CN104592571A - Flame-retardant natural rubber for cable and preparation method thereof - Google Patents
Flame-retardant natural rubber for cable and preparation method thereof Download PDFInfo
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- CN104592571A CN104592571A CN201510012624.XA CN201510012624A CN104592571A CN 104592571 A CN104592571 A CN 104592571A CN 201510012624 A CN201510012624 A CN 201510012624A CN 104592571 A CN104592571 A CN 104592571A
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- natural rubber
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 69
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 244000043261 Hevea brasiliensis Species 0.000 title claims abstract description 59
- 229920003052 natural elastomer Polymers 0.000 title claims abstract description 59
- 229920001194 natural rubber Polymers 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229920001971 elastomer Polymers 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 229910001593 boehmite Inorganic materials 0.000 claims abstract description 11
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims abstract description 11
- QWDJLDTYWNBUKE-UHFFFAOYSA-L magnesium bicarbonate Chemical compound [Mg+2].OC([O-])=O.OC([O-])=O QWDJLDTYWNBUKE-UHFFFAOYSA-L 0.000 claims abstract description 11
- 229910000022 magnesium bicarbonate Inorganic materials 0.000 claims abstract description 11
- 235000014824 magnesium bicarbonate Nutrition 0.000 claims abstract description 11
- 239000002370 magnesium bicarbonate Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 17
- 238000004073 vulcanization Methods 0.000 claims description 15
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 14
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 14
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 12
- -1 -tert-butyl cumene hydroperoxide Chemical compound 0.000 claims description 11
- 235000010290 biphenyl Nutrition 0.000 claims description 9
- 239000004305 biphenyl Substances 0.000 claims description 9
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 9
- 238000005987 sulfurization reaction Methods 0.000 claims description 9
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 7
- 230000008774 maternal effect Effects 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- XMNDMAQKWSQVOV-UHFFFAOYSA-N (2-methylphenyl) diphenyl phosphate Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 XMNDMAQKWSQVOV-UHFFFAOYSA-N 0.000 abstract 1
- QKUNKVYPGIOQNP-UHFFFAOYSA-N 4,8,11,14,17,21-hexachlorotetracosane Chemical compound CCCC(Cl)CCCC(Cl)CCC(Cl)CCC(Cl)CCC(Cl)CCCC(Cl)CCC QKUNKVYPGIOQNP-UHFFFAOYSA-N 0.000 abstract 1
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 abstract 1
- 235000015393 sodium molybdate Nutrition 0.000 abstract 1
- 239000011684 sodium molybdate Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a flame-retardant natural rubber for a cable and a preparation method thereof. The preparation method comprises the following steps: a, mixing natural rubber, cresol diphenyl phosphate, chlorcosane, magnesium bicarbonate, decabromodiphenyl ether, boehmite and sodium molybdate to obtain master rubber; b, mixing a vulcanizing agent with the master rubber and vulcanizing for the first time; and c, vulcanizing the master rubber vulcanized for the first time in an oven for the second time so as to obtain the flame-retardant natural rubber for the cable. The flame-retardant natural rubber for the cable prepared by using the method has excellent flame resistance.
Description
Technical field
The present invention relates to rubber, particularly, relate to a kind of cable Flame-retardant natural rubber.
Background technology
The buffer layer of cable is made up of rubber mostly, and existing cushion rubber layer only can play shock absorption, and when accident is on fire, rubber then can at high temperature be decomposed into flammable lower-molecular substance.Flammable lower-molecular substance carries out violent oxidizing reaction with oxygen with then interrogating speed, oxidizing reaction releases the decomposition that a large amount of heat then can promote rubber further, and resultant such as low mass molecule alcohol, aldehyde in simultaneous oxidation reaction also can carry out oxidizing reaction until rubber burnouts with oxygen.
Summary of the invention
The object of this invention is to provide a kind of cable Flame-retardant natural rubber and preparation method thereof, the cable Flame-retardant natural rubber obtained by the method has excellent flame retardant resistance.
To achieve these goals, the invention provides a kind of preparation method of cable Flame-retardant natural rubber, described preparation method comprises:
A, by natural rubber, cresyl diphenyl phosphoester, clorafin, Magnesium hydrogen carbonate, decabromodiphynly oxide, boehmite with Sodium orthomolybdate is mixing makes rubber master batch;
B, by vulcanizing agent and described milling maternal rubber to carry out primary vulcanization process;
C, the described rubber master batch after primary vulcanization is carried out second time sulfuration in an oven to make cable Flame-retardant natural rubber.
