Technical Data Sheet US Patent 5877254

DESCRIPTION Two part-polyurethane-based thermal cure coating, provides excellent resistance to fogging, scratching, and chemical attack. Visgard consists of cross-linked hydrophilic polymers that cause condensed moisture to spread invisibly rather than forming droplets that appear as fog.

Intended for use on polycarbonate, acrylics, nylon, PVC, PETG, and certain other clear Substrate Materials plastics without primers, where • Acrylic (PMMA) limited cure time is applicable. • Nylon Formulation appropriate for pan- • Polycarbonate (PC) • PVC & PETG fed reverse roll, Meyer rod and • Certain Other Clear Plastics slot die coating methods. Premium Anti-Fog, Abrasion, and Physical Characteristics Chemical Resistance • Excellent Abrasion, Chemical, Part A Part B Impact & Scratch Resistance Product Applications Appearance Colorless to Pale Clear Solution • Water Washable Anti-Fog Amber • Polycarbonate Sheet & Film Properties Density 0.94 g/cc 1.05 g/cc • Motorcycle Visors & Face Shields • Exceptional Optical Clarity • Protective Goggles & Masks Solids Content 28% 68% • Anti-Reflective (A/R) Compati- (by weight) • Ski Goggles ble Solvents Diacetone N-butylacetate/ Alcohol xylene Designed for roll-to-roll coating, delivers best-in- Cyclohexane BENEFITS class abrasion, chemical, impact, and scratch re- Tertiary butanol 2,4- • Can be stored at room tem- sistances, with exceptional optical clarity. Visgard pentanedione perature N-methyl scratch resistance is equal to many commercial ant- pyrrolidone • Streamlines manufacturing, fog scratch finishes. Anti-fog properties are retained enhancing yields and profita- Viscosity 8 — 25 cps 200 — 500 cps after repeated washings and years of use. Many (Brookfield) bility. other anti-fog coatings lose their active ingredient or become saturated and fail after only brief exposure to water.

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Mixing Ratio Suggested Starting Formulations Mix 10 parts A to 4 parts B, by weight (2.8:1 by TRANSPORTATION & volume) ad mix at low speed until homogene- IN-TRANSIT PRODUCT ous. Be sure all compoentns are fully dissolved. Visgard Part A 100 parts CONDITIONS Aloow to stand long enough for all bubbles to Product can be stored in Visgard Part B 40 parts break. ambient conditions during Tertiary Butyl Alcohol 28 parts shipment from FSICT to the This will give clear solution with a low viscosity customer’s site. of 15-20 cps (12-14 sec. Ford 4) containing 40% Diacetone Alcohol 42 parts

solids. The coating formulation works best if it STORAGE CONDITIONS Solids Content 27% is deiluted to 27% solids with a mixture of 75% When stored in a cool dry tertiary butanol (TBA) and 25% diacetone alco- place, Part A will last for one Viscosity 16 cps hol (DAA). Recommended dry coating thickness (1) year, Part B for six (6) ranges frin 0.4 to 0.5 miles (10 to 15 microns), months from the date of Filtration with the thicker coatings providing the best manufacturing. Solutions should be filtered through a 0.2 mi- properties. cron filter cartridge for several hours before

coating operations begin and continuously PRODUCT SHIPPING & Caution throughout the coating process. When opera- AVAILABILITY Silicone hard coatings are incompatible with tions stop, drain Visgard from system and

Typical lead-time for ship- Visgard and will impair anti-fog performance store at 41-50°F (5-10°C) in a sealed container. ment of Visgard 106-94L is even at low concentrations. Be sure all equip- Circulate DAA through system and drain before four (4) weeks from confirma- ment is thoroughly clean and free from other replacing with Visgard if shut-down will extend tion of a purchase order. coating residues before evaluating Visgard in more than 24 hrs. If shutdown will be over- FSICT provides several ship- production systems. night only, continue pumping but do not allow ping options. Please contact A peristatic pump is best for initial tests be- Visgard to flow in contact with atmosphere. Do an FSICT representative to cause there is no actual contact of Visgard not allow Visgard to stand in a warm pump determine which option best with the pump chamber or mechanical parts. chamber as this may cause gelation. fits your needs. All orders are Circulating diacetone alcohol through the shipped F.O.B. Additional pump, hoses and filter is a good way to re- Pot Life shipment charges including move possible contaminants before start-up IMPORTANT NOTE: The pot life of Visgard customs clearance and fees (if or change over. solutions depends on the environment, spe- applicable) are the responsi- cifically the level of humidity in mixing and bility of the customer. Pure TBA is a solid of 75°F (24°C) and can be application areas. At 22°C (72°F) and 35% handled more easily by adding 10% DAA. This relative humidity (RH), the pot life will range will liquefy solid material and will prevent it from 36 to 48 hours. Adding freshly mixed solu- from solidifying at temperatures as low as 32°F tion to “old” materials extends the working life. (0°C). Do not use normal butyl alcohol, isobu- tyl alcohol or secondary butyl alcohol. Do not Caution: When the pot life of mixed solutions add water, alcohols (other than those recom- has been reached, the material will thicken and mended), glycol ethers, or other compounds gel. This can be stopped by adding a mixture that are reactive toward isocyanates. of methanol and toluene (1:1) when the solu-

