CN1036091C - Pipe material made from plastic alloy double-composite modified reinforced fibre glass and manufacturing method thereof - Google Patents
Pipe material made from plastic alloy double-composite modified reinforced fibre glass and manufacturing method thereof Download PDFInfo
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- CN1036091C CN1036091C CN 94118765 CN94118765A CN1036091C CN 1036091 C CN1036091 C CN 1036091C CN 94118765 CN94118765 CN 94118765 CN 94118765 A CN94118765 A CN 94118765A CN 1036091 C CN1036091 C CN 1036091C
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Abstract
The present invention relates to a pipe made from plastic alloy double-composite modified glass fiber reinforced plastics, and a manufacturing method thereof. The pipe is compounded by an inner layer with high corrosion resistance, an intermediate glass fiber reinforced plastic layer with high strength, and an outer layer with corrosion resistance and shock resistance. The pipe integrates and enhances the good performance of thermoplastic resin and reinforced thermoplastic resin, and the pipe has good comprehensive performance of high corrosion resistance, high intensity, high rigidity, high punching resistance, long service life, etc. The pipe can replace a steel pipe to be widely used for transferring pipelines in petrochemical industry, and the service life is over 5 times longer than that of a steel pipe.
Description
The present invention relates to special engineering plastics tube material technical field, relate to a kind of tubing and manufacture method thereof that is composited by plastic alloy and glass fibre reinforced plastics specifically.
Now, in petrochemical industry, mining, machinery, electronics, brewage, the pipeline that industrial fields such as water supply and sewage still mainly use metallic steel not do, and metallic conduit is under abominable etching condition, as high pH value, high temperature, under the high temperature, easily cause corrosion, cause race, stomach, drip, accidents such as leakage bring the danger of great loss for the safety in production of industrial production, especially petrochemical industry, at present, for solving metallic steel tube material corrosion problems, people have adopted the multiple technologies means, and example increases anticorrosive coat in steel tube surface, apply the anti-oxygen phenolic aldehyde of special anticorrosive coating etc. at the steel pipe skin, adopt the chemical nickel phosphorus plating alloying technology on the oil pipe surface; The characteristic anodic protection technology of employing is arranged again and adopt resistant material to make lining of pipe line, or adopt stainless steel pipeline and earthenware duct to slow down rate of corrosion or the like.Having put down in writing a kind of in CN872102990 is main raw material by PE, doses part additive and filler and becomes modified plastics as raw material, drops in metal pipe, the pipe fitting mold, interior surface layers, fine top layer and corrosion prevention pipe line made up of full plastics Cheng not arranged.
At above all multiple anti-corrosion method that exemplifies such as thermal spraying anticorrosive paint, chemical nickel phosphorus plating closes many metal surfaces, also can play the degree of slowing down corrosion though adopt corrosion resistant material to make lining and aforesaid pipe line made up of full plastics or the like, but the petrochemical industry pipeline is pipeline length and arranges and complexity, these methods are at antiseptic power, intensity impact resistance, overall performance, executing dress technology working life considers with cost or the like overall target, all can not reach industrial gratifying degree, provide have highly corrosion resistant, high strength, long lifetime tubing is industrial expectation always.
Purpose of the present invention addresses the above problem exactly, and a kind of pipe material made from plastic alloy double-composite modified reinforced fibre glass with high corrosion resistance, high intensity long life is provided, and it is corrosion-resistant that this tubing has overcome single material plastic tube, but intensity is low; Though independent polyester or oxygen glass fibre reinforced plastics intensity are high, the problem of oil resistance deficiency.
Another object of the present invention just provides the manufacture method of a kind of high anti-corrosion, high strength, long-life pipe material made from plastic alloy double-composite modified reinforced fibre glass.
Two compound glass steel tubings of plastic alloy modification of the present invention are to reach to make its high strength with metalloid material, high rigidity, has the high molecular serial premium properties of heightization again, use the combination of thermoplastic resin thermosetting resin, adopt following three-decker design:
(1) internal layer is the height oil resistant, acid resistant alkali, the anti-corrosion layer of anti-number of chemical product;
(2) mesosphere is a high strength, the frp layer of high rigidity;
(3) skin is corrosion-resistant, high impact-resistant layer.
The compound tubing of the plastic alloy of three-decker design of the present invention and glass is achieved through the following technical measures:
(1) internal layer: internal layer is made up of for 1 part halogenation high polymer 100 (weight) part, 16 parts of stabilizers, 1 part of antioxidant, 5 parts of fire retardants, 3 parts of crosslinking agents and processing aid.
