CN103183867A - Polyolefin moistureproof masterbatch and radiation crosslinking type heat shirnkable sleeving production technology - Google Patents
Polyolefin moistureproof masterbatch and radiation crosslinking type heat shirnkable sleeving production technology Download PDFInfo
- Publication number
- CN103183867A CN103183867A CN201110455446XA CN201110455446A CN103183867A CN 103183867 A CN103183867 A CN 103183867A CN 201110455446X A CN201110455446X A CN 201110455446XA CN 201110455446 A CN201110455446 A CN 201110455446A CN 103183867 A CN103183867 A CN 103183867A
- Authority
- CN
- China
- Prior art keywords
- masterbatch
- moistureproof
- polyolefine
- kinds
- crosslinking type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention provides polyolefin moistureproof masterbatch and a radiation crosslinking type heat shirnkable sleeving production technology, the polyolefin moistureproof masterbatch comprises the following components by weight: carrier resin, ultrafine calcium metal oxide, a coupling reagent, a lubricant, a dispersant and an antioxidant. The provided polyolefin moistureproof masterbatch reduces the sensibility of partial masterbatch on trace moisture and solves the moisture absorption problem of a heat shirnkable sleeving.
Description
Technical field
The present invention relates to the thermal contraction casing tube technical field, particularly the moistureproof masterbatch of a kind of polyolefine and radiation crosslinking type thermal contraction casing tube production technique.
Background technology
Under the higher weather condition of atmospheric moisture, nearly all product all can produce the too high problem of water content, concerning radiation crosslinking type thermal contraction casing tube product, the water content control of the masterbatch operation of pre-irradiation is most important, too high as the masterbatch water content, then can give to extrude to produce and bring unusually: gently then tube surfaces produces bubble, and heavy then tubing is cut the cross section, back open pore.
Generally speaking, in order to guarantee quality product, often adopt furnace drying method, so not only consuming time but also consume power, and cause the consumption of the energy, also need to increase corresponding drying unit.Can increase the production cost of enterprise undoubtedly.
Thereby be necessary to reduce the part masterbatch to the susceptibility of micro-moisture, to solve product moisture absorption problem.
Summary of the invention
The invention provides the moistureproof masterbatch of a kind of polyolefine and radiation crosslinking type thermal contraction casing tube production technique, reduced the susceptibility of part masterbatch to micro-moisture, solved the moisture absorption problem of thermal contraction casing tube.
To achieve these goals, the invention provides following technical scheme:
The moistureproof masterbatch of a kind of polyolefine, it comprises according to ratio of weight and number:
Preferably, described vector resin is the blend of EVA (ethylene-vinyl acetate copolymer), EEA (ethylene-ethyl acrylate copolymer), EMA (ethylene-methyl acrylate copolymer) or above-mentioned a kind of, any two kinds or three kinds, according to weight percent, VA among the described EVA (vinyl acetate between to for plastic) content is 5-15%, the content 5-15% of EA among the described EEA (acetate propylene), the content 5-20% of MA among the described EMA (formic acid propylene), melting index 3-10.0g/10min.
Preferably, calcium oxide content 〉=95% in the described ultrafine calcium metal oxide, the order number of described ultrafine calcium metal oxide 〉=1000 orders.
Preferably, described coupling agent is the blend of a kind of, any two kinds or three kinds in silane coupling agent, titanate coupling agent or the aluminate coupling agent.
Preferably, described lubricant is the blend of a kind of, any two kinds or three kinds in Zinic stearas, stearic acid or the polyethylene wax.
Preferably, described dispersion agent is stearic acid.
Preferably, described oxidation inhibitor is composite antioxidant, it is: Hinered phenols antioxidant [(2, three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether or four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester)] with auxiliary antioxidant [(two 12 carbon alcohol esters, two ten four carbon alcohols esters, two octadecanol ester, three monooctyl esters, three the last of the ten Heavenly stems ester, three (12 carbon alcohol) ester or three (16 carbon alcohol) ester] with 1: the mixture that ratio (1-2.5) is mixed.
The present invention also provides a kind of production technique of radiation crosslinking type thermal contraction casing tube, and it comprises step:
A, masterbatch procedure of processing:
A, with the coupling processing of ultrafine calcium metal oxide: the ultrafine calcium metal oxide is stirred in being preheating to 110-130 ℃ high speed kneader earlier, uncovered oven dry 10min, the coupling agent that adds metering at twice, each 3-4min at interval, the stearic acid that adds metering again, after stirring 3-4min, discharging gets final product;
The ratio of weight and number of b, the component that provides according to technique scheme, after the mixing of materials that the vector resin that proportioning is good, lubricant, oxidation inhibitor and above-mentioned steps a obtain, adopt single screw rod banburying forcing machine, carry out banburying and granulation (behind 100-150 ℃ of following melt blending, adopt the single screw extrusion machine granulation again), obtain the moistureproof masterbatch of polyolefine.
