CN107603265A - A kind of 90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials and preparation method thereof - Google Patents
A kind of 90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of 90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials and preparation method thereof, the CABLE MATERIALS is made up of following parts by weight component：70~90 parts of regenerative low-smoke halogen-free cable material particles, 10~20 parts of EVM, 3~8 parts of HDPE, 10~15 parts of nano silicates, 10~15 parts of hydrotalcites, 5~10 parts of nano-aluminum hydroxides, 5~10 parts of modifying agent, 5~8 parts of compatilizers, 0.6~0.8 part of antioxidant, 1.5~2 parts of lubricants, 2~3 parts of black masterbatch.90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials of one kind of the present invention, the basic performance of product can be up to state standards, and the flame retardant rating of product can reach the V0 level standards in U.S.'s UL94 standards, have very strong practical value；Innovative mix the waste and old cable skin of different performance by a certain percentage is granulated again, obtain the considerable raising of properties, the auxiliary flame retardants such as hydrotalcite, nano silicate are used cooperatively as main flame retardant simultaneously, obtain higher fire-retardant, suppression cigarette, self-extinguishment.
Description
Technical field
The invention belongs to CABLE MATERIALS technical field, and in particular to a kind of 90 DEG C of high fire-retardance regenerative low-smoke halogen-free fire retardant polyolefins
CABLE MATERIALS and preparation method thereof.
Background technology
Existing regeneration fire-resistant cable material is usually compound new with the plastic pellet being processed into using single cable skin
Resin, fire retardant etc. are raw material, and the regeneration CABLE MATERIALS prepared disclosure satisfy that the requirement in CABLE MATERIALS performance substantially, but exist
Combustibility poor (dropping performance), the shortcomings that flame retardant rating is low, self-extinguishment is poor, smoke density is unstable.
The content of the invention
Goal of the invention：For the deficiencies in the prior art, it is an object of the invention to provide a kind of 90 DEG C of high fire-retardances
Regenerative low-smoke halogen-free flame-proof polyolefine cable material, the fire resistance of product can reach the V0 grades in U.S.'s UL94 standards, together
When the far super like product of mechanical property.Meanwhile using nano silicate and hydrotalcite, the cooperation of aluminium hydroxide, by the cigarette of product
Density (nonflame) is basically stable at 200, and self-extinguishment ensures in 10s to extinguish after catching fire.It is a further object of the present invention to provide one
The preparation method of the above-mentioned 90 DEG C of high fire-retardances regenerative low-smoke halogen-free flame-proof polyolefine cable material of kind.
In order to realize foregoing invention purpose, the technical solution adopted by the present invention is：
A kind of 90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials, are made up of following parts by weight component：70
~90 parts of regenerative low-smoke halogen-free cable material particles, 10~20 parts of EVM, 3~8 parts of HDPE, 10~15 parts of nano silicates, 10~15
Part hydrotalcite, 5~10 parts of nano-aluminum hydroxides, 5~10 parts of modifying agent, 5~8 parts of compatilizers, 0.6~0.8 part of antioxidant, 1.5
~2 parts of lubricants, 2~3 parts of black masterbatch.
90 DEG C of described high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials, preferably by following parts by weight component group
Into：75~85 parts of regenerative low-smoke halogen-free cable material particles, 10~15 parts of EVM, 6~8 parts of HDPE, 12~14 parts of nano silicates,
10~12 parts of hydrotalcites, 5~8 parts of nano-aluminum hydroxides, 9 parts of modifying agent, 8 parts of compatilizers, 0.7 part of antioxidant, 1.8 parts of lubrications
Agent, 3 parts of black masterbatch.
Preferably, described EVM is VA content >=45%, and for the bright Sheng 500HV of Germany, described HDPE is Exxon Mobil
HYA-600, described regenerative low-smoke halogen-free cable material particle is the waste and old low smoke and zero halogen plastic grain of recovery, by originating from Japan
Waste and old elastomer cable skin is with originating from the cracking resistance low-smoke halogen-free cable skin of Saudi Arabia according to 2:3 proportions are process.
Preferably, described nano silicate is nano imvite (OMMT).
Preferably, described compatilizer is maleic anhydride grafted ethene vinylacetate, maleic anhydride grafted ethene-octene
One or both of copolymer, the shore A of hardness≤85, grafting rate >=35%.
Preferably, described antioxidant is 2,6- di-tert-butyl-4-methy phenols.
Preferably, described lubricant is 0.4~0.6 part of EVA wax and 1~1.5 part of silicone master batch composition.
Preferably, described modifying agent is multi-polysiloxane, and producing need to be with LLDPE for DOW CORNING 11-100, multi-polysiloxane
Powder adds for carrier, and siloxanes is 1 with LLDPE powder proportions:2, LLDPE powder are that to originate from the trade mark of sinopec be 7042
LLDPE.