Present invention also offers and additionally provide a kind of cable Flame-retardant natural rubber, described cable Flame-retardant natural rubber is prepared from by above-mentioned method.
Pass through technique scheme, cable Flame-retardant natural rubber provided by the invention, by the synergy of natural rubber, cresyl diphenyl phosphoester, clorafin, Magnesium hydrogen carbonate, decabromodiphynly oxide, boehmite, vulcanizing agent and Sodium orthomolybdate, makes this cable Flame-retardant natural rubber can interrogate when burning to decompose water outlet, fire-retardant gas (as carbonic acid gas) fastly, to form sintering at rubber surface fast and generate halogen radical thus effectively stop the carrying out of combustion reactions.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of cable Flame-retardant natural rubber, described preparation method comprises:
A, by natural rubber, cresyl diphenyl phosphoester, clorafin, Magnesium hydrogen carbonate, decabromodiphynly oxide, boehmite with Sodium orthomolybdate is mixing makes rubber master batch;
B, by vulcanizing agent and described milling maternal rubber to carry out primary vulcanization process;
C, the described rubber master batch after primary vulcanization is carried out second time sulfuration in an oven to make cable Flame-retardant natural rubber.
In step a of the present invention, the consumption of each raw material can be selected in wide scope, but in order to make the cable Flame-retardant natural rubber obtained, there is more excellent flame retardant resistance, preferably, in step a, relative to the described natural rubber of 100 weight parts, the consumption of described cresyl diphenyl phosphoester is 130-150 weight part, the consumption of described clorafin is 3-7 weight part, the consumption of described Magnesium hydrogen carbonate is 35-55 weight part, the consumption of described decabromodiphynly oxide is 4-8 weight part, the consumption of described boehmite is 7-10 weight part, the consumption of described Sodium orthomolybdate is 0.3-1.2 weight part.
In step b of the present invention, the consumption of each raw material can be selected in wide scope, but in order to make the cable Flame-retardant natural rubber obtained, there is more excellent flame retardant resistance, preferably, in stepb, relative to the described rubber master batch of 100 weight parts, the consumption of described vulcanizing agent is 0.2-0.8 weight part.
In the present invention, described clorafin can be one-component also can be that various ingredients mixes, but in order to make the cable Flame-retardant natural rubber obtained have more excellent flame retardant resistance, preferably, described clorafin is selected from clorafin-50 and chlorinated paraffin-70.Have more excellent flame retardant resistance to improve obtained cable Flame-retardant natural rubber further, more preferably, described clorafin-50 is 1:1.5-2 with the weight ratio of described chlorinated paraffin-70.
In the present invention, the concrete component of described vulcanizing agent can be selected in wide scope, but in order to make the cable Flame-retardant natural rubber obtained, there is more excellent flame retardant resistance, preferably, described vulcanizing agent be selected from dual-tert-butyl cumene hydroperoxide, dicumyl peroxide, benzoyl peroxide and 2,4-dichloride benzoyl peroxide one or more.In order to improve obtained cable Flame-retardant natural rubber further, there is more excellent flame retardant resistance, more preferably, described vulcanizing agent contains described dual-tert-butyl cumene hydroperoxide, dicumyl peroxide, benzoyl peroxide and 2,4-dichloride benzoyl peroxide; And, relative to the described dual-tert-butyl cumene hydroperoxide of 1 weight part, the consumption of described dicumyl peroxide is 0.5-0.6 weight part, and the consumption of described benzoyl peroxide is 0.1-0.2 weight part, the consumption of described 2,4-dichloride benzoyl peroxides is 0.2-0.4 weight part.
In the present invention, the actual conditions of primary vulcanization can be selected in wide scope, but in order to make the cable Flame-retardant natural rubber obtained, there is more excellent flame retardant resistance, preferably, described primary vulcanization meets the following conditions: curing temperature is 120-170 DEG C, curing time is 15-20min, and sulfide stress is 10-12Mpa.
In the present invention, the actual conditions of second time sulfuration can be selected in wide scope, but in order to make the cable Flame-retardant natural rubber obtained have more excellent flame retardant resistance, preferably, described second time sulfuration meets the following conditions: curing temperature is 210-220 DEG C, and curing time is 3-5h.
Present invention also offers a kind of cable Flame-retardant natural rubber, described cable Flame-retardant natural rubber is prepared from by above-mentioned method.
