CN107778525B - A kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound - Google Patents

A kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound Download PDF

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CN107778525B
CN107778525B CN201711063293.8A CN201711063293A CN107778525B CN 107778525 B CN107778525 B CN 107778525B CN 201711063293 A CN201711063293 A CN 201711063293A CN 107778525 B CN107778525 B CN 107778525B
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cable
mass ratio
stabiliser compositions
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CN107778525A (en
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付建英
张珍一
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SHANDONG PROVINCE LINYI CITY SANFENG CHEMICAL INDUSTRY Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/13Phenols; Phenolates
    • C08K5/134Phenols containing ester groups
    • C08K5/1345Carboxylic esters of phenolcarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/13Phenols; Phenolates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/22Compounds containing nitrogen bound to another nitrogen atom
    • C08K5/24Derivatives of hydrazine
    • C08K5/25Carboxylic acid hydrazides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/36Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/37Thiols
    • C08K5/372Sulfides, e.g. R-(S)x-R'
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/36Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/37Thiols
    • C08K5/375Thiols containing six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/49Phosphorus-containing compounds
    • C08K5/51Phosphorus bound to oxygen
    • C08K5/52Phosphorus bound to oxygen only
    • C08K5/524Esters of phosphorous acids, e.g. of H3PO3
    • C08K5/526Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/202Applications use in electrical or conductive gadgets use in electrical wires or wirecoating

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention discloses a kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound.For the general deficiency of antioxidant effect that the dedicated material stabilizer of polyethylene wire and cable exists in the prior art, the stabiliser compositions carry out selection and the selection of mass ratio by the type to Hinered phenols stabilizer, phosphite-type stabilisers, thioesters stabilizer and acid absorbent, obtain a series of stabiliser compositions that can greatly improve polyethylene wire and cable PP Pipe Compound antioxygen stability.

Description

A kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound
Technical field
The invention belongs to chemical technology fields, are related to fine chemistry industry, and in particular to a kind of polyethylene wire and cable PP Pipe Compound Stabiliser compositions.
Background technique
Wire and cable product purpose is very extensive, is related to the industries such as electric power, communication, electrical equipment.Wire and cable PP Pipe Compound It is raw materials used mainly to have PE and PVC.PVC is relatively unstable to light and heat, has environmentally friendly hidden danger, and the developed countries such as America and Europe exist already Just forbid the beginning of the eighties using PVC insulated cable in pile and public place.China's relevant laws and regulations also want by explicit order Important building is asked to be forbidden to use polyvinyl chloride electrical wire and cable, it is necessary to low smoke, zero halogen cross-linking polyolefin insulation electric wire cable is used, with A large amount of dense smokes, chlorine, cause casualties when fire being avoided to occur.Communication cable generally also does insulating layer with HDPE, with LLDPE Do restrictive coating;Optical cable mainly uses HDPE and MDPE as protective cover material.
The ultraviolet light in oxygen and sunlight in air causes plastic material that thermal oxide or photooxidation reaction occurs, and is used in The polyolefine material physical mechanical property of wire and cable is deteriorated, and loses original function and use value in advance.The heat of wire and cable Oxidation-stabilized performance can be used to judge the service life of cable and optical cable.Oxidation induction period (OIT) is stabilization material oxytolerant Change the opposite measurement of the one kind decomposed, is a kind of evaluation to material settling outization level.By will be placed in added with the sample of stabilizer The high purity oxygen gas of specific temperature flows down, and measures from logical oxygen to the time interval between oxidation reaction, to determine the OIT of material.
Antioxidant makes an addition in plastic material the thermal oxide speed that can effectively inhibit or reduce plastics macromolecular, significantly prolongs The degradation of slow plastic material, ageing process, extend plastic products service life.The thermal oxide for testing electric wire and cable jacket material is steady Qualitative energy is extremely important, and the oxidation induction period of electric wire and cable jacket material is exactly an important finger for reacting phase thermo oxidative stability energy Mark identifies the service life of product and its quality of performance by the test of oxidation induction period.
