solvay fluor gmbh hans-böckler-allee 20 d-30173...
TRANSCRIPT
![Page 1: Solvay Fluor GmbH Hans-Böckler-Allee 20 D-30173 Hannovertecnologiademateriais.com.br/mt/2010/cobertura...Step 2: exchange Solkane 365/227 stepwise with water to reduce density and](https://reader033.vdocuments.us/reader033/viewer/2022042213/5eb7dfde122def234b69701c/html5/thumbnails/1.jpg)
Solkane® 365mfc based solutions as alternative to HCFC141b
economical, ecological and technical considerations
Solvay Fluor GmbHHans-Böckler-Allee 20D-30173 Hannover
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Physical data - blowing agents in comparison
Blowing agents in foams
Co-Blowing
Safety and handling
Flammability in systems
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Physical properties in comparison
Flammability limits[% by volume]
Structure
Mol.-Weight
Boiling Point [°C]
Vapour pressureat 20 °C [bar]
lambda [gas at 25 °C]
Flash point
HFC-245fa
none
CF3-CH2-CF2H
134
15,3
1,2
12,2
none
HFC-365mfc
3,6 - 13,3
CF3-CH2-CF2-CH3
148
40,2
0,4
10,6
-27
HCFC-141b
7,4 - 17,7
CCl2F-CH3
116,9
31,7
0,6
9,5
none
HFC-134a
none
CF3-CFH2
102
-26,1
5,7
13,4
none
none
HFC-227ea
CF3-CFH-CF3
170
-17,0
3,9
12,7
none
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Physical properties in comparison
Flammability limits[% by volume]
Mol.-Weight
Boiling Point [°C]
Vapour pressureat 20 °C [bar]
lambda at 25 °C[mW/m.K]
Structure
Flash point [°C]
n-pentane
1,4 - 7,8
72
36,1
0,6
15,2
CH3-(CH2)3-CH3
-49
HFC-365mfc
3,6 - 13,3
148
40,2
0,4
10,6
CF3-CH2-CF2-CH3
-27
HCFC-141b
7,4 - 17,7
116,9
31,7
0,6
9,5
CCl2F-CH3
none
c-pentane
1,4 - 8,3
70
49,5
0,35
12,0
-37
1,4 - 8,3
i-pentane
72
27,8
0,8
14,7
CH3-CH-CH2-CH3CH3
-57
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Physical properties in comparison
Flammability limits[% by volume]
Mol.-Weight
Boiling Point [°C]
Vapour pressureat 20 °C [bar]
lambda at 25 °C[mW/m.K]
Structure
Flash point [°C]
Dimethoxymethane(Methylal)
2,2 – 19,9
76
41
0,44
13,1
CH3–O–CH2–O–CH3
-18
HFC-365mfc
3,6 - 13,3
148
40,2
0,43
10,6
CF3-CH2-CF2-CH3
-27
HCFC-141b
7,4 - 17,7
116,9
31,7
0,65
9,5
CCl2F-CH3
none
5 - 23
Methylmethanoate(Methylformiate)
60
32
0,58
10,7
CH3OOCH
-32
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Physical properties in comparison
HCFC-141b HFC-365mfc HFC-245fa n-Pentane c-Pentane Methylal Methylformiate
MW 116.95 148.08 134.05 72 70.14 76 60
Bp 31.7 40.2 15.3 36.1 49.5 41 32 [°C]
k-Factor 9.5 10.6 12.2 15.2 12 13.1 10.7 [mW/m.K]
GWP 725 890 950 3 - 7 11 negligible ~ 1
ODP 0.11 0 0 0 0 0 0
VOC no no no yes yes yes yes
Flammability none yes none yes yes yes yes
LEL 5.6 3.6 - 1.4 1.4 2.2 5 [% by volume]
UEL 17.7 13.3 - 7.8 8.3 19.9 23 [% by volume]
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Toxicology / Notification
Acute Toxicity, LC 50 (rats)
NOAEC chronic
Card.sens. (Threshold)
Mutagenicity
HCFC-141b
62 000 ppm
7,3 g/m3 (2 y)
0,5 %
negative
404-080-1ELINCS – No.:
HFC-365mfc
> 100 000 ppm
90 g/m3 (90 d)
7,5 %
negative
430-250-1
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Commercial available Blends
Flammability Recommendation
