Urethane composition for vibration-damping, sound-proofing and sound-isolating material
专利汇可以提供Urethane composition for vibration-damping, sound-proofing and sound-isolating material专利检索，专利查询，专利分析的服务。并且PURPOSE: To obtain the title composition improved in processability, applicability, sound absorptivity, vibration-damping properties, sound-proofing properties, sound-isolating properties and reinforcing properties by mixing a composition based on a polyisocyanate compound with another composition based on a polyol compound.
CONSTITUTION: A composition (A) is obtained by mixing 100pts.wt. polyisocyanate compound (a) (e.g., xylylene diisocyanate) with 1-50pts.wt. inorganic filler (b) (e.g., clay) and 1-50pts.wt. at least one component (c) selected from among a softener, a plasticizer and a tackifier. A composition (B) is obtained by mixing 100pts.wt. polyol compound (d) (e.g., ethylene glycol) with 1.2-100pts.wt. component (b) and 1.2-100pts.wt. component (c) in such amounts that the amount of component (b) is at least 1.2pts.wt. per pt. wt. component (d). Component A is mixed with component B in such a ratio that the equivalent ratio of component (a) to the hydroxyl groups of component (a) is 0.7-3 (NCO groups/OH group, by equivalent ratio).
COPYRIGHT: (C)1990,JPO&Japio，下面是Urethane composition for vibration-damping, sound-proofing and sound-isolating material专利的具体信息内容。
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