Introduction for Bayer Polyurethane Product - Floor Coatings
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Transcript of Introduction for Bayer Polyurethane Product - Floor Coatings
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BMS EMEA SCO CM Building Chemicals • October 2004 • Seite 1
Building Chemicals - General Introduction
Training October 2004
Gerhard Ruttmann
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TABLE OF CONTENTS:TABLE OF CONTENTS:
� Fields of applications
� Requirements
� Typical build up
� Technologies -ProductionApplication
INTRODUCTIONINTRODUCTION
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General Industrial General Industrial FlooringFlooring
SPECIFICATIONS: AGI - Guidelines,DIN - Standards
FIELDS OF APPLICATIONFIELDS OF APPLICATION
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FLOORING: FLOORING: SecondarySecondary Containment Systems Containment Systems
SPECIFICATIONS: - Guideline of the DIBt, Berlin- DIN 28052
FIELDS OF APPLICATIONFIELDS OF APPLICATION
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SecondarySecondary ( (primaryprimary) Containment Systems) Containment Systems
FIELDS OF APPLICATIONFIELDS OF APPLICATION
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FLOORING: FLOORING: CoatingCoating Systems Systems forfor thethe Food Food ProcessingProcessing and andPharmaceuticalPharmaceutical IndustryIndustry
FIELDS OF APPLICATIONFIELDS OF APPLICATION
SPECIFICATION: - GMP
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Parking DecksParking Decks
FIELDS OF APPLICATIONFIELDS OF APPLICATION
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FIELDS OF APPLICATIONFIELDS OF APPLICATIONOverlaysOverlays
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WaterproofingWaterproofing Systems Systems
FIELDS OF APPLICATIONFIELDS OF APPLICATION
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SPECIFICATION: DIN 18032
Gymnasium- / Sports Gymnasium- / Sports FloorsFloors
FIELDS OF APPLICATIONFIELDS OF APPLICATION
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RoofRoof CoatingsCoatings
SPECIFICATIONS:
- Guidelines of planing and applications of roofs coatings/waterproofing measures
- DIN 4102/7: Resistance against radiated heat and fire
FIELDS OF APPLICATIONFIELDS OF APPLICATION
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SPECIAL APPLICATIONS: Crack - InjectionsSPECIAL APPLICATIONS: Crack - Injections
FIELDS OF APPLICATIONFIELDS OF APPLICATION
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FIELDS OF APPLICATIONFIELDS OF APPLICATIONSPECIAL APPLICATIONS: SPECIAL APPLICATIONS: Embedding - Systems for Rails
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- Parking Decks- Industrial Flooring (general)- Secondary Containment- „Overlays“ (anti slip road-, ramp and ship deck coatings)- Sports Floors
- Technologies of application:- rolling,- trowelling,- spraying (2 pack-PU spray coatings)
FIELDS OF APPLICATIONFIELDS OF APPLICATION
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Industrial Industrial FlooringFlooring - - requirements requirements, , application application and and buildbuild up up
requirements: mechanical load chemical load thermal load safety surface comfort
- light -oil, lipids - heat (humid - dry) - waterproof - evenness - impact sound- middel - solvents � short term - crack bridging - structure insulation- high - acids � constant - slip resistant - color - abilitiy of repair- extrem - alkalines - cold - non-combustible - gloss - cleaning- rolling - detergents � short term - antistatic - color fastness - maintenance- dragging ½ short term � constant - ecological - weather stability- beating ½ constant - change in
temperature
� � � � � �
wear coatings:
�
�opt. adhesion
promoteropt. adhesion
promoteropt. adhesion
promoter
�
sound bearing cementous screeds magnesite- / anhydrite screeds bituminous floors synthetic resin
coatings ceramic tiles
constructions
vacuum shot blasting, grinding, milling
inspection of the substrate (humidity, contaminations, toughness, strength)
pretreatment -
concrete
�
sealers / thin floor coatings / thick floor coatings / synthetic resin mortars
pretreated underlayer for the wear coat
penetration primer / primer / levelling coat
�
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Resistant against abrasion
Resistant against impact
Resistant against chemicals
Impermeable to liquids
Crack - bridging
Skid resistance
Electrically conductive
Weather stability
Color stability
Ease of cleaning and care
Evenness
POSSIBLE REQUIREMENTS FOR FLOOR COATINGSPOSSIBLE REQUIREMENTS FOR FLOOR COATINGS
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concrete
levelling -coat (opt.)
primer
self-levelling coating
top coat (opt.)