tion viscosity becomes noticeably high. Avoid The coating composition will tolerate small using Visgard where humidity is 70% or higher. amounts of aliphatic and aromatic hydrocar- Under these conditions the pot life may be as bons, as well as simple ketones and esters. short as 12 hours and gels may limit usefulness. However, these solvents may affect wetting If Visgard solutions are chilled, be sure that behavior and may attack sensitive plastics. humidity in the coating area is low enough to Solvents that contain moisture will cause gela- prevent moisture condensation in and around tion. If solvent-soluble dyes are to be added, it tanks, coated rollers and film substrates. is important to first evaluate color stability plus the effect on pot life and final coating properties 2/4 Abrasion Chemical & Scratch Resistant Anti-fog Coating

Clean-Up Shelf Life Wash equipment with Isopropanol, diacetone alcohol HEALTH & SAFETY The unmixed components of Part A remains stable for one year, and the Part B for six or methyl ethyl ketone before the coating cures. INFORMATION Fully cured coatings may be difficult to remove. Add months. Do not use if either material contains Before using this product, 10% isopropyl or alcohol to any leftover Visgard to read and understand the lumps or insoluble precipitate. Do not open prevent gelation so waste can be properly disposed. Safety Data Sheet, SDS, which containers in a humid area. Store in a cool, dry place, away from sources of ignition. provides information on TECHNICAL MEMO health, physical, and environ- VSIGARD PERFORMANCE PROPERTIES mental hazards, handling Applications & Cure Requirements precautions and first aid rec- Cure requirements range from about 30 sec- Clarity ommendations. For a copy of onds at 300°F (150°C) to 2 min. or more at 220° Visgard coatings are exceptionally clear. While an SDS, contact an FSICT F (104°C0. After curing, the coating will feel the specification limit is 1% haze, actual values sales or customer service rubbery and it will take an impression from any are usually less than 0.5%. Often the coating representative. uneven surface it contacts. For this reason it is will fill in fine scratches and actually improve important to laminate a hard, smooth and the clarity of molded parts. WARRANTY & LIABILITY glossing masking before winding. High gloss LIMITATIONS oriented polyester film (PET) or polyethylene- Scratch Resistance This document does not polyester co extruded film such as Scapa Tables Rubbing lightly with #0000 steel wool will constitute any warranty or 1/2 laminating film #26/D8 is recommended. leave only a few light scratches on the Visgard representation regarding Oriented polypropylene film may affect anti- surface. Occasionally, fine scratches will appear FSICT’s product. Please refer fog properties. Adhesive backed or co-extruded but will heal when warmed slightly or when to FISCT Coating Technologies polyethylene masking films are also not recom- moistened, or after simply standing at room Standard Terms and Condi- mended. Any masking other than those recom- temperature for 15 to 30 minutes. Pencil hard- tions or to your purchase mended may be thoroughly tested before com- ness is 8H (on acrylic). agreement with FSICT for the mercial use. warranty coverage of FSICT’s The following data were obtained using a Taber product. Substrates abraser with CS10F wheel and 500g load, ac-

The preferred substrates are polycarbonate cording to ASTM D1044: and biaxial oriented polyester films. Excellent

wetting flow and adhesion are usually obtained TRADEMARKS 100 Cycles 500 Cycles Fantastik® is a registered trademark without the use of primers or additives. Acryl- of S. C. Johnson & Son, Inc. ics, PVC, PETG, cellulosics, metalized plastics, Uncoated 28%（approx.) 86%（approx.) and some nylons also be coated without pri- Polycarbonate ∆ haze ∆ haze Formula 409® is a registered trade- mers. PVC and cellulosic plastics may contain (PC) mark of The Clorox Company. plasticizers than ca be extracted by the sol- Visgard coated 5.6% ∆ haze 25.5% ∆ haze Lexan® is a registered trademark of vents in Visgard and may be problematic. PC, 15 microns the SABIC.

