Composition for producing porous packing film

专利摘要:
An intumescent composition which can be applied to an article as a solution or as a putty contains the following ingredients: a binding agent; an inorganic phosphate; a melamine type compound; starch, dextrin or carboxymethyl-cellulose; pentaerythritol; and optionally a foaming agent.
公开号:SU897795A1
申请号:SU782701055
申请日:1978-12-22
公开日:1982-01-15
发明作者:Вашатко Эдуард；Кавалек Йосеф；Карасек Вацлав
申请人:Статни Вызкумны Устав Материалу (Инопредприятие)；
IPC主号:

专利说明:

(54) COMPOSITION FOR POROUS SEALING FILMS
one
The image of ognosigs to the plastics industry and concerns the development of a composition for producing a porous sealing film.
Known composition for obtaining s
Porisga sealing film comprising polychloroprene rubber or polyvinyl acetate and a blowing agent selected from the group: 1,1-azobis- (formamide), hexamethylene heteramide hexane nitride til. ten
However, this composite does not allow improving the quality of the film,
The circuit of the invention is to improve the quality of the film.
The goal is achieved by the fact that a preparation for a porous sealing film comprising polychloroprene rubber or polyvinyl acetate and a pore-forming agent selected from the group: 1.1-m-azobis (formamide, hexamethylenehetraamidehexanigrate, additionally contains sodium or ammonium phosphate, amide cyanurum pentaerythritol starch
or carboxymethylcellulose with a ratio of components, weight .h ,: Polychloroprene rubber or polyvinylacetate 40-55
Poroobrazhel9-11
Sodium or ammonium phosphate 20-25
Amide of cyanuric acid 6-10 Pengraergrit12
Starch or carboxymethylcellulose8-10
Example I. A penny lint film is prepared at a ratio of components, parts by weight: sodium phosphate 20,
15 amide of cyanuric acid 6, carboxymethylcellulose 8, pentaerythritol 12 and a pore-former based on hexamethylentetraamide hexanitrate 9. This loose mixture is mixed with 55 weight, h. chloroprene rubber. After complete homogenization, the mixture is applied to filter paper, preferably using a spatula, for the required foaming, 3897795
Neither 35 mm in one layer with a half-length 1.5mm (.
After application, the finished film at 5 ° C is heat-treated for at least 6 hours and formed into a tape.
EXAMPLE 2 A foam sealing film was prepared to protect the steel structure, its component ratio, parts by weight: ammonium phosphate 25, amide of cyanuric acid 10, starch Yu, and pentaerygrite 12. Add II weight.h. pore former based on 1, 1g-azobis- (formamide) .. The mixture is mixed with 40 parts by weight. sizing on the basis of polyvinyl acetate and this mixture in the form of a fluid putty is impregnated with a glass mat in the form of a film weighing
50 g / m. About 1000 g of this mixture is consumed per I m. In parallel with this mixture, a mesh weighing about 10,000 with a mesh size of about 15 mm is impregnated with an aluminum film based on an aluminum film. After about
6 hours at .40 C 068 layers are put on one another with their impregnated sides, waiting for them with pressure rollers or rolling and soaking the other side of the glass mat in the same way. The total consumption of impregnation is about 250 O g / mCh.
After drying on a drying installation at 4 ° C for at least 6 hours, the finished film is cut according to the measure of need with percussion or lever scissors.
The resulting porous film is characterized by an increased sealing junction;

权利要求:
Claims (1)
[1]
Invention Formula
A composition for producing a porous sealing film comprising polychloroprene rubber or polyvinyl acetate and a blowing agent selected from the group: 1,1-azobis- (formamide), hexamethylentetraamide hexanitrate, characterized in that, in order to improve the quality of the film, the composition additionally contains sodium phosphate or ammonium., amide of cyanuric acid, pentaerythritol1 Starch or carboxymethylcellulose with a ratio of components, parts by weight:
Popichloroprene
rubber shsh polyvinyl 40-55 acetate
Blowing agent 9-11
Sodium phosphate or
20-25
ammonium
Amide cyanuric
6-10
acids
Pentraerithritis 12
Starch or carboxy8-12 methylcellulose
Sources of information that are considered in the examination
I. Japan Patent No. 51-114469, cl. 25 (5) H 502.11, published, 1976 (prototype).

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同族专利:

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公开号 | 公开日

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NL7810704A|1979-06-26|

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GB2013215B|1982-07-21|

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YU296778A|1983-01-21|

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DD140892A1|1980-04-02|

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AT363572B|1981-08-10|

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FR2412764A1|1979-07-20|

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JPS5487766A|1979-07-12|

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ATA719078A|1981-01-15|

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BE871498A|1979-02-15|

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DE2855691A1|1979-06-28|

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GB2013215A|1979-08-08|

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CS213620B1|1982-04-09|

引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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US3513114A|1966-01-07|1970-05-19|Monsanto Co|Intumescent coating compositions|

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GB1095857A|1966-02-25|1967-12-20|Albi Mfg Company Inc|Improved fire-retardant coating composition|

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GB1408133A|1971-08-04|1975-10-01|Fenner Co Ltd J H|Fire retardant compositions|

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DE2359699B2|1973-11-30|1978-09-21|Hoechst Ag, 6000 Frankfurt|Inflatable, flame-retardant coating compounds|JPS606236B2|1981-02-16|1985-02-16|Kurare Isopuren Kemikaru Kk|

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JPH0548742B2|1985-06-04|1993-07-22|Nok Corp|

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GB2181141B|1985-10-01|1989-01-05|Pirelli General Plc|Fire retardant polymeric compounds|

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DE9400347U1|1994-01-11|1994-03-31|Hpp Profile Gmbh|Fire protection seal|

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DE4433590A1|1994-09-21|1996-03-28|Cellpack Gmbh|Cavity-filling polymer insulation and sealant, used e.g. for electrical insulation|

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DE4436280A1|1994-10-11|1996-04-18|Chemie Linz Deutschland|Multilayered, permanently elastic sealing element for sealing openings in a building wall|

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GB2361868B|2000-05-04|2003-07-02|Environmental Seals Ltd|Ventilator grills|

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DE10341382A1|2003-09-08|2005-03-31|Hne Vertriebs- Und System Gmbh|Method and apparatus for extinguishing metal fires|

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IT201600098057A1|2016-09-30|2018-03-30|Everet Duklair S R L|FIRE PREVENTION DEVICE|

法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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CS877577A|CS213620B1|1977-12-23|1977-12-23|Packing blowable foil|

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