the pu technology platform for sound attenuation library/a... · the pu technology platform for...

Johan Peters, Automotive Product manager Johan Peters, Automotive Product manager AcousticsAcousticsDr. Chris Skinner, Automotive Platform managerDr. Chris Skinner, Automotive Platform managerVDI conference Bad Neuenahr, 24 VDI conference Bad Neuenahr, 24 25/01/200725/01/2007

The PU technology platform for sound attenuation The PU technology platform for sound attenuation in automotive applications.in automotive applications.

VDI conference Bad Neuenahr, 2007VDI conference Bad Neuenahr, 2007

Polyurethanes

Huntsman Polyurethanes & European Automotive market trendsHuntsman Polyurethanes & European Automotive market trends

Moulded applications : Undercarpet & bulkhead Moulded applications : Undercarpet & bulkhead

What are the trends in this market segmentWhat are the trends in this market segmentHow does a PU supplier innovate within this environment : How does a PU supplier innovate within this environment :

Example : Acoustiflex VEF+Example : Acoustiflex VEF+

Thermoforming applications : Engine bay & Thermoforming applications : Engine bay & rooflinersroofliners

ACOUSTIFLEXACOUSTIFLEX®® AbsorbersAbsorbers

How morphology drives performanceHow morphology drives performance

Manufacturing of ACOUSTIFLEXManufacturing of ACOUSTIFLEX®® materialsmaterials

ACOUSTIFLEXACOUSTIFLEX®® S, R & FS, R & FAcoustic characteristics & performanceAcoustic characteristics & performance

Physical property setPhysical property set

ConclusionsConclusions

Overview of presentationOverview of presentation

VDI conference Bad Neuenahr, 2007

Polyurethanes

Who is Huntsman?Who is Huntsman?The Huntsman growth storyThe Huntsman growth story

Huntsman has been a leader in the consolidation of the global chHuntsman has been a leader in the consolidation of the global chemical industryemical industry

$0

$2

$4

$6

$8

$10

$12

$14

1985 1987 1989 1991 1993 1995 1997 1999 2001 2003 2005 PF

Rev

enu

e ($

in B

illio

ns)

Ciba TEC4 Sale

Compounded AnnualGrowth Rate: ~24%

Rexene

Packaging Spinoff

Nova Styrenics Sale

Shell PP

American Hoechst

MonsantoMAn/LAB

Texaco Chemical

TexacoPO/MTBE

Dow Ethyleneamines and Rhodia Surfactants

Vantico

ICI


Polyurethanes

Differentiated ChemicalsDifferentiated Chemicals

Who is Huntsman?

Mainly differentiated businesses

Materials and Effects

AdvancedMaterials

Design & Composites Engineering

Power & Electronics

Coatings, Construction &

Adhesives

Polyurethanes

Adhesives Coatings

and Elastomers

Automotive

Construction

Compositewood products

Footwear

Furniture

TPU

Pigments

Titanium Dioxide

Performance Products

Performance Specialties

Performance Intermediates

Maleic Anhydride & Licensing

TextileEffects

Apparel

Home textiles

Technical textiles

Base Chemicals and Polymers

EthylenePropylene

CyclohexaneParaxylene

MTBEPolyethylene

PolypropyleneAPAOEPS

Commodity Chemicals

2005 Revenue: $6,164m 2005 Revenue: $8,638m


HuntsmanHuntsman Polyurethanes & Polyurethanes & thethe European European Automotive Automotive marketmarket trendstrends

Huntsman Polyurethanes CONFIDENTIALVDI conference Bad Neuenahr, 2007

Polyurethanes

EAME Automotive acoustics market: What do we see as the criticalEAME Automotive acoustics market: What do we see as the critical drivers in the drivers in the market impacting polyurethanes ?market impacting polyurethanes ?

