CN102746553B - Modified flame-retardant composite resin, pipeline for pit water and preparation method thereof - Google Patents
Modified flame-retardant composite resin, pipeline for pit water and preparation method thereof Download PDFInfo
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- CN102746553B CN102746553B CN201210241534.4A CN201210241534A CN102746553B CN 102746553 B CN102746553 B CN 102746553B CN 201210241534 A CN201210241534 A CN 201210241534A CN 102746553 B CN102746553 B CN 102746553B
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Abstract
The invention discloses a modified flame-retardant composite resin, a pipeline for pit water and a preparation method thereof. The resin comprises the following components in parts by weight: 80-100 parts of polyethylene and polypropylene mixture, 40-50 parts of aluminum hydroxide or magnesium hydroxide, 5-10 parts of polycarbonate, 5-10 parts of carbon black, 3-6 parts of ethoxylated alkylamine and 1-2 parts of trinonylphenyl phosphite. The pipeline for pit water comprises a metal pipe body and a modified flame-retardant composite resin coating applied onto the surface of the metal pipe body. The pipeline for pit water disclosed by the invention can effectively prevent the metal pipe from corrosion, has high strength ratio, and can satisfy the requirements for application in pits.
Description
Technical field
The present invention relates to a kind of pit water pipeline, be specifically related to pipeline and preparation method thereof for a kind of modified flame-retardant compound resin and pit water.
Background technology
Pit water contains subparticle, salt, chlorion etc., and steel pipe easily produces burn into wearing and tearing, and the pit water using in mine is antistatic with pipeline, anti-burning, and the pit water using outside mine is wanted resistance to marquis with pipeline.Traditional method is to adopt metal tube to operate, but mine interior humidity is large, and the time, long meeting produced corrosion to metal tube.At present, there is enterprise to adopt plastic polyethylene pipe to replace metal tube, can avoid like this corrosion, but vinyl tube insufficient strength, in the situation that bottomhole wellbore pressure is larger, can produce potential safety hazard.
Summary of the invention
The present invention aims to provide a kind of modified flame-retardant compound resin for metallizing pipe and has the metallic corrosion of preventing, and fire-retardant effect.
Another object of the present invention is to provide a kind of preparation method of the modified flame-retardant compound resin for metallizing pipe.
The 3rd object of the present invention is to provide a kind of not perishable, and intensity is large, fire-retardant pit water pipeline.
The 4th object of the present invention is to provide the preparation method of pipeline for a kind of pit water.
Modified flame-retardant compound resin of the present invention, comprises the each component of following weight part:
80～100 parts, polyethylene and polyacrylic mixture,
40～50 parts of aluminium hydroxide or magnesium hydroxides,
5～10 parts of polycarbonate,
5～10 parts of carbon blacks,
3～6 parts of ethoxylated alkylamines,
1～2 part of trisnonyl phenyl phosphite;
In described polyethylene and polyacrylic mixture, polyethylene and polyacrylic mass ratio are (3～19): 1.
The preparation method of modified flame-retardant compound resin of the present invention, comprises the following steps:
(1) according to the proportioning of described modified flame-retardant compound resin, take each component and mix;
(2) each component mixing in step (1) is put into tablets press, carry out extruder grain;
(3) by the granule sieving of extruding from tablets press whole grain;
(4) particle after whole grain is dried to 4～6 hours at 60～80 ℃, makes granularity 30～60 object modified flame-retardant composite resin materials.
Pit water pipeline of the present invention, comprises metal tube body and the modified flame-retardant compound resin coating that is coated in metal tube surface, and described modified flame-retardant compound resin coating adopts aforesaid modified flame-retardant compound resin to apply.
The preparation method of pipeline for pit water of the present invention, comprises the following steps:
(1) according to the proportioning of described modified flame-retardant compound resin, take each component and mix;
(2) each component mixing in step (1) is put into tablets press, carry out extruder grain;
(3) by the granule sieving of extruding from tablets press whole grain;
(4) particle after whole grain is dried to 4～6 hours at 60～80 ℃, makes granularity 30～60 object modified flame-retardant composite resin materials;
(5) metal tube is heated to 220～280 ℃, immerse in described modified flame-retardant compound resin 3～10 seconds afterwards taking-up obtain described pit water pipeline.
