Crosslinked crystalline polymer and methods for cooling and heat

Details Crosslinked crystalline polymer and methods for cooling and heat Crosslinked crystalline polymer and methods for cooling and heat

1977-04-04

1980-01-08

Davis, Jr., Albert W.

Heat exchange

Regenerator

Checker brick structure

126400, 165104S, 252 70, F28D 2100

Patent

active

041823982

ABSTRACT:
The invention relates to crystalline polyethylene pieces having optimum crosslinking for use in storage and recovery of heat, and it further relates to methods for storage and recovery of heat using crystalline polymer pieces having optimum crosslinking for these uses. Crystalline polymer pieces are described which retain at least 70% of the heat of fusion of the uncrosslinked crystalline polymer and yet are sufficiently crosslinked for the pieces not to stick together upon being cycled above and below the melting point of said polymer, preferably at least 80% of the heat of fusion with no substantial sticking together.

REFERENCES:
patent: 2846421 (1958-08-01), Pollock
patent: 2873352 (1959-02-01), Franco
patent: 2888424 (1959-05-01), Precopio et al.
patent: 3013104 (1961-12-01), Young
patent: 3567697 (1971-03-01), Bates et al.
patent: 3646155 (1972-02-01), Scott
patent: 3780262 (1973-12-01), Rudd
patent: 3923947 (1975-12-01), Cook
patent: 4063546 (1977-12-01), Schmid
Kaelble et al, DH Crystalline Polymers as Heat Storage Materials . . . Systems, Polymer Engineering and Science, vol. 15, No. 9, 9/1975, _pp. 673 to 678.

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