CN101230159B - Environment-friendly type flame-retardant rubber floor and production method thereof - Google Patents
Environment-friendly type flame-retardant rubber floor and production method thereof Download PDFInfo
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- CN101230159B CN101230159B CN2007101920519A CN200710192051A CN101230159B CN 101230159 B CN101230159 B CN 101230159B CN 2007101920519 A CN2007101920519 A CN 2007101920519A CN 200710192051 A CN200710192051 A CN 200710192051A CN 101230159 B CN101230159 B CN 101230159B
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Abstract
The invention relates to raw material of environmental protection type flame retardant rubber floor, which is mainly composed of rubber, aluminum hydroxide (magnesium), reinforcing filler, sulfur, zinc oxide, stearic acid, accelerator, antioxidant, diantimony trioxide, phosphorus flame retardant, molybdenum compound, borate, and pigment. The production process is mainly composed of plasticization settlement, mixing settlement, remixing softening, malleating and sulphuration, etc., coarse material includes a plurality of highly effective environmental protection flame retardant, and traditional harmful flame retardant and heavy metal elements are stopped to be used. The product has the advantages of low smoke, low toxicity, low corrosion, good flame-resistant performance, strong tensile strength, and good anti-slip and elastic performance, etc., thus being suitable to be widely used in the public places such as trains, ships, hospitals, organizations, schools and entertainment place, etc. with high fire protection requirements.
Description
Technical field
This relates to a kind of rubber floor covering, and particularly a kind of smokelessly fireproof rubber floor of nontoxic compliance with environmental protection requirements belongs to rubber materials.
Background technology
Fireproof rubber floor is owing to have good flame retardancy and advantage such as durable in use, as the fireproof rubber floor of producing with the method for ZL96116942.7 patent, be extensive use of in the high place of fire protection requirements such as various trains, boats and ships, hospital, mechanism, school, public place of entertainment, the starting material on this floor mainly are based on halogenated flame retardant, and the flame retarding efficiency of halogenated flame retardant and the consistency of organic synthesis are very excellent.These halogenated flame retardants were once made significant contribution for national economy, development of modern science and technology; but; halogenated flame retardant amount of being fuming when material combustion is big; and the hydrogen halide with fire retardation that discharges is not only poisonous but also be corrosive, and this is obviously against in human development and requirement on environmental protection.
Summary of the invention
The objective of the invention is for overcome above-mentioned existing be that the fireproof rubber floor of main raw material exists the dense and deleterious weak point of cigarette with the halogenated flame retardant, providing a kind of is the environment-friendly type flame-retardant rubber floor of main raw material with the LSZH fire retardant.
Another object of the present invention is to provide a kind of concrete preparation method for environment-friendly type flame-retardant rubber floor.
Environment-friendly type flame-retardant rubber floor of the present invention, mainly be on the basis of above-mentioned fireproof rubber floor, will when burning the amount of being fuming big, and the hydrogen halide and the mordant halogenated flame retardant that discharge toxic gas change the asepsis environment-protecting fire retardant of using low cigarette or pressing down cigarette, but the kind of environmental protection fire retarding agent is a lot, as magnalium be, phosphorus system, antimony system, boron system and molybdenum thing etc., consistency owing to every kind of environment friendly flame retardant and rubber, loading level, flame retardant properties, influence to mechanical property, press down cigarette, aspects such as price all are not quite similar, be not that any preparation can both be successful, through for many years the production practice and the screening of multiple different ingredients, and in conjunction with the particular case of every kind of fire retardant, resize ratio, use cooperatively interacts, reached good synergy, its raw material comprises rubber, aluminium hydroxide or magnesium hydroxide, reinforcing filler, sulphur, zinc oxide, stearic acid, promotor, anti-aging agent, antimonous oxide and pigment are an amount of, also comprise phosphorus flame retardant, molybdenum thing and borate, the weight part of its preparation is: 100 parts of rubber, 40～70 parts of aluminium hydroxide or magnesium hydroxides, 20～60 parts of reinforcing fillers, 3～5 parts in sulphur, 4～7 parts in zinc oxide, 2～4 parts of stearic acid, 6～12 parts of promotor, 2～7 parts in anti-aging agent, 3～7 parts of antimonous oxides, 20～50 parts of phosphorus flame retardants, 5～20 parts of molybdenum things, 10～30 parts of borates, pigment is an amount of.