B, extrusion step: add to the moistureproof masterbatch of polyolefine that obtains as stated above in the irradiation crosslinking type polyolefin masterbatch of easy suction in the 0.5-3.0% ratio, after mechanically mixing, utilize single screw extrusion machine (joining corresponding mouthful of mould, plug) at 100-150 degree centigrade of following extruding pipe material;
C, irradiation steps: described extruding pipe material is crosslinked at the above energy electron radiation from machine of 2.0MeV, and irradiation dose is 7.0Mrad-12.0Mrad;
D, expansion step: tubing adopts vacuum expansion device or oil heating expansion device or mechanical means expansion 2-3 doubly behind the irradiation under 100-150 ℃, and cooling, typing obtain radiation crosslinking type thermal contraction casing tube product.
By implementing above technical scheme, has following technique effect: the invention provides the moistureproof masterbatch of polyolefine, easy to use, only need before extruding, it is simply mixed with the radiation crosslinking type polyolefine material of easy suction according to a certain percentage, can directly squeeze pipe uses, has popularity, use applicable to the radiation crosslinking type polyolefine material of multiple easy suction, the thermal contraction casing tube product that adds the moistureproof masterbatch production of polyolefine of the present invention has wet-hot aging performance well: 60 ℃, 95RH%, behind the 4h-10h, it is roasting non-foaming to take out fire; It is functional to add thermal contraction casing tube product thermal contraction that the moistureproof masterbatch of polyolefine of the present invention produces, machinery, electricity, fire-retardant, corrosion-resistant, salt spray resistance, anti-solvent etc.
Embodiment
Technical scheme is for a better understanding of the present invention described embodiment provided by the invention below in detail.
Embodiment 1:
The moistureproof masterbatch of this polyolefine comprises: 60 parts of ethylene-vinyl acetates (EVA), (VA content is 14% (weight), and melting index is 3.5g/10min); 20 parts of ethylene-ethyl acrylate copolymers (EEA), (EA content is 15% (weight), and melting index is 3.0g/10min); 70 parts of ultrafine calcium metal oxides, (calcium oxide content 〉=95%, order number 〉=1000 orders); 2 parts of titanate coupling agents; 5 parts of polyethylene waxs; 3 parts of stearic acid; 0.5 part of composite antioxidant (wherein four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester), 1.5 parts of three (12 carbon alcohol) esters))
Embodiment 2:
The moistureproof masterbatch of this polyolefine comprises: 75 parts of ethylene-vinyl acetates (EVA), (VA content is 14% (weight), and melting index is 3.5g/10min); 5 parts of ethylene-ethyl acrylate copolymers (EEA), (EA content is 15% (weight), and melting index is 3.0g/10min); 60 parts of ultrafine calcium metal oxides, (calcium oxide content 〉=95%, order number 〉=1000 orders); 2 parts of silane coupling agents; 2.5 parts of Zinic stearass; 2.5 parts of polyethylene waxs; 2.5 parts of stearic acid; 0.5 part of composite antioxidant (wherein four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester), 1.5 parts of three (12 carbon alcohol) esters))
Embodiment 3
The moistureproof masterbatch of this polyolefine comprises: the moistureproof masterbatch of this polyolefine comprises: 70 parts of ethylene-vinyl acetates (EVA), (VA content is 14% (weight), and melting index is 3.5g/10min); 10 parts of ethylene-methyl acrylate copolymers (EMA), (MA content is 10% (weight), and melting index is 3.0g/10min); 60 parts of ultrafine calcium metal oxides, (calcium oxide content 〉=95%, order number 〉=1000 orders); 2 parts of silane coupling agents; 2.5 parts of Zinic stearass; 2.5 parts of polyethylene waxs; 2.5 parts of stearic acid; 0.5 part of composite antioxidant (wherein four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester), 1.5 parts of three (12 carbon alcohol) esters))
The embodiment of the invention also provides a kind of production technique of radiation crosslinking type thermal contraction casing tube, and it comprises step:
A, masterbatch procedure of processing:
A, with the coupling processing of ultrafine calcium metal oxide: the ultrafine calcium metal oxide is stirred in being preheating to 110-130 ℃ high speed kneader earlier, uncovered oven dry 10min, the coupling agent that adds metering at twice, each 3-4min at interval, the stearic acid that adds metering again, after stirring 3-4min, discharging gets final product;
B, according to above-described embodiment 1,2 or 3 ratios of weight and number that each component is provided, after the mixing of materials that the vector resin that proportioning is good, lubricant, oxidation inhibitor and above-mentioned steps a obtain, adopt single screw rod banburying forcing machine, carry out banburying and granulation, obtain the moistureproof masterbatch of polyolefine.
