CN105175961B - Preparation method of chlorinated polyvinyl chloride modified material - Google Patents
Preparation method of chlorinated polyvinyl chloride modified material Download PDFInfo
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- CN105175961B CN105175961B CN201510356956.XA CN201510356956A CN105175961B CN 105175961 B CN105175961 B CN 105175961B CN 201510356956 A CN201510356956 A CN 201510356956A CN 105175961 B CN105175961 B CN 105175961B
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- polyvinyl chloride
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- stabilizer
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- 239000000463 material Substances 0.000 title claims abstract description 59
- 239000004801 Chlorinated PVC Substances 0.000 title claims abstract description 17
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000000049 pigment Substances 0.000 claims abstract description 11
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 10
- 239000012745 toughening agent Substances 0.000 claims abstract description 10
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 47
- 239000004800 polyvinyl chloride Substances 0.000 claims description 38
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 37
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 23
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 21
- 239000011575 calcium Substances 0.000 claims description 21
- 229910052791 calcium Inorganic materials 0.000 claims description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 20
- 239000011701 zinc Substances 0.000 claims description 20
- 229910052725 zinc Inorganic materials 0.000 claims description 20
- 239000006084 composite stabilizer Substances 0.000 claims description 19
- -1 polysiloxanes Polymers 0.000 claims description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 13
- CSHCPECZJIEGJF-UHFFFAOYSA-N methyltin Chemical compound [Sn]C CSHCPECZJIEGJF-UHFFFAOYSA-N 0.000 claims description 12
- 150000003573 thiols Chemical class 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 11
- 239000003017 thermal stabilizer Substances 0.000 claims description 11
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 9
- 239000008116 calcium stearate Substances 0.000 claims description 9
- 235000013539 calcium stearate Nutrition 0.000 claims description 9
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 13
- 239000004033 plastic Substances 0.000 description 13
- 239000007822 coupling agent Substances 0.000 description 12
- 238000005660 chlorination reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 235000010215 titanium dioxide Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000001976 improved effect Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 239000004605 External Lubricant Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preparation method of a chlorinated polyvinyl chloride modified material, which is prepared from the following components in parts by weight: 100 parts of chlorinated polyvinyl chloride resin, 1-5 parts of composite lubricant, 5-10 parts of composite heat stabilizer, 5-15 parts of filler, 5-20 parts of toughening agent, 3-10 parts of processing aid and 0.5-3 parts of pigment. The preparation method comprises the following steps: weighing the components according to the formula for later use; firstly, pouring chlorinated polyvinyl chloride resin into a high-speed mixer for mixing, then pouring a composite heat stabilizer, finally pouring a composite lubricant, a filler, a toughening agent, a processing aid and a pigment for mixing to 105-120 ℃, discharging and cooling; and melting, extruding and hot-cutting the cooled mixed material to obtain the chlorinated polyvinyl chloride modified material. The chlorinated polyvinyl chloride modification of the invention overcomes the problems of large melt viscosity and difficult molding processing, and the obtained product has high impact strength, good surface smoothness and high thermal stability.
Description
The application is Application No. 201310071388.X, and the applying date is on March 6th, 2013, and invention and created name is " chlorine
Chlorinated polynvinyl chloride (CPVC) is material modified and preparation method thereof " application for a patent for invention divisional application.
Technical field
The present invention relates to a kind of preparation method of polymer composite, and in particular to a kind of chliorinated polyvinyl chloride is modified material
The preparation method of material.
Background technology
Chliorinated polyvinyl chloride（CPVC）It is by polyvinyl chloride（PVC）It is made by chlorination modified.After chlorination modified, material
Chlorinity has brought up to 63%~68% by 56.7%, so that the molecular link polarity of material increases, intermolecular force strengthens,
Chemical stability increase, makes mechanical property, resistance to chemical corrosion and the fire resistance of material be greatly improved.
And it is chlorination modified after, vicat softening temperature has brought up to 90 DEG C~125 DEG C by 72 DEG C~82 DEG C so that the heat resistance of material
Improve 20%~40%.Therefore chliorinated polyvinyl chloride has excellent chemical resistance, anti-flammability, mechanical property and heat-resisting
Property, chemical pipeline, water supply line and pipe fitting production are can be widely used for, is a kind of model engineering plastic having a extensive future.
