CN106987059A - It is a kind of to reduce composition, fireproof rubber floor and the preparation method of rubber smoke density - Google Patents
It is a kind of to reduce composition, fireproof rubber floor and the preparation method of rubber smoke density Download PDFInfo
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- CN106987059A CN106987059A CN201710278166.3A CN201710278166A CN106987059A CN 106987059 A CN106987059 A CN 106987059A CN 201710278166 A CN201710278166 A CN 201710278166A CN 106987059 A CN106987059 A CN 106987059A
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K2003/026—Phosphorus
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The present invention relates to rubber, specifically, it is related to a kind of composition of reduction rubber smoke density, it is made up of 15~40 parts of 3 ~ 10 parts of ammonium octamolybdate and Firebrake ZB.The invention also discloses a kind of fireproof rubber floor for adding above-mentioned reduction rubber smoke density and preparation method thereof.The composition for the reduction rubber smoke density that the present invention is provided can effectively reduce the smoke density of rubber；Environment-friendly materials are applied in the fireproof rubber floor formula that the present invention is provided, without using banned substance, burning, baking state and normality do not produce poisonous, harmful volatilization gas, are fire-retardant, low cigarette, nontoxic and environment-friendly and green product.
Description
Technical field
The present invention relates to rubber, specifically, with being related to a kind of composition for reducing rubber smoke density, flame retardant rubber
Plate and preparation method.
Background technology
With the expansion of natural rubber application field, the requirement more and more higher to rubber fire resistance is fire-retardant natural
The development and application of rubber has become more and more important.Flame retardant rubber is manufactured using halogen containing flame-retardant, is had both at home and abroad substantial amounts of
Research report, the advantage of halogen flame retardant rubber is there is higher anti-flammability, and its have the disadvantage to produce during burning a large amount of smog,
Toxicant, strong corrosive material, larger injury can be all produced to environment and human body.With the enhancing of people's environmental consciousness,
Low cigarette, the low-poison and combustion-resisting elastomeric material of Halogen turn into the focus of research.
Existing fireproof rubber floor raw material are mainly based on halogenated flame retardant, and in material combustion, smoke amount is big,
And the hydrogen halides with fire retardation of release is not only poisonous but also be corrosive, once burning, the death by suffocation of people is easily caused
Die.With stepping up for environmentally friendly, health requirements, flame retardant rubber is inevitable to low cigarette, nontoxic trend development.
The content of the invention
The present invention first purpose be：Overcome in the prior art existing fireproof rubber floor contain halogenated flame retardant,
So that the technical problem that smoke amount is big, smoke is poisonous during burning is there is provided a kind of good flame retardation effect, pernicious gas burst size during burning
The composition of less reduction rubber smoke density.
Realizing the technical scheme that first purpose of the invention is used is：It is a kind of to reduce the composition of rubber smoke density, its
Innovative point is, in terms of mass parts, is made up of 15~40 parts of 3 ~ 10 parts of ammonium octamolybdate and Firebrake ZB.
It is preferred that, in terms of mass parts, the composition of the reduction rubber smoke density is by 3 ~ 7 parts of ammonium octamolybdate and Firebrake ZB 20
~40 parts of compositions.
It is preferred that, the composition of the reduction rubber smoke density is made up of 20~30 parts of 4 ~ 7 parts of ammonium octamolybdate and Firebrake ZB.
Second object of the present invention is：A kind of good flame retardation effect is provided, pernicious gas burst size less resistance during burning
Fire rubber floor covering.
Realizing the technical scheme that second purpose of invention is used is：A kind of fireproof rubber floor, its innovative point is, with
Mass parts meter, by 80 ~ 120 parts of rubber, 30~70 parts of white carbon, 0.5~2 part of sulphur, 3~10 parts of zinc oxide, stearic acid 1~3
Part, 4~6 parts of color inhibition accelerator, 2~4 parts of age resistor, 0.5 ~ 2 part of pigment, 60~100 parts of magnesium hydroxide, nano-aluminum hydroxide
9~27 parts, 1 ~ 3 part of red phosphorus and reduce rubber smoke density composition：3 ~ 10 parts of ammonium octamolybdate and 15~40 parts of groups of Firebrake ZB
Into.
It is preferred that, the fireproof rubber floor, in terms of mass parts, by 80 ~ 120 parts of rubber, 30~70 parts of white carbon, sulphur
0.5~2 part, 3~10 parts of zinc oxide, 1~3 part of stearic acid, 4~6 parts of color inhibition accelerator, 2~4 parts of age resistor, pigment 0.5 ~ 2
The composition of part, 60~90 parts of magnesium hydroxide, 9~27 parts of nano-aluminum hydroxide, 1 ~ 3 part of red phosphorus and reduction rubber smoke density：
20~40 parts of compositions of 3 ~ 7 parts of ammonium octamolybdate and Firebrake ZB.