Modified flame-retardant compound resin provided by the invention can be used for metallizing pipe, is coated in metal tube surface and forms dense resin coating, has the metallic corrosion of preventing, and fire-retardant effect.Pit water owing to being coated with modified flame-retardant compound resin coating at metal tube surface, can effectively prevent metal tube corrosion with pipeline, and due to the support of metal tube, strength ratio is larger, can meet the requirement of using in mine.Pit water of the present invention is 1 * 10 with pipe surface resistance
3～1 * 10
5, flame retardant effect can reach V0 level, and inside and outside coating is smooth, and color and luster is even, there is no the defects such as pin hole, scar, and coat-thickness reaches 3mm, meets the national requirements of pipeline for mine, is conducive to eliminate safe hidden trouble.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of pipeline for pit water of the present invention.
Embodiment
Embodiment 1
The embodiment of the present invention 1 provides a kind of modified flame-retardant compound resin, comprises the each component of following weight part:
5～10 parts of terpine resins,
5～10 parts, zinc oxide,
3～6 parts of ethoxylated alkylamines,
2～5 parts, paraffin,
1～2 part of trisnonyl phenyl phosphite.
The modified flame-retardant compound resin that the present embodiment provides, is coated in metal tube surface, can effectively prevent metal tube corrosion.Reality detects data and shows, flame retardant effect can reach V0 level, and is coated on metal tube surface, can form smoothly, color and luster is even, there is no the coating of the defects such as pin hole, scar, can prevent metal tube corrosion, meet the national requirements of pipeline for mine, be conducive to eliminate safe hidden trouble.
In the present embodiment, in order further to improve protection against corrosion and flame retardant effect, described modified flame-retardant compound resin preferably includes the each component of following weight part:
85～95 parts, polyethylene and polyacrylic mixture,
45～48 parts of aluminium hydroxide or magnesium hydroxides,
6～8 parts of polycarbonate,
6～8 parts of carbon blacks,
4～5 parts of ethoxylated alkylamines,
1～2 part of trisnonyl phenyl phosphite.
In the present embodiment, in order to obtain better protection against corrosion and flame retardant effect, in described polyethylene and polyacrylic mixture, polyethylene and polyacrylic mass ratio are preferably (3～19): 1.
Embodiment 2
The present embodiment provides a kind of preparation method of modified flame-retardant compound resin, and this modified flame-retardant compound resin formula is as follows:
5～10 parts of terpine resins,
5～10 parts, zinc oxide,
3～6 parts of ethoxylated alkylamines,
2～5 parts, paraffin,
1～2 part of trisnonyl phenyl phosphite.
Described preparation method comprises the steps:
(1) take the each component of proportional quantity and mix;
(2) each component mixing in step (1) is put into tablets press, carry out extruder grain;
(3) by the granule sieving of extruding from tablets press whole grain;
(4) particle after whole grain is dried to 4～6 hours at 60～80 ℃, makes granularity 30～60 object modified flame-retardant composite resin materials.
Modified flame-retardant compound resin prepared by the method providing by the present embodiment, is coated in metal tube surface and forms dense coating, can effectively prevent metal tube corrosion.The actual data that detect show, flame retardant effect can reach V0 level, and is coated on metal tube surface, can form smoothly, and color and luster is even, there is no the coating of the defects such as pin hole, scar, meets the national requirements of pipeline for mine, is conducive to eliminate safe hidden trouble.
In the present embodiment, in order further to improve protection against corrosion and flame retardant effect, this modified flame-retardant compound resin screening formulation is as follows:
85～95 parts, polyethylene and polyacrylic mixture,
45～48 parts of aluminium hydroxide or magnesium hydroxides,
6～8 parts of polycarbonate,
6～8 parts of carbon blacks,
4～5 parts of ethoxylated alkylamines,
1～2 part of trisnonyl phenyl phosphite.
In the present embodiment, in order further to improve protection against corrosion and flame retardant effect, in described polyethylene and polyacrylic mixture, polyethylene and polyacrylic mass ratio are preferably (3～19): 1.
Embodiment 3
Referring to Fig. 1, the pit water pipeline of the present embodiment, comprise metal tube body 2 and the modified flame-retardant compound resin coating that is coated in metal tube surface, described modified flame-retardant compound resin coating comprises undercoat 12 and external coating (EC) 11, and described modified flame-retardant compound resin adopts the resin described in embodiment 1.
The pit water of the present embodiment with pipeline owing to being coated with modified flame-retardant compound resin coating at metal tube surface, can effectively prevent metal tube corrosion, and the support due to metal tube, strength ratio is larger, can meet the requirement of using in mine, pit water of the present invention is 1 * 10 with pipe surface resistance
3～1 * 10
5, flame retardant effect can reach V0 level, and inside and outside coating is smooth, and color and luster is even, there is no the defects such as pin hole, scar, and coat-thickness reaches 3mm, meets the national requirements of pipeline for mine, is conducive to eliminate safe hidden trouble.
