CN105968650B - A kind of impact-resisting and heat resistant modified kaolin PVC composite materials and preparation method thereof - Google Patents
A kind of impact-resisting and heat resistant modified kaolin PVC composite materials and preparation method thereof Download PDFInfo
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- CN105968650B CN105968650B CN201610553518.7A CN201610553518A CN105968650B CN 105968650 B CN105968650 B CN 105968650B CN 201610553518 A CN201610553518 A CN 201610553518A CN 105968650 B CN105968650 B CN 105968650B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a kind of impact-resisting and heat resistant modified kaolin PVC composite materials and preparation method thereof, are formulated by the raw material of following parts by weight：Polyvinyl chloride resin 150 160, liquid crystal elastic body 30 34, thermoplastic polyurethane elastomer 16 18,2,5 bis- (5 tertiary butyl, 2 benzoxazolyl) thiophene 46, double stearic acid aluminium 35, methyl vinyl silicon oil 57, kaolin 26 30, baddeleyite powder 10 12, glass pumice 8 10, lignite wax 46, carbon black 23, zinc oxide 69, nano-calcium carbonates 8 10 etc..The present invention is by being modified kaolin, so that the plasticizing of PVC molecule segments becomes easy, the degradation of PVC material is inhibited simultaneously, enhance product heat resistance and weatherability, increase tensile strength can be cooperateed with by being added to the materials such as liquid crystal elastic body, thermoplastic polyurethane elastomer, impact strength is improved, makes to chemically react between each other, while realize enhancing and the toughening of PVC inside PVC free radicals.
Description
Technical field
The present invention relates to a kind of PVC materials, and it is compound to concretely relate to a kind of increasing impact-resisting and heat resistant modified kaolin PVC
Material and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) resin is one of synthetic resin of earliest industrialized production, due to its raw material sources extensively and
Cheap, have a wide range of applications market in the whole world.PVC industry occupies an important position in plastic industry, wide
It is applied to the industries such as industry, agricultural, building, electric power, automobile, household electrical appliances, packaging and public utilities generally.It is extensive as industrial circle
The polyvinyl chloride resin of application with excellent physical and chemical properties, is mainly reflected in strong, the stable chemical performance of corrosion resistant candle property, excellent
The advantages that good flame retardant property and electrical insulating property, good plasticity, excellent abrasion resistance properties.Although polyvinyl chloride resin has good
Good comprehensive performance, but there is also some defects in production and application, and this is mainly manifested in the following aspects:(1) it is hot
Stability and light resistance are poor；(2) heat resistance is poor, the vicat softening point temperature of general hard PVC product at 90 DEG C hereinafter,
When temperature is more than 90 DEG C, PVC product easily softens, and is easily deformed under outer stress, this strictly limits PVC trees
The application of fat；(3) shock resistance is poor, and which limits its uses as structural material, are generally needed during machine-shaping
Plasticizer, impact modifier, flexible polymer such as elastomer etc. is added in improve the erosion-resisting characteristics of PVC.In order to improve and gram
Some existing shortcomings of PVC are taken, improves and optimizes the performance of PVC, need to be modified polyvinyl chloride resin, obtain heat-resist, anti-
The PVC material of impact.
Invention content
The object of the present invention is to provide a kind of impact-resisting and heat resistant modified kaolin PVC composite materials and preparation method thereof.
In order to achieve the above objectives, the technical solution used in the present invention is：
A kind of impact-resisting and heat resistant modified kaolin PVC composite materials, are formulated by the raw material of following parts by weight：PVC trees
Bis- (5- tertiary butyl -2- the benzoxazoles of fat 150-160, liquid crystal elastic body 30-34, thermoplastic polyurethane elastomer 16-18,2,5-
Base) thiophene 4-6, double stearic acid aluminium 3-5, methyl vinyl silicon oil 5-7, kaolin 26-30, baddeleyite powder 10-12, glass pumice
8-10, lignite wax 4-6, carbon black 2-3, zinc oxide 6-9, nano-calcium carbonate 8-10, silicon nitride powder 5-7, thiol methyl tin 3-4,
Oleamide 4-5, higher aliphatic 5-7, dioctyl sodium sulfosuccinate 2-4, Dythal 4-6.
