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Wacker expands silicone production in Brazil
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JANDIRA, Brazil—Wacker Chemie A.G. is expanding its silicone production at its Jandira site near Sao Paulo in response to regional demand for specialty silicones.The 236,800-sq.-ft....
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JANDIRA, Brazil—Wacker Chemie is expanding its silicone production at its Jandira site near Sao Paulo in response to regional demand for specialty silicones. JANDIRA, Brazil—Wacker Chemie is expanding its silicone production at its Jandira site near Sao Paulo in response to regional demand for specialty silicones. $JANDIRA, Brazil—Wacker Chemie is expanding its silicone production at its Jandira site near Sao Paulo in response to regional demand for specialty silicones.
Hella uses LSR for first time in serial production headlamps
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LIPPSTADT, Germany—Liquid silicone rubber is a new player in automotive headlamps. The story of how it got there really started a couple of years ago. Back to a presentation at the VDI...
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LIPPSTADT, Germany—Liquid silicone rubber is a new player in automotive headlamps. The story of how it got there really started a couple of years ago. LIPPSTADT, Germany—Liquid silicone rubber is a new player in automotive headlamps. The story of how it got there really started a couple of years ago. $LIPPSTADT, Germany—Liquid silicone rubber is a new player in automotive headlamps. The story of how it got there really started a couple of years ago.
Goodyear scholarships, grants support STEM learning
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AKRON — In continuation of its commitment to support science, technology, engineering and math (STEM) education, Goodyear has provided $20,500 in scholarships to 20 Northeast Ohio high...
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AKRON — In continuation of its commitment to support science, technology, engineering and math (STEM) education, Goodyear has provided $20,500 in scholarships to 20 Northeast Ohio high school students and provided grants to local schools. AKRON — In continuation of its commitment to support science, technology, engineering and math (STEM) education, Goodyear has provided $20,500 in scholarships to 20 Northeast Ohio high school students and provided grants to local schools. $AKRON — In continuation of its commitment to support science, technology, engineering and math (STEM) education, Goodyear has provided $20,500 in scholarships to 20 Northeast Ohio high school students and provided grants to local schools.
Avantor, NuSil complete merger
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ANAHEIM, Calif.—NuSil Technologies L.L.C. and Avantor Performance Materials L.L.C. have completed their merger, creating an entity for which their majority private equity owner has high...
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ANAHEIM, Calif.—NuSil Technologies and Avantor Performance Materials have completed their merger, creating an entity for which their majority private equity owner has high hopes. ANAHEIM, Calif.—NuSil Technologies and Avantor Performance Materials have completed their merger, creating an entity for which their majority private equity owner has high hopes. $ANAHEIM, Calif.—NuSil Technologies and Avantor Performance Materials have completed their merger, creating an entity for which their majority private equity owner has high hopes.
Trelleborg unit appealing OTR tire import duties
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NEW YORK—Trelleborg Wheel Systems (Xingtai) Co. Ltd. has followed four other Chinese off-the-road tire manufacturers in appealing stiff new antidumping duties from the U.S. Department of...
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NEW YORK—Trelleborg Wheel Systems has followed four other Chinese off-the-road tire manufacturers in appealing stiff new antidumping duties from the U.S. Department of Commerce. NEW YORK—Trelleborg Wheel Systems has followed four other Chinese off-the-road tire manufacturers in appealing stiff new antidumping duties from the U.S. Department of Commerce. $NEW YORK—Trelleborg Wheel Systems has followed four other Chinese off-the-road tire manufacturers in appealing stiff new antidumping duties from the U.S. Department of Commerce.
ContiTech expanding one hose plant, closing another
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FAIRLAWN, Ohio—Continental A.G.'s ContiTech business is planning a major investment at one of its U.S. hose plants, but the project will result in the closure of a second factory.ContiTech...
