Sartomer Products for
Electronic Applications
TABLE OF CONTENTS
Introduction ................................................................................................................ 3
Overview of Sartomer’s Product Lines for Electronics ................................................. 4
Sartomer Product Lines & Electronic Applications ....................................................... 5
Photoresists ................................................................................................................ 6
Solder Masks ............................................................................................................. 7
Circuit Boards ............................................................................................................ 8
Etch Resists ................................................................................................................ 9
Printing Plates ............................................................................................................. 10
Stereolithography ........................................................................................................ 11
Potting Compounds & Encapsulants ............................................................................ 12
Safety, Storage & Handling ......................................................................................... 13
INTRODUCTION
Sartomer Company offers several product lines that are beneficial for electronic markets and
offer improved performance properties in diverse electronic applications which include:
� Photoresists
� Solder masks
� Printing Plates
� PWB’s
� Resists and Coatings
� Stereo Lithography
� Circuit Boards
� Potting Compounds and Encapsulation
� Liquid Crystal Displays (LCD)
� Plasma Display Panels (PDP)
� Light Emitting Diodes (LED)
� Organic Light Emitting Diodes (OLED)
This brochure explores the practical benefits of Sartomer’s varied product lines and assists in
product selection. Sartomer’s product lines include acrylate and methacrylate monomers and
oligomers, photoinitiators and resins, which include our Norsolene hydrocarbon resins, SMA Resins,
and polybutadiene based materials.
This brochure will assist in choosing materials that will enhance the performance properties of
electrical applications.
3
Overview of Sartomer’s Product Lines for Electronics
Sartomer has a broad product line of monomers, wetting. Sartomer’s Metallic Acrylate Oligomers
oligomers, photoinitiators, metallic coagents, resins, provide adhesion and ionic crosslinking. Epoxy
and other specialty chemicals. (Meth)Acrylate Oligomers offer fast cure, high gloss,
and hardness. Adhesion Promoting Oligomers allow
Sartomer offers monomers with functionalities from good adhesion performance, provide ease of handling
one to six for radiation and peroxide cure systems. and offer high peel strength.
Sartomer’s monofunctional (meth)acrylic esters are
Sartomer’s Styrene Maleic Anhydride, SMA®
non-crosslinkable, low-viscosity monomers which
function as reactive diluents. Difunctional (meth) Resins, are multi-functional resins used in many
acrylics offer a good balance of low viscosity, fast applications for improving heat resistance, gloss,
reactivity and crosslink density properties. Trifunctional dispersing pigments, stabilizing emulsions, and sizing
monomers are highly reactive monomers that offer properties of paper.
high crosslink density properties. Tetra- and penta-
functional monomers are highly reactive monomers Various polybutadiene resin sold under the
tradenames Poly bd®, Ricon® Resins and Krasol®
that offer high crosslink density properties to radiation
and peroxide cure systems. Most monomers are products are available from Sartomer and include
available to meet specific customer requirements. polybutadiene homo-polymers, copolymer and
Water dispersible monomers are soluble or partially derivatives. Included in this product line are low vinyl
soluble in water. Adhesion promoting monomers homopolymers of butadiene, medium vinyl homo-
improve adhesion to substrates such as metals and polymers of butadiene, high vinyl homopolymers of
plastics. butadiene, hydroxyl terminated polybutadiene resins,
hydrogenated hydroxyl-terminated polyolefins,
Oligomers from Sartomer include several different random copolymers of butadiene and styrene, low vinyl
chemistries. Urethane (meth)acrylate oligomers are maleinized polybutadiene, isocyanate-terminated
high performance oligomers for radiation and peroxide butadiene prepolymers, and adhesion promoting
curing. Sarcryl® Functional Acrylic Oligomers improve butadiene polymers.
adhesion and assist in pigment dispersion. Amine
Modified Polyetheracrylate Oligomers are highly Sartomer can tailor make new types of monomers,
reactive and can be used as sole binders or with other oligomers, and resins to meet your specific
monomer diluents or oligomers. Sarbox® Specialty requirements. We have the capability to produce
Oligomers are aromatic acid methacrylate half ester laboratory, pilot plant and commercial size batches of
and aromatic acid acrylate half ester blends in solvent these new materials.