In order to obtain more excellent mechanical property, optional, described metal tube is steel pipe.
In order to obtain better protection against corrosion and flame retardant properties, optional, the thickness of described modified flame-retardant compound resin coating is 0.1～3mm.
Embodiment 4
The present embodiment provides the preparation method of a kind of pit water with pipeline, comprises the following steps:
(1) take the each component of proportional quantity and mix.
Above-mentioned each component and proportional quantity thereof comprise: 5～10 parts of terpine resins, 5～10 parts, zinc oxide, 3～6 parts of ethoxylated alkylamines, 2～5 parts, paraffin, 1～2 part of trisnonyl phenyl phosphite.
Preferably, above-mentioned each component and proportional quantity thereof comprise: 85～95 parts, polyethylene and polyacrylic mixture, aluminium hydroxide or 45～48 parts of magnesium hydroxides, 6～8 parts of polycarbonate, 6～8 parts of carbon blacks, 4～5 parts of ethoxylated alkylamines, 1～2 part of trisnonyl phenyl phosphite.
Wherein, optional, in polyethylene and polyacrylic mixture, polyethylene and polyacrylic mass ratio are (3～19): 1.
(2) each component mixing in step (1) is put into tablets press, carry out extruder grain;
(3) by the granule sieving of extruding from tablets press whole grain;
(4) particle after whole grain is dried to 4～6 hours at 60～80 ℃, makes granularity 30～60 object modified flame-retardant composite resin materials;
(5) metal tube is heated to 220～280 ℃, immerse in described modified flame-retardant compound resin 3～10 seconds afterwards taking-up obtain described pit water pipeline.
Described metal tube can be but is not limited to steel pipe.
Completing steps (5) afterwards the thickness of the modified flame-retardant compound resin coating of metal tube surface be preferably 0.1～3mm.
The preparation method of pipeline for the pit water that the present embodiment provides, can on the metal tube surface of metal tube body, prepare modified flame-retardant compound resin coating, this modified flame-retardant compound resin coating can effectively prevent metal tube corrosion, and the support due to metal tube, strength ratio is larger, can meet the requirement of using in mine.The actual data that detect show, pit water pipeline prepared by the method that adopts the present embodiment to provide, and surface resistivity is 1 * 10
3～1 * 10
5, flame retardant effect can reach V0 level, and inside and outside coating is smooth, and color and luster is even, there is no the defects such as pin hole, scar, and coat-thickness reaches 3mm, meets the national requirements of pipeline for mine, is conducive to eliminate safe hidden trouble.
Enumerate the parameters such as concrete component proportioning, processing condition below, embodiment to technical scheme of the present invention is further described in detail, but the parameters such as following component proportioning, processing condition are only exemplary illustration, do not represent the restriction to technical solution of the present invention essence.
Embodiment 5
Get parts by weight and be polyethylene (the Nanjing Fan Long Chemical Co., Ltd. of 80 parts, model LLDPE RG300U) and polypropylene (Hangzhou Guang Tai Chemical Co., Ltd., PPH360F) trisnonyl phenyl phosphite of mixture (polyethylene: polypropylene weight is 3:1), the aluminium hydroxide of 40 parts, the polycarbonate of 5 parts, the carbon black of 5 parts, the ethoxylated alkylamine of 3 parts and 1 part mixes 10 minutes; Mixture is put into tablets press, extruder grain, rear screening whole grain; Gained particle is placed in to baking oven, at 60 ℃, is dried 6 hours, make granularity 50 object modified flame-retardant composite resin materials; Mine is heated to 220 ℃ with steel pipe, immerses in modified flame-retardant composite resin material and apply, continue 10 seconds, on steel pipe, apply the dense resin coating that last layer 3mm is thick, this metal tube has no corrosion use half a year in mine after.
Embodiment 6
Get parts by weight and be polyethylene (the Nanjing Fan Long Chemical Co., Ltd. of 85 parts, model LLDPE1002KW) and the trisnonyl phenyl phosphite of polypropylene (Hangzhou Guang Tai Chemical Co., Ltd., PP B350F) mixture (polyethylene: polypropylene weight is 7:1), the magnesium hydroxide of 42 parts, the polycarbonate of 6 parts, the carbon black of 7 parts, the ethoxylated alkylamine of 4 parts and 1 part mix 12 minutes; Mixture is put into tablets press, extruder grain, rear screening whole grain; Gained particle is placed in to baking oven, at 65 ℃, is dried 5.5 hours, make granularity 30 object modified flame-retardant composite resin materials; Mine is heated to 230 ℃ with steel pipe, immerses in modified flame-retardant composite resin material and apply, continue 8 seconds, on steel pipe, apply the dense resin coating that last layer 2.7mm is thick, this metal tube has no corrosion use half a year in mine after.