Predicted European vehicle build for MPV & SUVCAGR 10.3 % 2004-2009

700

900

1100

1300

1500

1700

1900

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

Thou

sand

Un

its

0

5

10

15

20

25

30

EAME Market 16.2 16.9 18 19.1 19.5 20.2 20.2 20.2 20.6 21.4 21.6 22.1 23.2 23.9 24.5

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

M Units

Source : LMC Q4 2004

0

5

10

15

20

25

30

EAME Market 16.2 16.9 18 19.1 19.5 20.2 20.2 20.2 20.6 21.4 21.6 22.1 23.2 23.9 24.5

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

M Units


Vehicle build 2004 Vehicle build 2004 2009 CAGR ~2.8% pa2009 CAGR ~2.8% pa

A mature market growing at GDPA mature market growing at GDPOverOver 21 21 millionmillion vehiclesvehicles builtbuilt in EAME in EAME duringduring 20042004

0

5

10

15

20

25

30

EAME Market 16.2 16.9 18 19.1 19.5 20.2 20.2 20.2 20.6 21.4 21.6 22.1 23.2 23.9 24.5

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

M Units


0

5

10

15

20

25

30

EAME Market 16.2 16.9 18 19.1 19.5 20.2 20.2 20.2 20.6 21.4 21.6 22.1 23.2 23.9 24.5

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

M Units


Vehicle build 2004 Vehicle build 2004 2009 CAGR ~2.8% pa2009 CAGR ~2.8% pa

A mature market growing at GDPA mature market growing at GDPOverOver 21 21 millionmillion vehiclesvehicles builtbuilt in EAME in EAME duringduring 20042004

Total EAME 04-0921,404 24,519CAGR 2.8 %

Emerging Markets 04-095,135 7,282CAGR 7.2 %

West Europe 04-0916,269 17,237CAGR 1.7 %

Total EAME 04-0921,404 24,519CAGR 2.8 %


West Europe 04-0916,269 17,237CAGR 1.7 %

Total EAME 04-0921,404 24,519CAGR 2.8 %


West Europe 04-0916,269 17,237CAGR 1.7 %

Europe is running at two speeds Europe is running at two speeds -- emerging markets grow emerging markets grow above industry averageabove industry average

Total EAME 04-0921,404 24,519CAGR 2.8 %


West Europe 04-0916,269 17,237CAGR 1.7 %

Total EAME 04-0921,404 24,519CAGR 2.8 %


West Europe 04-0916,269 17,237CAGR 1.7 %

Total EAME 04-0921,404 24,519CAGR 2.8 %


West Europe 04-0916,269 17,237CAGR 1.7 %

Europe is running at two speeds Europe is running at two speeds -- emerging markets grow emerging markets grow above industry averageabove industry average

Change in kerb mass with time for Golf

500

700

900

1100

1300

1500

1978

1983

1990

1993

1995

2000

2003

year

kg

Consumer demand results in weight and cost Consumer demand results in weight and cost increaseincrease

Source : Automotive engineer Oct 2004 & trade site; Source : Automotive engineer Oct 2004 & trade site; febiacfebiac; Urethanes Technology Oct 2003; Urethanes Technology Oct 2003

17172008200815 (>18kg PU)15 (>18kg PU)20032003

2 2 -- 5519601960% vehicle weight of % vehicle weight of polymerspolymers

Year Year

ref Audi models ref Audi models

Polymers bring innovationPolymers bring innovation

95

100

105

110

115

1997 1998 1999 2000 2001 2002 2003

Cost of living Index Vehicle Selling Price

OEMs struggle to pass costs onOEMs struggle to pass costs on

1996 = 1001996 = 100Change in kerb mass with time for Golf

500

700

900

1100

1300

1500

1978

1983

1990

1993

1995

2000

2003

year

kg


Change in kerb mass with time for Golf

500

700

900

1100

1300

1500

1978

1983

1990

1993

1995

2000

2003

year

kg


Source : Automotive engineer Oct 2004 & trade site; Source : Automotive engineer Oct 2004 & trade site; febiacfebiac; Urethanes Technology Oct 2003; Urethanes Technology Oct 2003

17172008200815 (>18kg PU)15 (>18kg PU)20032003


Year Year



17172008200815 (>18kg PU)15 (>18kg PU)20032003


Year Year



95

100

105

110

115

1997 1998 1999 2000 2001 2002 2003



1996 = 1001996 = 100

95

100

105

110

115

1997 1998 1999 2000 2001 2002 2003



95

100

105

110

115

1997 1998 1999 2000 2001 2002 2003



1996 = 1001996 = 100

Mature marketMature market

Differential growth ratesDifferential growth rates

Continuous cost downContinuous cost down

Enhanced comfortEnhanced comfort

Weight reductionWeight reduction

Recycling & ELDRecycling & ELD

Acoustic comfortAcoustic comfort

Weight reductionWeight reduction


Polyurethanes

Interesting distribution of technologies, some very competitive Interesting distribution of technologies, some very competitive areas with the low areas with the low end under carpet PU foam market being an end under carpet PU foam market being an uglyugly placeplace to beto be ..