Halogenation high polymer wherein is made of CPVC50-60 (parts by weight), VCVDC20-30 part, CPE3-12 part and PVC8-12 part; Stabilizer is made of 3PbO5-6 parts by weight, 2PbO4-5 part weight; Antioxidant is a bisphenol-A; Fire retardant is Pb
2O
3, crosslinking agent is DCP2 part, RS1 part constitutes; Processing aid is ACR.
(2) skin: skin is made of adding chlorinated paraffin 4-8 part and PPA10-15 part on the interior layer formula basis.
(3) mesosphere: the mesosphere is made up of two groups of materials, and (A) group is by polyester resin (7901) 15-25 weight portion, superchlorination cyclohexanone 0.2-0.8 part, cobalt naphthenate 0.1-0.5 part, and alkali-free glass fibre 2.0-4.0 part constitutes; (B) group is by E
51Epoxy resin 12-17 weight portion, polyamide 2.0-3.0 part, first alkali containing glass fibre 25-35 part constitute.
The manufacture methodes of the two multiple modified glass steel visitor of plastic alloy of the present invention materials are made up of following process step, and accessory → kneading → granulation → extrude → twine → compound → heat treatment → secondary is compound → cutting → annealing → check → finished product.
Technological process is seen shown in the Figure of description 1:
Each step temperature controlling range in the above-mentioned flow process:
(1)80-100℃，100-120℃，140-160℃，160-180℃；
(2) 50 ± 10 ℃; (3) 15-30 ℃; (4) 15-30 ℃; (5) 60-80 ℃; (6) 80-100 ℃, 140-160 ℃, 160-180 ℃; (7) normal temperature; (8) 80-100 ℃.
Below flat manufacture method of the present invention is described further:
(1) interior layered material and outer layered material: two layered materials by separately formula rate weighing, are mediated in the high speed dispersion kneader respectively, and mediating temperature is 80-100 ℃, and the time is 5-6 minute, and it is standby to plastify granulation with 160-180 ℃ of condition of extrusion press respectively then.
(2) used 1 group and 2 groups of material of mesosphere, standby by required total amount weighing respectively.
(3) tube forming: two sieve spare extrusion presss of new usefulness, the machine class, the mouth mould, the Vacuum shaping subsidiary engine, compound Stetch Wrapping Machine, outer complex machine, after assembled group such as cutting machine get togather, four sections heating-up temperatures by extruder are respectively 80-100 ℃, 100-120 ℃, 140-160 ℃, 160-180 ℃ start machine after, starting first group twines complex machine and will flood one group of resin fibre and tighten solid matter and be listed as and be wrapped on the inner layer tube wall, reach after the certain thickness, start second group of compound Stetch Wrapping Machine, to flood (B) group resin glass fiber finishes and to tighten the solid matter row and be wound to and always now decide thickness, send into again in the heat treatment container, under 60-80 ℃ of temperature conditions, handled 30 minutes.
After last step is finished, be transferred to the crowded wiping mouthful mould place of outer complex extruder, the through port die cavity, outer compound intact, length cutting is on request delivered in the annealing box in batches, handles 45 minutes under 80-100 ℃ of condition, takes out the cooling check, is finished product.
Pipe material made from plastic alloy double-composite modified reinforced fibre glass of the present invention has following advantage:
1, high strength.Use the thermoplastic materials or the multiple thermoplastic plastic alloy of any single variety, its tensile strength all in easily 80MPa, and with glass fibre reinforced plastics compound after its tensile strength can reach more than the 220MPa, relevant a series of physical properties all are improved largely.Table 1 be tubing of the present invention with the property of the inside and outside PVC of circle and VPVC pipe and Glass Steel Tube with relatively.
2, high corrosion resistance.Use the glass fibre reinforced plastics of the interchangeable heat thermosetting resin of any single variety; its heat-resisting oil corrosivity is all lower; and with after the inside and outside two-layer compound of this plastic alloy; glass fibre reinforced plastics intensity led protect; remedied the function shortage that two class materials use separately, performance has utilized a series of premium properties of two class materials comprehensively.
3, the long lifetime, its life-span of the steel pipe of transfer oil about 5 months 10 years, can reach more than 50 years and put down the tubing of inventing usually working life.
Implement just:
Prepare burden by following internal layer mesosphere, outer layer formula: (all weight umbers)
(1) internal layer: halogenation high polymer 100 (CPVC60, VCVDC20 CPE10 PVC10)
Stabilizer 16 (3PbO 6, and 2PbO 5)
Antioxidant 1 (bisphenol-A)
Smoldering agent 5 (Pb
2O
3)
Crosslinking agent 3 (DCP
2, RS1)
Processing aid 1 (ACR)
(2) skin: on interior layer formula basis, add 5 parts of chlorination mountain tallows, PPA11 part.
