CN100447470C - Expansion fireproof casing pipe and producing method thereof - Google Patents
Expansion fireproof casing pipe and producing method thereof Download PDFInfo
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- CN100447470C CN100447470C CNB2007100415917A CN200710041591A CN100447470C CN 100447470 C CN100447470 C CN 100447470C CN B2007100415917 A CNB2007100415917 A CN B2007100415917A CN 200710041591 A CN200710041591 A CN 200710041591A CN 100447470 C CN100447470 C CN 100447470C
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Abstract
The invention discloses an inflatable fireproof covering and the preparing method. The fireproof covering uses the oxygen-enriched polymer as the resin base and the inflatable graphite, the poly ammonium phosphate as the inflatable fire retardant, the Mg(OH)2 (or Al) and the red phosphorus as the non-expansive retardant. It is made by the process of primary mixing-pinching-close refine-pelleting-extruding. The fireproof covering has the light weight, high expansibility, perfect retardant effect and firm burning residue.
Description
Technical field
The present invention relates to a kind of fireproof casing, specifically, relate to a kind of expansion fireproof casing pipe.
Background technique
Fireproof casing penetrates the fire prevention part of usefulness as cable, pipe in wall, floor or the ceiling board of deck, ship wall and the building of steamer.When fire took place, fireproof casing played sealed penetration, and stoped the effect of flame penetration.Known fireproof casing has two classes usually: (1) has the metal shell of a tubulose, it have opening of being used for afterwards installing or close mechanism and with the hinge of part 3 in relative position; In this shell, bulking meterial is housed, and mixes use with Bond (seeing US4109423).This material expands when fire takes place and seals because cable or pipe send or melt the hole of formation.But this fireproof casing is undesirable to the sealing of large diameter hole.The cost of production of this sleeve pipe is high and use inconvenient shortcoming simultaneously.(2) fire-resistant fabric flexible pipe, bulking meterial (DE10039720.4) is equipped with in inside.Though this fireproof casing has reliable sealing process to larger-diameter hole, also exist complicated shortcoming is installed.
Summary of the invention
The object of the present invention is to provide a kind of expansivity height, flame retardant effect excellence and the firm fireproof casing of combustion residue conglomeration; it is the larger-diameter hole of energy effective closure when fire takes place; and can bear bigger firing pressure; be used with fireproof seal gum simultaneously; can also play sealing and protective action to cable and pipe path, make it to avoid the influence of cigarette, gas and water.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides a kind of expansion fireproof casing pipe, its raw material consists of: oxygen enrichment base polymer 60～95 weight portions, thermoplastic elastomer (TPE) 5～40 weight portions, expanded graphite 20～50 weight portions, ammonium polyphosphate 10～30 weight portions, magnesium hydroxide (or aluminium) 20～60 weight portions, red phosphorus 5～30 weight portions, age resister 1-2 weight portion.
Wherein, described oxygen enrichment base polymer is a kind of in lactoprene, ethylene-vinyl acetate copolymer (VAc content 30～70%), the urethane rubber;
Described thermoplastic elastomer (TPE) is a kind of in 1-butylene thermoplastic elastomer (TPE), the ethylene-octene copolymer elastomer;
Described age resister is 2,2,4-trimethyl-1, and 2-dihyaroquinoline (RD), 2 mercapto benzimidazole (MB), 2,2 '-a kind of in methylene-two (4-methyl-6-tert butyl phenol) (2246).
Invention selects for use the oxygen enrichment base polymer to be intended to make the conglomeration of combustion residue firm as matrix, the also usefulness of expanded graphite and ammonium polyphosphate is not only given the expansion effect of sleeve pipe excellence, and gives sleeve pipe extraordinary flame retardant property with magnesium hydroxide (or aluminium) and red phosphorus acting in conjunction.
The concrete preparation method of expansion fireproof casing pipe is: above-mentioned various raw materials are prepared by prescription, by just mix-operations such as kneading-banburying-granulation-extrude make, its process parameter: 80-120 ℃ of banburying temperature, banburying time 15-20min, extrusion temperature 80-130 ℃.
The inside/outside diameter size of fireproof casing can be realized by changing extrusion die according to customer requirements.
Compare with existing fireproof casing, that fireproof casing of the present invention has is in light weight, degrees of expansion is high, can the larger-diameter hole of effective closure, advantage such as easy to install and low price.
Embodiment
Following embodiment is that the invention will be further described, rather than limits protection scope of the present invention.
Embodiment 1
Lactoprene 75 weight portions, 1-butylene thermoplastic elastomer (TPE) 25 weight portions, expanded graphite 20 weight portions, ammonium polyphosphate 25 weight portions, magnesium hydroxide 60 weight portions, red phosphorus 10 weight portions, anti-aging agent RD 1 weight portion.Operations such as just mixing-kneading-banburying-granulation-extrude and make its process parameter: 80 ℃ of banburying temperature, banburying time 20min, extrusion temperature 80-110 ℃, can make expansion fireproof casing pipe, the oxygen index of this sleeve pipe is 42, expansivity after the burning reaches 500%, and the combustion residue conglomeration is firm.
