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omya CaCO3
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30.01.2012
New Generation Calcium Carbonate in
breathable film applications
Gil Morieras Omya International , Switzerland
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
30.01.2012 2
Table of Content
Microporous Breathable Films
Definition
Some historical facts & Market
Size
Asia : A Future Potential market ?
Microporous films
Manufacturing
Film requirements
CaCO3 Requirements
Omyafilm® : A dedicated
product for breathable films
Lab Equipment & Process &
Movie
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Water Barrier Microporous Breathable Films
30.01.2012 3
2 main aims :
• To permit transmission of air and/or water
vapour
• To provide a barrier to liquids
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Water Barrier Microporous Breathable Films
30.01.2012 4
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Microporous Breathable Films : Examples
30.01.2012 5
SEM of film surface
x2500 magnification
x2500 magnification cross section
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Some historical facts & Market Size
30.01.2012 6
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Microporous Breathable Films : Applications
30.01.2012 7
• Hygiene
Infant diapers
Sanitary napkins & panty liners
Adult incontinence products
• Building
Under-tile roofing films
House wraps
Wall and floor covering
• Medical / Clothing
Operating garments
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Asia : A Future Potential Market ?
30.01.2012 8
Europe
Asia
America
Total
50
100
150
200
250
300
350
400
450
500
Standard Films2009 Microporous Films
2009Standard Films
2012 Microporous Films2012
450490
Axi
s Ti
tle
Tho
usa
nd
sMicroporous Breathable Film Volume 2009 vs. 2012
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Microporous Breathable Films : Manufacturing
30.01.2012 9
Compounding
• To disperse uniformly 50-70 % of CaCO3 in a polyolefin matrix
• To produce a batch with a very low humidity content
• Not to damage the CaCO3 or polyolefin chains
Extrusion
• To produce a thin film by casting or blowing
Stretching
• MDO Stretching
• CD and MD Tendering unit • Intermeshing or interdigitating Stretching
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Breathable Films Requirements
30.01.2012 10
• Building Films • Tensile Strength
• Shrinkage
• Hydrostatic Water Pressure
• ASTM E 96
• Depends on
• CaCO3 content
• CaCO3 choice
• Stretching ratio
WVTR Water
Pressure
UV Resistance
Mechanical Properties
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
CaCO3 Requirements
30.01.2012 11
Hydrophobicity
Thermal Stability
Narrow PSD
Whiteness
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
30.01.2012 12
The Omyafilm® Range of Products
A Solution for all Breathable Film Manufacturers
Raw Material Resources for more than 100 Years
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
OMYAFILM : The Solution to Breathability
30.01.2012 13
Special surface treatment
• Hydrophobicity
• Dispersion
• Thermal stability
Steep curve of Granulometry • Finer top cut
• Less fines
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
30.01.2012 14
Marble base
Special grinding system
• Whiteness
• Opacity
• Adequate shape
OMYAFILM : The Solution to Breathability
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Grade Comparison
30.01.2012 15
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
D 50 & D 98 Comparison
30.01.2012 16
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
30.01.2012 17
Omya
Lab Equipment for Customer’s Trials
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
30.01.2012 18
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
30.01.2012 19
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
Cast Film Line with MDO Stretching Unit
30.01.2012 20
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
30.01.2012 21
This document contains proprietary information which shall not be
used and disclosed without Omya explicit written authorization.
30.01.2012 22
Thank You