Described phosphorus flame retardant is selected aluminium triphosphate, methyl acid phosphate two formicesters, potassium primary phosphate, ammonium polyphosphate, manganous phosphate, aluminum phosphate, secondary calcium phosphate or compound phosphorus flame retardant for use; Described molybdenum thing is selected the compound fumicants that presses down of molybdenum oxide, zinc molybdate, calcium molybdate or zeolite based for use; Borate is selected magnesium borate, lime borate or zinc borate for use.
Described reinforcing filler is selected one or more mixing in white carbon black, carbon black, potter's clay, fine particle calcium carbonate, talcum powder or the RFC type reinforcing filler for use.
Described promotor is selected captax, altax, CBS, TMTD or DTDM for use; Anti-aging agent is chosen with antioxidant MB, antioxidant SP, RD or 4010A.
The preparation method of environment-friendly type flame-retardant rubber floor of the present invention and existing method are basic identical, mainly may further comprise the steps:
A) plasticate and leave standstill: rubber and pigment are put into mill carry out leaving standstill more than 10 hours after broken-(down)rubber is plasticated in fragmentation;
B) mixing leaving standstill: broken-(down)rubber after will leaving standstill dropped into mixing roll elder generation heat refining 5 minutes, dropped into deal many part coarse fodder and the few whole fineves of deal more successively, will remain at last after the coarse fodder input to leave standstill more than 20 hours behind the one-tenth rubber unvulcanizate in mixing 20 minutes again;
C) heat refining is softening: the rubber unvulcanizate after will leaving standstill makes it the softening gum stock that is through 10 minutes heat refining;
D) rolling out film and sulfuration: the gum stock of heat refining post softening is environment-friendly type flame-retardant rubber floor through rolling out film and sulfidization molding again.
Above-mentioned cure conditions can be made as: curing temperature 150-160 ℃; Sulfide stress 17-20MPa; Curing time 18-20min.
With raw material provided by the invention and method thereof, can produce have low cigarette, low toxicity, no burn into flame retardant properties is good, tensile strength is high, anti-skidding and environment-friendly type flame-retardant rubber floor that rebound performance is good, this environment-friendly type flame-retardant rubber floor product detects through authoritative department, its oxygen index is 35%, average smoke density is 200Dm, tensile strength is 9.6Mpa, and wear rate is 180mm
3, do not contain heavy metal and hydrogen halides such as Pb, Cd, Hg simultaneously.Be a kind of qualified environment-friendly type flame-retardant rubber floor, be fit to train, boats and ships, hospital, mechanism, school, public place of entertainment etc. the high public place of fire protection requirement is extensive use of.
Embodiment
Composition of raw materials of the present invention is further described and is exemplified below with weight part:
Example 1: 100 parts of rubber, aluminium hydroxide or 40 parts of magnesium hydroxides, 20 parts of reinforcing fillers, 3 parts in sulphur, 4 parts in zinc oxide, 2 parts of stearic acid, 6 parts of promotor, 2 parts in anti-aging agent, 3 parts of antimonous oxides, 20 parts of phosphorus flame retardants, 5 parts of molybdenum things, 10 parts of borates, pigment are an amount of.
Example 2: 100 parts of rubber, aluminium hydroxide or 70 parts of magnesium hydroxides, 60 parts of reinforcing fillers, 5 parts in sulphur, 7 parts in zinc oxide, 4 parts of stearic acid, 12 parts of promotor, 7 parts in anti-aging agent, 7 parts of antimonous oxides, 50 parts of phosphorus flame retardants, 20 parts of molybdenum things, 30 parts of borates, pigment are an amount of.
