Cementitious building material incorporating end-capped polyethy

Details Cementitious building material incorporating end-capped polyethy Cementitious building material incorporating end-capped polyethy

1984-08-31

1986-05-06

McCarthy, Helen M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

14 73, 5230917, 52596, 52612, 106 90, 106 94, 106109, 106116, 126400, 165 10, 16510417, 428221, 4283215, 428703, 428913, 523135, 524 4, C04B 2432, C04B 2434, C08K 900, C08K 910

Patent

active

045872791

ABSTRACT:
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.

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