A kind of preparation method of 90 DEG C of high fire-retardances regenerative low-smoke halogen-free flame-proof polyolefine cable material, including drying, banburying, squeeze
Go out, be granulated and packaging process；Characterized in that, regenerative low-smoke halogen-free cable material particle is by originating from Japanese waste and old elastomer cable
Skin is with originating from the cracking resistance low-smoke halogen-free cable skin of Saudi Arabia according to 2:3 proportions are process；In banburying process：By material
Put into banbury stir 3 minutes it is well mixed, start banburying of pressurizeing, respectively turned over once at 120 DEG C, 135 DEG C, 145 DEG C, 155 DEG C put
Material, into co-extrusion process；The parameter of extrusion molding process is：200~210r/min of engine speed, 48~50Hz of feeding frequency, single spiral shell
Bar 22 ± 3Hz of frequency, 20~25r/min of pelletizing speed；The temperature of extrusion molding process is：One 100 DEG C of area, two 105 DEG C of areas, 3rd area
115 DEG C, four 120 DEG C of areas, five 125 DEG C of areas, six 130 DEG C of areas, seven 135 DEG C of areas, eight 140 DEG C of areas, nine 145 DEG C of areas, ten 150 DEG C of areas,
11 150 DEG C of areas, 145 DEG C of head.Extrusion molding process selects twin-screw main frame, model SDJ-75/180, originates from the sincere alliance's dress in Jiangsu
Standby limited company.
Beneficial effect：Compared with prior art, high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable material of the invention and
Its preparation method, the fire resistance of product can reach the V0 grades in U.S.'s UL94 standards, while be also equipped with remote super existing
Self-extinguishment, anti-dripping melt and the excellent low smoke performance of reworked material (newest smoke density standard is≤350, this product 200).Through
Three kinds of modified inorganic combustion inhibitors are crossed to compound so that the fire resistance of the CABLE MATERIALS greatly improves.Meanwhile made using EVM, HDPE
For functional resin, using EVM flexibility and strand pardon and HDPE high intensity, solve a variety of different performance cable skins
Consistency problem, improve system intensity, reached the target of the performance improvement to regenerated plastics particle.
Embodiment
With reference to specific embodiment, the present invention is further illustrated.
Embodiment 1
A kind of 90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials, the parts by weight composition such as table 1 of each composition
It is shown.
The composition of 1 90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials of table
Wherein, EVM is the bright Sheng EVM of Germany, and the trade mark is that second Warburg Pincus 500HV, HDPE are sinopec DH050T, nano silicate
For nano imvite (OMMT), compatilizer is maleic anhydride grafted ethene vinylacetate, maleic anhydride grafted ethene-octene is common
One or both of polymers, the shore A of hardness≤85, grafting rate >=35%, antioxidant are primary antioxidant 2,6- di-t-butyls -4-
Methylphenol and auxiliary antioxidant dilauryl thiodipropionate, lubricant are 0.4~0.6 part of EVA wax and 1~1.5 part of silicone
Master batch forms, and modifying agent is multi-polysiloxane.
In above-mentioned formula, the ratio of a variety of flame resistant filler materials of each product is different, causes the difference in performance.
The preparation method of 90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials, including drying, banburying, squeeze
Go out, be granulated and packaging process；Characterized in that, regenerative low-smoke halogen-free cable material particle is by originating from Japanese waste and old elastomer cable
Skin is with originating from the cracking resistance low-smoke halogen-free cable skin of Saudi Arabia according to 2:3 proportions are process；In banburying process：By material
Put into banbury stir 3 minutes it is well mixed, start banburying of pressurizeing, respectively turned over once at 120 DEG C, 135 DEG C, 145 DEG C, 155 DEG C put
Material, into co-extrusion process；The parameter of extrusion molding process is：200~210r/min of engine speed, 48~50Hz of feeding frequency, single spiral shell
Bar 22 ± 3Hz of frequency, 20~25r/min of pelletizing speed；The temperature of extrusion molding process is：One 100 DEG C of area, two 105 DEG C of areas, 3rd area
115 DEG C, four 120 DEG C of areas, five 125 DEG C of areas, six 130 DEG C of areas, seven 135 DEG C of areas, eight 140 DEG C of areas, nine 145 DEG C of areas, ten 150 DEG C of areas,
11 150 DEG C of areas, 145 DEG C of head (note：Each area's temperature allows ± 5 DEG C of fluctuations).Extrusion molding process selects twin-screw main frame, model
SDJ-75/180, originate from the sincere alliance's equipment limited company in Jiangsu.
Using traditional test methods, one in optional products 1-4 and two contrast products carry out performance tests, are obtained
The specific data obtained are as shown in table 2.
Method of testing is all tested according to national standard GB/T 32129-2015 requirements.
The test result of table 2
Wherein, tensile strength rate of change, elongation at break rate of change are surveyed under the conditions of 100 DEG C × 168h of air heat ageing
It is fixed.
From the data of table 2, the basic performance of the product can be up to state standards, and the elongation at break of product, draw
Stretch intensity far above standard and be in a poised state, flame retardant rating reaches V0 grades in UL94 standards, anti-dripping melt and
The performances such as self-extinguishment are superior to contrast product, have very high performance advantage；Especially wherein waste and old cable skin is answered
With use research, a new application idea of regeneration CABLE MATERIALS is started, has improved its market value.Product of the present invention is not only
The performance requirement of current low smoke no-halogen wire cable can be met, and waste and old cable skin recycling can be made, reduced useless
Pollution of the old cable skin to environment, has saved resource.
