CN105175927B - A kind of inspection shaft PVC composition and preparation method thereof - Google Patents
A kind of inspection shaft PVC composition and preparation method thereof Download PDFInfo
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Abstract
A kind of inspection shaft PVC composition and preparation method thereof, belongs to PVC processing technique fields.Said composition is made up of the component of following parts by weight：It is made up of the component of following percetage by weight：Polyvinyl chloride composite 50 ~ 70%, acrylonitrile styrenebutadiene copolymer resin 20 ~ 30%, particle modified dose 10 ~ 20% of combined rigidity；Polyvinyl chloride composite is made up of the component of following parts by weight：100 parts of polyvinyl chloride resin, 5 ~ 8 parts of calcium zinc stabilizer, 1.5 ~ 3.5 parts of lubricant, 0.8 ~ 1.5 part of weather-proof modifying agent, 1 ~ 2 part of colouring agent；Particle modified dose of combined rigidity is AS resins and nano-calcium carbonate by weight 1:4 ~ 6 compound compounds.The composition of the present invention uses Rigid Particles Toughened, in the case where not reducing composition impact strength, substantially increases the ring stiffness and tensile strength of composition, and cost is cheap, and preparation method simplicity is controllable.
Description
Technical field
A kind of inspection shaft PVC composition and preparation method thereof, belongs to PVC processing technique fields.
Background technology
Inspection shaft is commonly called as " inspection shaft ", it is connected by buried with Urban Buried Pipeline Network, is that pipe network converges hinge, is easy to
Inspect periodically, clean and dredging pipeline, be the work station for preventing line clogging.It is every be equipped with feedwater, draining, telecommunications, electric power,
The place of the public pipeline facility such as combustion gas, heat supply, fire-fighting, environmental sanitation just needs installation check well.Due to traditional material brick, cement etc.
There is larger defect in the combination property of inspection shaft, for example, phenomena such as mortar leakiness between gap, general well body easily occurs in brick well
Just easily occur settling, collapse within 1 ~ 2 year after building up；For sewage inspection well, the seepage of " brick well " can also polluted underground water money
Source etc., therefore traditional inspection shaft far can not meet Modern Urban Development requirement.Existing many enterprises start production modeling at present
Expect inspection shaft, but plastic inspection well is used less, its reason have it is following some：First, traditional draining, blow-off pipe are usually to cast
Iron pipe or pipe of cement, and the brick well of pipe of cement generally use or cement well are more suitable；Secondly traditional draining, blow-off pipe manufacture
Installation cost is relatively low；Finally, plastic inspection well manufacturing cost is higher, the more difficult receiving in market.With with good combination property and
The plastic tube of environment-friendly function is widely applied as drainage pipeline, and the application of matched plastic inspection well is also more and more.
Plastic inspection well is substantially all using common PE ~ HD winding pipe or steel strip reinforced pipe etc. by welding manner system at present
It is standby, although being better than traditional inspection shaft, but have that to prepare trouble, welding position intensity defect and intensity (ring stiffness) low and apply
The problem of work inconvenience；And often impact property is not high for common PVC ~ U plastic inspection wells.Recently producer uses polypropylene (PP)
Inspection shaft is prepared by mold injection for raw material, this inspection shaft is easy to assembly, and structure is more reasonable, actually detected and use
In, there is the problem of intensity and cost again for common PP plastic inspection wells.Chinese patent CN102816370A discloses one kind
Super-large size plastic inspection shaft composite powder formula, its technology groups turn into, linear low density polyethylene resin 91 ~ 95%, antioxidant
3 ~ 3.9%, viscosity modifier 0.8 ~ 1.1%, reinforcing agent 1.2 ~ 4%, there is excellent physical and mechanical property, meets that professional standard will
Ask, but plastic wall thickness weight, cost are high.