Embodiment 2
Ethylene-vinyl acetate copolymer (vinyl acetate content 70%) 60 weight portions, ethylene-octene copolymer thermoplastic elastomer (TPE) 40 weight portions, expanded graphite 50 weight portions, ammonium polyphosphate 10 weight portions, aluminium hydroxide 20 weight portions, red phosphorus 30 weight portions, anti-aging agent RD 2 weight portions.Operations such as just mixing-kneading-banburying-granulation-extrude and make its process parameter: 110 ℃ of banburying temperature, banburying time 15min, extrusion temperature 90-120 ℃, can make expansion fireproof casing pipe, the oxygen index of this sleeve pipe is 48, expansivity after the burning reaches 600%, and the combustion residue conglomeration is firm.
Embodiment 3
Urethane rubber 80 weight portions, ethylene-octene copolymer thermoplastic elastomer (TPE) 20 weight portions, expanded graphite 40 weight portions, ammonium polyphosphate 20 weight portions, magnesium hydroxide 30 weight portions, red phosphorus 5 weight portions, antioxidant MB 1 weight portion.Operations such as just mixing-kneading-banburying-granulation-extrude and make its process parameter: 110 ℃ of banburying temperature, banburying time 20min, extrusion temperature 80-120 ℃, can make expansion fireproof casing pipe, the oxygen index of this sleeve pipe is 43, expansivity after the burning reaches 550%, and the combustion residue conglomeration is firm.
Embodiment 4
Ethylene-vinyl acetate copolymer (vinyl acetate content 30%) lactoprene 95 weight portions, 1-butylene thermoplastic elastomer (TPE) 5 weight portions, expanded graphite 30 weight portions, ammonium polyphosphate 15 weight portions, with magnesium hydroxide 30 weight portions, red phosphorus 20 weight portions, age resister 2,2 '-methylene-two (4-methyl-6-tert butyl phenol) 1 weight portion.Operations such as just mixing-kneading-banburying-granulation-extrude and make its process parameter: 120 ℃ of banburying temperature, banburying time 15min, extrusion temperature 90-130 ℃, can make expansion fireproof casing pipe, the oxygen index of this sleeve pipe is 45, expansivity after the burning reaches 500%, and the combustion residue conglomeration is firm.
Embodiment 5
Lactoprene 90 weight portions, 1-butylene thermoplastic elastomer (TPE) 10 weight portions, expanded graphite 40 weight portions, ammonium polyphosphate 15 weight portions, aluminium hydroxide 25 weight portions, red phosphorus 25 weight portions, antioxidant MB 2 weight portions.Operations such as just mixing-kneading-banburying-granulation-extrude and make its process parameter: 80 ℃ of banburying temperature, banburying time 20min, extrusion temperature 80-110 ℃, can make expansion fireproof casing pipe, the oxygen index of this sleeve pipe is 49, expansivity after the burning reaches 500%, and the combustion residue conglomeration is firm.
Embodiment 6
Ethylene-vinyl acetate copolymer (vinyl acetate content 50%) 90 weight portions, 1-butylene thermoplastic elastomer (TPE) 10 weight portions, expanded graphite 40 weight portions, ammonium polyphosphate 20 weight portions, magnesium hydroxide 35 weight portions, red phosphorus 20 weight portions, antioxidant MB 2 weight portions.Operations such as just mixing-kneading-banburying-granulation-extrude and make its process parameter: 100 ℃ of banburying temperature, banburying time 20min, extrusion temperature 80-120 ℃, can make expansion fireproof casing pipe, the oxygen index of this sleeve pipe is 46, expansivity after the burning reaches 600%, and the combustion residue conglomeration is firm.
Claims (2)
1, a kind of expansion fireproof casing pipe, its raw material consists of: oxygen enrichment base polymer 60～95 weight portions, thermoplastic elastomer (TPE) 5～40 weight portions, expanded graphite 20～50 weight portions, ammonium polyphosphate 10～30 weight portions, magnesium hydroxide or aluminium hydroxide 20～60 weight portions, red phosphorus 5～30 weight portions, age resister 1-2 weight portion;
Wherein, described oxygen enrichment base polymer is a kind of in ethylene-vinyl acetate copolymer in 30～70% scopes of lactoprene, vinyl acetate content, the urethane rubber;
Described thermoplastic elastomer (TPE) is a kind of in 1-butylene thermoplastic elastomer (TPE), the ethylene-octene copolymer elastomer;
Described age resister is 2,2,4-trimethyl-1, and 2-dihyaroquinoline, 2 mercapto benzimidazole, 2,2 '-a kind of in methylene-two (the 4-methyl-6-tert butyl phenol).
