CN104744794A - Ceramic fire-resistant polyolefin composition and preparation method thereof - Google Patents
Ceramic fire-resistant polyolefin composition and preparation method thereof Download PDFInfo
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- 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
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- C08K3/346—Clay
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- 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
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- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
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- C08L2207/066—LDPE (radical process)
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Abstract
The invention relates to a ceramic fire-resistant polyolefin composition and a preparation method thereof. The ceramic fire-resistant polyolefin composition is prepared from the following components in parts by weight: 100 parts of polyolefin, 20-30 parts of precipitated silica, 15-25 parts of mica powder, 10-50 parts of silica powder and/or glass powder, 10-40 parts of kaolin, 0.5-1.5 parts of a silane coupling agent and 0.5-2 parts of a catalyst. The invention also provides a method for preparing the ceramic fire-resistant polyolefin composition.
Description
Technical field
The invention belongs to plastic applications, relate to a kind of ceramic polyolefine of plastic milling, more particularly, relate to a kind of ceramic flame-proof polyolefin compositions and preparation method thereof.
Background technology
Plastics have good plasticity-, snappiness, are easy to forcing machine and carry out extruding processing, and technique is simple, and production cost is low, and electrical property is good, and application widely.
But plastics have easy molten drop equally, the easy short circuit of circuit, the defect of not easily normal work, easy molten drop when especially burning in flame and power-off, can not ensure the unobstructed of circuit.
Therefore, although plastics have much excellent characteristic, as low price, excellent electrical property, there is good mechanical property etc., have very high share in market, but, still cannot provide in prior art can not easily molten drop and power-off under flame or hot environment, ensures the plastics that circuit normally runs.
Summary of the invention
Ceramic flame-proof polyolefin compositions that the invention provides a kind of novelty and preparation method thereof, thus solve the defect and problem that exist in prior art.
Present inventor finds after extensive and deep research, to burn in flame easy molten drop and power-off for existing plastics, the unobstructed defect of circuit can not be ensured, a kind of ceramic polyolefine is obtained by plastic milling, it can form stiff shell fast outward at conductor under flame or hot environment, play high-temperature insulation effect, thus ensure that circuit normally runs.Based on above-mentioned discovery, the present invention is accomplished.
On the one hand, the invention provides a kind of ceramic flame-proof polyolefin compositions, it comprises:
The polyolefine of 100 weight parts;
The precipitated silica of 20-30 weight part;
The mica powder of 15-25 weight part;
The silicon powder of 10-50 weight part and/or glass powder;
The kaolin of 10-40 weight part;
The silane coupling agent of 0.5-1.5 weight part; And
The catalyzer of 0.5-2 weight part.
In one preferred embodiment, said composition also comprises the metal hydroxides of 10-40 weight part.
Another preferred embodiment in, described metal hydroxides comprises aluminium hydroxide.
Another preferred embodiment in, described polyolefine comprises: ethane-acetic acid ethyenyl ester, polyethylene, polypropylene, polyvinyl chloride, Low Density Polyethylene and combination.
Another preferred embodiment in, described polyolefine is the mixture of the 1:1 of ethane-acetic acid ethyenyl ester and Low Density Polyethylene.
Another preferred embodiment in, described catalyzer comprises platinum catalyst.
On the other hand, the invention provides a kind of method preparing ceramic flame-proof polyolefin compositions, the method comprises the following steps:
I the polyolefine of 100 weight parts heats up to be melted by ();
(ii) in the polyolefine sizing material of fusing, following filler is added: the precipitated silica of 20-30 weight part, the mica powder of 15-25 weight part, the silicon powder of 10-50 weight part and/or glass powder, the kaolin of 10-40 weight part, the silane coupling agent of 0.5-1.5 weight part and the catalyzer of 0.5-2 weight part, and evenly mixing; And
(iii) the mixing uniform sizing material of gained is carried out granulation, and extrusion moulding.
In one preferred embodiment, the method is also included in the metal hydroxides adding 10-40 weight part in step (i i).
Another preferred embodiment in, in step (i), polyolefine is warming up to 170-190 DEG C.
Another preferred embodiment in, in step (i i), 170-190 DEG C process 30 minutes with evenly mixing.
Beneficial effect of the present invention is as follows:
Product of the present invention and method obtain and well become porcelain effect, ensure that the unobstructed of circuit, do not need the original production unit changing original production technique and the utilization of cable producer, substantially increase production efficiency, and physical and mechanical properties is excellent especially, there is good resistance to temp effect, therefore be particularly suitable as wires and cables industry scale operation, and production cost is lower.
