EFFECT OF RADIATION ON HIGH-CHARGE-DENSITY POLYDIALLY-DIMETHYL AMMONIUM CHLORIDE IN DILUTE AQUEOUS SOLUTION

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EFFECT OF RADIATION ON HIGH-CHARGE-DENSITY POLYDIALLY-DIMETHYL AMMONIUM CHLORIDE IN DILUTE AQUEOUS SOLUTION

Papers | Updated：2021-06-21

- EFFECT OF RADIATION ON HIGH-CHARGE-DENSITY POLYDIALLY-DIMETHYL AMMONIUM CHLORIDE IN DILUTE AQUEOUS SOLUTION
- Vol. 21, Issue 4, Pages: 459-464(2003)
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- Published：20 August 2003
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EFFECT OF RADIATION ON HIGH-CHARGE-DENSITY POLYDIALLY-DIMETHYL AMMONIUM CHLORIDE IN DILUTE AQUEOUS SOLUTION[J]. 2003, 21(4): 459-464.
DOI：

EFFECT OF RADIATION ON HIGH-CHARGE-DENSITY POLYDIALLY-DIMETHYL AMMONIUM CHLORIDE IN DILUTE AQUEOUS SOLUTION[J]. 2003, 21(4): 459-464. DOI：

摘要

The effect of radiation on high-charge-density cationic polymer

polydiallyl-dimethyl ammonium chloride (poly-DADMAC)

in dilute aqueous solution was investigated. The irradiated samples were characterized in terms of reducedviscosity and electric conductivity. The crosslinking reaction of polyDADMAC chains occurs preferentially in the irradiatedsamples at a concentration of polyDADMAC higher than 1.3 g/100 mL that was induced indirectly by the OH radicals

oneof the radiolysis products of water. In more dilute samples(less than 0.8g/100 mL) the chain scission of macro radicals appears to be the main reaction.N2O atmosphere enhances the crosslinking due to the extra OH radicals produced by reaction between N2O and eaq-

another radiolysis products of water.Methanol and some mineral salts such as KCl

KBr inhibit the crosslinking to a certain extent.The mechanism of sensitization and inhibition is discussed in detail.

Abstract

The effect of radiation on high-charge-density cationic polymer

polydiallyl-dimethyl ammonium chloride (poly-DADMAC)

another radiolysis products of water.Methanol and some mineral salts such as KCl

KBr inhibit the crosslinking to a certain extent.The mechanism of sensitization and inhibition is discussed in detail.

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