CN105524368B - A kind of robot cable special-purpose polychloroethylene sheath material and preparation method - Google Patents
A kind of robot cable special-purpose polychloroethylene sheath material and preparation method Download PDFInfo
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Abstract
The invention discloses a kind of robot cable special-purpose polychloroethylene sheath material, including following components in parts by weight：100 parts of Corvic, 60 90 parts of polyester plasticizer, 5 10 parts of epoxidized soybean oil, 10 40 parts of filler, 25 parts of compound stabilizer, 10 25 parts of compound flame retardant, 0.5 2 parts of lubricant, 15 parts of processing aid, 24 parts of pigment, and disclose preparation method.This material has excellent flexibility, oil resistivity and heat resistance, can be widely applied to have oil resistant flame-retardancy requirements and needs not stop mobile robot cable field.
Description
Technical field
The present invention relates to a kind of PVC sheath materials for being exclusively used in robot cable and preparation method thereof, belong to macromolecule
Material processing field.
Background technology
In cable sheath material field, environment protection PVC power cable protective cover material not only has excellent mechanical property, valency
Lattice are cheap, and environmental protection, already as trend of the times.The processing performance of existing environment protection PVC power cable protective cover material is poor,
Particularly when plasticizer consumption is larger, mixture is not easy to be processed；And durability is bad, is having oil and need to not stop to move back and forth
In the case of service life it is short.The plasticizer that traditional PVC sheath material uses is anti-to wave for Phthalic acids plasticizer
Hair property, resistance to migration and anti-extractable are poor.The stabilizer that traditional PVC sheath material uses has lead salt stabilizer, toxic
Not environmentally；Calcium-zinc composite stabilizing agent, stabilization efficiency is low, can only improve the stability of material by increasing additive amount.
Invention content
Processing performance of the invention for environment protection PVC power cable protective cover material in the prior art is poor, stabilizing agent dosage
Greatly, flame retarding efficiency is poor, be produced into product after durability it is poor the defects of, it is proposed that a kind of robot cable special-purpose polychloroethylene sheath
Material and preparation method thereof.
For achieving the above object, the present invention is achieved using following technical proposals：
A kind of robot cable special-purpose polychloroethylene sheath material includes the component of following parts by weight：Corvic
100 parts, 60-90 parts of polyester plasticizer, 5-10 parts of epoxidized soybean oil, 10-40 parts of filler, 2-5 parts of compound stabilizer, compounding resistance
Fire 10-25 parts of agent, 0.5-2 parts of lubricant, 1-5 parts of processing aid, 2-4 parts of pigment.
Preferred compound stabilizer includes Hinered phenols antioxidant, beta-diketon class synergistic stabilizer, calcium stearate, stearic acid
Zinc and hydrotalcite, mass ratio 1-2:2-3:2-5:8-12:20-25.
Preferred compound flame retardant includes antimony oxide, aluminium hydroxide and 3.5 hydrate zinc borates.
Preferred compound flame retardant hybrid technique is adds in antimony oxide, while add in antistatic in high-speed kneading machine
Agent high-speed cruising 2-5min, rotating speed 1000-1500r/min, then turn low speed operation, and rotating speed 100-300r/min is added in
Hyper-dispersant adds in 3.5 hydrate zinc borates and aluminium hydroxide after 2min, is shut down after high-speed cruising 5min, rotating speed 1000-1500r/
Min, and material is put into cold mixer and is cooled to room temperature for use.
Preferred antimony oxide, 3.5 hydrate zinc borates, aluminium hydroxide, antistatic agent, hyper-dispersant mass ratio be 200:
100:200:1-3:1-3。
Preferred antistatic agent is sodium alkyl sulfonate class surfactant；The hyper-dispersant disperses for polyacrylate
Agent.
The low molecular weight polyester that preferred polyester plasticizer is formed for aliphatic dibasic acid with dihydric alcohol polycondensation；The fat
Race's binary acid is adipic acid or decanedioic acid, and the dihydric alcohol is ethylene glycol, propylene glycol or butanediol.
