Linear low-density polyethylene
Overview of Linear Low-Density Polyethylene (LLDPE)
Overview[edit | edit source]
Linear Low-Density Polyethylene (LLDPE) is a type of polyethylene that is known for its unique properties and versatility. It is a substantially linear polymer with significant numbers of short branches, typically made by copolymerizing ethylene with longer-chain olefins.
Properties[edit | edit source]
LLDPE is characterized by its high tensile strength, impact resistance, and flexibility. Unlike low-density polyethylene (LDPE), LLDPE has a more linear structure with less branching, which contributes to its strength and toughness. It is also resistant to chemicals and moisture, making it suitable for a wide range of applications.
Production[edit | edit source]
LLDPE is produced by the copolymerization of ethylene with alpha-olefins such as butene, hexene, or octene. This process is typically carried out using a catalyst in a low-pressure environment. The resulting polymer has a linear backbone with short, uniform branches, which gives it its unique properties.
Applications[edit | edit source]
LLDPE is widely used in the production of plastic films, particularly for packaging applications. Its strength and flexibility make it ideal for stretch wrap and other types of films. Additionally, LLDPE is used in the manufacture of containers, pipes, and geomembranes. Its resistance to environmental stress cracking and impact makes it suitable for these applications.
Advantages[edit | edit source]
The advantages of LLDPE over other types of polyethylene include its superior tensile strength and puncture resistance. It also has better environmental stress cracking resistance and can be processed at lower temperatures, which can lead to energy savings during manufacturing.
Disadvantages[edit | edit source]
While LLDPE has many advantages, it also has some limitations. It can be more difficult to process than LDPE due to its higher viscosity. Additionally, it may not be as clear as LDPE, which can be a disadvantage in applications where transparency is important.
Related pages[edit | edit source]
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
|
WikiMD's Wellness Encyclopedia |
| Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates, categories Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD
