Cellulose acetate butyrate(CAB)

CAS: 9004-36-8

Cellulose ester(CAB)

Cellulose acetate Butyrate(CAB)

CAB is a versatile ingredient derived from bio-based cellulose by butyrate and acetate, it varies with different degree of substitute and molecular weight and its distribution.

Features and properties:

It has the ability of wetting,toughness, flexibility, flow and rheology control, and weather resistance. Compatible with many resins and soluble in low-cost solvent systems.

Applications:

used as binders in protective and decorative coatings for metal, wood, cloth, paper, plastic, and leather etc.

CAB-381-0.1

Typical properties:

Property	Typical spec	Typical values
Appearance	White powder	White powder
Butyryl content	35.5-41.5%	37%
Acetyl content	10.0-17.0%	13%
Hydroxyl content	0-3%	0.2%
Viscosity^a	0.1-0.4	0.1
Color(Pb-Co)^b	100 max	20
Turbudity(NTU)	50 max	10
Ash	3% max	0.1%
Refraction index	1.48
Melting point	130-145^oC
Specific grativity	1.2
Tg	113^oC
GPC,Mn (^c)		10000

CAB-381-0.5

Typical property:

Property	Typical spec	Typical values
Appearance	White powder	White powder
Butyryl content	35.5-41.5%	37%
Acetyl content	10.0-17.0%	13%
Hydroxyl content	0-3%	1%
Viscosity^a	0.5-0.9	0.60
Color(Pb-Co)^b	100 max	38
Turbudity(NTU)	50 max	10
Ash	3% max	0.5%
Moisture	3% max	1%
Refraction index	1.48
Melting point	150-165^oC
Specific gravity	1.2
Tg	125^oC
GPC(Mn)^c		40000

CAB-551-0.2

Typical property:

Property	Typical spec	Typical values
Appearance	White powder	White powder
Butyryl content	45-58%	52%
Acetyl content	0.1-5%	3%
Hydroxyl content	0-3%	1%
Viscosity(poise)^a	0.2-0.6	0.55
Moisture	3% max	1%
Color(Pb-Co)^b	100 max	90
Turbudity(NTU)^c	50 max	20
Ash	3% max	0.5%
Refraction index	1.475
Melting point	160-185^oC
Specific gravity	1.16
Tg	100^oC
GPC (Mn)		90000