use for tyre making for ethylene thiourea

  • ethylene thiourea - us epa

    Ethylene Thiourea - US EPA

    Ethylene thiourea is used in the rubber industry and in the production of some fungicides. No information is available on the acute (short-term) or chronic (long-term) effects of ethylene thiourea in humans. In rodents chronically exposed to ethylene thiourea in their diet, effects on the thyroid have been observed.

  • cdc - niosh pocket guide to chemical hazards - ethylene thiourea

    CDC - NIOSH Pocket Guide to Chemical Hazards - Ethylene thiourea

    Ethylene thiourea. Related Pages. Synonyms & Trade Names 1,3-Ethylene-2-thiourea, N,N-Ethylenethiourea, ETU, 2-Imidazolidine-2-thione Ca Use encapsulated form

  • ethylene thiourea hazard summary ethylene thiourea

    ETHYLENE THIOUREA HAZARD SUMMARY Ethylene Thiourea

    Ethylene Thiourea is a white to pale green crystalline (sand-like) solid, with a faint Amine odor. It is used in electroplating, insecticides, fungicides, dyes, pharmaceuticals, and synthetic resins, and in making Neoprene rubber. REASON FOR CITATION * Ethylene Thiourea is on the Hazardous Substance List because it is cited by NIOSH, NTP, DEP

  • china high purity rubber accelerator etu (na-22) for tyre use

    China High Purity Rubber Accelerator Etu (NA-22) for Tyre Use

    China High Purity Rubber Accelerator Etu (NA-22) for Tyre Use CAS No. 96-45-7, Find details about China Rubber Accelerator, Etu from High Purity Rubber Accelerator Etu (NA-22) for Tyre Use CAS No. 96-45-7 - Yantai Wenxu Industrial Co., Ltd.

  • catalytic effect of ethylene thiourea on the leaching

    Catalytic effect of ethylene thiourea on the leaching

    Chalcopyrite leaching in acidic ferric sulfate media was improved by addition of ethylene thiourea (ETU) in shaking flask tests with the iron-oxidizing bacterium acidithiobacillus ferrooxidans. In bioreactor experiments, ETU was able to solubilize the chalcopyrite even after the mineral was pre-leached under non-catalytic conditions.

  • rubber chemical ethylene thiourea, rubber chemical ethylene

    rubber chemical ethylene thiourea, rubber chemical ethylene

    About product and suppliers: 159 rubber chemical ethylene thiourea products are offered for sale by suppliers on Alibaba.com A wide variety of rubber chemical ethylene thiourea options are available to you, There are 4 suppliers who sells rubber chemical ethylene thiourea on Alibaba.com, mainly located in Asia.

  • tyre2oil | tyre to oil | machine for extracting oil from used

    Tyre2oil | Tyre to Oil | Machine for extracting Oil from used

    Convert the waste used TYRES into an absoluterly usable substance - OIL We provide technology in a recycling plant for waste tires and waste motor oil to reclaim high value Furnace Oil, Black Carbon, and Steel wire from the latest pyrolysis process with low investment and low running cost.

  • china high purity rubber accelerator etu (na-22) for tyre use

    China High Purity Rubber Accelerator Etu (NA-22) for Tyre Use

    China High Purity Rubber Accelerator Etu (NA-22) for Tyre Use CAS No. 96-45-7, Find details about China Rubber Accelerator, Etu from High Purity Rubber Accelerator Etu (NA-22) for Tyre Use CAS No. 96-45-7 - Yantai Wenxu Industrial Co., Ltd.

  • ethylene thiourea - us epa

    Ethylene Thiourea - US EPA

    Ethylene thiourea is used in the rubber industry and in the production of some fungicides. No information is available on the acute (short-term) or chronic (long-term) effects of ethylene thiourea in humans. In rodents chronically exposed to ethylene thiourea in their diet, effects on the thyroid have been observed.

  • rubber chemical ethylene thiourea, rubber chemical ethylene

    rubber chemical ethylene thiourea, rubber chemical ethylene

    About product and suppliers: 159 rubber chemical ethylene thiourea products are offered for sale by suppliers on Alibaba.com A wide variety of rubber chemical ethylene thiourea options are available to you, There are 4 suppliers who sells rubber chemical ethylene thiourea on Alibaba.com, mainly located in Asia.

  • a safer alternative replacement for thiourea based

    A Safer Alternative Replacement for Thiourea Based

    Ethylene thiourea (ETU)-based accelerators have been the industry standard for speeding the vulcanisation process (acting as an accelerator). However, ETU has now been classified as a suspected human carcinogen by various EU bodies. Its use is expected to be restricted or prohibited by the EU in the near future.