or monomer. Low Viscosity Oligomers are low
viscosity materials which offer excellent overall Please contact your Sartomer representative to obtain
property enhancement. Polyester Acrylate Oligomers additional information.
are designed for fast cure, flexibility, and pigment
4
Sartomer Product Lines and Electronic Applications
Applications
Potting
Photoresists (dry Solder Printing Stereo- Circuit Etch compounds and Liquid Crystal Plasma Display Panels Organic Light Emitting Diodes
Sartomer Product Line film and liquid) masks plates lithography boards Resists encapsulation Displays (LCD) (PDP) (OLED)
7 8 11 12 9 10 13 14 14 14
Discussion page
Monomers � � � � � � � �
Oligomers � � � � � � � �
Ricon Resins � � �
SMA Resins � �
Poly bd Resins � �
Krasol Resins �
5
Photoresists
types of (meth)acrylates to give the necessary curing
Photoresists need components that offer fast film
speed and chemical resistance as well as SMA® and
formation but also ingredients that give fast, clean
Sarbox® copolymers that yield fast clean developing.
developing. In addition the cured film must have high
Tg and chemical resistance. Sartomer offers many
Tg
Product Type Functionality Property
(oC)
(meth)acrylates for photoresists
SR454 EO3TMPTA 3 -40* Fast cure, highest chemical resistance
SR9036 EO30BADMA 2 -43* Chemical resistance/Developing balance
SR480 EO10BADMA 2 -1* Chemical resistance/Developing balance
SR644 PPGDMA 2 -5* Chemical resistance
Tack free, chemical resistance, high
SR306 TPGDA 2 62*
hardness
SR541 EO6BADMA 2 54* Chemical resistance/Developing balance
SR351 TMPTA 3 62* Fast cure, high Tg, chemical resistance
SR9045 Acrylate ester 2 -52* Chemical resistance, flexibility
Sarbox® Specialty oligomers for photoresists
Aromatic Acid Acrylate
Sarbox® SB404 152+
Neat AV = 145 Developing speed, UV curable
half ester/PMA
Aromatic Acid Acrylate Developing speed,
Sarbox® SB405 26+
Neat AV = 94
half ester/PMA UV curable, flexibility
Aromatic Acid Acrylate Developing speed,
Sarbox® 510E35 148+
Neat AV = 185
half ester/SR454 UV curable
Aromatic Acid Acrylate Developing speed,
®
62+
Sarbox 520A20 Neat AV= 179
half ester/SR306 UV curable
SMA® Resins for photoresists
Developing speed,
SMA® 17352 125+
SMA Ester AV = 270
high Tg, hardness
SMA® 2625 110+
SMA Ester AV =220 Developing speed, high Tg
* = Tg of UV cured film
+
= Tg on product “as is�, uncured
6
Solder Masks
Solder mask formulations need many high perfor- Sartomer offers many types of (meth)acrylate
mance properties including high Tg, high refractive monomers and oligomers to meet this demanding
index, fast surface/through cure, and high resolution. combination of properties.
Tg (oC)
Product Type Functionality Property
(meth)acrylates monomers for solder masks
SR295 PETA 4 103* High Tg, cure speed
SR348 EO2BADMA 2 6* High refractive index
SR368 THEICTA 3 272* Hardness, high Tg
SR833S TCDDMDA 2 185* Hardness, high Tg, high modulus
SR349 EO3BPADA 2 67* Hardness, high Tg
SR399 PEPA 5 90* Hardness, high Tg
SR9041 Pentaacrylate ester 5 102* Hardness, high Tg
Oligomers for solder masks
CN929 Urethane acrylate 3 17* High mechanical properties
Aromatic acid acrylate
Sarbox® SB404 152+
8-12 Strippable, excellent adhesion
half ester/PMA
Fast cure, chemical resistance,
CN112C60 Epoxy novolac acrylate 3.6 60*
hardness
CN9008 Urethane acrylate 3 84* High mechanical properties
Poly bd® resins for solder masks
Poly bd® Hydroxy functional
-80+
2.5 Flexibilizer
Poly bd®
R45 HTLO
* = Tg of UV cured film
+
= Tg on product “as is�, uncured
7
Circuit Boards
Sartomer offers SMA® resins and Ricon® resins for
Circuit boards require high Tg and chemical
resistance combined with low dielectric loss properties. this application.