For current existing inspection shaft plastics composite while preferable shock resistance is met, ring stiffness and stretching are strong
Degree performance is undesirable, can not meet the actual requirement of inspection shaft plastics.And the of a relatively high material of price is used as inspection
Well plastics are looked into, although the upper performance in rigidity-toughness balanced slightly improves, the amplitude improved is little, and in view of its cost
Relative rise does not possess the value of actual production.
The content of the invention
The technical problem to be solved in the present invention is：A kind of overcome the deficiencies in the prior art, there is provided inspection shaft PVC composition
And preparation method thereof, said composition uses Rigid Particles Toughened, in the case where not reducing composition impact strength, greatly improves
The ring stiffness and tensile strength of composition, and cost is cheap, and preparation method simplicity is controllable.
The technical scheme is that a kind of inspection shaft PVC composition, it is characterised in that by following percetage by weight
Component composition：Polyvinyl chloride composite 50 ~ 70%, acrylonitrile-styrene-butadiene copolymer resin 20 ~ 30%, combined rigidity grain
Sub- modifying agent 10 ~ 20%；
The polyvinyl chloride composite is made up of the component of following parts by weight：100 parts of polyvinyl chloride resin, calcium zinc stabilizer 5 ~ 8
Part, 1.5 ~ 3.5 parts of lubricant, 0.8 ~ 1.5 part of weather-proof modifying agent, 1 ~ 2 part of colouring agent；
Particle modified dose of the combined rigidity is AS resins and nano-calcium carbonate by weight 1:4 ~ 6 compound compounds.
Preferably, a kind of inspection shaft PVC composition, it is characterised in that：Polyvinyl chloride composite 50 ~ 70%, acrylonitrile-
Styrene butadiene copolymers resin 20 ~ 30%, particle modified dose 14 ~ 16% of combined rigidity；
The polyvinyl chloride composite is made up of the component of following parts by weight：100 parts of polyvinyl chloride resin, calcium zinc stabilizer 5 ~ 8
Part, 1.5 ~ 2.5 parts of lubricant, 0.8 ~ 1.2 part of weather-proof modifying agent, 1 ~ 1.5 part of colouring agent；
Particle modified dose of the combined rigidity is AS resins and nano-calcium carbonate by weight 1:4 compound.
Described polyvinyl chloride resin is the ethylene process polyvinyl chloride resin that the degree of polymerization is 600 ~ 800.
Described lubricant is two or three in stearic acid, stearate, microwax, Tissuemat E.
Described weather-proof modifying agent is light stabilizer UV-419 and antioxidant 1010 by weight 3：1 mixture.
Described colouring agent is titanium dioxide and carbon black by weight 5：1 mixture.
Butadiene component content is 40 ~ 50% in described acrylonitrile-styrene-butadiene copolymer resin.
The preparation method that particle modified dose of described combined rigidity is：AS resins, nano-calcium carbonate are weighed by weight；Will
AS resins are added in acetone, and stirring at normal temperatures makes it fully dissolve, and obtain the acetone soln that AS resins are solute；Then will
AS resins for solute acetone soln by being added in nano-calcium carbonate, mixed at high speed stirs 5 ~ 10 minutes, mixing temperature 60 ~ 80
DEG C acetone is volatilized, produce；Described AS resins are acrylonitritrile-styrene resin.
