CN105131577A - Anti-injury and low-temperature resistant sheathing compound for flexible telecommunication cables and preparation method of sheathing compound - Google Patents
Anti-injury and low-temperature resistant sheathing compound for flexible telecommunication cables and preparation method of sheathing compound Download PDFInfo
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- CN105131577A CN105131577A CN201510602225.9A CN201510602225A CN105131577A CN 105131577 A CN105131577 A CN 105131577A CN 201510602225 A CN201510602225 A CN 201510602225A CN 105131577 A CN105131577 A CN 105131577A
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Abstract
The invention discloses an anti-injury and low-temperature resistant sheathing compound for flexible telecommunication cables. The sheathing compound is characterized by being prepared from the following raw materials in parts by weight: 100-102 parts of polyether urethane, 20-21.5 parts of diethyl aluminium hypophosphite, 17-18 parts of melamine cyanurate, 4.3-4.5 parts of aluminium titanate, 50-52 parts of PVC, 1.6-1.8 parts of a cross-linking agent TAIC, 6-7 parts of calcium stearate, 20-22 parts of acetyl tributyl citrate, 5-6.5 parts of basalt fiber, 1.5-2 parts of alkylated diphenylamine, 4-5 parts of vaseline, 3-4 parts of vinyl silicone oil, 5-6 parts of a chillness resistant plasticizer DOS and 9-11 parts of coal ash. According to the anti-injury and low-temperature resistant sheathing compound for flexible telecommunication cables and the preparation method of the sheathing compound, provided by the invention, lubricating components like vaseline and vinyl silicone oil, and reinforcing components like coal ash and basalt fiber are subjected to a special process to prepare a modified filler, and the modified filler is further added for preparation of products, therefore, the abrasive resistance, the lubricity and the low temperature resistance of the products are improved, and the using requirements of telecommunication cables in an atrocious environment are met.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to low temperature resistant communication flexible cable sheath material of a kind of antibody Monoclonal and preparation method thereof.
Background technology
Thermoplastic polyurethane is the elastomer material be polymerized by vulcabond, polyvalent alcohol and chainextender, and it has high strength, snappiness, wear-resisting, oil resistant, weather, the feature such as low temperature resistant, soft, and this is that comprehensive any rubber and plastics do not possess entirely.Polyether-type and the large class of polyester type two can be divided into according to molecular structure, because the environment for use of cable is more complicated, the work-ing life required is more than 10 years, and the high temperature anti-hydrolytic performance of PAUR is poor, and low temperature flexibility is also not as good as polyether-type, therefore in field of cables many uses polyether polyurethane material.The oxygen index of polyether polyurethane material only has 18%, belong to inflammable material, and there is dense smoke and with toxic gas and serious molten drop during burning, and the price of urethane is relatively high, which limits the application on cable industry, therefore need to carry out above flame-retardant modified and composition to polyether(poly)urethane cross-linking modified.The cost of PVC is low, application wide, is a kind of important general-purpose plastics, have research by polyether(poly)urethane and PVC blended, obtain that cost is low, the material of excellent processing performance.The present invention then wishes to be undertaken cross-linking modified by polyether(poly)urethane and PVC, by the interpolation of flame-retardant composition, prepare that a kind of cost is low, applied range, fire-retardant fireproof excellent performance, processing fluidity is good, resistance to low temperature is good flexible cable sheath material.
Common cable usually becomes stiff under refrigerated environment, low temperature environment, all may occur damaging, have a strong impact on the normal use of cable in dilatory, winding, bending, moving process.Along with the development of the industries such as industrial product, communication, there is the cable that a large amount of equipment, instrument, machinery etc. are required, and telecommunication cable uses under low temperature environment environment, how to guarantee that these cables normally use under severe low temperature environment, this damage-resistant to cable, low temperature resistant be test.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides low temperature resistant communication flexible cable sheath material of a kind of antibody Monoclonal and preparation method thereof.