Embodiment 7
Get parts by weight and be polyethylene (the Nanjing Fan Long Chemical Co., Ltd. of 90 parts, model LLDPE4030) and the trisnonyl phenyl phosphite of polypropylene (Hangzhou Guang Tai Chemical Co., Ltd., PP B350F) mixture (polyethylene: polypropylene weight is 11:1), the aluminium hydroxide of 45 parts, the polycarbonate of 8 parts, the carbon black of 6 parts, the ethoxylated alkylamine of 5 parts and 2 parts mix 15 minutes; Mixture is put into tablets press, extruder grain, rear screening whole grain; Gained particle is placed in to baking oven, at 70 ℃, is dried 5 hours, make granularity 30 object modified flame-retardant composite resin materials; Mine is heated to 250 ℃ with steel pipe, immerses in modified flame-retardant composite resin material and apply, continue 6 seconds, on steel pipe, apply the dense resin coating that last layer 2.3mm is thick, this metal tube has no corrosion use half a year in mine after.
Embodiment 8
Get parts by weight and be polyethylene (the Nanjing Fan Long Chemical Co., Ltd. of 95 parts, model LLDPE4570) and the trisnonyl phenyl phosphite of polypropylene (Hangzhou Guang Tai Chemical Co., Ltd., PP H900F) mixture (polyethylene: polypropylene weight is 15:1), the aluminium hydroxide of 48 parts, the polycarbonate of 10 parts, the carbon black of 8 parts, the ethoxylated alkylamine of 6 parts and 2 parts mix 18 minutes; Mixture is put into tablets press, extruder grain, rear screening whole grain; Gained particle is placed in to baking oven, at 75 ℃, is dried 4.5 hours, make granularity 40 object modified flame-retardant composite resin materials; Mine is heated to 270 ℃ with steel pipe, immerses in modified flame-retardant composite resin material and apply, continue 5 seconds, on steel pipe, apply the dense resin coating that last layer 2mm is thick, this metal tube has no corrosion use half a year in mine after.
Embodiment 9
Get parts by weight and be polyethylene (the Nanjing Fan Long Chemical Co., Ltd. of 100 parts, model LLDPE4570) and polypropylene (Hangzhou Guang Tai Chemical Co., Ltd., PPH900F) trisnonyl phenyl phosphite of mixture (polyethylene: polypropylene weight is 19:1), the magnesium hydroxide of 50 parts, the polycarbonate of 9 parts, the carbon black of 10 parts, the ethoxylated alkylamine of 6 parts and 2 parts mixes 20 minutes; Mixture is put into tablets press, extruder grain, rear screening whole grain; Gained particle is placed in to baking oven, at 80 ℃, is dried 4 hours, make granularity 50 object modified flame-retardant composite resin materials; Mine is heated to 280 ℃ with steel pipe, immerses in modified flame-retardant composite resin material and apply, continue 3 seconds, on steel pipe, apply the dense resin coating that last layer 1.9mm is thick, this metal tube has no corrosion use half a year in mine after.
Embodiment 10
Getting parts by weight is that the polyethylene polypropylene miser (polyethylene: polypropylene weight is 19:1) of 100 parts, the magnesium hydroxide of 40 parts, the polycarbonate of 9 parts, the carbon black of 10 parts, the ethoxylated alkylamine of 6 parts and the trisnonyl phenyl phosphite of 2 parts mix 20 minutes; Mixture is put into tablets press, extruder grain, rear screening whole grain; Gained particle is placed in to baking oven, at 80 ℃, is dried 3 hours, make granularity 50 object modified flame-retardant composite resin materials; Mine is heated to 280 ℃ with steel pipe, immerses in modified flame-retardant composite resin material and apply, continue 3 seconds, on steel pipe, apply the dense resin coating that last layer 1.9mm is thick, this metal tube has no corrosion use half a year in mine after.
The data that table 1 obtains by the check of the UL94 flame retardant rating method of inspection for prepared modified flame-retardant compound resin in embodiment 5-9.Can find out that the modified flame-retardant compound resin in embodiment 5-9 all can reach the fire-retardant requirement of VO level.Always have two cover samples, every cover sample has 5 samples, and 5 samples of first set, at 23 ℃, are placed under the condition of 50%RH after 48 hours and tested.5 samples of the second cover are placed after 7 days and are tested under the condition of 70 ℃.Wherein A is ten total flaming combustion times (S), and B has individually maximum value combustion time (S) in 5 samples, and C is flameless combustion time (S), and D is for having or not flame molten drop.The requirement of ULVO level flame retardant rating is: A<50, B<10, C<30, D be completely without.The concrete test data of embodiment 5-9 is in Table 1.
