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Trump expected to propose legislation to broaden powers to impose tariffs
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WASHINGTON—Industry officials are waiting to see the details of a Trump administration draft bill that would substantially change the imposition of tariffs on foreign goods.The "United...
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WASHINGTON—Industry officials are waiting to see the details of a Trump administration draft bill that would substantially change the imposition of tariffs on foreign goods. WASHINGTON—Industry officials are waiting to see the details of a Trump administration draft bill that would substantially change the imposition of tariffs on foreign goods. $WASHINGTON—Industry officials are waiting to see the details of a Trump administration draft bill that would substantially change the imposition of tariffs on foreign goods.
BASF plans major R&D projects to cut carbon emissions
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LUDWIGSHAFEN, Germany—BASF S.E. has announced a number of R&D projects to reduce carbon emissions as part of its new corporate strategy, which will see the company becoming CO2-neutral...
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LUDWIGSHAFEN, Germany—BASF has announced a number of R&D projects to reduce carbon emissions as part of its new corporate strategy, which will see the company becoming CO2-neutral by 2030. LUDWIGSHAFEN, Germany—BASF has announced a number of R&D projects to reduce carbon emissions as part of its new corporate strategy, which will see the company becoming CO2-neutral by 2030. $LUDWIGSHAFEN, Germany—BASF has announced a number of R&D projects to reduce carbon emissions as part of its new corporate strategy, which will see the company becoming CO2-neutral by 2030.
Cooper Standard looking beyond automotive, diversifying with acquisitions
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NOVI, Mich.—Cooper Standard Automotive Inc. changed a lot in 2018. After executing five major deals—four acquisitions and a divestiture of one of its primary product...
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NOVI, Mich.—After executing five major deals—four acquisitions and a divestiture of one of its primary product lines—Cooper Standard has reshaped its core product offerings and set the foundation for its non-automotive business. NOVI, Mich.—After executing five major deals—four acquisitions and a divestiture of one of its primary product lines—Cooper Standard has reshaped its core product offerings and set the foundation for its non-automotive business. $ NOVI, Mich.—After executing five major deals—four acquisitions and a divestiture of one of its primary product lines—Cooper Standard has reshaped its core product offerings and set the foundation for its non-automotive business.
Mobile, Alabama, may become export hub
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Alabama officials are optimistic that the Port of Mobile soon will be another arrow in the state's quiver of economic benefits to attract automotive companies. Alabama has become a manufacturing...
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Alabama officials are optimistic that the Port of Mobile soon will be another arrow in the state's quiver of economic benefits to attract automotive companies. Alabama officials are optimistic that the Port of Mobile soon will be another arrow in the state's quiver of economic benefits to attract automotive companies. $Alabama officials are optimistic that the Port of Mobile soon will be another arrow in the state's quiver of economic benefits to attract automotive companies.
Final winter auto show ends an era but also forges a path to the future
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DETROIT—This year's North American International Auto Show is the end of an era, but it also reflects a transition that's already starting to happen. Among the changes? More movement on the ...
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DETROIT—This year's North American International Auto Show is the end of an era, but it also reflects a transition that's already starting to happen. DETROIT—This year's North American International Auto Show is the end of an era, but it also reflects a transition that's already starting to happen. $DETROIT—This year's North American International Auto Show is the end of an era, but it also reflects a transition that's already starting to happen.
Light trucks take a record 69% of U.S. market
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DETROIT—U.S. sales for each of the five largest auto brands—Ford, Toyota, Chevrolet, Honda and Nissan—declined in 2018. But the No. 6 brand, Jeep, grew enough to keep the...
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DETROIT—U.S. sales for each of the five largest auto brands—Ford, Toyota, Chevrolet, Honda and Nissan—declined in 2018. But the No. 6 brand, Jeep, grew enough to keep the entire industry in the black for the year. DETROIT—U.S. sales for each of the five largest auto brands—Ford, Toyota, Chevrolet, Honda and Nissan—declined in 2018. But the No. 6 brand, Jeep, grew enough to keep the entire industry in the black for the year. $DETROIT—U.S. sales for each of the five largest auto brands—Ford, Toyota, Chevrolet, Honda and Nissan—declined in 2018. But the No. 6 brand, Jeep, grew enough to keep the entire industry in the black for the year.
World rubber demand rising, International Rubber Study Group says
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SINGAPORE—Global demand for rubber should rise about 2.5 percent in 2019 to more than 30 million metric tons, according to the International Rubber Study Group.The IRSG's...
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SINGAPORE—Global demand for rubber should rise about 2.5 percent in 2019 to more than 30 million metric tons, according to the International Rubber Study Group. SINGAPORE—Global demand for rubber should rise about 2.5 percent in 2019 to more than 30 million metric tons, according to the International Rubber Study Group. $SINGAPORE—Global demand for rubber should rise about 2.5 percent in 2019 to more than 30 million metric tons, according to the International Rubber Study Group.
Auto suppliers will get squeezed to offset higher costs from USMCA, survey says
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More than a third of automotive executives in a recent survey said they plan to renegotiate contracts with suppliers and aggressively seek production savings to counter higher costs expected under ...
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More than a third of automotive executives in a recent survey said they plan to renegotiate contracts with suppliers and aggressively seek production savings to counter higher costs expected under the proposed U.S.-Mexico-Canada Agreement. More than a third of automotive executives in a recent survey said they plan to renegotiate contracts with suppliers and aggressively seek production savings to counter higher costs expected under the proposed U.S.-Mexico-Canada Agreement. $More than a third of automotive executives in a recent survey said they plan to renegotiate contracts with suppliers and aggressively seek production savings to counter higher costs expected under the proposed U.S.-Mexico-Canada Agreement.
Wacky World of Rubber: Bridgestone celebrates Harvey Firestone's birthday
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NASHVILLE, Tenn.—Bridgestone Americas marked the 150th anniversary of Harvey Firestone's birth on Dec. 20, coinciding with the 30th anniversary of Bridgestone Corp.'s acquisition of...
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NASHVILLE, Tenn.—Bridgestone Americas marked the 150th anniversary of Harvey Firestone's birth, coinciding with the 30th anniversary of Bridgestone's merger with Firestone. NASHVILLE, Tenn.—Bridgestone Americas marked the 150th anniversary of Harvey Firestone's birth, coinciding with the 30th anniversary of Bridgestone's merger with Firestone. $NASHVILLE, Tenn.—Bridgestone Americas marked the 150th anniversary of Harvey Firestone's birth, coinciding with the 30th anniversary of Bridgestone's merger with Firestone.
Study finds half of U.S. motorists don't trust self-driving vehicles
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LAS VEGAS—Fifty percent of U.S. motorists believe that autonomous vehicles will not be safe, according to the 2019 Global Automotive Consumer Study issued by auditing and consulting services ...
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LAS VEGAS—Fifty percent of U.S. motorists believe that autonomous vehicles will not be safe, according to the 2019 Global Automotive Consumer Study issued by auditing and consulting services firm Deloitte. LAS VEGAS—Fifty percent of U.S. motorists believe that autonomous vehicles will not be safe, according to the 2019 Global Automotive Consumer Study issued by auditing and consulting services firm Deloitte. $LAS VEGAS—Fifty percent of U.S. motorists believe that autonomous vehicles will not be safe, according to the 2019 Global Automotive Consumer Study issued by auditing and consulting services firm Deloitte.
Digital Edition
Digital Edition
Published on January 1, 2002

