CN104844902A - High-strength anti-scraping silane crosslinked polyethylene insulation composite and preparation method thereof - Google Patents
High-strength anti-scraping silane crosslinked polyethylene insulation composite and preparation method thereof Download PDFInfo
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- CN104844902A CN104844902A CN201510208069.8A CN201510208069A CN104844902A CN 104844902 A CN104844902 A CN 104844902A CN 201510208069 A CN201510208069 A CN 201510208069A CN 104844902 A CN104844902 A CN 104844902A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/08—Crosslinking by silane
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- Polymers & Plastics (AREA)
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- Organic Insulating Materials (AREA)
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Abstract
The invention discloses a high-strength anti-scraping silane crosslinked polyethylene insulation composite. The composite is characterized by being produced through raw materials of, by weight part, 120 to 150 of low-density polyethylene resin, 2 to 4 of linear phenol-formaldehyde resin, 3 to 5 of boron nitride, 1 to 2 of nanometer aluminum alloy, 10 to 15 of talcum powder, 5 to 10 basalt powder, 2 to 3 of polypropylene glycol, 0.3 to 0.5 of diphenyl-methane-diisocyanate, 0.3 to 0.5 of triglycidyl isocyanurate, 2 to 4 of magnesium stearate, 3 to 5 of palm oil and 3 to 6 of silane complexing agents. The composite has the advantages of being good in strength and toughness, good in weather resistance and anti-corrosion performance, high good in anti-scraping and anti-scratching performances, good in use performance and wide in application range.
Description
Technical field
The present invention relates to field of compound material, be specifically related to a kind of high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material and preparation method thereof.
Background technology
Polyethylene production is large, abundance, cheap, be a kind of broad-spectrum resin.But poly consistency is low, weathering resistance and mechanical property Shortcomings, over-all properties is poor, needs improving SNR.Wherein, carrying out cross-linking modified to polyethylene is one of important means improving polyethylene performance, can improve the mechanical property of polyethylene products, chemical resistance and resistance to cracking energy etc., widen poly range of application.
Polyethylene crosslinking technology comprises radiation crosslinking, peroxide crosslinking, crosslinked with silicane etc., and wherein organosilane crosslinked polyethylene has that processing unit is simple, the feature of flexible and convenient operation, good economy performance, is paid close attention to widely and payes attention to.Organosilane crosslinked polyethylene has good insulating property, in being mainly used in, the production of low tension wire, cable, has good market outlook and high economic benefit.Along with further developing of the market requirement, silane crosslinked polyethylene also needs the defect improving the aspect such as mechanical property, weathering resistance further, and develop skill index, thus meets the particular requirement of every field.
Summary of the invention
The object of this invention is to provide a kind of high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material, mechanical property, weathering resistance are good, applied range.
The present invention is achieved by the following technical solutions:
A kind of high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material, it is obtained by the raw material of following weight parts:
Ldpe resin 120-150, linear phenolic resin 2-4, boron nitride 3-5, nano aluminium oxide 1-2, talcum powder 10-15, basalt powder 5-10, polypropylene glycol 2-3, diphenylmethanediisocyanate 0.3-0.5, isocyanuric acid three-glycidyl ester 0.3-0.5, Magnesium Stearate 2-4, plam oil 3-5, silane recombiner 3-6;
Wherein silane recombiner is obtained by the raw material of following weight parts: silane coupling A-151 1-3, fluorocarbon surfactant FC-4430 0.2-0.4, dicumyl peroxide 0.05-0.1, dibutyl tin laurate 0.1-0.2, antioxidant 1010 0.2-0.5; Preparation method is by the mixing of silane coupling A-151, dicumyl peroxide, dibutyl tin laurate and antioxidant 1010 and 200-400r/min adds fluorocarbon surfactant FC-443 600-800r/min stirring 3-5min again after stirring 10-15min, to obtain final product.
