rubber antioxidant n-phenyl-2-naphthylamine for producing rubber and tyre

Jan - 20
2017

rubber antioxidant n-phenyl-2-naphthylamine for producing rubber and tyre

recent progress in the rubber antioxidants: a review

Recent progress in the rubber antioxidants: A review

We first give a brief introduction of the oxidation process and oxidation mechanism for rubbers. Then, we present the strategies to improve the anti-oxidative efficiency of rubber antioxidants. After that, recent advances to minimize the blooming and migration of antioxidants are summarized.

Get Price
ijerph | free full-text | rubber antioxidants and their ...

IJERPH | Free Full-Text | Rubber Antioxidants and Their ...

Phosphite antioxidants mainly include tris (nonylphenyl) phosphate (TNP), tris (1,2,2,6,6-pentamethylpiperidinyl) phosphite (GW-540), and tris (2,4-di-tert-butylphenyl) phosphite (Irgafos168). GW-540 is widely used in tires blended with styrene butadiene rubber and polybutadiene rubber.

Get Price
current intelligence bulletin 16: metabolic precursors beta ...

Current Intelligence Bulletin 16: Metabolic Precursors Beta ...

The National Institute for Occupational Safety and Health (NIOSH) has recently learned that both N-phenyl- B -naphthylamine (a widely used rubber antioxidant) and 2-nitronaphthalene (a by-product of a-naph-thylamine production) are metabolized to the known human carcinogen, B -naphthylamine.

Get Price
machine-learning-assisted molecular design of ...

Machine-learning-assisted molecular design of ...

In this study, a total of 302 molecular structures of phenylnaphthylamine antioxidants based on N-phenyl-1-naphthylamine and N-phenyl-2-naphthylamine skeletons with various substituents were modeled by exhaustive methods. Antioxidant parameters, including the hydrogen dissociation energy, solubility parameter, and binding energy, were ...

Get Price
metabolic dephenylation of the rubber antioxidant n-phenyl-2 ...

Metabolic dephenylation of the rubber antioxidant N-phenyl-2 ...

N-Phenyl-2-naphthylamine (P2NA) was widely used as oxidation inhibitor, particularly in rubber manufacturing. Technical-grade P2NA was contaminated with carcinogenic 2-naphthylamine (2NA), and bladder cancer risk in exposed workers was attributed to this impurity. Investigations in humans and mammal …

Get Price
metabolic dephenylation of the rubber antioxidant n-phenyl-2 ...

Metabolic dephenylation of the rubber antioxidant N-phenyl-2 ...

N -Phenyl-2-naphthylamine (P2NA) was widely used as oxidation inhibitor, particularly in rubber manufacturing. Technical-grade P2NA was contaminated with carcinogenic 2-naphthylamine (2NA), and bladder cancer risk in exposed workers was attributed to this impurity.

Get Price
metabolic dephenylation of the rubber antioxidant n-phenyl-2 ...

Metabolic dephenylation of the rubber antioxidant N-phenyl-2 ...

N-Phenyl-2-naphthylamine (P2NA) was widely used as oxidation inhibitor, particularly in rubber manufacturing. Technical-grade P2NA was contaminated with carcinogenic 2-naphthylamine (2NA),...

Get Price
antioxidant effects on curing/processing and thermo-oxidative ...

Antioxidant effects on curing/processing and thermo-oxidative ...

Antioxidant BY is a compound antioxidant composed of DPA diphenylamine derivatives and hindered phenols. Therefore, this suggested that antioxidant DPA had better thermo-oxidative aging protection effect on NBR/Fe 3 O 4 /ZDMA composites, while TMDQ and PPD antioxidants failed for this rubber composite system.

Get Price
aniline and aniline hydrochloride - some aromatic amines and ...

Aniline and Aniline Hydrochloride - Some Aromatic Amines and ...

Among the rubber-processing agents made from aniline are several important vulcanization accelerators and antioxidants, including aldehyde–aniline condensates (e.g. N-butyraldehyde condensate), guanidines (e.g. 1,3-diphenylguanidine), N-phenyl-2-naphthylamine , thiazoles (e.g. 2,2′-dithiobisbenzothiazole and other derivatives of 2 ...

Get Price
rubber antioxidant n-phenyl-2-naphthylamine(pbn d) for ...

rubber antioxidant n-phenyl-2-naphthylamine(pbn d) for ...

N ‐phenyl‐2‐naphthylamine was tested for some time as a component of the “naphthyl mix” (0.5% N ‐phenyl‐2‐naphthylamine and ...

Get Price
rubber antioxidant a(pan),rubber antioxidant on malaysia ...

rubber antioxidant a(pan),rubber antioxidant on malaysia ...

