of accelerator to sulfur ratio, that is, (accelerator/sulfur) on the properties of the blend vulcanizates was deter-mined. It is to highlight that a distinctive correlation is observed between the cross-

  • catalytic effect of zno anchored silica nanoparticles

    Catalytic effect of ZnO anchored silica nanoparticles

    The aim of the present work is to study the effect of the silica-supported ZnO NPs on the isoprene rubber (IR) vulcanization, particularly on the formation rate of the sulfurating complexes at the beginning of reaction and of the sulfur cross-links in the final cured material.

  • manifestation of accelerator type and vulcanization system

    Manifestation of accelerator type and vulcanization system

    The silica used was Ultrasil VN‐3, whose specific surface area is about 200 m 2 /g. 2.2 Preparation of devulcanized styrene‐butadiene rubber. For devulcanization study, compounding of SBR (100 phr) is carried out with various additives such as ZnO: 5 phr, stearic acid: 2 phr, CBS: 1.2 phr, and sulfur: 1.8 phr in an open‐roll mixing mill.

  • influence of zinc oxide during different stages of sulfur

    Influence of zinc oxide during different stages of sulfur

    The results demonstrate the influence of ZnO during the different stages of the vulcanization. With ZnO present, a marked decrease can be observed in the sulfur concentration during an early stage of vulcanization, along with a slight delay in the disappearance of the crosslink precursor.

  • influence of sulfenamide accelerators on cure kinetics

    Influence of sulfenamide accelerators on cure kinetics

    It has been found that the natural rubber compound with CBS accelerator shows the fastest sulfur vulcanization rate and the lowest activation energy (E a) because CBS accelerator produces higher level of basicity of amine species than other sulfenamide accelerators, further forming a complex structure with zinc ion as ligand in sulfur

  • [pdf] effect of the crosslink density and sulfur-length

    [PDF] Effect of the crosslink density and sulfur-length

    The scope of this study is the investigation of the influence of different sulfur vulcanization systems for silica reinforced SBR/BR blends on the performance indicators of tire treads made thereof. Three series of compounds were prepared: with conventional, semi-efficient and efficient vulcanization systems. Each vulcanization system results in a specific overall crosslink density and

  • influence of sulfenamide accelerators on cure kinetics

    Influence of sulfenamide accelerators on cure kinetics

    It has been found that the natural rubber compound with CBS accelerator shows the fastest sulfur vulcanization rate and the lowest activation energy (E a) because CBS accelerator produces higher level of basicity of amine species than other sulfenamide accelerators, further forming a complex structure with zinc ion as ligand in sulfur

  • manifestation of accelerator type and vulcanization system

    Manifestation of accelerator type and vulcanization system

    The silica used was Ultrasil VN‐3, whose specific surface area is about 200 m 2 /g. 2.2 Preparation of devulcanized styrene‐butadiene rubber. For devulcanization study, compounding of SBR (100 phr) is carried out with various additives such as ZnO: 5 phr, stearic acid: 2 phr, CBS: 1.2 phr, and sulfur: 1.8 phr in an open‐roll mixing mill.

  • effect of various efficient vulcanization cure systems on the

    Effect of Various Efficient Vulcanization Cure Systems on the

    Sulfur vulcanization uses accelerator to open elemental sulfur ring to form crosslinks with the rubber chains. Accelerators, in simplest terms, hasten the cleavage of the sulfur ring and for-mation of thiyl and polysulfenyl radicals.8 Sulfenamide accelera-tors such as N-cyclohexyl-2-benzothiazole sulfenamide (CBS)

  • influence of zinc oxide during different stages of sulfur

    Influence of zinc oxide during different stages of sulfur

    The results demonstrate the influence of ZnO during the different stages of the vulcanization. With ZnO present, a marked decrease can be observed in the sulfur concentration during an early stage of vulcanization, along with a slight delay in the disappearance of the crosslink precursor.

  • vulcanization kinetics study of natural rubber compounds

    Vulcanization kinetics study of natural rubber compounds

    The vulcanization characteristics and cure kinetics were investigated by varying the loading of TMTD, sulfur and silica in the compositions. The content of TMTD incor-porated to the rubber compounds varied from 1.5 to 2.5 phr with the increment of 0.5 phr, the sulfur concentration was changed from 0.25 to 0.5 phr, and the silica loadings of 0,

  • influence of compounding and mixing on filler dispersion

    Influence of compounding and mixing on filler dispersion

    The silica compounds with various types of silane coupling agent having different sulfidic bridges and functions are compared in terms of filler-filler interaction, filler-polymer interaction and sulfur donation effect on the marching modulus.Chapter 4: Based on the results of Chapter 3, the influence of mixing parameters which are related to