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FAIRLAWN, Ohio—ContiTech is planning a major investment at one of its U.S. hose plants, but the project will result in the closure of a second factory. FAIRLAWN, Ohio—ContiTech is planning a major investment at one of its U.S. hose plants, but the project will result in the closure of a second factory. $FAIRLAWN, Ohio—ContiTech is planning a major investment at one of its U.S. hose plants, but the project will result in the closure of a second factory.
Momentive opens R&D lab at Charlotte facility
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WATERFORD, N.Y.—Momentive Performance Materials Inc. opened a 20,000-sq.-ft. research and development laboratory in Charlotte, N.C., to test and develop advanced compounds used in tire...
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WATERFORD, N.Y.—Momentive Performance Materials opened a research and development laboratory at its Charlotte, N.C., facility. The lab will serve as a global hub for development of silane materials that can help tire manufacturers produce tires with lower rolling resistance, better wet traction and advanced performance. WATERFORD, N.Y.—Momentive Performance Materials opened a research and development laboratory at its Charlotte, N.C., facility. The lab will serve as a global hub for development of silane materials that can help tire manufacturers produce tires with lower rolling resistance, better wet traction and advanced performance. $ WATERFORD, N.Y.—Momentive Performance Materials opened a research and development laboratory at its Charlotte, N.C., facility. The lab will serve as a global hub for development of silane materials that can help tire manufacturers produce tires with lower rolling resistance, better wet traction and advanced performance.
Passaic acquires belting firm to facilitate growth
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WAYNE, N.J.—Passaic Rubber Co. has purchased the assets of Belting Industries Co. in order to expand its size, capabilities and product range. Passaic is in the process of making several...
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WAYNE, N.J.—Passaic has purchased the assets of Belting Industries in order to expand its size, capabilities and product range. WAYNE, N.J.—Passaic has purchased the assets of Belting Industries in order to expand its size, capabilities and product range. $WAYNE, N.J.—Passaic has purchased the assets of Belting Industries in order to expand its size, capabilities and product range.
GM to drive industry toward sustainable natural rubber tires
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DETROIT—General Motors Co. is collaborating with rubber and tire suppliers to establish a plan to source more rubber through environmentally sound and sustainable natural rubber production....
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DETROIT—General Motors is collaborating with rubber and tire suppliers to establish a plan to source more rubber through environmentally sound and sustainable natural rubber production. DETROIT—General Motors is collaborating with rubber and tire suppliers to establish a plan to source more rubber through environmentally sound and sustainable natural rubber production. $DETROIT—General Motors is collaborating with rubber and tire suppliers to establish a plan to source more rubber through environmentally sound and sustainable natural rubber production.
Flexan subsidiary expands into bigger Chicago-area building
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LINCOLNSHIRE, Ill.—FMI L.L.C. continues to expand in response to growth in the silicone contract manufacturing medical market. The firm has relocated into a new 70,000-sq.-ft. building in...
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LINCOLNSHIRE, Ill.—FMI continues to expand in response to growth in the silicone contract manufacturing medical market. LINCOLNSHIRE, Ill.—FMI continues to expand in response to growth in the silicone contract manufacturing medical market. $ LINCOLNSHIRE, Ill.—FMI continues to expand in response to growth in the silicone contract manufacturing medical market.
Digital Edition
Digital Edition
Published on September 12, 2006

Q-FLEX QDI QUINONE DIIMINE ANTIDEGRADANT

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Date Published September 12, 2006
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Quinone diimine antidegradant (Q-Flex® QDI®) reacts faster than conventional antidegradants to stabilize broken chains and minimize the oxidative chain degradation that occurs during mixing of NR compounds in intensive mixing equipment. The quinone diimine reacts by adding to the radical chain end. This reaction not only produces a polymer-bound PPD moiety, but prevents the recombination of the broken chains. These two benefits accelerate viscosity reduction and improve polymer-to-filler interaction. Target viscosities are achieved faster, improving productivity and significantly reducing processing costs. Even with shorter mixing cycles, the improved polymer-to-filler interaction results in final products having comparable or improved performance characteristics. Thus, the balance of productivity and performance improves by mixing NR compounds in the presence of Q-Flex QDI antidegradant. 
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