Antioxidant N-phenyl-1-naphthylamine( A/pan) For Producing Rubber. Antioxidant N-phenyl-1-naphthylamine( A/pan) For Producing Rubber And Tyre , Find Complete Details about Antioxidant N-phenyl-1-naphthylamineUsed in tyres, rubber belts, rubber shoes and so on. Package: Polypropyrene knitted bags lined with polyethylene bags. Net weight 25kg per ...

Get Price
china naphthylamine manufacturer, suppliers, factory - rubber ...

China Naphthylamine Manufacturer, Suppliers, Factory - Rubber ...

Chemical Name: N-Phenyl-1-Naphthylamine Molecular Formula: C16H13N Molecular Weight: 219 CAS NO.: 90-30-2 Package: 25kg/bag Storage Life: 24months Add to Inquiry As a professional China naphthylamine manufacturer and suppliers, we supply rubber chemical, rubber additive and prepared rubber products with high quality and best price.

Get Price
n-(2-naphthyl)aniline | 135-88-6 - chemicalbook

N-(2-Naphthyl)aniline | 135-88-6 - ChemicalBook

N-Phenyl-2-naphthylamine is used as an antioxidant in rubber processing; provides oxidation and flex-cracking resistance in natural rubber, synthetic rubbers, and latexes; stabilizer in electrical-insulating silicone enamels; antioxidant in otiJer polymers, greases, lubricating oils, and transformer oils; heat and light stabilizer ...

Get Price
rubber antioxidant n-phenyl-2-naphthylamine pbn d for ...

rubber antioxidant n-phenyl-2-naphthylamine pbn d for ...

It is used as a chemical intermediate in the production of the rubber antioxidant, N-phenyl-2-naphthylamine-acetone condensate, and in the production of seven dyes. ( Ref. 5.11. 1.1.4. Get Price

Get Price
rubber antioxidant d n-pheny1-2-naphthylamine in argentina

rubber antioxidant d n-pheny1-2-naphthylamine in argentina

Antioxidant D Chemical name: N-phenyl-2-naphthylamine Molecular Formula: C16H13N Chemical Structure: Specification Item Specification Appearance Pale or Brown powder Melting point Rubber Antioxidant N-phenyl-2-naphthylamine(PBN/ D) for producing rubber and tyre , Ltd. 1 Metric Ton (Min. Order) Soluble in acetone, chloroform, alcohol and ...

Get Price
rubber antioxidant n-phenyl-2-naphthylaminepbn d for ...

rubber antioxidant n-phenyl-2-naphthylaminepbn d for ...

Rubber Antioxidant N-phenyl-2-naphthylamine(PBN/ D) for producing rubber and tyre , Ltd. 1 Metric Ton (Min. Order) Soluble in acetone, chloroform, alcohol and tetracol, nonsoluble in gasoline and Rubber Additive Product: Rubber antioxidant D(PBN) Chemical name : N-phenyl-2-naphthylamine Molecular Formula : C 16 H 13 N Specification Item ...

Get Price
abstract for tr-333 - national toxicology program

Abstract for TR-333 - National Toxicology Program

Abstract. N-Phenyl- 2- naphthylamine, formerly used as a antioxidant in the rubber industry, was selected for toxicology and carcinogenesis studies because at the time of nomination (1976) it had a large annual production and widespread human exposure. Additional reasons for selection included it structural similarity and possible metabolism to ...

Get Price
rubber antioxidant t d n-pheny1-2-naphthylamine | supply ...

rubber antioxidant t d n-pheny1-2-naphthylamine | Supply ...

Rubber Antioxidant A by Henan Kailun Chemicals Co., Ltd. Supplier from China. Product Id . Rubber antioxidant d(PBN) Chemical name: N-phenyl-2-naphthylamine Molecular Formula: C16H13N Molecular Weight: 219.28 CAS NO.:135-88-6 EINECS NO.: 205-223-9 Specification ï¼?

Get Price
quantification of n-phenyl-2-naphthylamine by gas ... - springer

Quantification of N-phenyl-2-naphthylamine by gas ... - Springer

N-Phenyl-2-naphthylamine (P2NA) is an antioxidant used to protect rubbers from flex-cracking. P2NA can be converted in vivo to 2NA, one of the most potent bladder carcinogens. Here, we report the specific and ultra-sensitive quantification of P2NA in the receptor fluid of Franz diffusion cells by gas chromatography and isotope-dilution tandem-mass spectroscopy (GC–MS/MS). The experimental ...

