CN103183857B - Recovery method containing PUR polyolefin pipe - Google Patents
Recovery method containing PUR polyolefin pipe Download PDFInfo
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- CN103183857B CN103183857B CN201110455326.XA CN201110455326A CN103183857B CN 103183857 B CN103183857 B CN 103183857B CN 201110455326 A CN201110455326 A CN 201110455326A CN 103183857 B CN103183857 B CN 103183857B
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- recovery
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- polyolefin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Processes Of Treating Macromolecular Substances (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The present invention provides a kind of recovery method containing PUR polyolefin pipe, including: by the non-irradiated recovery tubing containing PUR thermal contraction casing tube, adopting single screw rod banburying extruder pelletize again, namely banbury is after 100-150 DEG C of melt blending, then adopts single screw extrusion machine pelletize; Extrusion step: the recovery masterbatch that said method is obtained, add in corresponding outer layer polyolefin masterbatch in 0-15% ratio, the addition of described recovery masterbatch is not 0, after mechanical mixture, utilize single screw extrusion machine (joining corresponding mouth die, plug) to extrude at 100-150 DEG C, obtain extrusion single-walled pipe; Irradiation steps: extruding pipe material is at 2.0MeV energy above electron accelerator crosslinking with radiation, and irradiation dose is 7.0Mrad-15.0Mrad; Expansion step: after irradiation, tubing is at 100-150 DEG C, adopts vacuum expansion device or oil heating expansion device or plant equipment to expand 2-3 times, and cooling, sizing obtain crosslinking with radiation type thermal contraction casing tube product. Polyolefin pipe containing PUR can be reclaimed by method provided by the invention, to save cost.
Description
Technical field
The present invention relates to electric power material recovery Technology field, particularly to a kind of recovery method containing PUR polyolefin pipe.
Background technology
By the thermal contraction casing tube made by crosslinking with radiation type polyolefin, being widely used in the industrial circles such as electric power, electronics, chemical industry, continues and terminal region offer insulating protection in the centre being mainly electric wire. In automobile industry and other is to the strict many special occasions of seal request; often to use the thermal contraction casing tube containing PUR; its internal layer is hot melt adhesive layer; outer layer is polyolefin protective layer; double-layer heat shrinkable sheathing is when shrinking; outer layer shrinks, and inner glue layer fusing energy plays perfect ground sealing, thus is used widely.
But in prior art, do not provide the method that this thermal contraction casing tube is reclaimed.
Summary of the invention
The present invention provides a kind of recovery method containing PUR polyolefin pipe, to save cost.
To achieve these goals, the present invention provides techniques below scheme:
A kind of recovery masterbatch containing PUR polyolefin pipe, comprising:
Described is the non-irradiated recovery tubing containing PUR thermal contraction casing tube containing PUR polyolefin pipe.
Preferably, the described recovery masterbatch containing PUR polyolefin pipe, it is characterized in that, the described non-irradiated recovery tubing containing PUR thermal contraction casing tube, (internal layer is formed by inside and outside two-layer, namely PUR content is about 10%-50%), its ectomesoderm is made up of crosslinking with radiation type crystalline polyolefin, a kind of or arbitrarily several blend in HDPE (high density polyethylene (HDPE)), LDPE (Low Density Polyethylene), LLDPE (linear low density polyethylene), EVA (ethylene vinyl acetate) or EEA (EEA); Internal layer is made up of TPO PUR, such as the blend of EVA resin, tackifying resin, wax and stabilizer.
Preferably, described vistanex (PO) is the one or any several blends in HDPE, LDPE, LLDPE, the melt index 1-10.0g/10min of described vistanex;
Preferably, described fire retardant is magnesium hydroxide, aluminium hydroxide or both blends, order number >=3000 order of described fire retardant.
Preferably, described filler is calcium carbonate, Pulvis Talci or both blends.
A kind of recovery method containing PUR polyolefin pipe, it comprises the following steps:
Masterbatch procedure of processing: by the non-irradiated recovery tubing containing PUR thermal contraction casing tube, dispensing is formed by the ratio of weight and number of the component in technique scheme and each component, adopt single screw rod banburying extruder pelletize again, that is: with banbury after 100-150 DEG C of melt blending, then single screw extrusion machine pelletize is adopted;
Extrusion step: the recovery masterbatch that said method is obtained, add in corresponding outer layer polyolefin masterbatch in 0-15% ratio, the addition of described recovery masterbatch is not 0, after mechanical mixture, utilize single screw extrusion machine (joining corresponding mouth die, plug) to extrude at 100-150 DEG C, obtain extrusion single-walled pipe;
Irradiation steps: extruding pipe material is at 2.0MeV energy above electron accelerator crosslinking with radiation, and irradiation dose is 7.0Mrad-15.0Mrad;
Expansion step: after irradiation, tubing is at 100-150 DEG C, adopts vacuum expansion device or oil heating expansion device or plant equipment to expand 2-3 times, and cooling, sizing obtain crosslinking with radiation type thermal contraction casing tube product.