A kind of preparation method of impact-resisting and heat resistant modified kaolin PVC composite materials, includes the following steps：
（1）Kaolin is added in into sonic oscillation 30min in 5-6 times of water, oleamide, higher aliphatic is then added in, adds
30-40min is kept the temperature after hot 70-75 DEG C, dried object is dissolved in methanol-distillation water mixed solution after dry and stirs 20-30min,
It is charged with dioctyl sodium sulfosuccinate while stirring, lower stirring 30-40min, obtains after dry at a temperature of 35 DEG C
Modified kaolin, it is spare；
（2）Polyvinyl chloride resin, liquid crystal elastic body, thermoplastic polyurethane elastomer are put into open mill at a temperature of 170 DEG C
Begin to pratise 30min, then adds in bis- (5- tertiary butyl -2- benzoxazolyls) thiophene of 2,5-, double stearic acid aluminium, methyl vinyl silicon oil
Continue the 20-25min that begins to pratise, taken out after cooling, obtain mixture A；
（3）Baddeleyite powder, glass pumice, lignite wax, carbon black, zinc oxide, nano-calcium carbonate, silicon nitride powder is mixed in height
It stirs evenly in machine, is then thrown with together with thiol methyl tin, Dythal, modified kaolin and mixture A
Enter in kneader and mediated, material is discharged into cold mixer after material frictional heat to 125-130 DEG C of heat preservation 20-30min
Cooling, discharges when temperature is dropped to below 50 DEG C, obtains mixture B；
（4）Obtained mixture B is sent into double-screw extruding pelletizing machine to extruding pelletization to get the PVC composite materials,
Wherein：Prilling be 165-180 DEG C of temperature, twin-screw rotating speed 320-340r/min.
Beneficial effects of the present invention：
The present invention makes the organic long-chain molecule of its surface grafting, may act as PVC matrix by being modified to kaolin
Plasticizer, weaken PVC molecule segments between and the interaction between PVC strands and kaolin so that the modeling of PVC molecule segments
Change becomes easy, while inhibit the degradation of PVC material；The increasings such as silicon nitride powder, nano-calcium carbonate are added in polyvinyl chloride resin
Strong product heat resistance and weatherability；Being added to the materials such as liquid crystal elastic body, thermoplastic polyurethane elastomer can cooperate with increase to draw
Intensity is stretched, improves impact strength, makes to chemically react between each other, while realize the enhancing and increasing of PVC inside PVC free radicals
It is tough.
Specific embodiment
Technical solution of the present invention is further described with reference to specific embodiment.
Embodiment 1：
A kind of impact-resisting and heat resistant modified kaolin PVC composite materials, by following parts by weight（kg）Raw material be formulated：
Bis- (5- tertiary butyl -2- benzoxazolyls) thiophenes of polyvinyl chloride resin 150, liquid crystal elastic body 30, thermoplastic polyurethane elastomer 16,2,5-
Fen 4, double stearic acid aluminium 3, methyl vinyl silicon oil 5, kaolin 26, baddeleyite powder 10, glass pumice 8, lignite wax 4, carbon black 2,
Zinc oxide 6, nano-calcium carbonate 8, silicon nitride powder 5, thiol methyl tin 3, oleamide 4, higher aliphatic 5, succinic acid two are pungent
Ester sodium sulfonate 2, Dythal 4.