But, with the raising of chlorinity, while some performances are improved, also show partial properties not
Foot：（1）Because chliorinated polyvinyl chloride material melt viscosity is big, machine-shaping is difficult, cause the surface smoothness of its product poor,
And Some Mechanical Properties（Such as impact strength）It is relatively low.（2）Although the heat resistance of material has been improved, heat endurance is not
It is high.
Some auxiliary agents will generally be added during chliorinated polyvinyl chloride material is prepared to improve its performance, main bag
Include toughener, processing aid, lubricant, stabilizer（Mainly heat stabilizer）, filler etc..
Although shock resistance auxiliary agent（Such as ACR, MBS, CPE）It is to influence the principal element of material impact strength, still,
For chliorinated polyvinyl chloride material, because its melt viscosity is larger, molding processibility is poor so that lubricating system is for anti-
Impact strength is also particularly important.On the other hand, melt viscosity is too small can also cause material to be not easy to plasticizing, and then can also influence system
The impact strength of product.Therefore, good lubricating system is for the mechanical property of chliorinated polyvinyl chloride, particularly impact strength
It is particularly important, and also had greatly improved effect for the surface smoothness of product.
Because chliorinated polyvinyl chloride material is in molding process, melt on the one hand in flow process inside it itself
There is interior friction, on the other hand also produce external friction with machine barrel inner surface and screw surface, it is therefore desirable to in-lubricant and
External lubricant is acted on simultaneously, and consumption is extremely very crucial.Chinese patent literature CN102532763A, CN102532762A,
CN102134360A, CN102040785A, CN101880429A and CN102190841A etc. disclose chliorinated polyvinyl chloride
The conventional lubricant of material.In-lubricant and external lubricant improvement chlorination are adopted as Chinese patent literature CN102040785A is disclosed
The mechanical property of pvc material, but its impact strength only only increases to 1.6KJ/m2, tensile strength is also to bring up to
21.4MPa.The impact strength of chliorinated polyvinyl chloride material is maximum disclosed in same Chinese patent literature CN102190841A
Only 9.2KJ/m2.And chliorinated polyvinyl chloride material disclosed in impact strength highest Chinese patent literature CN101880429A
But 14KJ/m2。
Therefore above-mentioned lubricating system is also undesirable for the shock resistance improvement of chliorinated polyvinyl chloride material.
The effect of heat stabilizer is to improve the heat endurance of chliorinated polyvinyl chloride material.The heat stabilizer bag generally used
Include lead salts, terres rares, organic tin, fatty acid salt, calcium/zinc complex class etc..Such as Chinese patent literature
CN102532763A, CN102532762A, CN102134360A, CN102040785A and CN101880429A etc. are disclosed
It can use composite thermal stabilizer.Wherein Chinese patent literature CN102532763A embodiment 1,2,4 is even more specific open
Calcium/zinc composite stabilizer is with organic tin stabilizer according to 3: 1,2: 1,1: 1 weight than composition composite thermal stabilizer, although
Calcium/zinc composite stabilizer has certain heat stabilization for chliorinated polyvinyl chloride material, but thermostable effect is not
It is very strong, therefore this composite thermal stabilizer based on calcium/zinc composite stabilizer, supplemented by organic tin stabilizer is for chlorinated polyvinyl chloride
The improvement of the heat endurance of vinyl material is unsatisfactory, and its 200 DEG C of heat-stable times are >=60min.
The content of the invention
It is an object of the invention to solve the above problems there is provided it is a kind of with excellent chemical resistance, anti-flammability,
It is also poly- with the chlorination that machine-shaping is good, product is excellent in cushion effect, heat endurance is good while mechanical property and heat resistance
The material modified preparation method of vinyl chloride.
Realizing the technical scheme of above-mentioned purpose of the present invention is：A kind of chliorinated polyvinyl chloride is material modified, by following weight parts
Component be made：100 parts of chlorinated polyvinyl chloride resin, 1~5 part of compounded lubricant, 5~10 parts of composite thermal stabilizer, filler 5
~15 parts, 5~20 parts of toughener, 3~10 parts of processing aid, 0.5~3 part of pigment.
Described compounded lubricant is by calcium stearate, Tissuemat E and super high molecular weight polysiloxanes according to 1:（1~2）
∶（1~3）Weight than composition.Wherein Tissuemat E uses the low molecular weight polyethylene wax that molecular weight is 1000~5000；
The preferred blue star of super high molecular weight polysiloxanes（Chengdu）The GM-100 type silicone plastics additives of new material Co., Ltd production.