Below will be described the present invention by embodiment.In following examples, self-extinguishing time parameter is recorded by the method for UL-94, and oxygen index parameter is recorded by the method for GB/T10707-89.
Embodiment 1
A, by the trade mark be SVR-3L natural rubber 100kg, cresyl diphenyl phosphoester 140kg, 5kg clorafin-50, Magnesium hydrogen carbonate 45kg, decabromodiphynly oxide 6kg, boehmite 9kg and Sodium orthomolybdate 0.8kg is mixing makes rubber master batch;
B, under 150 DEG C and 11Mpa, dual-tert-butyl cumene hydroperoxide 0.5kg and the mixing 17min of above-mentioned rubber master batch 100kg is carried out primary vulcanization process;
C, at 215 DEG C, the described rubber master batch after primary vulcanization is carried out in an oven second time sulfuration 4h to make cable Flame-retardant natural rubber A1.
The flame retardant properties parameter of this cable Flame-retardant natural rubber is in table 1.
Embodiment 2
A, by the trade mark be SVR-3L natural rubber 100kg, cresyl diphenyl phosphoester 150kg, 7kg clorafin-50, Magnesium hydrogen carbonate 55kg, decabromodiphynly oxide 8kg, boehmite 10kg and Sodium orthomolybdate 1.2kg is mixing makes rubber master batch;
B, under 170 DEG C and 12Mpa, dual-tert-butyl cumene hydroperoxide 0.8kg and the mixing 20min of above-mentioned rubber master batch 100kg is carried out primary vulcanization process;
C, at 220 DEG C, the described rubber master batch after primary vulcanization is carried out in an oven second time sulfuration 5h to make cable Flame-retardant natural rubber A2.
The flame retardant properties parameter of this cable Flame-retardant natural rubber is in table 1.
Embodiment 3
A, by the trade mark be SVR-3L natural rubber 100kg, cresyl diphenyl phosphoester 130kg, 3kg clorafin-50, Magnesium hydrogen carbonate 35kg, decabromodiphynly oxide 4kg, boehmite 7kg and Sodium orthomolybdate 0.3kg is mixing makes rubber master batch;
B, under 120 DEG C and 10Mpa, dual-tert-butyl cumene hydroperoxide 0.2kg and the mixing 15min of above-mentioned rubber master batch 100kg is carried out primary vulcanization process;
C, at 210 DEG C, the described rubber master batch after primary vulcanization is carried out in an oven second time sulfuration 3h to make cable Flame-retardant natural rubber A3.
The flame retardant properties parameter of this cable Flame-retardant natural rubber is in table 1.
Embodiment 4
Obtained cable Flame-retardant natural rubber A4 is carried out according to the method for embodiment 1, unlike, clorafin-50 is changed into clorafin-50 and chlorinated paraffin-70 (weight ratio of the two is 1:1.7).The flame retardant properties parameter of this cable Flame-retardant natural rubber is in table 1.
Comparative example 5
Obtained cable Flame-retardant natural rubber A5 is carried out according to the method for embodiment 1, unlike, dual-tert-butyl cumene hydroperoxide is changed into dual-tert-butyl cumene hydroperoxide, dicumyl peroxide, benzoyl peroxide and 2,4-dichloride benzoyl peroxide (weight ratio of four is 1:0.5:0.15:0.3).The flame retardant properties parameter of this cable Flame-retardant natural rubber is in table 1.
Comparative example 1
Obtained cable Flame-retardant natural rubber B1 is carried out according to the method for embodiment 1, unlike, without clorafin.The flame retardant properties parameter of this cable Flame-retardant natural rubber is in table 1.
Comparative example 2
Obtained cable Flame-retardant natural rubber B2 is carried out according to the method for embodiment 1, unlike, without boehmite.The flame retardant properties parameter of this cable Flame-retardant natural rubber is in table 1.
Comparative example 3
Obtained cable Flame-retardant natural rubber B3 is carried out according to the method for embodiment 1, unlike, without Sodium orthomolybdate.The flame retardant properties parameter of this cable Flame-retardant natural rubber is in table 1.
Comparative example 4
Obtained cable Flame-retardant natural rubber B4 is carried out according to the method for embodiment 1, unlike, without Magnesium hydrogen carbonate.The flame retardant properties parameter of this cable Flame-retardant natural rubber is in table 1.