Solkane 365mfc flammable Additive for pentane boards
Solkane 365/227 93:7 non flammable Foaming agent for direct production
Solkane 365/227 87:13 non flammable Foaming agent for systems
Product
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Compatibility with materials
After 7 days immersion : (% by weight)
Materials HCFC-141b Solkane 365mfc
PVC 0,77 -0,02PE-HD 7,1 0,37PMMA dissolved 57Polycarbonate 2,3 0,27PP 12,5 0,16Nylon 66 1,87 -0,33PS dissolved 0,19
Neoprene 87 1,02Viton A 46 90,5EPDM 44 1,6Natural rubber 185 7,2Nitril rubber 47 2,5Silicone 110 16,1
Thermoplast ics
Elastomers
-10
0
10
20
30
40
50
60
Cha
nge
[mas
s-%
]
PVC
PE-HD
PMMAPolyc
arbonate PP
Nylon 66 PS
HCFC-141bSolkane 365mfc
diss
olve
d
diss
olve
d
-10
0
10
20
30
40
50
60
Cha
nge
[mas
s-%
]
Neopren
e
Viton A
EPDMNatu
ral ru
bberNitr
il rubber
Silicone
HCFC-141bSolkane 365mfc
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Physical data - blowing agents in comparison
Blowing agents in foams
Co-Blowing
Safety and handling
Flammability in systems
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Solubility of Solkane 365mfc in comparisonHCFC-141b Solkane 365mfc n-pentane c-pentane
PolyetherDaltolac 585-8 complete soluble 32 4,5 11IXOL B251 3 0,3 1,4 2,2IXOL M125 37 5,3 2,1 5,6Tercarol A 350 complete soluble complete soluble 36 complete solubleTercarol RF 55 complete soluble complete soluble 4,5 18Voranol RA 640 complete soluble complete soluble 20 complete soluble
PolyesterRepol 201-28 57 21 2,7 5,4Stepanpol PS 3152 34 31 6,5 6,6Terate 203 32 18 1,3 no dataTerate 2541 42 11 0,1 no data
MiscellaneousTCPP complete soluble complete soluble 10 complete solubleMDI 44 V20 complete soluble 12 4,1 6,6Dipropylene glycole complete soluble complete soluble 13 36
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Strategies to phase out HCFC-141b
Step 1: exchange HCFC-141b with Solkane 365/227 inmolar ratio 117 : 148
Step 2: exchange Solkane 365/227 stepwise with waterto reduce density and adjust Comp. Strength in parallel
Screening of initial lambda values (free rised lab foams)
20
22
24
26
28
0 0.5 1 1.5 2 2.5 3 3.5 420
22
24
26
28
0 0.5 1 1.5 2 2.5 3 3.5 4Amount of Water [pbw in formulation]
lam
bda
[mW
/m.K
]
S 365/227 10 °C S 365/227 24 °C
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Com
pres
sive
str
engt
h [k
Pa]
0
100
24 26 28 30 32 34 36Foam density [kg/m³]
Solkane 365mfc
HCFC-141b
Influence of blowing agent to comp. strength
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Flammability in Foams in ComparisonEN ISO 11925-2 – Ignitability Test (B2)
100
110
120
130
140
150
160
170
Solkane 141b
Solkane 365mfcR 245fa
n-Pentane
Solkane 365mfc/n-C5
Flam
e he
ight
[mm
]
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Ageing of foams in comparison(measuring temperature 24 °C)
18
19
20
21
22
23
24
25
26
0 20 40 60 80 100 120 140 160 180 200Ageing [days]
k-fa
ctor
[mW
/m.K
]
cyclo-pentaneSolkane 141bR 245faSolkane 365mfc
RT 70 °C
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Solkane 365/227 (93:7)Typical performance in application
Density [kg/m3]
Construction
39
20
ElementsDiscont.