Embodiment
ceramic flame-proof polyolefin compositions
In a first aspect of the present invention, provide a kind of ceramic flame-proof polyolefin compositions, it comprises:
Polyolefine;
Precipitated silica;
Mica powder;
Silicon powder and/or glass powder;
Kaolin;
Silane coupling agent; And
Catalyzer, and optionally,
Metal hydroxides.
polyolefine
In ceramic flame-proof polyolefin compositions of the present invention, polyolefinic content counts 100 weight parts.
In the present invention, described polyolefine comprises: ethane-acetic acid ethyenyl ester (EVA), polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), Low Density Polyethylene (LDPE) and combination thereof.
Preferably, described polyolefine is the mixture of the 1:1 of ethane-acetic acid ethyenyl ester and Low Density Polyethylene.
precipitated silica
In ceramic flame-proof polyolefin compositions of the present invention, the content of precipitated silica is 20-30 weight part, preferably 25 weight parts.
mica powder
In ceramic flame-proof polyolefin compositions of the present invention, the content of mica powder is 15-25 weight part, preferably 20 weight parts, and its order number is 2000-5000.
silicon powder and/or glass powder
In ceramic flame-proof polyolefin compositions of the present invention, the content of silicon powder and/or glass powder is 10-50 weight part.
In ceramic flame-proof polyolefin compositions of the present invention, the content of silicon powder is 10-20 weight part, preferably 15 weight parts, and its order number is 2000-5000.
In ceramic flame-proof polyolefin compositions of the present invention, the content of glass powder is 10-30 weight part, preferably 25 weight parts, and its fusing point is 500 DEG C or higher.
kaolin
In ceramic flame-proof polyolefin compositions of the present invention, kaolinic content is 10-40 weight part, preferably 20 weight parts, and its order number is 1000-2000.
silane coupling agent
In ceramic flame-proof polyolefin compositions of the present invention, the content of silane coupling agent is 0.5-1.5 weight part, preferably 1 weight part.
catalyzer
In ceramic flame-proof polyolefin compositions of the present invention, the content of catalyzer is 0.5-2 weight part, preferably 1.6 weight parts.
Preferably, described catalyzer is platinum catalyst, and its content is 2000ppm, with the total weight of described ceramic flame-proof polyolefin compositions.
metal hydroxides
In ceramic flame-proof polyolefin compositions of the present invention, metal hydroxides, if present, its content is 10-40 weight part, preferably 20 weight parts.
Preferably, described metal hydroxides is aluminium hydroxide, and its order number is 3000-5000.
the preparation of ceramic flame-proof polyolefin compositions
In a second aspect of the present invention, provide a kind of method preparing ceramic flame-proof polyolefin compositions, the method comprises the following steps:
I polyolefine heats up to be melted by ();
(ii) in the polyolefine sizing material of fusing, following filler is added: precipitated silica, mica powder, silicon powder and/or glass powder, kaolin, silane coupling agent and catalyzer, and evenly mixing; And
(iii) the mixing uniform sizing material of gained is carried out granulation, and extrusion moulding.
In the present invention, the method is also included in step (ii) and adds metal hydroxides.
Preferably, in step (i), polyolefine is warming up to 170-190 DEG C, preferably 180 DEG C.
Preferably, in step (ii), at 170-190 DEG C, preferably 180 DEG C process 30 minutes with evenly mixing.
In an illustrative embodiments, the described method preparing ceramic flame-proof polyolefin compositions comprises the following steps:
100 parts of EVA are put into kneader, temperature is raised to 170 DEG C-180 DEG C, melted; Following filler is added: first add 20-30 weight part precipitated silica in sizing material; add 15-25 parts by weight mica powder, 10-20 weight part silicon powder again; 10-30 weight part aluminium hydroxide and 20-30 parts by weight kaolin clay and 0.5-1 weight part silane coupling agent is added evenly mixing after stirring into agglomerate; again 1.2-2 weight part platinum catalyst is added; rubber compounding is even; take out after 30 minutes 170 DEG C-190 DEG C process, moved into rubber comminutor and carry out granulation, made grain extrusion moulding.