Natural Rubber Biodegradation in Soil in Relation to the Waste Disposal of Used Latex Products

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Date Published January 1, 2002
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This Report has been authored by:A. Ikram at Rubber Research Institute of Malaysia #with# Amir Hashim at Rubber Research Institute of Malaysia

Biodegradation was studied by burying natural rubber (NR) latex gloves in tropical soils amended with nitrogen (N) and phosphorus (P), and in a composting environment created from dried grass clippings, cattle manure and soil. Manipulating soils to favor microbial growth enhanced biodegradation compared to natural attenuation processes in unamended soils. The mean specific degradation rate of NR glove pieces in a high soil neoprene and nitrile remained intact after 40 weeks, while vinyl showed small weight losses due to plasticizer and other additive losses. In a composting environment, biodegradation rates over a 24-week period were twice that compared to the fertilized treatment in soils, suggesting an efficient means of waste disposal. Leachates of accelerator residues from NR gloves undergoing 12-weeks burial in soil lysimeters were however not significant. Soil degradation of NR condoms were slower compared to gloves with 42% of their initial weights remaining after 48 weeks. In contrast, the manufactured polyurethane condoms were hardly biodegradable. The stimulating effect of nutrient application on indigenous soil microbes, the likely effects of accelerators or antioxidant, or of the interactions of modulus and thickness in affecting NR latex product degradation are discussed.

 
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