CN102252138B - Glass fiber reinforced polyolefin tube and preparation method and application thereof - Google Patents
Glass fiber reinforced polyolefin tube and preparation method and application thereof Download PDFInfo
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- CN102252138B CN102252138B CN 201110061484 CN201110061484A CN102252138B CN 102252138 B CN102252138 B CN 102252138B CN 201110061484 CN201110061484 CN 201110061484 CN 201110061484 A CN201110061484 A CN 201110061484A CN 102252138 B CN102252138 B CN 102252138B
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Abstract
The invention discloses a glass fiber reinforced polyolefin tube and a preparation method and application thereof. The glass fiber reinforced polyolefin tube is sequentially provided with a glass fiber modified polyolefin layer, a continuous glass fiber wound reinforcing layer and a polyolefin layer from inside to outside. An outer hot melt adhesive layer and an inner hot melt adhesive layer can be added at two sides of the continuous glass fiber wound reinforcing layer of the glass fiber reinforced polyolefin tube. Through the continuous glass fiber wound reinforcing layer, the using pressure of the glass fiber reinforced polyolefin tube can be greatly improved; and the glass fiber reinforced polyolefin tube is particularly suitable for delivering media such as corrosive and high-pressure industrial water or solvent and the like.
Description
Technical field
The present invention relates to the multiple tube preparation field, be specifically related to a kind of glass fiber reinforced polyolefin tube that is applicable to pipeline water delivery, industrial sewage discharging, the various Korrosionsmediums of industrial conveying etc. and its preparation method and application.
Background technique
Fiber glass reinforced polypropylene FRPP adopts alkali-free, glass fibre and acrylic resin without low bank between fields carry out adding an amount of antiager after the polymerization again, stabilizer, the strengthening agent batch mixing gets by granulation, with the tubing of this manufacture of materials except having the original premium properties of virgin pp, greatly improved its intensity, hardness and rigidity, it is a kind of functional novel plastic of up-to-date development not in last century, at present at home and abroad such as chemical industry, chemical fibre, electric power, food, medicine, municipal engineering, highway, railway, the extensive use of the field such as viaduct and sewage treatment, but in use also can exist because of the fed sheet of a media overpressure or cause pipeline to break under the certain pressure effect for a long time, this problem is especially outstanding in large size pipe using process.
Application number is that 200610014892.6 Chinese invention patent application discloses a kind of hot and cold water with reinforced layer with the making method of fiber glass reinforced polypropylene composite pipe.The method mainly provides a kind of double-deck composite polypropylene that possesses polypropylene layer and fiber glass reinforced polypropylene layer, has the high relatively not defective of intensity, has limited the using scope of tubing.
Application number is that 200610045174.5 Chinese invention patent application discloses a kind of reinforcement type tubular product of polyethylene, and this tubing mainly is to add short glass fiber in the polyethylene body, thereby has strengthened the intensity of tubing.But this technology only is that short glass fiber is added in the polyethylene body, although tubing is very thin, light and handy, also has the problem of the poor performance such as intensity is relatively low, corrosion-resistant.
Summary of the invention
The object of the invention is to high according to the insufficient strength that exists in the existing enhancement mode tubing, can not carry the problems such as Korrosionsmedium, a kind of glass fiber reinforced polyolefin tube of ability of the anti-inside and outside pressure that can improve tubing is provided.
Another purpose of the present invention is to provide the preparation method of above-mentioned glass fiber reinforced polyolefin tube.
A further object of the invention is to provide the application of above-mentioned glass fiber reinforced polyolefin tube.
Above-mentioned purpose of the present invention is achieved by the following technical programs:
A kind of glass fiber reinforced polyolefin tube comprises three-decker, is followed successively by from inside to outside glass improved polyalkene layer, continuous glass-fiber winding enhancement layer and polyolefin layer.
Glass fiber reinforced polyolefin tube of the present invention also can be five-layer structure, is followed successively by from inside to outside glass improved polyalkene layer, interior heat-fusing glue layer, continuous glass-fiber winding enhancement layer, external hot melting glue-line and polyolefin layer.
