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Curing Resin

Alkyl phenol disulfide

Tackifying Resin

Reinforcing Resin

Co-Crosslinking Agent

Curing adhesion promoter

OF-1055

Brominated p-tert-Octyl Phenolic Curing Resin(OF-1055)



Description

OF-1055 resin is a brominated p-tert-octylphenol formaldehyde heat reactive resin. The clotting of OF-1055 is decreased during transit and storage because of higher softening point.

OF-1055 resin is made on a large scale, resulting in slight quality difference between batches.

OF-1055 is safe in use, with a faint halogen odor. It is soluble in toluene, xylene, acetone etc.

Specification

Item Index
Bromine Content , % 3.8~4.2
Methylol Content , % 9.5~13.0
Softening Point(Ball and ring), ℃ 85~95

Application

OF-1055 is a curing agent for the rubber of low unsaturation value especially IIR and EPDM. OF-1055 resin easily disperses and operates, giving faster sulfurizing speed, no need of activator, simple composition, and good scorch safety.

OF-1055 resin is used for bladders, bottle stopper, seals, heat-resistant gasket, roll, pressure sensitive adhesives. The recommended dosage is 1.5~8 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each; Up to buyer's requirement. Store indoor, drying and ventilating.

OF-1045

Octyl-phenolic Curing Resin(OF-1045)



Description

OF-1045 is a heat-reactive p-tert-octylphenol formaldehyde resin with hydroxymethyl active groups.

OF-1045 is used for IIR, EPDM, NBR, CR and NR. It is soluble in aromatic hydrocarbon.

Specification

Item Index
Appearance light yellow-green transparent lump/slice
Softening Point(Ball and ring), ℃ 85~95
Methylol content, % 10.0~14.0
Ultraviolet Absorbance (450nm), ≤ % 1.5
Ultraviolet Absorbance (260~280nm),≤ % 0.1

Application

OF-1045 is used for tire, pharmaceutical bottle plug, paint, adhesive, roll etc.

OF-1045 is to be used with CR (5~10%of rubber) or metal chloride (2~5%of rubber) as activator. When OF-1045 is mixed with OF-1055, activator is not needed. The recommended dosage of OF-1045 is 8~12 phr.


Package and Storage

In paper/plastic combined sacks with inner film bag, 25 kg net each; Up to buyer's requirement. Keep in indoor, drying and ventilating.

OF-1056

High Brominated p-tert-Octyl Phenolic Curing Resin

(OF-1056)

Description

OF-1056 is a fine brominated p-tert-octylphenol formaldehyde heat reactive resin. The clotting is decreased during transit and storage because of higher softening point. The resin can provide the products with excellent mechanical properties.

It is soluble in aromatic, such as toluene, xylene etc.

Specification

Item Index
Appearance yellow to red-brown transparent slice/lump
Softening Point,(Ball and ring),℃ 80~90
Methylol Content, % 9~13
Bromine Content, % 6.0 ~7.5

Application

OF-1056 is the fastest vulcanizing resin for unsaturated rubber, easily disperses and operates, giving the sulfurizing speed even faster than OF-1055 due to higher bromine content, no need of activator, simple composition, and good scorch safety.

OF-1056 resin is used for pressure sensitive adhesives, bladders, tire mould, bottle stopper, seals, heat-resistant gasket, roll etc.

The recommended dosage is 1~8 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each; Up to buyer's requirement. Store indoor, drying and ventilating.

OF-7

Alkylphenol Disulfide Vulcanizing agent(OF-7)



Description

Alkylphenol disulfide contains the active sulfur which can vulcanize rubber at heating, and avoid blooming. The vulcanizate has high tensile strength and excellent heat-resistance.

Specification

Item Index
Appearance Light yellow to brown granular
Softening Point (Ball and ring), ℃ 95~115
Sulfur Content, %, 29.5~31.5

Application

OF-7 is a vulcanizing agent of sulfur donor type, used for NR, SR, replacing partly or completely the sulfur donor in semi/full efficient vulcanizing systems. It is used mainly in the tire rubber of inner lining layer, the tire side, the tire tread and triangle etc, also used for gasket, conveyor belts, car rubber hoses, shock absorption products etc. Because of the alkyl phenol groups contained, OF-7 has the viscous and antioxidant effect. Especially in curing the compound of NR, CIIR, BrIIR, IIR and EPDM, it makes synchronous vulcanization, but unlike DTDM, giving no nitrosamines toxic gas, provides high tensile strength and heat aging excellence.

The referenced dosage is 0.5~5 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each; Up to buyer's requirement. Store indoor, drying and ventilating.

OF-710

Alkylphenol Disulfide Vulcanizing agent(OF-710)



Description


Alkylphenol disulfide (APDS) curing agent contains the active sulfur which can vulcanize rubber at heating, no blooming, providing the compound with high tensile strength and excellent heat-resistance.

