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Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins

A technology of etherified amino resins and inorganic materials, which is applied in the field of bonding non-solid oxidized inorganic materials with etherified amino plastic resins and the curing composition of said materials and etherified amino plastic resins, which can solve the problem of crack reclosing, hydrocarbon problems such as reduced productivity

Inactive Publication Date: 2013-08-28
BASF AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition to the above problems, this can have the effect of reclosing the fractures formed in the rock and significantly reducing the yield of hydrocarbons extracted

Method used

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  • Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins
  • Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins
  • Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0066] The purpose of the following examples is to illustrate the invention in detail.

[0067] 1. Test series

[0068] For the first test series, commercial etherified amino resins were used:

[0069] Resin 1 A commercial melamine-formaldehyde resin highly etherified with methanol, dissolved in a methanol-water mixture, having a solids content of about 81-85% by weight

[0070] Resin 2 Commercial urea-formaldehyde resin etherified with methanol, which is urethanated (i.e. product comprising structural units of formula (II)), solvent-free

[0071] Resin 3 A commercial urea-formaldehyde resin etherified with methanol, which is urethanated, soluble in water, and has a solids content of about 75-79% by weight

[0072]Resin 4 A commercial urea-formaldehyde resin etherified with methanol, uncarbamated, soluble in water, with a solids content of about 75-79% by weight

[0073] Modified resin:

[0074] In addition, additives are used to prepare modified resins. For this, one ...

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Abstract

Binding non-solid, oxidic, inorganic materials with a curable composition, comprises contacting the inorganic materials with a curable composition comprising at least one curable resin and subsequently thermal curing of the resin, where: the resin is an etherified aminoplast resin; the amount of the curable composition is 0.5-60 wt.%, relative to the amount of the inorganic materials; and the curing step is carried out at greater than 0-280[deg] C. An independent claim is included for a solid composition comprising inorganic particles and a cured resin obtained by the above process.

Description

technical field [0001] The present invention relates to a method for bonding non-consolidated oxidic inorganic materials with curable formulations comprising etherified amino resins, and to cured compositions obtainable by said method. A preferred embodiment of the present invention includes a method of stabilizing a formation composed of oxidic inorganic material, wherein the curable composition is injected into the formation and cured at temperatures present in the formation. Background technique [0002] In oil and gas exploration, hydrocarbons or conventional hydrocarbon-water mixtures are often found in unconsolidated sand and rock formations. Mining can expel sand grains from the formation along with the hydrocarbon-water mixture due to the shear forces that occur during the mining process. Grit, for example, can penetrate into production lines, into underground and surface pumping equipment, as well as into installed water separators and piping systems, where they ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C1/22C09K17/28C09K17/40C09K8/575C09K8/508C09K8/512C04B26/12
CPCC09K17/40B22C1/2246C04B26/127C04B2111/0075C04B26/12C04B2111/00724C09K8/5086C09K17/28C09K8/5755C09K8/512C04B2111/00732C04B14/04C04B14/06C04B14/10C04B14/20C04B14/303C04B20/0076C04B2103/10
Inventor C·尼施克C·施平德勒
Owner BASF AG
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