HYDRAZIDE COMPOUNDS SUITABLE FOR NUCLEATING POLYLACTIC ACID POLYMER

USPTO Patent Application US 2018/0186728 A1
Application Date: Jul. 5th, 2018

ABSTRACT

Presently describes are hydrazide (e.g. dihydrazide) compounds suitable for use as a nucleating agent for a polylactic acid (“PLA”) polymer. Also described are articles such as a film or fiber...
Application Number:
15/737,473
International Classification:
C07C 243/28 (20060101); C08K 5/25 (20060101)
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CLAIMS

What is claimed is:

1. A composition comprising: semicrystalline polylactic acid polymer; anda nucleating agent having the formula:wherein R1 is an alkylene group; andR2 is a C1-C6 alkyl group.

DESCRIPTION

BACKGROUND

Lactic acid is a renewable material obtained by the bacterial fermentation of corn starch or cane sugar, and thus is considered a natural or in otherwords “biomass” material. Lactic acid has two optical isomers: L-lactic acid (also known as (S)-lactic acid) and D-lactic acid (also known as (R)-lactic acid), depicted...
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