2, the preparation method of expansion fireproof casing pipe described in a kind of claim 1, it is characterized in that: above-mentioned various raw materials are prepared by prescription, by just mixing-kneading-banburying-granulation-extrude operation manufacturing, its process parameter: 80-120 ℃ of banburying temperature, banburying time 15-20min, extrusion temperature 80-130 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100415917A CN100447470C (en) | 2007-06-01 | 2007-06-01 | Expansion fireproof casing pipe and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100415917A CN100447470C (en) | 2007-06-01 | 2007-06-01 | Expansion fireproof casing pipe and producing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101067465A CN101067465A (en) | 2007-11-07 |
| CN100447470C true CN100447470C (en) | 2008-12-31 |
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| CNB2007100415917A Active CN100447470C (en) | 2007-06-01 | 2007-06-01 | Expansion fireproof casing pipe and producing method thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974195B (en) * | 2010-10-12 | 2012-08-15 | 广州市合诚化学有限公司 | Fire-retarding and low-temperature resistant polypropylene material, preparation method thereof and use thereof |
| CN103087377B (en) * | 2011-11-08 | 2016-03-23 | 上海特缆电工科技有限公司 | A kind of nuclear power 1 E-level K 3-type heat-shrinkable T bush material and preparation thereof |
| EP3250623B1 (en) | 2015-01-30 | 2022-07-27 | Zephyros Inc. | Adhesive material and method of use thereof |
| WO2016126595A1 (en) | 2015-02-03 | 2016-08-11 | Zephyros, Inc. | One part epoxy-based composition |
| EP3311054B1 (en) * | 2015-06-19 | 2020-01-29 | Rockwool International A/S | Intumescent fire sleeve, coil of several intumescent fire sleeves and method for installation of an intumescent fire sleeve |
| CN106229893A (en) * | 2016-08-08 | 2016-12-14 | 福建省马尾造船股份有限公司 | A kind of method of cable laying |
| CN114702773B (en) * | 2022-04-22 | 2023-10-27 | 惠州市保瑞新材料有限公司 | Fireproof expansion strip and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4109423A (en) * | 1976-04-14 | 1978-08-29 | Pont-A-Mousson S.A. | Fire-proof device for a tube of fusible material which extends through a wall |
| DE3438253A1 (en) * | 1983-10-18 | 1985-05-02 | Státní výzkumný ústav materiálu, Prag/Praha | Fire-retardant sealing insert |
| JP2000055293A (en) * | 1998-08-04 | 2000-02-22 | Sekisui Chem Co Ltd | Fireproof pipe |
| CA2367730A1 (en) * | 1999-03-22 | 2000-09-28 | Hermann Kluth | Foams containing a filler |
| CN1338585A (en) * | 2000-08-14 | 2002-03-06 | 希尔蒂股份公司 | Fireproof casing |
| JP2003226772A (en) * | 2002-02-05 | 2003-08-12 | Togawa Rubber Co Ltd | Thermally expansible rubber and piping structure |
| CN1530393A (en) * | 2003-02-28 | 2004-09-22 | ��ʽ����Jsp | Polyolefin resin expanded particle and inner die foaming products |
| CN1709968A (en) * | 2005-07-05 | 2005-12-21 | 四川大学 | Halogon-free expansion flame-retarded polyolefin complex substance |
-
2007
- 2007-06-01 CN CNB2007100415917A patent/CN100447470C/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4109423A (en) * | 1976-04-14 | 1978-08-29 | Pont-A-Mousson S.A. | Fire-proof device for a tube of fusible material which extends through a wall |
| DE3438253A1 (en) * | 1983-10-18 | 1985-05-02 | Státní výzkumný ústav materiálu, Prag/Praha | Fire-retardant sealing insert |
| JP2000055293A (en) * | 1998-08-04 | 2000-02-22 | Sekisui Chem Co Ltd | Fireproof pipe |
| CA2367730A1 (en) * | 1999-03-22 | 2000-09-28 | Hermann Kluth | Foams containing a filler |
| CN1338585A (en) * | 2000-08-14 | 2002-03-06 | 希尔蒂股份公司 | Fireproof casing |
| JP2003226772A (en) * | 2002-02-05 | 2003-08-12 | Togawa Rubber Co Ltd | Thermally expansible rubber and piping structure |
| CN1530393A (en) * | 2003-02-28 | 2004-09-22 | ��ʽ����Jsp | Polyolefin resin expanded particle and inner die foaming products |
| CN1709968A (en) * | 2005-07-05 | 2005-12-21 | 四川大学 | Halogon-free expansion flame-retarded polyolefin complex substance |
Non-Patent Citations (4)
| Title |
|---|
| 热膨胀型系列防火封堵产品在建筑被动防火工程中的应用. 陈栋梁，龚卿瑜，戴昱，边福利，商德民.消防技术与产品信息，第1期. 2004 |
| 热膨胀型系列防火封堵产品在建筑被动防火工程中的应用. 陈栋梁，龚卿瑜，戴昱，边福利，商德民.消防技术与产品信息，第1期. 2004 * |
| 阻燃剂及材料的阻燃处理. 王媛原，王炳强.化学教育，第3期. 2006 |
| 阻燃剂及材料的阻燃处理. 王媛原，王炳强.化学教育，第3期. 2006 * |
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| Publication number | Publication date |
|---|---|
| CN101067465A (en) | 2007-11-07 |
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