The test equipment of oxidation induction period --- differential scanning calorimeter can accurately measure at a high speed the inoxidizability of material Energy.The thermal stability of sample is determined by the length of oxidation induction period time, the time, more long then thermo oxidative stability can be just Better.
In wire and cable PP Pipe Compound production process, on the one hand needs to select suitable plastics variety, on the other hand need Suitable stabilizer is added, to improve its oxidation induction period and service life.
In realizing process of the present invention, inventor's discovery is had the following problems: although the prior art mentions electric wire electricity Cable stabilizer, such as widely used stabiliser compositions antioxidant 215 of wire and cable manufacturer in the market, although also can be big Amplitude improves antioxygenic property, at high cost, using effect general defect big but there are additive amounts.
Summary of the invention
In order to solve the deficiencies in the prior art, an object of the present invention is to provide a kind of polyethylene wire and cable PP Pipe Compound Stabiliser compositions, the antioxygenic property of polyethylene wire and cable PP Pipe Compound can be greatly improved.
To achieve the goals above, the technical solution of the present invention is as follows:
A kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound are steady by Hinered phenols stabilizer, phosphorous acid esters Determine agent and thioesters stabilizer composition;The Hinered phenols stabilizer is AO-1, AO-6, and the phosphite-type stabilisers are PS-1, the thioesters stabilizer are TS-2;The mass ratio of described AO-1, AO-6, PS-1, TS-2 are 2~3:1:1:1~2.
A kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound are stablized by Hinered phenols stabilizer, thioesters Agent and acid absorbent composition;The Hinered phenols stabilizer is AO-1, AO-7, and the thioesters stabilizer is TS-2, the suction Sour agent is AC-1, AC-3 or AC-4;The mass ratio of described AO-1, TS-2 and AC-1 are the 3~12.5:1.5~4:1 or AO- 1, the mass ratio of TS-2 and AC-3 is 10:4:1 or the mass ratio of described AO-1, AO-7, TS-2 and AC-4 are 7.5:5:4:1.
A kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound are stablized by Hinered phenols stabilizer and thioesters Agent composition or Hinered phenols stabilizer and acid absorbent composition;The Hinered phenols stabilizer is AO-1, AO-4, AO-6, the sulphur It is TS-2 for esters stabilizer, the acid absorbent is AC-1;The mass ratio of the AO-4 and TS-2 be the 2:1 or AO-1, The mass ratio of AO-4 and TS-2 is 1:1:1 or the mass ratio of described AO-1, AO-6 and AC-1 are 5:4:1.
A kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound are steady by Hinered phenols stabilizer, phosphorous acid esters Determine agent, thioesters stabilizer and acid absorbent composition;The Hinered phenols stabilizer is AO-1, AO-8, the phosphorous acid esters Stabilizer is PS-1, PS-2, and the thioesters stabilizer is TS-2, and the acid absorbent is AC-1, AC-3;Described AO-1, PS- 1, the mass ratio of TS-2 and AC-1 is 7.5:2.5:4:1 or the mass ratio of described AO-8, PS-1, TS-2 and AC-1 are 7.5: The mass ratio of 2.5:4:1 or described AO-1, PS-1, TS-2 and AC-3 are 10:2.5:1.5:1 or described AO-1, PS-2, TS-2 Mass ratio with AC-3 is 10:2.5:1.5:1.
A kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound are steady by Hinered phenols stabilizer, phosphorous acid esters Determine agent and acid absorbent composition;The Hinered phenols stabilizer is AO-1, AO-8 and AO-6, and the phosphite-type stabilisers are PS-1, the acid absorbent are AC-3;The mass ratio of described AO-1, AO-8, AO-6, PS-1 and AC-3 are 5:5:2.5:1.5:1.
The composition that the existing common stabiliser compositions of polyethylene wire and cable are AO-1 and PS-1 mass ratio is 1:2, Its inoxidizability that can increase polyethylene wire and cable, however the present inventor by many experiments confirm, AO-1 with PS-1 mass ratio is that the secondary extrusion OIT parameter of the stabiliser compositions of 1:2 only has 9.3, and by Hinered phenols stabilizer, The selection that phosphite-type stabilisers, thioesters stabilizer and acid absorbent are selected and matched finds the stabilization of specific proportion Agent composition can greatly improve the secondary extrusion OIT parameter of stabiliser compositions, and the present invention is selected by many experiments The stabiliser compositions of the polyethylene wire and cable PP Pipe Compound of above-mentioned specific proportion, the secondary extrusion of the composition of these stabilizers OIT parameter 25 or more, enables to the antioxygenic property of polyethylene wire and cable to greatly improve.
