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INV high primary hydroxylated modified polyether polyol P1000 P2000

Date：2023-12-12      Categories：Application

P-1000 P-2000 is a high primary hydroxylated modified polyether polyol. Compared with ordinary polyether polyols, it has the characteristics of high reactivity, high mechanical strength and good water resistance and weather resistance. Widely used in polyurethane resin synthesis, adhesives, elastomers, coatings, etc.

Basic parameters

Project

Unit

Specifications

P-1000

P-2000

Appearance

Moisture

pH

hydroxy value

Viscosity

acid value

VISUAL

%

Triol

mgKOH/ g

25℃ , mPa.s

mgKOH/ g

Transparent liquid

0.05 MAX

After 3 days of weathering test

Tear strength (MPa)

24

16

55

Strength retention%

81

75

93

Sample conditions
Device:SUPER UV TESTER; Light source: Metal halide mercury lamp; Irradiation intensity: 75mW/cm2; Irradiation temperature: 73°C 50%Rh×3.8hr; 38°C 95%Rh×1hr for 3 days (15 cycles).

Strength retention rate after water resistance test:

Project

P-2000

PP-2000

PTMEG2000

Early days

Tear strength (MPa)

30

21

59

After 5 days of weathering test

Tear strength (MPa)

20

9

56

Strength retention%

68

44

95

Experimental conditions: Soak in NaOH 10%wt solution for 5 days at 70°C.

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After 5 days of weathering test

Tear strength (MPa)

20

9

56

Strength retention%

68

44

95

Experimental conditions: Soak in NaOH 10%wt solution for 5 days at 70°C.

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