Preferred Corvic is the uniform powder of polychloroethylene with high polymerization degree that average degree of polymerization is more than 2000；It is described
Filler be one or more of calcium carbonate, talcum powder, kaolin；The lubricant for stearic acid, polyethylene wax or
The one or more of oxidized polyethylene wax；The processing aid is acrylic acid esters co-polymer.
A kind of preparation method of robot cable special-purpose polychloroethylene sheath material of the present invention, comprises the steps of：
A it) mixes：Corvic, compound stabilizer, lubricant, pigment are added in into high-speed kneading according to weight proportion
In machine, mixed on low speed is uniform, rotating speed 100-300r/min, then adds in epoxidized soybean oil and switchs to mixed at high speed, rotating speed is
500--800r/min；Then, treat that material temperature reaches 70-80 DEG C of addition polyester plasticizer, the epoxidized soybean oil and polyester plasticizer
80 ± 10 DEG C are preheating to, treats that material temperature reaches 100 ± 5 DEG C of polyester plasticizers and fully absorbs, filler is added in and compound flame retardant mixes
It closes uniformly, material temperature reaches 125 ± 5 DEG C of addition processing aid mixing 3min, stops mixing after mixing, mixture is discharged into cold
To below 70 DEG C of material temperature in mixed machine；
B) extrusion molding：The cooling material mixed is discharged into double screw extruder and is squeezed out, then pass through Single screw extrusion
It is granulated；Double screw extruder temperature is 120-140 DEG C, and single screw extrusion machine temperature is 130-140 DEG C, and temperature of getting to know is 140 DEG C.
Compared with prior art, the advantages and positive effects of the present invention are：The present invention is based on polychloroethylene with high polymerization degree
Material using polyester plasticizer, compound stabilizer and compositional flame-retardant technology, is granulated through double screw extruder plasticizing.This material
With excellent comprehensive performance：Excellent flexibility, the test of cable cover(ing) resist bending is up to 50,000,000 times made of the material
More than；Excellent oil resistivity can be tested by 80 DEG C of * 1440H immersion oil；Excellent heat resistance, 105 DEG C of heat resisting temperature；Excellent
Mechanical property, excellent anti-flammability；It can be widely applied to that there are oil resistant flame-retardancy requirements and need not stop mobile robot cable
Field.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, embodiment makees the present invention below
It is further described.
The present invention provides a kind of high flexibility resist bending, oil resistant, fire-retardant robot cable special-purpose polychloroethylene sheath material,
Include the component of following parts by weight：100 parts of Corvic, 60-90 parts of polyester plasticizer, 5-10 parts of epoxidized soybean oil are filled out
Fill 10-40 parts of agent, 2-5 parts of compound stabilizer, 10-25 parts of compound flame retardant, 0.5-2 parts of lubricant, 1-5 parts of processing aid, face
2-4 parts of material.
Preferred compound stabilizer includes Hinered phenols antioxidant, beta-diketon class synergistic stabilizer, calcium stearate, stearic acid
Zinc and hydrotalcite, mass ratio 1-2:2-3:2-5:8-12:20-25.Inventor has found, using compound stabilizer of the present invention
Material made from quality proportioning is lower with better stablizing effect, cost.
Preferred compound flame retardant includes antimony oxide, aluminium hydroxide and 3.5 hydrate zinc borates.Hybrid technique is at a high speed
Antimony oxide is added in kneader, while adds in antistatic agent high-speed cruising 2-5min, rotating speed 1000-1500r/min, so
After turn low speed operation, rotating speed 100-300r/min adds in hyper-dispersant, adds in 3.5 hydrate zinc borates and aluminium hydroxide after 2min,
It is shut down after high-speed cruising 5min, rotating speed 1000-1500r/min, and material is put into cold mixer and is cooled to room temperature for use.Its
Middle antimony oxide, 3.5 hydrate zinc borates, aluminium hydroxide, antistatic agent, hyper-dispersant mass ratio be 200:100:200:1-3:
1-3.The wherein described antistatic agent is sodium alkyl sulfonate class surfactant；The hyper-dispersant disperses for polyacrylate
Agent.Inventor has found that the compound flame retardant prepared through this technique reduces the reunion of fire-retardant powder in process, is allowed to
Disperse in polyvinyl chloride evenly, flame retarding efficiency is improved, and cryogenic property is also promoted therewith.