B, extrusion step: the moistureproof masterbatch of polyolefine that obtains is as stated above added in the irradiation crosslinking type polyolefin masterbatch of easy suction in the 0.5-3.0% ratio, after mechanically mixing, utilize single screw extrusion machine, at 100-150 degree centigrade of following extruding pipe material;
C, irradiation steps: described extruding pipe material is crosslinked at the above energy electron radiation from machine of 2.0MeV, and irradiation dose is 7.0Mrad-12.0Mrad;
D, expansion step: tubing adopts vacuum expansion device or oil heating expansion device or mechanical means expansion 2-3 doubly behind the irradiation under 100-150 ℃, and cooling, typing obtain radiation crosslinking type thermal contraction casing tube product.
More than the moistureproof masterbatch of a kind of polyolefine and radiation crosslinking type thermal contraction casing tube production technique that the embodiment of the invention is provided be described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. the moistureproof masterbatch of polyolefine is characterized in that, according to ratio of weight and number, comprising:
2. the moistureproof masterbatch of polyolefine according to claim 1, it is characterized in that, described vector resin is the blend of EVA, EEA, EMA or above-mentioned a kind of, any two kinds or three kinds, according to weight percent, VA content is 5-15% among the described EVA, the content 5-15% of EA among the described EEA, the content 5-20% of MA among the described EMA, melting index 3-10.0g/10min.
3. the moistureproof masterbatch of polyolefine according to claim 1 is characterized in that calcium oxide content 〉=95% in the described ultrafine calcium metal oxide, the order number of described ultrafine calcium metal oxide 〉=1000 orders.
4. the moistureproof masterbatch of polyolefine according to claim 1 is characterized in that, described coupling agent is the blend of a kind of, any two kinds or three kinds in silane coupling agent, titanate coupling agent or the aluminate coupling agent.
5. the moistureproof masterbatch of polyolefine according to claim 1 is characterized in that, described lubricant is the blend of a kind of, any two kinds or three kinds in Zinic stearas, stearic acid or the polyethylene wax.
6. the moistureproof masterbatch of polyolefine according to claim 1 is characterized in that described dispersion agent is stearic acid.
7. the moistureproof masterbatch of polyolefine according to claim 1, it is characterized in that, described oxidation inhibitor is composite antioxidant, it is: Hinered phenols antioxidant [(2, three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether or four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester)] with auxiliary antioxidant [(two 12 carbon alcohol esters, two ten four carbon alcohols esters, two octadecanol esters, three monooctyl esters, three the last of the ten Heavenly stems ester, three (12 carbon alcohol) ester or three (16 carbon alcohol) ester] with 1: the mixture that ratio (1-2.5) is mixed.
8. the production technique of a radiation crosslinking type thermal contraction casing tube is characterized in that, comprises step:
A, masterbatch procedure of processing:
A, with the coupling processing of ultrafine calcium metal oxide: the ultrafine calcium metal oxide is stirred in being preheating to 110-130 ℃ high speed kneader earlier, uncovered oven dry 10min, the coupling agent that adds metering at twice, each 3-4min at interval, the stearic acid that adds metering again, after stirring 3-4min, discharging gets final product;
After b, the mixing of materials that obtains according to the good vector resin of claim 1 proportioning, lubricant, oxidation inhibitor and above-mentioned steps a, adopt single screw rod banburying forcing machine, carry out banburying and granulation, obtain the moistureproof masterbatch of polyolefine;
B, extrusion step: the moistureproof masterbatch of polyolefine that obtains is as stated above added in the 0.5-3.0% ratio in the irradiation crosslinking type polyolefin masterbatch of easy suction, after mechanically mixing, utilize single screw extrusion machine at 100-150 degree centigrade of following extruding pipe material;
C, irradiation steps: described extruding pipe material is crosslinked at the above energy electron radiation from machine of 2.0MeV, and irradiation dose is 7.0Mrad-12.0Mrad;
D, expansion step: tubing adopts vacuum expansion device or oil heating expansion device or mechanical means expansion 2-3 doubly, cooling, typing, the radiation crosslinking type thermal contraction casing tube product that obtains having moisture-proof function behind the irradiation under 100-150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110455446XA CN103183867A (en) | 2011-12-29 | 2011-12-29 | Polyolefin moistureproof masterbatch and radiation crosslinking type heat shirnkable sleeving production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110455446XA CN103183867A (en) | 2011-12-29 | 2011-12-29 | Polyolefin moistureproof masterbatch and radiation crosslinking type heat shirnkable sleeving production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103183867A true CN103183867A (en) | 2013-07-03 |
Family