  • 2-imidazolidinethione | c3h6n2s

    2-Imidazolidinethione | C3H6N2S

    Ethylene thiourea is used in the rubber industry and in the production of some fungicides. No information is available on the acute (short-term) or chronic (long-term) effects of ethylene thiourea in humans. In rodents chronically exposed to ethylene thiourea in their diet, effects on the thyroid have been observed.

  • turning tyres into diesel fuel - sustainabilitymatters.net.au

    Turning tyres into diesel fuel - sustainabilitymatters.net.au

    Used tyres can be turned into black gold or more precisely into a quality diesel fuel with a new tyre recycling technology, according to AAA Recycling. Waste tyres are intractable waste and cause considerable concern for the environment not only in the storage requirements of used tyres a year.

  • ethylene thiourea [mak value documentation, 1998] - - major

    Ethylene thiourea [MAK Value Documentation, 1998] - - Major

    Ethylene thiourea was used as an aqueous solution. After 24 hours, an allergic reaction was seen in one of 10 animals treated with the 0.5 % solution and in 7 of 10 animals treated with the 2 % solution. After 48 hours no reaction was seen in any animal (Matsushita et al. 1976, cited from BG Chemie 1995). 5.5 Reproductive toxicity

  • aerial application of mancozeb and urinary ethylene thiourea

    Aerial Application of Mancozeb and Urinary Ethylene Thiourea

    of ethylene-bis-dithiocarbamate (EBDC), comprises about half of the pesticides used and is applied weekly by light aircraft (Figure 1) (Barraza et al. 2011; Bravo et al. 2013). To our knowledge, no other EBDCs are being used on these plantations (Bravo et al. 2013). Mancozeb is a commonly used fungicide throughout the world, registered for use in

  • diy dog bed from a recycled tire! - practically functional

    DIY Dog Bed From A Recycled Tire! - Practically Functional

    Just make sure you don’t use a used steel belted radial tire. I made this mistake once when trying to make a tire swing for our raccoons in care. The metal comes out of the tire and is very sharp. Only use regular tires. I will try this for our animals. They all love sleeping in the tire swing.

  • a safer alternative replacement for thiourea based

    A Safer Alternative Replacement for Thiourea Based

    Ethylene thiourea (ETU)-based accelerators have been the industry standard for speeding the vulcanisation process (acting as an accelerator). However, ETU has now been classified as a suspected human carcinogen by various EU bodies. Its use is expected to be restricted or prohibited by the EU in the near future.

  • rubber accelerator etu 3

    rubber accelerator etu 3

    Rubber Accelerator TMTD(TT) - RICHON CHEM. Rubber Accelerator Etu (na-22) 1,3-ethylene Thiourea,Cas 96-45-7 , Find Complete Details about Rubber Accelerator Etu (na-22) 1,3-ethylene Thiourea,Cas 96-45-7,Rubber Accelerator Etu (na-22) 1 3-ethylene Thiourea,1 3-ethylene Thiourea 96-45-7,96-45-7 from Rubber Auxiliary Agents Supplier or Manufacturer-Wuhan Pharmchem Trade Co., Ltd.

  • thiourea, 62-56-6

    thiourea, 62-56-6

    Prohibited from use in food Another common application for use of thiourea is a common sulfur source for making semiconductor cadmium sulfide nanoparticle. A slurry of 1 g cadmium sulfate (1.3 mmol), 0.5 g thiourea (6.6 mmol), and 0.1 g SiO2 (1.7 mmol) were sonicated for 3 hours under ambient air at room temperature.

  • ethylene thiourea - us epa

    Ethylene Thiourea - US EPA

    Ethylene thiourea is used in the rubber industry and in the production of some fungicides. No information is available on the acute (short-term) or chronic (long-term) effects of ethylene thiourea in humans. In rodents chronically exposed to ethylene thiourea in their diet, effects on the thyroid have been observed.

  • ethylene thiourea

    Ethylene thiourea

    Ethylene thiourea (ETU) is an organosulfur compound with the formula C 3 H 6 N 2 S. It is an example of an N,N-disubstituted thiourea. It is a white solid. It is synthesized by treating ethylenediamine with carbon disulfide. Ethylene thioureas are an excellent accelerant of vulcanization of neoprene and polychloroprene rubbers. In commercial

  • 2-imidazolidinethione | c3h6n2s

    2-Imidazolidinethione | C3H6N2S

    Ethylene thiourea is used in the rubber industry and in the production of some fungicides. No information is available on the acute (short-term) or chronic (long-term) effects of ethylene thiourea in humans. In rodents chronically exposed to ethylene thiourea in their diet, effects on the thyroid have been observed.