Tg (oC)
Product Type Functionality Property
SMA® Resins for circuit boards
SMA® 3024 141+ Higher Tg, higher mw version of SMA® EF30
S:MA = 3:1 Resin 8 - 12
SMA® EF-30 125+
S:MA = 3:1 Resin 8 - 12 High Tg, low dielectric loss, epoxy crosslinker
SMA® EF-40 115+
S:MA = 4:1 Resin 8 - 12 High Tg, low dielectric loss, epoxy crosslinker
SMA® EF-60 107+
S:MA = 6:1 Resin 8 - 12 High Tg, low dielectric loss, epoxy crosslinker
SMA® EF-80 104+
S:MA = 8:1 Resin 8 - 12 High Tg, low dielectric loss, epoxy crosslinker
Ricon® Resins for circuit boards
Styrene grafted
Ricon® 250 N/A --- Very low dielectric loss, peroxide curable resin
Polybutadiene
High vinyl
Ricon® 153 -22+
N/A Very low dielectric loss peroxide curable resin
Polybutadiene
High vinyl
®
-14+
Ricon 154 N/A Very low dielectric loss peroxide curable resin
Polybutadiene
+
= Tg on product “as is�, uncured
8
Etch Resists
Etch resists require fast cure and good, clean developing.
Tg (oC)
Product Type Functionality Property
Monomers for etch resists
SR9036 EO30BADMA 2 -43* Developing Speed
SR454 EO3TMPTA 3 -40* Hardness
SR480 EO10BPADA 2 -1* Developing Speed
CD560 Alkoxylated HDDA 2 2* Toughness
SR9051 Trifunctional acid ester 3 41* Adhesion
SR9003 PO2NPGDA 2 32* Toughness, Flexibility
Oligomers for etch resists
Sarbox® Aromatic acid acrylate
62+
AV= 179 Developing Speed, UV curable
SB520A20 half ester in SR306
Aromatic acid acrylate
Sarbox® SB404 152+
half ester in PM acetate 8-12 Developing Speed, Cure Speed
solvent
* = Tg of UV cured film
+
= Tg on product “as is�, uncured
9
Printing Plates
Printing plates need to be flexible and yet still have offers acrylates that have a combination of flexibility
and chemical resistance. Also, the Ricon® resins are
good chemical resistance. In addition they must be
easily wet out by inks and fountain solutions. Sartomer also used as flexibilizers.
Tg (oC)
Product Type Functionality Property
Monomers for printing plates
SR238 HDDA 2 43* Fast cure, diluent, hard
SR239 HDDMA 2 30* Diluent, hard
SR350 TMPTMA 3 27* Crosslinker, diluent, high Tg
SR313A Lauryl methacrylate 1 -28* Flexible
SR604 PGMA 1 72* Diluent
SR504 EO 4-NPA 1 -27* Flexible, diluent
SR256 2-EHEA 1 -54* Flexible, diluent
SR344 PEG400-DA 2 -25* Flexible, diluent
SR499 PO 6 TMPTA 3 -8* Flexible, diluent
SR335 Lauryl Acrylates 1 -30* Hydrophobic, flexible
SR399 DiPEPA 5 90* Hard, fast cure
SR9003 PONPGDA 2 32* Flexible, tough
SR231 DEGDMA 2 66* High Tg, diluent
SR209 EGDMA 2 -8* High Tg, diluent
SR242 IDMA 1 - Hydrophobic
SR9035 EO 15 TMPTA 3 -32* Flexible, hydrophilic
SR502 EO 9TMPTA 3 -19* Flexible, hydrophilic
SR203 TMFMA 1 23* Diluent, adhesion
SR252 PEG (600) DMA 2 -39* Flexible, hydrophilic
SR205 TEGDMA 2 -8* Toughness, diluent
SR9036 EO 30BPADMA 2 -43* Flexible, hydrophilic
SR350 TMPTMA 3 27* Hard, diluent
SR480 EO 10TMPTMA 2 -1* Flexible, hydrophilic
SR348 EO 2BPADMA 2 6* High Tg
SR349 EO 3BPADA 2 67* Toughness
CD277 Acrylate ester 1 31* Diluent
CD278 DEGBEA 1 58* Flexible, diluent
CD501 PO 6 TMPTA 3 21* Flexible, diluent
Polybutadiene based products for printing plates
Ricon® 134 -67 +
Low vinyl polybutadiene
Ricon® 142 -74 +
Medium vinyl polybutadiene
Ricon® 150 -38 +
High vinyl polybutadiene
CN301 Acrylated polybutadiene 2.5 -17* Hydrophobic
CN303 Polybutadiene Dimethacrylate 2.5 -70 Hydrophobic
CN307 Polybutadiene Dimethacrylate 2.0 -17** Hydrophobic
Ricacryl® 3500 Acrylated Ricon resin 6.0 Hard, fast
Oligomers for printing plates