By implementing above technical scheme, having following technical effect that the polyolefin pipe containing PUR can be reclaimed by method provided by the invention, to save cost, the recovery method containing PUR polyolefin pipe is simple, it is easy to operation; Effectively reduce the cost risk of co-extrusion product; Directly or by a certain percentage add prepared thermal contraction casing tube product thermal contraction, machinery, electricity, fire-retardant, corrosion-resistant, solvent resistant etc. functional.
Detailed description of the invention
In order to be better understood from technical scheme, embodiment provided by the invention is described below in detail.
Embodiment 1:
According to ratio of weight and number, including:
Embodiment 2: according to ratio of weight and number, including:
Embodiment 3: according to ratio of weight and number, including:
The embodiment of the present invention provides a kind of recovery method containing PUR polyolefin pipe, it is characterised in that comprise the following steps:
Masterbatch procedure of processing: by the non-irradiated recovery tubing containing PUR thermal contraction casing tube, dispensing is formed by the component in above-described embodiment 1,2 or 3, adopt single screw rod banburying extruder pelletize again, it may be assumed that banbury is after 100-150 DEG C of melt blending, then adopts single screw extrusion machine pelletize;
Extrusion step: the recovery masterbatch that said method is obtained, add in corresponding outer layer polyolefin masterbatch in 0-15% ratio, the addition of described recovery masterbatch is not 0, after mechanical mixture, utilize single screw extrusion machine (joining corresponding mouth die, plug) to extrude at 100-150 DEG C, obtain extrusion single-walled pipe;
Irradiation steps: extruding pipe material is at 2.0MeV energy above electron accelerator crosslinking with radiation, and irradiation dose is 7.0Mrad-15.0Mrad;
Expansion step: after irradiation, tubing is at 100-150 DEG C, adopts vacuum expansion device or oil heating expansion device or plant equipment to expand 2-3 times, and cooling, sizing obtain crosslinking with radiation type thermal contraction casing tube product.
A kind of recovery method containing PUR the polyolefin pipe above embodiment of the present invention provided is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (6)
1. the recovery masterbatch containing PUR polyolefin pipe, it is characterised in that according to ratio of weight and number, including component:
Described is the non-irradiated recovery tubing containing PUR thermal contraction casing tube containing PUR polyolefin pipe.
2. the recovery masterbatch containing PUR polyolefin pipe as claimed in claim 1, it is characterized in that, the described non-irradiated recovery tubing containing PUR thermal contraction casing tube is made up of inside and outside two-layer, its ectomesoderm is made up of crosslinking with radiation type crystalline polyolefin, internal layer is made up of TPO PUR, and described TPO PUR is the blend of EVA resin, tackifying resin, wax and stabilizer.
3. the recovery masterbatch containing PUR polyolefin pipe as claimed in claim 1, it is characterised in that described vistanex is the one or any several blends in HDPE, LDPE, LLDPE, the melt index 1-10.0g/10min of described vistanex.
4. the recovery masterbatch containing PUR polyolefin pipe as claimed in claim 1, it is characterised in that described fire retardant is magnesium hydroxide, aluminium hydroxide or both blends, order number >=3000 order of described fire retardant.
5. the recovery masterbatch containing PUR polyolefin pipe as claimed in claim 1, it is characterised in that described filler is calcium carbonate, Pulvis Talci or both blends.