Described composite thermal stabilizer by thiol methyl tin and calcium/zinc composite stabilizer according to 4: 1~10: 1 weight ratio
Composition.Namely thiol methyl tin is main heat stabilizer, calcium/zinc composite stabilizer is auxiliary heat stabilizer.So can effectively it send out
The thiol methyl tin heat stabilization higher to chliorinated polyvinyl chloride material is waved, the auxiliary of calcium/zinc composite stabilizer can be played again
Thermally-stabilised and lubrication.Wherein the preferred Nanjing Wei Gede plastics Science and Technology Ltd. of calcium/zinc composite stabilizer produces
Nontoxic calcium/the zinc composite stabilizer of CZW-70 types.
Described filler is active nano level calcium carbonate, and active nano level calcium carbonate is even through monoalkoxytitanates
Join the treated nanometer grade calcium carbonate of agent；The average grain diameter of nanometer grade calcium carbonate is 500nm~1500nm；Monoalkoxytitanates
The weight ratio of coupling agent and nanometer grade calcium carbonate is 0.5: 100~3: 100.Wherein preferred Changzhou of monoalkoxytitanates coupling agent
The JL-101 type titanate coupling agents of Jiu Long auxiliary agents Co., Ltd of city production.
Described toughener is MBS（MBS）.
Described processing aid is acrylic acid esters co-polymer（ACR）.
Described pigment is any pigment suitable for chliorinated polyvinyl chloride, preferably titanium dioxide.
The material modified preparation method of above-mentioned chliorinated polyvinyl chloride, has steps of：1. chlorination is weighed according to formula to gather
Vinyl chloride resin, compounded lubricant, composite thermal stabilizer, filler, toughener, processing aid and pigment are stand-by.2. first will
Chlorinated polyvinyl chloride resin pours into high-speed mixer（Rotating speed is 800 revs/min~1000 revs/min）In mix to temperature and reach
75 DEG C~85 DEG C, then composite thermal stabilizer is poured into high-speed mixer to continue to mix to temperature reach 88 DEG C~92 DEG C, connect
Again to pour into compounded lubricant, filler, toughener, processing aid and pigment in high-speed mixer and continue to mix to temperature
105 DEG C~120 DEG C are reached, mixed material is sent in cooling and stirring device and is cooled to 30 DEG C~40 DEG C by discharging.3. after cooling down
Mixed material be sent to melting extrusion in double screw extruder, obtaining chliorinated polyvinyl chloride by using the fervent method of die head changes
Property material.
Described filler is active nano level calcium carbonate, and the preparation process of active nano level calcium carbonate is：It will first receive
Meter level calcium carbonate pours into high-speed mixer machine（Rotating speed is 800 revs/min~1000 revs/min）In, stirring mixing 3min~
5min, reaches after 100 DEG C~110 DEG C to temperature, uniformly pours into monoalkoxytitanates coupling agent, continues to stir mixing 15min
~20min is produced.The average grain diameter of nanometer grade calcium carbonate is 500nm~1500nm；Monoalkoxytitanates coupling agent and nanometer
The weight ratio of level calcium carbonate is 0.5: 100~3: 100.
Above-mentioned steps 3. in, the temperature in each area of double screw extruder is：T1=100 DEG C~130 DEG C, T2=150 DEG C~160 DEG C,
T3=160 DEG C~180 DEG C, T4=180 DEG C~200 DEG C, T5=190 DEG C~210 DEG C, TMould=180 DEG C~200 DEG C.
The good effect that the present invention has：（1）The material modified use super high molecular weight of chliorinated polyvinyl chloride of the present invention is gathered
Siloxanes and calcium stearate and Tissuemat E composition compounded lubricant, and its weight is existed than control（1~3）∶1∶（1~
2）.Because super high molecular weight polysiloxanes has interior lubrication and outer lubrication simultaneously, hence it is evident that improve the inside and outside profit of material
The harmony of gliding mass system, overcomes the problem of material modified melt viscosity of chliorinated polyvinyl chloride is big, processing and forming is difficult.So that most
The product impact strength obtained eventually is greatly improved（Impact strength is more than 20kJ/m2）, and surface smoothness substantially improves.
