Use of a blend of phthalate plasticizers in poly(vinyl halide) compounds
A technology of phthalate, dipropylheptyl phthalate, applied in the field of phthalate mixture
Inactive Publication Date: 2008-11-26
POLYONE CORP
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Problems solved by technology
[0009] The present invention solves this problem by mixing a second plasticizer with a lower volatility than DPHP with DPHP so that the mixture of the two plasticizers can reach the 90°C level and achieve the same effect as using DIDP alone, thereby Manufacturers of PVC compounds can enjoy other economic benefits of DPHP in the market
Method used
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Embodiment
[0052] Table 1 shows the components of Examples 1-3 and Comparative Examples A and B. Table 2 shows the processing conditions for preparing the samples of Examples 1-3 and Comparative Examples A and B. Table 3 shows the results of the tests demonstrating how the DPHP / DUP plasticizer mixture works synergistically to achieve the UL 90°C rating.
[0053] The UL 90°C level test is specified by the UL 1581 standard.
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[0058] Under the test conditions specified for the 90°C test in the UL 1581 standard, the comparison of Example A with Examples 1-3 shows that the weight loss is not much different from DIDP, and the elongation retention is similar to DIDP.
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Use of a blend of phthalate plasticizers is disclosed for flexible polyvinyl chloride compounds. The blend of plasticizers permits the compounds to achieve a 90 DEG C or higher ratings for usage in wire and cable articles.
Description
[0001] priority claim [0002] This application claims priority to US Provisional Patent Application Serial No. 60 / 739,616 (Attorney Docket 12005016), filed November 23, 2005, the contents of which are hereby incorporated by reference. field of invention [0003] This invention relates to mixtures of phthalates for plasticizing polyvinyl halide compounds. Background of the invention [0004] People benefit from plastic products. From their invention in the mid-20th century until now, thermoplastic polymers have been an integral part of many consumer products. These products are lightweight, durable and corrosion-resistant. [0005] Plasticized polyvinyl chloride, invented by Waldo Semon of B.F. Goodrich, has been the most used plastic resin for decades. Millions of kilograms of polyvinyl chloride (also known as "PVC) resin are molded and extruded into countless products each year. Used with conventional additives, PVC offers excellent durability, flame retardancy, Chemic...
Claims
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IPC IPC(8): C08L27/06C08K5/12
CPCC08K5/12C08K2201/014C08L27/06
Inventor C·休梅克
Owner POLYONE CORP