Rubber Curing Systems

A prediction method for rubber curing process 153 2.

Rubber curing systems.

The compounding of additives was carried out in a laboratory kneading machine brabender. Curing is a chemical process employed in polymer chemistry and process engineering that produces the toughening or hardening of a polymer material by cross linking of polymer chains. The term originally referred exclusively to the treatment of natural rubber with sulfur which remains the most common practice. To read the article of this research you can request a copy directly from the author.

Vulcanisation refers to a range of processes for hardening rubbers. His process heating rubber with sulfur was first successfully used in springfield massachusetts in 1841. Charles goodyear has been credited for the earliest method of crosslinking. Two types of curing systems were examined.

First the rubber was plasticated for 2 min at 80 c and 55 rpm then the components of curing system were added and rubber compounds were compounded for next for 4 min at 80 c and 55 rpm. Crosslinking or curing i e forming covalent hydrogen or other bonds between polymer molecules is a technique used very widely to alter polymer properties. Even if it is strongly associated with the production of thermosetting polymers the term curing can be used for all the processes where starting from a liquid solution a solid product is obtained. This review discusses the different types of curing systems available today for different rubber types including natural rubber sbr nbr br iir cr xiir and epdm.

Experimental methods the most typical curing agent is sulfur and another type of the agent is peroxide e g. Is an equipment manufacturer of rubber machinery for vulcanizing curing microwaves flocking cooling and material handling. However it has also grown to include the hardening of other synthetic rubbers via various means examples include silicone rubber via room temperature vulcanizing and. Rubber curing systems 3.

One is the styrene butadiene rubber with. The uses of primary and secondary accelerators prevulcanisation inhibitors pvis and antireversion chemicals are outlined typical rubber formulations for applications in industrial rubber products and tyres are given. Rubber curing systems 1 introduction crosslinking or curing i e forming covalent hydrogen or other bonds between polymer molecules is a technique used very widely to alter polymer properties. Preparation and curing of rubber compounds.

The first commercial method of crosslinking has been attributed to charles goodyear.