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Title: Cementitious building material incorporating end-capped polyethylene glycol as a phase change material

Patent ·
OSTI ID:865844

A cementitious composition comprising a cementitious material and polyethylene glycol or end-capped polyethylene glycol as a phase change material, said polyethylene glycol and said end-capped polyethylene glycol having a molecular weight greater than about 400 and a heat of fusion greater than about 30 cal/g; the compositions are useful in making pre-formed building materials such as concrete blocks, brick, dry wall and the like or in making poured structures such as walls or floor pads; the glycols can be encapsulated to reduce their tendency to retard set.

Research Organization:
UNIVERSITY OF DAYTON
DOE Contract Number:
AC03-82CE30755
Assignee:
University of Dayton (Dayton, OH)
Patent Number(s):
US 4587279
OSTI ID:
865844
Country of Publication:
United States
Language:
English