32
20,5
ElementsPour-In-Place
49
20,5
Spray
62
21
Application
Lambda initial[mW/m.K, 10 °C]
Lambda initial[mW/m.K, 10 °C]
HCFC-141b
18,6
HFC-365mfc
19,5
S 365mfc/i-pentane
19,8
n-pentane
22,5
LaminatesS 365mfc/R 245fa
19,1
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Best results in practise:
Blowing Agent: Solkane 365/245 60:40
050
100150200
y
xz
[kPa]
250
Core Density: 30 kg/m³Cell Orientation: Lambda (10 °C; initial):
18.5 mW/m.K
Object: cont. PanelFacing: 50 µm Aluminium
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Lambda Behaviour of Solkane 365mfc in ComparisonLong Term
20
21
22
23
24
25
26
27
28
29
30
n-pentane Solkane 365/227
initial42 d RT3 years 70 °C
Lam
bda
[mW
/m.K
; 10
°C]
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R 11R 14
1bR 36
5mfc
n-pen
tane
i-pen
tane
c-pen
tane
CO2
Air
23 °C70 °C
100 900
30 20050 70
13000
30608
10 5 20 7 6
5000
500
0
2000
4000
6000
8000
10000
12000
14000
Relative diffusion coefficient
[x10-14 m²/s]
Diffusion of blowing agents in foams
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Life Cycle Environmental Profile ofWater/CO2 vs HCFC-141b vs Solkane 365mfc
Partners:
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Life Cycle Environmental Profile ofn-Pentane vs HCFC-141b vs Solkane 365mfc
Partners:
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Economic Spray foamAdvantage compared to Water blown Foams
Water/CO2 Solkane 365/227Density [kg/m³] > 40 30-33
Lambda (initial) > 28 19-20
Fire behaviour B 2 B 2
Foam behaviour brittle good
Adhesion medium good
Estimated price/m³ 73 € 68 €
Better foam at lower price
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Physical data - blowing agents in comparison
Blowing agents in foams
Co-Blowing
Safety and handling
Flammability in systems
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Reduction of Density
62,69 €/m³62,49 €/m³
100
110
120
130
140
150
160
170
180
190
30 31 32 33 34 35 36 37Density [kg/m³]
Com
pres
sive
Str
engt
h [k
Pa]
cyclo/iso-pentaneS 365mfc//c/i-pentane 30:70
Remark: each point = average of 10 Tests
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Cost evaluation per m³PIR-system for continuous Steel Sandwich with n-Pentane
Standard Co-Blowing Standard Co-Blowing[pbw] [pbw] [EURO/m³] [EURO/m³]
Component A 82.5 69.3 29.92 28.08
Catalyst 1 3.0 2.5 1.63 1.52Catalyst 2 0.9 0.6 0.82 0.61
n-Pentane 6.5 1.30S 365mfc/n-Pentane (30:70) 6.2 2.85
MDI 124 104 44.90 42.15
Sum 216.7 182.6 78.57 75.21
Density [kg/m³] 39.3 37.0 39.3 37.0
Comp. Strength [kPa]: 120 129
Lambda [mW/m.K]: 21.8 20.9
Difference -3.36 €/m³
Formulation Costs
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Physical data - blowing agents in comparison
Blowing agents in foams
Co-Blowing
Safety and handling
Flammability in systems
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Easy and save handlingSpraying in closed rooms (cellar)
Classification PUR, B 2
Core density [kg/m³] 32.3
Cell gases in foam [mass-%] after 6 days
Air CO2 R 227ea R 365mfc
2.4 21.2 7.5 68.9
Compressive Strength 213 [kPa]
Lambda, initial 19.8 [mW/m.K]
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Emission of Solkane 365mfc during spraying
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0:00 0:28 0:57 1:26 1:55 2:24 2:52 3:21Time [hours]
Con
cent
ratio
n [V
ol.-%
]
Concentration S 365mfcLower Explosion Limit
Dimensions:Square area: ~60 m² Height: ~70 cmOpening (Top): ~70 x 70 cm Foam thickness: ~20 cm
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Emissions during a disk. Panel trial
Lower explosion limit
0,0
0,5
1,0
1,5
2,0
2,5
3,0
3,5
4,0
4,5
5,0
0 20 40 60 80 100 120
Time until closing [%]
Con
cent
ratio
n S
365m
fc [V
ol.-%
]
Form closed
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Physical data - blowing agents in comparison
Blowing agents in foams
Co-Blowing
Safety and handling
Flammability in systems
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Potential flammability suppressants for HFC-365mfc can be⇒ HFC-134a and HFC-227ea, HFC-245fa.
Flammability rating
0250500750
100012501500
72750730007325073500
Propan
eSolka
ne-152
aSolka
ne-365
mfc
HFC-245fa
Solkane-1
34a
Solkane-2
27ea
flammable non flammable
f(ΔG
com
b.,re
actio
n ra
te)
???????
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Evaluation of flashpoint as function of concentration
-10
0
10
20
30
40
50
60
70
0 5 10 15 20 25Concentration Solkane 365/227 93:7 in Polyol [mass-%]
Flas
h Po
int [
°C]
Tercarol A 350 S 365mfc
Tercarol A 350 S 365/227
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Evaluation of flashpoint as function of concentrationof Solkane 365/227 – “flammable window”
Method: EN ISO 13736
-10
10
20
30
40
50
60
70
0 5 10 15Concentration of Blowing Agent [mass-%]
Flas
hpoi
nt [°
C]
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Advantages of Solkane 365mfc
working with a true liquid
flammability in raw materials is solved
best fire behaviour in foams of all physical foaming agents
best insulation value of physical foaming agents includingageing of foam and thus implements the highest effect insaving CO2 for the Environment
low density foams with high dimension stability are standard and save costs