amidino thiourea as a secondaryaccelerator

amidino thiourea as a secondaryaccelerator

  • amidino thiourea as a secondaryaccelerator in rubber vulcanization

    AMIDINO THIOUREA AS A SECONDARYACCELERATOR IN RUBBER VULCANIZATION

    DECLARATION I hereby declare that the thesis entitled ”Amidino Thiourea as a Secondary Accelerator in Rubber Vulcanization" is the original work carried out by me under the supervision of Prof. (Dr.) A.P.Kuriakose, Professor Enzeritus,

  • amidinothiourea as a secondary accelerator in a binary system for the sulphur vulcanization of natural rubber | springerlink

    Amidinothiourea as a secondary accelerator in a binary system for the sulphur vulcanization of natural rubber | SpringerLink

    Amidinothiourea as a secondary accelerator in a binary system for the sulphur vulcanization of natural rubber Authors Authors and affiliations V. T. E. Mini C. Mathew A. P. Kuriakose D. J. Francis Papers First Online: 13 September 2004 67

  • new binary systems containing tmtd‐amidino phenyl thiourea and cbs–amidinophenyl thiourea for the vulcanization and rheological behavior

    New binary systems containing TMTD‐amidino phenyl thiourea and CBS–amidinophenyl thiourea for the vulcanization and rheological behavior

    In the present study, N amidino N'phenyl thiourea (APT) which is more nucleophilic than thiourea was studied as a secondary accelerator along with tetra methyl thiuram disulphide (TMTD) and N‐cyclohexylbenzothiazyl sulphenamide (CBS) in the

  • a new binary accelerator system for filled natural rubber vulcanization - ippi

    A New Binary Accelerator System For Filled Natural Rubber Vulcanization - IPPI

    N-amidino-N'-phenyl thiourea (APT) functions effectively as a secondary accelerator in mercaptobenzothiazyl disulphide-APT, tetramethyl thiuram disulphide-APT, andcyclohexyl benzthiazyl sulphenamide-APT binary systems in filled natural

  • studies on sulphur vulcanisation of natural rubber using amidino thiourea

    Studies on sulphur vulcanisation of natural rubber using amidino thiourea

    In the present work the results obtained when a derivative of thiourea, namely amidino thiourea (ATU), is used as a secondary accelerator together with TMTD, MBTS, or CBS in the sulphur

  • effect of fillers in the binary systems containing tmtd–amidinothiourea and mbts–amidinothiourea in nr vulcanization, journal of applied

    Effect of fillers in the binary systems containing TMTD–amidinothiourea and MBTS–amidinothiourea in NR vulcanization, Journal of Applied

    In earlier studies,1,2 we have shown that in MBTS–amidinothiourea and TMTD–amidinothiourea binary system of rubber vulcanization, amidinothiourea functions effectively as a secondary accelerator and improves the accelerator activity of these

  • a new binary accelerator system for filled natural rubber vulcanization - researchgate

    A New Binary Accelerator System For Filled Natural Rubber Vulcanization - ResearchGate

    In the present work the results obtained when a derivative of thiourea, namely amidino thiourea (ATU), is used as a secondary accelerator together with TMTD, MBTS, or CBS in the sulphur

  • new binary systems containing tmtd-amidino phenyl thiourea and cbs-amidinophenyl thiourea for the vulcanization and rheological behavior

    New Binary Systems Containing TMTD-Amidino Phenyl Thiourea and CBS-Amidinophenyl Thiourea for the Vulcanization and Rheological Behavior

    In the present study, N amidino N'phenyl thiourea (APT) which is more nucleophilic than thiourea was studied as a secondary accelerator along with tetra methyl thiuram disulphide (TMTD) and N

  • a. p. kuriakose's research works | cochin university of science and technology, cochin (cusat) and other places

    A. P. Kuriakose's research works | Cochin University of Science and Technology, Cochin (CUSAT) and other places

    A. P. Kuriakose's 27 research works with 244 citations and 1,022 reads, including: New Binary Systems Containing TMTD-Amidino Phenyl Thiourea and CBS-Amidinophenyl Thiourea for the Vulcanization