The second object of the present invention is to provide a kind of polyethylene wire and cable PP Pipe Compound, including above stabilizer composition.
The invention has the benefit that
1. the present invention can protect melt index of polyethylene wire and cable PP Pipe Compound during repeated processing to stablize, instead The multiple melt index squeezed out three times is larger, and variation is small, and showing can be mentioned using stabiliser compositions of the invention significantly The processing stability of high density polyethylene wire and cable;And oxidation induction period is long, shows using stabiliser compositions of the invention The service life of polyethylene wire and cable can be greatly improved.
2. stabiliser compositions property of the invention is stablized, safe and non-toxic, easy to use, polyethylene electric wire electricity can be improved The stability of cable PP Pipe Compound in process extends its service life in use.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Hinered phenols stabilizer described herein, i.e. Hinered phenols antioxidant, refer to space hindered structure Phenolic compound.
Hinered phenols stabilizer is selected from following compound in the application:
Title: four [β-(the tertiary fourths of 3,5- bis- Base -4- hydroxy phenyl) propionic acid] pentaerythritol ester (referred to as: AO-1);
Title: two three second of contracting Glycol bis- [β-(3- tertiary butyl-4-hydroxy -5- aminomethyl phenyl) propionic esters] (referred to as: AO-2);
Title: β-(3,5- di-t-butyl -4- hydroxyl Phenyl) propionic acid n-octadecyl alcohol ester (referred to as: AO-3);
Title: 4,4' methylene bis (2,6 di t butyl phenol) (referred to as: AO-4);
Title: the bis- [3- (3,5- di-t-butyl -4- of N, N'- Hydroxy phenyl) propionyl] hydrazine (referred to as: AO-5);
Title: 2,2'- thiodiethyl Bis- [3- (3,5- di-t-butyl -4- hydroxyphenyl) propionic esters] (referred to as: AO-6);
Title: 2,6- di-t-butyl -4- sylvan (referred to as: AO-7);
Title: 4,4'- thiobis (6- tert-butyl -3- methylbenzene Phenol) (referred to as: AO-8).
Phosphite ester antioxidant described herein is a kind of polymer hydrogen that will be generated in thermo-oxidative ageing chain reaction Peroxide decomposes, and is allowed to generate deactivated compound, to terminate or delay the stabilizer of thermo-oxidative ageing.
The application phosphorous acid esters antioxidant is selected from following compound:
Title: phosphorous acid three (2,4- di-tert-butyl-phenyl) ester (referred to as: PS-1);
Title: bis- two phosphorous of (2,4- di-tert-butyl-phenyl) pentaerythrite Acid esters (referred to as: PS-2).
Thioesters stabilizer described herein, i.e. thioester antioxidant, thioesters stabilizer in the application Selected from following compound:
Title: thiodipropionic acid bis-dodecanol ester (referred to as: TS-1);
Title: the double octadecyls of thio-2 acid (referred to as: TS-2);
Title: (the 3- lauryl sulphur of pentaerythrite four For propionic ester) (referred to as: TS-3).
Acid absorbent in the application is selected from following compound: calcium stearate (referred to as: AC-1), zinc stearate is (referred to as: AC- 2), hydrotalcite (referred to as: AC-3), calcium carbonate (referred to as: AC-4), zinc oxide (referred to as: AC-5).
As background technique is introduced, the anti-oxidant of the dedicated material stabilizer of polyethylene wire and cable exists in the prior art The general deficiency of effect, in order to solve technical problem as above, present applicant proposes a kind of polyethylene wire and cable PP Pipe Compounds Stabiliser compositions.