6. the recovery method containing PUR polyolefin pipe, it is characterised in that comprise the following steps:
Masterbatch procedure of processing: by the non-irradiated recovery tubing containing PUR thermal contraction casing tube, form dispensing by the ratio of weight and number of the component in the claims 1 and each component, adopts single screw rod banburying extruder pelletize again;
Extrusion step: the recovery masterbatch that said method is obtained, add in corresponding outer layer polyolefin masterbatch in 0-15% ratio, the addition of described recovery masterbatch is not 0, after mechanical mixture, utilize single screw extrusion machine, join corresponding mouth die, plug, extrude at 100-150 DEG C, obtain extrusion single-walled pipe;
Irradiation steps: extruding pipe material is at 2.0MeV energy above electron accelerator crosslinking with radiation, and irradiation dose is 7.0Mrad-15.0Mrad;
Expansion step: after irradiation, tubing is at 100-150 DEG C, adopts vacuum expansion device or oil heating expansion device or plant equipment to expand 2-3 times, and cooling, sizing obtain crosslinking with radiation type thermal contraction casing tube product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110455326.XA CN103183857B (en) | 2011-12-29 | 2011-12-29 | Recovery method containing PUR polyolefin pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110455326.XA CN103183857B (en) | 2011-12-29 | 2011-12-29 | Recovery method containing PUR polyolefin pipe |
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| Publication Number | Publication Date |
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| CN103183857A CN103183857A (en) | 2013-07-03 |
| CN103183857B true CN103183857B (en) | 2016-06-15 |
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| CN201110455326.XA Active CN103183857B (en) | 2011-12-29 | 2011-12-29 | Recovery method containing PUR polyolefin pipe |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859068A (en) * | 2015-03-06 | 2015-08-26 | 无锡龙舜实业有限公司 | Manufacturing process of novel high-density polyethylene HDPE single-wall threaded flexible pipe |
| CN104845401A (en) * | 2015-05-06 | 2015-08-19 | 无锡龙舜实业有限公司 | Manufacturing process of dual wall heat-shrinkable tube |
| CN105838298B (en) * | 2016-04-14 | 2017-11-10 | 上海政太纳米科技股份有限公司 | Electronic component fixation EVA hot-melt adhesive |
| CN107457463A (en) * | 2016-06-06 | 2017-12-12 | 上海涵普实业有限公司 | Pyrocondensation solder ring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177620A (en) * | 1997-07-17 | 1998-04-01 | 孙文明 | Coating material for surface-coating of plastic braided bag or paper bag |
| CN101798423A (en) * | 2010-03-25 | 2010-08-11 | 从化市聚赛龙工程塑料有限公司 | Modified composite material with waste polypropylene plastic as raw material and preparation method thereof |
| CN101962484A (en) * | 2010-09-28 | 2011-02-02 | 浙江中元枫叶管业有限公司 | Formula of PE (Poly Ethylene) wood plastic composite material of imitation wood grain surface and manufacture process thereof |
| CN102050983A (en) * | 2010-11-18 | 2011-05-11 | 天津市耀新科技发展有限公司 | Prestress plastic corrugated pipe and preparation method thereof |
| CN102276905A (en) * | 2010-06-13 | 2011-12-14 | 深圳市宏商材料科技股份有限公司 | Formulation of radiant cross-linked thermal-shrinked halogen-free fire-retardant identified casing product, and preparation method thereof |
-
2011
- 2011-12-29 CN CN201110455326.XA patent/CN103183857B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177620A (en) * | 1997-07-17 | 1998-04-01 | 孙文明 | Coating material for surface-coating of plastic braided bag or paper bag |
| CN101798423A (en) * | 2010-03-25 | 2010-08-11 | 从化市聚赛龙工程塑料有限公司 | Modified composite material with waste polypropylene plastic as raw material and preparation method thereof |
| CN102276905A (en) * | 2010-06-13 | 2011-12-14 | 深圳市宏商材料科技股份有限公司 | Formulation of radiant cross-linked thermal-shrinked halogen-free fire-retardant identified casing product, and preparation method thereof |
| CN101962484A (en) * | 2010-09-28 | 2011-02-02 | 浙江中元枫叶管业有限公司 | Formula of PE (Poly Ethylene) wood plastic composite material of imitation wood grain surface and manufacture process thereof |
| CN102050983A (en) * | 2010-11-18 | 2011-05-11 | 天津市耀新科技发展有限公司 | Prestress plastic corrugated pipe and preparation method thereof |
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| CN103183857A (en) | 2013-07-03 |
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Address after: 518000 Jinlong Avenue, Baolong Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: HONGSHANG HEAT SHRINKABLE MATERIALS Co.,Ltd. Address before: 2-3 building 7, building 9, 518000 Qilin Road, South Road, Bantian street, Longgang District, Guangdong, Shenzhen Patentee before: HONGSHANG HEAT SHRINKABLE MATERIALS Co.,Ltd. |
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