W.J. Touhey and R.E. Knox, E. I. duPont de Nemours and Co. Urethane Foam Bulletin, "Fatigue Test for Cushioning Materials," July 14, 1961.
7.
Ibid [3].
8.
D.J. Doherty and G.W. Ball, Journal of Cellular Plastics, Vol. 3, Nos. 5 and 7, May and July 1967.
9.
S. Steingiser et al, Rubber Chemistry and Technology, 37, 38 (1964).
10.
R.P. Marchant , Journal of Cellular Plastics, Vol. 8 No. 1, March 1972.
11.
Ibid [1].
12.
Ibid [3].
13.
Flexible Urethane Foam Technology, Technomic Publishing Co. Inc. 1974.
14.
Internal Data, Specialty Chemicals Division, Allied Chemical Corp.
15.
Ibid [3].
16.
Ibid [3].
17.
J.H. Saunders and K.C. Frisch, "Polyurethanes: Chemistry and Technology," Parts I and II, Interscience Publishers, Inc.New York1962.
18.
R.D. Whitman , J.A. Fancher and F.P. Reding, Paper presented at the 7th Annual Conference of the Cellular Plastics Division of the SPI, New York, NY April 1963. 19. Ibid [17].
19.
Ibid [1].
20.
Ibid [9].
21.
R.E. Jones and G. Fesman, Journal of Cellular Plastics, Vol. 1, No. 1, January 1965.
22.
Technical Bulletin, Reticulation by Chemotronics, Chemotronics, Inc.Ann Arbor, Michigan, 1965.
23.
Ibid [1].
24.
Ibid [1].
25.
Ibid [1].
26.
Ibid [8].
27.
Ibid [2].
28.
Ibid [4].
29.
Technical Bulletin, "NIAX TRIOL L-56, The Climate Controlled Polyether for Flexible Urethane Foam," Union Carbide Corporation, 1962 .
30.
Ibid [14].
31.
J.M. Hogan et al, "Humidity Characteristics of High Resilience and Hot Urethane Foams", Paper presented at the 103rd Meeting, Rubber Division, ACS, May 3, 1973.
32.
B. Golding, "Polymers and Resins," D. Van Nostrand Company, Inc., Princeton, New Jersey (1959 ), pp. 558-566.