High melt flow rate coupled impact copolymer with high melt strength
AssigneeBraskem America, Inc.
InventorsJoel Carr, Gerd Lohse, Rajendra Krishnaswamy, William Scott Miller, Rita Majewski
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Abstract
Impact copolymer (ICP) compositions may include those having a melt strength (MS) and melt flow rate (MFR) described according to the formula: MS≥325×MFR−1.7, wherein the MS is greater than 1 cN. Methods of producing an impact copolymer (ICP) composition may include coupling the ICP composition with a coupling agent, wherein the ICP composition includes a matrix polymer and a dispersed component; wherein the ICP composition possesses a measurable melt strength (MS) and melt flow rate (MFR) satisfying the equation: MS≥325×MFR−1.7, wherein the MS is greater than 1 cN.
Claims35
An impact copolymer (ICP) composition having a melt strength (MS) and melt flow rate (MFR) described according to the formula:
- MS≥325×MFR−1.7
- wherein the MS is greater than 1 cN.
A method of producing an impact copolymer (ICP) composition, the method comprising:
- coupling the ICP composition with a coupling agent, wherein the ICP composition comprises a matrix polymer and a dispersed component;
- wherein the ICP composition possesses a measurable melt strength (MS) and melt flow rate (MFR) satisfying the following equation:
- MS≥325×MFR−1.7
- wherein the MS is greater than 1 cN.
Dependencies are inferred from the claim text.