It is preferred that, the fireproof rubber floor, in terms of mass parts, by 80 ~ 120 parts of rubber, 30~70 parts of white carbon, sulphur
0.5~2 part, 3~10 parts of zinc oxide, 1~3 part of stearic acid, 4~6 parts of color inhibition accelerator, 2~4 parts of age resistor, pigment 0.5 ~ 2
The composition of part, 60~80 parts of magnesium hydroxide, 9~27 parts of nano-aluminum hydroxide, 1 ~ 3 part of red phosphorus and reduction rubber smoke density：
20~30 parts of compositions of 4 ~ 7 parts of ammonium octamolybdate and Firebrake ZB.
Third object of the present invention is：A kind of good flame retardation effect is provided, pernicious gas burst size less resistance during burning
Fire the preparation method of rubber floor covering.
Realizing the technical scheme that the 3rd purpose of the invention is used is：A kind of preparation method of fireproof rubber floor, tool
Body step is as follows：
（1）The proportioning of one of formula by above-mentioned fireproof rubber floor weighs rubber, white carbon, zinc oxide, stearic acid, anti-old
Agent, magnesium hydroxide, nano-aluminum hydroxide, red phosphorus, pigment and reduce rubber smoke density composition：Ammonium octamolybdate, Firebrake ZB,
The above-mentioned raw materials weighed are placed in progress 5 ~ 15min of banburying in banbury, temperature of charge is no more than 105 DEG C during banburying；
（2）The proportioning of one of formula by above-mentioned fireproof rubber floor weighs sulphur and color inhibition accelerator, adds in banbury
Continue 1 ~ 5min of banburying；
（3）Step will be passed through（2）The material that banburying is obtained gradually cool in 3 ~ 10min of mixing, mixing process, until mixing
At the end of temperature be reduced to 50 ~ 60 DEG C and obtain sheet semi-finished product I；
（4）By step（3）Obtained sheet semi-finished product I are extruded and rolled, obtain the thickness sheet suitable with finished product half into
Product II；
（5）By step（4）Obtained sheet semi-finished product II carry out vulcanization reaction；Carry out blocking again after the completion of vulcanization reaction and in rolls
Produce fireproof rubber floor finished product.
It is preferred that, the step（1）With（2）In, temperature of charge is between 95 DEG C to 105 DEG C during banburying.
It is preferred that, the step（5）Middle vulcanization reaction control temperature be 130 ~ 200 DEG C, the vulcanization reaction time be 5 ~
20min。
The beneficial effects of the invention are as follows the composition for the reduction rubber smoke density that the present invention is provided can effectively reduce rubber
Smoke density（It is shown in Table 1）；Environment-friendly materials are applied in the fireproof rubber floor formula that the present invention is provided, without using banned substance, combustion
Burn（Including high-temperature baking）State and normality do not produce poisonous, harmful volatilization gas, are that fire-retardant, low cigarette, nontoxic and environmental protection are green
Color product.Long product lifecycle, is naturally produced, product rejection is recyclable to be used again, is not left to environment and is difficult to administer without mould
Waste and pollution.
Embodiment
Raw materials used each embodiment is commercially available rubber industrial goods, and the wherein optional in the market of color inhibition accelerator can
The a variety of color inhibition accelerator purchased, preferably AG201 is used as color inhibition accelerator.
Embodiment 1 prepares fireproof rubber floor
Comprise the following steps that;
(1) in terms of mass parts, 80 parts of ethylene propylene diene rubber is weighed, 90 parts of magnesium hydroxide, 30 parts of white carbon, 10 parts of zinc oxide, hard
3 parts of resin acid, 2 parts of age resistor, 0.5 part of pigment, 9 parts of nano-aluminum hydroxide, 1 part of red phosphorus and reduce rubber smoke density combination
Thing：The above-mentioned raw materials weighed are placed in progress banburying 5min, thing during banburying in banbury by 40 parts of 3 parts of ammonium octamolybdate and Firebrake ZB
Material temperature degree is no more than 100 DEG C；
（2）In terms of mass parts, 4 parts of color inhibition accelerant A G201 and 0.5 part of sulphur are weighed, are added in banbury, continue banburying
2min, temperature of charge is no more than 100 DEG C during banburying；
（3）Step will be passed through（2）The material obtained after banburying gradually cool in mixing 15min, mixing process, until mixing
At the end of temperature be reduced to 50 ~ 60 DEG C and obtain sheet semi-finished product I；
（4）By step（3）Obtained sheet semi-finished product I are extruded and rolled, obtain the thickness sheet suitable with finished product half into
Product II；
（5）By step（4）Obtained sheet semi-finished product II carry out vulcanization reaction；Vulcanization reaction controls temperature to be 130 ~ 200 DEG C, sulphur
The change reaction time is 15min；Carry out blocking again after the completion of vulcanization reaction and produce fireproof rubber floor finished product in rolls.