As a kind of preferred version, in the glass fiber reinforced polyolefin tube of the present invention, the glass in the described glass improved polyalkene layer is roving glass fiber or short glass fiber; The glass that described continuous glass-fiber twines in the enhancement layer is roving glass fiber, and monofilament diameter is 11 ~ 13 μ m.
As a kind of preferred version, in the glass fiber reinforced polyolefin tube of the present invention, described glass improved polyalkene layer is polyethylene or the polypropylene layer of glass modification; Described polyolefin layer is polyethylene or polypropylene layer.
As a kind of preferred version, in the glass fiber reinforced polyolefin tube of the present invention, the thickness of described external hot melting glue-line and interior heat-fusing glue layer is 0.1 ~ 0.2mm.
The preparation method of three layers of glass fiber reinforced polyolefin tube of the present invention comprises the steps:
(1) the oven dry glass to surface active, carry out coupling processing, add affinity agent, plastify granulation with the polyolefin pipe PP Pipe Compound, the gained pellet forms glass improved polyalkene layer through fully dry through extruding;
(2) apply one deck hot melt adhesive at the continuous glass-fiber surface uniform, heating makes hot melt adhesive softening, continuous winding glass improved polyalkene layer surface, and the webbed continuous glass-fiber of shape twines enhancement layer;
(3) twine the enhancement layer surface at continuous glass-fiber and extrude one deck polyolefin pipe PP Pipe Compound formation polyolefin layer, through the cooling cutting, obtain three layers glass fiber reinforced polyolefin tube.
As a kind of preferred version, among the above-mentioned preparation method, during the glass of preparation described in the step (1) improved polyalkene layer, the content of described glass is 20 ~ 25wt%; The temperature of described plasticizing granulation is 170 ~ 215 ℃; The thickness of hot melt adhesive is 0.1 ~ 0.15mm described in the step (2), and heating-up temperature is 140 ℃.
The preparation method of five layers of glass fiber reinforced polyolefin tube of the present invention comprises the steps:
(1) the oven dry glass to surface active, carry out coupling processing, add affinity agent, plastify granulation with the polyolefin pipe PP Pipe Compound, the gained pellet forms glass improved polyalkene layer through fully dry through extruding;
(2) glass improved polyalkene layer surface through extrude form in heat-fusing glue layer;
(3) the glass continuous winding is surperficial at glass improved polyalkene layer, the webbed continuous glass-fiber of shape twines enhancement layer;
(4) twine the enhancement layer surface at continuous glass-fiber and extrude formation external hot melting glue-line;
(5) at last outside the heat-fusing glue layer surface extrude one deck polyolefin pipe PP Pipe Compound, form polyolefin layer, through the cooling cutting, obtain five layers glass fiber reinforced polyolefin tube.
As a kind of preferred version, among the above-mentioned preparation method, during the glass of preparation described in the step (1) improved polyalkene layer, the content of described glass is 30wt%; The temperature of described plasticizing granulation is 185 ~ 215 ℃; The thickness of the inside and outside heat-fusing glue layer in step (2) and the step (4) is 0.15mm.
Glass fiber reinforced polyolefin tube of the present invention is applicable to carry that water, industrial sewage discharging are carried, the conveying of industrial Korrosionsmedium etc., also is applicable to the conveying of high pressure industrial media.
Compared with prior art, the present invention has following beneficial effect:
The present invention has also made specially continuous glass-fiber and has twined enhancement layer by adding glass fibre to strengthen the intensity of tubing in the polyolefin pipe PP Pipe Compound, has greatly strengthened the working pressure of tubing, more is fit to the conveying of high pressure industrial media.
Embodiment
Further explain the present invention below in conjunction with embodiment, but embodiment does not do any type of restriction to the present invention.