A kind of exemplary embodiment of the application provides a kind of combination of stabilizers of polyethylene wire and cable PP Pipe Compound Object is made of Hinered phenols stabilizer, phosphite-type stabilisers and thioesters stabilizer;The Hinered phenols stabilizer is AO-1, AO-6, the phosphite-type stabilisers are PS-1, and the thioesters stabilizer is TS-2;The AO-1, AO-6, The mass ratio of PS-1, TS-2 are 2~3:1:1:1~2.The stabiliser compositions of the proportion can greatly improve polyethylene electric wire The oxidation induction period of cable, secondary extrusion OIT parameter is 25 or more.
Preferably, the mass ratio of described AO-1, AO-6, PS-1, TS-2 are 3:1:1:1.Polyethylene can be further increased The oxidation induction period of wire and cable, secondary extrusion OIT parameter is up to 32.1.
Second of exemplary embodiment of the application provides a kind of combination of stabilizers of polyethylene wire and cable PP Pipe Compound Object is made of Hinered phenols stabilizer, thioesters stabilizer and acid absorbent;The Hinered phenols stabilizer be AO-1, AO-7, The thioesters stabilizer is TS-2, and the acid absorbent is AC-1, AC-3 or AC-4;The matter of described AO-1, TS-2 and AC-1 Amount than be 3~12.5:1.5~4:1 the mass ratio of described AO-1, TS-2 and AC-3 are 10:4:1 or the AO-1, AO-7, The mass ratio of TS-2 and AC-4 is 7.5:5:4:1.The stabiliser compositions of the proportion can greatly improve polyethylene wire and cable Oxidation induction period, secondary extrusion OIT parameter is 25 or more.
Preferably, the mass ratio of described AO-1, TS-2 and AC-1 are 10:4:1 or 12.5:1.5:1 or described AO-1, TS- The mass ratio of 2 and AC-3 is 10:4:1 or the mass ratio of described AO-1, AO-7, TS-2 and AC-4 are 7.5:5:4:1.It can be into One step improves the oxidation induction period of polyethylene wire and cable, and secondary extrusion OIT parameter is up to 30 or more.
The third exemplary embodiment of the application provides a kind of combination of stabilizers of polyethylene wire and cable PP Pipe Compound Object, is made of Hinered phenols stabilizer and thioesters stabilizer or Hinered phenols stabilizer and acid absorbent form;It is described to be obstructed Phenol stabilizer is AO-1, AO-4, AO-6, and the thioesters stabilizer is TS-2, and the acid absorbent is AC-1;The AO-4 Mass ratio with TS-2 is 2:1 or the mass ratio of described AO-1, AO-4 and TS-2 are 1:1:1 or described AO-1, AO-6 and AC- 1 mass ratio is 5:4:1.The stabiliser compositions of the proportion can greatly improve the oxidation induction period of polyethylene wire and cable, Its secondary extrusion OIT parameter is 30 or more.
The 4th kind of exemplary embodiment of the application, provides a kind of combination of stabilizers of polyethylene wire and cable PP Pipe Compound Object is made of Hinered phenols stabilizer, phosphite-type stabilisers, thioesters stabilizer and acid absorbent;The Hinered phenols Stabilizer is AO-1, AO-8, and the phosphite-type stabilisers are PS-1, PS-2, and the thioesters stabilizer is TS-2, institute Stating acid absorbent is AC-1, AC-3;The mass ratio of described AO-1, PS-1, TS-2 and AC-1 be the 7.5:2.5:4:1 or AO-8, The mass ratio of PS-1, TS-2 and AC-1 are 7.5:2.5:4:1 or the mass ratio of described AO-1, PS-1, TS-2 and AC-3 are 10: The mass ratio of 2.5:1.5:1 or described AO-1, PS-2, TS-2 and AC-3 are 10:2.5:1.5:1.The combination of stabilizers of the proportion Object can greatly improve the oxidation induction period of polyethylene wire and cable, and secondary extrusion OIT parameter is 25 or more.
Preferably, the mass ratio of described AO-1, PS-1, TS-2 and AC-3 are 10:2.5:1.5:1 or described AO-1, PS- 2, the mass ratio of TS-2 and AC-3 is 10:2.5:1.5:1.The oxidation induction period of polyethylene wire and cable can be further increased, Its secondary extrusion OIT parameter is up to 32 or more.