A kind of inspection shaft PVC composition and preparation method thereof, it is characterised in that adopt and be prepared by the following steps：
1）Particle modified dose of preparation of combined rigidity：AS resins, nano-calcium carbonate are weighed by weight；AS resins are added to
In acetone, stirring at normal temperatures makes it fully dissolve, and obtains the acetone soln that AS resins are solute；Then it is solute by AS resins
Acetone soln by being added in nano-calcium carbonate, mixed at high speed stirs 5 ~ 10 minutes, and 60 ~ 80 DEG C of mixing temperature waves acetone
Hair, is produced；
2）It is prepared by polyvinyl chloride composite：Polyvinyl chloride resin, calcium zinc stabilizer, lubricant, weather-proof modifying agent and colouring agent are pressed
Ratio weighs, and the stirring of high-speed mixer high speed is together put into, when temperature rises to 100 ~ 120 DEG C, by high-speed mixer
Compound, which is put into low speed mixer, stirs cooling, and temperature is down to 50 ~ 55 DEG C of dischargings；
3）By the polyvinyl chloride composite weighed according to percentage by weight, acrylonitrile-styrene-butadiene copolymer resin and
Particle modified dose of combined rigidity is together put into high-speed mixer high speed and is stirred 2 ~ 5min, releases mixed material；
4）Mixed material is added in double screw extruder or double/single screw extrusion machine, in 110 ~ 170 DEG C of temperature conditionss
Lower melt blending extrusion, is cut into pellet through plastic grain cutting machine and produces.
The description of the invention is as follows：The processing mode that particle modified dose of combined rigidity, the strong pole of calcium in nanometer calcium can be made
Property combines with polar resin AS so that calcium carbonate surface has uniformly coated one layer of AS resin, substantially increases carbonic acid
The compatibility of calcium and PVC matrix, and serve Rigid Particles Toughened effect.PVC of the rigid particles modifying agent in ABS toughness reinforcings
In, Rigid Particles Toughened effect is played in certain dosage, in the case where not reducing composition impact property, greatly improves group
The ring stiffness and tensile strength of compound.Combined rigidity particle under certain condition, can play toughening effect, because system toughness
Increase is the result of Rigid Particles Toughened, and Toughening By Non-elastomers, thus toughened system rigidly obtains larger raising, but system is rushed
Hitting performance does not reduce.The processing mode of particle modified dose of combined rigidity in the present invention is not the surface of simple inorganic particulate
Processing.AS resins are a kind of good fluidity, rigid high thermoplastic resin in itself, have good intermiscibility with polyvinyl chloride resin, use
AS solution handles nanometer calcium, not only increases its adhesion with polyvinyl chloride resin molecular interface, elimination boundary defect, and to body
It is that mobility plays certain improvement effect.Rigid particles can play when being well combined with resin boundary surface and improve impact flexibility
Effect.
Step 1 of the present invention is not used in the prior art）, and be total in PVC using direct plus nano calcium carbonate and AS resins
It is mixed, easily cause nanometer calcium and PVC is intermolecular, combination interface defect between nanometer calcium and AS molecular resins, so that blending material
The impact property of material declines.The present invention's uses AS resins with nano-calcium carbonate by weight 1:4 ~ 6 compound proportioning modes are
The best complex proportioning that applicant has found under study for action.AS resin demands cross conference and cause system impact strength decreased larger, from
And cause system that there is larger fragility；When AS resin demands are very few, the due effect of Rigid Particles Toughened can not be had again.
It is determined polyvinyl chloride composite 50 ~ 70% in the present invention, acrylonitrile-styrene-butadiene copolymer resin 20 ~
30%, the proportioning that particle modified dose 10 ~ 20% of combined rigidity.Applicant has found when acrylonitrile-styrene-butadiene is common under study for action
When percetage by weight shared by poly resin is less than 20%, the PVC composition toughening effect obtained is undesirable；And work as acrylonitrile-benzene second
It can then make composition cost significantly raised when alkene-butadiene copolymer resin addition is excessive, therefore applicant have determined that acrylonitrile-benzene
Ethylene-butylene copolymer resins addition can both play excellent toughness reinforcing, improve the effect of PVC composition mobility when being 20 ~ 30%
Fruit, and can control production cost.And applicant has found under study for action：When particle modified dose of dosage of combined rigidity is excessive, meeting
The system mechanical property of causing declines to a great extent, and dosage crosses the Toughening Condition for not reaching rigid particles modifying agent at least, does not have rigidity
Particle toughening effect.Determining particle modified dose of combined rigidity through applicant, shared percetage by weight is 10 in the composition
When ~ 20%, PVC composition can be made while obtain excellent mechanical property and toughening effect, PVC composition is obtained rigidity-toughness balanced
Effect.Butadiene component content is 40 ~ 50% in acrylonitrile-styrene-butadiene copolymer resin, can improve composition flowing
Performance and impact flexibility, the soft durometer of PVC mixture is adjusted, so that the rigid particles added play toughening effect.