The present invention is achieved by the following technical solutions:
The low temperature resistant communication flexible cable sheath material of a kind of antibody Monoclonal, is made up of the raw material of following weight part: polyether(poly)urethane 100-102, aluminum diethylphosphinate 20-21.5, melamine cyanurate 17-18, aluminium titanates 4.3-4.5, PVC50-52, linking agent TAIC1.6-1.8, calcium stearate 6-7, tributyl acetylcitrate 20-22, basalt fibre 5-6.5, alkylated diphenylamine 1.5-2, Vaseline 4-5, vinyl silicone oil 3-4, cold resistant plasticizer DOS5-6, flyash 9-11.
The low temperature resistant communication flexible cable sheath material of described a kind of antibody Monoclonal, be made up of following concrete steps:
(1) calcium stearate of aluminum diethylphosphinate, melamine cyanurate, aluminium titanates, half amount is put into high-speed mixer, after stirring 10 minutes with the speed of 1000 revs/min under normal temperature, then 80 DEG C are heated to, stir 15 minutes with the speed of 1200 revs/min, obtain finely dispersed compound flame retardant; Polyether(poly)urethane being placed on temperature is in the air dry oven of 90 DEG C dry 3 hours, sealing sends into two roller mill after taking out after being cooled to room temperature, before and after controlling, roll temperature is 130 DEG C, begin to pratise 2-3 minute, add compound flame retardant again, pour out after continuing to begin to pratise 8 minutes, send in twin screw extruder, be extruding pelletization under the condition of 140 DEG C in temperature, obtain flame-retardant modified polyether(poly)urethane masterbatch;
(2) by PVC, linking agent TAIC, tributyl acetylcitrate and remaining calcium stearate join in high-speed mixer, temperature control 100 DEG C, 10 minutes are stirred with the speed of 1000 revs/min, then material is put into cold mixer, stir with the speed of 200 revs/min, until add the flame-retardant modified polyether(poly)urethane masterbatch that step (2) obtains when material is cooled to room temperature, discharging after mixing 5 minutes with the speed of 1000 revs/min at normal temperatures, again the material mixed is sent in parallel double-screw extruder, mix 30 minutes, controlling extrusion temperature is 145 DEG C, extruding pelletization, obtain cross-linking modified masterbatch,
(3) basalt fibre is pulverized, cross 200 sieves, mix with flyash, stand-by; Mix after Vaseline thermoplastic with vinyl silicone oil, be incubated 60 DEG C, powder mix added wherein, put into high-speed mixer, stir discharging after 15 minutes with the speed of 1000 turns/part, pulverize after being cooled to normal temperature, cross 400 mesh sieves, obtain modified filler;
(4) modified filler that cross-linking modified masterbatch step (2) obtained and step (3) obtain and all the other remaining components are sent in twin screw extruder jointly, mix after 10 minutes, with the temperature extruding pelletization of 150 DEG C and get final product.
Advantage of the present invention is: the present invention adopts aluminum diethylphosphinate and melamine cyanurate to be main flame retardant in the modification of polyether(poly)urethane, composite aluminium titanates, synergy, effectively can improve the neat coal amout of combustion processes, and make layer of charcoal finer and close, also reduce maximum heat rate of release simultaneously, demonstrate excellent fire-retardant fireproof effect; Recycling PVC and modified polyether(poly)urethane are cross-linked, and flame retardant properties strengthens further, not only maintains urethane softness, wear-resisting, low temperature resistant character, reduces cost simultaneously, improve the thermostability of crosslinked material, be more suitable for the market requirement.
The present invention adds the Lubrication Composition such as Vaseline, vinyl silicone oil and the enhancing ingredients such as flyash, basalt fibre and makes modified filler by special technique and add in the preparation of product, good with cross-linking modified masterbatch consistency, further enhancing the wear resistance of product, oilness, winter hardiness, meet the service requirements of telecommunication cable under harsh and unforgiving environments.