  • guanylthiourea | c2h6n4s - pubchem

    Guanylthiourea | C2H6N4S - PubChem

    Amidinothiourea 2114-02-5 Guthimin Guthimine N-Amidinothiourea Thiourea, (aminoiminomethyl)-Thiodicyanodiamidine (diaminomethylidene)thiourea 1-Amidino-2-thiourea 2-Imino-4-thiobiuret Gutimine 1-Amidinothiourea Urea, 1-amidino-2-thio- UNII-LF1NJ

  • a new binary accelerator system for the sulfur vulcanization of natural rubber latex - mathew - 1993 - journal of applied polymer science - wiley

    A new binary accelerator system for the sulfur vulcanization of natural rubber latex - Mathew - 1993 - Journal of Applied Polymer Science - Wiley

    It has been suggested that, in latex vulcanization systems where thiourea is used as a secondary accelerator, it acts as a nucleophilic reagent facilitating the cleavage of the sulfur bonds in the primary accelerator like TMTD or CBS at lower

  • studies on new binary accelerator systems in rubber vulcanisation

    Studies on New Binary Accelerator Systems in Rubber Vulcanisation

    In the present investigation we used N-amidino N'<phenyl thiourea as a secondary accelerator in the sulphur vulcanisation of SBR with MBTS/TMTD as primary. Binary systems containing thiourea as the secondary accelerator are taken as

  • effect of apt in nr-crblends

    EFFECT OF APT IN NR-CRBLENDS

    effectively as a secondary accelerator in NR and CR formulations, we thought it worthwhile to investigate the effect of this non-toxic amidino thiourea derivative in the different vulcanisation systems of NR-CR blends. The variations in cure

  • browsing ph.d theses by title - dyuthi cusat

    Browsing Ph.D THESES by Title - Dyuthi CUSAT

    Amidino Thiourea as a Secondary Accelerator in Rubber Vulcanization Mary, Kurien; Dr.Kuriakose, A P (Cochin University of Science And Technology, September 7, 2002) [+] [-] Abstract: Earlier studies5773 in our laboratory showed that when a

  • studies on new binary accelerator systems in rubber vulcanisation

    Studies on New Binary Accelerator Systems in Rubber Vulcanisation

    Amidino phenyl thiourea (APT) was prepared accordingly to the procedure given in chapter 3. 131 Yulcanisatiou ofCR Table 6.1 Formulations ofCR gum mixes Ingredients Ai A2 A3 A4 Ri R2 CR 100 100 100 100 100 100 MgO 4 4 4 4 4 4 Stearic acid 2 2 2

  • research journal of chemical sciences : eco-friendly approach for a facile synthesis of o-hydroxyphenylthiourea and its property as an analytical

    Research Journal of Chemical Sciences : Eco-friendly Approach for a Facile Synthesis of o-Hydroxyphenylthiourea and its Property as an Analytical

    Mini V., Mathew C., Kuriakose A. and Francis D., Amidinothiourea as a Secondary Accelerator in a Binary System for the Sulphur Vulcanization of Natural Rubber, J. mat. sci., 30(8), 2049-2054 (1995) Leone R.E., Weber W.W. and Wrathall D.P., Acyl

  • the effect of n-benzoyl-n, n'-pyrrolidinylthiourea - a novel secondary accelerator in the sulphur vulcanization of nr/sbr blend | polymers

    The Effect of N-benzoyl-N, N'-pyrrolidinylthiourea - A Novel Secondary Accelerator in the Sulphur Vulcanization of NR/SBR Blend | Polymers

    Binary accelerator systems are widely used in rubber industry. They are popular because such systems can prevent pre-vulcanization, permit vulcanization at lower temperature in a shorter time and can also produce vulcanizate with better

  • exact concentration dependence of the landolt time in the thiourea dioxide–bromate substrate-depletive clock reaction | the journal of physical

    Exact Concentration Dependence of the Landolt Time in the Thiourea Dioxide–Bromate Substrate-Depletive Clock Reaction | The Journal of Physical

    The thiourea dioxide (TDO)–bromate reaction has been reinvestigated spectrophotometrically under acidic conditions using phosphoric acid–dihydrogen-phosphate buffer within the pH range of 1.1–1.8 at 1.0 M ionic strength adjusted by sodium

  • vulcanization & accelerators

    Vulcanization & Accelerators

    1 Vulcanization & Accelerators Vulcanization is a cross linking process in which individual molecules of rubber (polymer) are converted into a three dimensional network of interconnected (polymer) chains through chemical cross links(of