Delaying the gelation of water soluble polymers

Details Delaying the gelation of water soluble polymers Delaying the gelation of water soluble polymers

Category

E - Fixed Constructions

Subcategory

21

Subsubcategory

B

CPC

31/23, 400/9051,

IPC codes

E21B 43/25 (2006.01) C09K 8/72 (2006.01) C09K 8/88 (2006.01) E21B 43/27 (2006.01)

Type

Patent

Patent number

CA 1315909

Description

32344CA Abstract of the Disclosure A process is disclosed for delaying the rate at which water soluble polymers are gelled by an aldehyde and a phenolic compound and for increasing the mechanical strength of these gels which comprises contacting an aqueous solution of said water soluble polymer, aldehyde, phenolic compound, and water with from .004 to about 0.049 wt % of a transition metal ion. In addition, novel gelable compositions are disclosed.

Application Number

554197

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