Our view of the Our view of the underunder--carpetcarpet market from an OEM market from an OEM perspectiveperspective ..(majority of European EOMs)..(majority of European EOMs)

Key Points:Key Points:-- Increasing cost pressure from OEMsIncreasing cost pressure from OEMs-- Trend away from HR to fibre (cost)Trend away from HR to fibre (cost)-- Some conversion to VEF (German OEMs)Some conversion to VEF (German OEMs)

quality

FibresLower mid downwards

carpet onlycarpet only

highhigh

FibresLower mid downwards


VEF

Standard PU Foam

HR

Upper mid upwardsUpper mid upwards(German OEMs)(German OEMs)

Mid sizes

VEF

Standard PU Foam

HR


Mid sizes

Perceived quality

Perceived quality

low

high

high


Polyurethanes

quality

VEF

Standard PU Foam

HR

Fibres


Lower mid downwards


highhigh

Mid sizes

VEF

Standard PU Foam

HR

Fibres


Lower mid downwards


Mid sizes

WeWe havehave a a rangerange of of technologiestechnologies to to supportsupport thethe challengeschallenges ourour customerscustomers faceface

VEF Platform (VEF / VEF+)VEF / VEF+)

HR Platform F Platform

Perceived quality

Perceived cost

low

high

high


Polyurethanes

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Basic LowerMidsize

UpperMidsize

SUV Sports

VEF HR Others

Our view of the relative technology share per segment in theOur view of the relative technology share per segment in theundercarpetundercarpet market. Interesting to see the clear distribution of themarket. Interesting to see the clear distribution of theVEF technology in upper midsizeVEF technology in upper midsize


VEF

Standard PU FoamHR


Mid sizes

VEF

Standard PU FoamHR


Mid sizes

Polyurethanes

An example of innovation in the An example of innovation in the undercarpetundercarpet market. Ourmarket. Ourtechnology offers a patented, unique balance of E modulus /technology offers a patented, unique balance of E modulus /hardness and hardness and ....

Emodulus f(CLD)

0.00

50.00

100.00

150.00

200.00

250.00

300.00

2.50 3.50 4.50 5.50 6.50 7.50 8.50

CLD 40 %

E m

od

ulu

s (k

Pa)

Emod VEF Emod VEF+

TL - influence of modulus

0

10

20

30

40

50

60

70

80

315 400 500 630 800 1000 1250 1600 2000 2500 3150

Frequency (Hz)

Db

Influence of Modulus on STL : typical data obtainedInfluence of Modulus on STL : typical data obtainedfrom machine test plates of 20 mm thicknessfrom machine test plates of 20 mm thickness

EmodulusEmodulus as a function of compression hardness : typical dataas a function of compression hardness : typical dataobtained from machine test plates of 20 mm thicknessobtained from machine test plates of 20 mm thickness

65kPa

140kPa


Polyurethanes

When plotting loss factor as a function of hardnessWhen plotting loss factor as a function of hardness

Loss factorLoss factor ..


0.20

0.22

0.24

0.26

0.28

0.30

0.32

0.34

0.36

6.00 7.00 8.00 9.00 10.00 11.00 12.00CLD (40%)

loss

fac

tor

loss factor ACOUSTIFLEX VEF

loss factor

Polyurethanes

Interesting to also have a look at emissions, acoustics and Interesting to also have a look at emissions, acoustics and TrittfestigkeitTrittfestigkeit . The properties can be varied to meet a wide . The properties can be varied to meet a wide

range of specsrange of specs


Acoustiflex VEF+

Density g/l 72

CLD 40% compression kPa 4.9

CLD after hydrolysis % delta 43 % loss

CLD after 7 days 140°C % delta no losscompression set % 9.5

Compression set after 7

days 140°C% 11

Compression set after hydrolysis

% 23

Tensile strength kPa 110Elongation % 108Hysteresis % 21Loss factor 0.40E-Modulus kPa 45 kPa