The low molecular weight polyester that preferred polyester plasticizer is formed for aliphatic dibasic acid with dihydric alcohol polycondensation；The fat
Race's binary acid is adipic acid or decanedioic acid, and the dihydric alcohol is ethylene glycol, propylene glycol or butanediol.The polyester that the present invention uses increases
Moulding agent, volatility is low in process, is not easy to be extracted out by water, oil and other solvents, and migration is small in manufactured goods, resistance to
High temperature；So sheath material resist bending, oil resistance are strong made from polyester plasticizer, there is excellent durability.
The Corvic is the uniform powder of polychloroethylene with high polymerization degree that average degree of polymerization is more than 2000；It is described
Filler be one or more of calcium carbonate, talcum powder, kaolin；The lubricant for stearic acid, polyethylene wax or
The one or more of oxidized polyethylene wax；The processing aid is acrylic acid esters co-polymer.
A kind of preparation method of robot cable special-purpose polychloroethylene sheath material of the present invention, comprises the steps of：
1) it weighs：Each raw material is weighed by above-mentioned dosage relation.
2) it mixes：Corvic, compound stabilizer, lubricant, pigment are added in into high-speed kneading according to weight proportion
In machine, mixed on low speed is uniform, rotating speed 100-300r/min, then adds in epoxidized soybean oil and switchs to mixed at high speed, rotating speed is
500-800r/min；Then, treat that material temperature reaches 70-80 DEG C of addition polyester plasticizer, the epoxidized soybean oil and polyester plasticizer
80 ± 10 DEG C are preheating to, treats that material temperature reaches 100 ± 5 DEG C of polyester plasticizers and fully absorbs, filler is added in and compound flame retardant mixes
It closes uniformly, material temperature reaches 125 ± 5 DEG C of addition processing aid mixing 3min, stops mixing after mixing, mixture is discharged into cold
To below 70 DEG C of material temperature in mixed machine；
3) extrusion molding：The cooling material mixed is discharged into double screw extruder and is squeezed out, then pass through Single screw extrusion
It is granulated；Double screw extruder temperature is 120-140 DEG C, and single screw extrusion machine temperature is 130-140 DEG C, and temperature of getting to know is 140 DEG C.
4) it packs：Storage packaging.
Embodiment 1
A kind of robot cable special-purpose polychloroethylene sheath material of the present invention, raw material ratio are shown in Table 1,
In：Polyester plasticizer is hexanedioic acid polyester plasticizer, viscosity 3000mPa ﹒ s or so；Epoxidized soybean oil epoxide number >=6, iodine value≤
3.0；Filler is calcium carbonate；Compound stabilizer is antioxidant 1010, beta-diketon class synergistic stabilizer, calcium stearate, stearic acid
Zinc and hydrotalcite, mass ratio 1:2:5:12:20；Compound flame retardant is antimony oxide, 3.5 hydrate zinc borates, aluminium hydroxide, is resisted
Electrostatic agent, hyper-dispersant, mass ratio 200:100:200:3:3；Lubricant is stearic acid and oxidized polyethylene wax, and mass ratio is
1:1；Processing aid is acrylic acid esters co-polymer, and pigment is carbon black.
The hybrid technique of wherein compound flame retardant is as follows：100 parts of antimony oxide is added to high-speed kneading machine first
In, and 1.5 parts of antistatic agent high-speed cruising 3min, rotating speed 1200r/min are added in together, then turn low speed operation, rotating speed
For 100r/min, and add in 1.5 parts of hyper-dispersant, added in after 2min 50 parts 3.5 hydrate zinc borates and 100 parts of hydroxide
Aluminium, high-speed cruising are shut down after rotating speed 1200r/min, 5min, and material is put into cold mixer be cooled to room temperature it is for use.