（2）The material modified use calcium of chliorinated polyvinyl chloride of the present invention/zinc composite stabilizer auxiliary thiol methyl tin composition compound thermal is steady
Determine agent, the not enough defect of thiol methyl tin lubricity made up by the lubrication stabilization of calcium/zinc composite stabilizer well so that
Material is with excellent heat resistance（Vicat softening temperature is at 110 DEG C or so）While, also with higher heat endurance
（200 DEG C of heat-stable times are more than 70min）.（3）The addition of filler would generally reduce the mechanical property of material, and regular grade carbon
Sour calcium is larger due to particle diameter, and it adds the increase for also resulting in melt viscosity, therefore, and the present invention is using through monoalkoxytitanates
The nanometer grade calcium carbonate that coupling agent treatment is crossed, because nanometer grade calcium carbonate particle diameter is smaller, holds in use as filler
Easily occur agglomeration, using monoalkoxytitanates coupling agent treatment nanometer grade calcium carbonate, nanometer grade calcium carbonate group can be prevented
Poly- phenomenon, while monoalkoxytitanates coupling agent has good pliability, therefore ensure that the mechanical property of material, and
Effectively reduce the increased phenomenon of melt viscosity.
Embodiment
（Embodiment 1）
The chliorinated polyvinyl chloride of the present embodiment is material modified to be made up of the component of following weight：
100kg injection grade chlorinated polyvinyl chloride resin；
The super high molecular weight polysiloxanes of 1kg calcium stearate, 1.5kg Tissuemat E and 1.7kg；Wherein polyethylene
Wax uses the low molecular weight polyethylene wax that molecular weight is 2000；Super high molecular weight polysiloxanes uses blue star（Chengdu）
The GM-100 type silicone plastics additives of new material Co., Ltd production；
7kg thiol methyl tin and 1.2kg calcium/zinc composite stabilizer；Wherein calcium/zinc composite stabilizer uses south
Nontoxic calcium/the zinc composite stabilizer of CZW-70 types of Jingwei Ge De plastics Science and Technology Ltd. production；
7kg active nano level calcium carbonate；
12kg MBS（MBS）；
6kg acrylic acid esters co-polymer（ACR）；
0.7kg titanium dioxide.
The material modified preparation method of above-mentioned chliorinated polyvinyl chloride has steps of：
1. the poly- silicon of injection grade chlorinated polyvinyl chloride resin, calcium stearate, Tissuemat E, super high molecular weight is weighed according to formula
Oxygen alkane, thiol methyl tin, calcium/zinc composite stabilizer, active nano level calcium carbonate, MBS, ACR and titanium dioxide, it is stand-by.
The preparation process of wherein active nano level calcium carbonate is as follows：By 100kg average grain diameters receiving for 500nm~1500nm
Meter level calcium carbonate is poured into the high-speed mixer that rotating speed is 900 revs/min, stirring mixing 4min, is reached to temperature after 105 DEG C,
The monoalkoxytitanates coupling agent of 1.5kg low melting point is poured into, continues stirring mixing 18min after adding and produces.Monoalkoxy
Titanate coupling agent uses the JL-101 type titanate coupling agents of Changzhou Jiu Long auxiliary agents Co., Ltd production.
2. first by injection grade chlorinated polyvinyl chloride resin pour into rotating speed be mix in 900 revs/min of high-speed mixer to
Temperature be 80 DEG C, then thiol methyl tin and calcium/zinc composite stabilizer are poured into high-speed mixer mix to temperature be 90 DEG C,
Then again by calcium stearate, Tissuemat E, super high molecular weight polysiloxanes, active nano level calcium carbonate, MBS, ACR and titanium white
Powder pours into high-speed mixer that to continue to mix to temperature be 115 DEG C, and mixed material is sent in cooling and stirring device and stirred by discharging
Mix down and be cooled to 40 DEG C.
3. the mixed material after cooling is sent to melting extrusion in double screw extruder, by using the fervent method of die head
Obtain chliorinated polyvinyl chloride material modified.