VOC ppm 65 ppm (typical)FOG ppm 30 ppm (typical)

Polyurethanes

Morphology closely aligned to fibresMorphology closely aligned to fibres

High sound absorptionHigh sound absorption

No

vel R

igid

PU

Mo

rph

olo

gy

No

vel R

igid

PU

Mo

rph

olo

gy

Th

ermo

form

able

Th

ermo

form

able

Huntsman developed these novel absorbers which deliver high sounHuntsman developed these novel absorbers which deliver high sound absorption d absorption thermoformabilitythermoformability & stiffness using simple production assets& stiffness using simple production assets

Conventional PU Rigid FoamConventional PU Rigid Foam

ACOUSTIFLEX ACOUSTIFLEX ®® acoustic absorberacoustic absorber

Conventional PU Rigid FoamConventional PU Rigid FoamConventional PU Rigid FoamConventional PU Rigid Foam

ACOUSTIFLEX ACOUSTIFLEX ®® acoustic absorberacoustic absorber

The very good acoustic attenuation The very good acoustic attenuation properties of spotproperties of spot--welded fibres are welded fibres are matched at lower density by open matched at lower density by open cell foamscell foamsLow density open Low density open

celled foamcelled foamFibre technologyFibre technology Low density open Low density open

celled foamcelled foamLow density open Low density open celled foamcelled foam

Fibre technologyFibre technologyFibre technologyFibre technology

Rigid material designed to Rigid material designed to be flexible during be flexible during ThermoformingThermoforming

Material beam deflection Material beam deflection lowlow

Same beam material Same beam material with high deflectionwith high deflection

Material beam deflection Material beam deflection lowlow

Same beam material Same beam material with high deflectionwith high deflection

Conventional flexible foam @ Conventional flexible foam @ density 40kg/mdensity 40kg/m33

FibreFibre technology @ density technology @ density 35kg/m35kg/m33

ACOUSTIFLEXACOUSTIFLEX®® technology technology @ density 16kg/m@ density 16kg/m33

Conventional flexible foam @ Conventional flexible foam @ density 40kg/mdensity 40kg/m33

FibreFibre technology @ density technology @ density 35kg/m35kg/m33

ACOUSTIFLEXACOUSTIFLEX®® technology technology @ density 16kg/m@ density 16kg/m33


Polyurethanes

Clearly the most interesting feature is the morphology of the foClearly the most interesting feature is the morphology of the foam. Using am. Using the technique of xthe technique of x--ray tomography we can show this more clearly:ray tomography we can show this more clearly:

Polyurethanes

The technology provides a platform designed to meet the challengThe technology provides a platform designed to meet the challenge of increased e of increased absorption & reduction in mass across a broad range of applicatiabsorption & reduction in mass across a broad range of applicationsons


Polyurethanes

The technology is versatile, tunable and competitive The technology is versatile, tunable and competitive against alternative materialsagainst alternative materials

KEY PointsKEY PointsThe technology is superior in acoustics to alternative The technology is superior in acoustics to alternative

technology at significantly lower densitiestechnology at significantly lower densitiesThe economics of the PU foam process on a green field The economics of the PU foam process on a green field

site are again better than site are again better than fibrefibre / felt / PU / felt / PU slabstockslabstockThe technology is extremely tunable (acoustics / fire The technology is extremely tunable (acoustics / fire

resistance / density)resistance / density)

Broad density range possibleBroad density range possibleCapable of meeting a range of fire standardsCapable of meeting a range of fire standardsStiff post thermoforming / fewer fixturesStiff post thermoforming / fewer fixturesExcelllentExcelllent acousticsacoustics

Broad density range possibleBroad density range possibleRange of fire standardsRange of fire standards

ThermoformableThermoformableTunable acousticsTunable acoustics

Broad density range possibleBroad density range possibleCapable of meeting a range of fire standardsCapable of meeting a range of fire standards

Stiff post thermoforming / fewer fixturesStiff post thermoforming / fewer fixturesExcelllentExcelllent acousticsacoustics

Broad density range possibleBroad density range possibleCapable of meeting a range of fire standardsCapable of meeting a range of fire standards

Stiff post thermoforming / fewer fixturesStiff post thermoforming / fewer fixturesExcellent acousticsExcellent acoustics


Polyurethanes

Making the material is relatively simpleMaking the material is relatively simple ..