Table 1
| A1 | A2 | A3 | A4 | A5 | B1 | B2 | B3 | B4 | |
| Self-extinguishing time/s | 7 | 6 | 8 | 3 | 2 | 27 | 25 | 27 | 29 |
| Limiting oxygen index(LOI)/% | 23 | 24 | 27 | 29 | 31 | 16 | 18 | 20 | 15 |
From above-described embodiment and comparative example, cable Flame-retardant natural rubber provided by the invention has excellent flame retardant effect.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a preparation method for cable Flame-retardant natural rubber, is characterized in that, described preparation method comprises:
A, by natural rubber, cresyl diphenyl phosphoester, clorafin, Magnesium hydrogen carbonate, decabromodiphynly oxide, boehmite with Sodium orthomolybdate is mixing makes rubber master batch;
B, by vulcanizing agent and described milling maternal rubber to carry out primary vulcanization process;
C, the described rubber master batch after primary vulcanization is carried out second time sulfuration in an oven to make cable Flame-retardant natural rubber.
2. preparation method according to claim 1, wherein, in step a, relative to the described natural rubber of 100 weight parts, the consumption of described cresyl diphenyl phosphoester is 130-150 weight part, and the consumption of described clorafin is 3-7 weight part, the consumption of described Magnesium hydrogen carbonate is 35-55 weight part, the consumption of described decabromodiphynly oxide is 4-8 weight part, and the consumption of described boehmite is 7-10 weight part, and the consumption of described Sodium orthomolybdate is 0.3-1.2 weight part.
3. preparation method according to claim 2, wherein, in stepb, relative to the described rubber master batch of 100 weight parts, the consumption of described vulcanizing agent is 0.2-0.8 weight part.
4. preparation method according to claim 3, wherein, described clorafin is selected from clorafin-50 and chlorinated paraffin-70.
5. preparation method according to claim 4, wherein, described clorafin-50 is 1:1.5-2 with the weight ratio of described chlorinated paraffin-70.
6. preparation method according to claim 3, wherein, described vulcanizing agent be selected from dual-tert-butyl cumene hydroperoxide, dicumyl peroxide, benzoyl peroxide and 2,4-dichloride benzoyl peroxide one or more.
7. preparation method according to claim 6, wherein, described vulcanizing agent contains described dual-tert-butyl cumene hydroperoxide, dicumyl peroxide, benzoyl peroxide and 2,4-dichloride benzoyl peroxide; And, relative to the described dual-tert-butyl cumene hydroperoxide of 1 weight part, the consumption of described dicumyl peroxide is 0.5-0.6 weight part, and the consumption of described benzoyl peroxide is 0.1-0.2 weight part, the consumption of described 2,4-dichloride benzoyl peroxides is 0.2-0.4 weight part.
8. preparation method according to claim 3, wherein, described primary vulcanization meets the following conditions: curing temperature is 120-170 DEG C, and curing time is 15-20min, and sulfide stress is 10-12Mpa.
9. preparation method according to claim 3, wherein, described second time sulfuration meets the following conditions: curing temperature is 210-220 DEG C, and curing time is 3-5h.
10. a cable Flame-retardant natural rubber, is characterized in that, described cable Flame-retardant natural rubber is prepared from by the method described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012624.XA CN104592571B (en) | 2015-01-09 | 2015-01-09 | Cable Flame-retardant natural rubber and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012624.XA CN104592571B (en) | 2015-01-09 | 2015-01-09 | Cable Flame-retardant natural rubber and preparation method thereof |
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| CN104592571A true CN104592571A (en) | 2015-05-06 |
| CN104592571B CN104592571B (en) | 2016-08-24 |
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| CN108727649A (en) * | 2018-06-15 | 2018-11-02 | 南通智达光缆材料有限公司 | Cable Flame-retardant natural rubber and preparation method thereof |
| CN109705411A (en) * | 2019-01-04 | 2019-05-03 | 优矿塑新材料科技(芜湖)有限公司 | A kind of flame retardant rubber master batch |
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| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108727649A (en) * | 2018-06-15 | 2018-11-02 | 南通智达光缆材料有限公司 | Cable Flame-retardant natural rubber and preparation method thereof |
| CN109705411A (en) * | 2019-01-04 | 2019-05-03 | 优矿塑新材料科技(芜湖)有限公司 | A kind of flame retardant rubber master batch |
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| Publication number | Publication date |
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| CN104592571B (en) | 2016-08-24 |
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