If a substrate cannot tolerate sufficient heat to Visgard coated 7.6% ∆ haze 43.3% ∆ haze Scotch Brite® is a registered trade- cure Visgard, then masking films may not re- PC, 8 microns mark of the 3M Corporation. move cleanly, or may leave haze or spots. Falling sand abrasion was performed according TopJob® is a registered trademark Some temperature sensitive films have been to ASTM D968 using 3kg standard Ottawa of Proctor and Gamble Company. treated by laminating temporarily to a more Sand： heat resistant film such as PET.

Visgard® is a registered trademark of FSI Coating Technologies, Inc. Visgard coated thin PET films are available from Uncoated Polycar- （ 35% approx.) ∆ haze bonate (PC) FSICT and can be used to “coat” a material via permanent lamination. Contact FSI Coating Visgard coated PC, 13 1.49% ∆ haze Technologies for more details. The use of microns Visgard for application to film and sheet prod-

ucts is restricted. Please contact FSICT for Visgard coated PC, 8 1.72% ∆ haze details. microns

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Contact Information

Visgard is superior to all other formable hard coats in FSI Coating Technologies Taber abrasion tests and comparable to most non- Corporate Office- N.A. 45 Parker, Suite 100 formable hard coats on flexible substrates. In the falling Irvine, California 92618 USA sand test, Visgard outperforms all other hard coats Tel: +1-949-540-1140 tested. Bayer abrasion tests yield ratios range from 2.5 Fax: +1-949-540-1150 at 6 μm coating thickness to over 10 at 15 μm thickness. [email protected] Anti-Fog SDC Technologies - Americas ＃ Corporate Headquarters Anti-Fog Test 1 - The test surface is immersed in 45 Parker, Suite 100 distilled or deionized water for 1 hr. and allowed to dry Irvine, CA 92618 USA for at least 1 hour. It is then placed face down over a 800-272-7681 (Toll Free USA) container of warm water (122°F/50°C) so as to com- Tel: +1-714-939-8300 pletely cover the opening. Visgard coatings may exhibit [email protected] a ring of condensation as the coating hydrates, but will remain clear indefinitely thereafter. The test is complete SDC Technologies - Europe when sufficient moisture has condensed to form large Unit 6 John Baker Close water drops. Llantarnam Industrial Park Cwmbran, Torfaen ＃ NP44 3AX, United Kingdom Anti-Fog Test 2 - The test surface is immersed in Tel: +44-1633-627030 distilled or deionized water for 24 hours, removed and [email protected] allow to dry for at least 1 hr. The sample is then cooled Weathering in a refrigerator to approximately 40°F( 4°C0 and with- The Visgard coating does not crack, peel or SDC Technologies - China discolor from exposure to sunlight. The coating drawn to test chamber containing ambient air at 70°F No. 1585 Gumei Road does not, however absorb enough UV light to Xuhui District (21°C0 and 70% to 80% relative humidity. Materials protect sensitive plastics from yellowing. Shanghai 200233 coated with Visgard will remain free of fog indefinitely. PR China Tel: +86-21-61995035 Maintenance & Care [email protected] Untreated plastics or glass will fog within seconds. Inferi- Properly cured Visgard coatings will usually SDC Technologies Asia Pacific Pte. Ltd. or anti-fog coatings may fog immediately, or remain outlast the coated item. Resistance to cleaning 27 Tuas South Street 1 clear for a short time until they become saturated. Vis- solvents and detergents is excellent. While Singapore 638035 gard passes ASTM and DIN tests for resistance to fog- grease and oils will contaminate the surface and Tel: +65-6210-6355 ging. impair anti-fog effectiveness, these can be [email protected] removed with a strong grease cutting detergent

such as Fantastik® or Formula 409®. Coated Chemical Resistance articles should be cleaned regularly to prevent Visgard coating is unaffected by brief exposure to： accumulation of oily deposits. Consult the fsicti.com Material Safety Data Sheet for further handling precautions. Acetone Ethanol Glycol Methanol

ethers/ esters

Ammonium Ethyl Hexane Methyl hydroxide acetate ethyl ketone

. Diacetone Gasoline Isopropanol Toluene alcohol

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