Get Price
rubber antioxidant d antioxidant pbn n phenyl 2 naphthylamine

rubber antioxidant d antioxidant pbn n phenyl 2 naphthylamine

Metabolic dephenylation of the rubber antioxidant N-phenyl-2-naphthylamine to carcinogenic 2-naphthylamine in rats - PubMedN-Phenyl-2-naphthylamine (P2NA) was widely used as oxidation inhibitor, particularly in rubber manufacturing. Technical-grade P2NA was contaminated with carcinogenic 2-naphthylamine (2NA), and bladder cancer risk in exposed workers was attributed to this impurity ...

Get Price
ntp toxicology and carcinogenesis studies of n-phenyl-2 ...

NTP Toxicology and Carcinogenesis Studies of N-Phenyl-2 ...

N-Phenyl- 2- naphthylamine, formerly used as a antioxidant in the rubber industry, was selected for toxicology and carcinogenesis studies because at the time of nomination (1976) it had a large annual production and widespread human exposure. Additional reasons for selection included it structural s …

Get Price
metabolic dephenylation of the rubber antioxidant n-phenyl-2 ...

Metabolic dephenylation of the rubber antioxidant N-phenyl-2 ...

Chemoprevention of 2-amino-1-methyl-6-phenylimidazo- [4,5-b]pyridine-induced colon carcinogenesis by 1-O-hexyl-2,3,5-trimethylhydroquinone after initiation with 1,2-dimethylhydrazine in F344 rats 2002 •

Get Price
best price in india for industrial production n-phenyl-2 ...

best price in india for industrial production n-phenyl-2 ...

Best price in India for Industrial Production N-phenyl-2-naphthylamine Rubber Antioxidant PBN Dalian Richon Chem Co., Ltd. US $2350-$2700 / Kilogram Get Price N-Phenyl-alpha-naphthylamine | 90-30-2 suppliers

Get Price
n-phenyl-1-naphthylamine | c16h13n | cid 7013 - pubchem

N-Phenyl-1-naphthylamine | C16H13N | CID 7013 - PubChem

N-Phenyl-1-naphthylamine is used as an antioxidant in gear, hydraulic, lubrication, and bearing oils and as a protective agent and antioxidant in rubbers and rubber mixtures. International Programme on Chemical Safety's Concise International Chemical Assessment Documents. Number 9: N-Phenyl-1-naphthylamine (1998).

Get Price
n-(1,3-dimethylbutyl)-n´-phenyl-1,4-phenylenediamine cas n ...

N-(1,3-Dimethylbutyl)-N´-phenyl-1,4-phenylenediamine CAS N ...

OECD SIDS N-(1,3-DIMETHYLBUTYL)-N´-PHENYL-1,4-PHENYLENEDIAMINE 6 UNEP PUBLICATIONS SIDS Initial Assessment Report 1 IDENTITY 1.1 Identification of the Substance CAS Number: 793-24-8 IUPAC Name: N-(1,3-Dimethylbutyl)-N´-phenyl-1,4-phenylenediamine Molecular Formula: C18H24N2 Structural Formula: Molecular Weight: 268.5 g/mol

Get Price
2-naphthylamine 1. exposure data - iarc

2-NAPHTHYLAMINE 1. Exposure Data - IARC

2-NA has been detected in rubber antioxidants such as Nonox S and Agerite Resin at levels of 0.25% [2500 ppm] (Veys, 2004). N-phenyl-2-naphthylamine, also a rubber antioxidant, can be contaminated with 2-NA, and can also be metabolized (dephenylated) into 2-NA to some extent.

Get Price
rubber antioxidants and their transformation products ...

Rubber Antioxidants and Their Transformation Products ...

countries producing rubber antioxidants, and the production accounts for more than 70% of the total amount globally. The production of rubber antioxidants in China ranged from 365,000 to 378,000 tons during 2016–2020, showing a constant annual trend [12]. Amine antioxidants are the main rubber antioxidants produced and used in China, of which ...

Get Price
2-naphthylamine - wikipedia

2-Naphthylamine - Wikipedia

2-Naphthylamine is one of two isomeric aminonaphthalenes, compounds with the formula C 10 H 7 NH 2. It is a colorless solid, but samples take on a reddish color in air because of oxidation. It is a colorless solid, but samples take on a reddish color in air because of oxidation.

Get Price
rubber antioxidant n-phenyl-2-naphthylaminepbn d for ...

rubber antioxidant n-phenyl-2-naphthylaminepbn d for ...

Rubber Antioxidant N-phenyl-2-naphthylamine(pbn/ D) For Producing Rubber And Tyre , Find Complete Details about Rubber Antioxidant N-phenyl-2-naphthylamine(pbn/ D) For Producing Rubber And Tyre,Rubber Antioxidant D,Rubber Additive Pbn(d),Rubber Chemical Pbn(d) from Rubber Auxiliary Agents Supplier or Manufacturer-Zhengzhou Double Vigour ...