In another illustrative embodiments, the described method preparing ceramic flame-proof polyolefin compositions comprises the following steps:
100 parts of EVA are put into kneader; temperature is raised to 170 DEG C-180 DEG C; melted; following filler is added: first add 20-30 weight part precipitated silica in sizing material; add 10-20 parts by weight of glass powder again; agglomerating evenly after add 20-40 parts by weight kaolin clay, 15-25 parts by weight mica powder and 0.5-0.8 weight part silane coupling agent and 0.5-1.2 weight part platinum catalyst; again that rubber compounding is even; take out after 30 minutes 180 DEG C-190 DEG C process; moved into rubber comminutor and carried out granulation, made grain extrusion moulding.
In another illustrative embodiments, the described method preparing ceramic flame-proof polyolefin compositions comprises the following steps:
100 weight part Low Density Polyethylenes are put into kneader, temperature is raised to 170 DEG C-180 DEG C, melted, following filler is added: first add 20-30 weight part precipitated silica in sizing material, add 15-25 parts by weight mica powder and 10-20 weight part silicon powder again, evenly mixing, add 20-40 weight part aluminium hydroxide and 0.8-1.5 silane coupling agent again, 10-20 parts by weight kaolin clay is added after becoming agglomerate, mixingly evenly add 1.2-2 weight part platinum catalyst again, rubber compounding is even, take out after 30 minutes 170 DEG C-180 DEG C process, moved into rubber comminutor and carried out granulation, make grain extrusion moulding.
In another illustrative embodiments, the described method preparing ceramic flame-proof polyolefin compositions comprises the following steps:
100 weight part PVC are put into kneader, temperature is raised to 170 DEG C-190 DEG C, melted, following filler is added: first add 20-30 weight part precipitated silica in sizing material, add 15-25 parts by weight mica powder again, 10-20 weight part silicon powder, become to add again after agglomerate 20-30 parts by weight of glass powder and 15-20 parts by weight kaolin clay and 0.5-1.0 weight part silane coupling agent, mixing evenly after add 1.5-2 weight part platinum catalyst, rubber compounding is even, take out after 30 minutes 170 DEG C-190 DEG C process, moved into rubber comminutor and carried out granulation, make grain extrusion moulding.
In another illustrative embodiments, the described method preparing ceramic flame-proof polyolefin compositions comprises the following steps:
50 weight part LDPE and 50 parts of EVA are put into kneader, temperature is raised to 170 DEG C-190 DEG C, melted, following filler is added: first add 20-30 weight part precipitated silica in sizing material, add 15-25 parts by weight mica powder again, 10-20 weight part silicon powder, become to add again after agglomerate 20-30 parts by weight of glass powder and 20 parts by weight kaolin clay and 0.5-1.0 weight part silane coupling agent, mixing evenly after add 1.5-2 platinum catalyst, rubber compounding is even, take out after 30 minutes 170 DEG C-190 DEG C process, moved into rubber comminutor and carried out granulation, make grain extrusion moulding.
embodiment
The present invention is set forth further below in conjunction with specific embodiment.The following example only for explaining and the present invention being described, and does not form limitation of the scope of the invention.The test method of unreceipted actual conditions in the following example, usually conveniently condition, or according to the condition that manufacturer advises.Except as otherwise noted, all per-cent and number are by weight.
In the examples below, the following raw material deriving from following manufacturers is used:
| Raw material | Manufacturers |
| EVA | Taiwan Plastic Group |
| PVC | Taiwan Plastic Group |
| LDPE | Taiwan Plastic Group |
| Precipitated silica | Degussa |
| Mica powder (order number is 2000-5000) | Chemical industry is carried out greatly in east |
| Silicon powder (order number is 2000-5000) | German watt gram |
| Glass powder (fusing point is more than or equal to 500 DEG C) | Japan dragon is gloomy |
| Kaolin (order number is 1000-2000) | Germany BASF BASF |
| Silane coupling agent | Boiling point chemical industry |
| Aluminium hydroxide (order number is 3000-5000) | Shandong Aluminum Co., Ltd. group |
| Platinum catalyst | Orange industry and trade is built in Shanghai |
embodiment 1
Processing step:
100 parts of EVA are put into kneader, temperature is raised to 180 DEG C, melted; Following filler is added: first add 25 weight part precipitated silicas in sizing material; add 20 parts by weight mica powder, 15 weight part silicon powders again; 20 weight part aluminium hydroxides and 25 parts by weight kaolin clay and 1 weight part silane coupling agent are added evenly mixing after stirring into agglomerate; again 1.6 weight part platinum catalysts are added; rubber compounding is even; take out after 30 minutes 180 DEG C of process, moved into rubber comminutor and carry out granulation, made grain extrusion moulding.