The preparation method of the robot cable special-purpose polychloroethylene sheath material of the present invention includes the following steps：
1) it weighs：Each raw material is weighed by above-mentioned dosage relation.
2) it mixes：Load weighted Corvic, compound stabilizer, lubricant, pigment are added in into high-speed kneading first
In machine, mixed on low speed is uniform, rotating speed 200r/min, then adds in epoxidized soybean oil and switchs to mixed at high speed, rotating speed 600r/
min；Then, treat that material temperature reaches 80 DEG C of addition polyester plasticizers, wherein epoxidized soybean oil and polyester plasticizer should be heated in advance
80 DEG C, reach addition filler and compound flame retardant, uniform material temperature to be mixed after 100 DEG C of plasticizer fully absorb after material temperature and reach
125 DEG C add in processing aids, are uniformly mixed after 3min and stop mixing, material is discharged into cold mixer and is mixed to 70 DEG C of material temperature.
3) extruding pelletization：The material that cooling mixes is discharged into double screw extruder and is squeezed out, then pass through Single screw extrusion
It is granulated；Double screw extruder temperature is 120-140 DEG C, and single screw extrusion machine temperature is 130-140 DEG C, and temperature of getting to know is 140 DEG C.
4) it packs：Storage packaging.
Embodiment 2
A kind of high flexibility resist bending, oil resistant, fire-retardant robot cable special-purpose polychloroethylene sheath material described in this example,
Raw material ratio is shown in Table 1, wherein：Polyester plasticizer is hexanedioic acid polyester plasticizer, viscosity 3000mPa ﹒ s or so；Epoxy soybean
Oil ring oxygen value >=6, iodine value≤3.0；Filler is calcium carbonate；Compound stabilizer is Hinered phenols antioxidant, beta-diketon class synergistic
Stabilizer, calcium stearate, zinc stearate and hydrotalcite, mass ratio 2:3:2:8:25；Compound flame retardant for antimony oxide,
3.5 hydrate zinc borates, aluminium hydroxide, antistatic agent, hyper-dispersant, mass ratio 200:100:200:2:2；Lubricant is poly- for oxidation
Ethylene waxes, processing aid are acrylic acid esters co-polymer, and pigment is carbon black.
The hybrid technique of wherein compound flame retardant is as follows：100 parts of antimony oxide is added to high-speed kneading machine first
In, and 1 part of antistatic agent high-speed cruising 3min, rotating speed 1300r/min are added in together, then turn low speed operation, rotating speed is
200r/min, and add in 1 part of hyper-dispersant, added in after 2min 50 parts 3.5 hydrate zinc borates and 100 parts of aluminium hydroxide, it is high
Speed is run, and is shut down after rotating speed 1300r/min, 5min, and material is put into cold mixer and is cooled to room temperature for use.
High flexibility resist bending, oil resistant, fire-retardant robot cable special-purpose polychloroethylene sheath material preparation method include with
Lower step：
1) it weighs：Each raw material is weighed by above-mentioned dosage relation.
2) it mixes：Load weighted Corvic, compound stabilizer, lubricant, pigment are added in into high-speed kneading first
In machine, mixed on low speed is uniform, rotating speed 200r/min, then adds in epoxidized soybean oil and switchs to mixed at high speed, rotating speed 700r/
min；Then, treat that material temperature reaches 70 DEG C of addition polyester plasticizers, wherein epoxidized soybean oil and polyester plasticizer should be heated in advance
70 DEG C, reach addition filler and compound flame retardant, uniform material temperature to be mixed after 95 DEG C of plasticizer fully absorb after material temperature and reach
120 DEG C add in processing aids, are uniformly mixed after 3min and stop mixing, material is discharged into cold mixer and is mixed to 70 DEG C of material temperature.
3) extruding pelletization：The material that cooling mixes is discharged into double screw extruder and is squeezed out, then pass through Single screw extrusion
It is granulated；Double screw extruder temperature is 120-140 DEG C, and single screw extrusion machine temperature is 130-140 DEG C, and temperature of getting to know is 140 DEG C.
4) it packs：Storage packaging.