Table 1
The sequencing of above embodiment only, for ease of describing, does not represent the quality of embodiment.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a modified flame-retardant compound resin, is characterized in that, comprises the each component of following weight part:
80～100 parts, polyethylene and polyacrylic mixture,
40～50 parts of aluminium hydroxide or magnesium hydroxides,
5～10 parts of polycarbonate,
5～10 parts of carbon blacks,
3～6 parts of ethoxylated alkylamines,
1～2 part of trisnonyl phenyl phosphite;
In described polyethylene and polyacrylic mixture, polyethylene and polyacrylic mass ratio are (3～19): 1.
2. modified flame-retardant compound resin according to claim 1, is characterized in that, comprises the each component of following weight part:
85～95 parts, polyethylene and polyacrylic mixture,
45～48 parts of aluminium hydroxide or magnesium hydroxides,
6～8 parts of polycarbonate,
6～8 parts of carbon blacks,
4～5 parts of ethoxylated alkylamines,
1～2 part of trisnonyl phenyl phosphite.
3. a preparation method for the modified flame-retardant compound resin described in claim 1 or 2, is characterized in that, comprises the following steps:
(1) take the each component of proportional quantity and mix;
(2) each component mixing in step (1) is put into tablets press, carry out extruder grain;
(3) by the granule sieving of extruding from tablets press whole grain;
(4) particle after whole grain is dried to 4～6 hours at 60～80 ℃, makes granularity 30～60 object modified flame-retardant composite resin materials.
4. a pit water pipeline, it is characterized in that, comprise metal tube body and be coated in the modified flame-retardant compound resin coating of metal tube surface, the modified flame-retardant compound resin that described modified flame-retardant compound resin coating adopts modified flame-retardant compound resin described in claim 1-2 any one or method claimed in claim 3 to prepare applies.
5. pit water pipeline according to claim 4, is characterized in that, described metal tube is steel pipe.
6. according to the pit water pipeline described in claim 4 or 5, it is characterized in that, the thickness of described modified flame-retardant compound resin coating is 0.1～3mm.
7. a preparation method with pipeline for pit water claimed in claim 4, is characterized in that, comprises the following steps:
(1) take the each component of proportional quantity and mix;
(2) each component mixing in step (1) is put into tablets press, carry out extruder grain;
(3) by the granule sieving of extruding from tablets press whole grain;
(4) particle after whole grain is dried to 4～6 hours at 60～80 ℃, makes granularity 30～60 object modified flame-retardant composite resin materials;
(5) metal tube is heated to 220～280 ℃, immerse in described modified flame-retardant compound resin 3～10 seconds afterwards taking-up obtain described pit water pipeline.
8. the preparation method of pipeline for pit water according to claim 7, is characterized in that, described metal tube is steel pipe.
9. the preparation method with pipeline according to the pit water described in claim 7 or 8, is characterized in that, the thickness of described modified flame-retardant compound resin coating is 0.1～3mm.
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| CN104033667A (en) * | 2013-03-08 | 2014-09-10 | 天源环保有限公司 | Special environment-friendly modified polymer composite tube |
| CN103183863A (en) * | 2013-04-15 | 2013-07-03 | 杭州邦德市政塑管有限公司 | Antistatic PE (Polyethylene) material |
| CN103267178B (en) * | 2013-05-27 | 2015-10-21 | 成都三环金属制品有限公司 | Polyethylene composite tube for underground coal mine |
| CN104292579B (en) * | 2014-09-24 | 2016-09-07 | 苏州博利迈新材料科技有限公司 | A kind of halogen-free flameproof LDPE/PC composite and preparation method thereof |
| CN104613277A (en) * | 2015-01-15 | 2015-05-13 | 安徽省芜湖市双虎塑管有限公司 | Special inflaming-retarding wear-resistant lining pipe for oil field and production process thereof |
| JP6717023B2 (en) * | 2015-04-20 | 2020-07-01 | 三菱ケミカル株式会社 | Thermally conductive material |
| CN107163351A (en) * | 2017-07-04 | 2017-09-15 | 合肥择浚电气设备有限公司 | A kind of high-strength composite pipe and its production technology |
| CN107631102B (en) * | 2017-08-22 | 2020-05-22 | 江苏吉庆管材有限公司 | Anti-aging ventilating duct |
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