Organic Materials--Rubber

1) Body and Interior

Year
Technology developed and applied
Applicable Vehicle
Further details
1997
Ethylene-propylene-diene monomer (EPDM) rubber recycling technology using twin-screw reactive extrusion
Corolla
 
1998
Low-cost, post-chlorinated polyvinyl chloride (post PVC), thermoplastic olefin (TPO) glass run
Corolla
 
*
EPDM : ethlyene propylene diene rubber

2) Chassis

Year
Technology developed and applied
Applicable Vehicle
Further details
1970
EPDM brake cylinder seal
 
 
1987
High-pressure brake hose for antilock brake system (ABS)
 
 
*
ABS : Antilock Brake System

3) Powertrain

Year
Technology developed and applied
Applicable Vehicle
Further details
1973
EPDM water hose
 
 
1980
Fluororubber fuel hose
 
 
1989
Hydrogenated nitrile rubber (H-NBR)/aramid fiber timing belt
Lexus
 
1994
Electrochemical-degradation-resistant water hose
Corolla
 
1998
Fluorosilicone (FVMQ) resin molded rubber gaskets for intake manifolds
Altezza
 
*
EPDM : ethlyene propylene diene rubber

Organic Materials--Fabric, Coverings, Linings, Filters

1) Powertrain

Year
Technology developed and applied
Applicable Vehicle
Further details
1951
3-layer paper air filter
 
 

2) Body and Interior

Year
Technology developed and applied
Applicable Vehicle
Further details
1940s
Vinyl chloride leather covering
 
 
1955
Flat door trim
 
 
1950s
Rayon and nylon woven fabric
 
 
1960
Integrated-foam instrument panel
Corona
 
1963
Suspended ceiling
 
 
1970
Molded ceiling
Celica
 
1970s
Genuine leather seat covering
 
 
1982
Molded door trim
Corona
 
1983
Powder slush-molded instrument panel covering
Crown
 
1988
Ecsaine seats
CarinaED
 
1989
TPO door trim covering
Starlet
 
1990
Adhesive sheets
Corolla
 
1996
Seatback board made from recycled trimmed ends of TPO coverings
MarkII
 
1999
Post-PVC covering for dashboard silencer
Vitz
 
2000
Airbag door material integrated in instrument panel
Estima
 
Semi-aniline genuine leather
Celsior
 
2011
Bio based PET covering
Lexus CT200h
 

Organic Materials--Plastics, FRP, Urethane

1) Drivetrain

Year
Technology developed and applied
Applicable Vehicle
Further details
1992
Composite propeller shafts
MarkII
 

2)Chassis

Year
Technology developed and applied
Applicable Vehicle
Further details
1993
Long-fiber glass reinforced polypropylene automatic transmission shifter plate
Celica
 
1996
Polyacetal (polyoxymethylene) fuel pump module
Camry (TMMK, U.S.A. models)
 

3) Powertrain

Year
Technology developed and applied
Applicable Vehicle
Further details
1981
Polyamide (PA) 66G nylon radiator tank
Crown
 
1983
PA11 fuel tube
Corolla
 
1990
Polyamide-imide (PAI) piston coating
Crown
 
1996
Resin intake manifold
MarkII
Further details
1999
High-rigidity resin bumper made of TSOP-6
Crown
 
Resin gears for new S-series balance shaft
Estima
 
*
TSOP : Toyota Super Olefin Polymer

4) Body, Interior and Exterior

Year
Technology developed and applied
Applicable Vehicle
Further details
1957
Fiber-reinforced plastic (FRP) roof panel
Land Cruiser
 