A preparation method for high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material, comprises the following steps:
(1) talcum powder and basalt powder are mixed rear 400-600 DEG C of process 1-2h, be ground to 600-800 order after cooling, after mixing with nano aluminium oxide and boron nitride, obtain mixed fillers;
(2) polypropylene glycol is added vacuum-drying 0.5-1h in reactor, then temperature is adjusted to 70-80 DEG C, and add diphenylmethanediisocyanate 200-400r/min stirring reaction 2-4h under vacuum condition, obtain base polyurethane prepolymer for use as;
(3) add linear phenolic resin after being mixed with the base polyurethane prepolymer for use as in (2) by the mixed fillers in (1), stir 1-2h prior to 800-1000r/min, then add isocyanuric acid three-glycidyl ester and the common ball milling 2-4h of plam oil, obtain modified filler;
(4) first the modified filler in (3) is mixed with ldpe resin, add all the other raw materials again and mix 5-10min under 80-90 DEG C of condition in high-speed mixer, melt extrude finally by twin screw extruder 165-195 DEG C, granulation, packaging, obtain high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material.
Advantage of the present invention is:
The present invention is cross-linked polyvinyl resin by fluorocarbon surfactant and the composite silane recombiner of silane coupling agent, improve the weathering resistance of matrix material, water tolerance, by base polyurethane prepolymer for use as and resol, composite modified process is carried out to filler simultaneously, both the toughness of filler had been improved, be conducive to the tensile property improving matrix material, turn improve the consistency between filler and matrix, filler is uniformly dispersed in resin, play the effect of reinforcement increase-volume, improve the physical strength of matrix material; Pass through the composite of all the other raw materials simultaneously, make the organosilane crosslinked polyethylene insulation matrix material obtained have good intensity, toughness, weathering resistance and water-fast, corrosion resistance nature good, there is high strength and good scrape resistant, scratch resistant performance simultaneously, use properties is good, has wide range of applications.
Embodiment
Non-limiting examples of the present invention is as follows:
A kind of high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material, is prepared from by the component raw material of following weight (kg):
Ldpe resin 140, linear phenolic resin 3, boron nitride 4, nano aluminium oxide 1.5, talcum powder 12, basalt powder 8, polypropylene glycol 2.5, diphenylmethanediisocyanate 0.4, isocyanuric acid three-glycidyl ester 0.4, Magnesium Stearate 3, plam oil 4, silane recombiner 5;
Wherein silane recombiner is obtained by the component raw material of following weight (kg): silane coupling A-151 2, fluorocarbon surfactant FC-4430 0.3, dicumyl peroxide 0.08, dibutyl tin laurate 0.15, antioxidant 1010 0.4; Preparation method is by the mixing of silane coupling A-151, dicumyl peroxide, dibutyl tin laurate and antioxidant 1010 and 200r/min adds fluorocarbon surfactant FC-443 800r/min stirring 3min again after stirring 15min, to obtain final product.
The preparation method of high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material comprises the following steps:
(1) talcum powder and basalt powder are mixed rear 600 DEG C of process 1h, be ground to 800 orders after cooling, after mixing with nano aluminium oxide and boron nitride, obtain mixed fillers;
(2) polypropylene glycol is added vacuum-drying 0.5h in reactor, then temperature is adjusted to 80 DEG C, and add diphenylmethanediisocyanate 400r/min stirring reaction 2h under vacuum condition, obtain base polyurethane prepolymer for use as;
(3) add linear phenolic resin after being mixed with the base polyurethane prepolymer for use as in (2) by the mixed fillers in (1), stir 1h prior to 1000r/min, then add isocyanuric acid three-glycidyl ester and the common ball milling 2h of plam oil, obtain modified filler;
(4) first the modified filler in (3) is mixed with ldpe resin, add all the other raw materials again and mix 5min under 90 DEG C of conditions in high-speed mixer, melt extrude finally by twin screw extruder 165-195 DEG C, granulation, packaging, obtain high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material.
