Knowledge-Henan Xuannuo Chemical Co., Ltd

02-17
2024

Rubber tire antioxidant selection criteria

In general, phenolic antioxidants are usually non-discoloring, while amine antioxidants are discoloring. For rubber elastomers containing carbon black, more effective are amine antioxidants

02-06
2024

Classification of petroleum resins

Petroleum resin is a kind of thermoplastic resin, which is a mixture of polymer molecules with different molecular weights of the ethyl fraction, and it is not a hazardous material

02-06
2024

Synthesis, application and association of four p-phenylenediamine antioxidants

This paper describes four p-phenylenediamine antioxidants, namely antioxidants 6PPD, 7PPD, 77PD and EPPD. their basic properties, synthesis methods and scope of use in rubber products are summarized

02-03
2024

Rubber additives which can change crystallization

Rubber additives are a class of additives used to improve the performance of rubber products. Although there are many kinds of rubber additives, here I mainly introduce several kinds of rubber additives

01-31
2024

Tire production process of the four major processes and processing flowchart

but how tires are produced may not be clear to many people. Tire production process is very complex, cross many disciplines, such as polymer, mechanical, electronic, chemical, physical

01-29
2024

Rubber auxiliary CBS production wastewater treatment project example

Rubber auxiliary CBS is a kind of vulcanization accelerator, which is often produced by the reaction between accelerator 2-mercaptobenzothiazole (hereinafter referred to as M) and cyclohexylamine as raw materials under

01-26
2024

Rubber formulation design principles

such as accelerator D can enhance the protective function of the antioxidant MB, and peroxide in the vulcanization temperature is very easy to be consumed with the reaction of active hydrogen-containing substances

01-26
2024

Composition of rubber formulations

Including vulcanizing agent, accelerator and active agent. Vulcanizing agents such as sulfur yellow, peroxide, sulfur yellow to the body, etc., in the formulation of the function is to make the rubber macromolecules cros

01-23
2024

The relationship between rubber and sulfur

The vulcanizing agents used in the rubber industry are sulphur powder, insoluble sulphur, colloidal sulphur, precipitated sulphur, sublimated sulphur

01-18
2024

Rubber color mixing method and basic coordination

Rubber colorant (also called masterbatch): It is made from natural or synthetic rubber by adding the right amount of color powder and some additives to form the required color