Technique effect:
The sizing material of gained has good processing characteristics, is easy to use, and flexibility is good, environmental protection, and during burning, smoke density is little.This sizing material can burn crust in 500 DEG C of-950 DEG C of flames, and not easily molten drop, can keep the normal power-up of conductor.Its physicals is as shown in table 1 below:
Table 1
embodiment 2
Processing step:
100 parts of EVA are put into kneader; temperature is raised to 180 DEG C; melted; in sizing material, add following filler: first add 25 weight part precipitated silicas, then add 15 parts by weight of glass powder, agglomerating evenly after add 30 parts by weight kaolin clay, 20 parts by weight mica powder and 0.7 weight part silane coupling agent and 0.8 weight part platinum catalyst; again that rubber compounding is even; take out after 30 minutes 180 DEG C of process, moved into rubber comminutor and carry out granulation, made grain extrusion moulding.
Technique effect:
The sizing material proportion of gained is less, and the processing characteristics of sizing material is better, and be easy to process for processing, during burning, smoke density is less, environmental protection.This sizing material, by combustion test, sinters porcelain into, not easily molten drop, and can guarantee conductor normal power-up in the flame of 500-950 DEG C of temperature.Its physicals is as shown in table 2 below:
Table 2
embodiment 3
Processing step:
100 weight part Low Density Polyethylenes are put into kneader; temperature is raised to 180 DEG C; melted; following filler is added: first add 25 weight part precipitated silicas in sizing material; add 20 parts by weight mica powder and 15 weight part silicon powders again; evenly mixing; add 30 weight part aluminium hydroxides and 1.2 silane coupling agents again; 15 parts by weight kaolin clay are added after becoming agglomerate; mixingly evenly add 1.7 weight part platinum catalysts again, rubber compounding is even, take out after 30 minutes 180 DEG C of process; moved into rubber comminutor and carried out granulation, made grain extrusion moulding.
Technique effect:
The sizing material of gained can burn into porcelain, not easily molten drop in 500 DEG C of-950 DEG C of flames, can keep the normal power-up of conductor.Its physicals is as shown in table 3 below:
Table 3
embodiment 4
Processing step:
100 weight part PVC are put into kneader; temperature is raised to 180 DEG C; melted; following filler is added: first add 25 weight part precipitated silica in sizing material; add 20 parts by weight mica powder, 15 weight part silicon powders again; become to add again after agglomerate 25 parts by weight of glass powder and 17 parts by weight kaolin clay and 0.7 weight part silane coupling agent; mixing evenly after add 1.7 weight part platinum catalysts; rubber compounding is even; take out after 30 minutes 180 DEG C of process; moved into rubber comminutor and carried out granulation, made grain extrusion moulding.
Technique effect:
The sizing material of gained has well processing and use properties.This sizing material can burn into porcelain in 500 DEG C of-950 DEG C of flames, and not easily molten drop can keep the normal power-up of conductor.Its physicals is as shown in table 4 below:
Table 4
embodiment 5
Processing step:
50 weight part LDPE and 50 parts of EVA are put into kneader; temperature is raised to 180 DEG C; melted; following filler is added: first add 25 weight part precipitated silica in sizing material; add 20 parts by weight mica powder, 15 weight part silicon powders again; become to add again after agglomerate 25 parts by weight of glass powder and 20 parts by weight kaolin clay and 0.7 weight part silane coupling agent; mixing evenly after add 1.7 platinum catalysts; rubber compounding is even; take out after 30 minutes 180 DEG C of process; moved into rubber comminutor and carried out granulation, made grain extrusion moulding.
Technique effect:
By blended for two kinds of rubbers, namely to press 1:1 mixing for LDPE and EVA, and rubber unvulcanizate has good processing characteristics relative to the rubber unvulcanizate of the mixing gained of LDPE, and the obtained cable of sizing material has good softness, easy to use.This sizing material can burn into porcelain in 500 DEG C of-950 DEG C of flames, and not easily molten drop can keep the normal power-up of conductor.Its physicals is as shown in table 5 below:
Table 5
The all documents mentioned in the present invention are quoted as a reference all in this application, are just quoted separately as a reference as each section of document.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read foregoing of the present invention, these equivalent changes fall within the application's appended claims limited range equally.
Claims (10)
1. a ceramic flame-proof polyolefin compositions, it comprises:
The polyolefine of 100 weight parts;
The precipitated silica of 20-30 weight part;
The mica powder of 15-25 weight part;
The silicon powder of 10-50 weight part and/or glass powder;
The kaolin of 10-40 weight part;
The silane coupling agent of 0.5-1.5 weight part; And
The catalyzer of 0.5-2 weight part.
