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Product parameters

Product NameProduct Name	Polycarbonate diol
Model Product Type	PCDL 10 11
Molecular Weight Molecular Weight	1000
AppearanceAppearance	White waxy solid
Hydroxyl contentHydroxyl Content %	3.4
Acidity ValueAcidity Value mg KOH/g	<0.1
ColorColor	100
WaterWater Content %	<0.1
Viscosity70 ℃Viscosity cp.s	590
Melting Point Melting Point ℃	42

Comparison of basic properties of polyurethanes made from various polyols:

project Item	PCDL	Normal PCDL	PTMEG	PHA
Heat resistance Heat stability	Excellent	Excellent	bad	Liang
Weather ability Weather ability	Excellent	Excellent	bad	Liang
Softness Softness	Liang	bad	Excellent	Liang
Water resistance Hydrolysis resistance	Excellent	Excellent	Liang	bad
Fungi resistance Fungi resistance	Liang	Liang	Excellent	Poor
Oleic acid resistance Oleic acid resistance	Liang	Liang	bad	Yes
Ethanol resistance Ethanol resistance	Liang	Liang	bad	Yes

Comparison of mechanical properties of polyurethanes made from various polyols ：

projectItem	PCDL	PCL	PTMEG	PHA
Breaking strength (Mpa)	76- 83	52- 64	66- 72	53- 72
Breaking elongation (%)	580- 630	880- 970	920- 1040	860- 920

Main features
Compared with general polyester and polyether diols, it shows quite excellent mechanical properties, hydrolysis resistance, thermal stability and weather resistance. and solvent resistance.

Product Application
Artificial leather, synthetic leather, TPU, TPE, spandex, adhesive, two-component polyurethane coating, self-healing PU coating, water-based polyurethane dispersion; elastic feel and wear resistance Paint, etc. Improve durability, light resistance, chemical resistance, hydrolysis resistance, and wear resistance , heat resistance and heat yellowing resistance, PCDL will be the best choice.

Solubility/Dilution
It is compatible with esters, ketones, aromatic hydrocarbons and ether esters. Long-term storage of low solid content solutions may cause turbidity and precipitation. Polyurethane grade solvents should be used (moisture <0.1%, no other reactive impurities).

e:12.0000pt”>76-83

52- 64

66- 72

53- 72

Breaking elongation (%)

580- 630

880- 970

920- 1040

860- 920

Main features
Compared with general polyester and polyether diols, it shows quite excellent mechanical properties, hydrolysis resistance, thermal stability and weather resistance. and solvent resistance.

Product Application
Artificial leather, synthetic leather, TPU, TPE, spandex, adhesive, two-component polyurethane coating, self-healing PU coating, water-based polyurethane dispersion; elastic feel and wear resistance Paint, etc. Improve durability, light resistance, chemical resistance, hydrolysis resistance, and wear resistance , heat resistance and heat yellowing resistance, PCDL will be the best choice.

Solubility/Dilution
It is compatible with esters, ketones, aromatic hydrocarbons and ether esters. Long-term storage of low solid content solutions may cause turbidity and precipitation. Polyurethane grade solvents should be used (moisture <0.1%, no other reactive impurities).