Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1988-04-19
1989-04-18
Lilling, Herbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524431, 524493, 524503, 524519, C08K 304, C08K 310, C08L 902
Patent
active
048228346
ABSTRACT:
Viscoelastic constrained layer vibration damping composition having a shear storage modulus of 500.+-.100 psi consisting essentially of about 100 parts by weight of a butyl rubber having a glass transitional point temperature of -50 degrees F..+-.15 degrees, 100 parts by weight of a nitrile rubber having a glass transitional point temperature of 60 degrees F..+-.15 degrees, 50 parts by weight of a thermoplastic polymer having a glass transitional point temperature of 130 degrees F..+-.15 degrees, 45 parts by weight of a plasticizer, and 50 parts by weight of a powdered filler.
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Lilling Herbert J.
Nathans Robert L.
Singer Donald J.
The United States of America as represented by the Secretary of
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