  • china high purity rubber accelerator etu (na-22) for tyre use

    China High Purity Rubber Accelerator Etu (NA-22) for Tyre Use

    China High Purity Rubber Accelerator Etu (NA-22) for Tyre Use CAS No. 96-45-7, Find details about China Rubber Accelerator, Etu from High Purity Rubber Accelerator Etu (NA-22) for Tyre Use CAS No. 96-45-7 - Yantai Wenxu Industrial Co., Ltd.

  • ethylene thiourea

    ETHYLENE THIOUREA

    ETHYLENE THIOUREA (Group 2B) A. Evidence for carcinogenicity to humans (inadequate) ln one incidence study, 1929 workers were identified as having worked at some time with ethylene thiourea in one of several rubber manufacturing companies and in one firm producing ethylene thiourea. No case of thyroid cancer was reported in this group to the

  • a safer alternative replacement for thiourea based

    A Safer Alternative Replacement for Thiourea Based

    Ethylene thiourea (ETU)-based accelerators have been the industry standard for speeding the vulcanisation process (acting as an accelerator). However, ETU has now been classified as a suspected human carcinogen by various EU bodies. Its use is expected to be restricted or prohibited by the EU in the near future.

  • catalytic effect of ethylene thiourea on the leaching

    Catalytic effect of ethylene thiourea on the leaching

    Chalcopyrite leaching in acidic ferric sulfate media was improved by addition of ethylene thiourea (ETU) in shaking flask tests with the iron-oxidizing bacterium acidithiobacillus ferrooxidans. In bioreactor experiments, ETU was able to solubilize the chalcopyrite even after the mineral was pre-leached under non-catalytic conditions.

  • catalytic effect of ethylene thiourea on the leaching

    Catalytic effect of ethylene thiourea on the leaching

    The electrochemical interaction between minerals and ETU is beyond the scope of this paper and will be the focus of future work. Download : Download high-res image (115KB) Download : Download full-size image; Fig. 2. Cyclic voltammetry study on 200 ppm of ethylene thiourea at three scan rates.

  • technical notebook: developing eco-friendly curatives

    Technical notebook: Developing eco-friendly curatives

    Rhenogran HPCA-50 combined with Rhenogran MTT-80 will be shown to be an effective replacement for ethylene-thiourea (ETU), which is considered to be both carcinogenic and mutagenic. This information will assist the rubber compounder in making choices that meet the compound performance needs as well as contribute to the overall environmental and

  • 2-imidazolidinethione | c3h6n2s

    2-Imidazolidinethione | C3H6N2S

    Ethylene thiourea is used in the rubber industry and in the production of some fungicides. No information is available on the acute (short-term) or chronic (long-term) effects of ethylene thiourea in humans. In rodents chronically exposed to ethylene thiourea in their diet, effects on the thyroid have been observed.

  • national pesticide survey / ethylene thiourea

    National Pesticide Survey / Ethylene Thiourea

    WPS Ethylene Thiourea Printed on Recycled Paper ------- Findings of Based on the results of the NPS, EPA estimates that ETU is present, at or above the National the analytical detection level of 4.5 pg/L used in the Survey, in about 8,470 (0.1 %) Pesticide rural domestic wells nationwide.

  • a safer alternative replacement for thiourea based

    A Safer Alternative Replacement for Thiourea Based

    Ethylene thiourea (ETU)-based accelerators have been the industry standard for speeding the vulcanisation process (acting as an accelerator). However, ETU has now been classified as a suspected human carcinogen by various EU bodies. Its use is expected to be restricted or prohibited by the EU in the near future.

  • saferubber | pera international

    Saferubber | Pera International

    Thiourea based accelerators are used in the vulcanisation of polychloroprene rubber, primarily ethylene thiourea (ETU). To date they have been proven to produce the highest performance rubber cure system. However, ETU is inherently toxic, being classed as a Category 2 carcinogen by the EU classification, IARC and EPA. Objectives

  • health hazard evaluation report 1981-328-1131

    Health Hazard Evaluation Report 1981-328-1131

    with ethylene thiourea (ETU), a known animal carcinogen and teratogen, used in the Milling Department. The company presently uses ETU in the encapsulated {instead of the powdered) form which is the form . recommended by NIOSH as least likely to escape into the environmental and subsequently be absorbed by workers (14).

