TW343986B - Reduction of microfoam in a spray-applied waterborne composition - Google Patents

Reduction of microfoam in a spray-applied waterborne composition

Info

Publication number
TW343986B
TW343986B TW083102030A TW83102030A TW343986B TW 343986 B TW343986 B TW 343986B TW 083102030 A TW083102030 A TW 083102030A TW 83102030 A TW83102030 A TW 83102030A TW 343986 B TW343986 B TW 343986B
Authority
TW
Taiwan
Prior art keywords
solubility
gas
microfoam
composition
spray
Prior art date
Application number
TW083102030A
Other languages
Chinese (zh)
Inventor
Stewart Gebhard Matthew
Scott Simon Ethan
Original Assignee
Rohm & Haas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/153,239 external-priority patent/US6428844B1/en
Application filed by Rohm & Haas filed Critical Rohm & Haas
Application granted granted Critical
Publication of TW343986B publication Critical patent/TW343986B/en

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  • Processes Of Treating Macromolecular Substances (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A method for reducing the amount of microfoam in a spray-applied waterborne polymeric composition comprising spraying the composition using a gas having a solubility factor greater than 35, thereby reducing the amount of microfoam in the dried composition; in which the solubility factor is defined as: solubility factor of a gas = (Solubility of the gas in water)/(solubility of nitrogen in water) the solubility is measured at 25℃, at 1 atmosphere gas pressure, in which the gas is selected from the group consisting of dinitrogen monoxide and carbon dioxide; and in which the polymer in the waterborne polymeric composition is prepared by the addition polymerization of at least one monomer selected from the group consisting of esters of (meth)acrylic acid, vinyl esters, styrene and butadiene, and the viscosity of the waterborne polymeric composition is from 50 to 10,000 centipoises.
TW083102030A 1993-11-15 1994-03-09 Reduction of microfoam in a spray-applied waterborne composition TW343986B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/153,239 US6428844B1 (en) 1993-02-03 1993-11-15 Reduction of microfoam in a spray-applied waterborne composition

Publications (1)

Publication Number Publication Date
TW343986B true TW343986B (en) 1998-11-01

Family

ID=58263677

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083102030A TW343986B (en) 1993-11-15 1994-03-09 Reduction of microfoam in a spray-applied waterborne composition

Country Status (1)

Country Link
TW (1) TW343986B (en)

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