Embodiment 2 prepares fireproof rubber floor
Comprise the following steps that;
(1) in terms of mass parts, 120 parts of ethylene propylene diene rubber is weighed, 60 parts of magnesium hydroxide, 70 parts of white carbon, 3 parts of zinc oxide, hard
1 part of resin acid, 4 parts of age resistor, 2 parts of pigment, 27 parts of nano-aluminum hydroxide, 3 parts of red phosphorus and reduce rubber smoke density composition：
The above-mentioned raw materials weighed are placed in progress banburying 5min, material temperature during banburying in banbury by 20 parts of 7 parts of ammonium octamolybdate and Firebrake ZB
Degree is no more than 100 DEG C；
（2）In terms of mass parts, 6 parts of color inhibition accelerant A G201 and 2 parts of sulphur are weighed, are added in banbury, continue banburying
5min, temperature of charge is no more than 100 DEG C during banburying；
Following steps（3）~（5）It is same as Example 1, fireproof rubber floor finished product is made.
The rubber floor covering of comparative example 1 ~ 2
The rubber floor covering formula of comparative example 1 and the difference of embodiment 1 are：Ammonium octamolybdate and Firebrake ZB is not used, remaining into
Divide and consumption is same as Example 1；The preparation method of the rubber floor covering of comparative example 1 is same as Example 1.
The rubber floor covering formula of comparative example 2 and the difference of embodiment 2 are：Ammonium octamolybdate and Firebrake ZB is not used, its
Remaining composition and consumption are same as Example 2；The preparation method of the rubber floor covering of comparative example 2 is same as Example 2.
Test example 1：Combustibility is reported
The test basis GB8624-2012 of combustibility《Construction material and product burns grading performance》Standard is carried out.Detection knot
Fruit is shown in Table 1.
Table 1
| Inspection project | Embodiment 1 | Embodiment 2 | Comparative example 1 | Comparative example 2 |
| Smoke-producing amount | 99%×min | 97%×min | 117%×min | 121%×min |
| Flue gas toxity | Reach two grades of AQ of safety2Level | Reach two grades of AQ of safety2Level | Reach two grades of ZA of quasi- safety2Level | Reach two grades of ZA of quasi- safety2Level |
From table 1, the smoke-producing amount and flue gas toxity of fireproof rubber floor of the invention are superior to reduction rubber cigarette is not used close
The comparative example of composition is spent, it was demonstrated that reduction rubber smoke density composition can overcome the shortcoming of existing halogen containing flame-retardant, for resistance
Rubber floor covering is fired more environmentally friendly there is provided beneficial technical support, with broad mass market prospect.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (9)
1. a kind of reduce the composition of rubber smoke density, it is characterised in that in terms of mass parts, by 3 ~ 10 parts of ammonium octamolybdate and boric acid
15~40 parts of compositions of zinc.
2. the composition of rubber smoke density is reduced as claimed in claim 1, it is characterised in that the reduction rubber smoke density
Composition is made up of in terms of mass parts 20~40 parts of 3 ~ 7 parts of ammonium octamolybdate and Firebrake ZB.
3. the composition of rubber smoke density is reduced as claimed in claim 1, it is characterised in that the reduction rubber smoke density
Composition is made up of in terms of mass parts 20~30 parts of 4 ~ 7 parts of ammonium octamolybdate and Firebrake ZB.
4. a kind of fireproof rubber floor, it is characterised in that in terms of mass parts, by 80 ~ 120 parts of rubber, 30~70 parts of white carbon, sulphur
0.5~2 part of sulphur, 3~10 parts of zinc oxide, 1~3 part of stearic acid, 4~6 parts of color inhibition accelerator, 2~4 parts of age resistor, pigment 0.5
~ 2 parts, 60~100 parts of magnesium hydroxide, 9~27 parts of nano-aluminum hydroxide, 1 ~ 3 part of red phosphorus and reduce rubber smoke density combination
Thing：15~40 parts of compositions of 3 ~ 10 parts of ammonium octamolybdate and Firebrake ZB.