Polyvinyl chloride resin used in the present invention is the ethylene process polyvinyl chloride resin of the degree of polymerization 600 ~ 800, belongs to oligomeric resin.It is oligomeric
Right Resin Flow is good, and plastic inspection well of the present invention is typically produced using injection molding manner, it is desirable to which composition must have certain
Mobile performance.Applicant has found under study for action：Using the degree of polymerization 600 ~ 800 ethylene process polyvinyl chloride resin when, you can ensure composition
Injection Molding it is optimal, and can takes into account composition mechanical property.The 9700 of the preferably German bear board of calcium zinc stabilizer.Due to this hair
Bright composition is applied to the preparation of inspection shaft plastic product, and its operating environment requirements composition of the invention must have higher
Light aging resisting property and antioxygenic property, the combination of UV-419 and antioxidant 1010 has synergy, and weight ratio is 3：1
When, light aging resisting property and anti-oxidant more excellent.
Compared with prior art, it is beneficial possessed by a kind of inspection shaft PVC composition of the invention and preparation method thereof
Effect is：The present composition has higher ring stiffness and tensile strength.Injection grade ABS improves composition mobile performance and punching
Toughness is hit, adjusts the soft durometer of PVC mixture, so that the rigid particles added play toughening effect.Combined rigidity particle changes
Property agent calcium carbonate surface after processing has uniformly coated one layer of AS resin, substantially increases the compatibility of calcium carbonate and PVC matrix,
And serve Rigid Particles Toughened effect, in the case where impact strength does not reduce, substantially increase composition ring stiffness and
Tensile strength.The present composition has higher ring stiffness and tensile strength and preferable shock resistance and mobile performance, can
It is simple, easy to operate for once injection moulding processing technology.
Embodiment
Embodiment 1 ~ 6 is a kind of embodiment of inspection shaft PVC composition of the present invention and preparation method thereof, its
Middle embodiment 1 is most preferred embodiment.The embodiment proportioning component of the inspection shaft PVC composition is as shown in table 1.
Weather-proof modifying agent used in embodiment 1 ~ 6 is light stabilizer UV-419 and antioxidant 1010 by weight 3：1 mixing
Thing, colouring agent are titanium dioxide and carbon black by weight 5：1 mixture, fourth two in acrylonitrile-styrene-butadiene copolymer resin
Olefinic constituent content is 40 ~ 50%.
Embodiment 1
1）Particle modified dose of preparation of combined rigidity：By AS resins, nano-calcium carbonate by weight 1:4 are weighed；By AS
Resin is added in acetone, and stirring at normal temperatures makes AS resins be substantially dissolved in acetone, obtains the acetone that AS resins are solute
Solution；Then by AS resins for solute acetone soln by being added in nano-calcium carbonate, mixed at high speed stirs 10 minutes, mixing
Temperature 60 C makes acetone volatilize, and produces particle modified dose of combined rigidity；
2）It is prepared by polyvinyl chloride composite：By 100 parts of 700 type polyvinyl chloride resin, 6 parts of calcium zinc stabilizer, 1 part of stearic acid, micro-
Brilliant 0.5 part of wax, 1.5 parts of Tissuemat E, 0.8 part of weather-proof modifying agent, 1 part of colouring agent weigh in proportion, are together put into mixed at high speed
Machine high speed stirs, and when temperature rises to 100 ~ 120 DEG C, the compound in high-speed mixer is put into low speed mixer and stirred
Cooling, temperature are down to 55 DEG C of dischargings, obtain polyvinyl chloride composite；
3）By the polyvinyl chloride composite 50% weighed according to percentage by weight, ABS resin 30%, compound AS resins/nanometer
Calcium carbonate modifier 20% is together put into high-speed mixer high speed and is stirred 2 ~ 5min, releases mixed material；
4）Mixed material is added in double screw extruder or double/single screw extrusion machine, in 110 ~ 170 DEG C of temperature conditionss
Lower melt blending extrusion, is cut into pellet through plastic grain cutting machine and produces.
