Sumikaflex 755

Type:Ethylene-Vinyl acetate Copolymer Emulsion

Properties:

Sumikaflex 755 has a self-cross-linking functional group, and its
film is soft texture. A film is superior in water solvent resistance.
It has also sanitation.

Mainapplication:

Non-woven fabric binder
Impregnated paper binder
Flocky finish
Plastics lamination
Paper and fabric adhesive use

Physical properties:
Appearance

Milky white

Solid content(%)

51 ± 1

Viscosity(mPa·s)500 − 1500

pH

4−7Ave. particle size(µm)

0.5Density(g/cm３)

1.05

MFT(ºC)

0Particle charge

Nonionic

Mechanical stability

GoodTg(ºC)− 15Tensile strength(MPa)1.0Elongation(%)> 1500< Technical Information of Sumikaflex 755 >1. Grade
Sumikaflex 752: self-cross-linked, hard texture film (Tg: 15ºC)

Sumikaflex 755: self-cross-linked, soft texture film (Tg: − 15ºC)

2. Emulsion properties
Appearance

S-752

S-755

Milky white

Milky white

Solid content(%)

50 ± 151 ± 1

Viscosity(mPa·s)400 − 1300

500 − 1500

4−7

4−70.50.5

pHAve. particle size(µm)

Density(g/cm )

1.091.05

MFT(ºC)

90Particle charge

Nonionic

Nonionic

Mechanical stability

GoodGoodTg

15− 15３(ºC)

3．Film properties(1) Tensile strengthTg

(ºC)

S-752

S-755

15− 15

OriginalElongation (%)

360> 1500

state

Strength (MPa)

23.0

1.0

Wet

Elongation (%)

380

1000

strength Strength (MPa)

3.0

0.9

Test method
Thickness of film: 0.15 mm
Shape of film: Dumbbell No.3
Film forming condition: 23ºC × 65%RH × 7 days
Measurement speed: 500 mm/min

4. Application(1) Compared EVA emulsion, another emulsion and latexH

3333322

Sumikaflex 755

S2333222

Acryl emulsion

M

3332322

NBR latex

M

211131

1

SBR latex

M

21122

11

High frequency

sealing

treatment

cleaning

abilityresistance

Heat

Heat resistanceabilityLight

Dry

resistanceresistance

Adhesive

Cleaning

TextureSumikaflex 752

Texture H: hard, M: middle, S: soft, excellent 3 − 2 − 1 not suitable(2) Non-woven binder
Acrylic

S-752

S-755

Basic weight (g/m2)

47.0

46.5

45.7

Dry Pick Up (%)

28.4

26.927.9

Strength (N/5 cm)

55.3

27.6

21.1

KGSC value*

2353

1187

923

Strength (N/5 cm)

15.9

13.3

10.1

KGSC value*

677

572

442

Cantilever method (mm)

290

175

160

Dry cleaning Absorption (%)

4.0

9.9

5.1

resistance

451

245

343

Heat resistance

14.6

15.1

15.2

Light resistance (yellow index)

7.0

6.9

7.1

Dry strength
Wet strength

KGSC value

emulsion A*: KGSC value = strength (N/cm)/basic weight (g/cm2)
Test method
Substrate: Rayon (basic weight 35 to 40 g/m2)
Dipping: Mangle condition (sandwich non-woven between nylon mesh)
Nip pressure: 0.1 MPa
DPU: 25 to 30%
Drying: 150ºC × 48 sec

Curing: 130ºC × 5 minStrength: JIS L-1085
Texture (cantilever method): JIS L-1085
Dry cleaning resistance: JIS L-1085
Heat resistance: After 150ºC × 60min, measured by hunter color difference
meter with Greenfilter
Light resistance: After Fade-O-Meter for 80 hours, measured by hunter color
difference meter(3) Application for impregnated paper
S-752

S-755

Acrylicemulsion A

Dry Pick Up(%)

27.7

26.3

26.7

DryStrength (N/1.5 cm)

1116972

tensile strength

Breaking length

130ºC × 3 min

(km)

4.82

3.08

3.11

130ºC × 1 min

19.0

9.3

19.6

130ºC × 3 min

37.2

19.9

30.6

130ºC × 5 min

41.7

25.3

35.6

Breaking

130ºC × 1 min

0.82

0.41

0.85

length130ºC × 3 min

1.610.89

1.32(km)

130ºC × 5 min

1.81

1.13

1.54

130ºC × 1 min

53117130ºC × 3 min

66436

130ºC × 5 min

10112

41

Folding resistance (time) 130ºC × 3 min

381641585

Tear strength (g) 130ºC × 3 min

154146145

Wet strengthStrength(N/1.5 cm)

Sizing degree(sec)Test method
Master paper: filter paper No.2 (basic weight: 120 g/m2)
Dipping: Mangle condition
Concentrate of emulsion 20%
Nip pressure
DPU

0.2 MPa

26 to 28%

Drying: at room temperature
Curing: 130ºC × 1, 3 and 5 min