5. fireproof rubber floor as claimed in claim 4, it is characterised in that in terms of mass parts, by 80 ~ 120 parts of rubber, hard charcoal
Black 30~70 parts, 0.5~2 part of sulphur, 3~10 parts of zinc oxide, 1~3 part of stearic acid, 4~6 parts of color inhibition accelerator, age resistor 2
~4 parts, 0.5 ~ 2 part of pigment, 60~90 parts of magnesium hydroxide, 9~27 parts of nano-aluminum hydroxide, 1 ~ 3 part of red phosphorus and reduction rubber
The composition of smoke density：20~40 parts of compositions of 3 ~ 7 parts of ammonium octamolybdate and Firebrake ZB.
6. fireproof rubber floor as claimed in claim 5, it is characterised in that in terms of mass parts, by 80 ~ 120 parts of rubber, hard charcoal
Black 30~70 parts, 0.5~2 part of sulphur, 3~10 parts of zinc oxide, 1~3 part of stearic acid, 4~6 parts of color inhibition accelerator, age resistor 2
~4 parts, 0.5 ~ 2 part of pigment, 60~80 parts of magnesium hydroxide, 9~27 parts of nano-aluminum hydroxide, 1 ~ 3 part of red phosphorus and reduction rubber
The composition of smoke density：20~30 parts of compositions of 4 ~ 7 parts of ammonium octamolybdate and Firebrake ZB.
7. a kind of preparation method of fireproof rubber floor as described in one of claim 4 ~ 6, is comprised the following steps that：
（1）The proportioning of fireproof rubber floor as described in one of claim 4 ~ 6 weighs rubber, white carbon, zinc oxide, tristearin
Acid, age resistor, magnesium hydroxide, nano-aluminum hydroxide, red phosphorus, pigment and reduce the proportioning of composition of rubber smoke density and weigh
The above-mentioned raw materials weighed are placed in banbury progress 5 ~ 15min of banburying by ammonium octamolybdate, Firebrake ZB, and temperature of charge is not during banburying
More than 105 DEG C；
（2）The proportioning of fireproof rubber floor as described in one of claim 4 ~ 6 weighs sulphur and color inhibition accelerator, adds close
Continue 1 ~ 5min of banburying in mill, temperature of charge is no more than 105 DEG C during banburying；
（3）Step will be passed through（2）The material that banburying is obtained gradually cool in 3 ~ 10min of mixing, mixing process, until mixing
At the end of temperature be reduced to 50 ~ 60 DEG C and obtain sheet semi-finished product I；
（4）By step（3）Obtained sheet semi-finished product I are extruded and rolled, obtain the thickness sheet suitable with finished product half into
Product II；
（5）By step（4）Obtained sheet semi-finished product II carry out vulcanization reaction；Carry out blocking again after the completion of vulcanization reaction and in rolls
Produce fireproof rubber floor finished product.
8. the preparation method of fireproof rubber floor as claimed in claim 7, it is characterised in that the step（1）With（2）In it is close
Temperature of charge is between 95 DEG C to 105 DEG C during refining.
9. the preparation method of fireproof rubber floor as claimed in claim 7, it is characterised in that the step（5）Middle vulcanization is anti-
It is 130 ~ 200 DEG C that temperature, which should be controlled, and the vulcanization reaction time is 5 ~ 20min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710278166.3A CN106987059A (en) | 2017-04-25 | 2017-04-25 | It is a kind of to reduce composition, fireproof rubber floor and the preparation method of rubber smoke density |
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| CN201710278166.3A CN106987059A (en) | 2017-04-25 | 2017-04-25 | It is a kind of to reduce composition, fireproof rubber floor and the preparation method of rubber smoke density |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054857A (en) * | 2019-03-25 | 2019-07-26 | 浙江工业大学 | A kind of ultralow smoke density rubber damping piece 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968591A (en) * | 2016-07-15 | 2016-09-28 | 株洲时代新材料科技股份有限公司 | Flame-retardant shock-absorption EPDM vulcanized rubber and preparation method thereof |
-
2017
- 2017-04-25 CN CN201710278166.3A patent/CN106987059A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968591A (en) * | 2016-07-15 | 2016-09-28 | 株洲时代新材料科技股份有限公司 | Flame-retardant shock-absorption EPDM vulcanized rubber and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110054857A (en) * | 2019-03-25 | 2019-07-26 | 浙江工业大学 | A kind of ultralow smoke density rubber damping piece and preparation method thereof |
| CN110054857B (en) * | 2019-03-25 | 2021-04-06 | 浙江工业大学 | Ultralow-smoke-density rubber damping fin 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 |
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