Energy absorbing, water blown, rigid polyurethane foam

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

1991-11-21

1992-09-01

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 455, 521111, 521112, 521174, C08J 934

Patent

active

051439417

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.
Article 910404--Fundamental Studies of Polyurethane Foam for Energy Absorption in Automotive Interiors.

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