The Effectiveness of Cardanol as Plasticiser, Activator, and
The merits of cardanol as plasticiser, activator, and antioxidant for natural rubber processing are compared with those of a conventional plasticiser (aromatic oil), coactivator (stearic...
The Effectiveness of Cardanol as Plasticiser, Activator, and
Cardanol is the main ingredient of cashew nut shell liquid (CNSL), an agro-byproduct. The merits of cardanol as plasticiser, activator, and antioxidant for natural rubber processing are compared with those of a conventional plasticiser (aromatic oil), coactivator (stearic acid), and antioxidants (styrenated phenol (SP) and trimethyl quinoline
The Effectiveness of Cardanol as Plasticiser, Activator, and
The merits of cardanol as plasticiser, activator, and antioxidant for natural rubber processing are compared with those of a conventional plasticiser (aromatic oil), coactivator (stearic acid), and antioxidants (styrenated phenol (SP) and trimethyl quinoline (TQ)).
Antioxidants
Irganox 1135 Part of primary antioxidants, are aromatic amines, mainly used in carbon-black filled rubbers and some polyurethane applications. Irganox 5057 is such an aromatic amine for polyol and rubber stabilization. Secondary antioxidants, including phosphites and thioesters, react with hydroperoxides to yield non-radical products.
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- How does rubber antioxidant work?
- To prolong the service life of rubber composites by retarding their aging processes, rubber antioxidant initially relies on the use of a coating, such as paraffin, and coal tar, to physically isolate oxygen, but this protective layer would quickly lose the utility due to wear.
- Why do we need antioxidants for rubber composites?
- Therefore, for a real application, the antioxidants are indispensable to retard the thermal-oxidative-aging process of the rubber composites and then prolong the service life. In this review, we systematically review the recent progress of antioxidants for rubber.
- What are the future trends of rubber antioxidants?
- The perspectives on the future trends of rubber antioxidants have been presented. Elastomers, especially diene-rubbers containing unsaturated double carbon bonds in the main chains, are vulnerable to thermal/oxygen aging, which would make the elastomers less elastic and result in earlier failure of the elastomer products.
- Are rubber antioxidants harmful?
- As shown in Table 1, many commonly used rubber antioxidants are damaging to human health and the environment. For example, the antioxidant MB (2-mercaptobenzimidazole), which is widely used in the manufacture of light-colored rubber products, is harmful to aquatic organisms and has a continuous effect.
- Who are MBTs plastic & rubber chemicals?
- MBT. MBTS Plastic, Rubber Chemicals (Kimia Plastic & Rubber) suppliers and producer which we stock and distribute. Plasticiser, Stabiliser, Antioxidant and Processing Aid
- Which antioxidants are used in rubber vulcanization?
- The amine and phenolic antioxidants are the most widely used rubber antioxidants (Fig. 1b and c). Generally, the phenolic antioxidants have poor antioxidative efficiency (compared to amine antioxidants) and they can delay vulcanization, but they cause little discoloration problems.
