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Noanix Corporation
[Korea]
Address:
83, Deokam-ro 35beon-gil, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 361-856 Korea
Phone:
82-43-9050972
Contact name:
Brad Choi , CEO



Noanix Corporation
 

Hydrophilic Coatings

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Hydrophilic Coatings

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 Origin

Korea


Materials(NanocoatĀ®)

Hydrophilic Coating
Hydrophilic coating for medical devices are lubricious, abrasion resistant, Non-thrombogenic and biocompatible. Suitable for coating vascular catheters, guide wires and other medical devices, they can be applied to a wide range of polymeric and metallic substrates.

-Advantages

  • Exceptionally hydrophilic
  • Biocompatible
  • Very thin, flexible coatings can be applied
  • Lubricious when wet, preventing trauma and tissue abrasion
  • Prevents adhesion of platelets, proteins, and microorganisms

- Properties

  • Physical properties are readily adapted to meet the design criteria of medical device applications
  • Thickness
  • Storage stability
  • Lubricity / flexibility
  • Wettability
  • Abrasion resistance

- Applications

  • Catheters
  • Micro-catheters
  • Guide Wires
  • Introducers
  • Sheaths
  • Lead Wires
  • Intraocular(IOL) Cartridges
  • Endoscopes
  • Vertebral Cages
  • Meshes
  • Blood contacting surfaces that require antithrombogenicity
  • Sliding surfaces that require lubricity

Ex) Guide wire, Balloon catheter etc..

- Coat Selection

Substrates / Base coats
NoaCoat_2
NoaCoat_V
NoaCoat_P
TPU
Excellent
Excellent
Excellent
PEBAX(hard)
Excellent
Excellent
Excellent
PEBAX(soft)
Excellent
*Good
Excellent
PP
Excellent
Moderate
Excellent
PC
Excellent
Excellent
Excellent
Silicone
Excellent
Not recommended
Poor
PE
Excellent
Excellent
Poor
PTFE
Excellent
Not recommended
Not recommended
SS
Excellent
Excellent
Poor
Nitinol
Excellent
Poor
Poor
PMMA
Excellent
Moderate
Excellent
PVC
Excellent
Moderate
Excellent
PEEK
Excellent
Excellent
Good
Polyester
Moderate
Moderate
Excellent

*Pretreatment required

- Advantages and Disadvantages

 
Coating type
Curing
One Coating
Two Coating
Heat
UV
Advantages
-Simple process
-Saving coat cost
-High coating performance
-Free from toxicity
-Inner coating possible
-Simpler system
-Low maintenance
-Short curing time
DIsadvantages
-Can be toxic
-Containing harmful
-Low coating performance
-Long process
-Less cost saving
-Long curing time
-Sensitive to temperature
-Inner coating difficult
-Hamful UV light
-Harmful photo initiator
-High system and maintenance cost

- Advantages and Disadvantages

 
HA
PVP/PU
Advantages
-Extremely biocompatible(Natural polymer)
-Stable as a bilaminar coating
-Stable against water
-Very lubricious
-Relatively inexpensive
-Flexible to formulate
-Easy to handle
-Short time of UV curing(PVP)
-Convertible to UV curing to thermal curing or in reverse(PVP)
Disadvantages
-Thermal curingonly
-Contamination
-Relatively expensive
-No one(single) coating
-Inflexible to formulates
-Low biocompatibility
-Low stability against water(particularly PVP)
-Highly viscous(PU)

 

* Substrates to be coated * Base Coating
  • Pebax
  • PEEK
  • PP
  • PE
  • PC
  • TPU
  • PMMA
  • Teflon
  • Silicone
  • Polyester
  • Metals - Ni, SUS
  • Primer
  • Covalently bonded with HA Top Coating
  • Generally no pretreatment requiredd
  • Custom tuning possible
  • Several base coats versions available

 

* Noanix Bilaminar Coating's Advantages

  • Most biocompatible
    (Only natural polymer among hydrophilic materials)
  • Extremely durable(most durable method) and lubricious
  • Various coating solutions(HA main, PVP and MA optional)
  • FDA approved ingredients
  • Very low particle account
  • Custom coating possible
  • FDA Master file
  • *Non-thrombogenic Coating(NoaCoat_H)
  • *Antimicrobial Coating(NoaCoat_S)

Related Keywords: Hydrophilic Coatings


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