2. composition as claimed in claim 1, it is characterized in that, it also comprises the metal hydroxides of 10-40 weight part.
3. composition as claimed in claim 2, it is characterized in that, described metal hydroxides comprises aluminium hydroxide.
4. the composition according to any one of claim 1-3, is characterized in that, described polyolefine comprises: ethane-acetic acid ethyenyl ester, polyethylene, polypropylene, polyvinyl chloride, Low Density Polyethylene and combination thereof.
5. composition as claimed in claim 4, it is characterized in that, described polyolefine is the mixture of the 1:1 of ethane-acetic acid ethyenyl ester and Low Density Polyethylene.
6. the composition according to any one of claim 1-3, is characterized in that, described catalyzer comprises platinum catalyst.
7. prepare a method for ceramic flame-proof polyolefin compositions, the method comprises the following steps:
I the polyolefine of 100 weight parts heats up to be melted by ();
(ii) in the polyolefine sizing material of fusing, following filler is added: the precipitated silica of 20-30 weight part, the mica powder of 15-25 weight part, the silicon powder of 10-50 weight part and/or glass powder, the kaolin of 10-40 weight part, the silane coupling agent of 0.5-1.5 weight part and the catalyzer of 0.5-2 weight part, and evenly mixing; And
(iii) the mixing uniform sizing material of gained is carried out granulation, and extrusion moulding.
8. method as claimed in claim 7, it is characterized in that, the method is also included in the metal hydroxides adding 10-40 weight part in step (ii).
9. method as claimed in claim 7 or 8, is characterized in that, in step (i), polyolefine is warming up to 170-190 DEG C.
10. method as claimed in claim 7 or 8, is characterized in that, in step (ii), processes 30 minutes with evenly mixing at 170-190 DEG C.
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| CN109705490A (en) * | 2018-11-30 | 2019-05-03 | 东莞市兄奕塑胶制品有限公司 | A kind of ceramic PVC edge band and preparation method thereof |
| CN109721811A (en) * | 2018-12-29 | 2019-05-07 | 惠州市安品新材料有限公司 | A kind of polyolefin cable material and preparation method thereof |
| CN109762237A (en) * | 2018-12-24 | 2019-05-17 | 深圳市安品有机硅材料有限公司 | It can ceramic fire-resistant polyolefin material |
| CN109776989A (en) * | 2017-11-13 | 2019-05-21 | 佛山市粤佳信电线电缆有限公司 | A kind of ceramic PVC material and preparation method |
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| CN105131416A (en) * | 2015-09-25 | 2015-12-09 | 中广核三角洲（苏州）高聚物有限公司 | Low-smoke zero-halogen ceramic fireproof cable material and preparation method thereof |
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| CN106009140A (en) * | 2016-06-24 | 2016-10-12 | 安徽宜德电子有限公司 | Environment-friendly type ultra-hard ceramization polyolefin cable material formula |
| CN106024166A (en) * | 2016-08-08 | 2016-10-12 | 江苏亨通电力电缆有限公司 | Flexible mineral insulation fireproof cable |
| CN107272131A (en) * | 2017-08-05 | 2017-10-20 | 南京华信藤仓光通信有限公司 | A kind of flexible flame-proof cable of all dielectric |
| CN107522997A (en) * | 2017-08-29 | 2017-12-29 | 太仓天润新材料科技有限公司 | A kind of electronic material with good dielectric properties |
| CN109776989A (en) * | 2017-11-13 | 2019-05-21 | 佛山市粤佳信电线电缆有限公司 | A kind of ceramic PVC material and preparation method |
| CN109705490A (en) * | 2018-11-30 | 2019-05-03 | 东莞市兄奕塑胶制品有限公司 | A kind of ceramic PVC edge band and preparation method thereof |
| CN109679196A (en) * | 2018-12-24 | 2019-04-26 | 深圳市安品有机硅材料有限公司 | A kind of preparation method of ceramic fireproof polyolefin |
| CN109762237A (en) * | 2018-12-24 | 2019-05-17 | 深圳市安品有机硅材料有限公司 | It can ceramic fire-resistant polyolefin material |
| CN109705447A (en) * | 2018-12-27 | 2019-05-03 | 苏州安品新材料科技有限公司 | Fire-resistant polyolefin rubber and preparation method thereof |
| CN109721811A (en) * | 2018-12-29 | 2019-05-07 | 惠州市安品新材料有限公司 | A kind of polyolefin cable material and preparation method thereof |
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