product and application overview - lambson
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Productand ApplicationOverviewLeading the way inproduct innovation
Lambson Limited: Clifford House, York Road, Wetherby, West Yorkshire, LS22 7NS, UKTel: +44 (0) 1937 840150 Fax: + 44 (0) 1937 840151 sales@lambson.com www.lambson.com
The information provided in these notes is given in good faith and is based on the information available at thetime of writing. Lambson Limited cannot be held responsible for any claims for loss or damage arising out of
the application of this information or any part of it.
Edition # 2 published February 2018
5364 SpeedCure Application Overview 16pp A4 Awk.qxp 30/01/2018 16:13 Page 1
Type I Photoinitiators
Product Chemical Name
CAS
Num
ber
Mol
ecul
ar W
eigh
t / g
mol
-1
Peak
Abs
orba
nce
/ nm
Trip
let E
nerg
y /
kcal
mol
-1
SpeedCure 73 2-hydroxy-2-methyl-1-phenylpropanone 7473-98-5 164.4 244,
330 71.4
SpeedCure 84 1-hydroxycyclohexyl phenyl ketone 947-19-3 204.3 244, 330 66.8
SpeedCure 2959 1-[4-(2-hydroxyethoxy)-phenyl]-2-hydroxy-2-methyl-1-propane-1-one 106797-53-9 224.3 219,
275 70.6
SpeedCure BKL 2,2-dimethoxy- 2-phenylacetophenone 24650-42-8 256.3 253, 325 66.2
SpeedCure XFs Oligo[2-hydroxy-2-methyl-1-[4-(1-methylvinyl)phenyl]propanone] & 2-hydroxy-2-methyl-1-phenylpropanone
163702-01-0 & 7473-98-5 252 N/A
SpeedCure XFS01 Oligo[2-hydroxy-2-methyl-1-[4-(1-methylvinyl)phenyl]propanone] 163702-01-0 258 70.2
SpeedCure 97 2-methyl-1-[4-(methylthio)phenyl]2-morpholinopropan-1-one 71868-10-5 279.4 306 61
SpeedCure BDMB 2-Benzyl-2-dimethylamino-4-morpholinobutyrophenone 119313-12-1 366.5 321 60.0
SpeedCure TPO 2,4,6-trimethylbenzoyldiphenylphosphine oxide
75980-60-8 348.4 267, 298 61.0
SpeedCure TPO-L Ethyl (2,4,6-trimethylbenzoyl) phenyl phosphinate 84434-11-7 316.3
268, 274, 290
ca. 61.0
SpeedCure BPO Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide 162881-26-7 418.5 281 60.9
SpeedCure XKm Ethyl (3-benzoyl-2,4,6-(trimethylbenzoyl) (phenyl)phosphinate
1539267-56-5 420 247, 364
ca. 60-61
Product and Application Overview
Mel
ting
Poin
t / °C
Phys
ical
For
m
Phot
oble
achi
ng
Surf
ace
Cure
Dept
h Cu
re
Clea
r Coa
tings
Pigm
ente
d Sy
stem
s
Whi
te S
yste
ms
Wat
er B
ased
Sys
tem
s
LED
Low
Mig
ratio
n
Low
Odo
ur
Low
Yel
low
ing
N/A Liquid
Acetopnenones
46-50 Powder
86-90 Powder
64-69 Powder
N/A Liquid
N/A Liquid
Powder
Aminoacetopnenones
110-119 Powder
87-94 Powder
Phosphine Oxides
Liquid Powder
125-135 Powder
85-92 Powder
5364 SpeedCure Application Overview 16pp A4 Awk.qxp 30/01/2018 16:13 Page 3
Type II Photoinitiators
Product Chemical Name
CAS
Num
ber
Mol
ecul
ar W
eigh
t / g
mol
-1
Peak
Abs
orba
nce
/ nm
Trip
let E
nerg
y /
kcal
mol
-1
SpeedCure BP Benzophenone 119-61-9 182.2 252 69.1
SpeedCure MBP 4-methylbenzophenone 134-84-9 196.3 259 69.2
SpeedCure 500 1-hydroxycyclohexyl phenyl ketoneand benzophenone