1970
Elastomer color bumper
Celica
 
Urethane foam seat pad
 
 
1974
Sheet Molding Compound (SMC) overfender
Corolla
 
1976
High-density polyethylene gasoline tank
Carina
 
1981
PP bumper
Tercel
 
1982
Polycarbonate (PC) outside handles
Celica
 
PC headlight lenses
Tercel
 
1983
Fiber-reinforced reaction injection-molded urethane soft fascia
Soarer
 
1984
Exterior-plate-colored reaction injected-molded urethane rear spoiler
862B
 
1986
SMC sunroof housing
CarinaED
 
1991
Super olefin polymer bumper
Crown
Further details
1994
Resin airbag door with integrated covering
Celsior
 
1995
Bumpers recycled from end-of-use bumpers
RAV4
 
1996
Interior integrated resin material TSOP-5(Toyota Super Olefin Polymer-5)
Corona
Further details
1997
Black-out film
Caldina
 
Bumper recycling technology based on twin-screw chemical breakdown method
Starlet
 
1999
In-mold molding film for exterior parts
Avalon
 
2000
Thermoplastic Polyurethane covering
Celsior
Further details
Door trim made of natural fiber kenaf
Celsior
 
2009
Ecoplastic for interior parts
SAI
 
2012
Polycarbonate (PC) panoramic roof
Prius a
 
*
PP : poly propylene
SMC : Sheet Molding Compound
TSOP : Toyota Super Olefin Polymer

Organic Materials--Adhesives

1) Windshield Glass Installation and Bonding

Year
Technology developed and applied
Applicable Vehicle
Further details
1930s
Window weather stripping made of natural rubber
 
 
1960s
Styrene butadiene rubber (SBR)
 
 
1970s
EPDM
 
 
1971
Direct glazing polysulfide
Crown
 
1976
Direct glazing 2-liquid urethane
Crown, MarkII
 
1981
Direct glazing 1-liquid urethane
Corolla
 
Curing time improved
 
 
1993
Hot applied, 1-liquid urethane adhesive
Celica
 
1995
Urethane bonding of integrated molded PVC molding of quarter window to body
RAV4
 
1996
Low-cost urethane adhesive for gluing window
Ipsum
 
1997
Solvent-free urethane window adhesive
Avensis
 
2001
Primer-less urethane adhesive for body
Opa
 
*
EPDM : ethlyene propylene diene rubber
PVC : polyvinyl chloride

2) Spot Sealants

Year
Technology developed and applied
Applicable Vehicle
Further detail
1966
Polybutadiene-based pastes and foams
 
 
1967
Styrene-butadiene (SBR)-based moldings and foams
 
 
1978
Acrylonitrile butadiene rubber NBR- and polyisoprene (IR)-SBR-based pastes and foams
Celica
 

3) Mastic Adhesives

Year
Technology developed and applied
Applicable Vehicle
Further details
2003
Spot-sealing mastic adhesive
Hilux
 

4) Panel Reinforcements

Year
Technology developed and applied
Applicable Vehicle
Further details
1972
Painted-surface-type prepreg sheet for doors
Corolla
 
1982
Steel sheet reinforcement with glass cloth
Soarer
 
1983
Oiled-surface-type prepreg sheet for doors
Corolla
 
1984
Steel sheet reinforcement with steel plate
MarkII
 
1991
Foaming property addition
Soarer
 
1997
Chemically clean steel sheet reinforcement
Crown
 
2004
Low-reinforcement prepreg sheet
Prius
 
2009
Steel sheet reinforcement with vibration-damping property
Lexus LS
 

5) Structural Adhesives

Year
Technology developed and applied
Applicable Vehicle
Further details
1973
Epoxy hemming adhesive
Carina
 
1981
Film-type epoxy adhesive
Soarer
 
1984
2-liquid urethane for FRP
Hilux
 
1988
Tape-type structural adhesive
MarkII
 
1991
Foam-tape structural adhesive
Crown
 
1993
Structural adhesive for aluminum hoods
Supra
 
1997
Non-methylene chloride primer for FRP
MR2
 
2003
Rear wheel arch structural adhesive
WISH
 
2011
Structural adhesive for J flange wheel arch
Corolla
 
*
FRP : Fiber-reinforced plastic

6) Interior Adhesives

Year
Technology developed and applied
Applicable Vehicle
Further details
1950s
Chloroprene foam double-sided tape
 