Example 3: 100 parts of rubber, aluminium hydroxide or 55 parts of magnesium hydroxides, 40 parts of reinforcing fillers, 4 parts in sulphur, 5 parts in zinc oxide, 3 parts of stearic acid, 9 parts of promotor, 5 parts in anti-aging agent, 5 parts of antimonous oxides, 35 parts of phosphorus flame retardants, 15 parts of molybdenum things, 20 parts of borates, pigment are an amount of.
Example 4: 100 parts of rubber, aluminium hydroxide or 40 parts of magnesium hydroxides, 60 parts of reinforcing fillers, 5 parts in sulphur, 7 parts in zinc oxide, 4 parts of stearic acid, 12 parts of promotor, 7 parts in anti-aging agent, 7 parts of antimonous oxides, 50 parts of phosphorus flame retardants, 20 parts of molybdenum things, 30 parts of borates, pigment are an amount of.
Example 5: 100 parts of rubber, aluminium hydroxide or 70 parts of magnesium hydroxides, 20 parts of reinforcing fillers, 3 parts in sulphur, 4 parts in zinc oxide, 2 parts of stearic acid, 6 parts of promotor, 2 parts in anti-aging agent, 3 parts of antimonous oxides, 20 parts of phosphorus flame retardants, 5 parts of molybdenum things, 10 parts of borates, pigment are an amount of.
Example 6: 100 parts of rubber, aluminium hydroxide or 70 parts of magnesium hydroxides, 20 parts of reinforcing fillers, 4 parts in sulphur, 6 parts in zinc oxide, stearic acid 3,9 parts of promotor, 5 parts in anti-aging agent, 5 parts of antimonous oxides, 50 parts of phosphorus flame retardants, 20 parts of molybdenum things, 30 parts of borates, pigment are an amount of.
Example 7: 100 parts of rubber, aluminium hydroxide or 40 parts of magnesium hydroxides, 30 parts of reinforcing fillers, 3 parts in sulphur, 5 parts in zinc oxide, 2 parts of stearic acid, 8 parts of promotor, 2.5 parts in anti-aging agent, 3 parts of antimonous oxides, 40 parts of phosphorus flame retardants, 15 parts of molybdenum things, 25 parts of borates, pigment are an amount of.
Example 8: 100 parts of rubber, aluminium hydroxide or 50 parts of magnesium hydroxides, 40 parts of reinforcing fillers, 4 parts in sulphur, 4 parts in zinc oxide, 2.5 parts of stearic acid, 7 parts of promotor, 2 parts in anti-aging agent, 5 parts of antimonous oxides, 30 parts of phosphorus flame retardants, 10 parts of molybdenum things, 20 parts of borates, pigment are an amount of.
Example 9: 100 parts of rubber, aluminium hydroxide or 60 parts of magnesium hydroxides, 50 parts of reinforcing fillers, 5 parts in sulphur, 7 parts in zinc oxide, 4 parts of stearic acid, 11 parts of promotor, 5 parts in anti-aging agent, 6 parts of antimonous oxides, 45 parts of phosphorus flame retardants, 5 parts of molybdenum things, 15 parts of borates, pigment are an amount of.
In a word, its raw material can be adjusted in following ranges, that is: 100 parts of rubber, aluminium hydroxide or 40～70 parts of magnesium hydroxides, 20～60 parts of reinforcing fillers, 3～5 parts in sulphur, 4～7 parts in zinc oxide, 2～4 parts of stearic acid, 6～12 parts of promotor, 2～7 parts in anti-aging agent, 3～7 parts of antimonous oxides, 20～50 parts of phosphorus flame retardants, 5～20 parts of molybdenum things, 10～30 parts of borates, pigment are an amount of.
