Pre-dispersion production of rubber additives
1. Production process At room temperature, add the rubber mixture to the internal mixer for internal mixing. The internal temperature of the internal mixer was 65-75°C. After a period of internal stirring, the base rubber is obtained. At this point, the accelerators and auxiliary materials are added, followed by internal mixing for 5-10 minutes. After […]
Production Status of Rubber Additives
1. Domestic production status of rubber additives In the past 10 years, my country’s rubber additives have developed rapidly, and the degree of intensification of enterprises and product concentration has increased significantly. Affected by multiple factors such as industrial structure adjustment, safety and environmental protection, some rubber additives enterprises showing a shrinking trend. In recent […]
Compatibility of rubber additives with polymers
For those who are not engaged in the chemical industry, many aspects of chemistry may be unknown to us. If we do not understand rubber additives and polymers, then we will not know the relationship between them. Rubber auxiliaries play an important role in the development of industry. In order to improve the quality of […]
Development Trend of Rubber Auxiliary Masterbatch
Pre-dispersion of rubber additives has been proposed in the 1940s. Industrial production began in the 1980s, and large-scale industrial production began in the mid-1990s. After 2003, it was gradually recognized by everyone. At that time, there were only a few foreign-owned factories in the country. After 2008, domestic factories started to start and gradually increased. […]
Rubber vulcanizing agent
Rubber additives have many different kinds, the role is also complex, the current international use of a total of more than 3000 kinds. According to their nature, can be classified as the following categories: curing agent, accelerator, active agent, reinforcing filler, plasticizer, antioxidant, coloring agent, and latex special additives and other special purpose additives. One curing […]
What are the factors that affect the aging of the rubber additives?
Rubber additives in the storage and use of the process often appear sticky, harden crisp or crack and other aging phenomenon, causing this problem, mainly in the following categories: 1. Oxygen: Oxygen will react with the rubber molecules in the rubber additives to cause the molecular chain to break or over-crosslink, so that its performance […]
How to add rubber additives
Although rubber additives have many types, but the added ways are mostly the same, and there are two main ways: One is the impact of dosing: the general is to reverse osmosis pressure to 0.3Mpa below, the use of drugs should be completed in 2-4 hours. The reason why this will be used, mainly due […]
The Problems of Domestic Rubber Additives
1.Additives product structure and variety structure is irrational, uneven quality. For example, in order to meet the requirements of high temperature, fast and efficient rubber processing technology, a large amount of efficient sulfonamide accelerators have been used abroad (the amount of which has reached 55% of the total market of accelerators), easy to prepare, low-tech […]
Three standard development plan of rubber additives released
Recently, the Ministry announced the third batch of 2016 industry standard revision plan. Among them, rubber and rubber products – chemical additives in the field three criteria are recommended for the development of the project. It is understood that the announced three standard industry are: curing agent 1,1 two ‘- thiobis caprolactam (CLD) standard, accelerator […]
Important country activities influence rubber additives market from April
Some important country activities influence rubber additives market: 1.2017 April will start 15 provincial environmental protection supervision. 2017 will complete environmental supervision and complete all provinces coverage: will inspect 15 provinces and cities in April including shandong, shanxi, tianjin, anhui, zhejiang, fujian, Shanghai, sichuan, hainan, hunan, guizhou, hainan, xinjiang, liaoning and jilin. 2.2017 April will […]