Amino Silane Coupling Agent Si-69

Amino Silane Coupling Agent Si-69

Amino silane coupling agent si-69 Chemical Name: Bis [3-(triethoxysilyl) propyl] tetrasulfide Formula:(C2H5O)3SiCH2CH2CH2-S4-CH2CH2CH2Si(OC2H5)3 Physical Properties: A pale yellow clear liquid with light odor of ethyl alcohol and soluble easily in ethyl alcohol, acetone, benzene, toluene etc....
PRODUCT DETAILS

Amino silane coupling agent si-69


Chemical Name: Bis [3-(triethoxysilyl) propyl] tetrasulfide
Formula:(C2H5O)3SiCH2CH2CH2-S4-CH2CH2CH2Si(OC2H5)3
Physical Properties: A pale yellow clear liquid with light odor of ethyl alcohol and soluble easily in ethyl alcohol, acetone, benzene, toluene etc. Insoluble in water.

Properties

Units

Target Values(Spec,Limits)

Alcohol content

%(wt)

≤0.5%

CLPTES Content

%(Wt)

≤3.0%

Other impurity content

%(Wt)

≤1.0%

Viscosity 25°C (cps)

Cps

≤14.0

Sulfur Content


22.5(21.7-23.3)

Average chain Length

%(wt)

3.70(3.55-3.85)

S2 content


18.0(15.0-21.0)

S3 content

%(rel.wt)

30.0(27.0-33.0)

S4 content

%(rel.wt)

24.0(21.0-27.0)

S5 to S8 content

%(rel.wt)

27.0(24.0-30.0)

Volatility (100°C /10min.)


≤ 1.0%

Specific Gravity (25°C)


1.080 ± 0.020

Refractive Index (25°C)


1.480 ± 0.020

CLPTES : g-chloropropyltriethoxy silane.


Application:
Si-69 is a kind of multifunctional silane coupling agent that has been used successfully in the rubber industry. It is used to improve physical and mechanical properties of vulcanizates. It is able to markedly improve tensile strength, tearing strength and abrasive resistance and reduce compression set of vulcanizates. In addition, it can reduce the viscosity and improve the processability of rubber products.
Si-69 is especially suitable to improve the reinforcing properties of fillers that contain hydroxyl groups in all unsaturated polymers having double bonds or their blends. Silica, talc powder, mica powder and clay can be used in combination with TSi-669 in polymers such as NR, IR, SBR, BR, NBR and EPDM. Recommend dosage 1.0-4.0 PHR

Packaging Details :  200kg, 1000 kg in plastic drum

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