Aliphatic urethane acrylate
CN964E75 2 66* Toughness
blended with 25% SR454
* = Tg of UV cured film
+
= Tg on product “as is�, uncured
** = Tg tested using DMA
10
Stereolithography
Products that give low shrinkage, high hardness and offers urethane acrylates, fast curing monomers and
toughness are needed in stereolithography. Sartomer hyperbranched polyester oligomers for this application.
Tg (oC)
Product Type Functionality Property
Monomers for stereolithography
SR348 EO2BADMA 2 6* Low shrinkage
SR349 EO3BADA 2 67* Fast cure, low shrinkage
SR506A IBOA 1 88* High Tg, high hardness
CN2302 Polyester dendrimer 74* Low shrinkage, high hardness, fast cure
SR399 PEPA 5 90* Fast cure, hardness
CN133 LV Triacrylate Olig 3 60* Fast cure, hardness, low shrinkage
CD420 TMCHA 1 30* Low odor, excellent surface cure
SR531 CTMPFA 1 32* Fast cure, flexibility, excellent surface cure
SR833S TCDOMDA 2 - Fast cure, hardness, high Tg
CD536 Acrylate Ester - Fast cure, hardness
Oligomers for stereolithography
CN991 Urethane acrylate 2 27* Toughness, flexibility
CN981B88 Urethane acrylate 2 28* Toughness, flexibility
CN9009 Urethane acrylate 2 40* Low shrinkage, toughness, flexibility
CN996 Urethane acrylate 2 8* Flexibility, Cure speed
* = Tg on UV cured film
11
Potting Compounds and Encapsulants
Poly bd® and Ricon® Resins are used in electrical of ease of handling, superior electrical insulating
properties, minimal curing exotherm, excellent low
encapsulation and potting formulations to provide
temperature ductility and stability in hot, humid
excellent hydrophobicity, low temperature ductility,
environments, Poly bd® and Ricon® Resins systems
retention of properties during thermal cycling and low
embedment stress properties. Through a combination outperform other materials.
Tg(oC)
Product Type Functionality Property
Polybutadiene based resins
Poly bd® R45HTLO -75+
Polybutadiene Water resistance, re-enterable
Ricon® 130 MA8 Maleinized poly butadiene - Water resistance, re-enterable
Ricon® 131MA5 Maleinized poly butadiene - Water resistance, re-enterable
+
= Tg on product “as is�, uncured
12
Safety, Storage, & Handling Information
TOXICOLOGY INFORMATION reported in the published literature for a limited
As with any chemical, the potential health and safety number of products. It is important that skin
hazards associated with Sartomer products should be contact with these products be prevented to
understood to ensure that they are used safely. Review ensure that skin sensitization does not occur.
each product’s Material Safety Data Sheet (MSDS),
which includes specific hazard and precautionary OLIGOMERS:
information, prior to working with these materials. Most epoxy, urethane, and aromatic acid methacrylate
oligomers tend to have low skin and eye irritation
Should you require assistance in an emergency potential. Skin ingestion, absorption and inhalation
situation involving a Sartomer Company product, call hazards are minimized because of their higher molecular
us at 610-692-8401, twenty-four hours a day. weights compared to most monomers. However,
oligomers may be supplied as blends with monomers
MONOMERS: or solvents, therefore, the hazards of monomers and
- Skin & Eye Irritation: These products range from solvents must also be considered when working with
minimally irritating to corrosive in acute animal some oligomers. These hazards will be listed on the
skin and eye irritation tests. Methacrylates are product’s MSDS.