Embodiment described above is only that the preferred scheme of the present invention is described, and not the scope of the present invention is carried out
Limit, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art make to technical scheme
Various modifications and improvement, all should fall into claims of the present invention determination protection domain in.
Claims (9)
1. a kind of 90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials and preparation method thereof, the CABLE MATERIALS is by following heavy
Measure number component composition：70~90 parts of regenerative low-smoke halogen-free cable material particles, 10~20 parts of EVM, 3~8 parts of HDPE, 10~15 parts
Nano silicate, 10~15 parts of hydrotalcites, 5~10 parts of nano-aluminum hydroxides, 5~10 parts of modifying agent, 5~8 parts of compatilizers, 0.6
~0.8 part of primary antioxidant, 1.5~2 parts of lubricants, 2~3 parts of black masterbatch.
2. 90 DEG C of high fire-retardances regenerative low-smoke halogen-free flame-proof polyolefine cable material according to claim 1, it is characterised in that by
Following parts by weight component composition：75~85 parts of regenerative low-smoke halogen-free cable material particles, 10~15 parts of EVM, 6~8 parts of HDPE, 12
~14 parts of nano silicates, 10~12 parts of hydrotalcites, 5~8 parts of nano-aluminum hydroxides, 9 parts of modifying agent, 8 parts of compatilizers, 0.7 part
Antioxidant, 1.8 parts of lubricants, 3 parts of black masterbatch.
3. 90 DEG C of high fire-retardances regenerative low-smoke halogen-free flame-proof polyolefine cable material according to claim 1 or 2, its feature exist
In described regenerative low-smoke halogen-free cable material particle is the waste and old low smoke and zero halogen plastic grain of recovery, and its raw material is according to certain
The waste and old cable skin of the different performance of proportioning, the EVA not less than 15% mass content, EVM VA content >=45% are contained in composition.
4. 90 DEG C of high fire-retardances regenerative low-smoke halogen-free flame-proof polyolefine cable material according to claim 1 or 2, its feature exist
In described nano silicate is nano imvite.
5. 90 DEG C of high fire-retardances regenerative low-smoke halogen-free flame-proof polyolefine cable material according to claim 1 or 2, its feature exist
In described compatilizer is one in maleic anhydride grafted ethene vinylacetate, maleic anhydride grafted ethene-octene copolymer
Kind or two kinds, the shore A of hardness≤85, grafting rate >=35%.
6. 90 DEG C of high fire-retardances regenerative low-smoke halogen-free flame-proof polyolefine cable material according to claim 1 or 2, its feature exist
In described antioxidant is 2,6- di-tert-butyl-4-methy phenols.
7. 90 DEG C of high fire-retardances regenerative low-smoke halogen-free flame-proof polyolefine cable material according to claim 1 or 2, its feature exist
In described lubricant is 0.4~0.6 part of EVA wax and 1~1.5 part of silicone master batch composition.
8. 90 DEG C of high fire-retardances regenerative low-smoke halogen-free flame-proof polyolefine cable material according to claim 1 or 2, its feature exist
In described modifying agent is multi-polysiloxane.
9. the preparation method of 90 DEG C of high fire-retardance regenerative low-smoke halogen-free flame-proof polyolefine cable materials described in claim 1 or 2, including
Drying, banburying, extrusion, granulation and packaging process；Characterized in that, regenerative low-smoke halogen-free cable material particle is by originating from the useless of Japan
Old elastomer cable skin is with originating from the cracking resistance low-smoke halogen-free cable skin of Saudi Arabia according to 2:3 proportions are process；In banburying
In process：Material input banbury is stirred 3 minutes and is well mixed, starts banburying of pressurizeing, is respectively turned in 120 DEG C, 135 DEG C, 145 DEG C
Once, 155 DEG C of blowings, into co-extrusion process；The parameter of extrusion molding process is：200~210r/min of engine speed, feeding frequency 48
~50Hz, single screw rod 22 ± 3Hz of frequency, 20~25r/min of pelletizing speed；The temperature of extrusion molding process is：One 100 DEG C of area, 2nd area
105 DEG C, three 115 DEG C of areas, four 120 DEG C of areas, five 125 DEG C of areas, six 130 DEG C of areas, seven 135 DEG C of areas, eight 140 DEG C of areas, nine 145 DEG C of areas,
Ten 150 DEG C of areas, 11 150 DEG C of areas, 145 DEG C of head.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113897061A (en) * | 2021-10-29 | 2022-01-07 | 苏州亨利通信材料有限公司 | Silicone master batch and preparation method and application thereof |
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Address after: 065900 Hebei Dacheng Economic Development Zone, Langfang City, Hebei Province Applicant after: Langfang Cui's Cable Materials Co., Ltd. Address before: 065900 Daocheng County Daochai Village, Langfang City, Hebei Province Applicant before: LANGFANG CUISHI CABLE MATERIAL CO., LTD. |
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Application publication date: 20180119 |