초록 ▼

A polyester based intimate fusion blended composition comprising an admixture of a poly(ethylene terephthalate) and a copolyester of isophthalic and terephthalic acid, ethylene glycol and 1,3 bis(2-hydroxyethoxy)benzene is disclosed. The novel material disclosed is suitable for fabrication into cont

A polyester based intimate fusion blended composition comprising an admixture of a poly(ethylene terephthalate) and a copolyester of isophthalic and terephthalic acid, ethylene glycol and 1,3 bis(2-hydroxyethoxy)benzene is disclosed. The novel material disclosed is suitable for fabrication into container parison, hollow containers, sheet stock and film. Such articles exhibit excellent gas barrier properties, mechanical strength and processability.

대표청구항 ▼

A container comprising: an open top portion; an enclosed main body portion integral with and downwardly depending from said open top portion; an enclosed bottom portion integral with and downwardly depending from said enclosed main body portion, said container fabricated from an intimate fusion blen

A container comprising: an open top portion; an enclosed main body portion integral with and downwardly depending from said open top portion; an enclosed bottom portion integral with and downwardly depending from said enclosed main body portion, said container fabricated from an intimate fusion blend of (1) a poly(ethylene terephthalate); and (2) a copolyester formed of the polymeric reaction product of (A) reactant(s) selected from isophthalic acid, terephalic acid, and their C1 to C4 alkyl esters, and any mixture thereof in any proportion, (B) reactants, 1,3 bis(2-hydroxyethoxy)benzene plus ethylene glycol, and optionally one or more other ester forming dihydroxy organic hydrocarbon reactant(s), and optionally, (C) reactant, bis(4-beta-hydroxyethoxyphenyl) sulfone, wherein: (1) the amount of said 1,3 bis(2-hydroxyethoxy)benzene is 5-90 mole percent of the amount of A reactants, (2) the combined amount of B and C reactants, is about 110 to 300 mole percent of the amount of A reactants, (3) the amount of said other ester forming dihydroxy organic hydrocarbon reactant(s) is zero to 20 mole percent of the amount of said A reactants, and (4) the combined amount of said (C) reactant plus said 1,3 bis(2-hydroxyethoxy)benzene and said other ester forming dihydroxy organic hydrocarbon reactant(s) is not over 90 mole percent of said A reactants. A composition of matter comprising: an intimate fusion blend of: (1) a poly(ethylene terephthalate); and (2) a copolyester formed of the polymeric reaction product of, (A) reactant(s) selected from isophthalic acid, terephalic acid, and their C1 and C4 alkyl esters, and any mixture thereof in any proportion, (B) reactants, 1,3 bis(2-hydroxyethoxy)benzene plus ethylene glycol, and optionally one or more other ester forming dihydroxy organic hydrocarbon reactant(s), and, optionally, (C) reactant, bis(4-beta-hydroxyethoxyphenyl) sulfone, wherein: (1) the amount of said 1,3 bis(2-hydroxyethoxy)benzene is 5-90 mole percent of the amount of A reactants, (2) the combined amount of B and C reactant is about 110 to 300 mole percent of the amount of A reactants, (3) the amount of said other ester forming dihydroxy organic hydrocarbon reactant(s) is zero to 20 mole percent of the amount of said A reactants, and (4) the combined amount of said (C) reactant plus said 1,3 bis(2-hydroxyethoxy)benzene and said other ester forming dihydroxy organic hydrocarbon reactant(s) is not over 90 mole percent of said A reactants.