DEVELOPMENT OF PROCESSES TO PRODUCE EMULSION POLYMERIZATION RUBBERS AND LATICES
| Polymers | Advantages, applications |
|---|
1. Up-to-date emulsion SBR technology |
|---|
| 1.1. Conventional grades |
|---|
| Grade | Styrene content, % |
|---|
| SKS-30ÀRÊ | 22-25 |
| SKS-30ÀRÊPN | 22-25 |
| SKS-30ÀRÊÌ-27 | 22-25 |
| SKS-40ÀRÊÌ-27 | 40-45 |
| SKS(-ÌS)-10RÊP | 8-10 |
| General-purpose rubbers for tyres, mechanical rubber goods |
| 1.2. Modified styrene-butadiene rubbers | Tyre rubbers with higher wear resistance and low hysteresis loss, also used for green tyre |
|---|
| Rezilast (modifiers: acrylonitrile, methyl metacrylate) |
| SBRs modified with hydroxyl groups |
2. Up-to-date nitrile-butadiene rubber(NBR) technology |
|---|
| 2.1. Conventional grades |
|---|
| Grade | ACN content, % |
|---|
| SKN-15 | 14-17 |
| SKN-18 | 17-20 |
| SKN-26 | 24-27 |
| SKN-33 | 33-34 |
| SKN-33PVC-30 | 33-34 |
| SKN-40 | 37-40 |
| SKN-50 | 47-51 |
| General-purpose mechanical rubber goods |
| 2.2. Carboxylated NBRs |
|---|
| Grade | Content |
|---|
| ACN, % | MMA, % |
|---|
| SKN-10-5 | 8-11 | 4-5,5 |
| SKN-26-1,25 | 24-27 | 1,0-1,5 |
| SKN-26-5 | 27-30 | 4,0-6,0 |
| SKN-40-3 | 37-41 | 2,5-3,5 |
SKN-26-30-1
(styrene 23-27%) | 24-27 | 2,0-3,0 |
| Mechanical rubber goods and specialty composite materials |
3. Chemicals-additives for emulsion SBRs and NBRs |
|---|
| Polyamine coagulants | For salt-free recovery |
| Phenylenediamine antioxidants | High-efficient with good processing characteristics |
| Antioxidant of sterically hindered phenol type |
| Polymerization initiators based on hydrogenated terpenes | Original synthesis method, high conversion |
| Emulsifiers based on synthetic and natural acids | Produced in a convenient form |
4. Latices |
|---|
| A range of high-carboxylate latices | Used in the production of leather and carpet products, asbestos paper, industrial asbestos goods, artificial fur |
| A range of low-emulsifier latices |
| Acryl-containing latices | Substitutes for pyridine-containing latex in rubber-cord systems based on general-purpose rubbers |
| New latex adhesives |
| Development of latex formulations for road paving | Road building |
| Trielast rubber – butadiene, styrene (methylstyrene) and isoprene terpolymer | A substitute for the combination of SKD, SBR, and SKI rubbers in tires |
DEVELOPMENT OF PROCESSES TO PRODUCE SOLUTION POLYMERIZATION POLYMERS
| Polymers | Advantages, applications |
|---|
| Low-molecular polymers | Coating industry, anticorrosive coatings and waterproofing mastics |
| A range of styrene-butadiene rubbers with higher styrene content (40-60%) | Footwear industry |
| A range of styrene-butadiene rubbers made using an original catalytic system to control microstructure | Tires made of this rubber meet state-of-the-art green tire requirements |
| Thermoplastic elastomers combining rubber and plastic properties are block copolymers based on styrene, alpha-methylstyrene, butadiene and isoprene | Widely used to make shoe sole compositions, disposable syringes, cable insulation compositions, mastics, sealants, for modification of bitumen for road building and roofing, plastic modification |
DEVELOPMENT OF A RANGE OG CHEMICAL ADDITIVES
| Products | Applications |
|---|
| Butyllithium (n-LiBu) | Catalysts to produce anionic polymers |
| Ethyllithium, soluble |
| Butethyllithium |
| Sodium lapramolate | Modifiers for lithium catalysts |
| Modifier N1, N2, N3 |
