Polylactic acid is a biodegradable polymer
material, made up of lactic acid molecules. Polylactic acid is obtained from
the lactic acid monomer extracted from natural resources through polymerization
reaction. It can also be obtained as lactic acid from plant raw materials (such
as corn, sugarcane, etc.) through the fermentation process, and then
synthesized as polylactic acid through chemical reaction.
PLA
is like an environmentally friendly plastic, which can degrade naturally after
a period of time, without causing too much burden on the environment. The
product of this material has many practical functions and wide applications:
1, environmental protection packaging: PLA
can be used to make food packaging, coffee cups and tableware, etc. These
products can be disposed of after use because PLA gradually breaks down,
without leaving behind a lot of garbage like traditional plastics.
2. Medical supplies: Because PLA is good
compatible with human body, it can be used to make sutures, bone nails and
other medical equipment. These supplies are absorbed by the human body after
completing the task and do not need to be removed again.
3. Soil amendments: After degrading PLA
into small molecules, it can be used as soil amendments to help plants grow.
It's like turning plastic into a good fertilizer for the soil.
4, disposable products: some disposable
products, such as napkins, sanitary napkins, etc., can be made of polylactic
acid. They can degrade naturally after they use up, reducing the burden on
landfills.
5, plastic products: polylactic acid can
also be used to make some plastic products, such as toys, daily necessities,
etc. These products break down in a shorter time at the end of their service
life, reducing the environmental impact.
In short, PLA products can replace
traditional plastic products in many ways, helping to reduce plastic pollution
and environmental stress. Although it is not a universal solution, it is
playing an increasingly important role in today's environmental awareness.
Nonproprietary Names: polylactic acid
Nickname: PLA
Chemical Name: polylactic acid
CAS Registry Number: 26100-51-6
EINECS Registry Number: 201-245-8
Molecular Formula: (C3H6O3）n
|
apparent condition |
White solid particles |
|
density |
1.25-1.28 g/cm3 |
|
melting point |
42.2 °C |
|
Boiling point, initial boiling point, and boiling range (°C) |
227.6°C at 760mmHg |
Packaging: 25kg / bag, 20kg / bag
Storage: keep at room temperature, avoid moisture and avoid light.
shelf life: 2 years
