Ultramid Endure. Dr. Manoranjan Prusty Product Development Manager BASF SE, Germany

Transcription

1 Ultramid Endure A new family of polyamides (PAs) specifically been developed to tackle the elevated temperatures and aggressive chemicals found in automotive powertrain applications Dr. Manoranjan Prusty Product Development Manager BASF SE, Germany

2 Outline Introduction Key Facts Mechanical Properties at Temperature Superior Heat Aging Resistance Improved Flowability Excellent Weld Line Strength Standard Processing Chemical resistance Applications 2

3 Introduction Ultramid Endure: Glass Reinforced Polyamide Long-term service temperature [ C] Ultramid Endure High Performance Plastics Elevated temperature resistance Good processability Excellent weld line strength Long term service temperature: 220 C Peak temperature: 240 C PA 66/6 PA 66 System costs Weight reduction in the engine compartment

4 Innovative Stabilization Technology Protecting Surface Layer PA 66 Ultramid Endure 220 C / 1000 h 220 C / 3000 h 2 mm 2 mm 500 µm 30 µm

5 Ultramid Endure Key Facts: Heat Aging 5

6 Tensile Strength at 23 C after Heat aging from 180 C to 230 C aging at 230 C aging at 220 C aging at 200 C aging at 180 C

7 Tensile Strength at 23 C after Heat Aging at 220 C Ultramid Endure PA 46 GF40 PPS GF40 PPA GF35 There is only a small loss of strength after aging up to 220 C

8 Tensile Strain at 23 C after Heat aging from 180 C to 230 C aging at 230 C aging at 220 C aging at 200 C aging at 180 C

9 Elongation at Break at 23 C after Heat Aging at 220 C Ultramid Endure PPS GF40 PPA GF35 PA 46 GF40 Ultramid Endure is always above 1.5% elongation at break

10 Ultramid Endure Key Facts: Mechanical Properties at Temperature 10

11 Tensile Strength: 220 C, 230 C and 240 C The mechanical properties are comparable other temp

12 G' (Pa) Shear Modulus (-100 C to 280 C) 1E9 HDT ( C) Ultramid Endure 242 PA46 GF PPA GF PPS GF E8 Ultramid Endure PA4.6 GF40 PPA GF35 PPS GF temperature ( C) Ultramid Endure is equivalent to HT products in temperature range 150 to 240 C

13 Ultramid Endure Improved Processability

14 Key Facts Processability Flow length approx. 40% higher than PA66 GF35 *BASF Ultramid grades

15 Excellent Weldline Strength after 1000 h at 220 C PA 66 Ultramid Endure

16 4-point bending strength [MPa] Key Facts Weldline Strength Excellent weldline strength after heat aging at 220 C A3WG6 A3W2G6 Endure D3G7 *BASF Ultramid grades 0 h 500 h 1000 h

17 Key Facts: Processing Injection molding similar to standard PA66 GF35 Melt temperature C Mold temperature C Moisture content < 0.05 %

18 Ultramid Endure Chemical resistance

19 Chemical resistance Exhaust gas condensate following VDA Ultramid Endure 120 C 220 C Storage process: 10 min at 23 C exhaust gas condensate 2 h at 50 C air 18 h at 120 C air (alternatively at 220 C) 1 cycle = 20 h 120 C 220 C exhaust gas condensate: 3.4 ml nitric acid (HNO 3 ) 1.4 ml sulphuric acid (H 2 SO 4 ) 500 ml demineralised water 1.65 g sodium chloride (NaCl) fill up to 1000 ml with demineralised water 19

20 Chemical resistance Blow-by condensate 2 (new) BMW GS Ultramid Endure D3G7 bk storage in vapour dwell time = 24 h at 85 C also at 120 C 85 C 120 C drying 2h at room temperature 24 h at 60 C 24 h at 80 C 24 h at 120 C cooling up to 23 ± 2 C test 85 C 120 C June 26, 2012

21 Applications Metal Replacement continuous heat aging > 200 C 1 Resonator 2 3 Charge-air lines Intercooler caps 4 5 Throttle valve Intake manifold

22 Ultramid Endure Summary of key attributes Ultramid Endure is a glass fiber reinforced injection molding grade High stiffness at elevated temperatures Excellent heat aging resistance comparible Long-term service temperature 220 C Peak temperature 240 C Processability similar to PA66 but 40% higher flow length! Excellent weld line strength even after heat aging Economical offering for metal replacement in high temperature applications

23 Ultramid Endure with 50% GF 23

24 Ultramid Endure with high stiffness Endure D3G10 vs. Endure D3G7 Shear Modulus (-100 C to 260 C) Endure D3G10 Endure D3G7 June 26,

25 Ultramid Endure with high stiffness Endure D3G10 vs. others Tensile modulus at 220 C June 26,

26 Thank you very much for your attention! The information and data given here are based on our current knowledge and experience. This does not relieve the purchaser of our products from incoming inspection. The information and data do not describe the suitability of the product for a specific application. Composition - and durability statements - as well as any other statements are not to be considered as a warranty. The values contained herein are based on analysis/testing of laboratory test specimens and represent data that fall within the normal range of properties for natural materials, unless stated otherwise. Colorants and additives may alter properties. This information is provided as a service for comparative purposes only and in no way constitutes any product specification or the like. For component design the data contained herein are applicable as guideline only.

27 Summary Ultramid Endure GF 35% PPA GF35 PA46 GF40 PPS GF40 Heat aging resistance 220 C Weld strength after aging 220 C Tensile strength at 200 C 57 MPa 50 MPa 52 MPa 59 MPa Tensile strain at 200 C 5.3% 6.5% 12.5% 3.2% HDT Chemical resistance Water uptake 1.6% 1.5% 2.2% ~ 0% Processing Shrinkage parallel/normal 0.3% / 0.9% 0.2% / 0.8% 0.4% / 1.1% 0.2% / 0.4% Density 1.43 g/cm³ 1.47 g/cm³ 1.51 g/cm³ 1.65 g/cm³

28 Tensile Strength at 23 C after Heat aging from 180 C to 230 C Only small drop in tensile strength after Heat aging 3,000 h at 230 C Ultramid Endure (230 C) Ultramid Endure (220 C) Ultramid Endure (180 C) Ultramid Endure (200 C) Ultramid A3W2G6 (180 C) PA666 30% GF (200 C) PA666 30% GF(220 C)

29 Tensile Modulus at 23 C after Heat Aging from 180 C to 230 C aging at 230 C aging at 220 C aging at 200 C aging at 180 C

30 Tensile Modulus at 23 C after Heat Aging at 220 C PA 46 GF40 Ultramid Endure PPS GF40 PPA GF35 Stiffness relatively unchanged after 3000 hrs!

31 Elongation at break: 220 C, 230 C and 240 C

32 Tensile modulus 220 C, 230 C and 240 C