CN108586985A - The preparation method of anti-aging high-ductility PVC composite materials - Google Patents

The preparation method of anti-aging high-ductility PVC composite materials Download PDF

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CN108586985A
CN108586985A CN201810427448.XA CN201810427448A CN108586985A CN 108586985 A CN108586985 A CN 108586985A CN 201810427448 A CN201810427448 A CN 201810427448A CN 108586985 A CN108586985 A CN 108586985A
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陈丽
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses the preparation method of anti-aging high-ductility PVC composite materials, method and step includes：It is dry：PVC and haloflex are added into drying machine, it is dry, it is spare；Mixing：Filler, toughener, lubricant, surfactant, antioxidant and stabilizer are added into high-speed mixer, after mixing, by after drying PVC and haloflex be added, be further continued for mixing, obtain batch mixing；It is granulated：Batch mixing is added into double screw extruder, melting extrusion, water cooling, is granulated, obtains PVC composite materials.Preparation method is modified PVC by haloflex, so that PVC composite materials prepared by preparation method have very high thermal stability, chlorine will not be decomposed during use, it is anti-aging, excellent shock resistance, good toughness are not easy embrittlement, excellent combination property substantially increases range and the field of its application.

Description

The preparation method of anti-aging high-ductility PVC composite materials
Technical field
The present invention relates to technical field of polymer materials more particularly to the preparation methods of anti-aging high-ductility PVC composite materials.
Background technology
PVC is the abbreviation of pvc material, is added suitable anti-aging using Corvic as primary raw material Agent, modifying agent etc., through material made of the techniques such as mixing, calendering, vacuum forming, PVC material has lightweight, heat-insulated, heat preservation, prevents The features such as damp, fire-retardant, easy construction.Specification, color, pattern are various, are rich in dicoration, can be applied to room interior wall and furred ceiling Decoration, is one of the ornament materials being most widely used in plastic materials., mainly there are following several respects in the advantages of PVC buckles： It is light weight, heat-insulated, heat preservation, moisture-proof, fire-retardant, acid and alkali-resistance, anticorrosive；Stability, dielectricity are good, durable, anti-aging, easy welding and Bonding；Bending strength and impact flexibility are strong, and ductility is higher when rupture；Pass through kneading, mixing, pulling-on piece, pelletizing, extruding or die casting Etc. techniques easily machine-shaping, the needs of various proximate matter specifications can be met；Surface is smooth, it is bright in colour, be rich in dicoration, decorate Application surface is wider；Construction technology is simple, and installation is more convenient.
Although PVC material prepared by existing preparation method has many feature performance benefits, there is also stability Difference can decompose chlorine in use, and prodigious harm, easy to aging, product embrittlement and shock resistance are generated to human body The shortcomings of poor.
Invention content
In view of this, the present invention provides the preparation methods of anti-aging high-ductility PVC composite materials.
The preparation method of anti-aging high-ductility PVC composite materials, method and step include：
It is dry：PVC and haloflex are added into drying machine, setting temperature is 55-65 DEG C, and drying time is 20-30min, it is spare；
Mixing：Filler, toughener, lubricant, surfactant, antioxidant and stabilizer are added to mixed at high speed In machine, setting temperature be 70-90 DEG C, rotating speed 600-800r/min, mix 5-9min, by after drying PVC and chlorination gather Ethylene is added, and is further continued for mixing 10-15min, obtains batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 250-350r/min, and melt pressure is 6-12MPa, cavity temperature are 170-210 DEG C, and head temperature is：204-212 DEG C, melting extrusion, water cooling is granulated, and it is multiple to obtain PVC Condensation material.
Preferably, the method is：
It is dry：PVC and haloflex are added into drying machine, setting temperature is 57-62 DEG C, and drying time is 23-28min, it is spare；
