Polylactic Acid

(C₃H₄O₂)ₙ

IUPAC: Poly(2-hydroxypropanoic acid)

CAS: 26100-51-6

Tổng quan

PLA is a biodegradable polymer made from corn starch or sugarcane. It is the most widely used bioplastic, found in 3D printing filament and compostable packaging.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 4 1,0080
Carbon C 3 12,0110
Oxygen O 2 15,9990

Thành phần nguyên tố

H
Hydrogen ×4
5,6%
C
Carbon ×3
50,0%
O
Oxygen ×2
44,4%

Công dụng

  • • 3D printing filament
  • • Compostable food packaging
  • • Medical implants (absorbable sutures)
  • • Textile fiber

Sự thật thú vị

  • ✦ The most popular material for consumer 3D printing, derived from renewable resources

Tính chất

Loại
polymer
Trạng thái
solid
Khối lượng mol
72,06 g/mol
Mật độ
1,2100 g/cm³
Điểm nóng chảy
157,0 °C
Độ hòa tan
insoluble

Hợp chất liên quan

Cellulose

(C₆H₁₀O₅)ₙ

Epoxy Resin DGEBA

C₂₁H₂₄O₄

Kevlar

(C₁₄H₁₀N₂O₂)ₙ

Nylon-6,6

(C₁₂H₂₂N₂O₂)ₙ

Sodium Polyacrylate

(C₃H₃NaO₂)ₙ

Polyethylene

(C₂H₄)ₙ

Polymethyl Methacrylate

(C₅H₈O₂)ₙ

Polyurethane

(C₃H₂NO)ₙ

Polycarbonate

(C₁₆H₁₄O₃)ₙ

Polyethylene Terephthalate

(C₁₀H₈O₄)ₙ

Frequently Asked Questions

What is Polylactic Acid?
Polylactic Acid ((C₃H₄O₂)ₙ) is a polymer compound with the IUPAC name Poly(2-hydroxypropanoic acid).
What is the molecular weight of Polylactic Acid?
Polylactic Acid has a molar mass of 72.06 g/mol.
What state is Polylactic Acid at room temperature?
Polylactic Acid is a solid at room temperature.
Is Polylactic Acid organic or inorganic?
Polylactic Acid is classified as an inorganic compound.
What elements make up Polylactic Acid?
Polylactic Acid ((C₃H₄O₂)ₙ) is composed of Hydrogen (H), Carbon (C), Oxygen (O).