ID=48675328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110455446XA Pending CN103183867A (en) | 2011-12-29 | 2011-12-29 | Polyolefin moistureproof masterbatch and radiation crosslinking type heat shirnkable sleeving production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103183867A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016019777A1 (en) * | 2014-08-07 | 2016-02-11 | Polyone-Shanghai, China | Masterbatch containing heat-sensitive functional additive |
| CN110283410A (en) * | 2018-03-19 | 2019-09-27 | 浙江省化工研究院有限公司 | A kind of preparation method of Kynoar thermal contraction casing tube |
| CN112208124A (en) * | 2019-07-09 | 2021-01-12 | 浙江迅发电力科技有限公司 | Processing technology for producing heat shrinkable tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919918A (en) * | 2006-09-07 | 2007-02-28 | 福建百事达生物材料有限公司 | Absorbent toughening masterbatch for plastic contour machining and preparation method thereof |
| CN101698719A (en) * | 2009-10-28 | 2010-04-28 | 江苏达胜热缩材料有限公司 | Medium and low pressure flame retardant single wall thermal shrinkage pipe and preparation method thereof |
-
2011
- 2011-12-29 CN CN201110455446XA patent/CN103183867A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919918A (en) * | 2006-09-07 | 2007-02-28 | 福建百事达生物材料有限公司 | Absorbent toughening masterbatch for plastic contour machining and preparation method thereof |
| CN101698719A (en) * | 2009-10-28 | 2010-04-28 | 江苏达胜热缩材料有限公司 | Medium and low pressure flame retardant single wall thermal shrinkage pipe and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016019777A1 (en) * | 2014-08-07 | 2016-02-11 | Polyone-Shanghai, China | Masterbatch containing heat-sensitive functional additive |
| US10093776B2 (en) | 2014-08-07 | 2018-10-09 | Polyone-Shanghai, China | Masterbatch containing heat-sensitive functional additive |
| CN110283410A (en) * | 2018-03-19 | 2019-09-27 | 浙江省化工研究院有限公司 | A kind of preparation method of Kynoar thermal contraction casing tube |
| CN112208124A (en) * | 2019-07-09 | 2021-01-12 | 浙江迅发电力科技有限公司 | Processing technology for producing heat shrinkable tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102558657B (en) | A kind of formula of dual-layer thermal shrinkage-chilling shrinkage composite sleeve and production technique thereof | |
| CN104262883A (en) | Low-smoke halogen-free flame-retardant silane crosslinked cable material capable of being crosslinked at room temperature and preparation method of cable material | |
| CN102977811A (en) | Halogen-free composite hot melt adhesive for double-wall heat shrinkable tubes and preparation method of holt melt adhesive | |
| WO2021114753A1 (en) | Silane cross-linked polyethylene insulation material having high carbon black content and good tracking resistance, and preparation method therefor | |
| CN103804940A (en) | Atmospheric pressure cold plasma modifying method for plant fiber and application of modifying method in wood-plastic composite material | |
| CN106009144A (en) | High-thermal-conductivity polyolefin resin based composite material and preparation method thereof | |
| CN103396599B (en) | Self-limiting heating cable polymer matrix PTC matrix material and preparation method thereof | |
| CN103183867A (en) | Polyolefin moistureproof masterbatch and radiation crosslinking type heat shirnkable sleeving production technology | |
| CN110776690A (en) | 105 ℃ B1-grade irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin elastomer insulating material and preparation method thereof | |
| CN109096610A (en) | A kind of low smell lightweight polypropylene composite material of automotive high-performance and its production method | |
| CN102863708B (en) | Modified renewable high impact polystyrene special material for household appliances and preparation method thereof | |
| CN103360986B (en) | A kind of high heat conduction solar components packaged material | |
| CN103524859B (en) | A kind of graphitiferous heat conduction polyethylene master batch and preparation method thereof and composition | |
| CN103694543A (en) | Silane self-crossing cable material prepared by physical blending method | |
| CN105034186A (en) | Preparation method of photovoltaic cable sheath layer material | |
| CN101891916A (en) | Peroxide crosslinked type semi-conductive screen material for crosslinked cable conductor | |
| CN102408649B (en) | Modified polyvinylidene fluoride material used for solar cell protective films and preparation method thereof | |
| CN109913153A (en) | A kind of solar photovoltaic assembly sealant and preparation method thereof | |
| CN103467901A (en) | Power cable protection pipe | |
| CN103059378B (en) | Magnetic levitation the feeder cable preparation of insulation cross-linked polyethylene composition and application thereof | |
| CN102898708A (en) | High-efficiency low-radiation dose irradiation crosslinking polyethylene insulation material and preparation method thereof | |
| CN104292592A (en) | Material for self-regulating heating/heat tracing cables and preparation method thereof | |
| CN107033519A (en) | It is a kind of for insulating materials of cable and preparation method thereof | |
| CN106750848A (en) | A kind of easily peelable semiconductive shieldin material and preparation method thereof | |
| CN105885173A (en) | Special master batch for silane crosslinking insulation material and preparation method of special master batch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130703 |