(3) mesosphere:
1 group of alkyd resin (7901) 20
Cyclohexanone peroxide 0.4
Cobalt naphthenate 0.2
Alkali-free glass fibre 35
2 groups of E
51Epoxy resin 15
Polyamide 2.7
Unit's alkali containing glass fibre 30
By the technological process of aforesaid manufacture method operation, wherein kneading, granulation, extrude, heat treatment, each section temperature of annealing must be carried out in accordance with regulations.
By the tubing that above-mentioned prescription and the inventive method are made, its physical property and relatively see Table 1 with the performance of pvc pipe, VPVC and Glass Steel Tube
Subordinate list the key technical indexes and comparison
| Project | Unit | The index situation | |||
| This tubing | Pvc pipe UPVC manages both at home and abroad | Domestic and international Glass Steel Tube | |||
| 1, tensile strength | MPa | ≥220 | ≤50≤55 | 180～ 360 | The metal tensile machine |
| 2, compression strength | MPa | ≥170 | ≤50≤55 | 180～ 360 | GB1041-99 |
| 3, flexural strength | MPa | ≥220 | - | 180～ 360 | GB1042-79 |
| 4, hydraulic pressure strength (10MPa) | MPa | Do not have and ooze the phase | ≤1.8≤1.8 | Do not have and ooze the phase | GB6111-85 |
| 5, impact strength (30 ℃ of 1kg2m) | MPa | Dash not broken | - | Dash not broken | GB10002.1 -88 |
| 6, flame retarding (oxygen index method) | ％ | ≥50～57 | 37～50 | 24～34 | GB2406-80 |
| 7, Vicat softening point | ℃ | ≥88 | 70～80 | 100～ | GB4454-84 |
| 8, acetone soaks | No delamination crack-free | - | Softening swelling | GB4219-84 | |
| 9, oil resistance is drawn towards strength retention (80 ℃ of oil soak 1080b) | g/m 2 | ≥80 | Softening swelling | Softening swelling | GB1040-92 |
| 10, resistance to acids and bases (30%) H 2SO 4 (40％)HNO 3 (35％)HCL (40％)NaOH | g/m 2 | -0.03 +0.4 +1.68 -0.32 | - - - - | - - - - | GB4454-84 GB4454-84 GB4454-84 GB4454-84 |
Claims (6)
1, a kind of pipe material made from plastic alloy double-composite modified reinforced fibre glass, it is made of internal layer, mesosphere and skin, and internal layer is the anti-corrosion layer of height oil resistant, acid resistant alkali, anti-number of chemical product; The mesosphere is the frp layer of high strength, high rigidity; Skin is corrosion-resistant, high impact-resistant layer, it is characterized in that the formulation by weight of above-mentioned trilaminate material is respectively: inner layer material is made up of for 1 part 100 parts of halogenation high polymers, 16 parts of stabilizers, 1 part of antioxidant, 5 parts of fire retardants, 3 parts of crosslinking agents and processing aid; Cladding material adds that by the prescription of aforementioned inner layer material chlorinated paraffin 4-8 part and PPA10-15 part forms; The mesosphere is made up of two groups of materials: (A) group is made of polyester resin 15-25 part, cyclohexanone peroxide 0.2-0.8 part, cobalt naphthenate 0.1-0.5, alkali-free glass fibre 30-40 part; (B) group is by E
51Epoxy resin 12-17 part, polyamides fat 2.0-3.0 weight portion, alkali-free glass fibre 25-35 part constitute.
2, tubing according to claim 1 is characterized in that the halogenation high polymer in the inner layer material is made of CPVC50-60 part, VCVDC20-30 part, CPE3-12 part and PVC8-12 part; Stabilizer is made of 3PbO5-6 part and 2PbO4-5 part; Antioxidant is a bisphenol-A; Fire retardant is Pb
2O
3, crosslinking agent is by DCP2 part, and RS1 part constitutes; Processing aid is ACR.
3, a kind of pipe material made from plastic alloy double-composite modified reinforced fibre glass according to claim 1 is characterized in that internal layer, skin and mesosphere be made up of following parts by weight ratio:
Internal layer: halogenation high polymer 100 (CPVC60, VCVDC20, CPE10, PVC10)
Stabilizer 16 (3PbO 6, and 2PbO 5)
Antioxidant 1 (bisphenol-A)
Fire retardant 5 (Pb
2O
3)
Crosslinking agent 3 (DCP2, RS1)
Processing aid 1 (ACR)
Outer: as on interior layer formula basis, to add 5 parts of chlorinated paraffins, PPA11 part.