947-19-3& 119-61-9 249 N/A
SpeedCure MBB Methyl-2-benzoylbenzoate 606-28-0 240.3 246 69.1
SpeedCure BEM Benzophenone, 2-methylbenzophenone,4-methylbenzophenone
119-61-9,131-58-8
& 134-84-9 254 N/A
SpeedCure EMK 4,4'-bis(diethylamino)benzophenone 90-93-7 324.5 250, 378 63
SpeedCure BMS 4-benzoyl- -methyldiphenyl sulphide 83846-85-9 304.4 246,315 60
SpeedCure PBZ 4-phenylbenzophenone 2128-93-0 258.3 290 60.7
SpeedCure 2-ITX 2-isopropylthioxanthone 5495-84-1 254.3 259, 383 61.4
SpeedCure CPTX 1-chloro-4-propoxythioxanthone 142770-42-1 304.8 257, 314, 389
60.3
SpeedCure DETX 2,4-diethylthioxanthone 82799-44-8 268.3 261, 291, 386
61.4
SpeedCure MBF Methylbenzoylformate 15206-55-0 164.2 253, 325 59.5
Product and Application Overview
Mel
ting
Poin
t / °C
Phys
ical
For
m
Phot
oble
achi
ng
Surf
ace
Cure
Dept
h Cu
re
Clea
r Coa
tings
Pigm
ente
d Sy
stem
s
Whi
te S
yste
ms
Wat
er B
ased
Sys
tem
s
LED
Low
Mig
ratio
n
Low
Odo
ur
Low
Yel
low
ing
47-51 Powder
Benzophenones
55-58 Flakes
N/A Liquid
48-54 Powder
ca.10 Liquid
92-96 Solid
75-85 Powder
99-103 Powder
74-78 Powder Thioxanthones
99-104 Powder
68-75 Powder
N/A Liquid
Benzoylformate
5364 SpeedCure Application Overview 16pp A4 Awk.qxp 30/01/2018 16:13 Page 5
Polymeric Photoinitiators
Product Chemical Name
CAS
Num
ber
Mol
ecul
ar W
eigh
t / g
mol
-1
Peak
Abs
orba
nce
/ nm
Polymeric thioxanthone 1258512-68-3 ca. 800 305, 385
SpeedCure 7005 Polymeric benzophenone 1003567-82-5 & 1003557-16-1 ca. 1200 245,
309
SpeedCure 7010 Polymeric thioxanthone 1003567-83-6 ca. 1800 257, 312, 383
SpeedCure 7010-L Polymeric thioxanthone in TMPTA 1003567-83-6 & 28961-43-5 ca. 1800
257, 312, 383
SpeedCure 7040 Polymeric amine synergist 1003567-84-7 & 1003557-17-2 ca. 1050 228,
311
SpeedCure XFLM01 Polymeric benzophenone, thioxanthone and amine blend Blend Blend 255,
310
Product and Application Overview
Trip
let E
nerg
y /
kcal
mol
-1
Mel
ting
Poin
t / °C
Phys
ical
For
m
Phot
oble
achi
ng
Surf
ace
Cure
Dep
th C
ure
Clea
r Coa
tings
Pigm
ente
d Sy
stem
s
Whi
te S
yste
ms
Wat
er B
ased
Sys
tem
s
LED
Low
Mig
ratio
n
Low
Odo
ur
Low
Yel
low
ing
ca. 60-61.5 Broad Powder
ca. 60.9 N/A Liquid
ca. 60.3 Broad Powder
ca. 60.3 N/A Liquid
N/A N/A Liquid
N/A N/A Liquid
5364 SpeedCure Application Overview 16pp A4 Awk.qxp 30/01/2018 16:13 Page 7
Formulated Products
Amine Synergists Product
Chemical Name
CAS
Num
ber
Mol
ecul
ar W
eigh
t / g
mol
-1
Peak
Abs
orba
nce
/ nm
SpeedCure BEDB 2-butoxyethyl-4-(dimethylamino)benzoate 67362-76-9 265.4 311
SpeedCure DMB 2-(dimethylamino)ethylbenzoate 2208-05-1 193.2 229, 273
SpeedCure EDB Ethyl-4-(dimethylamino)benzoate 10287-53-3 193.2 228, 310
SpeedCure EHA 2-ethylhexyl-4-(dimethylamino)benzoate 21245-02-3 277.4 227,
310
SpeedCure EMK 4,4'-bis(diethylamino)benzophenone 90-93-7 324.5 250, 378
Product and Application Overview
Trip
let E
nerg
y /
kcal
mol
-1
Mel
ting
Poin
t / °C
Phys
