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Ionic Intermediate Membrane

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Ionic Intermediate Membrane

The ionic intermediate film is an ionic film of a copolymer of ethylene and methacrylate. It contains a small amount of sodium metal ions. The adhesion between the film and the glass is mainly the result of the ionic bond, so the ionic intermediate film and the glass The bonding force is much higher than the bonding strength of PVB film and glass, and its hardness is 100 times tougher than traditional PVB interlayer materials, and its tear strength is 5 times that of PVB interlayer materials.

The ionic interlayer film has high bonding properties, optical properties, and mechanical properties, which can fully meet the needs of the laminated safety glass industry for interlayer films. Compared with PVB membrane, ionic polymer membrane laminated glass has the following characteristics:

  • Higher strength:
Compared with PVB film laminated glass, Tongshi ionic polymer film laminated glass has higher bending strength. With the same glass structure and thickness, it has higher load and wind pressure resistance.
  • Lower deflection, larger equivalent glass thickness
Because of its high strength, in architectural design, under the same deflection requirements, the same shield ion polymer film laminated glass can be realized with a smaller glass thickness. It is beneficial to reduce the weight of the glass and the weight of the entire support system.
  • Better safety after crushing.
The ionic polymer film has higher tensile strength and tear strength, and its laminated glass has stronger support after being broken.
  • Better optical performance.
The ionic polymer film has higher light transmittance and lower haze, and low yellow index. After being compounded with ultra-white glass, it has higher permeability and visual effects.

Product performance

Comparison of physical parameters of interlayer film

project

Ionic intermediate membrane

PVB film

Testing standard

Tensile Strength

34Mpa

25Mpa

ASTM D-638

Elongation at break

350%

250%

ASTM D-638

density

0.96g/cm3

1.067/cm3

ASTM D-792

Transmittance

89%

89%

JC/T2166-2013

Haze

<1%

<1%

JC/T2166-2013

Yellow index

<2

6-12

JC/T2166-2013

Moisture content

<0.1%

0.35%-0.55%

JC/T2166-2013

Thermal expansion coefficient

100x10-6mm/mm/℃

155x10-6mm/mm/℃

ASTM D-696

Heat distortion temperature

37℃

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ASTM D-648

Shear modulus (30℃, 3s)

140Mpa

1.3Mpa

ISO-6721

Product specifications

thickness

width

length

0.76mm

The maximum width is 2440mm, customized according to customer needs

200m

0.89mm

The maximum width is 2440mm, customized according to customer needs

200m

1.14mm

The maximum width is 2440mm, customized according to customer needs

150m

1.52mm

The maximum width is 2440mm, customized according to customer needs

100m

Note: other thickness and size can be customized according to actual

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