Rubber in the above-mentioned raw materials can be mixed by natural rubber and synthetic rubber, and its blending ratio is that natural rubber is 10～50%, synthetic rubber is 50～90%.
Described phosphorus flame retardant is selected aluminium triphosphate, methyl acid phosphate two formicesters, potassium primary phosphate, ammonium polyphosphate, manganous phosphate, aluminum phosphate, secondary calcium phosphate or compound phosphorus flame retardant for use; Described molybdenum thing is selected the compound fumicants that presses down of molybdenum oxide, zinc molybdate, calcium molybdate or zeolite based for use; Borate is selected magnesium borate, lime borate or zinc borate for use.Reinforcing filler is selected one or more mixing in white carbon black, carbon black, potter's clay, fine particle calcium carbonate, talcum powder or the RFC type reinforcing filler for use.Promotor is selected captax, altax, CBS, TMTD or DTDM for use; Anti-aging agent is chosen with antioxidant MB, antioxidant SP, RD or 4010A.
In order to improve tensile strength and rebound performance, raw material stirring is evenly very important, during production, natural rubber and synthetic rubber and pigment plasticated into earlier to leave standstill behind the broken-(down)rubber add coarse fodder again after 12 hours and fines is mixing, in order to make it uniform mixing more, broken-(down)rubber after leaving standstill elder generation heat refining several minutes should be dropped into again 1/3～1/2 coarse fodder and whole mixing several minutes of fines, to remain coarse fodder at last and all drop into the back mixing 20 minutes, take out to place then about 24 hours, and at last this glue was made it softening through 10 minutes heat refining and can be again make environment-friendly type flame-retardant rubber floor through rolling out film and sulfidization molding.
Claims (6)
1. environment-friendly type flame-retardant rubber floor, its raw material comprises rubber, aluminium hydroxide or magnesium hydroxide, reinforcing filler, sulphur, zinc oxide, stearic acid, promotor, anti-aging agent, antimonous oxide and pigment are an amount of, it is characterized in that also comprising phosphorus flame retardant, molybdenum thing and borate, its preparation weight part is: 100 parts of rubber, 40～70 parts of aluminium hydroxide or magnesium hydroxides, 20～60 parts of reinforcing fillers, 3～5 parts in sulphur, 4～7 parts in zinc oxide, 2～4 parts of stearic acid, 6～12 parts of promotor, 2～7 parts in anti-aging agent, 3～7 parts of antimonous oxides, 20～50 parts of phosphorus flame retardants, 5～20 parts of molybdenum things, 10～30 parts of borates, pigment is an amount of.
2. environment-friendly type flame-retardant rubber floor as claimed in claim 1 is characterized in that described phosphorus flame retardant selects aluminium triphosphate, methyl acid phosphate two formicesters, potassium primary phosphate, ammonium polyphosphate, manganous phosphate, aluminum phosphate, secondary calcium phosphate or compound phosphorus flame retardant for use; Described molybdenum thing is selected molybdenum oxide, zinc molybdate, calcium molybdate for use; Borate is selected magnesium borate, lime borate or zinc borate for use.
3. environment-friendly type flame-retardant rubber floor as claimed in claim 2 is characterized in that described reinforcing filler selects one or more mixing in white carbon black, carbon black, potter's clay, fine particle calcium carbonate, talcum powder or the RFC type reinforcing filler for use.
4. environment-friendly type flame-retardant rubber floor as claimed in claim 3 is characterized in that described promotor selects captax, altax, CBS, TMTD or DTDM for use; Anti-aging agent is chosen with anti-aging agent M13, antioxidant SP, RD or 4010A.