Embodiment's 1 glass strengthens the preparation of three-layer polypropylene pipeline
(1) making of glass modified polypropene modified materials: glass is dried first surface active; then coupling agent, affinity agent, oiling agent etc. are plastified granulation together with the polypropylene material at double screw extruder; glass fiber content 20%(weight); the tablet machine temperature is controlled at 180 ~ 215 ℃; the extruder rotating speed is controlled at 30Hz; pellet is through abundant dried for standby after the granulation, and this modified materials tensile strength 55MPa, heat distortion temperature are 145 ℃ after testing.
(2) continuous glass-fiber applies a layer thickness in the hot melt adhesive of 0.1mm through the Special coating glue die head at the glass surface uniform under the drive of tractor, 115 ℃ of the softening points of hot melt adhesive, glass and polypropylene material are had good cohesive force, after testing to glass adhesive strength 2600N, to polypropylene adhesive strength 3150N.
(3) making of three layers of pipeline of fiber glass reinforced polypropylene: with fully dry glass modified materials, 85 ℃ of drying temperatures, time 3h extrudes the formation internal layer through extruder; Under the drive of traction, arrive the glass winding zone, continuous glass-fiber is with one width 0.5mm, under the drive of equipment and through heating plant, 140 ℃ of heating-up temperatures, after making glass surface heat melten gel softening, uniformly with 45° angle degree continuous winding in the internal layer tube surfaces, then under another equipment drives, again twine and make the glass winding layer reticulate uniform winding to form the mesosphere on the internal layer surface; Then under the drive of traction, enter outer polypropylene material and extrude the zone, evenly extrude one deck Polypropylene for Pipes in interlayer surfaces and form skin, by fully cooling cutting, produce qualified glass glass and strengthen the three-layer polypropylene pipeline.
Embodiment's 2 glasses strengthen the preparation of three-layer polyethylene pipeline
(1) making of glass modified poly ethylene modified materials: glass is dried first surface active; then coupling agent, affinity agent, oiling agent etc. are plastified granulation together with the polypropylene material at double screw extruder; glass fiber content 25%(weight); the tablet machine temperature is controlled at 175-210 ℃; the extruder rotating speed is controlled at 35Hz; pellet is through abundant dried for standby after the granulation, and this modified materials tensile strength 50MPa, heat distortion temperature are 138 ℃ after testing.
(2) continuous glass-fiber applies a layer thickness in the hot melt adhesive of 0.15mm through the Special coating glue die head at the glass surface uniform under the drive of tractor, 115 ℃ of the softening points of hot melt adhesive, glass and polythene material are had good cohesive force, after testing to glass adhesive strength 2600N, to polyethylene adhesive strength 3400N.
(3) making of three layers of pipeline of glass enhanced polyethylene: with fully dry glass modified materials, 85 ℃ of drying temperatures, are extruded the formation internal layer through extruder at 3 hours time; Under the drive of traction, arrive the glass winding zone, continuous glass-fiber is with one width 0.5mm, under the drive of equipment and through heating plant, 140 ℃ of heating-up temperatures, after making glass surface heat melten gel softening, uniformly with 45° angle degree continuous winding in the internal layer tube surfaces, then under another equipment drives, again twine and make the glass winding layer reticulate uniform winding to form the mesosphere on the internal layer surface; Then under the drive of traction, enter outer polypropylene material and extrude the zone, evenly extrude one deck Polypropylene for Pipes in interlayer surfaces and form skin, by fully cooling cutting, produce qualified glass and strengthen the three-layer polyethylene pipeline.
Embodiment's 3 glasses strengthen five strata propylene pipelines
(1) making of glass modified polypropene modified materials: glass is dried first surface active; then coupling agent, affinity agent, oiling agent etc. are plastified granulation together with the polypropylene material at double screw extruder; glass fiber content 30%(weight); the tablet machine temperature is controlled at 185-215 ℃; the extruder rotating speed is controlled at 30Hz; pellet is through abundant dried for standby after the granulation, and this modified materials tensile strength 65MPa, heat distortion temperature are 152 ℃ after testing.