Embodiment 2
1）Particle modified dose of preparation of combined rigidity：By AS resins, nano-calcium carbonate by weight 1:4 are weighed；By AS
Resin is added in acetone, and stirring at normal temperatures makes AS resins be substantially dissolved in acetone, obtains the acetone that AS resins are solute
Solution；Then by AS resins for solute acetone soln by being added in nano-calcium carbonate, mixed at high speed stirs 10 minutes, mixing
Temperature 60 C makes acetone volatilize, and produces particle modified dose of combined rigidity；
2）700 100 parts of type polyvinyl chloride resins, 8 parts of calcium zinc stabilizer, 0.8 part of microwax, 1.5 parts of Tissuemat E, weather-proof modification
1.2 parts of agent, 1.5 parts of colouring agent weigh in proportion, the stirring of high-speed mixer high speed are together put into, when temperature rises to 100 ~ 120
DEG C when, the compound in high-speed mixer be put into stir in low speed mixer cooled down, temperature is down to 55 DEG C of dischargings, acquisition polychlorostyrene
Ethene compound；
3）By the polyvinyl chloride composite 60% weighed according to percentage by weight, ABS resin 25%, compound AS resins/nanometer
Calcium carbonate modifier 15% is together put into high-speed mixer high speed and is stirred 2 ~ 5min, releases mixed material；
4）Mixed material is added in double screw extruder or double/single screw extrusion machine, in 110 ~ 170 DEG C of temperature conditionss
Lower melt blending extrusion, is cut into pellet through plastic grain cutting machine and produces.
Embodiment 3
1）Particle modified dose of preparation of combined rigidity：By AS resins, nano-calcium carbonate by weight 1:4 are weighed；By AS
Resin is added in acetone, and stirring at normal temperatures makes AS resins be substantially dissolved in acetone, obtains the acetone that AS resins are solute
Solution；Then by AS resins for solute acetone soln by being added in nano-calcium carbonate, mixed at high speed stirs 10 minutes, mixing
Temperature 60 C makes acetone volatilize, and produces particle modified dose of combined rigidity；
2）By 100 parts of 700 type polyvinyl chloride resin, 7 parts of calcium zinc stabilizer, 1 part of stearic acid, 0.9 part of microwax, weather-proof modifying agent
0.8 part, 2 parts of colouring agent weigh in proportion, be together put into high-speed mixer high speed stirring, when temperature rises to 100 ~ 120 DEG C,
Compound in high-speed mixer is put into low speed mixer and stirs cooling, temperature is down to 55 DEG C of dischargings, obtains polyvinyl chloride
Compound；
3）By the polyvinyl chloride composite 70% weighed according to percentage by weight, ABS resin 20%, compound AS resins/nanometer
Calcium carbonate modifier 10% is together put into high-speed mixer high speed and is stirred 2 ~ 5min, releases mixed material；
4）Mixed material is added in double screw extruder or double/single screw extrusion machine, in 110 ~ 170 DEG C of temperature conditionss
Lower melt blending extrusion, is cut into pellet through plastic grain cutting machine and produces.
