Self-crosslinking Waterborne acrylic resin WL-TC106
When high performance, such as excellent chemical and solvent
resistance, is needed in a one-component coating, the
self-crosslinking acrylics are preferred. WL-TC106 describes a new
self-crosslinking waterborne acrylic resin, designed for use in
wood coating and metal coating applications. it can be formulated
into wood finishes,metal coatings that are one-component, high
performance and low VOC,low MFFT, high film gloss, and good
anti-adhesion property.
I. INTRODUCTION:
1. WL-TC106 is free of heavy metals, phthalates, formaldehyde, and APEOs. It is a green product and complies with worldwide regulations
about health and environment, the VOC content of this product is
less than 1.0 wt%.
2. Provide low minimum film formation temperature (MFFT) and good
anti-adhesion property. it also provides excellent heat resistance
and high film gloss.
3. Good adhesions on glass, woods, ceramics, R/C surfaces, and
metals. It can provide a film with good harness when the coating is
dried under room temperature.
4. Is manufactured with a proprietary self-crosslinking technology,
which offers properties of excellent water whitening resistance,
alkali resistance, and early cracking resistance.
5. Has good leveling and low foaming properties, which allows them
to be applied by spraying or brushing process onto different
substrates.
6. Can be easily thickened by regular thickeners, such as HEUR,
HASE, and cellulosic thickeners. It is advisable to start with a
lower level of thickener (maybe half or 1/3 the initial level
according to your experience), let the formulation stabilize
overnight, and then adjust the final viscosity.
II. Main characteristics
1. good anti-adhesion property
2. High temperature resistance
3. High-gloss coatings.
4. Excellent water, alcohol, and ketone resistance
5. Excellent weather durability
6. Low minimum film formation temperature (0°C)
Coating Performance
| Test ltems | Test Results | Test Method | |
| Chemical Resistance (MEK/Toluene/IPA, Room Temp. 1000 hrs.) | No Effect | CNS 10757(1995) | |
| Acid Resistance (30%H2S04, Room Temp. 500 hrs.) | No Effect | CNS 10757(1995) | |
Chemical Resistance (Saturation NACL, Room temp. 1000 hrs.)
|
No Effect |
CNS 10757(1995) | |
| Heat Resistance (200°C 24 hour) | No Cracks, No Peeling | CNS 10757(1995) | |
Non-toxic Test (Eight Heave Metals) |
No Detected |
CNS4792-2 | |
| Pencil Hardness (Gouge Hardness) | 1-2H | CNS 10757(1995) | |
| VOCS | No Detected | US EPA 5021 A | |
*Such test is conducted on a coating with 120 μm thickness (wet) on
glass substrate.
III. TYPICAL PHYSICAL CHARACTERISTICS:
1. Appearance — clear to semi-translucent dispersion
2. Main Ingredient — Acrylic copolymer
3. Non-Volatile (%) — 33.0 ± 1.0 % (Electrical Oven; 120°C/2hr)
4. pH Value at 25°C — 9.2 ± 0.5
5. Viscosity at 25°C — < 50 cps
6. MFFT — 0°C
IV. PACKAGE:
50 KGS high impact PE drum
120 KGS high impact PE drum
1000 KGS IBC
V. SAFETY:
All relevant data have been brought up-to-date in the Material
Safety Data Sheet for WL-TC106
CORROSION RESISTANCE TEST ON GALVANIZED STEEL SURFACE:
Test Condition: Coating thickness: 2 μm (dry) Drying temperature: 80°C for 10 mins Coating product:wl-tc106 Test method: Salt spray resistance test for 240 hours |
STARTING FORMULATION (please read the note in the last page first):
1. Basic Clear Coat
| Item | Material | wt% | Function | Supplier |
| 1. | WL-TC106 | 95.33 | Resin | |
| 2. | DPM : PnB (1:1) a,b | 0.95 | Coalescing aid | Dow |
| 3. | BCS a,b | 0.95 | Coalescing aid | |
| 4. | CoatOSil* 1211 a | 0.14 | Wetting aid | Momentive |
| 5. | Borchi® Gen DFN a | 0.14 | Wetting aid | OMB Borchers |
| 6. | D.I. Water a | 2.20 | | |
| 7. | Ammonia water (20%) | X | adjust pH to 8.7~9.0 | |
| 8. | R-288 (60%) | 0.29 | Thickener | Elementis |
| Total weight | 100 | | |
| Spec of formulation | | | |
| S.C.% | 36.55 | | |
| VOC (water is not included), g/L | 70 | | |
| VOC (including water), g/L | 27 | | |
| Viscosity (Day 0) (cps) | 151 | #1, 20 rpm | |
| Viscosity (Day 1) (cps) | 260 | #2, 20 rpm | |
| Viscosity (Day 4) (cps) | 290 | #2, 20 rpm | Ford #4 cup: 24.5 sec |
| Viscosity (Day 10) (cps) | 290 | #2, 20 rpm | Ford #4 cup: 24.5 sec |
a. Coalescing and wetting aids have to be diluted with water
mentioned in item 6. into a mixture. The mixture is then slowly
added into the above polymer emulsion while stirring.
b. DPM: Dipropylene Glycol (Mono) Methyl Ethe* (CAS #: 34590-94-8)
PnB: Propylene glycol n-butylethe* (CAS #: 5131-66-8)
BCS: Ethylene Glycol Monobutyl Ethe* (CAS #: 111-76-2)
Coating Performance
| Item | Test | | Result |
| 1. | MFFT | | < 0°C |
| Drying condition (ASTM 2354) | | 25± 2°C, 55~60%H |
| 3. | Drying time(min)* | T1 | 17 |
| ASTM D5895-03(2008) | T3 | 24 |
| | Dry Through(T4) | 60 |
| 4. | Pencil hardness* | 2 days | H |
| | 7 days | 2H |
| 5. | Gloss(60°)* | 2 days | 92 |
| | 7 days | 94 |
*Such test is conducted on a coating with 120 μm thickness (wet) on
glass substrate.