(2) making of five layers of pipeline of fiber glass reinforced polypropylene: with fully dry glass modified materials, 85 ℃ of drying temperatures, 3 hours time, extruding the formation internal layer through extruder is the glass modified layer, then form one deck heat-fusing glue layer, hot melt adhesive thickness 0.15mm on the internal layer surface through extruding; Under the drive of traction, arrive the glass winding zone, continuous glass-fiber is with one width 0.5mm, under the drive of equipment uniformly with 45° angle degree continuous winding in the tube surfaces with hot melt adhesive, then under another equipment drives, again twine make the glass winding layer reticulate uniform winding form in the middle of winding layer; Then twining the fiberglass layer surface through extruding formation one deck heat-fusing glue layer, under the drive of traction, enter outer polypropylene material at last and extrude the zone, evenly extrude one deck Polypropylene for Pipes and form skin, by fully cooling cutting, produce qualified glass and strengthen five strata propylene pipelines.
Three embodiments' Performance Ratio is more as shown in table 1 below:
Table 1
| Product performance relatively | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Adhesion strength N | To glass adhesive strength 2600N, to polypropylene adhesive strength 3150N | To glass adhesive strength 2600N, to polyethylene adhesive strength 3400N | To glass adhesive strength 2600N, to polypropylene adhesive strength 3150N |
| 20 ℃ of hydraulic pressure test instant blasting circumference stress MPa | 40 | 35 | 42 |
| Heat distortion temperature ℃ | 145 | 138 | 152 |
| Flattening test (being depressed into 1/2 flawless) | Qualified | Qualified | Qualified |
Claims (2)
1. a glass fiber reinforced polyolefin tube is followed successively by glass improved polyalkene layer, continuous glass-fiber winding enhancement layer and polyolefin layer from inside to outside;
Wherein, the continuous glass-fiber of described glass fiber reinforced polyolefin tube winding enhancement layer both sides also comprise interior heat-fusing glue layer and external hot melting glue-line;
Glass in the described glass improved polyalkene layer is roving glass fiber or short glass fiber; The glass that described continuous glass-fiber twines in the enhancement layer is roving glass fiber, and monofilament diameter is 11 ~ 13 μ m;
Described glass improved polyalkene layer is polyethylene or the polypropylene layer of glass modification; Described polyolefin layer is polyethylene or polypropylene layer;
The thickness of described external hot melting glue-line and interior heat-fusing glue layer is 0.1 ~ 0.2mm;
It is characterized in that, the preparation method of described glass fiber reinforced polyolefin tube comprises the steps:
(1) the oven dry glass to surface active, carry out coupling processing, add affinity agent, plastify granulation with the polyolefin pipe PP Pipe Compound, the gained pellet forms glass improved polyalkene layer through fully dry through extruding;
(2) apply one deck hot melt adhesive at the continuous glass-fiber surface uniform, heating makes hot melt adhesive softening, continuous winding glass improved polyalkene layer surface, and the webbed continuous glass-fiber of shape twines enhancement layer;
(3) twine the enhancement layer surface at continuous glass-fiber and extrude one deck polyolefin pipe PP Pipe Compound formation polyolefin layer, through the cooling cutting, obtain three layers glass fiber reinforced polyolefin tube.
2. the preparation method of described glass fiber reinforced polyolefin tube according to claim 1, when it is characterized in that the glass of preparation described in the step (1) improved polyalkene layer, the content of described glass is 20 ~ 25wt%; The temperature of described plasticizing granulation is 170 ~ 215 ℃; The thickness of hot melt adhesive is 0.1 ~ 0.15mm described in the step (2), and heating-up temperature is 140 ℃.