 
1980s
Chloroprene foam double-sided tape (thermo-hardening type)
 
 
1980s
Chloroprene foam double-sided tape (thermo-fusing type)
 
 
1980s
Acrylic foam double-sided tape
 
 
1984
Polyethylene foam double-sided tape
MarkII
 
1994
Acrylic foam double-sided tape compatible with acid-rain-resistant paint
 
 
1950s
Recyclable rubber parts and paste
 
 
1970s
Resin-based hot melt adhesive made primarily of thermoplastic resin
 
 
1980s
Rubber-based hot melt adhesive
 
 
1990s
Reactive hot melt adhesive
 
 
1960s
Vinyl acetate, paste
 
 
1950s
Butyl-based paste
 
 
1960s
Butyl tape
 
 
1980s
Hot butyl
 
 
1950s
Solvent-based rubber adhesive
 
 
1980s
Urethane-based, 2-liquid type adhesive
 
 
1997
Hot melt adhesive for soundproofing felt used at Takaoka Plant
Corolla
 

7) Adhesives and Sealants for Mechanical Parts

Year
Technology developed and applied
Applicable Vehicle
Further details
1980s
Formed-in-place gasket of room temperature vulcanization silicone
 
 
2000
Two-component curing FIPG
Crown
 
2003
Cured In Place Gasket (CIPG)
Prius
 

8) Adhesive Labels

Year
Technology developed and applied
Applicable Vehicle
Further details
2003
Laser label
Opa
 
2009
Theft-prevention laser label
Lexus LS
 

Organic Materials--Soundproofing Materials

1) Vibration-damping Materials

Year
Technology developed and applied
Applicable Vehicle
Further details
1940s
Adhesive-type asphalt-impregnated board
 
 
1963
Asphalt sheet
Crown
 
1966
Pressure-adhesion asphalt sheet
Corolla
 
1968
Magnetically adhesive asphalt sheet
MarkII
 
1979
High vibration-damping asphalt sheet containing mica
Celica
 
1984
Steel-plate-sandwiched asphalt sheet
MR2
 
1986
Multi-layer asphalt sheet for flattening the floor
Supra
 
1988
Resin-bound asphalt sheet
MarkII
 
1989
Lightweight asphalt sheet
Celica
 
1994
Foamed, single-layer asphalt sheet
Celsior
 
2000
Paint-on vibration-damping material
Crown
 
2005
Rubber-based vibration-damping sheet
Lexus LS
 

2) Sound-absorbing and Sound-proofing Materials

Year
Technology developed and applied
Applicable Vehicle
Further details
1950s
Hard board and hemp felt
 
 
1967
Molded felt dashboard silencer
Crown
 
1974
Molded glass-wool hood silencer
Crown
 
1976
Molded felt hood silencer
MarkII
 
1989
Molded urethane dashboard silencer
Celica
 
1992
Low-sprung felt for front silencer
MarkII
 
1997
High-rigidity asphalt sheet
Aristo
 
High-rigidity foam filler
Celsior
 
1999
Vibration-damping coating
Crown
 

3) Fillers and Sealants for Pillar Space

Year
Technology developed and applied
Applicable Vehicle
Further details
1987
High-foaming moldings and foaming fillers
Crown
 
1988
Multi-layer, high-foaming filler
Celsior
 
Flame-retardant high-foaming filler
Celsior
 
1991
Paste-type high-foaming filler
Aristo
 
1994
High-rigidity epoxy-based foaming filler
Celsior
 
1997
High-rigidity rubber-based foaming filler
Crown Majesta
 
2000
Vibration-damping foaming filler
Celsior
 
2007
Sound-absorbing foaming filler
Celsior
 

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