Rubber Compounding Ingredients Pdf

Sudha p deputy director ridt rubber training institute department of training rubber board kottayam 686 009.

Rubber compounding ingredients pdf.

Elastomer is the key ingredient and thus always at the top of the formulation list. Butyl rubber iir is a specialty rubber that is used in inner tubes because of its low gas permeability. These are starting point rubber compounding formulations for providing guide lines only and should be confirmed by laboratory trials. It is expected that modifications may be necessary to produce satisfactory commercial products.

Dr jakub kadlcak manager material development automotive october 2nd 2016 rubber compoundingformulation of rubber compounds dr jakub kadlcak manager material development automotive. Even natural rubber can have its very good physical traits enhanced by putting in other ingredients in the mixture. Compound it is a homogenous mixture of ingredients used in a particular product manufacture such that the properties of most of the ingredients are unchanged in the final product whereby. Ingredients in rubber compound is a large group of components including curing agents accelerators and vulcanization activators antioxidants plasticizers fillers and special additives blowing agents dyes etc.

Not only can we improve an elastomer s physical strengths by compounding other ingredients into the mixture of elastomer and sulfur but also we can improve other characteristics and even create some that do not naturally occur. Academia edu is a platform for academics to share research papers. Compounding it is the science of selecting and combining polymers and additives to obtain physical and chemical properties for a finished products. They are elastomer as a major component curatives for crosslink formation antidegradants for protection fillers for reinforcement and cost dilution and processing additives for ease of processing.

The list of ingredients in phr parts per hundred rubber called rubber compound recipe. Butadiene acrylonitrile rubber nbr distinguishes itself from nr and sbr in its good resistance against non polar substances like gasoline diesel fuel oils and fats good ageing resistance and good resistance to chemicals. Rubber compounding the concentrated latex is first blended with the various additives as required for different applications.