Embodiment
The low temperature resistant communication flexible cable sheath material of a kind of antibody Monoclonal, is made up of the raw material of following weight part (kilogram): polyether(poly)urethane 100, aluminum diethylphosphinate 20, melamine cyanurate 17, aluminium titanates 4.3, PVC50, linking agent TAIC1.6, calcium stearate 6, tributyl acetylcitrate 20, basalt fibre 5, alkylated diphenylamine 1.5, Vaseline 4, vinyl silicone oil 3, cold resistant plasticizer DOS5, flyash 9.
The low temperature resistant communication flexible cable sheath material of described a kind of antibody Monoclonal, be made up of following concrete steps:
(1) calcium stearate of aluminum diethylphosphinate, melamine cyanurate, aluminium titanates, half amount is put into high-speed mixer, after stirring 10 minutes with the speed of 1000 revs/min under normal temperature, then 80 DEG C are heated to, stir 15 minutes with the speed of 1200 revs/min, obtain finely dispersed compound flame retardant; Polyether(poly)urethane being placed on temperature is in the air dry oven of 90 DEG C dry 3 hours, sealing sends into two roller mill after taking out after being cooled to room temperature, before and after controlling, roll temperature is 130 DEG C, begin to pratise 3 minutes, add compound flame retardant again, pour out after continuing to begin to pratise 8 minutes, send in twin screw extruder, be extruding pelletization under the condition of 140 DEG C in temperature, obtain flame-retardant modified polyether(poly)urethane masterbatch;
(2) by PVC, linking agent TAIC, tributyl acetylcitrate and remaining calcium stearate join in high-speed mixer, temperature control 100 DEG C, 10 minutes are stirred with the speed of 1000 revs/min, then material is put into cold mixer, stir with the speed of 200 revs/min, until add the flame-retardant modified polyether(poly)urethane masterbatch that step (2) obtains when material is cooled to room temperature, discharging after mixing 5 minutes with the speed of 1000 revs/min at normal temperatures, again the material mixed is sent in parallel double-screw extruder, mix 30 minutes, controlling extrusion temperature is 145 DEG C, extruding pelletization, obtain cross-linking modified masterbatch,
(3) basalt fibre is pulverized, cross 200 sieves, mix with flyash, stand-by; Mix after Vaseline thermoplastic with vinyl silicone oil, be incubated 60 DEG C, powder mix added wherein, put into high-speed mixer, stir discharging after 15 minutes with the speed of 1000 turns/part, pulverize after being cooled to normal temperature, cross 400 mesh sieves, obtain modified filler;
(4) modified filler that cross-linking modified masterbatch step (2) obtained and step (3) obtain and all the other remaining components are sent in twin screw extruder jointly, mix after 10 minutes, with the temperature extruding pelletization of 150 DEG C and get final product.
By the production of materials application of the present invention in cable, after testing, the index reached is as follows for cable product: tensile strength is 23.9MPa, and fracture extension rate is 306%, and oxygen index >=30%, flame retardant properties reaches UL-94V-0 level.
Claims (2)
1. the low temperature resistant communication flexible cable sheath material of antibody Monoclonal, it is characterized in that, be made up of the raw material of following weight part: polyether(poly)urethane 100-102, aluminum diethylphosphinate 20-21.5, melamine cyanurate 17-18, aluminium titanates 4.3-4.5, PVC50-52, linking agent TAIC1.6-1.8, calcium stearate 6-7, tributyl acetylcitrate 20-22, basalt fibre 5-6.5, alkylated diphenylamine 1.5-2, Vaseline 4-5, vinyl silicone oil 3-4, cold resistant plasticizer DOS5-6, flyash 9-11.
