Poly(Acrylic Acid) From Bio-Based Acrylic Acid And Its Derivatives

USPTO Patent Application US 2018/0009915 A1
Application Date: Jan. 11st, 2018

ABSTRACT

Bio-based glacial acrylic acid, produced from hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof and having impurities of hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof, is polymerized to poly(acrylic...
Application Number:
15/707,177
International Classification:
C08F 20/06 (20060101); A61L 15/24 (20060101); B01J 20/26 (20060101); A61L 15/60 (20060101); C08L 33/02 (20060101); C08F 220/06 (20060101)
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CLAIMS

What is claimed is:

1. A superabsorbent polymer composition produced from an acrylic composition, wherein said acrylic composition comprises an acrylic acid composition, wherein said acrylic acid composition consists of acrylic acid, acrylic acid derivatives, or mixtures thereof, wherein said acrylic acid composition comprises at least about 98 wt % acrylic acid, acrylic acid...

DESCRIPTION

FIELD OF THE INVENTION

The present invention generally relates to the production of poly(acrylic acid) (PAA) from bio-based acrylic acid, acrylic acid derivatives, or mixtures thereof produced from hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof. More specifically, the invention relates to the polymerization of bio-based glacial acrylic acid, acrylic acid derivatives, or mixtures...
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