Get Price
rubber antioxidant n-phenyl-2-naphthylamine(pbn/ d) for ...

rubber antioxidant n-phenyl-2-naphthylamine(pbn/ d) for ...

rubber antioxidant n-phenyl-2-naphthylamine(pbn/ d) for producing rubber and tyre offers 1,983 water accelerator products. About 25% of these are rubber auxiliary agents, 20% are plastic auxiliary agents, and 20% are leather auxiliary agents.

Get Price
2-naphthalenamine, n-phenyl- - nist chemistry webbook

2-Naphthalenamine, N-phenyl- - NIST Chemistry WebBook

solution (10% cs2 for 3800-460 cm-1); dow kbr foreprism-grating; digitized by coblentz society (batch i) from hard copy; 2 cm-1 resolution UV/Visible spectrum Go To: Top , Condensed phase thermochemistry data , Phase change data , Gas phase ion energetics data , IR Spectrum , References , Notes

Get Price
intermediates chemicals | manufacturer from surat

Intermediates Chemicals | Manufacturer from Surat

Intermediates Chemicals. We are an eminent manufacturer, supplier, trader and exporter of a wide array of Dyes Intermediates. Our experts employ top grade raw material and modernized machinery to formulate the products. These products are widely reckoned for their accurate composition, high adhesion, chemical resistance and long shelf life.

Get Price
rubber antioxidant a

Rubber Antioxidant a

Technical Data Sheet STAIR Rubber Antioxidant A(PAN) Chemical name: N-phenyl-1-naphthylamine Molecular Formula:C 16 H 13 N Chemical Structure: Molecular Weight: 219.28 CAS NO: 90-30-2 Specificatio...

Get Price
n-phenyl-2-naphthylamine | 135-88-6 | smolecule

N-Phenyl-2-naphthylamine | 135-88-6 | smolecule

Buy N-Phenyl-2-naphthylamine, CAS No. 135-88-6 from Smolecule. Molecular Formula: C16H13NC10H7NHC6H5C16H13N. Molecular Weight: 219.28 g/mol. IntroductionN-Phenyl-2-naphthylamine, also known as NPN or ANTIOXIDANT D, is a chemical compound used as an antioxidant in various industries, including polymer production, rubber manufacturing, and ...

Get Price
antioxidant pan (a) / n-phenyl-1-naphthylamine (npn) cas 90-30-2

Antioxidant Pan (A) / N-Phenyl-1-Naphthylamine (NPN) CAS 90-30-2

Technical Data Sheet STAIR Rubber Antioxidant A(PAN) Chemical name: N-phenyl-1-naphthylamine Molecular Formula:C 16 H 13 N Chemical Structure: Molecular Weight: 219.28 CAS NO: 90-30-2 Specification...

Get Price
dephenylation of the rubber chemical n-phenyl-2-naphthylamine ...

Dephenylation of the Rubber Chemical N-Phenyl-2-Naphthylamine ...

The amounts of 2-naphthylamine found in the urine of different species including humans after exposure to PBNA indicate unequivocally that PBNA is dephenylated to some extent, and explains the lack of direct evidence of carcinogenicity of PBNA in both experimental and epidemiological studies. N-Phenyl-2-naphthylamine (PBNA) represents an example of a suspected carcinogen that is found negative ...

Get Price
antioxidant n-phenyl-1-naphthylamine a pan for producing ...

antioxidant n-phenyl-1-naphthylamine a pan for producing ...

N-Phenyl-1-naphthylamine | C16H13N - PubChem. N-Phenyl-1-naphthylamine's production and use as an antioxidant in various lubrication oils and as both a protective agent and antioxidant in rubber and rubber mixtures for various products, including tires, may result in its release to the environment thorugh various waste streams.

Get Price
metabolic dephenylation of the rubber antioxidant n-phenyl ...

metabolic dephenylation of the rubber antioxidant n-phenyl ...

Metabolic dephenylation of the rubber antioxidant N-phenyl. Metabolic dephenylation of the rubber antioxidant N-phenyl-2-naphthylamine to carcinogenic 2-naphthylamine in rats By Tobias Wei\udf, Hermann M. Bolt, Gerhard Schl\ufcter, Stephan Koslitz, Dirk Taeger, Peter Welge and Thomas Br\ufcning

Get Price
n-phenyl-2-naphthylamine | cameo chemicals | noaa

N-PHENYL-2-NAPHTHYLAMINE | CAMEO Chemicals | NOAA

N-PHENYL-2-NAPHTHYLAMINE may react with strong oxidizing agents (NTP, 1992). Neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong ...

Get Price