The 5th kind of exemplary embodiment of the application, provides a kind of combination of stabilizers of polyethylene wire and cable PP Pipe Compound Object is made of Hinered phenols stabilizer, phosphite-type stabilisers and acid absorbent;The Hinered phenols stabilizer is AO-1, AO- 8 and AO-6, the phosphite-type stabilisers are PS-1, and the acid absorbent is AC-3;Described AO-1, AO-8, AO-6, PS-1 and The mass ratio of AC-3 is 5:5:2.5:1.5:1.The stabiliser compositions of the proportion can greatly improve polyethylene wire and cable Oxidation induction period, secondary extrusion OIT parameter is up to 34.1.
The composition that the existing common stabiliser compositions of polyethylene wire and cable are AO-1 and PS-1 mass ratio is 1:2, Its inoxidizability that can increase polyethylene wire and cable, however the present inventor by many experiments confirm, AO-1 with PS-1 mass ratio is that the secondary extrusion OIT parameter of the stabiliser compositions of 1:2 only has 9.3, and by Hinered phenols stabilizer, The selection that phosphite-type stabilisers, thioesters stabilizer and acid absorbent are selected and matched finds the stabilization of specific proportion Agent composition can greatly improve the secondary extrusion OIT parameter of stabiliser compositions, and the present invention is selected by many experiments The stabiliser compositions of the polyethylene wire and cable PP Pipe Compound of above-mentioned specific proportion, the secondary extrusion of the composition of these stabilizers OIT parameter 25 or more, enables to the antioxygenic property of polyethylene wire and cable to greatly improve.
Embodiment there is provided a kind of polyethylene wire and cable PP Pipe Compounds, including above stabilizer for the 6th kind of the application Composition.
Preferably, the 0.2%~0.4% of the stabiliser compositions polyethylene quality.
It detects the method for stabilizer or stabiliser compositions stablizing effect and steps are as follows:
(1) above stabilizer composition is uniformly mixed with 500 grams of wire and cable base-materials (polyethylene);
(2) extruding pelletization three times is carried out in double screw extruder, each extruding pelletization keeps sample about 50 grams;
(3) OIT, the melt index of each sample are tested respectively.
(4) OIT and melt index are analyzed.
The stabiliser compositions are as described above.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool The technical solution of the application is described in detail in the embodiment and comparative example of body.
By the stabilizer of different formulations by certain additive amount (using wire and cable PP Pipe Compound base-material as the quality percentage of radix Number, i.e., using polyethylene quality as the mass percent of radix) it is uniformly mixed with 500 grams of polyethylene powders, in double screw extruder Extruding pelletization, each extruding pelletization keep sample about 50 grams three times for middle progress;OIT, the melt index of each sample, formula are tested respectively It is as shown in table 1 with testing result, OIT and melt index are analyzed.
The OIT of the stabiliser compositions of 1 different formulations of table, melt index
By upper table 1 it is found that the secondary extrusion OIT parameter as conventional stabiliser compositions sample 1 only has 9.3, and match Fang Butong, secondary extrusion OIT parameter improvement effect are different, wherein the secondary extrusion OIT of sample 7~8,12~14,16~25 Parameter can reach 25 or more, especially can achieve 30 with the secondary extrusion OIT parameter of sample 7~8,13,16~20,23~25 More than, the wherein secondary extrusion OIT parameter highest of sample 25, up to 34.1.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (9)

1. a kind of polyethylene wire and cable PP Pipe Compound, characterized in that including stabiliser compositions, the stabiliser compositions are The mass ratio of AO-1, AO-6, PS-1, TS-2 are the composition of 2~3:1:1:1~2;
The AO-1 is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, and the AO-6 is 2,2'- sulphur Bis- [3- (3,5- di-t-butyl -4- hydroxyphenyl) propionic ester] for diethyl, the PS-1 is (2, the 4- di-tert-butyls of phosphorous acid three Base) ester, the TS-2 is the double octadecyls of thio-2 acid.
2. polyethylene wire and cable PP Pipe Compound as described in claim 1, characterized in that described AO-1, AO-6, PS-1, TS-2 Mass ratio be 3:1:1:1.