Embodiment 4
1）Particle modified dose of preparation of combined rigidity：By AS resins, nano-calcium carbonate by weight 1:4 are weighed；By AS
Resin is added in acetone, and stirring at normal temperatures makes AS resins be substantially dissolved in acetone, obtains the acetone that AS resins are solute
Solution；Then by AS resins for solute acetone soln by being added in nano-calcium carbonate, mixed at high speed stirs 10 minutes, mixing
Temperature 60 C makes acetone volatilize, and produces particle modified dose of combined rigidity；
2）By 100 parts of 800 type polyvinyl chloride resin, 6 parts of calcium zinc stabilizer, 1 part of stearic acid, 1.5 parts of Tissuemat E, weather-proof modification
1.0 parts of agent, 1 part of colouring agent weigh in proportion, the stirring of high-speed mixer high speed are together put into, when temperature rises to 100 ~ 120 DEG C
When, the compound in high-speed mixer is put into low speed mixer and stirs cooling, temperature is down to 55 DEG C of dischargings, obtains polychlorostyrene second
Alkene compound；
3）By the polyvinyl chloride composite 70% weighed according to percentage by weight, ABS resin 20%, compound AS resins/nanometer
Calcium carbonate modifier 10% is together put into high-speed mixer high speed and is stirred 2 ~ 5min, releases mixed material；
4）Mixed material is added in double screw extruder or double/single screw extrusion machine, in 110 ~ 170 DEG C of temperature conditionss
Lower melt blending extrusion, is cut into pellet through plastic grain cutting machine and produces.
Embodiment 5
1）Particle modified dose of preparation of combined rigidity：By AS resins, nano-calcium carbonate by weight 1:4 are weighed；By AS
Resin is added in acetone, and stirring at normal temperatures makes AS resins be substantially dissolved in acetone, obtains the acetone that AS resins are solute
Solution；Then by AS resins for solute acetone soln by being added in nano-calcium carbonate, mixed at high speed stirs 10 minutes, mixing
Temperature 60 C makes acetone volatilize, and produces particle modified dose of combined rigidity；
2）By 100 parts of 600 type polyvinyl chloride resin, 6 parts of calcium zinc stabilizer, 1.0 parts of microwax, 1.5 parts of Tissuemat E, weather-proof change
Property 0.8 part of agent, 1 part of colouring agent weigh in proportion, the stirring of high-speed mixer high speed is together put into, when temperature rises to 100 ~ 120
DEG C when, the compound in high-speed mixer be put into stir in low speed mixer cooled down, temperature is down to 55 DEG C of dischargings, acquisition polychlorostyrene
Ethene compound；
3）By the polyvinyl chloride composite 60% weighed according to percentage by weight, ABS resin 30%, compound AS resins/nanometer
Calcium carbonate modifier 10% is together put into high-speed mixer high speed and is stirred 2 ~ 5min, releases mixed material；
4）Mixed material is added in double screw extruder or double/single screw extrusion machine, in 110 ~ 170 DEG C of temperature conditionss
Lower melt blending extrusion, is cut into pellet through plastic grain cutting machine and produces.
Embodiment 6
1）Particle modified dose of preparation of combined rigidity：By AS resins, nano-calcium carbonate by weight 1:4 are weighed；By AS
Resin is added in acetone, and stirring at normal temperatures makes AS resins be substantially dissolved in acetone, obtains the acetone that AS resins are solute
Solution；Then by AS resins for solute acetone soln by being added in nano-calcium carbonate, mixed at high speed stirs 10 minutes, mixing
Temperature 60 C makes acetone volatilize, and produces particle modified dose of combined rigidity；
2）By 100 parts of 700 type polyvinyl chloride resin, 5 parts of calcium zinc stabilizer, 0.9 part of microwax, 1.6 parts of Tissuemat E, weather-proof change
Property 0.8 part of agent, 1.2 parts of colouring agent weigh in proportion, be together put into the stirring of high-speed mixer high speed, when temperature rises to 100 ~
At 120 DEG C, the compound in high-speed mixer is put into low speed mixer and stirs cooling, temperature is down to 55 DEG C of dischargings, obtains
Polyvinyl chloride composite；
3）By the polyvinyl chloride composite 58% weighed according to percentage by weight, ABS resin 26%, compound AS resins/nanometer
Calcium carbonate modifier 16% is together put into high-speed mixer high speed and is stirred 2 ~ 5min, releases mixed material；
4）Mixed material is added in double screw extruder or double/single screw extrusion machine, in 110 ~ 170 DEG C of temperature conditionss
Lower melt blending extrusion, is cut into pellet through plastic grain cutting machine and produces.