  • us3586087a - tire - google patents

    US3586087A - Tire - Google Patents

    A superior tire, particularly of the tubeless variety, has a rubber/fabric carcass the inner air-contacting surfaces of which are lined or covered with an integral, extensible, vulcanized rubbery composition based on a blend of (1) a halogenated butyl rubber and (2) a rubbery epihalohydrin homopolymer such as polyepichlorohydrin plus a moderately high proportion of a soft, medium structure

  • sampling and analytical methods: thiourea - (partially

    Sampling and Analytical Methods: Thiourea - (Partially

    Because thiourea and ethylene thiourea are chemically similar, GFF was evaluated as a sampling medium for thiourea. 1.1.2. Toxic effects (This section is for information only and should not be taken as the basis of OSHA policy.) Chronic administration of thiourea in rats has resulted in hepatic tumors, bone marrow depression and goiters.

  • ethylene thiourea [mak value documentation, 1998] - - major

    Ethylene thiourea [MAK Value Documentation, 1998] - - Major

    Ethylene thiourea and NaNO 2 alone were not found to be mutagenic in the dose range investigated of 1450 to 2900 µmol/kg body weight (ethylene thiourea doses of 148–296 mg/kg body weight, NaNO 2 doses of 100–200 mg/kg body weight (Braun et al.

  • dependence of mechanical and aging properties of chloroprene

    Dependence of mechanical and aging properties of chloroprene

    The interaction between silica and rubber and its influences on properties of rubber have been studied extensively for decades. Many published papers have revealed that precipitated silica could interact strongly via primary chemical bonds with functionalized polymers such as chlorosulfonated polyethylene (CSM), epoxidized natural rubber (ENR) and carboxylated nitrile rubber (XNBR) , , , , .

  • ethylenethiourea

    Ethylenethiourea

    Apart from occupational exposures ethylene thiourea (ETU) may be introduced to the organism as a result of exposure to ethylenebisthiocarbamate fungicides where it is a metabolite. The substance is stored in thyroid tissue and effects the output of the thyroid gland (hypothyroidism).

  • us3037968a - process consisting essentially of reacting a

    US3037968A - Process consisting essentially of reacting a

    thiourea copolymer halogenated isoolefin multiolefin Prior art date 1959-04-21 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US807757A Inventor Delmer L Cottle Jr

  • ethylene thiourea [mak value documentation, 1998] - - major

    Ethylene thiourea [MAK Value Documentation, 1998] - - Major

    Ethylene thiourea and NaNO 2 alone were not found to be mutagenic in the dose range investigated of 1450 to 2900 µmol/kg body weight (ethylene thiourea doses of 148–296 mg/kg body weight, NaNO 2 doses of 100–200 mg/kg body weight (Braun et al.

  • us3037968a - process consisting essentially of reacting a

    US3037968A - Process consisting essentially of reacting a

    thiourea copolymer halogenated isoolefin multiolefin Prior art date 1959-04-21 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US807757A Inventor Delmer L Cottle Jr

  • mechanism for cross-linking polychloroprene with ethylene

    MECHANISM FOR CROSS-LINKING POLYCHLOROPRENE WITH ETHYLENE

    An investigation into the mechanism by which ethylene thiourea (ETU) cross-links polychloroprene (CR) in combination with zinc oxide (ZnO) was undertaken. This was achieved through an examination of the mechanisms of cross-linking CR with ETU and ZnO separately and in unison.

  • dependence of mechanical and aging properties of chloroprene

    Dependence of mechanical and aging properties of chloroprene

    The interaction between silica and rubber and its influences on properties of rubber have been studied extensively for decades. Many published papers have revealed that precipitated silica could interact strongly via primary chemical bonds with functionalized polymers such as chlorosulfonated polyethylene (CSM), epoxidized natural rubber (ENR) and carboxylated nitrile rubber (XNBR) , , , , .

  • aerial application of mancozeb and urinary ethylene thiourea

    Aerial Application of Mancozeb and Urinary Ethylene Thiourea

    of ethylene-bis-dithiocarbamate (EBDC), comprises about half of the pesticides used and is applied weekly by light aircraft (Figure 1) (Barraza et al. 2011; Bravo et al. 2013). To our knowledge, no other EBDCs are being used on these plantations (Bravo et al. 2013). Mancozeb is a commonly used fungicide throughout the world, registered for use in

  • saferubber - a safer alternative replacement for thiourea

    SAFERUBBER - A Safer Alternative Replacement for Thiourea

    SAFERUBBER - A Safer Alternative Replacement for Thiourea Based Accelerators in the Production Process of Chloroprene Rubber (SAFERUBBER) NEWS N. 22928 FONTE: CORDIS - PROJECTS del 07/10/2010