2. the low temperature resistant communication flexible cable sheath material of a kind of antibody Monoclonal according to claim 1, is characterized in that, be made up of following concrete steps:
(1) calcium stearate of aluminum diethylphosphinate, melamine cyanurate, aluminium titanates, half amount is put into high-speed mixer, after stirring 10 minutes with the speed of 1000 revs/min under normal temperature, then 80 DEG C are heated to, stir 15 minutes with the speed of 1200 revs/min, obtain finely dispersed compound flame retardant; Polyether(poly)urethane being placed on temperature is in the air dry oven of 90 DEG C dry 3 hours, sealing sends into two roller mill after taking out after being cooled to room temperature, before and after controlling, roll temperature is 130 DEG C, begin to pratise 2-3 minute, add compound flame retardant again, pour out after continuing to begin to pratise 8 minutes, send in twin screw extruder, be extruding pelletization under the condition of 140 DEG C in temperature, obtain flame-retardant modified polyether(poly)urethane masterbatch;
(2) by PVC, linking agent TAIC, tributyl acetylcitrate and remaining calcium stearate join in high-speed mixer, temperature control 100 DEG C, 10 minutes are stirred with the speed of 1000 revs/min, then material is put into cold mixer, stir with the speed of 200 revs/min, until add the flame-retardant modified polyether(poly)urethane masterbatch that step (2) obtains when material is cooled to room temperature, discharging after mixing 5 minutes with the speed of 1000 revs/min at normal temperatures, again the material mixed is sent in parallel double-screw extruder, mix 30 minutes, controlling extrusion temperature is 145 DEG C, extruding pelletization, obtain cross-linking modified masterbatch,
(3) basalt fibre is pulverized, cross 200 sieves, mix with flyash, stand-by; Mix after Vaseline thermoplastic with vinyl silicone oil, be incubated 60 DEG C, powder mix added wherein, put into high-speed mixer, stir discharging after 15 minutes with the speed of 1000 turns/part, pulverize after being cooled to normal temperature, cross 400 mesh sieves, obtain modified filler;
(4) modified filler that cross-linking modified masterbatch step (2) obtained and step (3) obtain and all the other remaining components are sent in twin screw extruder jointly, mix after 10 minutes, with the temperature extruding pelletization of 150 DEG C and get final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510602225.9A CN105131577A (en) | 2015-09-21 | 2015-09-21 | Anti-injury and low-temperature resistant sheathing compound for flexible telecommunication cables and preparation method of sheathing compound |
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| CN201510602225.9A CN105131577A (en) | 2015-09-21 | 2015-09-21 | Anti-injury and low-temperature resistant sheathing compound for flexible telecommunication cables and preparation method of sheathing compound |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810332A (en) * | 2016-05-19 | 2016-07-27 | 合肥庭索环保材料有限公司 | Cable filler for antifreeze fire-resistant cable |
| CN106060987A (en) * | 2016-06-07 | 2016-10-26 | 安邦电气股份有限公司 | High molecular self-temperature-limiting heat-tracing cable applicable to safety voltage |
| CN110903573A (en) * | 2019-12-12 | 2020-03-24 | 浙江万马高分子材料集团有限公司 | PVC modified material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102120875A (en) * | 2011-01-10 | 2011-07-13 | 杭州捷尔思阻燃化工有限公司 | High-temperature-resistant high-moisture-resistant halogen-free flame-retardant polyester type polyurethane thermoplastic elastomer composition |
-
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- 2015-09-21 CN CN201510602225.9A patent/CN105131577A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120875A (en) * | 2011-01-10 | 2011-07-13 | 杭州捷尔思阻燃化工有限公司 | High-temperature-resistant high-moisture-resistant halogen-free flame-retardant polyester type polyurethane thermoplastic elastomer composition |
Non-Patent Citations (1)
| Title |
|---|
| 孙春英等: ""汽车用 PVC /热塑性聚氨酯交联电缆料的研制"", 《聚氯乙烯》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810332A (en) * | 2016-05-19 | 2016-07-27 | 合肥庭索环保材料有限公司 | Cable filler for antifreeze fire-resistant cable |
| CN106060987A (en) * | 2016-06-07 | 2016-10-26 | 安邦电气股份有限公司 | High molecular self-temperature-limiting heat-tracing cable applicable to safety voltage |
| CN110903573A (en) * | 2019-12-12 | 2020-03-24 | 浙江万马高分子材料集团有限公司 | PVC modified material and preparation method and application thereof |
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Application publication date: 20151209 |