5. the preparation method of claim 1 or 2 or 3 or 4 described rubber floor coverings is characterized in that may further comprise the steps:
A) plasticate and leave standstill: rubber and pigment are put into mill carry out leaving standstill more than 10 hours after broken-(down)rubber is plasticated in fragmentation;
B) mixing leaving standstill: broken-(down)rubber after will leaving standstill dropped into mixing roll elder generation heat refining 5 minutes, dropped into deal many part coarse fodder and the few whole fineves of deal more successively, will remain at last after the coarse fodder input to leave standstill more than 20 hours behind the one-tenth rubber unvulcanizate in mixing 20 minutes again;
C) heat refining is softening: the rubber unvulcanizate after will leaving standstill makes it the softening gum stock that is through 10 minutes heat refining;
D) rolling out film and sulfuration: the gum stock of heat refining post softening is environment-friendly type flame-retardant rubber floor through rolling out film and sulfidization molding again.
6. the preparation method of the described rubber floor covering of claim 5 is characterized in that described cure conditions is made as: curing temperature 150-160 ℃; Sulfide stress 17-20MPa; Curing time 18-20min.
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| CN2007101920519A CN101230159B (en) | 2007-12-30 | 2007-12-30 | Environment-friendly type flame-retardant rubber floor and production method thereof |
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| CN2007101920519A CN101230159B (en) | 2007-12-30 | 2007-12-30 | Environment-friendly type flame-retardant rubber floor and production method thereof |
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| CN101230159B true CN101230159B (en) | 2011-10-19 |
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| CN102911557A (en) * | 2012-10-10 | 2013-02-06 | 来安县亨通橡塑制品有限公司 | Printing ink for flame-retardant rubber floor |
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| CN102070846B (en) * | 2011-01-29 | 2012-11-14 | 常州昌达轨道交通设备有限公司 | Formula of rubber floorboard covering used for rail vehicle |
| CN102852314B (en) * | 2011-06-30 | 2014-09-03 | 上海大巨龙蓬盖新材料有限公司 | Manufacturing method of rubber patterned coiled material floor |
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| CN103289200B (en) * | 2013-06-20 | 2016-03-23 | 广西新晶科技有限公司 | A kind of preparation method of phosphorous and molybdenum non-halogen fire retardant |
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| CN106589623A (en) * | 2016-12-16 | 2017-04-26 | 江苏昌达环保科技有限公司 | Environment-friendly flame-retardant rubber floor and preparation method thereof |
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| CN109320788A (en) * | 2017-07-31 | 2019-02-12 | 傲优新材料科技（上海）有限公司 | A kind of fireproof rubber floor and preparation method thereof |
| CN111303510A (en) * | 2020-03-17 | 2020-06-19 | 泉州市泉石通智能科技有限公司 | Flame-retardant floor material containing molybdenum compound and preparation method thereof |
| CN113861536A (en) * | 2021-09-09 | 2021-12-31 | 常熟市海虞橡胶有限公司 | Flame-retardant sealing rubber strip and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077410A (en) * | 1993-01-07 | 1993-10-20 | 李有生 | Thermoplastic rubber's monochrome and polychrome floor wall tile and method for making |
| CN1536000A (en) * | 2003-04-07 | 2004-10-13 | 北京化工大学 | Nano inorganic composite fire-resisting agent for macromolecular material |
-
2007
- 2007-12-30 CN CN2007101920519A patent/CN101230159B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077410A (en) * | 1993-01-07 | 1993-10-20 | 李有生 | Thermoplastic rubber's monochrome and polychrome floor wall tile and method for making |
| CN1536000A (en) * | 2003-04-07 | 2004-10-13 | 北京化工大学 | Nano inorganic composite fire-resisting agent for macromolecular material |
Non-Patent Citations (2)
| Title |
|---|
| 刘冠文,谢春灼.低烟无卤阻燃MDPE/EPDM共混物的研究.合成材料老化与应用34 3.2005,34(3),17-23. |
| 刘冠文,谢春灼.低烟无卤阻燃MDPE/EPDM共混物的研究.合成材料老化与应用34 3.2005,34(3),17-23. * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911557A (en) * | 2012-10-10 | 2013-02-06 | 来安县亨通橡塑制品有限公司 | Printing ink for flame-retardant rubber floor |
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