Title:
HIGHLY DAMPING MATERIAL COMPOSITION
Document Type and Number:
Japanese Patent JP3575661
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject composition useful as a sound insulating wall of an acoustic room, a sound insulating partition for a building structure, a sound insulating material for a soundproof wall or the like of a vehicle and a vibration damping material, a soundproof material or the like.
SOLUTION: This composition is obtained by compounding (A) one or more base polymers each having a polar side chain (preferably a natural rubber, a polystyrene-based thermoplastic elastomer, a polyvinyl chloride or the like) with (B) a basic substance containing ≥2 bases selected from a primary amine, a tertiary amine and a nitrogen-containing heterocyclic ring in the molecule (preferably N-cyclohexylbenzothiazyl-2-sulfenamide or the like) and further compounding (C) an acidic substance good in compatibility with the basic substance (preferably 2-mercaptobenzothiazole or the like). The resultant composition has a compositional compounding in a higher basic region than the basicity for manifesting the peak value of loss tangent. The component B is preferably compounded in ≥0.3 volume ratio based on the component A.
Inventors:
Kurehase
Kazunobu Hashimoto
Kazunobu Hashimoto
Application Number:
JP36274897A
Publication Date:
October 13, 2004
Filing Date:
December 12, 1997
Export Citation:
Assignee:
Tokai Rubber Industry Co., Ltd.
International Classes:
C08K5/16; C08K5/36; C08K5/40; C08K5/47; C08L23/28; C08L101/00; F16F7/00; (IPC1-7): C08L23/28; C08K5/40; C08K5/47; F16F7/00
Domestic Patent References:
| JP9012783A | ||||
| JP7292167A | ||||
| JP2102208A | ||||
| JP10279115A |
Foreign References:
| WO1997042844A1 |
Attorney, Agent or Firm:
Noboru Ueno
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