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.