TOKYO OHKA KOGYO CO., LTD. (TOK) provides chemical products, such as photoresist, and equipment for semiconductors and liquid crystal displays.

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New Business Field

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Under the “Challenge for the Future!” slogan, TOK has set up the New Business Development Dept. combined sales and technical division.
TOK offers unique and high value-added materials ,using our functional polymer design/manufacturing technologies cultivated in photolithography field, through open innovation with our customers and third parties.

Hydrophilic Coating Materials

Hydrophilicity can be applied to high contact angle substrates without pretreatment

超親水コーティング材料_EN

Substates

Plastics(PET, PS, PMMA, PP, COC, COP), Glass, Si wafer, SUS etc.

Features

  • No pretreatment is required for high contact angle substrates
  • Excellent optical property
  • Ultra-thin film (< 2nm) with conformal coating
  • Low cytotoxicity※
  • Excellent weather resistance and chemical resistance.

※Cytotoxicity was tested according to the ISO 10993-5 standard. IC50 (50% inhibitory concentration) : >100%

How to use

超親水コーティング材料_EN_1_改

Applications

Lifescience(Microfluidics etc.), Optics, etc.

References

Cell adhesion Control

Evaluation condition

24well plate, Culture medium : DMEM (10%FBS, 1% Antibiotic addition)
Seeding density: 3.3 x 104 cells/well, Observation: 5 hours after seeding (37˚C, 5% CO2)

 

超親水コーティング材料

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