3. a kind of polyethylene wire and cable PP Pipe Compound, characterized in that including stabiliser compositions, the stabiliser compositions are The mass ratio of AO-1, TS-2 and AC-1 are that the mass ratio of 3~12.5:1.5~4:1 composition or AO-1, TS-2 and AC-3 are The composition that the composition of 10:4:1 or the mass ratio of AO-1, AO-7, TS-2 and AC-4 are 7.5:5:4:1;
The AO-1 is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, and the AO-7 is 2,6- bis- Tert-butyl -4- sylvan, the TS-2 are the double octadecyls of thio-2 acid, and the AC-1 is calcium stearate, and the AC-3 is Hydrotalcite, the AC-4 are calcium carbonate.
4. polyethylene wire and cable PP Pipe Compound as claimed in claim 3, characterized in that the matter of described AO-1, TS-2 and AC-1 Amount is 10:4:1 or described AO-1, AO- than the mass ratio for being 10:4:1 or 12.5:1.5:1 or described AO-1, TS-2 and AC-3 7, the mass ratio of TS-2 and AC-4 is 7.5:5:4:1.
5. a kind of polyethylene wire and cable PP Pipe Compound, characterized in that including stabiliser compositions, the stabiliser compositions are The composition that the mass ratio of composition or AO-1, AO-4 and TS-2 that the mass ratio of AO-4 and TS-2 is 2:1 is 1:1:1, or The mass ratio of AO-1, AO-6 and AC-1 are the composition of 5:4:1;
The AO-1 is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, AO-4 4,4'- methylene Bis- (2,6- DI-tert-butylphenol compounds), the AO-6 are the bis- [3- (3,5- di-t-butyl -4- hydroxyphenyl) third of 2,2'- thiodiethyl Acid esters], the TS-2 is the double octadecyls of thio-2 acid, and the AC-1 is calcium stearate.
6. a kind of polyethylene wire and cable PP Pipe Compound, characterized in that including stabiliser compositions, the stabiliser compositions are The mass ratio of AO-1, PS-1, TS-2 and AC-1 are the composition of 7.5:2.5:4:1 or the matter of AO-8, PS-1, TS-2 and AC-1 Amount is than the combination that the mass ratio of the composition or AO-1, PS-1, TS-2 and AC-3 that are 7.5:2.5:4:1 is 10:2.5:1.5:1 The mass ratio of object or AO-1, PS-2, TS-2 and AC-3 are the composition of 10:2.5:1.5:1;
The AO-1 is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, and the AO-8 is 4,4'- sulphur Dai Shuan (6- tert-butyl -3- methylphenol), the PS-1 are phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, and the PS-2 is double (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites, the TS-2 are the double octadecyls of thio-2 acid, the AC-1 For calcium stearate, the AC-3 is hydrotalcite.
7. polyethylene wire and cable PP Pipe Compound as claimed in claim 6, characterized in that described AO-1, PS-1, TS-2 and AC-3 Mass ratio be 10:2.5:1.5:1 or the mass ratio of described AO-1, PS-2, TS-2 and AC-3 are 10:2.5:1.5:1.
8. a kind of polyethylene wire and cable PP Pipe Compound, characterized in that including stabiliser compositions, the stabiliser compositions are The mass ratio of AO-1, AO-8, AO-6, PS-1 and AC-3 are the composition of 5:5:1.5:2.5:1;
The AO-1 is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, and the AO-8 is 4,4'- sulphur Dai Shuan (6- tert-butyl -3- methylphenol), the AO-6 are bis- [3- (3, the 5- di-t-butyl -4- oxybenzenes of 2,2'- thiodiethyl Base) propionic ester], the PS-1 is phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, and the AC-3 is hydrotalcite.
9. the polyethylene wire and cable PP Pipe Compound as described in claim 1~8 is any, characterized in that the stabiliser compositions It is the 0.2%~0.4% of polyethylene quality.
CN201711063293.8A 2017-11-02 2017-11-02 A kind of stabiliser compositions of polyethylene wire and cable PP Pipe Compound Active CN107778525B (en)

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