Specification

Item Index
Appearance Yellow brown to dark brown granular
Softening Point (Ball and ring), ℃ 75~95
Sulfur Content, %, 25~28

Application

OF-710 is a new type of nitrosamine-free sulfur donor, replacing partly or completely sulfur and DTDM in efficient/semi-efficient vulcanizing systems. It is used mainly in the tire rubber of innerlinner, the sidewall and the tread, also used for gasket, conveyor belts, car hoses, shock absorption products etc. Because of the alkyl phenol groups contained, OF-710 has the viscous and antioxidant effect. Especially in curing the compound of NR, CIIR, BrIIR, IIR and EPDM, it makes co-vulcanization, provides high tensile strength, excellent reversion, oxidation and heat aging resistance while giving no nitrosamines toxic gas and non staining.  

The referenced dosage is 0.5~5 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each. Store indoor, drying and ventilating.

OF-203

Octyl-phenolic Tackifying Resin(OF-203)



Description


OF-203 is a thermoplastic alkyl-phenolic resin.It has good compatibility with rubber and good tack retention. It can improve the age-resistance and chemical stability without effecting on physical and chemical properties of sulfurized rubber.

OF-203 resin is granule, for convenient batching and easy dispersing. It is soluble in solvent.

Specification

Item Index
Appearance Light-yellow to light brown granule
Softening Point (Ball and ring), ℃ 85-95
Acid Volume mgKOH/g 55±10
Ash (800±50℃) , %, ≤ 0.5

Application

The OF-203 is an effective tackifier of NR and several SR, widely used for tire, conveyor belt etc. Especially it can increase the rubber glutinosity for radial tire. It improves molding quality as well as the entire product properties to achieve ideal designed results. The reference dosage is 2~5 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each. Keep in indoor, drying and ventilating.

OF-2002

Modified-phenolic reinforcing Resin(OF-2002)



Description

OF-2002 is a thermosetting cashew nut oil modified reinforcing resin, can effectively improve rubber modulus, hardness, abrasion resistance and reduce heat built-up. It can replace non-modified reinforcing resin .

Specification

Item Index
Appearance Brown powder
HMT content, % 7.5±0.5
Fineness, (80mesh) pass

Application

As most thermosetting phenolic resin, OF-2002 happens cross-linking reaction over 150℃, resin become three-dimensional net structure from line structure. When rubber cures, it forms interpenetrating nets with rubber structure, thereby reinforces and hardness rubber, especially, it contains long-chain aliphatic hydrocarbon structure besides methylene bridge, so the brittlement of sulfide is better and crosslinking density is improved greatly, and it also improves rubber modulus, hardness, abrasion resistance. This product is the best resin with hardening effect, and can be used without adding of curing agent.

OF-2002 is used for all kinds of rubber reinforcing, such as bead area of tires, tread, rubber-covered roll, conveyor, triangle belt etc. The reference dosage is 6~15 phr.


Package and Storage

Packed in paper-plastic sack with inner film bag. Net weight is 25kg for each bag. Stored in indoor, drying and ventilating.

OF-268

Co-Crosslinking Agent N,N’-m-phenylene bismaleimide(OF-268)



Description

OF-268 can be used as curing agent especially as co-crosslinking agent, for NR and all kinds of SR.

Chemical name: N, N'-phenylene bismaleimide

Specification

Item Index
Appearance Yellow to brown-yellow powder
Melt Point, ℃, ≥ 193
Weight Loss, %, ≤ 1.0

Application

For NR, OF-268 is applied together with sulfur, to improve the anti-reversion and heat-resistance, reduce the dynamic heat build–up of vulcanizate, increase and retain the adhesive strength of rubber with steel cord. Used as a co-crosslinking agent in SR,in which peroxides act as crosslinking agent, OF-268 can improve crosslink tendency and heat-resistance, prevent scorch of CR. The referenced dosage is 0.5~3 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each. Store indoor, drying and ventilating.

OF-3004

Curing adhesive for rubber - metal(OF-3004)



Description

Chemical Name: TTN; Trithiocyanuric acid monosodium salt.

Molecular Formula: C3H2N3S3Na · xH2O

Molecular Weight:456.6

CAS No.: 41450-97-9

Molecular Weight.: 199.3

OF-3004 is a novel rubber-metal heat curing adhesive, well cooperating with a variety of NR and SR, easy to operate, simple process. Slightly soluble in water, soluble in methanol.

Specification

Item Index
Appearance Light yellow powder
Decomposition temperature ℃≥ ≥270

Application

OF-3004 is a polyfunctional compound containing mercapto groups. In the direct curing adhesion process of rubber- metal, it reacts respectively with the metal and rubber, forms a reinforcing layer at the interface, so as to achieve good adhesive result. OF-3004 is effective for nitrile rubber, hydrogenated nitrile rubber, ethylene propylene rubber, natural rubber, chloroprene rubber, epichlorohydrin rubber, PVC rubber etc. Reference dosage 2-5 phr.

In addition, good synergy can be achieved if OF-3004 is used together with OF-268 (N, N'-m-phenylene bismaleimide). The reference dosage is 1-3 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 20 kg net each. Store indoor, drying and ventilating.

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