Sumikaflex 400HQ

Type:

Ethylene-Vinyl acetate Copolymer Emulsion

Properties:

Sumikaflex 400HQ emulsion is a representative grade ofethylene-vinyl acetate copolymer emulsion, which is used in wide
variety of applications. The feature is excellent for adhesives,
creep resistance, water and alkali resistance and mortar mixture.

Main
Adhesives for all
application: Construction and wood
Paper container and craft
Paintings

Physical properties:
Appearance

Milky white

Solid(%)

55 ± 1

Viscosity(mPa·s)1100 – 1600

pH

4–7

Ave. Particle size(µm)

0.7Density(g/cm3)1.07

MFT(°C)

0Particle charge

Nonionic

Machine stability

GoodTg(°C)

0

Film strength(MPa)12.7

Film elongation

(%)

550

< Technical Information of Sumikaflex 400HQ >1. Grade positioning

Basic grades of Sumikaflex 400HQ series【High solid】

S-7400HQ

S-465HQ

S-340HQ【High solid】

S-355HQ【Low TI】【Modified functional group】

S-467HQ

S-470HQ【High solid】

S-305HQ【Improved viscosity】【High Tg】

【Modified emulsifier】

S-460HQ

S-400HQ【High solid】

S-450HQ【High viscosity】

S-455HQ【High MW】

【Low Tg】【Powder】

RP-100S【Modified functional group】【Low Tg】

S-401HQ

S-410HQ【High MW】

【Modified emulsifier】【Low Tg】

S-408HQE

S-201HQ

S-456HQ2. Emulsion properties
S-400HQAppearance

Milky white

Solid content(%)

55 ± 1

Viscosity(mPa·s)1100 − 1600

pH

4−7

Ave. particle size

(µm)

0.7

Density(g/cm3)1.07

MFT(°C)

0Particle charge

Nonionic

Mechanical stability

GoodTg(°C)

0

3. Film properties(1) Film tensile strength
ItemDryWet

S-400HQ

Elongation (%)

550

Strength (MPa)12.7

Elongation (%)

600

Strength (MPa)

3.3

Test method
Film thickness: 0.15 mm(Film forming condition and aging: 23ºC × 65%RH × 7 days)
Shape of film

: Dumbbell No.3

Dry film strength: 23ºC × 65%RH, measured after dried for 7 days

Wet film strength: Dipped film in water for 24 hr at 23ºC, measured at wet condition

Measurement speed : 500 mm/min（2）Film water-drop test
S-400HQWhitening time (min.)2

Test method
Foam film (thickness is 0.15 mm) on the slide glass at room temperature. Theslide glass is on the 8 point Chinese character of newspaper. Measure the time
till that character can’t be read when puts one drop of water on the film.

(3) Water and alkali resistance of film
S-400HQ
Water resistanceAlkali resistance

Elusion (%)

5Absorption (%)

16Elusion (%)

9Absorption (%)

20

Test method
Thickness of film: 0.15 mm
Water resistance: Dipped film in water for 4 days at 23ºC
Alkali liquid of resistance: Dipped film in 1 N of NaOH for 4 days at 23ºC

4. Applications(1) Application of wood working and construction usages
1) Application of mortar enhancement adhesives(Application of performing paints and construction method)
S-400HQ
Adhesion(MPa)

Blank(No primer)

Dry*1

2.6(A to B)

0.4 (D)

Wet*2

2.0 (A to B)

0.9(C to D)*1：air-dried: 4 weeks*2：air-dried: 2 weeks → under water: 2 weeks

Evaluation method
Mortar plate: ISO standard (7 × 7 × 2 cm)
Coating mortar:
Formulation: Cements/Sand No.5 /Sand No.7 = 500/500/500 g
W/C = 53%
Physical property: Flow value = 167 cm, Limited volume mass = 2.13
< Setup method of base material >The mortar plate is polished and cleaned. The concentrated emulsion of
15% is spread on the mortar plate. The emulsion mass is 150 g/m2. It wasstood for 1 day at room temperature.
< Mortar stamped >Spread fresh mortar on the mortar plate (Size: 4 × 4 × 1 cm), then stood for
2 days in the humidity air and at room temperature.
< Cure >After stamped, cured for two days in a humidified air, and then cured in
air-dried state (23°C×65%).
< Measurement of adhesion >Measured adhesion in accordance with JIS A1171
Destruction state− A: Spread mortar broken
B: Upper 50% of spread mortar broken
C: A part of spread mortar broken
D: Adhesive failure2) Application of mortar admixture usages(Application of admixture and construction method)
S-400HQ
P/C = 5%