Comparative example 1 be PE resins 91 ~ 95%, antioxidant 1010,3 ~ 3.9%, PE waxes 0.8 ~ 1.1%, methyl methacrylate
0.6 ~ 2%, nano-calcium carbonate 0.6 ~ 2%.
Comparative example 2 is polypropylene 82%, antioxidant 3%, impact modifying agent 5%, talcum powder 10%.
Comparative example 3 is PVC100 parts, 5 parts of stabilizer, 2 parts of lubricant, 5 parts of impact modifying agent, 5 parts of calcium carbonate,
Comparative example 4 is PVC mixture 60%, ABS, 25%, AS resins 5%, calcium carbonate, 15%.
Comparative example 5 is PVC mixture 55%, ABS, 30%, AS resins 5%, calcium carbonate, 10%.
The component proportion of comparative example 4 and 5 and operating method are the same as embodiment 1.But comparative example 4 and 5 does not use step 1）It is compound firm
Property particle modified dose of preparation, but in step 3）In directly by nano-calcium carbonate, AS resins and polyvinyl chloride composite, ABS trees
Fat is together put into high-speed mixer high speed and is stirred 2 ~ 5min, releases mixed material.
Performance test
Embodiment 1 ~ 6 and the resulting composition of comparative example 1 ~ 5 are detected, comparative example and embodiment production and detection method
Identical, its testing result such as table 1 shows.
The embodiment of table 1 and comparative example the performance test results
。
It is can be seen that from the testing result of table 1 compared with comparative example, ring stiffness, impact strength and the drawing of the embodiment of the present invention
Intensity is stretched to significantly improve.Comparative example 4,5 test results show that simply AS, nanometer calcium, PVC three are commonly blended, and its system is rushed
Hit intensity is significantly lower than the embodiment of the present invention, illustrate the present invention significantly improve the ring stiffness of composition system, tensile strength and
Impact strength.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (6)
1. a kind of inspection shaft PVC composition, it is characterised in that be made up of the component of following percetage by weight：Polyvinyl chloride is answered
Compound 50 ~ 70%, acrylonitrile-styrene-butadiene copolymer resin 20 ~ 30%, particle modified dose 14 ~ 16% of combined rigidity；Polychlorostyrene second
The percetage by weight sum of alkene compound, acrylonitrile-styrene-butadiene copolymer resin and particle modified dose of combined rigidity is
100%；
The polyvinyl chloride composite is made up of the component of following parts by weight：100 parts of polyvinyl chloride resin, 5 ~ 8 parts of calcium zinc stabilizer, profit
1.5 ~ 2.5 parts of lubrication prescription, 0.8 ~ 1.2 part of weather-proof modifying agent, 1 ~ 1.5 part of colouring agent；
Particle modified dose of the combined rigidity is AS resins and nano-calcium carbonate by weight 1:4 compound；
Butadiene component content is 40 ~ 50% in described acrylonitrile-styrene-butadiene copolymer resin；
The preparation method that particle modified dose of described combined rigidity is：AS resins, nano-calcium carbonate are weighed by weight；By AS trees
Fat is added in acetone, and stirring at normal temperatures makes it fully dissolve, and obtains the acetone soln that AS resins are solute；Then by AS trees
Fat is added in nano-calcium carbonate for the acetone soln of solute, and mixed at high speed stirs 5 ~ 10 minutes, and 60 ~ 80 DEG C of mixing temperature makes third
Ketone volatilizees, and produces；Described AS resins are acrylonitritrile-styrene resin.
