JPH03106335U - - Google Patents
Info
- Publication number
- JPH03106335U JPH03106335U JP1353790U JP1353790U JPH03106335U JP H03106335 U JPH03106335 U JP H03106335U JP 1353790 U JP1353790 U JP 1353790U JP 1353790 U JP1353790 U JP 1353790U JP H03106335 U JPH03106335 U JP H03106335U
- Authority
- JP
- Japan
- Prior art keywords
- fire
- core layer
- shaped
- smokeproof
- foaming agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 8
- 239000012792 core layer Substances 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000004088 foaming agent Substances 0.000 claims 3
- 150000003839 salts Chemical class 0.000 claims 3
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Description
第１図Ａ，Ｂは本考案の一実施例に係る定形防
火防煙材を示す断面図、第２図は同定形防火防煙
材に用いられる粒状体の断面図、第３，４図はそ
れぞれ本考案に係る定形防火防煙材の適用例を示
す断面図である。
２……定形防火防煙材、４……防火防煙材本体
、６……粒状体、６ａ……発泡セル、８……中芯
体層、１０……保護層。
Figures 1A and B are cross-sectional views showing a regular fire and smoke prevention material according to an embodiment of the present invention, Figure 2 is a cross-sectional view of a granular material used in the identified fire and smoke prevention material, and Figures 3 and 4 are FIG. 3 is a cross-sectional view showing an example of application of the shaped fire and smoke prevention material according to the present invention. 2... Shaped fire and smoke prevention material, 4... Fire and smoke prevention material main body, 6... Granular body, 6a... Foamed cells, 8... Core layer, 10... Protective layer.
Claims (1)
塞ぐ定形防火防煙材において、 防火性樹脂からなる防火防煙材本体と、この防
火防煙材本体中に分散して含有される粒状体とか
らなり、 前記粒状体には、含水塩と熱分解性発泡剤とが
少なくとも含まれている定形防火防煙材。 ２ 前記粒状体が、中芯体層と、この中芯体層の
周囲に配置されて中芯体層へのガスの透過を防止
する保護層とからなり、前記中芯体層に、含水塩
と熱分解性発泡剤とが少なくとも含まれている請
求項第１項に記載の定形防火防煙材。 ３ 前記粒状体の粒径が０．０５〜５mmであり、
前記保護層の厚さが０．０１〜１．０mmである請
求項第２項に記載の定形防火防煙材。 ４ 前記含水塩が、含水アルカリ金属珪酸塩であ
る請求項第１項ないし第３項のいずれかに記載の
定形防火防煙材。[Scope of Claim for Utility Model Registration] 1. In a shaped fire and smoke prevention material that expands due to heat during a fire and blocks the passage of fire and smoke, the main body of the fire and smoke prevention material is made of a fire retardant resin, and the main body of this fire and smoke prevention material. a granular material dispersed therein, the granular material containing at least a hydrous salt and a thermally decomposable foaming agent. 2. The granules are composed of a core layer and a protective layer disposed around the core layer to prevent gas from permeating into the core layer, and the core layer is coated with a hydrated salt. The shaped fireproof and smokeproof material according to claim 1, which contains at least a heat decomposable foaming agent and a thermally decomposable foaming agent. 3 The particle size of the granules is 0.05 to 5 mm,
The shaped fire and smokeproof material according to claim 2, wherein the protective layer has a thickness of 0.01 to 1.0 mm. 4. The shaped fireproof and smokeproof material according to any one of claims 1 to 3, wherein the hydrated salt is a hydrated alkali metal silicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1353790U JPH03106335U (en) | 1990-02-14 | 1990-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1353790U JPH03106335U (en) | 1990-02-14 | 1990-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03106335U true JPH03106335U (en) | 1991-11-01 |
Family
ID=31516948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1353790U Pending JPH03106335U (en) | 1990-02-14 | 1990-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03106335U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5159964A (en) * | 1974-11-20 | 1976-05-25 | Ig Gijutsu Kenkyusho Kk | Taika tainetsuseigoseijushitai |
| JPS5323324A (en) * | 1976-08-13 | 1978-03-03 | Basf Ag | Production method of fireerestant material |
| JPS53139400A (en) * | 1977-05-11 | 1978-12-05 | Minnesota Mining & Mfg | Combined flame retarder |
-
1990
- 1990-02-14 JP JP1353790U patent/JPH03106335U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5159964A (en) * | 1974-11-20 | 1976-05-25 | Ig Gijutsu Kenkyusho Kk | Taika tainetsuseigoseijushitai |
| JPS5323324A (en) * | 1976-08-13 | 1978-03-03 | Basf Ag | Production method of fireerestant material |
| JPS53139400A (en) * | 1977-05-11 | 1978-12-05 | Minnesota Mining & Mfg | Combined flame retarder |
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