The temperature in each area of double screw extruder is：T1=100 DEG C~130 DEG C, T2=150 DEG C~160 DEG C, T3=160 DEG C~180
DEG C, T4=180 DEG C~200 DEG C, T5=190 DEG C~210 DEG C, TMould=190℃。
（2~embodiment of embodiment 4）
Each embodiment is substantially the same manner as Example 1, and difference is shown in Table 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Injection grade chlorinated polyvinyl chloride resin | 100kg | 100kg | 100kg | 100kg |
| Calcium stearate | 1kg | 1kg | 1kg | 1kg |
| Tissuemat E | 1.5kg | 1.5kg | 1.3kg | 1.5kg |
| Super high molecular weight polysiloxanes | 1.7kg | 1.7kg | 1.7kg | 1.7kg |
| Thiol methyl tin | 7kg | 7kg | 6kg | 7kg |
| Calcium/zinc composite stabilizer | 1.2kg | 1.2kg | 1kg | 1.2kg |
| Active nano level calcium carbonate | 7kg | 10kg | 8kg | 6kg |
| MBS | 12kg | 10kg | 11kg | 9kg |
| ACR | 6kg | 8kg | 8kg | 6kg |
| Titanium dioxide | 0.7kg | 0.7kg | 0.7kg | 0.7kg |
（Application examples）
1~embodiment of embodiment 4 is obtained respectively chliorinated polyvinyl chloride is material modified to be made plastic standard sample, and surveys
Their mechanical property and thermal property is tried, 2 are the results are shown in Table.
Table 2
| Test performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength/MPa | 58.3 | 58.1 | 59.6 | 60.2 |
| Elongation at break/% | 34.6 | 37.5 | 36.4 | 38.7 |
| Bending strength/MPa | 110 | 109 | 108 | 109 |
| Bending modulus/MPa | 3011 | 2989 | 2960 | 3012 |
| Impact strength/KJm-2 | 23.2 | 21.5 | 25.6 | 22.3 |
| Vicat softening temperature/DEG C | 108.5 | 109.1 | 110.3 | 112.3 |
| 200 DEG C of heat-stable time/min | 71.6 | 72.1 | 72.5 | 72.2 |
As shown in Table 2, the material modified plastic standard sample being made of the chliorinated polyvinyl chloride of each embodiment not only has excellent
Different mechanical property and heat resistance, and it is excellent in cushion effect（Notched Izod impact hit intensity is more than 20kJ/m2）, heat endurance height
（200 DEG C of heat-stable times are more than 70min）.
（1~comparative example of comparative example 3）
Each comparative example is substantially the same manner as Example 1, and difference is to be shown in Table 3.
Table 3
| Embodiment 1 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Injection grade chlorinated polyvinyl chloride resin | 100kg | 100kg | 100kg | 100kg |
| Calcium stearate | 1kg | 1.5kg | 1kg | 1kg |
| Tissuemat E | 1.5kg | 2kg | 1.5kg | 1.5kg |
| Super high molecular weight polysiloxanes | 1.7kg | - | 1.7kg | 1.7kg |
| Thiol methyl tin | 7kg | 7kg | 4kg | 7kg |
| Calcium/zinc composite stabilizer | 1.2kg | 1.2kg | 4kg | 1.2kg |
| Active nano level calcium carbonate | 7kg | 7kg | 7kg | - |
| Nanometer grade calcium carbonate | - | - | - | 7kg |
| MBS | 12kg | 12kg | 12kg | 12kg |
| ACR | 6kg | 6kg | 6kg | 6kg |
| Titanium dioxide | 0.7kg | 0.7kg | 0.7kg | 0.7kg |
（Contrast application examples）
1~comparative example of comparative example 3 is obtained respectively chliorinated polyvinyl chloride is material modified to be made plastic standard sample, and surveys
Their mechanical property and thermal property is tried, 4 are the results are shown in Table.
Table 4
| Test performance | Embodiment 1 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Tensile strength/MPa | 58.3 | 55.5 | 57.3 | 50.8 |
| Elongation at break/% | 34.6 | 21.5 | 25.5 | 15.3 |
| Bending strength/MPa | 110 | 98.2 | 100.5 | 90.2 |
| Bending modulus/MPa | 3011 | 2850 | 2985 | 2800 |
| Impact strength/KJm-2 | 23.2 | 13.7 | 21.5 | 16.6 |
| Vicat softening temperature/DEG C | 108.5 | 105 | 106 | 105 |
| 200 DEG C of heat-stable time/min | 71.6 | 69.1 | 62.6 | 69.3 |
As shown in Table 4：
（1）By comparative example 1（Lubricant is used as only with calcium stearate and Tissuemat E）Obtained chliorinated polyvinyl chloride changes
Property the material modified plastic standard sample being made of chliorinated polyvinyl chloride that is obtained with embodiment 1 of the plastic standard sample that is made of material
Compare：Heat endurance is more or less the same, but mechanical property, particularly impact strength are substantially reduced.