A kind of 2. inspection shaft PVC composition according to claim 1, it is characterised in that：Described polyvinyl chloride resin is polymerization
Spend the ethylene process polyvinyl chloride resin for 600 ~ 800.
A kind of 3. inspection shaft PVC composition according to claim 1, it is characterised in that：Described lubricant is tristearin
Two or three in acid, stearate, microwax, Tissuemat E.
A kind of 4. inspection shaft PVC composition according to claim 1, it is characterised in that：Described weather-proof modifying agent is
Light stabilizer UV-419 is with antioxidant 1010 by weight 3：1 mixture.
A kind of 5. inspection shaft PVC composition according to claim 1, it is characterised in that：Described colouring agent is titanium white
Powder is with carbon black by weight 5：1 mixture.
6. the preparation method of a kind of inspection shaft PVC composition as described in any one of claim 1 ~ 5, it is characterised in that adopt
It is prepared by the following steps：
1）Particle modified dose of preparation of combined rigidity：AS resins, nano-calcium carbonate are weighed by weight；AS resins are added to acetone
In, stirring at normal temperatures makes it fully dissolve, and obtains the acetone soln that AS resins are solute；Then by AS resins be solute third
Ketone solution is added in nano-calcium carbonate, and mixed at high speed stirs 5 ~ 10 minutes, and 60 ~ 80 DEG C of mixing temperature makes acetone volatilize, and produces；
2）It is prepared by polyvinyl chloride composite：By polyvinyl chloride resin, calcium zinc stabilizer, lubricant, weather-proof modifying agent and colouring agent in proportion
Weigh, the stirring of high-speed mixer high speed is together put into, when temperature rises to 100 ~ 120 DEG C, by the mixing in high-speed mixer
Material, which is put into low speed mixer, stirs cooling, and temperature is down to 50 ~ 55 DEG C of dischargings；
3）By the polyvinyl chloride composite weighed according to percentage by weight, acrylonitrile-styrene-butadiene copolymer resin and compound
Rigid particles modifying agent is together put into high-speed mixer high speed and is stirred 2 ~ 5min, releases mixed material；
4）Mixed material is added in double/single screw extrusion machine, melt blending is extruded under 110 ~ 170 DEG C of temperature conditionss, warp
Plastic grain cutting machine is cut into pellet and produced.
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| CN105647076B (en) * | 2016-04-13 | 2017-08-11 | 合肥瑞瑶环保建材科技有限公司 | One kind can prevent stress cracking inspection shaft well seat and preparation method thereof |
| CN106633477A (en) * | 2016-10-13 | 2017-05-10 | 德才装饰股份有限公司 | Composite material for plastic inspection well and preparation method of composite material |
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| CN1367199A (en) * | 2002-03-08 | 2002-09-04 | 北京中永业科技开发有限责任公司 | Nano powder composite material and its preparation method |
| CN102382388A (en) * | 2010-09-01 | 2012-03-21 | 中国石油化工股份有限公司 | PVC/ABS alloy material with high anti-impact strength and preparation method thereof |
| CN102453306A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | High-fluidity PVC/ABS alloy material and preparation method thereof |
| CN102863712A (en) * | 2011-07-06 | 2013-01-09 | 中国石油化工股份有限公司 | High shock resistant PVC tubular product and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1367199A (en) * | 2002-03-08 | 2002-09-04 | 北京中永业科技开发有限责任公司 | Nano powder composite material and its preparation method |
| CN102382388A (en) * | 2010-09-01 | 2012-03-21 | 中国石油化工股份有限公司 | PVC/ABS alloy material with high anti-impact strength and preparation method thereof |
| CN102453306A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | High-fluidity PVC/ABS alloy material and preparation method thereof |
| CN102863712A (en) * | 2011-07-06 | 2013-01-09 | 中国石油化工股份有限公司 | High shock resistant PVC tubular product and preparation method thereof |
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