Golden BucketGolden Bucket ProcessProcessMax shot independent of cream Max shot independent of cream

Bucket sits on the mould baseBucket sits on the mould base

Chemicals fed into the bucketChemicals fed into the bucket

Stirrer mixes chemicals [~500 to 800 rpm]Stirrer mixes chemicals [~500 to 800 rpm]

Bucket & stirrer assembly liftedBucket & stirrer assembly lifted

Liquid flows to cover base surfaceLiquid flows to cover base surface

Material creams & starts to rise filling mould.Material creams & starts to rise filling mould.

Block Block demouldeddemoulded

Block size & storageBlock size & storageHigh High exothermexotherm processprocessLimited block height Limited block height Not to be stacked on top of each otherNot to be stacked on top of each otherEnvironment for cooling important Environment for cooling important Standing prior to slitting is importantStanding prior to slitting is important

Block is produced (discontinuous process)Block is produced (discontinuous process)

After resting period the block is slit to form foam blanksAfter resting period the block is slit to form foam blanks

Blank is sandwiched between fabric (& Blank is sandwiched between fabric (& glassfibresglassfibres) as required by application) as required by application

Thermoformed in hot pressThermoformed in hot press

Formed composite is cut and packagedFormed composite is cut and packaged

Typical process routeTypical process route

KEY ELEMENTS OF PROCESSKEY ELEMENTS OF PROCESSFollowing the cutting of the block the full absorbance is reachFollowing the cutting of the block the full absorbance is reachededNo additional processes to enhance the acoustic performance of No additional processes to enhance the acoustic performance of

the ACOUSTIFLEXthe ACOUSTIFLEX®® material material are requiredare requiredCapital investment cost is very low to achieve significant voluCapital investment cost is very low to achieve significant volumeme

Schematic of process routeSchematic of process route

Block Machine BBBlock Machine BB3 Stream 3 Stream

Horizontal slitterHorizontal slitterFlat bladeFlat blade

FoamFoamBlanksBlanks

Blank converted (pressed)Blank converted (pressed)tool temp 150 tool temp 150 -- 160 C160 C

~90 bar~90 bar30 30 -- 60 sec60 sec

Fabric & other materials Fabric & other materials (as required)(as required)top & bottom top & bottom

of blankof blank

StorageFoam blockFoam block

Block Machine BBBlock Machine BB3 Stream 3 Stream

StorageStorageHorizontal slitterHorizontal slitter

Flat bladeFlat bladeFoamFoamBlanksBlanks

Blank converted (pressed)Blank converted (pressed)tool temp 150 tool temp 150 -- 160 C160 C

~90 bar~90 bar30 30 -- 60 sec60 sec

Fabric & other materials Fabric & other materials (as required)(as required)top & bottom top & bottom

of blankof blank

StorageFoam blockFoam block


Polyurethanes

Kundt tube Acoustiflex range - 20mm

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

100 1000 10000

Frequency (Hz)

Ab

sorp

tio

n c

oef

fici

ent

Acoustiflex R22A

Acoustiflex S18F1

Acoustiflex F16F1

S18F1

R22A

F16F1

What does the acoustic performance look like in an What does the acoustic performance look like in an absorption test ? absorption test ?


Polyurethanes

System tuning possible across a broad range of featuresSystem tuning possible across a broad range of featuresE.g. Fire resistance, Foam hardness.E.g. Fire resistance, Foam hardness.


Density kg/m3 16 - 25

CLD 40% - ISO 3386/1 kPa 2.2 - 4.5

Tear strength - ISO 8087 N/m 90 - 130

Tensile strength - ISO 1798 kPa 44 - 50

Elongation - ISO 1798 % 95 - 75

Comp. Set dry 50% Th - ISO 1856 % 38 - 44

FMVSS 302 mm/min 162 - NBR

Polyurethanes

0

10

20

30

40

50

60

70

8016

0

200

250

315

400

500

630

800

1000

1250

1600

2000

2500

3150

4000

5000

Frequency (Hz)

ST

L (

dB

)

moulded HR 60 g/l 20 mm moulded HR 45 g/l ; 20 mm moulded HR 35 g/l ; 20mm

Cost down targets drivenby OEM pressure

Driving down the density as a response to cost Driving down the density as a response to cost pressure, makes the classic mass / decoupler systems pressure, makes the classic mass / decoupler systems have difficulty living up to the specifications, unlesshave difficulty living up to the specifications, unless ..


