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Use of a new novel grafted Guar Gum-copolymer as a pitch fixative


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McLean, DS, Agarwal, V, Stack, KR and Richardson, DE 2011 , 'Use of a new novel grafted Guar Gum-copolymer as a pitch fixative', paper presented at the 65th Appita Annual COnference and Exhibition, 10-13 April, Rotorua, New Zealand.

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A novel fixative, guar gum-graft-poly(acrylamide-codiallyldimethylammonium
chloride ) (aka GG-gp(
AM-co-DADMAC)) was developed. This new
grafted polymer proved to be very effective at adsorbing
hydrophobic wood resin particles onto papermaking
fibre surfaces and thus removing the troublesome wood
resins from the water phase where they have a tendency
to aggregate and form troublesome deposits. The new
polymer is unique in that it takes advantage of the
colloidal stabilising features of a natural product, guar
gum and the wood resin fixative properties of a
synthetic polymer p(AM-co-DADMAC)). GG-gp(
AM-co-DADMAC was effective over the entire pH
range as compared to other commercially available
polymeric fixatives that were evaluated.

Item Type: Conference or Workshop Item (Paper)
Authors/Creators:McLean, DS and Agarwal, V and Stack, KR and Richardson, DE
Keywords: co-polymer, guar gum, poly(acrylamide-codiallyldimethylammonium chloride, pDADMAC, wood resin fixatives, papermaking
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