1. Chemical Name: N-Cyclohexylthio Phthalimide
Names of similar products at home and abroad: CTP, PVI
2. Molecular Formula: C14H15O2NS
3. Structural Formula
Molecular weight: 261.33
CAS registry number: 17796-82-6
4. Technical Requirements
a. Some indicators of our normally produced products are listed below
Powder | Oil treated powder | Granule | Detection method | |
Appearance (visual observation) | White or light yellow crystalline powder | White or light yellow crystalline powder | White or light yellow granule | Q/SHY003-2008:4.1 |
Initial melting point ℃ ≥ | 89.0 | 89.0 | 89.0 | Q/SHY003-2008:4.2 |
Heating loss % ≤ | 0.30 | 0.40 | 0.30 | Q/SHY003-2008:4.3 |
Ash % ≤ | 0.10 | 0.10 | 0.10 | Q/SHY003-2008:4.4 |
Substance insoluble in toluene % ≤ | 0.50 | 0.50 | 0.50 | Q/SHY003-2008:4.5 |
Oil content % | - | 1.0-2.0 | - | Q/FX001-2008 |
Average particle strength N | - | - | 0.3-1.0 | Q/FX002-2008 |
Max. particle strength N | - | - | 1.5 | Q/FX002-2008 |
Chalking rate (20 mesh) % ≤ | - | - | 3.0 | Q/FX004-2008 |
Executive standard | Q/SHY003-2008 |
b. Customers' special requirements on the product can be met.
c. Foreign matters are completely prevented from mixing with the product.
d. Packaging quality meets the requirements of our company or the customers.
5. Property
CTP is soluble in acetone, benzene, toluene, diethyl ether and ethyl acetate as well as warm carbon tetrachloride, ethanol and heptane. It is slightly soluble in gasoline and insoluble in kerosene and water.
6. Use
CTP can effectively prevent the natural rubber and synthetic rubber from scorching during processing, thus enabling the calendar and extruder to run at high speed and high temperature and improving the production capacity of vulcanizing machine. It can also prevent natural vulcanization of the rubber materials during storage, improving the storage stability. In addition, this product plays a regenerative restoration role for the rubber materials which have been subjected to high heat or which have the risk of scorch.
7. Packaging
Woven bag lined with plastic bag, orkraft paper bag; 20 or 25 kg/bag; or as per customer requirements
Related Names
Scorch Retarder Manufacturer | Rubber Scorching Prevention | Vulcanization Activator