Polyurethanes

..we change the way we develop the composite..we change the way we develop the composite

0

10

20

30

40

50

60

70

80

160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000

Frequency (Hz)

ST

L (

dB

)

moulded HR 60 g/l 20 mm moulded HR 45 g/l ; 20 mm

LWA 16 g/l ; 20 mm moulded HR 35 g/l ; 20mm

Soft LWA foam

0

10

20

30

40

50

60

70

80

160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000

Frequency (Hz)

ST

L (

dB

)

moulded HR 60 g/l 20 mm moulded HR 45 g/l ; 20 mm

LWA 20g/l 20 mm moulded HR 35 g/l ; 20mm

Soft LWA foam


Polyurethanes

Density kg/m3 23 28 33

compression hardness - Iso 844 kPa 70 - 80 90 100

Stiffness - SAE J949 N/m 6 8 11

Tensile strength - Iso 1798 kPa 140 155 180

Elongation - Iso 1798 % 14 - 18 17 - 20 24 - 28

Fogging - DIN 75201 % 92 92 92

Fogging - DIN 75201 mg 0.7 0.7 0.7

FMVSS 302 mm/min 72 - 80 < 70 < 70


System tuning possible across a broad range of featuresSystem tuning possible across a broad range of featuresE.g. Fire resistance, Foam hardness.E.g. Fire resistance, Foam hardness.

Polyurethanes

-0.10

0.10

0.30

0.50

0.70

0.90

1.10

0 1000 2000 3000 4000 5000 6000

Frequency (Hz)

Abso

rption

Coef

fici

ent

Acoustiflex R 22 industry reference 33 density

KundtKundt tube assessment of standard commercial headliner tube assessment of standard commercial headliner foam versus ACOUSTIFLEXfoam versus ACOUSTIFLEX®® R22 (foam samples)R22 (foam samples)


Polyurethanes

Probably the best headliners in the world

The materials are also made using the simple batch block The materials are also made using the simple batch block processprocess

LightweightLightweightAcousticAcousticPhenolicPhenolic / amine free/ amine freeThermoformableThermoformableLow Low odourodourConsistent qualityConsistent qualityClean processClean processNo needle punching requiredNo needle punching required

Simple processSimple processRelatively low wasteRelatively low wasteEasy to change systemEasy to change systemLow investment costLow investment cost


UnderUnder--bonnet & Engine Bay Componentsbonnet & Engine Bay Components

Polyurethanes

Properties range of current systems

Density kg/m3 17 - 19 17 - 19

CLD 40% - ISO 3386/1 kPa 25 - 32 26 - 34

Tensile - ISO 1798 kPa 60 - 70 65 - 77

Elongation - ISO 1798 % 17 - 19 15 - 20

Fogging - DIN 75201 % 86 97

Fogging - DIN 75201 mg 0.8 0.5

FMVSS 302 mm/min 72 - 80 NBR


Polyurethanes

Kundt tube 20mm. Acoustiflex S versus Felt

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

100 1000 10000

Frequency (Hz)

Abs

orpt

ion

coe

ffic

ient

Acoustiflex S18F1 Dual density fibre Felt 1 - 1000 gr Felt 2 - 1000 gr Felt 3 - 1200 gr

A lightweight solution with excellent sound attenuation A lightweight solution with excellent sound attenuation properties & better low frequency performance vs. properties & better low frequency performance vs. fibrous materialsfibrous materials


171020Felt 3

20.91045Felt 2

19.2960Felt 1

231840Dual density

20360Acoustiflex S

thickness (mm)

weight / m2type

Polyurethanes

A lightweight solution with excellent sound attenuation A lightweight solution with excellent sound attenuation properties & better low frequency performance vs. properties & better low frequency performance vs. alternative foamsalternative foams ....


