Aqueous composition of organo-silicone with amido group functionalization

An organosiloxane, amino functionalization technology, applied in the water-based group of 02, organopolysiloxane, organosiloxane, Minggong, the field of preparing the composition, can solve the problems of low penetration depth and the like

Inactive Publication Date: 2009-03-25
GOLDSCHMIDT CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The state of the art is protected against penetration of chlorides by fluorine-functionalized cocondensates, but due to their very low penetration depth, they hardly penetrate into porous building materials

Method used

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  • Aqueous composition of organo-silicone with amido group functionalization
  • Aqueous composition of organo-silicone with amido group functionalization
  • Aqueous composition of organo-silicone with amido group functionalization

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 11

[0257] Preparation of Water-Soluble Cohydrolysates from Aminopropyltriethoxysilane (AMEO) and Methyltriethoxysilane (MTES) in a 1:1 Molar Ratio

[0258] 221g AMEO and 178g MTES were mixed in the above apparatus and 54g water was added. After half an hour, a further 126 g of water were added thereto via the metering device within 15 minutes with stirring. During this time the temperature rises from 20°C to about 50°C. Under stirring conditions, 114 g of HCl (32% by weight in water) were metered in via the metering device within a further 15 minutes. The ethanol / water mixture was distilled off at a bottom temperature of about 60° C. and a pressure of about 135 mbar in about 4 hours until the top temperature was about 50° C. and the top product contained only water. During the distillation, water is supplied to the product via a metering device to the extent that the amount of distillate is removed.

Embodiment 12

[0260] As Example 1.1, with the difference that 60 g of acetic acid was used instead of aqueous HCl for pH adjustment.

Embodiment 13

[0262] Preparation of water-soluble cohydrolyzates / co-organosiloxanes from AMEO and propyltrimethoxysilane (PTMO) in a 1:1 molar ratio

[0263] 221g AMEO and 164g PTMO were mixed in the above apparatus and 54g water was added. After half an hour, a further 126 g of water were added thereto via the metering device within 15 minutes with stirring. During this time the temperature rose from 20°C to about 57°C. Under stirring conditions, 114 g of HCl (32% by weight in water) were metered in via the metering device within a further 15 minutes. The ethanol / methanol / water mixture was distilled off at a bottom temperature of up to 102° C. and atmospheric pressure in about 4 hours until the top temperature was about 100° C. and the top product contained only water. During the distillation, water is supplied to the product via a metering device to the extent that the amount of distillate is removed.

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Abstract

The invention relates to an amino-functionalized organic siloxane aquiferous composite, a preparation method and an application thereof. The aquiferous composite is basically based on amino-functionalized water-soluble organic siloxane of Formula I, VIII and/or IX. The organic siloxane has chain-shaped, ring-shaped and/or cross-linking structural units. The structural units are based on various substituted alkoxy silane, for example, amino-, perfluoroalkyl-, alkyl-, aryl-, alkenyl- or hydrogen functionalized single-, two and/or three alkoxy silane. In addition, the invention also discloses the method for preparing the composite and the application thereof. R<4>O[(A)Si(R<1>)z(OR<2>)1-zO]a[Si(B)(R<3>)y (OR<4>)1-yO]b[Si(C)(R<5>)O]c [Si(D)(OR<9*>)O]d[Si(E)(R<1*>)z* (OR<2*>)1-z*O] uR<4> question mark (HX)e (I), [A SiO1.5] (HX)e(VIII) and/or [SiO1.5A SiO1.5] (HX)e (IX).

Description

technical field [0001] The present invention relates to aqueous compositions based essentially on water-soluble amino-functional organosiloxanes. The organosiloxane has chain, cyclic and / or crosslinked structural units. The structural units are in turn based on various substituted alkoxysilanes, such as amino-, fluoroalkyl-, alkyl-, aryl-, alkenyl-, etc. functionalized mono-, di- and / or trialkoxy base silane. In addition, the invention also discloses the method for preparing the composition and its use. [0002] The water-based organopolysiloxane-containing compositions of the present invention are substantially solvent-free. Solvent-free composition means the absence of aliphatic or aromatic hydrocarbons, halogenated hydrocarbons, glycols, glycol ethers, ethers, ketones, esters, amides and other nitrogen- and sulfur-containing compounds on a purely organic basis And the content of nitro compounds and non-protic (or hydrogen) solvent is less than 10% by weight, in particul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/04C08J3/03C08K5/544C09K3/18C09D183/04C09D7/12C09D5/16C03C17/30C03C6/00D06M15/643C09J183/04C09C3/12C10M107/50G03G9/08A61K31/80A61L31/14C10N40/36
Inventor B·斯坦德克A·-J·弗林斯M·霍恩H·-J·科茨施F·克罗夫冈斯J·蒙基维奇C·-D·塞勒J·斯坦梅茨D·巴富思B·巴特科维阿克R·埃德尔曼C·弗利德纳P·詹克纳E·贾斯特M·考森R·拉芬H·洛曼H·马克S·拉姆洛H·-G·斯雷布尼G·斯维塔拉A·－J·弗林斯H·－J·科茨施C·－D·塞勒H·－G·斯雷布尼
Owner GOLDSCHMIDT CHEM CORP
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