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Polymerics Articles & Resources

Effect of Different Nitrile Elastomers in Down Hole Drilling Applications

This paper discusses the use of rubber products in oilfield drilling applications and the analysis of their possible failure modes. Background information on the actual rubber products and their expected environment and service conditions is also presented. The effect of different nitrile butadiene rubber (NBR), hydrogenated nitrile butadiene rubber (HNBR), and carboxylated nitrile butadiene (XNBR), were evaluated in a down hole packer application. The effect of acrylonitrile content (% ACN) level within the elastomers was evaluated as well.

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Color Matching

Polymerics Inc. offers state of the art color matching for the most stringent of applications. Using an X-Rite Ci 4200 colorimeter, color compounds can be formulated to within 1 DE* of a color standard.

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The Custom Mixers’ Custom Mixer

Polymerics Inc. has a state of the art Research and Development department that has been serving the rubber industry for over 45 years. We provide laboratory mixing, technical expertise, and a variety of rubber testing for both potential and current customers. We also have a large catalog of proprietary formulas. We can also build formulas from scratch or tweak existing compounds to improve product performance, reduce scrap, or to eliminate processing issues.

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Oilfield Packer Polymer Applications

This paper discusses the use of rubber products in oilfield drilling applications and the analysis of their possible failure modes. Background information on the actual rubber products and their expected environment and service conditions is also presented. The effect different polymers, namely nitrile butadiene rubber (NBR), hydrogenated nitrile butadiene rubber (HNBR)…

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Polymer Bound Dispersion Advantages

Polymer bound dispersions or chemical masterbatches are names given to rubber chemicals that are suspended on a binder system to improve dispersability and to reduce health, safety, and housekeeping issues. Polymer bound dispersions have been around for a long time; however, they have grown in popularity due to the desire for improved product performance and scrap reduction.

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The Effect of Binding Free Sulfur in Vulcanized Soybean Oil

The effect that different accelerators have on binding the free sulfur in vulcanized vegetable oil (VVO) to improve long term heat aging properties in a natural rubber (NR) compound were evaluated. Research on using 1.0 PHR of a thiuram accelerator (TMTD) to bind the free sulfur in VVO to improve heat aging properties has been undertaken in the past1.

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The Effect of Binder Systems on Dispersion and Mixing Performance

The effects that binder systems have on chemical bound dispersion properties were evaluated. Both polymer and liquid binder systems were assessed for their effects on chemical melt point, dispersive properties, incorporation time, cost competitiveness, and activity level. Multi chemical liquid bound dispersions were also evaluated against raw material pre-weighs for improvements in cycle times, cure properties, physical properties, and cost.

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Liquid Bound Dispersions

Liquid bound dispersions are rubber chemicals that are suspended on a liquid binder system to improve dispersability while still being cost effective. Liquid binder systems are the newest innovation in dispersion technology. They are composed of oil and other additives that reduce the melt point of the rubber chemical allowing for easier dispersion and incorporation time.

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