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Soy composite materials comprising amino resin and methods of making same

A composite material, amino resin technology, applied in non-woven fabrics, textiles and papermaking, etc., can solve the problems of forming marks, streaks, poor applicability, etc.

Inactive Publication Date: 2013-12-25
ROHM & HAAS CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the binder compositions disclosed by Kelly may not be well suited for the composites of the present invention because, at appropriate formulation solids levels (10-25% or higher), the hydroxyamides would render the soy-based Increased adhesive viscosity may result in poor applicability, formation of marks, streaks, or low adhesive weight (LOI) when forming wet-laid mats

Method used

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  • Soy composite materials comprising amino resin and methods of making same
  • Soy composite materials comprising amino resin and methods of making same
  • Soy composite materials comprising amino resin and methods of making same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0097] Example 1-6: Emulsion Copolymer Synthesis

[0098] To a 5 L round bottom flask equipped with paddle stirrer, thermocouple, nitrogen inlet and reflux condenser was added 876.4 g deionized water, 24.2 g sodium hypophosphite monohydrate, 28.5 g sodium lauryl ether sulfate surfactant solution (30%), 3.1 grams of sodium hydroxide, and 0.058 grams of inhibitor. The mixture was heated to 79°C.

Embodiment 1

[0099] For Example 1, a monomer emulsion was prepared using the following: 459.7 grams of deionized water, 89.2 grams of sodium laureth sulfate surfactant solution (30%), 553.9 grams of butyl acrylate, 969.7 grams of styrene, and 268.9 grams of acrylic acid. A 97.0 gram aliquot of the monomer emulsion was added to the reaction flask with stirring, followed by a solution of 7.4 grams of ammonium persulfate dissolved in 33.3 grams of deionized water. After the exotherm occurred, the monomer emulsion and a separate solution of 7.4 grams of ammonium persulfate dissolved in 156.9 grams of deionized water were gradually added over a total period of 130 minutes while maintaining the reaction temperature at 85°C . After these additions were complete, a solution of 42.6 grams of sodium hydroxide dissolved in 397.4 grams of deionized water was added. A solution of 0.022 grams of ferrous sulfate heptahydrate dissolved in 4.8 grams of deionized water and a solution of 0.022 grams of ethy...

Embodiment 7

[0103] Embodiment 7 emulsion copolymer is synthesized

[0104] Into a 2-liter four-neck round bottom flask equipped with a condenser, thermocouple, and overhead stirrer at 85°C was added a mixture of the following components: 405.0 grams of deionized water, 105.0 grams of acrylic latex with a particle size of 58 nm, and 3.0 grams of ammonium persulfate. A monomer emulsion was prepared using the following: 125.0 grams deionized water, 20.0 grams sodium lauryl ether sulfate surfactant solution (30%), 258.0 grams butyl acrylate, 282.0 grams methyl methacrylate, and 60.0 grams acrylic acid. Under the condition of stirring the initial feed at 85°C, gradually add the monomer emulsion and a solution of 3.0 g of ammonium persulfate dissolved in 66.0 g of deionized water to the reaction flask within 120 minutes while keeping the temperature at 85°C. -87°C. After the addition of the monomer emulsion and ammonium persulfate solution was complete, the reaction mixture was held at 85°C...

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Abstract

The present invention provides composite materials derived from aqueous binder compositions comprising defatted soy flour of no greater than 43 micron mesh particle size, polymer particles of at least one emulsion (co)polymer, one or more amino resin, and, optionally, one or more reducing sugar. Also provided are methods of making and using composite materials containing the binder compositions.

Description

technical field [0001] The present invention relates to composite materials and methods for their manufacture. In particular, the present invention relates to flexible composite materials comprising a substrate and a cured or dried adhesive composition, wherein the cured or dried adhesive composition is formed from an aqueous adhesive The water-based adhesive composition comprises: defatted soy flour as main components, one or more emulsion (co)polymers, one or more amino resins, and optionally One or more reducing sugars; the present invention also relates to the preparation method of said composite material. The composite material can be used in flexible applications, for example in glass mats for roof panels. Background technique [0002] Urea-formaldehyde (UF) resins, phenolic (PF) resins or urea-extended phenolic resins (PFU) are routinely used to prepare composite materials such as fibrous structures (e.g. non-woven fiber insulation) and shaped articles (e.g. fiberbo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04H1/4218D04H1/435D04H1/587D04H1/64C08L89/00C08L61/24C08L25/14
CPCC08J5/043C08L89/00C08J2333/06C08J2325/14C08J2397/02C08J5/046D04H1/641D04H1/435D04H1/4218C08J2361/24D04H1/587D04H1/64
Inventor M·D·凯利
Owner ROHM & HAAS CO