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最后发表
Galactic and Total Petrochemicals, Uhde Inventa Fischer, and Pyramide Bioplastics have announced plans to produce commercial PLA by the end of 2009.
Bruce
2024-12-1
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25
Bruce
2024-12-1 08:27
Toyota has produced special PLAs since 2003 for automotive applications.
Bruce
2024-12-1
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23
Bruce
2024-12-1 08:27
Nature Works is also planning to start building a second plant.
Bruce
2024-12-1
0
34
Bruce
2024-12-1 08:27
NatureWorks LLC (Blair, NE), the formerCargill Inc., and Dow joint venture, which is nowadays owned by Cargill Inc. and Teijin Ltd., produces the largest amount of commercially available PLA resins with a total production of 140 ktpa as of January 2009.
Bruce
2024-12-1
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76
Bruce
2024-12-1 08:27
To date, the production of PLA has reached a largescale industrial capacity (75 metric kt in 2007 and is expected to reach 325 metric kt by 2010), which makes it the most important biopolyester produced from renewable resources
Bruce
2024-12-1
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41
Bruce
2024-12-1 08:27
PLA has been recognized by industries, consumers, and governments as a candidate material to help in reducing the municipal solid waste produced by packaging and containers
Bruce
2024-12-1
0
32
Bruce
2024-12-1 08:26
the PLA ?nal products can safely be recycled, composted, or incinerated
Bruce
2024-12-1
0
31
Bruce
2024-12-1 08:26
PLA resin can be produced entirely from biomass
Bruce
2024-12-1
0
26
Bruce
2024-12-1 08:26
PLA was approved by the U.S. Food & Drug Administration for use in contact with foods in 1992
Bruce
2024-12-1
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72
Bruce
2024-12-1 08:26
However, discoveries of new polymerization pathways and advances in manufacturing technologies have dramatically lowered PLA costs
Bruce
2024-12-1
0
84
Bruce
2024-12-1 08:25
Its use in packaging and textile applications until now has been scarce because of its high initial costs.
Bruce
2024-12-1
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37
Bruce
2024-12-1 08:25
PLA has been used extensively for medical applications since the 1970s because of its bioresorbable and biocompatible properties in the human body.
Bruce
2024-12-1
0
29
Bruce
2024-12-1 08:25
(PLA) polymers are biodegradable polyesters derived from lactic acid (LA) or 2hydroxy propionic acid, which is generally obtained by bacterial fermentation of carbohydrates from agricultural crops such as corn, potato, and cassava.
Bruce
2024-12-1
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36
Bruce
2024-12-1 08:25
A range of sachets and porous canisters as well as saddles are manufactured in sizes from grams to kilograms by companies such as Multisorb Technologies, Inc.
Bruce
2024-12-1
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23
Bruce
2024-12-1 08:24
Silica gel has been supplied for protection of packaged goods from water for many years.
Bruce
2024-12-1
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31
Bruce
2024-12-1 08:24
These have been followed more recently by plastics blends or compounds and, to a lesser extent, by composite packages of various forms.
Bruce
2024-12-1
0
19
Bruce
2024-12-1 08:24
The major form in use at present is the insertion of sachets of various scavengers or emitters.
Bruce
2024-12-1
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74
Bruce
2024-12-1 08:24
The composition of the package headspace can potentially indicate chemical, physiological, or microbiological state or the potency of the packaged product.
Bruce
2024-12-1
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20
Bruce
2024-12-1 08:23
Indicators of time-temperature and temperature abuse are presently available.
Bruce
2024-12-1
0
29
Bruce
2024-12-1 08:23
Other goals are developing as the potential is being realized.
Bruce
2024-12-1
0
20
Bruce
2024-12-1 08:23
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