The mesosphere:
A organizes alkyd resin (7901) 20
Cyclohexanone peroxide 0.4
Cobalt naphthenate 0.2
Alkali-free glass fibre 35
B organizes E
51Epoxy resin 15
Polyamide 2.7
Alkali-free glass fibre 30
4, according to the manufacture method of the described made from plastic alloy double-composite modified glass tubing of claim 1 to 3, form by following process step: batching, kneading, granulation, extrude, finalize the design, winding, compound, heat treatment, secondary are compound, cutting, annealing, check, finished product, it is characterized in that wherein said batching forms by claim 1,2 prescriptions; Described kneading step is that temperature is to mediate 5-6 minute under 80-100 ℃ in the high speed dispersion kneader; Described granulation step is in 160-180 ℃ of plasticizing granulation down in extruder.
5, method according to claim 4 is characterized in that in the method, and four sections heating-up temperatures extruding are 80-100 ℃, 100-120 ℃, and 140-160 ℃, 160-180 ℃; Setting temperature is 40-60 ℃; The temperature of winding step is 15-30 ℃; Heat treatment temperature is 60-80 ℃; Outer squeeze that to wipe re-compounded temperature be 80-100 ℃, 100-120 ℃, 140-160 ℃, a 160-180 ℃ annealing steps temperature are 80-100 ℃.
6, preparation method according to claim 4, it is characterized in that in manufacture process, in the tube forming stage, to newly use two sieve sample extruders, head, the mouth mould, the Vacuum shaping subsidiary engine, compound Stetch Wrapping Machine, outer complex machine, after Assemblies such as cutting machine are intact, after starting main frame by four sections heating-up temperatures of extruder, the internal layer pellet is dropped into hopper, mix plasticizing through the heating of each section of machine barrel, behind Vacuum shaping, start first group twine glass tow that complex machine will flood (A) group resin closely arrangement be wrapped on the inner layer tube wall, after reaching predetermined thickness, start second group of compound Stetch Wrapping Machine, the tight arrangement of glass tow that to flood (B) group resin is wound to total predetermined thickness, sends in the annealer again and handles 30 minutes; Then tubing is transferred to the crowded wiping mouthful mould place of outer complex extruder, the through port mould is compound good with skin, length cutting on request, and extension set is delivered in the annealing box and was handled 45 minutes, takes out the cooling check, then is finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94118765 CN1036091C (en) | 1994-12-03 | 1994-12-03 | Pipe material made from plastic alloy double-composite modified reinforced fibre glass and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94118765 CN1036091C (en) | 1994-12-03 | 1994-12-03 | Pipe material made from plastic alloy double-composite modified reinforced fibre glass and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1111736A CN1111736A (en) | 1995-11-15 |
| CN1036091C true CN1036091C (en) | 1997-10-08 |
Family
ID=5038995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94118765 Expired - Fee Related CN1036091C (en) | 1994-12-03 | 1994-12-03 | Pipe material made from plastic alloy double-composite modified reinforced fibre glass and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1036091C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100509358C (en) * | 2003-04-24 | 2009-07-08 | 上海交通大学 | Continuous rolling shaping method of low-temperature thick wall GFRP tube |
| CN103131201A (en) * | 2011-12-05 | 2013-06-05 | 方笑尘 | Plastic glass composite material |
| EP2615137B2 (en) * | 2012-01-13 | 2018-03-28 | Georg Fischer DEKA GmbH | Polyvinyl chloride compound, tube, gutter or container, use of a PVC compound and use of a tube, gutter or container |
| CN105670234A (en) * | 2014-11-21 | 2016-06-15 | 富阳科信经济信息咨询有限公司 | Plastic fiber pipeline composite material and preparation method thereof |
| CN104953530A (en) * | 2015-07-06 | 2015-09-30 | 江苏圣通环境工程有限公司 | Sand glass reinforced plastic cable protection pipe and production method thereof |
| CN107940126B (en) * | 2017-12-12 | 2023-10-27 | 山东柏远复合材料科技股份有限公司 | Glass steel band reinforced thermoplastic resin winding pipe and preparation process thereof |
| CN109140101A (en) * | 2018-10-18 | 2019-01-04 | 中国化学工程第六建设有限公司 | Glass reinforced plastic pipe pipe fitting method |
-
1994
- 1994-12-03 CN CN 94118765 patent/CN1036091C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1111736A (en) | 1995-11-15 |
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