Comparative example 1：
A kind of robot cable special-purpose polychloroethylene sheath material described in this example, raw material ratio is shown in Table 1, wherein removing
Remaining outer raw material ratio of stabilizer is with embodiment 1, the difference is that the stabilizer described in the protective cover material is traditional Ca Zn composite
Stabilizer.
Compound flame retardant is prepared according to method as described in Example 1.
Polyvinyl chloride cable material is prepared according to method as described in Example 1.
Comparative example 2：
A kind of robot cable special-purpose polychloroethylene sheath material described in this example, raw material ratio are shown in Table 1, Central Plains
Material mixture ratio is with embodiment 1, the difference is that the fire retardant described in the protective cover material does not use compound flame retardant described in embodiment 1
Hybrid technique be pre-mixed, but be directly added into batch mixing.
Polyvinyl chloride cable material is prepared according to method as described in Example 1.
Comparative example 3：
A kind of robot cable special-purpose polychloroethylene sheath material described in this example, raw material ratio is shown in Table 1, wherein removing
Remaining outer raw material ratio of fire retardant is with embodiment 2, the difference is that the fire retardant described in the protective cover material is antimony oxide, and do not have
There is same embodiment 2 to be pre-mixed like that, but be directly added into during batch mixing.
Polyvinyl chloride cable material is prepared according to method as described in Example 2.
1. robot cable special-purpose polychloroethylene sheath material raw material ratio of table
By the polyvinyl chloride cable material obtained by 1-2 of the embodiment of the present invention and comparative example 1-3 and obtained by the CABLE MATERIALS
Cable tested, specific testing result is as shown in table 2：
Table 2 is the result shows that the polyvinyl chloride cable material each performance parameter of the invention prepared is excellent：
1st, it can be seen that from embodiment 1 and comparative example 1：The compound stabilizer for adding in the present invention is answered than adding in traditional calcium zinc
The heat-proof aging experiment effect for closing stabilizer is far better, adds in the tensile strength and extension at break of compound stabilizer of the present invention
Rate conservation rate is all 100% or so, and the stretching strength retentivity for adding in traditional calcium-zinc composite stabilizing agent is less than 75%, and fracture is stretched
Long rate conservation rate is less than 65%, and 105 DEG C of thermal ageing tests are unqualified；The cable heat resisting temperature that final production goes out is caused there was only 80
℃.Illustrate have synergistic complementation between each component in the compound stabilizer of the present invention, so as to more efficient.
2nd, it can be seen that from comparative example 2 and embodiment 1：From 25 parts of compound flame retardants without premixing are added in addition
The oxygen index (OI) of 25 parts of compound flame retardants by premixing has been increased to 31% from 28%, and -28 DEG C of brittle temperature is reduced to
- 32 DEG C.Skilled person will appreciate that：The flame retardant property of material is improved, conventional method is to improve the addition of fire retardant
Amount, but the cryogenic property of material will reduce therewith.And the present invention uses compound flame retardant technology, and passes through and specifically mix work
Skill reduces the reunion of fire-retardant powder in process, is allowed in polyvinyl chloride disperse evenly, so as to which flame retardant property obtains
Raising is arrived, while cryogenic property also gets a promotion.
