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Functional ResinsFunctional Acrylic Resins -KH series

Image of Insulating Varnishes

KH series is functional acrylic resins with ultrahigh molecular weight, manufactured by our unique suspension polymerisation. This series is used as a constituent element in adhesives for electronics-related products.

Features

  • KH series has excellent heat resistance and good adhesive properties.
  • Its low ionic impurity will improve insulation properties of customers’ products.
  • KH-CT, introduced alicyclic monomers, has low moisture absorption so as to ensure electric reliability.
  • KH series has less colour and is highly transparent.

Properties

Type Item Unit
KH-LT KH-CT-865
Not varnish Molecular weight ×10-4 100~150 45~65
Tg ºC -45~-35 0~12
Thermal decomposition Temp.
(TG-DTA)
ºC 310~330 320~340
Absorption rate
(at 85ºC/85%)
% 0.5 0.4
Ionic impurity
(Extracted at 120ºC for 24hrs)
Cl- ppm ≦5 ≦5
Na+ ppm ≦5 ≦5
Varnish Appearance
(Visible to the naked eye)
- Transparent Transparent
Solid content
(Solvent/MEK)
% 15±1 36±2
Viscosity
(5rpm)
Pas 6~12 2~7
Peel strength
[PI/PI]
N/m 600 330
Peel strength
[Cu/PI]
N/m 950 1,130

Applications

  • KH series is used as a constituent element in electronics-related adhesives
    (e.g. semiconductor packages, printing wiring boards).

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