PREPARATION AND SWELLING PROPERTIES OF SUPER-ABSORBENT POLYMER

LIU Mingzhu; CHENG Rongshi; WU Jingjia

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PREPARATION AND SWELLING PROPERTIES OF SUPER-ABSORBENT POLYMER

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- PREPARATION AND SWELLING PROPERTIES OF SUPER-ABSORBENT POLYMER
- Vol. 14, Issue 1, Pages: 48-56(1996)
- Affiliations：
  
  1.   Department of Chemistry
  2.   Nanjing University
  3.   Nanjing 210093
  4.   Lanzhou University
  5.   Lanzhou 730000
- Author bio：
- Funds：
- DOI：
  CLC： TQ317
- Published：20 March 1996
- Accepted：
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[1]柳明珠,程镕时,吴靖嘉.PREPARATION AND SWELLING PROPERTIES OF SUPER-ABSORBENT POLYMER[J].Chinese Journal of Polymer Science,1996,{4}(01):48-56.

LIU Mingzhu, CHENG Rongshi, WU Jingjia. PREPARATION AND SWELLING PROPERTIES OF SUPER-ABSORBENT POLYMER[J]. 1996, 14(1): 48-56.
[1]柳明珠,程镕时,吴靖嘉.PREPARATION AND SWELLING PROPERTIES OF SUPER-ABSORBENT POLYMER[J].Chinese Journal of Polymer Science,1996,{4}(01):48-56. DOI：

LIU Mingzhu, CHENG Rongshi, WU Jingjia. PREPARATION AND SWELLING PROPERTIES OF SUPER-ABSORBENT POLYMER[J]. 1996, 14(1): 48-56. DOI：

摘要

正

A super-absorbent polymer is prepared by graft polymerizing acrylamide （AM） ontopotato starch using ceric ammonium nitrate （CAN） and N

N′-methylene-bis-acrylamide（bisAM） as an initiator and cross-linking agent respectively

and then subjecting the potatostarch-poly（acrylamide）（PAM） graft copolymer （SPAM ） to alkaline saponification. Thewater absorbency （WA） of the sample is nearly 5000 g H

O/g for dry sample in 24 hat room temperature and is far larger than that of reported in the literature. Thevariables affecting the WA were investigated and optimized

they were: concentrations ofpotato starch

CAN and bisAM were 26.3 g/L

1.14 mol/L

10.3 mmol/L and 0.53mmol/L

respectively. The amount of sodium hydroxide was 15 g and the temperatures ofgraft copolymerization and saponification reactions were 60℃ and 95℃. The time of graftcopolymerization and saponification reactions was 2 h

respectively.

Abstract

A super-absorbent polymer is prepared by graft polymerizing acrylamide （AM） ontopotato starch using ceric ammonium nitrate （CAN） and N

N′-methylene-bis-acrylamide（bisAM） as an initiator and cross-linking agent respectively

and then subjecting the potatostarch-poly（acrylamide）（PAM） graft copolymer （SPAM ） to alkaline saponification. Thewater absorbency （WA） of the sample is nearly 5000 g H

O/g for dry sample in 24 hat room temperature and is far larger than that of reported in the literature. Thevariables affecting the WA were investigated and optimized

they were: concentrations ofpotato starch

CAN and bisAM were 26.3 g/L

1.14 mol/L

10.3 mmol/L and 0.53mmol/L

respectively.

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