3. a glass fiber reinforced polyolefin tube is followed successively by glass improved polyalkene layer, continuous glass-fiber winding enhancement layer and polyolefin layer from inside to outside;
Wherein, the continuous glass-fiber of described glass fiber reinforced polyolefin tube winding enhancement layer both sides also comprise interior heat-fusing glue layer and external hot melting glue-line;
Glass in the described glass improved polyalkene layer is roving glass fiber or short glass fiber; The glass that described continuous glass-fiber twines in the enhancement layer is roving glass fiber, and monofilament diameter is 11 ~ 13 μ m;
Described glass improved polyalkene layer is polyethylene or the polypropylene layer of glass modification; Described polyolefin layer is polyethylene or polypropylene layer;
The thickness of described external hot melting glue-line and interior heat-fusing glue layer is 0.1 ~ 0.2mm;
It is characterized in that, the preparation method of described glass fiber reinforced polyolefin tube comprises the steps:
(1) the oven dry glass to surface active, carry out coupling processing, add affinity agent, plastify granulation with the polyolefin pipe PP Pipe Compound, the gained pellet forms glass improved polyalkene layer through fully dry through extruding;
(2) glass improved polyalkene layer surface through extrude form in heat-fusing glue layer;
(3) the glass continuous winding is surperficial at glass improved polyalkene layer, the webbed continuous glass-fiber of shape twines enhancement layer;
(4) twine the enhancement layer surface at continuous glass-fiber and extrude formation external hot melting glue-line;
(5) at last outside the heat-fusing glue layer surface extrude one deck polyolefin pipe PP Pipe Compound, form polyolefin layer, through the cooling cutting, obtain five layers glass fiber reinforced polyolefin tube.
4. the preparation method of described glass fiber reinforced polyolefin tube according to claim 3, when it is characterized in that the glass of preparation described in the step (1) improved polyalkene layer, the content of described glass is 30wt%; The temperature of described plasticizing granulation is 185 ~ 215 ℃; The thickness of the inside and outside heat-fusing glue layer in step (2) and the step (4) is 0.15mm.
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| CN 201110061484 CN102252138B (en) | 2011-03-15 | 2011-03-15 | Glass fiber reinforced polyolefin tube and preparation method and application thereof |
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| CN105289109A (en) * | 2014-07-28 | 2016-02-03 | 苏州托普斯环保科技有限公司 | Filtering material and preparation method thereof |
| CN112096973B (en) * | 2020-09-16 | 2022-05-17 | 山东东宏管业股份有限公司 | Steel wire mesh framework reinforced polypropylene composite pipe and preparation method and application thereof |
| CN113085227B (en) * | 2021-03-19 | 2023-03-28 | 南京联塑科技实业有限公司 | Novel glass fiber reinforced composite hollow wall winding pipe and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2934834Y (en) * | 2006-07-24 | 2007-08-15 | 夏成文 | Glass fiber reinforced polypropene composite tube with reinforcement layer for cold and hot water |
| CN101927574A (en) * | 2009-12-30 | 2010-12-29 | 上海英泰塑胶有限公司 | Manufacturing method of isomorphous structural self-bonding glass fiber reinforced plastic pipe |
| CN201715113U (en) * | 2009-12-17 | 2011-01-19 | 李志雄 | Hot melting connection oxygen resistance composite metal tube |
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| JPH074877B2 (en) * | 1990-11-30 | 1995-01-25 | 積水化学工業株式会社 | Method for manufacturing fiber-reinforced resin pipe |
| JP2004262957A (en) * | 2003-01-30 | 2004-09-24 | Mitsubishi Plastics Ind Ltd | Hot melt ultraviolet-crosslinkable transparent pressure-sensitive adhesive, transparent pressure-sensitive adhesive sheet and laminate |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2934834Y (en) * | 2006-07-24 | 2007-08-15 | 夏成文 | Glass fiber reinforced polypropene composite tube with reinforcement layer for cold and hot water |
| CN201715113U (en) * | 2009-12-17 | 2011-01-19 | 李志雄 | Hot melting connection oxygen resistance composite metal tube |
| CN101927574A (en) * | 2009-12-30 | 2010-12-29 | 上海英泰塑胶有限公司 | Manufacturing method of isomorphous structural self-bonding glass fiber reinforced plastic pipe |
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| JP平4-201547A 1992.07.22 |
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