CASES OF UTILIZATION
[1] Cases of Utilization
of AS39 Rosin Neutral Size
------Alkaline
sine based on rosin size
[2] Cases of Rosin
Emulsion Size ER65
----- High-efficient and low-foaming
Shanghai University Nimble-tech Co. Ltd
Address： Room 402A,
Science & Technology Park, Shanghai University , 149 Yanchang Road, Shanghai city, P.R. China, 200072
Fax / Telphone：86-21-56334269, 36033271, FAX: 86 21 36038271
http: // www.higradechemicals.com.cn
Email: zhuyqk@citiz.net
[1] Cases of Utilization
of AS39 Rosin Neutral Size
Example 1 Application of AS39 to neutral
printing paper
Paper machine：1575 fourdrinier machine
Product：60g/m2 hectograph paper
Velocity ： 140 m/min
Table 1 Contrast of sizing processing
|
|
acid sizing |
AS39
neutral sizing |
|
additives
dosage |
0.75%
saponified rosin size, 3%
alum,26% talc |
1.2%
AS39，0.1% CH16，1% alum，0.3%
RG03， 26%
CaCO3 |
|
white-water
consistency (%) |
0.242 |
0.0584 |
|
Single
pass retention (%) |
78.00 |
90.00 |
Results
•SPR increased by 10%，ash content increased by 3%
•the folding endurance、breaking
length and whiteness of paper sheet was
improved obviously
Example 2 Application of AS39 to kraft
paperboard
Paper machine：2400 multi-cylinder paperboard machine
Product：
180g/m2 kraft paperboard Velocity：110 m/min
Table 2 Contrast of sizing processing
|
|
acid sizing |
AS39
neutral sizing |
|
cover
layer additives |
5.6%
alum, 1%
dispersed rosin size |
1% alum，1%AS39，0.3%R100，0.5%RG02, 0.02%RG03 |
|
bottom
layer additives |
3%
alum, 0.5%
dispersed rosin size |
1% alum，0.5%AS39，0.3%R100，0.5%RG02。 |
|
white-water
consistency(%) |
0.0776 |
0.0396 |
|
SPR
(%) |
73.50 |
87.53 |
Results
•SPR increased by 10%
•the folding endurance of kraft
paperboard was improved by 56%
Example 3 Application of AS39 to neutral
writing paper
Paper machine：1760 fourdrinier machine Product：70g/m2
writing paper
Velocity ：
192 m/min
Table 3 Contrast of sizing processing
|
|
acid sizing |
AS39
neutral sizing |
|
additives
dosage |
5% alum 1.0%
saponified rosin size, 20%
talc |
1% alum，
1%AS39， 0.6%
cationic starch， 0.04%
RG03, 18%
talc |
|
white-water consistency
(%) |
0.15 |
0.11 |
|
Filler
SPR (%) |
42.88 |
73.45 |
Results
•physical intensity(folding endurance, surface intensity) of paper sheet
increased obviously
•effluent was cut
down obviously, fillers retention increased by 30%
Example 4 Effect of AS39 on reducing effluent load
Paper machine：1092 cylinder machine
Product ： 40g/m2 M.G. paper Velocity
：90 m/min
Table 4 Contrast of sizing processing
|
|
acid sizing |
AS39
neutral sizing |
|
additives
dosage |
1.5%
saponified rosin size, 6% alum, 32%
talc |
1.2%
AS39，1% alum，
0.7%RG01,0.3%RG03, 1.2% starch，26% CaCO3 |
|
white-water
consistency (%) |
0.0351 |
0.0134 |
|
SPR
(%) |
85.00 |
96.85 |