3rd, it can be seen that from comparative example 3 and embodiment 2：From 25 parts of antimony oxides without premixing are added in addition
The oxygen index (OI) of 25 parts of compound flame retardants by premixing has been increased to 31% from 28%, illustrates in the present invention in compound flame retardant
Each component it is fire-retardant to material have synergistic effect, have to flame retarding efficiency and greatly promoted；From adding in 25 parts without premixing
Antimony oxide is reduced to -33 DEG C to -28 DEG C of brittle temperature for adding in 25 parts of compound flame retardants by premixing, together
When also illustrate that the hybrid technique of compound flame retardant in the present invention reduces the reunion of fire-retardant powder in process, material
Cryogenic property is greatly improved.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited；Although with reference to aforementioned reality
Example is applied the present invention is described in detail, it for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution recorded in example modifies or carries out equivalent replacement to which part technical characteristic；And these are changed or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (5)
1. a kind of robot cable special-purpose polychloroethylene sheath material, which is characterized in that include the component of following parts by weight：Polychlorostyrene
100 parts of vinyl, 60-90 parts of polyester plasticizer, 5-10 parts of epoxidized soybean oil, 10-40 parts of filler, compound stabilizer 2-5
Part, 10-25 parts of compound flame retardant, 0.5-2 parts of lubricant, 1-5 parts of processing aid, 2-4 parts of pigment；
The compound stabilizer include Hinered phenols antioxidant, beta-diketon class synergistic stabilizer, calcium stearate, zinc stearate and
Hydrotalcite, mass ratio 1-2:2-3:2-5:8-12:20-25；
The compound flame retardant includes antimony oxide, aluminium hydroxide and 3.5 hydrate zinc borates；
The compound flame retardant hybrid technique is adds in antimony oxide, while add in antistatic agent height in high-speed kneading machine
Speed operation 2-5min, rotating speed 1000-1500r/min, then turn low speed operation, and rotating speed 100-300r/min adds in oversubscription
Powder adds in 3.5 hydrate zinc borates and aluminium hydroxide after 2min, is shut down after high-speed cruising 5min, rotating speed 1000-1500r/min,
And material is put into cold mixer and is cooled to room temperature for use；
The antimony oxide, 3.5 hydrate zinc borates, aluminium hydroxide, antistatic agent, hyper-dispersant mass ratio be 200:100:
200:1-3:1-3；The antistatic agent is sodium alkyl sulfonate class surfactant；The hyper-dispersant is polyacrylate point
Powder.
2. a kind of robot cable special-purpose polychloroethylene sheath material according to claim 1, which is characterized in that described
The low molecular weight polyester that polyester plasticizer is formed for aliphatic dibasic acid with dihydric alcohol polycondensation；The aliphatic dibasic acid for oneself two
Acid or decanedioic acid, the dihydric alcohol are ethylene glycol, propylene glycol or butanediol；
The polyester plasticizer be hexanedioic acid polyester plasticizer, viscosity 3000mPa ﹒ s.
3. a kind of robot cable special-purpose polychloroethylene sheath material according to claim 1, which is characterized in that described
Corvic is the uniform powder of polychloroethylene with high polymerization degree that average degree of polymerization is more than 2000；The filler is carbonic acid
One or more of calcium, talcum powder, kaolin.
4. a kind of robot cable special-purpose polychloroethylene sheath material according to claim 1, which is characterized in that described
Lubricant is the one or more of stearic acid, polyethylene wax or oxidized polyethylene wax；The processing aid is esters of acrylic acid
Copolymer.
5. a kind of preparation method of robot cable special-purpose polychloroethylene sheath material according to claim 1, feature
It is, comprises the steps of：
A）Mixing：Corvic, compound stabilizer, lubricant, pigment are added in high-speed kneading machine according to weight proportion,
Mixed on low speed is uniform, rotating speed 100-300r/min, then adds in epoxidized soybean oil and switchs to mixed at high speed, rotating speed 500-
800r/min；Then, treat that material temperature reaches 70-80 DEG C of addition polyester plasticizer, the epoxidized soybean oil and polyester plasticizer preheating
It to 80 ± 10 DEG C, treats that material temperature reaches 100 ± 5 DEG C of polyester plasticizers and fully absorbs, adds in filler and compound flame retardant mixing is equal
Even, material temperature reaches 125 ± 5 DEG C of addition processing aid mixing 3min, stops mixing after mixing, mixture is discharged into cold mixer
In to below 70 DEG C of material temperature；
B）Extrusion molding：The cooling material mixed is discharged into double screw extruder and is squeezed out, then be granulated by Single screw extrusion；
Double screw extruder temperature is 120-140 DEG C, and single screw extrusion machine temperature is 130-140 DEG C, and temperature of getting to know is 140 DEG C.
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| CN103897300A (en) * | 2014-04-11 | 2014-07-02 | 东莞市烨青电业有限公司 | Transparent PVC (polyvinyl chloride) heat stabilizer |
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