Anisotropic melt-forming polymers having a high degree of stretchability
First Claim
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1. An anisotropic melt-forming polymer consisting essentially of recurring units I, II, III, IV, and V wherein recurring unit I is:
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recurring unit II is;
recurring unit III is;
recurring unit IV is;
and recurring unit V is;
wherein recurring unit I is present in the polymer in an amount of from about 20 to about 40 mole percent, recurring unit II is present in the polymer in an amount of from about 25 to about 50 mole percent, recurring unit III is present in the polymer in an amount of from about 7.5 to about 25 mole percent, recurring unit IV is present in the polymer in an amount of from about 2.5 to about 12.5 mole percent, and recurring unit V is present in the polymer in an amount of from about 10 to about 27.5 mole percent and wherein recurring units I and II combined are present in the polymer in an amount of from about 45 to about 75 mole percent, and the mole ratio of recurring unit III to recurring unit is at least about 1.
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Abstract
Highly stretchable, anisotropic melt-forming polymers consisting essentially of recurring units derived from p-hydroxybenzoic acid, 6-hydroxy-2-naphthoic acid, isophthalic acid, terephthalic acid and hydroquinone are disclosed.
71 Citations
16 Claims
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1. An anisotropic melt-forming polymer consisting essentially of recurring units I, II, III, IV, and V wherein recurring unit I is:
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recurring unit II is;
recurring unit III is;
recurring unit IV is;
and recurring unit V is;
wherein recurring unit I is present in the polymer in an amount of from about 20 to about 40 mole percent, recurring unit II is present in the polymer in an amount of from about 25 to about 50 mole percent, recurring unit III is present in the polymer in an amount of from about 7.5 to about 25 mole percent, recurring unit IV is present in the polymer in an amount of from about 2.5 to about 12.5 mole percent, and recurring unit V is present in the polymer in an amount of from about 10 to about 27.5 mole percent and wherein recurring units I and II combined are present in the polymer in an amount of from about 45 to about 75 mole percent, and the mole ratio of recurring unit III to recurring unit is at least about 1.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A highly stretchable, amorphous anisotropic melt-forming polymer consisting essentially of recurring units I, II, III, IV, and V wherein recurring unit I is:
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recurring unit II is;
recurring unit III is;
recurring unit IV is;
and recurring unit V is;
wherein recurring unit I is present in the polymer in an amount of from about 30 to about 40 mole percent, recurring unit II is present in the polymer in an amount of from about 25 to about 40 mole percent, recurring unit III is present in the polymer in an amount of from about 7.5 to about 20 mole percent, recurring unit IV is present in the polymer in an amount of from about 2.5 to about 10 mole percent, and recurring unit V is present in the polymer in an amount of from about 15 to about 25 mole percent and wherein recurring units I and II combined are present in the polymer in an amount of from about 55 to about 70 mole percent, and the mole ratio of recurring unit III to recurring unit IV is from about 1;
1 to about 10;
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Specification