generally less irritating than acrylates with a similar
chemical structure. Alkoxylated products are also STYRENE-MALEIC ANHYDRIDE RESINS:
Some Styrene-Maleic Anhydride (SMA®) products
generally less irritating than their non-alkoxylated
counterparts. Monomers may cause redness or are supplied in powdered or flake form � inhalation
rash, swelling and, in severe cases, blistering of dust from handling or processing these products
(burns) if skin contact occurs � the skin irritation may cause irritation of the respiratory tract and other
response will depend on the conditions of exposure mucous membranes. These materials may also cause
and the irritation potential of the product. eye and skin irritation. The degree of irritation varies
Symptoms of skin irritation may be delayed. with each product and ranges from slightly irritating to
severely irritating as demonstrated in animal tests. Some
- Oral Toxicity: These products are typically minimal products elicited no irritation response in these tests.
ingestion hazards, as demonstrated in animal tests. Refer to the product’s MSDS for specific information.
In addition, due to their higher molecular weights, these
- Inhalation Toxicity: Liquid monomers are typically resins are not expected to be ingestion or skin
non-volatile and have high boiling points (> absorption hazards.
150°C); consequently, they do not pose an
SMA® resins supplied as salts in a water solution may
inhalation hazard at room temperature. However,
aerosols or vapors which can be generated from also be irritating to the eyes and skin. In addition,
spraying or heating these materials, respectively, respiratory tract irritation may occur upon exposure
may cause upper respiratory tract irritation if to vapors that are generated during the processing of
inhaled. these materials.
Some SMA® resins are reacted with an alcohol to
- Skin Sensitization: Some of these products have
been shown to be skin sensitizers (substances form an ester. Due to their higher molecular weights,
these SMA® esters are not expected to be ingestion
which cause an allergic skin reaction in susceptible
or skin absorption hazards. However, SMA® esters
individuals after repeated exposure) in animal
tests. Cases of sensitization in workers have been may cause eye, skin and respiratory tract irritation.
13
�
Hazards of the alcohol(s) used to manufacture these Minimize the potential for dust explosion, which
esters must also be considered –the alcohols may be can be associated with handling organic powders,
present in small amounts in the final product(s) and such as the styrene-maleic anhydride resins,
vapors from the alcohol(s) may be released during metallic coagents and solid photoinitiators.
processing. Refer to the product’s MSDS for specific Eliminate and control ignition sources and use
information. good housekeeping practices during storage,
transfer and handling of these products. These
POLY bd®/RICON®/KRASOL® PRODUCTS same practices should also be applied to the
pelletized Norsolene® resins.
These products are polybutadiene and polybutadiene-
based polymers. Due to their higher molecular
weights, these resins are not expected to be ingestion, For Monomers and Oligomers:
� Transfer liquid monomers and oligomers in stainless
inhalation or skin absorption hazards. They may cause
slight eye and skin irritation. In addition, respiratory steel lined hoses. Tygon and other similar plastics
tract irritation may occur upon exposure to vapors that can also be utilized in transferring these materials.
may be generated during processing.
� Avoid localized high temperatures in mixing and
®
Some Krasol products are diisocyanate-based transferal procedures to avoid premature
polybutadiene polymers. These products often contain polymerization of monomers and oligomers.
free residual diisocyanate at very low concentrations.
Diisocyanates are known eye, skin and respiratory GENERAL STORAGE INFORMATION
tract irritants and, more notably, they are skin and All products should be stored indoors, out of direct
respiratory sensitizers. Refer to the product’s MSDS sunlight, under room temperature conditions unless
to review the hazards of a particular product and noted on the MSDS. Products should be stored away
protective measures that can be implemented to handle from incompatible materials such as oxidizers and acids
the product safely. and away from heat, sparks, open flame and other
ignition sources. Contamination with foreign materials,
GENERAL HANDLING PROCEDURES & such as iron or copper must be avoided particularly
PRECAUTIONS when working with monomers and oligomers. Contact
As with all industrial chemicals, it is important to with moisture should also be prevented.
prevent exposure through the use of protective
equipment, proper work practices and engineering All products should be used according the
controls. manufacturer’s instructions including adherence to
shelf-life recommendations.