A kind of preparation method of impact-resisting and heat resistant modified kaolin PVC composite materials, includes the following steps：
（1）Kaolin is added in into sonic oscillation 30min in 5-6 times of water, oleamide, higher aliphatic is then added in, adds
30-40min is kept the temperature after hot 70-75 DEG C, dried object is dissolved in methanol-distillation water mixed solution after dry and stirs 20-30min,
It is charged with dioctyl sodium sulfosuccinate while stirring, lower stirring 30-40min, obtains after dry at a temperature of 35 DEG C
Modified kaolin, it is spare；
（2）Polyvinyl chloride resin, liquid crystal elastic body, thermoplastic polyurethane elastomer are put into open mill at a temperature of 170 DEG C
Begin to pratise 30min, then adds in bis- (5- tertiary butyl -2- benzoxazolyls) thiophene of 2,5-, double stearic acid aluminium, methyl vinyl silicon oil
Continue the 20-25min that begins to pratise, taken out after cooling, obtain mixture A；
（3）Baddeleyite powder, glass pumice, lignite wax, carbon black, zinc oxide, nano-calcium carbonate, silicon nitride powder is mixed in height
It stirs evenly in machine, is then thrown with together with thiol methyl tin, Dythal, modified kaolin and mixture A
Enter in kneader and mediated, material is discharged into cold mixer after material frictional heat to 125-130 DEG C of heat preservation 20-30min
Cooling, discharges when temperature is dropped to below 50 DEG C, obtains mixture B；
（4）Obtained mixture B is sent into double-screw extruding pelletizing machine to extruding pelletization to get the PVC composite materials,
Wherein：Prilling be 165-180 DEG C of temperature, twin-screw rotating speed 320-340r/min.
Embodiment 2：
A kind of impact-resisting and heat resistant modified kaolin PVC composite materials, by following parts by weight（kg）Raw material be formulated：
Bis- (5- tertiary butyl -2- benzoxazolyls) thiophenes of polyvinyl chloride resin 155, liquid crystal elastic body 32, thermoplastic polyurethane elastomer 17,2,5-
Fen 5, double stearic acid aluminium 4, methyl vinyl silicon oil 6, kaolin 28, baddeleyite powder 11, glass pumice 9, lignite wax 5, carbon black
2.5th, zinc oxide 7.5, nano-calcium carbonate 9, silicon nitride powder 6, thiol methyl tin 3.5, oleamide 4.5, higher aliphatic 6,
Dioctyl sodium sulfosuccinate 3, Dythal 5.
The preparation method is the same as that of Example 1.
Embodiment 3：
A kind of impact-resisting and heat resistant modified kaolin PVC composite materials, by following parts by weight（kg）Raw material be formulated：
Bis- (5- tertiary butyl -2- benzoxazolyls) thiophenes of polyvinyl chloride resin 160, liquid crystal elastic body 34, thermoplastic polyurethane elastomer 18,2,5-
Fen 6, double stearic acid aluminium 5, methyl vinyl silicon oil 7, kaolin 30, baddeleyite powder 12, glass pumice 10, lignite wax 6, carbon black 3,
Zinc oxide 9, nano-calcium carbonate 10, silicon nitride powder 7, thiol methyl tin 4, oleamide 5, higher aliphatic 7, succinic acid two are pungent
Ester sodium sulfonate 4, Dythal 6.
The preparation method is the same as that of Example 1.
