CHAPTER-5 POLYMERIZATION SEMESTER -1









LDPE is used for manufacturing products such as: • Plastic bags • Trays, containers, snap-on lids • Corrosion-resistant wo...
 LDPE is not often recycled through curbside programs, but products can be dropped off at a designated location for recycli...


HDPE is collected through most curbside recycling programs. It is non-biodegradable and can take centuries to decompose, s...





Low-density polyethylene (LDPE) is known as a thermoplastic, or thermosoftening plastic. It is not reactive at room temper...



HDPE is used for manufacturing products such as: • Plastic bottles • Plastic lumber • Hard hats • Food storage containers ...











Image result for thermoplastic and thermosetting plastic
Image result for thermoplastic and thermosetting plastic





   



















Questions:

1.Write the balanced chemical equation for the formation of polyethene and polypropene.
2.What are the differences between thermoplastic and thermosetting plastic?







































































                






       

Questions:

1.Write the balanced chemical equation for the formation of Nylon and polyester (Terylene).
2.What are the differences between HDPE and LDPE?











































http://scienceps.blogspot.com/p/biology_9.html

For further informations:

http://www.stephensinjectionmoulding.co.uk/thermoplastics/
http://www.bbc.co.uk/schools/gcsebitesize/design/resistantmaterials/materialsmaterialsrev3.shtml

1 comment:

  1. Kamlesh Patel5 August 2021 at 05:30

    Thanks for your marvelous posting! I really enjoyed reading it. you're a great author. I will be sure to bookmark your blog and will come back very soon..God bless uou HDPE Pipe Fittings

    ReplyDelete

Subscribe to: Posts (Atom)