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Composition of an organophosphorus acid-funcionalized latex and an aminosilane

A kind of aminosilane, technology of composition, applied in composition, provides a kind of composition field, can solve the problem such as can't be effectively antifouling

Pending Publication Date: 2021-04-09
DOW GLOBAL TECH LLC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Rokowski further discloses aqueous coating compositions comprising aminosilanes and emulsion polymers to provide improved antifouling performance in primers; however, as will be demonstrated in this application, when these coating compositions are used in paint and primer When paint and primer in one formulation (paint and primer in one formulation), it cannot be effectively anti-fouling

Method used

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  • Composition of an organophosphorus acid-funcionalized latex and an aminosilane
  • Composition of an organophosphorus acid-funcionalized latex and an aminosilane
  • Composition of an organophosphorus acid-funcionalized latex and an aminosilane

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0035]Example 1 - Preparation of PEM functionalized latex by 1% 2-aminoethyl-3-aminopropyltrimethoxysilane

[0036]The programs of Comparative Example 3 were followed, except that 1% by weight of 2-aminoethyl-3-aminopropyltrimethoxysilane was added to the latex.

[0037]Example 2 - Preparation of PEM functionalized latex by 1% 2-aminoethyl-3-aminopropyl methoxysilane

[0038]The programs of Comparative Example 3 were followed, except that 1% by weight of 2-aminoethyl-3-aminopropyl methyl dimethoxysilane was added to the final latex in addition to the latex solid.

[0039]

[0040]2-aminoethyl-3-aminopropyl methyl dimethoxysilane

[0041]Example 3 - Preparation of PEM functionalized latex by 1% aminopropyltriethoxysilane

[0042]The programs of Comparative Example 3 were followed, except that 1% by weight of the latex solid was added to the final latex.

[0043]

[0044]3-aminopropyl triethoxysilane

[0045]Example 4 - Preparation of PEM functionalized latex by 1% N-methylaminopropyltrimethoxysilane

[0046]The prog...

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Abstract

The present invention relates to a composition comprising a) an aqueous dispersion of polymer particles comprising structural units of a phosphorus acid monomer or a salt thereof; and b) an aminosilane. The composition is effective for improving block resistance in such pigmented coating formulations.

Description

Background technique[0001]The present invention provides a composition comprising an organophosphate functionalized latex and an amino silicone; the composition can be used to provide antifouling properties.[0002]Historically, reactive pigments such as ZnO or, or other cationic additives have been used to improve the antifouling properties of the film prepared from the aqueous coating composition. It is believed that these pigments will bind to a stainless molecule that is usually anionic, thereby preventing stains from penetrating into the film; however, according to US 5,527,619 (ROKOWSKI), reactive pigment can cause stability problems, such as viscosity increase and polymer gel, and have been It is unfavorable. "[0003]Other efforts that are committed to improving antifouling properties are concentrated on improving the barrier properties of the coating by using hydrophobicity and low molecular emulsion polymers. These attempts have only achieved part success; the same antifouling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/02C09D7/63C09D133/06C08K5/544
CPCC09D5/022C09D7/63C08K5/544C08F220/1804C09D143/02C08F220/14C08F230/02C09D5/024C09D7/65C09D133/062C08F220/18C08L43/02C08L2201/54
Inventor A·艾拉G·W·东布罗夫斯基P·E·哈特奈特O·M·普雷斯利Q·张
Owner DOW GLOBAL TECH LLC