introduction for bayer polyurethane product - floor coatings

BMS EMEA SCO CM Building Chemicals • October 2004 • Seite 1

Building Chemicals - General Introduction

Training October 2004

Gerhard Ruttmann

BMS CAS EMEA SCO CM Building Chemicals • Ruttmann • Oktober 2004 • Seite 2

TABLE OF CONTENTS:TABLE OF CONTENTS:

� Fields of applications

� Requirements

� Typical build up

� Technologies -ProductionApplication

INTRODUCTIONINTRODUCTION

BMS CAS EMEA SCO CM Building Chemicals • Ruttmann • Oktober 2004 • Seite 3

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

BMS CAS EMEA SCO CM Building Chemicals • Ruttmann • Oktober 2004 • Seite 14

- 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

BMS CAS EMEA SCO CM Building Chemicals • Ruttmann • Oktober 2004 • Seite 17

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