Carry out performance test to above-mentioned obtained matrix material, result is as shown in table 1:
Table 1 organosilane crosslinked polyethylene insulation composite property test result
| Numbering | Project | |
| 1 | Tensile strength (MPa) | 29.3MPa |
| 2 | Elongation at break (%) | 657 |
| 3 | Heat aging performance DEG C × h | 135×168 |
| 3.1 | Tensile strength velocity of variation (%) | +8 |
| 3.2 | Elongation at break velocity of variation (%) | -8 |
Claims (2)
1. a high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material, is characterized in that, it is obtained by the raw material of following weight parts:
Ldpe resin 120-150, linear phenolic resin 2-4, boron nitride 3-5, nano aluminium oxide 1-2, talcum powder 10-15, basalt powder 5-10, polypropylene glycol 2-3, diphenylmethanediisocyanate 0.3-0.5, isocyanuric acid three-glycidyl ester 0.3-0.5, Magnesium Stearate 2-4, plam oil 3-5, silane recombiner 3-6;
Described silane recombiner is obtained by the raw material of following weight parts: silane coupling A-151 1-3, fluorocarbon surfactant FC-4430 0.2-0.4, dicumyl peroxide 0.05-0.1, dibutyl tin laurate 0.1-0.2, antioxidant 1010 0.2-0.5; Preparation method is by the mixing of silane coupling A-151, dicumyl peroxide, dibutyl tin laurate and antioxidant 1010 and 200-400r/min adds fluorocarbon surfactant FC-443 600-800r/min stirring 3-5min again after stirring 10-15min, to obtain final product.
2. the preparation method of a kind of high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material according to claim 1, is characterized in that, comprise the following steps:
(1) talcum powder and basalt powder are mixed rear 400-600 DEG C of process 1-2h, be ground to 600-800 order after cooling, after mixing with nano aluminium oxide and boron nitride, obtain mixed fillers;
(2) polypropylene glycol is added vacuum-drying 0.5-1h in reactor, then temperature is adjusted to 70-80 DEG C, and add diphenylmethanediisocyanate 200-400r/min stirring reaction 2-4h under vacuum condition, obtain base polyurethane prepolymer for use as;
(3) add linear phenolic resin after being mixed with the base polyurethane prepolymer for use as in (2) by the mixed fillers in (1), stir 1-2h prior to 800-1000r/min, then add isocyanuric acid three-glycidyl ester and the common ball milling 2-4h of plam oil, obtain modified filler;
(4) first the modified filler in (3) is mixed with ldpe resin, add all the other raw materials again and mix 5-10min under 80-90 DEG C of condition in high-speed mixer, melt extrude finally by twin screw extruder 165-195 DEG C, granulation, packaging, obtain high strength scrape resistant organosilane crosslinked polyethylene insulation matrix material.
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| CN201510208069.8A CN104844902A (en) | 2015-04-28 | 2015-04-28 | High-strength anti-scraping silane crosslinked polyethylene insulation composite and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246950A (en) * | 2017-12-22 | 2018-07-06 | 临沂市海纳电子有限公司 | A kind of fried dough twist contact pin upset equipment automatically |
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| CN102827454A (en) * | 2012-08-28 | 2012-12-19 | 安徽双荣电器电缆有限公司 | Polyethylene insulated power cable for coal mines and preparation method thereof |
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2015
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| CN102532649A (en) * | 2010-12-24 | 2012-07-04 | 江苏亨通电力电缆有限公司 | Novel low-smoke halogen-free flame-retardant cable sheath material |
| CN102993537A (en) * | 2011-09-09 | 2013-03-27 | 滁州格美特科技有限公司 | Weather-proof flame retardation antistatic crosslinking polyethylene tubing, preparation method and application |
| CN102827454A (en) * | 2012-08-28 | 2012-12-19 | 安徽双荣电器电缆有限公司 | Polyethylene insulated power cable for coal mines and preparation method thereof |
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| CN104371188A (en) * | 2014-02-21 | 2015-02-25 | 解波 | High strength and high gloss recycled plastic and preparation method thereof |
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Application publication date: 20150819 |