ALKALI-SOLUBLE RESIN (ASR) SHELL EPOXY RDP WITH DIVALENT METAL IONS EXHIBITING IMPROVED POWDER REDISPERSIBILITY: Fid-Bau Portal

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ALKALI-SOLUBLE RESIN (ASR) SHELL EPOXY RDP WITH DIVALENT METAL IONS EXHIBITING IMPROVED POWDER REDISPERSIBILITY

CHEN LIANG / WESTMEYER MARK D

The present invention provides multilayer polymer redispersible powder (RDP) particles comprising a major proportion of from 50 to 90 wt. %, preferably, from 60 to 85 wt. %, based on total polymer solids, of epoxy resin resins having a calculated glass transition temperature (Tg) of from 0 to 40° C., a methacrylic acid containing alkali soluble polymer outer layer, and a divalent metal, such as zinc powder, having an aqueous pKa of 9.55 or more, or its acid salt having a pH of 7.0 or less, such as strong acid salts, e.g., chlorides, sulfates or phosphates, or organic acid salts, e.g., acetates, succinates and citrates, as well as to methods of making the same.

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ALKALI-SOLUBLE RESIN (ASR) SHELL EPOXY RDP WITH DIVALENT METAL IONS EXHIBITING IMPROVED POWDER REDISPERSIBILITY

CHEN LIANG / WESTMEYER MARK D

The present invention provides multilayer polymer redispersible powder (RDP) particles comprising a major proportion of from 50 to 90 wt. %, preferably, from 60 to 85 wt. %, based on total polymer solids, of epoxy resin resins having a calculated glass transition temperature (Tg) of from 0 to 40° C., a methacrylic acid containing alkali soluble polymer outer layer, and a divalent metal, such as zinc powder, having an aqueous pKa of 9.55 or more, or its acid salt having a pH of 7.0 or less, such as strong acid salts, e.g., chlorides, sulfates or phosphates, or organic acid salts, e.g., acetates, succinates and citrates, as well as to methods of making the same.

ALKALI-SOLUBLE RESIN (ASR) SHELL EPOXY RDP WITH DIVALENT METAL IONS EXHIBITING IMPROVED POWDER REDISPERSIBILITY

CHEN LIANG / WESTMEYER MARK D

The present invention provides multilayer polymer redispersible powder (RDP) particles comprising a major proportion of from 50 to 90 wt. %, preferably, from 60 to 85 wt. %, based on total polymer solids, of epoxy resin resins having a calculated glass transition temperature (Tg) of from 0 to 40° C., a methacrylic acid containing alkali soluble polymer outer layer, and a divalent metal, such as zinc powder, having an aqueous pKa of 9.55 or more, or its acid salt having a pH of 7.0 or less, such as strong acid salts, e.g., chlorides, sulfates or phosphates, or organic acid salts, e.g., acetates, succinates and citrates, as well as to methods of making the same.

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Title:

ALKALI-SOLUBLE RESIN (ASR) SHELL EPOXY RDP WITH DIVALENT METAL IONS EXHIBITING IMPROVED POWDER REDISPERSIBILITY

Contributors:

CHEN LIANG (author) / WESTMEYER MARK D (author)

Publication date:

2015-06-25

Type of media:

Patent

Type of material:

Electronic Resource

Language:

English

Classification:

IPC: C08J Verarbeitung , WORKING-UP / C04B Kalk , LIME

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