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This has stimulated research into polymers that function comparably to PET, but are biodegradable.	Bruce 2024-12-1	016	Bruce 2024-12-1 08:40
An estimated 30% of the world production of PET goes into making these plastic bottles and only from 15% to 35% is recycled; the rest usually end up in a landfill.	Bruce 2024-12-1	020	Bruce 2024-12-1 08:40
However, because of the stability of PET, it is also highly resistant to biodegradation, posing a significant environmental problem because of the amount of PET produced, sold, used and thrown away on a daily basis.	Bruce 2024-12-1	021	Bruce 2024-12-1 08:39
It is commonly used for bottles because it makes a rigid container that is very lightweight.	Bruce 2024-12-1	022	Bruce 2024-12-1 08:36
PET (polyethylene terephthalate) is one of the dominant plastics within this market.	Bruce 2024-12-1	025	Bruce 2024-12-1 08:36
Production of plastics for use in the industrial sector around the world makes up a very large market.	Bruce 2024-12-1	018	Bruce 2024-12-1 08:36
The structure is a random-block polymer consisting of butanediol�Cadipic acid and butanediol-terephthalic acid blocks.	Bruce 2024-12-1	019	Bruce 2024-12-1 08:36
It is generally marketed as a fully biodegradable alternative to low-density polyethylene, having many similar properties including flexibility and resilience, allowing it to be used for many similar uses such as plastic bags and wraps.	Bruce 2024-12-1	021	Bruce 2024-12-1 08:35
It is also called poly(butylene adipate-co-terephthalate) and sometimes polybutyrate-adipate-terephthalate[1] (a misnomer) or even just polybutyrate.	Bruce 2024-12-1	013	Bruce 2024-12-1 08:35
PBAT is produced by many different manufacturers and may be known by the brand names ecoflex, Wango, Ecoworld, Eastar Bio, and Origo-Bi.	Bruce 2024-12-1	016	Bruce 2024-12-1 08:35
PBAT (short for polybutylene adipate terephthalate) is a biodegradable random copolymer, specifically a copolyester of adipic acid, 1,4-butanediol and terephthalic acid	Bruce 2024-12-1	016	Bruce 2024-12-1 08:35
PLA may have packaging applications for a broader array of products as modern and emerging production technologies lower its production costs.	Bruce 2024-12-1	018	Bruce 2024-12-1 08:34
Due to its higher cost, the initial focus of PLA as a packaging material has been in high value ?lms, rigid thermoforms, food and beverage containers and coated papers.	Bruce 2024-12-1	015	Bruce 2024-12-1 08:34
PLA is safe for use in fabricating articles for contact with food.	Bruce 2024-12-1	015	Bruce 2024-12-1 08:34
Solubility parameter predictions indicate that PLA will interact with nitrogen compounds, anhydrides and some alcohols and that it will not interact with aromatic hydrocarbons, ketones, esters, sulfur compounds or water.	Bruce 2024-12-1	018	Bruce 2024-12-1 08:34
PLA seals well at temperatures below the melting temperature but an appreciable shrinking of the ?lms has been noted when the material is sealed near its melting temperature.	Bruce 2024-12-1	046	Bruce 2024-12-1 08:33
Humidity between 10 and 95% and storage temperatures of 5 to 40 C do not have an effect on the transition temperature of PLA, which can be explained by its low water sorption values (i.e. <100 ppm at Aw ? 1).	Bruce 2024-12-1	043	Bruce 2024-12-1 08:33
The glass transition temperature of PLA changes with time.	Bruce 2024-12-1	017	Bruce 2024-12-1 08:33
PLA also has lower melting and glass transition temperatures than PET and PS.	Bruce 2024-12-1	019	Bruce 2024-12-1 08:33
PLA ?lms have mechanical properties comparable to those of PET and better than those of PS.	Bruce 2024-12-1	019	Bruce 2024-12-1 08:33

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