Energy absorbing, water blown, rigid polyurethane foam

Details Energy absorbing, water blown, rigid polyurethane foam Energy absorbing, water blown, rigid polyurethane foam

1992-03-23

1992-12-01

Foelak, Morton

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

521111, 521112, 521174, C08J 934

Patent

active

051678845

ABSTRACT:
The invention relates to energy absorbing, water blown, rigid polyurethane foams. The foams of the present invention are low density, predominantly open celled foams which exhibit a relatively constant consistency of compressive strength over deflection. Such foams are suitable as light weight alternatives in traditional energy absorbing applications.

REFERENCES:
patent: 4883825 (1989-11-01), Westfall et al.
patent: 4970243 (1990-11-01), Jacobs et al.
Thompson-Colon, SAE 9109404, "Fundamental Studies of Polyurethane Foam for Energy Absorption in Automotive Interiors".

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