Compatible blend system of oxygen barrier polymers and oxygen scavenging polymers

• Main Author: CAI GANGFENG,CHING TAYEN,YANG HU
• Format: Patent
• Language: English
• Published: 24.05.2006
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

An oxygen barrier composition, comprising: an oxygen barrier polymer, an oxygen scavenging polymer, and an oxidation catalyst, wherein the oxygen barrier polymer is selected from polymers or copolymers of vinyl alcohol, and the oxygen scavenging polymer comprises an ethylenic backbone and a cycloalkenyl group having the structure I: wherein q 1 , q 2 , q 3 , q 4 , and r are independently selected from hydrogen, methyl, or ethyl; m is - (CH 2 ) n -, wherein n is an integer from 0 to 4, inclusive; and, when r is hydrogen, at least one of q 1 , q 2 , q 3 , and q 4 is also hydrogen.