shanghai air care present a ion 2006
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8/6/2019 Shanghai Air Care Present a Ion 2006
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Aug 2006 The Global
Airfreshener Market : Technical Overview
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2 Air Care
Content
Air Care Segmentation
Technical Insights
Fragrance constraints
Best olfactive performance areas
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3 Air Care
Air Care Segmentation
Non Powered products Powered products
ContinousAction
Instant Action
Type of room
Bathroom
Toilet
Kitchen
Type of room
Living area
Bedrooms
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Format Segmentation
Non Powered products Powered products
ContinuesAction
Instant Action
Aerosols
Gels Plug-InsWicks
Candles
Wisp
Membranes
Pump
Sprays
Portables
CirculAir
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5 Air
r
Most important segments: Aerosols, Electric,
Car
Most dynamic segment is Electric
Candles less important than in US
Source : Euromonitor
Product Form shares
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1. Regular Aerosols (Wet)
Technology : Immediate fragrance effect produced by a pressurized container offeringhigh odour impact
Pros : Used when and where required
Large and small spaces
Wide range of fragrances
High impact, high efficacyGood exhaustion signal
Cons : Limited effectiveness with time
Wet formulation
Look all the same (except Air effects)
VOC impact with liquefied propellant
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Regular Aerosols
Formulation :
Technical issues : Fragrance solubility
Gasket swelling
Cans & valve corrosion
Propellants : butane 40 (propane / isobutane)
Filling ratio : 68% base / 32% gaz
Emulsifier 0,4%
Fragrance 0,3%
Sodium nitrite 0,15%
Water to 100%
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Corrosion Problem
Tin Plate Can
Liquid Solution
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2. Concentrated Aerosol (Dry)
Technology : Immediate fragrance effect and effective instant space freshener
produced by a small pressurized container with a dosing valve
Pros : Used when and where required
Large spaces
Very high impact
Long lasting effect (few hours)
Attractive packagings vs traditional aerosols
Cons: VOC impact
Flammability Risk
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Formulation :
Technical issues: Gasket swelling
Fragrance* 40%
Solvent 10%
Propellant (butane) 50%
Lacquered Aluminium can & dosing valves (~100
-150
l)
fragrance dosage from 20 to 95%
Concentrated Aerosol (Dry)
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3. Automatic sprays
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Innovative Designs in Aerosols
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Pressure : Aerosols vs Air wick
Constantpressureovertime
12
4
Pressure(bars)
Pressure decreasesovertime
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Olfactive map
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Where do we have best results with Aerosols ?
Discolouration
issues can arise
with Gourmand /
vanilla / spicy
notes
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1. Gels A/F
Technology : Continuous evaporation of active ingredients from a gel matrix.
Pros : Good performance in small space
Well established format
Low cost
Cons : No clear EOL signal
Fragrance intensity and character change with time
Moderate expiry signal (shrinkage) for Sylvaclear and
CrystalAir
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2. Carageenan Gels
Formulation :
Technical issues: Fragrance solubility
Fragrance loss during manufacturing (T about 70C for few hours)
Syneresis
Carrageenan 2,5%
Fragrance 5%
Emulsifier 6%
Solvent 10%
Preservative 0,15%
Water to 100%
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Heavy PRM
Low Vp
Lack of impact ofcertain PRM
Medium / High
threshold
ingredients
Where do we have best results with
carrageenan gels ?
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Wax Candles
Technology : Use of heat to evaporate fragrance in the air
Pros : Decorative element
Ambiance concept
Large space concept
Wide range of fragrances
Sophisticated designs / packagings possible
Cons : Base odour in some formulations
Fumes in the air
Safety aspect
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Wax Candles
Formulation :
Technical issues : Fragrance solubility
Fragrance / wick interactions (corrosion)
20
Paraffin Wax 50 to 55%
Microcrystalline wax 40%
Fragrance 5 to 10%
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Multiple scents Candles
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Fragrance Constraints in Candles
Fragrance creation: No major technical constraints
To avoid fumes in the air
Citrus / hesperidic notes are difficult to create
Solubility issue with water soluble materials
Choice of solvent (TEC for crystallised materials)
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Where do we have best results with Candles?
Citrus / hesperidic notes are difficult to create
Solubility issue with water soluble materials
Choice of solvent
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Wick based A/F
Formulation :
Wick types : Polyester / Polyolefins / Cellulose / Rattan sticks
Technical issues : Understand the interactions between fragrance ingredients
and capillary systems (wick)
Control the physico-chemical parameters influencing the
volatilty profiles of perfumes
Fragrance 5 to 10%
Alcohol ethoxylated 8 to 12%
Solvents 8 to 20%
Water to 100%
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QUINT
Germany
Emanator : Wood block
Pure essential oils
Cost : 12.95 euros4 variants available
2. Natural wick A/F : Wood
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Where do we have best result with
Liquid Wick?
Heavy PRM
Low Vp
Viscous
ingredients
Lack of impact of
certain PRM
Medium / High
threshold
ingredients
Crystallised
ingredients
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1. Plug-Ins
Technology : By the use of heat, the perfume emanates in the air through a wick from
a liquid reservoir.
Pros : Very good performance (most performing A/F)
Visible end of life signal
Adjustable / Refillable
Multi room usage
Linear diffusion if fragrance well structured
Cons : Technical constraints
Not portable
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Plug-Ins with Fan
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Where do we have best results with Plug-Ins?
Crystallisedingredients
Heavy PRM (Perfumery Raw Materials)
Low Vp
Viscous ingredients
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FAN versus HEAT
Temperature increase influences the vapour pressure of perfumery
raw materials particularly the bottom notes
Heated systems allow a better diffusion of heavier components than
fan driven devices
The best way ensure a good diffusion of bottom notes is the use of
heat
Air flow generated with a fan remains marginal versus convection
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