Tires
Specialty rubbers used in the automotive industry and formulated to maximize the performance of tires can go a long way toward helping reduce CO2 emissions.
Taktene®
Applications such as foams produced with Taktene® Latex present good elasticity, rebound, and dimensional stability. Common applications are reducing fatigue cracking and improving the durability of pavements, as well as providing optimal texture to bubble gum.
Key Benefits
Taktene® Latex modification allows an expanded temperature range of service and provides the following advantages:
- Better flexibility and durability
- Improved aging resistance
- Higher softening point
- Reduced maintenance costs
- Mitigates rutting (permanent deformation)
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How polymers improve urban road infrastructures
Most materials left exposed to the elements will eventually develop cracks and deformations. Whether we are speaking of roads or even food, this can be considered a general rule. One thing that can make elements less likely to crack is to give them more elastic properties so that they are less brittle.
ARLANXEO’s Taktene® Latex elastomer does just that. Used in the production of gel and non-gel laminated foam, Taktene® Latex present good elasticity, rebound and dimensional stability.
This latex is an aqueous dispersion of a butadiene-styrene copolymer with high content of solids (>65%) produced by cold emulsion polymerization. Commonly used polymers are styrene-butadiene-styrene block copolymers (SBS) and High Solids E-SBR Latex (HSL). The trade name of HSL produced by ARLANXEO is Taktene®.
Two grades for a variety of applications
ARLANXEO produces two grades of HSL: Taktene® S62 and Taktene® S62 F. The grade widely used for asphalt modification is Taktene® S 62. More uses include laminated foam (gel and non-gel), insoles and carpet backing; molded foams for pillows and mattresses having excellent elasticity and dimensional stability; as well as fibre impregnation.
Containing no biocide, Taktene® S 62 F is a food grade latex used for bubble gum production and food contact sealants.
Blending Taktene® Latex with natural rubber or styrene butadiene rubber improves abrasion resistance, crack resistance and heat build-up under dynamic load.
For bubble gum production, normally it is necessary to use a higher amount of gum base, high molecular weight and low bounded styrene polymers as food grade sealants for the chewing gum to help maintain its texture and retain taste.
Polymers go a long way in optimizing the elastic recovery of asphalt binders and, as a result, improve the durability of asphalt surfaces.
Compared to conventional asphalt emulsion, modified emulsions with SBS and E-SBR Latex provide better adhesion and cohesion to aggregates. Other advantages include lower thermal susceptibility, higher softening points and better aging resistance.
Maintenance costs for municipalities can be onerous. To mitigate those costs, using polymers for asphalt modification is standard practice. Asphalt modifiers provide effective elastic properties to pavement — minimizing fatigue cracking, improving durability, and reducing maintenance costs.
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