Antidegradant

06/04/15 Productgroup Description

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Antidegradants

Non-staining antioxidants

Protection against oxygen, heat and unorientated crack formation (crazing). To some extenteffective against fatigue and poisoning by heavy metals. Staining absent or minimal. No contactstaining. For white, light-colored or transparent goods, e.g. dipped articles, fabric proofings,technical rubber and latex goods. Vulkanox BHT suitable for rubber goods produced by thesolution dipping process.

Product Chemical compositionInternationalabbreviation

Density

(g/cm3)

Initialmelting

point(C)

SupplyForm

Additionalinformation

Vulkanox BHT 2,6-di-tert-butyl-4-methylphenol BHT 1.0

solidification

point approx.

69

11

This product is marketed

by the Basic and Fine

Chemicals Business

Group, Bayer AG

Vulkanox BKF2,2'-methylene-bis- 4-methyl-6-

tert.-butylphenol)BPH 1.0 min. 124 2

This product is marketed

by the Basic and Fine

Chemicals Business

Group, Bayer AG

Vulkanox DS/F

mixture of alkyl and aralkyl-

substituted phenols, solidified

with inorganic fi l ler

- 1.3 - 2

Vulkanox DSmixture of alkyl and aralkyl-

substituted phenols- 0.9 - 1

VulkanoxMB 2 /MGC

4- and 5-methyl-2-

mercaptobenzimidazoleMMBI 1.3

approx. 290,

with

decomposition

8

Used mainly for heat-

resistant thiuram-cured

goods. Synergist with

other antioxidants.

VulkanoxMB 2 /MG

4- and 5-methyl- 2-

mercaptobenzimidazoleMMBI 1.3

approx. 290,

with

decomposition

7

Used mainly for heat-

resistant thiuram-cured

goods. Synergist with

other antioxidants.

Vulkanox MB/MG 2-mercaptobenzimidazole MBI 1.4

approx. 290,

with

decomposition

7

Used mainly for heat-

resistant thiuram-cured

goods. Synergist with

other antioxidants.

Vulkanox SKFsterically hindered polynuclear

phenol - 1.1 min. 105 2

This product is marketed

by Bayer International

SA, CH-1701 Fribourg,

Switzerland.

Vulkanox SP mixture of styrenated phenols SPH 1.1 - 1

VulkanoxZMB 2 /C5

zinc-4- and -5-methyl- 2-

mercapto-benzimidazoleZMMBI 1.5

approx. 300,

with

decomposition

3

Used mainly for heat-

resistant thiuram-cured

goods. Synergist with

other antioxidants.

Non-staining antiozonants

Antiozonants for light-colored and black-containing vulcanizates which must not stain throughcontact.

Product

Chemicalcomposition

Internationalabbreviation

Density

(g/cm3)

Initial meltingpoint(C)

SupplyForm

Additionalinformation

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VulkazonAFD

enol ether - 1.0 - 1

VulkazonAFS/LG

cyclic acetal - 1.1 min. 85 6

Staining antioxidants with antiozonant effects

Outstanding protection against dynamic stress, oxidation, heat, ozone and rubber poisons; theseantioxidants cause severe staining. For car, truck and earthmover tires, technical goods subjected to dynamic stress, cable sheathingand insulation, inner tubes and roll covers.

ProductChemical

compositionInternationalabbreviation

Density

(g/cm3)

Initialmelting

point(C)

SupplyForm

Additionalinformation

Vulkanox 3100mixture of diaryl-p-

phenylenediaminesDTPD 1.2 min. 95 10

Vulkanox 4010 NA/LGN-isopropyl-N'-phenyl-p-

phenylenediamineIPPD 1.1 min. 76 6

Vulkanox 4020 liquid

N-(1,3-dimethylbutyl)-N'-

phenyl-p-

phenylenediamine

6PPD 1.0

solidification

point min.

45

1

Product is also used for

stabil ization in E-SBR

production.

Vulkanox 4020/LG

N-(1,3-dimethylbutyl)-N'-

phenyl-p-

phenylenediamine

6PPD 1.0 min. 45 6

Product is also used for

stabil ization in E-SBR

production.

Vulkanox 4030

N,N'-bis-(1,4-

dimethylpentyl)-p-

phenylenediamine

77PD 0.9 - 1

Vulkanox DPPDN,N'-diphenyl-p-

phenylenediamineDPPD 1.2 min. 135 10

Staining antioxidants without antiozonant effects

Very good protection against oxidation and heat, and good protection from rubber poisons; staining effects range from medium to relatively weak. Used in combination with p-phenylenediamines for heavily stressed technical goods.

ProductChemical

compositionInternationalabbreviation

Density

(g/cm3)

Softeningpoint(C)

SupplyForm

Additional information

Vulkanox HS/LG

2,2,4-trimethyl-1,2-

dihydroquinoline,

polymerized

TMQ 1.1 85 - 95 6

Product is marketed by Bayer

International SA, CH-1701

Fribourg, Switzerland.