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amberlyst15
來源:    發(fā)布時(shí)間: 2013-11-19 08:43   8233 次瀏覽   大小:  16px  14px  12px
AMBERLYST15是一種大孔的苯乙烯二乙烯基苯共聚物的基礎(chǔ)上磺化而成的強(qiáng)酸性催化劑。
用于:催化化學(xué)處理
優(yōu)點(diǎn):
高催化活性和選擇性
抗聚合物污垢
長壽命
優(yōu)越的耐熱力、機(jī)械和滲透壓休克
出色的穩(wěn)定性
低浸出
?

Typical Properties
These properties are typical but do not constitute specifications.

Physical form

Opaque beads

Ionic form as shipped

Hydrogen

Concentration of active sites [1]

>?1.7 eq/L
> ?4.7 eq/kg

Moisture holding capacity [1]

52 to 57 % (H+ form)

Shipping weight

770 g/L (48 lbs/ft3)

Partical Size

?

???? Uniformity coefficient

<?1.70

???? Harmonic mean size

< 0.600 to0.850 mm

???? Fine contents [1]

<0.355 mm: 1.0 % max

???? Coarse beads

>1.180 mm: 5.0 % max

Nitrogen BET

?

??? Surface area

53 m2 /g

??? Average pore diameter

300 ?

??? Total pore volume

0.40 ml/g

Shrinkage

Water to methanol : 5 %
Water to MTBE : 9 %
Water to hexane : 22 %
Water to dry : 37 %

[1] Contractual value
Test methods available upon request