TOP > KarenzMT™ > Advantages for UV Additive

KarenzMT®

Advantages for UV Additive

・Improvement of UV Curing
・Strong Adhesion
・Better Transparency
・Excellent Shelf-life


Curing
Curing（1）
It was observed that the conversion of C=C double bond was increased dependently on KarenzMT™ contents.

Fig.1 Conversion of Double Bond vs KarenzMT™ Contents
Fig.1 Conversion of Double Bond vs KarenzMTR Contents

Monomer BPDA (bisphenol A type diacrylate)
KarenzMT™ BD1、NR1、PE1
Initiator IRGACURE™ 184 2wt％
Exposure Dose 800mJ/cm2


Curing（2）
UV露光

Monomer
 BPDA
KarenzMT™ PE1 2wt％
Initiator IRGACURE™ 184 2wt%


Curing（3）
It was observed that development was improved by KarenzMT™ addition.

Fig.2 Residual layer thickness (alkali developing)
Fig.2 Residual layer thickness (alkali developing)

Monomer (Green pigment and acrylic polymer) dispersion･epoxyacrylate
KarenzMT™ PE1


Adhesion
Improvement of adhesion strength was observed by KarenzMT™ addition.

Fig.3 Glass Substrate
Fig.3 Glass Substrate

Monomer BPDA
KarenzMT™ BD1, NR1, PE1
Initiator IRGACURE™ 184 2wt%
Exposure Dose 500mJ/cm2


Fig.4 Plastic Substrate (polyethylene terephthalate)
Fig.4 Plastic Substrate (polyethylene terephthalate)

Monomer BPDA
KarenzMT™ PE1
Initiator
 IRGACURE™ 184 2wt%
Exposure Dose
 500mJ/cm2


Transparency

Transparency was getting better by KarenzMT™ contents increase.

Fig.5 Influence of KarenzMT™ Contents on Transparency
Fig.5 Influence of KarenzMTR Contents on Transparency

Monomer BPDA, HDA(hexanediacrylate)
KarenzMT™ BD1
Initiator IRGACURE™ 184 2wt%
Exposure Dose 500mJ/cm2
Film Thickness 100μm


Shelf-life
It was observed that KarenzMT™ composition was stable for more than 2weeks at 40℃.

Fig.6 Viscosity Changeｓ of Compositions
Fig.6 Viscosity Changeｓ of Compositions

Monomer DPHA (dipentaerythritolhexaacrylate)
KarenzMT™ BD1、NR1、PE1 2wt％
Comparative Thiol PEMP
Temperature
 40℃




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