Septon_Technical_Brochure-2023

� SEPTON TM and HYBRAR TM 13

5) Adhesives

Unit

1

2

3

SEPTON™ 2063

PHR

100

100

100

Aliphatic Saturated Hydrocarbon Resin (Tackifier)

PHR

100

150

200

Paraffin oil

PHR

50

50

50

Antioxidant

wt%

0.1

0.1

0.1

Tack Rolling Back Tack Test (25°C)

Ball No.

12

7

<2

*JIS Z0237 as reference: Higher No. => Higher Tack Properties Cohesion Creep Test: Holding Power

min.

99

51

22

*Sample Size 25 mm*25 mm, Load 1 kg at 40°C Adhesion 180° Peel Test: To Stainless Steel

N/25 mm

10

17

29

*Rate of peel 300 mm/min at 25°C Melt Viscosity 160 °C

mPa·s mPa·s

44200 16600

21700 10400

13400

180 °C

6450

*Brookfield Viscometer Softening Point

°C

118

109

100

Tested by Kuraray Co., Ltd.

Process Oil:

Viscosity 95.5 mm 2 /s at 40°C 30 μm (to 50 μm PET film)

Coating Thickness:

6) SEPTON™ and HYBRAR™ for PP film improvement

Layer

Random PP

HYBRAR™/Random PP

POE/LLDPE

SEPTON™/LLDPE

A Seal or Inner Layer

80% random PP

Random PP 20% HYBRAR™ 7311F 10 µm Random PP 20% HYBRAR™ 7311F 40 µm

LLDPE

LLDPE

10 µm

10 µm

10 µm

Random PP

80% LLDPE 20% POE 40 µm

90% LLDPE 10% SEPTON™ 2004F 40 µm

B Core Layer

40 µm

C Core Layer

Random PP 10 µm

Random PP 10 µm

LLDPE 10 µm

LLDPE 10 µm

Modulus (MPa)

490

140 (-70%)

N.D.

N.D.

30 J/m at -20°C

320 J/m (+960%) at -20°C

507 g (Dart) at 21°C

780 g (+50%) (Dart) at 21°C

Impact Strength

1.5 (120°C)

6.7 (+350%) (120°C)

Heat-Seal Strength (N/25 mm)

2.1 (125°C)

16.4 (+680%) (125°C)

N.D.

N.D.

7.7 (130°C)

17 (+120%) (130°C)

Tested by Kuraray Co., Ltd.

Impact Strength:

Random PP and HYBRAR TM /Random PP were measured by notched Izod impact test. POE/LLDPE and SEPTON TM / LLDPE were measured by drop dart test at 21°C.

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