Suitability of polyacrylamide superabsorbent polymers as
Suitability of polyacrylamide superabsorbent polymers as the internal curing agent of well cement Article in Construction and Building Materials 112:253-260 · June 2016 with 38 Reads
Superabsorbent polymers (SAP) help keep the skin dry, thereby preventing the spread of infections in diaper users. Demand for these polymers is expected to be high in the near future. There are two types of superabsorbent polymers (SAP): sodium polyacrylate and polyacrylamide copolymer. Both these polymers are used in the manufacture of diapers and various hygiene products in the market.
Suitability of polyacrylamide superabsorbent polymers as
The research objectives were designed to investigate polyacrylamide superabsorbent polymers as internal curing agent to mitigate autogenous shrinkage of well cement. Results show that poly acrylamide superabsorbent polymer hydrolyzes in alkaline circumstance of cement slurry at high temperature, which causes water absorption increase and then
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Polyacrylamide, Super Absorbent Polymer
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Superabsorbent Polymer & Water Absorbing Polymer & SAP
SINOFLOC superabsorbent polymers (known as SAP) are water-insoluble polymer, cross-linked copolymer of acrylic acid. It is in the form of white, odourless granules. This water-absorbing polymer is produced by acrylic acid and a cross-liner solution through polymerization. This product has the character of superabsorbent which makes this material could absorb and retain water of hundreds of times of its weight shortly.
Polyacrylamide superabsorbent polymer (A-SAP) of which the synthesis and modification technology are simple has no anionic functional groups. Therefore, it could be predicted that polyacrylamide superabsorbent polymers or modified polyacrylamide superabsorbent polymers are likely to be suitable for using as an internal curing agent of well cement.
Zhonghou Shen's research works | China University
Zhonghou Shen's research while affiliated with China University of Petroleum - Beijing Suitability of polyacrylamide superabsorbent polymers as the internal curing agent of well cement
Global Super Absorbent Polymer Market Information- By Type (Polyacrylamide Copolymer, Sodium Polyacrylate, And Others), By End Use (Personal Care, Building & Construction, Agriculture, Food Packaging, And Others) And By Region- Forecast Till 2025
China Super Absorbent Polymers Sap for Water Retention
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- What is polyacrylamide (PAM)?
- This chapter discusses polyacrylamides (PAM). Among the various polymers that have been studied for chemical enhanced oil recovery, PAM is most important. PAM is used frequently for mobility control as well as permeability control. PAM (and its modified forms) is the principal polymer used in significant amounts on a commercial basis.
- What is the standard state of polyacrylamide?
- Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). ?
- ) Polyacrylamide (abbreviated as PAM or pAAM) is a polymer with the formula (-CH 2 CHCONH 2 -).
- What is polyacrylamide polymer?
- It is composed of acrylamide monomers, hence its name. The characteristics of PAM vary greatly depending on the level of polymerisation, making it an extremely versatile compound. Polyacrylamide is a linear polymer chain with recurring acrylamide subunits.
- Is polyacrylamide contaminated with acrylamide?
- Polyacrylamide is of low toxicity but its precursor acrylamide is a neurotoxin and carcinogen. Thus, concerns naturally center on the possibility that polyacrylamide is contaminated with acrylamide. Considerable effort is made to scavenge traces of acrylamide from the polymer intended for use near food.
