More environmental friendly alternatives for biobased materials in tires. Heidi Beers Eco Efficiency specialist at Teijin Aramid

Transcription

1 More environmental friendly alternatives for biobased materials in tires Heidi Beers Eco Efficiency specialist at Teijin Aramid

2 Subjects Intrinsic sustainability of Twaron Green tires: comparison on function Recycled PET versus virgin PET

3 Teijin Limited: global presence

4 Products Teijin Aramid

5 Intrinsic sustainability of Twaron in applications Light Density 1.44 g/cm 3 Strong 5 times stronger than steel at the same weight. Resists heat LOI % Decomposition 500 o C Endurance Low maintenance No corrosion

6 Overview of applications Taking the heat in the brakes Creating durable tires For vehicles that save lives When steel fails Worry free oil transport Increased lifetime automotive & industrial hoses Longer lasting transmission belts Twaron keeps us on-line

7 How does the intrinsic sustainability of Twaron match with tire developments? Requirements for tire developments: Lower weight tires Leading to lower rolling resistance Less CO 2 and particulate matter emissions Less raw materials needed Requires high strength yarns (per mass unit) Rough comparison on amounts of materials needed for reinforcement: Twaron: rayon = 1:3 Twaron: PET = 1:2 Steering precision Requires dimensional stability

8 Subjects Intrinsic sustainability of Twaron Green tires: comparison on function Recycled PET versus Virgin PET

9 What is a green tire? A a tire made 100% from natural materials? B a tire that results in a better eco performance over the whole life cycle (value chain)?

10 Where is the biggest environmental impact in the value chain?

11 Rayon replacement in carcass Rough comparison on amounts of materials needed for reinforcement: Twaron: rayon = 1:3 Twaron: PET = 1:2 RAYON CORDS IN CARCASS 300 gr rayon 600 gr rubber compound or TWARON CORDS 100 gr Twaron 200 gr rubber compound or TWARON/PET CORDS 67 gr Twaron 67 gr PET 270 gr rubber compound Information: based on public available literature and patents

12 Rayon replacement in carcass REINFORCEMENT MATERIAL: RAYON HYBRID TWARON/PET FULL TWARON Relevant aspects 300 gr. Rayon 300/600 gr. rubber 67 gr. Twaron 67 gr. PET 135/270 gr. rubber 100 gr. Twaron 100/200 gr. rubber RAYON TWARON / PET FULL TWARON Rolling resistance Dynamic stiffness Comfort Fatigue Lower weight Commercially feasible - + -/0 Information: based on public available literature and patents

13 Kg CO 2 -eq / kg Kg CO 2 -eq / carcass From kg to function: Global Warming Potential GWP per kg (incl. dipping) GWP per function (incl. rubber)

14 How? Eco Efficiency Approach of TUV certified Customer Benefit Model. Comparison passenger tire carcass 1. compare on function over total value chain - what, how much (raw materials, production) - how long, how well (use phase) 2. Check all effects over the total value chain 3. Focus on the differences 4. Be conservative VERY IMPORTANT 5. Involve from the start and discuss the results with customers and value chain partners: do they agree? Are there other views that need to be taken into account? Is it both environmentally better, and is it a business case?

15 Differences in the value chain: WHAT AND HOW MUCH HOW LONG, HOW WELL RAW MATERIALS MANU- FACTURING DISTRIBUTION USE PHASE END OF LIFE Twaron/PET Less raw materials: Twaron, PET Rubber equal Less material less transport ecoburden and costs Fuel savings lighter tire, less rolling resistance equal Rayon More raw materials: Rayon Rubber equal More material, more transport ecoburden and costs equal Benefits for tire manufacturers Better CO2 footprint Less costs for raw materials Benefits for car producers and consumers (drivers, fleet owners) Lower fuel use Better CO2 footprint, less costs!

16 Subjects Intrinsic sustainability of Twaron Green tires: comparison on function Recycled PET versus Virgin PET

17 Rayon replacement in carcass Rough comparison on amounts of materials needed for reinforcement: Twaron: rayon = 1:3 Twaron: PET = 1:2 RAYON or HYBRID Twaron with VIRGIN PET or HYBRID Twaron with RECYCLED PET Information: based on public available literature and patents

18 Rayon replacement in carcass REINFORCEMENT MATERIAL: RAYON TWARON/ VIRGIN PET TWARON/ RECYCLED PET Relevant aspects 300 gr. Rayon 600 gr. rubber 67 gr. Twaron 67 gr. virgin PET 270 gr. rubber 67 gr. Twaron 67 gr. recycled PET 270 gr. rubber RAYON TWARON / VIRGIN PET TWARON / RECYCLED PET Rolling resistance Dynamic stiffness Comfort Fatigue Lower weight Commercially feasible Information: based on public available literature and patents

19 Kg CO 2 -eq / kg Kg CO 2 -eq / carcass From kg to function: Global Warming Potential GWP per kg (incl. dipping) GWP per function (incl. rubber)

20 Conclusion: A Biobased is not always better B Calculate per function together with chain partners

21 Thank you for your attention For more information: