Polyethylene structural formula
Polyethylene (PE) is a kind of plastic. The convenient bags that we often mention are made of
polyethylene (PE). PE is the simplest and also the most widely used macromolecule material.
It is made up of repeating -CH2- units. Polyethylene is made through addition polymerization of
ethylene (CH2 = CH2). The performance of polyethylene depends on its polymerization method.
Under medium pressure (15-30 atm) and catalyzed with organic compounds, the product of
Ziegler-Natta polymerization is high density polyethylene (HDPE). Polyethylene molecules
polymerized under this condition are linear and the molecular chain is very long, with molecular
weight of up to hundreds of thousands. If under high pressure (100-300MPa) and high temperature
(190-210C), catalyzed with superoxide, the product of free radical polymerization is the low density
polyethylene (LDPE), which is with branched structure. If you want to know whether your PE products
in use are environmentally friendly or not, you can start from learning environmental test contents
and then judge and distinguish, for example, whether the PE products can be recycled or not,
whether they are degradable or not, whether they harm people’s health or not, whether they pollute
environment or not. Because there are many kinds of PE, such as LDPE, HDPE and extra. Hope
my answers can help you!
PE is certainly environmentally friendly material. Itself is not poisonous to human body. Nowadays
everyone is talking about shopping bags problem while it is actually a misunderstanding.
The brand new material does not cause pollution problems. Littering anywhere will cause
"pollution" to the environment, but this pollution is different from the pollution caused by other
chemical substances. This only causes that the soil is out of air circulation, and nothing more.
Reutilization of PE material, ie recycled granules, will inevitably be mixed with many foreign
contaminants. Therefore, it is wise to minimize the use of recycled plastic or do not use them
at all. Especially if garbage bags are recycled, the pollution will be more serious. So, it should
be enough to arouse our vigilance.
Wuxi Isaac Industry Co., Ltd. only uses 100% virgin PE as raw material. For environmentally
friendly protective film, please feel free to contact us.