The performance test results of PVC composite materials are as shown in the table made from above-described embodiment 1-3：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Tensile strength, Mpa | 37.3 | 35.5 | 41.8 |
| Elongation at break, % | 173 | 157 | 164 |
| Notch impact strength, KJ/m2 | 3.76 | 3.83 | 3.62 |
| Sheet resistance, Ω | 8.6×105 | 6.7×105 | 4.7×104 |
Claims (1)
1. a kind of impact-resisting and heat resistant modified kaolin PVC composite materials, which is characterized in that by the raw material preparation of following parts by weight
Into：Bis- (5- tertiary butyls-the 2- of polyvinyl chloride resin 150-160, liquid crystal elastic body 30-34, thermoplastic polyurethane elastomer 16-18,2,5-
Benzoxazolyl) thiophene 4-6, double stearic acid aluminium 3-5, methyl vinyl silicon oil 5-7, kaolin 26-30, baddeleyite powder 10-12,
Glass pumice 8-10, lignite wax 4-6, carbon black 2-3, zinc oxide 6-9, nano-calcium carbonate 8-10, silicon nitride powder 5-7, mercaptan first
Base tin 3-4, oleamide 4-5, higher aliphatic 5-7, dioctyl sodium sulfosuccinate 2-4, Dythal 4-
6；
A kind of preparation method of above-described impact-resisting and heat resistant modified kaolin PVC composite materials is as follows：
（1）Kaolin is added in into sonic oscillation 30min in 5-6 times of water, then adds in oleamide, higher aliphatic, heats 70-
30-40min is kept the temperature after 75 DEG C, dried object is dissolved in methanol-distillation water mixed solution after dry and stirs 20-30min, side stirring
While being charged with dioctyl sodium sulfosuccinate, lower stirring 30-40min, obtains modified height at a temperature of 35 DEG C after dry
Ridge soil, it is spare；
（2）Polyvinyl chloride resin, liquid crystal elastic body, thermoplastic polyurethane elastomer are put into open mill and begun to pratise at a temperature of 170 DEG C
Then 30min adds in bis- (5- tertiary butyl -2- benzoxazolyls) thiophene of 2,5-, double stearic acid aluminium, methyl vinyl silicon oil and continues
Begin to pratise 20-25min, is taken out after cooling, obtains mixture A；
（3）By baddeleyite powder, glass pumice, lignite wax, carbon black, zinc oxide, nano-calcium carbonate, silicon nitride powder in high mixer
It stirs evenly, then puts into and pinch together with thiol methyl tin, Dythal, modified kaolin and mixture A
It is mediated in conjunction machine, material is discharged into cold mixer after material frictional heat to 125-130 DEG C of heat preservation 20-30min and is cooled down,
It discharges when temperature is dropped to below 50 DEG C, obtains mixture B；
（4）Obtained mixture B is sent into double-screw extruding pelletizing machine to extruding pelletization to get the PVC composite materials,
In：Prilling be 165-180 DEG C of temperature, twin-screw rotating speed 320-340r/min.
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| CN108493876A (en) * | 2018-04-08 | 2018-09-04 | 江苏华强电力设备有限公司 | A kind of high-strength air intensity enclosed busbar slot |
| CN108912553A (en) * | 2018-07-25 | 2018-11-30 | 合肥岑遥新材料科技有限公司 | A kind of high-strength light electronic device packing plastics |
| CN111040424B (en) * | 2019-12-11 | 2022-04-19 | 东莞市雄林新材料科技股份有限公司 | Transparency-controllable TPU (thermoplastic polyurethane) film and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302318A (en) * | 2008-07-07 | 2008-11-12 | 四川大学 | Polychloroethylene / organic modified sheet silicate nano-composite material |
| CN104861358A (en) * | 2014-12-30 | 2015-08-26 | 殷培花 | Nanometer kaolin modified polyvinyl chloride composite material |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302318A (en) * | 2008-07-07 | 2008-11-12 | 四川大学 | Polychloroethylene / organic modified sheet silicate nano-composite material |
| CN104861358A (en) * | 2014-12-30 | 2015-08-26 | 殷培花 | Nanometer kaolin modified polyvinyl chloride composite material |
Non-Patent Citations (1)
| Title |
|---|
| "PVC/TPU共混材料的制备及性能";肖欢等;《高分子材料科学与工程》;20110117;第26卷(第12期);第144-147页 * |
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Effective date of registration: 20191125 Address after: 542400 Ertang Town, Pingle County, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Guilin Jinsu Plastic Co., Ltd Address before: 325000, Wenzhou, Zhejiang, Ruian province Anyang Times Building A street, building four northeast head Patentee before: Rui'an Zhizao Technology Co., Ltd. |