Dow Plastics Additives, Performance Division
100 Independence Mall W
Philadelphia, PA 19106-2399 US
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As Seen In Plastics Technology
DuPont and Dow Plan “Merger of Equals”
Two companies will become one--and then three.
MATERIALS: ‘Biovinyl’ Compounds for Wire & Cable
Nearly 50 new PVC compounds that incorporate new biobased, non-phthalate plasticizers and other formulation enhancements that address the “green” concerns of wire and cable users will be introduced commercially in the first quarter of 2013 by Teknor Apex Co., Pawtucket, R.I.
Lots of Recent Acquisitions In Resins and Additives
A number of major businesses have changed hands recently.
Foam Cell Stabilizer For PVC Sheet
A new acrylic cell stabilizer for rigid PVC foam sheet is said to reduce additive usage by 10% to 15% or else produce lower-density foam with performance equal to higher densities.
Impact Modifiers for PVC Window Profiles
New acrylic-based impact modifiers are optimized to address different aspects of vinyl window profile performance.
Dow to Buy Rohm and Haas
Dow Chemical Co., Midland, Mich., has signed a definitive agreement to acquire Rohm and Haas of Philadelphia.
Enhancing Biopolymers: Additives Are Needed for Toughness, Heat Resistance & Processability
Plastics are going “green,” but they will need some help to get there. Biodegradable polymers derived from renewable resources are attracting lots of interest and publicity, but that enthusiasm is counterbalanced by persistent questions of availability, cost, performance, and processability. All these issues are inter-related: Increasing demand will lead to more capacity, which will presumably lead to lower prices. But the foundation is market demand, which ultimately depends on whether biopolymers will have the performance properties and processability to compete with existing non-renewable plastics.
Impact Modifier for PLA
A proprietary impact modifier is said to toughen PLA (polylactic acid) biopolymer without sacrificing clarity.
Wood-Filled Plastics: They Need the Right Additives for Strength, Good Looks, and Long Life
Wood-plastic composites, or WPCs, are already a 1.3-billion-lb market and are growing at 20% annually.
Composites Show Features Cost-Saving, Low-HAP Materials
Making high-strength composites less expensively was the dominant theme of the recent Composites 2003 Show in Anaheim, Calif., sponsored by the American Composites Manufacturers Association (formerly the Composites Fabricators Association). Among the stars of the show were the vacuum infusion process (VIP), along with a number of new resins—including several non-traditional material chemistries—and new initiators. (New reinforcements, fillers, additives, and equipment will be covered in future articles.)The closed-mold VIP method is attracting a growing following from spray-up fabricators who want to meet the EPA’s MACT (Maximum Achievable Control Technology) standards for hazardous air-pollutant (HAP) emissions, which take effect in 2006.