FLOOR COATINGS: FLOOR COATINGS: TypicalTypical BuildBuild-Up-Up
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No laitance, free from loose andNo laitance, free from loose andcrumbly components,crumbly components,contaminants, peeling coatings,contaminants, peeling coatings,cracks and gravel pocketscracks and gravel pockets
Tensile strength:Tensile strength:≥≥ 1,5 N/mm1,5 N/mm22
Water content of the concrete at aWater content of the concrete at adepth of 2 cm:depth of 2 cm:≤≤ 4%4%
Conditions for the application:Conditions for the application:•• Substrate temperature Substrate temperature ≥≥ 3 K3 K above dew point above dew point•• Substrate temperature Substrate temperature ≥≥ 8 8°°CC
ApplicationApplication: : RequestedRequested Conditions Conditions of of the the SubstrateSubstrate
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C-Aquameter
ApplicationApplication: : Inspection Inspection of of the substratethe substrate
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Pull-off Tester
ApplicationApplication: : Inspection Inspection of of the substratethe substrate
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Vacuum Shot Blasting EquipmentVacuum Shot Blasting Equipment
ApplicationApplication: : PretreatmentPretreatment of of the substratethe substrate
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Mixing Equipment
ApplicationApplication
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Mixing Equipment
ApplicationApplication
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Mixing Equipment: Forced Action Mixer
ApplicationApplication
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spiked shoes
float plate
squeegee
lamb skin rollerspike roller
vanishing roller
floor finsh scraper
trowel-toothed
-smooth
ApplicationApplication: Tools: Tools
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Working and Safety Equipment
ApplicationApplication
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- Aromatic systems (Desmodur / Desmophen):- NCO/OH (2 pack PU, aromatic)- NCO/H2O (1 pack PU, moisture curing)- NCO/Amine (2 pack PU, amine-aromatic)- NCO/Polyolemulsion (3 pack PU, Desmolith)
- Desmocap
- 2 pack PU, water borne (Bayhydrol / Bayhydur )
- Aliphatic systems (Desmodur / Desmophen):- NCO/OH (2 pack PU, aliphatic)- NCO/H2O (1 pack PU, moisture curing)- NCO/latent Hardener (1 pack PU, moisture curing) - NCO/Amine (2 pack PU, Aspartates)
TECHNOLOGY OPTIONS -TECHNOLOGY OPTIONS -
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- Products: - Desmodur VL / VL 50 / VL R20 - Desmophen 1150 / 1145 / VP LS 2284 / 550 U etc.
- Application: - industrial flooring- Advantage: - solvent free, self levelling coatings
- higher reactivity than EP at lower temperatures - soft to hard - adjustable properties- Disadvantage: - sensitive regarding application conditions
- hydrophilic / hydrophobic properties of polyols
TECHNOLOGY OPTIONS -TECHNOLOGY OPTIONS -2 pack PU 2 pack PU with aromatic isocyanateswith aromatic isocyanates
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TECHNOLOGY OPTIONS -TECHNOLOGY OPTIONS -1 pack PU, 1 pack PU, moisture curing moisture curing -- with aromatic isocyanates with aromatic isocyanates
- Products: - Desmodur E 21 / E 23 / E 29- Application: - industrial flooring and parking decks
as primer/sealer on concrete- Advantage: - less sensitive regarding application conditions
- easy handling at the construction site - higher reactivity than EP at lower temperatures
- Disadvantage: - low tolerance regarding film thickness - high viscosity of Desmodur E 21 / E 23 - formulations mostly solvent containing
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TECHNOLOGY OPTIONS -TECHNOLOGY OPTIONS -2 pack PU, 2 pack PU, with aromaticwith aromatic//aliphatic isocyanatesaliphatic isocyanates and and aromatic aminesaromatic amines
- Products: - Desmodur E 15 / VP LS 2371- Application: - parking decks, balconies etc.
waterproofing membranes in general- Advantage: - not sensitive regarding application conditions
- highly flexible but relative hard coating material also at low temperatures, used for water-proofing
- Disadvantage: - higher raw material price - relatively high viscosity - use of aromatic (non carcinogenic) amines as hardener
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TECHNOLOGY OPTIONS -TECHNOLOGY OPTIONS -DesmocapDesmocap
- Products: - Desmocap 11 / 1180 / 12- Application: - parking decks, balconies etc.
- Epoxyd- Elastification- Advantage: - less sensitive regarding application conditions
- flexible to hard coatings depending EP/Desmocap ratio broad glass transition temperature range, used for crack bridging systems
- Disadvantage: - high viscosity (~ 100.000 mPas for D‘cap 11)
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VACUUM BUTTERFLYDISSOLVER
Recommended ProductionRecommended Production Equipment Equipment
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- higher productivity:- higher productivity:
- lower raw material prices- lower prices of formulations (more filler, lower viscosity)- easier to apply- shorter through curing times / longer pot life
- increased environmental protection and health care:- increased environmental protection and health care:
- solvent free systems- no aromatic (non - carcinogenic) amines
Trends of Trends of the the Market ( WE; NAFTA )Market ( WE; NAFTA )
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PU - TECHNOLOGY
FLEXIBLE TO HARD COATINGSYSTEMS
CRACK-BRIDGING; TOUGH;ABRASION RESISTANT
SENSITIVE REGARDINGAPPLICATION CONDITIONSAND - FAILURES
EP - TECHNOLOGY
GENERAL PURPOSE SYSTEMS
HARD, NON - FLEXIBLE COATINGS
HIGH COMPRESSION STRENGTH
NON CRACK BRIDGING
PU - TECHNOLOGY
FLEXIBLE TO HARD COATINGSYSTEMS
CRACK-BRIDGING; TOUGH;ABRASION RESISTANT
SENSITIVE REGARDINGAPPLICATION CONDITIONSAND - FAILURES
EP - TECHNOLOGY
GENERAL PURPOSE SYSTEMS
HARD, NON - FLEXIBLE COATINGS
HIGH COMPRESSION STRENGTH
NON CRACK BRIDGING
COMPARISON OF TECHNOLOGIES