P/C = 10%

W/C

(%)

70

65

Mortar density(kg/L)

1.99

1.96

Air content

(%)

7.7

9.1

168

161

Flow value
Bending strength

(MPa)

6.2

6.8

Compress strength(MPa)

53.0

52.0

Adhesion strength(MPa)

1.5 A

1.6 A

Water adsorption

(%)

9.8

7.2

Water permeability(g)9.25.1

Dimension stability

(%)

0.083

0.090

Test method: Accordance with JIS A 6203 “cement admixture dispersion”
Strength adhesion: broken state − A…Base board broken(2) Application of adhesion usage
1) Comparative adhesive specification of Sumikaflex 400HQ and vinyl acetatehomo emulsion
Vinyl acetate

Material A

S-400HQ

PVC film

Excellent

Bad

Nylon film

Excellent

Bad

PET film

Good

Bad

PP film

GoodBadPE film

Bad

Bad

PVDC film

Excellent

BadAluminum

Excellent

GoodCellophane.

GoodUsual

Excellent

Bad

Poly urethane foamhomo emulsion

Polypropylene film is contacted with corona treatment

2) Initial adhesion

S-400HQ
Set time (sec)

22Emulsion is applied to linerboard (basis weight: 200 g/m2) for 3 mils by wet.
Immediately, laminate quality paper (basis weight: 90 g/m2), perform 180°
delaminating quickly, measure the time when 100% paper broken.
1) Adhesion of various base materials
S-400HQ
Dry

PET

0.7(N/25 mm)

OPP

0.8

WetPET0.2(N/25 mm)

OPP

0.8

Perform the application of cloth (cotton broadcloth#40) for 100 g/m2 thenadhesive for various base materials. Dry over 4 days in condition of 23°C ×65%RH. Perform the 180° delaminating test (tension speed: 200 mm/min) as isdry test, but as for wet test, keep wetting state after 24 hr exposure in water.
2) Adhesion of vinyl chloride plywood
S-400HQ
Dry strength(N/25 mm)49

Wet strength(N/25 mm)

15Heat resistance creep(mm/hr)

40

Test method
PVC sheet: Half semi rigid PVC sheet
Plywood: Lauan Type I 3 ply 3mm thick
Formulation: Emulsion / toluene = 100 / 6
Coating weight: Wet 130 g/m2
Clamping: 50 kg/30cm × 30cm, 20 hours (23ºC × 65%RH)
Aging: 6 days after clamping (23ºC × 65%RH)
Dry strength: Peel 100 mm/min of 180° angle
Wet strength: after in the water for 20 hours, peel 100 mm/min of 180° angle
Heat resistance creep: Measure the lamination distance in condition of 60ºC,90° angle and 500 g weight.

3) Cloth/cloth adhesion
S-400HQ
Dry strength(N/25 mm)

43

Wet strength(N/25 mm)

5Heat resistance creep (mm/hr)

14

Test method
Textile: Cotton #40
Application:
Coating: emulsion of 40% solid % diluted is applied for 100 g/m2, dried for
80ºC × 10 min. After tried, perform application of straightemulsion for 100 g/m2.
Lamination: Laminate soon after coated and pressed by hand roller
Clamping: 2 kg/15 cm × 15 cm for 20 hours (23ºC × 65%RH)
Aging: 7 days after clamping (23ºC × 65%RH)
Original adhesive strength: Peel 200 mm/min of at 180° angle
Wet strength: after in the water for 20 hours, peel 200 mm/min at 180°
angle
80ºC creep: Measure the delaminating distance in condition of 80ºC, 500 g
weight of T-junction.