（2）By comparative example 2（Composite thermal stabilizer is used as using calcium/zinc composite stabilizer and thiol methyl tin mixed in equal amounts）
The chliorinated polyvinyl chloride that the obtained material modified plastic standard sample being made of chliorinated polyvinyl chloride is obtained with embodiment 1 is modified material
Expect that the plastic standard sample being made is compared：Mechanical property is more or less the same, but heat endurance is substantially reduced.
（3）By comparative example 3（It could be used without the nanometer grade calcium carbonate through monoalkoxytitanates coupling agent treatment）Obtain
The material modified plastic standard sample being made of chliorinated polyvinyl chloride with the chliorinated polyvinyl chloride that embodiment 1 is obtained is material modified is made
Plastic standard sample compare：Heat endurance is more or less the same, but multinomial mechanical property is substantially reduced.
Claims (1)
1. the material modified preparation method of a kind of chliorinated polyvinyl chloride, it is characterised in that have steps of：
1. according to it is following formula weigh chlorinated polyvinyl chloride resin, compounded lubricant, composite thermal stabilizer, filler, toughener,
Processing aid and pigment are stand-by：100 parts of chlorinated polyvinyl chloride resin, 1~5 part of compounded lubricant, composite thermal stabilizer 5~10
Part, 5~15 parts of filler, 5~20 parts of toughener, 3~10 parts of processing aid, 0.5~3 part of pigment；
Described compounded lubricant is by calcium stearate, Tissuemat E and super high molecular weight polysiloxanes according to 1: 1~2: 1~3
Weight than composition；Described composite thermal stabilizer by thiol methyl tin and calcium/zinc composite stabilizer according to 4: 1~10: 1 weight
Amount is than composition；Described filler is active nano level calcium carbonate；Described pigment is titanium dioxide；
2. first chlorinated polyvinyl chloride resin is poured into high-speed mixer to mix to temperature and reaches 75 DEG C~85 DEG C, then will be compound
Heat stabilizer, which pours into high-speed mixer to continue to mix to temperature, reaches 88 DEG C~92 DEG C, then again by compounded lubricant, filling
Agent, toughener, processing aid and pigment, which are poured into high-speed mixer, to be continued to mix, and is reached 105 DEG C~120 DEG C to temperature, is gone out
Material, cooling；
3. the mixed material after cooling is sent to melting extrusion in double screw extruder, obtained by using the fervent method of die head
Chliorinated polyvinyl chloride is material modified.
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| CN201510356960.6A Expired - Fee Related CN105175963B (en) | 2013-01-25 | 2013-03-06 | Chlorinated polyvinyl chloride modified material |
| CN201510356957.4A Expired - Fee Related CN105175962B (en) | 2013-01-25 | 2013-03-06 | Chlorinated polyvinyl chloride modified material |
| CN201310071388.XA Expired - Fee Related CN103102632B (en) | 2013-01-25 | 2013-03-06 | Chlorinated polyvinyl chloride modified material and preparation method thereof |
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| CN104774412A (en) * | 2015-04-10 | 2015-07-15 | 芜湖中源赛特管业有限公司 | Chlorinated polyvinyl chloride pipe material composition as well as preparation method and application of chlorinated polyvinyl chloride pipe material |
| CN105647083B (en) * | 2016-04-01 | 2017-05-31 | 成都脉通管业有限公司 | Enhanced power information cable duct and preparation method thereof |
| CN105968805B (en) * | 2016-05-17 | 2018-10-19 | 厦门集优新材料有限公司 | A kind of modified material and preparation method thereof instead of metal |
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| CN107674454A (en) * | 2017-08-16 | 2018-02-09 | 上海氯碱化工股份有限公司 | Modified calcium carbonate and its preparation method and application |
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| CN116063742A (en) * | 2023-04-06 | 2023-05-05 | 山东东临新材料股份有限公司 | Polyvinyl chloride composite processing aid and preparation method thereof |
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| CN102190841A (en) * | 2010-03-08 | 2011-09-21 | 上海酬智塑胶科技有限公司 | Preparation method of high-performance chlorinated polyvinyl chloride injection aggregate |
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Also Published As
| Publication number | Publication date |
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| CN103102632B (en) | 2015-07-29 |
| CN105175963B (en) | 2017-11-21 |
| CN103102632A (en) | 2013-05-15 |
| CN105175961A (en) | 2015-12-23 |
| CN105175962A (en) | 2015-12-23 |
| CN105175964B (en) | 2017-09-29 |
| CN105175962B (en) | 2017-09-29 |
| CN105175964A (en) | 2015-12-23 |
| CN105175963A (en) | 2015-12-23 |
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