Table 1 Main physical and chemical properties of MPCM.

From: Mechanical properties and Freeze-Thaw durability of concrete modified with microencapsulated phase change materials

Material type

Shell

Core material

Appearance

Phase transition temperature

Enthalpy value

Solid content

PH value

Phase change nanomaterials

Modified polyurethane

C12-16 normal alkane

Milky liquid

6.5 ± 1.5℃

161 J/g

40 ± 1%

6.5–7.7

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