ical
For
m
Phot
oble
achi
ng
Surf
ace
Cure
Dept
h Cu
re
Clea
r Coa
tings
Pigm
ente
d Sy
stem
s
Whi
te S
yste
ms
Wat
er B
ased
Sys
tem
s
LED
Low
Mig
ratio
n
Low
Odo
ur
Low
Yel
low
ing
N/A N/A Liquid
N/A N/A Liquid
N/A N/A Liquid
N/A N/A Liquid
Product
Chemical Name
CAS
Num
ber
Mol
ecul
ar W
eigh
t / g
mol
-1
Peak
Abs
orba
nce
/ nm
SpeedCure XFc PI blend for clear coatings Proprietary blend Blend 248
SpeedCure XFd PI blend for pigmented systems Proprietary blend Blend
259, 304, 385
SpeedCure XFe PI blend for electronics and inks Proprietary blend Blend 256
SpeedCure XFw PI blend for whites Proprietary blend Blend 247
Trip
let E
nerg
y /
kcal
mol
-1
Mel
ting
Poin
t / °C
Phys
ical
For
m
Phot
oble
achi
ng
Surf
ace
Cure
Dept
h Cu
re
Clea
r Coa
tings
Pigm
ente
d Sy
stem
s
Whi
te S
yste
ms
Wat
er B
ased
Sys
tem
s
LED
Low
Mig
ratio
n
Low
Odo
ur
Low
Yel
low
ing
N/A Liquid Liquid
N/A Liquid Liquid
N/A 62-68 Solid
N/A Liquid Liquid
63 92-96 Solid
5364 SpeedCure Application Overview 16pp A4 Awk.qxp 30/01/2018 16:13 Page 9
Speciality Photoinitiators
Product Chemical Name
CAS Num
ber
Molecular
Weigh
t / g
mol-1
Peak
Absorba
nce / nm
SpeedCure BCIM 2-(2-chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenyl-2H-imidazol-2-yl]-4,5-diphenyl-1H-imidazole 7189-82-4 659 264
SpeedCure VLT 5-cylcopentadienyl)-bis(2,6-difluoro-3-[1
pyrrol-1-yl]-phenyl)titanium 125051-32-3 534.4 391, 462
SpeedCure 8001 1-[4-(phenylthio)phenyl]-3-cyclopentylpropane-1,2-dione-2-(O-benzoyloxime) 1206525-75-8 443.6 331
SpeedCure 8002 1-[9-ethyl-6-(2-methylbenzoyl)-9H-carbazol-3-yl]-3-cyclopentylpropanone-1-(O-acetyloxime) 1227375-90-7 494.6 340
SpeedCure PDO 1-phenyl-1,2-propanedione-2-(O-ethoxycarbonyl)oxime 235.3 259
SpeedCure EAQ 2-ethylanthraquinone 84-51-5 236.27 256, 327
Product and Application Overview
Application Areas
SpeedCure BCIM is often used with leuco dyes for direct write laser imaging or with H-donor coinitiators such as thiols to initiate acrylate systems.
SpeedCure VLT is used in visible light curing, thick coatings, high resolution microelectronics, polyimide formulations and LED 3D printing.
SpeedCure 8001 is a mid-wavelength absorbance type I photoinitiator used in the electronics sector for colour resists, imaging, production of screens and polyimide potting.
SpeedCure 8002 is a long wavelength absorbance type I photoinitiator used in the electronics sector for colour resists, imaging, production of screens and polyimide potting.
SpeedCure PDO is a very efficient short wavelength absorbance type I photoinitiator. It is used almost exclusively in imaging applications in electronics.
SpeedCure EAQ abstracts hydrogens from the resin backbone of esters and urethanes and does not require an amine synergist. It is widely used in electronics for acid resists where amines cannot be tolerated. It can also be used as a sensitiser for other photoinitiators.