Acoustiflex S vs alternative foams20 mm foam thickness

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

100 1000 10000

Frequency (Hz)

Ab

sorp

tio

n c

oef

fici

ent

Acoustiflex S PU market reference Melamine Foam

Polyurethanes

Conclusions on the technologyConclusions on the technology

No additional steps to acoustic activityNo additional steps to acoustic activity

Simple and clean processingSimple and clean processing

Less work in progress Less work in progress

Deep draw potential (elongation >70%)Deep draw potential (elongation >70%)

Low waste & simple productionLow waste & simple production

ACOUSTIFLEXACOUSTIFLEX®® RR

Excellent acousticsExcellent acoustics

Interesting CLD / E mod ratioInteresting CLD / E mod ratio

Low emissionLow emission

Wide hardness range possibleWide hardness range possible

Good physical propertiesGood physical properties

Fast demould time (<80s)Fast demould time (<80s)

ACOUSTIFLEXACOUSTIFLEX®® SS


Acoustic comfort and weight reductionAcoustic comfort and weight reduction

ACOUSTIFLEXACOUSTIFLEX®®

Polyurethanes

Conclusions on the technologyConclusions on the technology

No additional steps to acoustic activityNo additional steps to acoustic activity


Less work in progress Less work in progress

Deep draw potential (elongation>20%)Deep draw potential (elongation>20%)

High stiffness to allow modular designHigh stiffness to allow modular design


Reduced debris on airbag deploymentReduced debris on airbag deployment

Superior acousticsSuperior acoustics

ACOUSTIFLEXACOUSTIFLEX®® RR

Fire retardant to a range of standardsFire retardant to a range of standards

Cost competitive Cost competitive vsvs felt felt


Not friableNot friable

Deep draw potentialDeep draw potential


Self supporting Self supporting fewer clipsfewer clips

Superior acousticsSuperior acoustics

ACOUSTIFLEXACOUSTIFLEX®® SS

Acoustic comfort and weight reductionAcoustic comfort and weight reduction

ACOUSTIFLEXACOUSTIFLEX®®


Polyurethanes

While the information and recommendations in this publication are, to the best of our knowledge, information and belief, accurate at the date of publication, NOTHING HEREIN IS TO BE CONSTRUED AS A WARRANTY, EXPRESS OR OTHERWISE. In all cases, it is the responsibility of the user to determine the applicability of such information and recommendations and the suitability of any product for its own particular purpose.NOTHING IN THIS PUBLICATION IS TO BE CONSTRUED AS RECOMMENDING THE INFRINGEMENT OF ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHT, AND NO LIABILITY ARISING FROM ANY SUCH INFRINGEMENT IS ASSUMED. NOTHING IN THIS PUBLICATION IS TO BE VIEWED AS A LICENCE UNDER ANY INTELLECTUAL PROPERTY RIGHT.Except where explicitly agreed otherwise, the sale of products referred to in this publication is subject to the general terms and conditions of Huntsman International LLC or of its affiliated companies.Huntsman Polyurethanes is an international business unit of Huntsman International LLC. Huntsman Polyurethanes trades through Huntsman affiliated companies in different countries such as HuntsmanInternational LLC in the USA and Huntsman Holland BV in Western Europe.

Advanced ComfortTM & ACOUSTIFLEX® is a registered trademark of Huntsman Corporation or an affiliate thereof in one or more, but not all, countries.Copyright © 2007 Huntsman Corporation or an affiliate thereof. All rights reserved.

Thank you for your attention. Thank you for your attention.

Perceived Perceived qualityquality

VEF

Standard PU Foam

HR

Fibres

PerceivedPerceivedcostcost


Lower mid downwards


highhigh

highhigh

lowlow

Mid sizes


VEF

Standard PU Foam

HR

Fibres



Lower mid downwards


highhigh

highhigh

lowlow

Mid sizes


HR Platform (HR / HR+HR / HR+)F Platform


VEF

Standard PU Foam

HR

Fibres



Lower mid downwards


highhigh

highhigh

lowlow

Mid sizes


VEF

Standard PU Foam

HR

Fibres



Lower mid downwards


highhigh

highhigh

lowlow

Mid sizes


HR Platform (HR / HR+HR / HR+)F Platform

My contact details should you have other questions:My contact details should you have other questions:

Johan PetersJohan PetersHuntsman PolyurethanesHuntsman PolyurethanesEverbergEverbergTel: +32 2 758 9332 / Fax : +32 2 758 7332Tel: +32 2 758 9332 / Fax : +32 2 758 [email protected][email protected]


the pu technology platform for sound attenuation library/a... · the pu technology platform for...

Documents