NISSHINBO

CARBODILITE

Crosslinking agent for Waterborne Resins

Crosslinking agent for Waterborne Resins

Characteristics

  • Crosslinking agent for Waterborne Resins*, paints, inks, adhesives and coatings
  • High safety and the use of environmentally friendly technology
    • (1)Non-Toxic & Safety (Non skin irritant, Negative：Ames test)
    • (2)Environmentally Friendly (VOC free)
    • (3)Great Reactivity with Carboxylic Acid
    • (4)Long Pot-Life
    • (5)Easy of use (No premix, etc.)

*Compatible to waterborne acrylic resins, acrylic emulsions, polyurethane dispersions, etc.

Properties

  • There are water solution type and emulsion type in CARBODILITE series.
Typical grade SV-02 V-02-L2 E-02
Type Water Solution Emulsion
(Soap-free)
Co-Solvent Non
Solid Content 40wt%
Ionic Nature Nonionic
pH 8～11
Viscosity(mPa・s)* 100 10
– NCN – Equivalent** 429 385 445
Curing Conditions Above Room temperature
Features Higher reactivity
Curing at Lower temp		 Higher reactivity Longer pot-Life

*Evaluated at 68 Deg F/20 Deg C
**Chemical formula weight for 1 mole of carbodiimide group.

We have any grade to use for various ways.
If you hesitate about the choice of the grade, please contact us.
We suggest the most suitable grade and formulation.

Application Effects

You can add high performance to your resin with our CARBODILITE.
Common properties are,

  • Water / Chemical Resistance
  • Adhesion
  • Excellent Flexibility
  • Anti-Hydrolysis Stability
  • Auxiliary For Dispersing etc.

We believe that CARBODILITE solves your problem.

  • Good Solvent Resistance

    Resin Commercial PUD (Metal/Plastic coating)
    Crosslinking agent
    (Solid Content)    		 CARBODILITE(SV-02, V-02-L2, E-02) 6%, Aziridine 6%, Isocyanate 23%
    Coating
    Substrate :
    Aluminum plate
    Cure :
    212 Deg F/100 Deg C×10min + R/T×1day
    Test method Double Rubbing Test
    MEK(Methyl Ethyl Ketone) double rubbing (with crock meter : 900g)
    Rubbed and checked coating appearance visually (break away).

    CARBO DILITE improved the solvent resistance of Resins.
    CARBODILITE improved the solvent resistance of Resins.

  • Good Alkali Resistance

    Resin Commercial Acrylic emulsion (Ink)
    Crosslinking agent
    (Solid Content)    		 CARBODILITE(SV-02, V-02-L2, E-02) 4%, Aziridine 4%, Isocyanate 16%
    Coating
    Substrate :
    Aluminum plate
    Cure :
    212 Deg F/100 Deg C×10min + R/T×1day
    Test method cotton ball

    SPOT Test
    Soak the test substance with a cotton ball and apply to the test panel for 1 hour
    Score : 10 no damage >>> 1 severe damage
    Chemical : Ammonia (1.4%)

    CARBODILITE improved the alkali resistance of Resins.
    CARBODILITE improved the alkali resistance of Resins.

  • Good Chemical resistance

    Resin Commercial PUD (Metal coating)
    Crosslinking agent
    (Solid Content)    		 CARBODILITE(V-02-L2, E-02) 6%, Aziridine 6%
    Coating
    Substrate :
    Aluminum plate
    Cure :
    320 Deg F/160 Deg C×10sec + R/T×1day
    Test method cotton ball

    SPOT Test
    Soak the test substance with a cotton ball and apply to the test panel for 1 hour
    Score : 10 no damage >>> 1 severe damage

    CARBODILITE reacted at high temperature, short time.

    CARBODILITE reacted at high temperature, short time.

  • Good Adhesion

    Resin Commercial Acrylic emulsion (Ink)
    Crosslinking agent
    (Solid Content)    		 CARBODILITE(SV-02, V-02-L2, E-02) 8%, Aziridine 8%, Isocyanate 16%
    Coating
    Substrate :
    OPP film
    Cure :
    140 Deg F/60 Deg C×5sec + R/T×3days
    Test method Measuring Adhesion by Tape Test
    #Tape : Permacel#99

    Cross-cut test
    Cross-cut test
    CARBODILITE improved the adhesion of the coating to substrate.

  • Pot-Life : Long Pot-Life

    Resin Commercial PUD (Paint)
    Crosslinking agent
    (Solid Content)    		 CARBODILITE(SV-02, E-02) 6%, Isocyanate 23%
    Keeping temperature 104Deg F/40 Deg C
    Coating
    Substrate :
    Aluminum plate
    Cure :
    212 Deg F/100 Deg C×10min + R/T×1day
    Test method Double Rubbing Test
    MEK(Methyl Ethyl Ketone)double rubbing (with crock meter : 900g)
    Rubbed and checked coating appearance visually (break away).

    CARBODILITE had a long pot-life.
    CARBODILITE had a long pot-life.

Existing Usage

  • Automotive Interior/Exterior Coating
  • Floor Coating (Wood, Concrete etc.)
  • Coil Coating (Pre-coated metal etc.)
  • Leather Coating
  • Synthetic Leather
  • Vinyl Thermoplastic Polyolefin Coating
  • Adhesive
  • Architectural Exterior Paint
  • Gravure Ink, Over Print Varnish
  • Film Coating
  • Textile Printing
  • Glass Fiber Binder
  • Other General Waterborne Resins

Reaction of Carbodiimide

Carbodiimide group of CARBODILITE reacts with Carboxyl group as shown below.

For more fast reaction, you can.

Carbodiimide group of CARBODILITE reacts with Carboxyl group as shown below.

* Excess amount of free ammonia will inhibit the proper reaction.
** 5 to 7 days will be recommended to get full cure in room temperature.

Safety


 SV-02 V-02-L2 E-02
Acute dermal irritation/
corrosion study in rabbits.		 Non Irritant Non Irritant Slightly Irritant
Local lymph node assay. (LLNA) Extremely Weak or Non Sensitive Extremely Weak or Non Sensitive Moderate Sensitive
Acute oral toxicity study in rat. (LD50) >2000mg/kg >2000mg/kg N/A
Acute dermal toxicity in rat. (LD50) >2000mg/kg >2000mg/kg N/A
Germ cell mutagenicity (Ames test) Negative Negative Negative

Regulation


 SV-02 V-02-L2 E-02
TSCA (USA) Registered Registered Registered
EINECS (EU) Polymer Exempt Polymer Exempt Polymer Exempt
REACH（EU） Polymer* Polymer* Polymer*
KECI (KOREA) Registered Registered Registered
ENCS (JAPAN) Registered Registered Registered

* Raw material pre-registered

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