5364 SpeedCure Application Overview 16pp A4 Awk.qxp 30/01/2018 16:14 Page 11
Cationic Photoinitiators
Product Chemical Name
CAS Num
ber
Molecular
Weigh
t / g
mol-1
Peak
Absorba
nce / nm
SpeedCure 937 Bis(4-dodecylphenyl)iodonium hexafluoroantimonate in 71786-70-4 853.5 230
SpeedCure 938 Bis-(4-t-butylphenyl)-iodonium hexafluorophosphate 61358-25-6 538.29 241
SpeedCure 938D Bis-(4-t-butylphenyl)-Iodonium hexafluorophosphate in iglycidyl ether
61358-25-6 & 2425-79-8 538.29 241
SpeedCure 939 4-isopropyl-4'-methyldiphenyliodoniumtetrakis(pentafluorophenyl)borate 178233-72-2 1016.25 258
SpeedCure 976
(sulfanediyldibenzene-4,1-diyl)bis(diphenylsulfonium) bis(hexafluoroantimonate) in propylene carbonate
89452-37-9 & 108-32-7 1028.3 279,
291
SpeedCure 976S (sulfanediyldibenzene-4,1-diyl)bis(diphenylsulfonium) bis(hexafluoroantimonate)
89452-37-9 1028.3 278, 292
SpeedCure 976D
(sulfanediyldibenzene-4,1-diyl)bis(diphenylsulfonium) bis(hexafluoroantimonate) in a diglycidyl ether
89452-37-9 & 2425-79-8 1029.3 278,
291
SpeedCure 992
(4-{[4-(diphenylsulfanylium)phenyl] sulfanyl}phenyl)diphenylsulfonium bishexafluorophosphate in propylene carbonate
74227-35-3 & 108-32-7 846.74 231,
300
Product and Application Overview
Triplet E
nergy / k
cal m
ol-1
Meltin
g Po
int /
°C
Physical
Form
Photob
leaching
Surface Cu
re
Depth Cu
re
Clear C
oatin
gs
Pigm
ented System
s
White
Systems
Low
Odo
ur
Low
Yellowing
ca. 63 50%
active liquid
50% active liquid
Iodonium Salts
ca. 63 140-180 Powder
ca. 63 40%
active liquid
40% active liquid
ca. 63 120-133°C Powder
ca. 75 50%
active liquid
50% active liquid
Sulfonium Salts
ca. 76 Broad 150-190 Powder
ca. 77 35%
active liquid
35% active liquid
ca. 75 40%
active liquid
40% active liquid
5364 SpeedCure Application Overview 16pp A4 Awk.qxp 30/01/2018 16:14 Page 13
Resins
Product and Application Overview
Product Chemical Name
CAS N
umbe
r
Molecular
Weigh
t / g mol-1
Viscosity
/ mPa
.s at
25°C
UviCure S105 UviCure S105E
7-oxabicyclo[4.1.0]hept-3-ylmethyl 7-oxabicyclo[4.1.0]heptane-3-carboxylate
2386-87-0 252.3 200-350
UviCure S128 Bis((3,4-epoxycyclohexyl)methyl) adipate 3130-19-6 366.4 500-650
UviCure S130 3-ethyloxetane-3-methanol 3047-32-3 116.2 15-25
UviCure S140 3-ethyl-3-[(phenylmethoxy)methyl]-oxetane 18933-99-8 206 5-15
UviCure S150 1,4-bis[(3-ethyl-3-oxetanylmethoxy)methyl]benzene 142627-97-2 ca.
334 130-170
UviCure S160 4,4-Bis(3-ethyl-3-oxetanyl)methoxymethyl]biphenyl 358365-48-7 410 ca. 250
(@50 )
UviCure S170 3-Ethyl-3-(Methacryloyloxy)Methyloxetane 37674-57-0 184 2-10
Application Areas
UviCure S105 is a difunctional cycloaliphatic epoxide resin which gives clear, hard, glossy coatings.
Cycloaliphatic epoxides
UviCure S128 is an adipate based difunctional cycloaliphatic epoxide resin which can be used alone or as an additive in S105 based formulations to increase the flexibility of a cured coating.
UviCure S130 is an alcohol functional mono oxetane. It is used as a reactive diluent in cationic formulations and will increase curing speed and adhesion.
Oxetanes
UviCure S140 is a low viscosity monofunctional oxetane suitable for cationic formulations. It will reduce the viscosity of resin formulations and give added flexibility to a cured coating.
UviCure S150 is a difunctional aromatic oxetane which can be used as an additive in cationic formulations to increase hardness, chemical resistance and thermal resistance.
UviCure S160 is an aromatic difunctional oxetane which can be used in cationic formulations to give cured films with high chemical resistance, mechanical strength and minimised shrinkage. UviCure S170 is a low viscosity oxetane-methacrylate hybrid resin which can be used in epoxide/acrylate hybrid curing systems which can give superior properties to either system used alone.
5364 SpeedCure Application Overview 16pp A4 Awk.qxp 30/01/2018 16:14 Page 15
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