The following precautions should be observed for
general handling practices: For Monomers and Oligomers:
Monomers, oligomers, amine acrylates and M-Cure®
- ensure a clean, well ventilated work environment;
- avoid skin contact by wearing impervious gloves; products can polymerize prematurely under improper
- wear eye protection such as goggles; storage conditions, hence, storage requirements for
- wear other protective equipment as appropriate; these materials are provided, in part, to prevent
- review the MSDS prior to working with a material. premature polymerization. It is important to maintain a
headspace in the storage containers to support the
� If skin contact does occur, wash affected areas oxygen requirements of the inhibitor(s) and prevent
immediately with soap and water. Rinse thoroughly. contamination of these products with iron or copper.
If eye contact occurs, immediately flush the eye(s) Periodically checking inhibitor levels is also
with clean water for at least 15-20 minutes. Seek recommended. Refer to the product’s MSDS for
medical attention. specific storage recommendations.
14
Refer to the MSDSs for specific storage recommend- procedures for empty steel drums include washing the
ations for all Sartomer products. containers with a strong soap and water solution,
followed by a thorough water rinse. If necessary, a
FIRE HAZARDS & PRECAUTIONS 15% caustic solution followed by a water rinse can be
In the event of a fire, chemical products can become used to further clean containers. All wash and rinse
inhalation hazards � they can be carried by smoke; solutions must be disposed of in accordance with
vapors and combustion products from burning materials federal, state and local regulations.
may be extremely irritating. In the case of monomer
and oligomer products, amine acrylates and M-Cure Properly inhibited monomers, oligomers, metallic
products, heat from a fire may also initiate an coagents, amine acrylates, and M-Cure products are
uncontrolled polymerization, which can cause closed generally not RCRA hazardous wastes. In addition,
containers of these products to rupture, possibly pelletized styrene-maleic anhydride products and
spreading the fire. polybutadiene products are generally not RCRA
hazardous wastes. However, it is the responsibility of
Fire fighters should wear self-contained breathing the waste generator to determine if the product meets
apparatus in addition to eye, face and body protection. the criteria of a hazardous waste at the time of disposal
Extinguish fires with dry chemical, foam, carbon (see 40 CFR 261). Disposal options for these products
dioxide, or water fog and spray from a safe distance include landfilling solids at permitted sites, fuel blending
or protected location. Extinguishing media should be or incinerating liquids. Disposal must comply with
applied gently to styrene-maleic anhydride resins and federal, state and local regulations. Metal recovery
metallic coagents to avoid raising dust clouds, which should be considered for metallic coagents.
can create an explosion risk. Cool fire or heat exposed
containers with water fog or spray from a safe distance. A few Sartomer products are considered RCRA
hazardous wastes. For these materials, the waste
GENERAL DISPOSAL PROCEDURES classification is listed on the product’s MSDS. Refer
Persons handling empty product containers should to the MSDS for a product to determine its waste
wear protective equipment and handle containers in classification. Contact Sartomer if you need additional
an area away from ignition sources because they may information.
contain residual product. Recommended cleaning
15
CorporateHeadquarters
Sartomer Company, Inc.
Oaklands Corporate Center
502 Thomas Jones Way
Exton, PA19341
Tel: 610-363-4100
Fax: 610-363-4140
Cust. Serv.: 800-SARTOMER
E-mail: contact@sartomer.com
Web: www.sartomer.com
For contact information worldwide, please refer to Sartomer's web site at: http://
www.sartomer.com/sales.asp
The information in this bulletin is believed to be accurate, but all recommendations are made without warranty since the conditions of use are beyond SARTOMER Company's
control. The listed properties are illustrative only, and not product specifications. SARTOMER Company disclaims any liability in connection with the use of the information,
and does not warrant against infringement by reason of the use of its products in combination with other material or in any process.
1521 01/08
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