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Fire-resistant rubber composition, fire-resistant covering material composed of the composition and fire-resistant covering processing method using the same

A technology of refractory rubber and covering material, applied in the field of refractory rubber composition, can solve problems such as reducing work efficiency, and achieve the effects of improving efficiency, inhibiting spreading, and excellent adhesion

Active Publication Date: 2008-04-16
DENKA CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of reinforcement and fixing is also a necessary process to prevent peeling and falling off of the refractory covering material when it is exposed to intense heat after construction. However, since it requires a lot of work, it becomes a factor that greatly reduces work efficiency.

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0054] Hereinafter, the present invention will be described more specifically using examples and comparative examples, but these examples are not examples to limit the present invention. In addition, the part in the following description is based on a mass basis. The materials used in the examples are the materials shown below, respectively.

[0055] (1) Liquid rubber: polybutene; manufactured by BP Japan Co., Ltd., "H-300"

[0056] (2) Butyl rubber: JSR Co., Ltd., "Butyl268"

[0057] (3) Binder: terpene resin; manufactured by Yasuhara Chemical Co., Ltd., "YS Resin PX-100"), phenolic resin: manufactured by Hitachi Chemical Industries, Ltd., "Hitanol #1501"

[0058] (4) Thermally expandable graphite: manufactured by Air Water Chemical Co., Ltd., "SS-3" (expansion start temperature 220°C)

[0059] (5) Aluminum phosphite: Taiping Chemical Industry Co., Ltd., "APA-100"

[0060] (6) Inorganic filler: clay; Gunma Feldspar Gozairi Mine Co., Ltd., "FA-80", carbon black; Asahi Carb...

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Abstract

The present invention provides a refractory rubber composition in which foam maintains sufficient shape stability even when exposed to extreme heat, and which can impart excellent work efficiency to refractory covering materials obtained by molding the same. Fire resistant rubber composition. The present invention provides an unvulcanized fire-resistant rubber composition containing 10-60 parts by mass of a binder in 100 parts by mass of a base rubber component consisting of 30-50 parts by mass of liquid rubber and 50-70 parts by mass of butyl rubber , 10-100 parts by mass of heat-expandable graphite, 50-170 parts by mass of aluminum phosphite, 50-170 parts by mass of inorganic filler, 0.1-10 parts by mass of vulcanizing agent, 0.1-10 parts by mass of vulcanization accelerator, used in 60-100 parts by mass Kneading at 100°C. In addition, a refractory covering material formed from the refractory rubber composition, a refractory covering treatment method using the refractory covering material, and the like are also provided.

Description

technical field [0001] The present invention relates to a fire-resistant rubber composition used as a fire-resistant covering material for a steel frame or as a caulking material for a partition penetration portion, a fire-resistant covering material composed of the fire-resistant rubber composition, and a fire-resistant covering treatment using the fire-resistant covering material method. More specifically, it relates to a fire-resistant rubber composition in which a foam maintains sufficient shape stability even when exposed to intense heat and is excellent in construction workability; a fire-resistant covering material composed of the fire-resistant rubber composition; And the refractory covering treatment method etc. which use this refractory covering material. Background technique [0002] Generally speaking, the strength of the steel frame decreases rapidly when the temperature reaches about 550°C or higher, so when a fire breaks out in a building with a steel frame s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/22C08L21/00C08J3/24C08K3/32C08K3/04
Inventor 齐藤清高佐藤克彦
Owner DENKA CO LTD
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