Mixing：Filler, toughener, lubricant, surfactant, antioxidant and stabilizer are added to mixed at high speed In machine, setting temperature be 74-86 DEG C, rotating speed 640-780r/min, mix 6-8min, by after drying PVC and chlorination gather Ethylene is added, and is further continued for mixing 11-14min, obtains batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 270-330r/min, and melt pressure is 8-11MPa, cavity temperature are 173-208 DEG C, and head temperature is：205-210 DEG C, melting extrusion, water cooling is granulated, and it is multiple to obtain PVC Condensation material.
Preferably, the method is：
It is dry：PVC and haloflex are added into drying machine, setting temperature is 59 DEG C, and drying time is 26min, it is spare；
Mixing：Filler, toughener, lubricant, surfactant, antioxidant and stabilizer are added to mixed at high speed In machine, setting temperature be 78 DEG C, rotating speed 720r/min, mix 7min, by after drying PVC and haloflex be added, It is further continued for mixing 13min, obtains batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 300r/min, and melt pressure is 9MPa, cavity temperature are 175-208 DEG C, and head temperature is：209 DEG C, melting extrusion, water cooling is granulated, obtains PVC composite materials.
Preferably, the cavity temperature is respectively：One area：170-180 DEG C, 2nd area：175-184 DEG C, 3rd area：182-195 DEG C, 4th area：185-194 DEG C, 5th area：192-207 DEG C, 6th area：205-210℃.
Preferably, the filler is one kind in calcium carbonate, clay, talcum, diatomite and silica.
Preferably, the toughener is one kind in toughener A-603, toughener A-669 and toughener A-621.
Preferably, the lubricant is one in stearic acid, butyl stearate, oleamide and ethylene bis stearamide Kind.
Preferably, the surfactant is sodium n-alkylbenzenesulfonate, sodium sulfate of polyethenoxy ether of fatty alcohol, fatty alcohol One kind in polyoxyethylene ether ammonium sulfate and sldium lauryl sulfate.
Preferably, the antioxidant is antioxidant bht, antioxidant 1098, antioxidant 1024, antioxidant 1010 and antioxygen At least one of agent 168.
Preferably, the stabilizer is in calcium-zinc composite stabilizing agent, barium zinc compound stabilizer and potassium zinc composite stabilizer One kind.
The present invention provides the preparation method of anti-aging high-ductility PVC composite materials, preparation method passes through haloflex pair PVC is modified so that PVC composite materials prepared by preparation method have very high thermal stability, will not be decomposed during use Chlorine, anti-aging, excellent shock resistance, good toughness are not easy embrittlement, and excellent combination property substantially increases the model of its application It encloses and field.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The scope of protection of the invention.
It should be appreciated that ought use in this specification and in the appended claims, term " comprising " and "comprising" instruction Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded Body, step, operation, element, component and/or its presence or addition gathered.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is Refer to any combinations and all possible combinations of one or more of associated item listed, and includes these combinations.
Embodiment 1
Anti-aging high-ductility PVC composite materials, by mass fraction, its material component is：
Preparation method is：
It weighs：Weigh PVC, haloflex, calcium carbonate, toughener A-603, stearic acid, the linear alkylbenzene (LAB) of component amount Sodium sulfonate, antioxidant bht and calcium-zinc composite stabilizing agent；
It is dry：PVC and haloflex are added into drying machine, setting temperature is 55 DEG C, and drying time is 30min, it is spare；
Mixing：Calcium carbonate, toughener A-603, stearic acid, sodium n-alkylbenzenesulfonate, antioxidant bht and calcium zinc are answered It closes stabilizer to be added into high-speed mixer, setting temperature is 70 DEG C, rotating speed 800r/min, 5min is mixed, after drying PVC and haloflex are added, and are further continued for mixing 15min, obtain batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 250r/min, and melt pressure is 12MPa, each area's temperature of intracavitary are respectively：One area：170 DEG C, 2nd area：175 DEG C, 3rd area：195 DEG C, 4th area：194 DEG C, 5th area：207 DEG C, 6th area：205 DEG C, head temperature is：212 DEG C, melting extrusion, water cooling is granulated, obtains PVC composite materials；
Packaging：PVC composite material granulars are dried, are packed.
Embodiment 2
Anti-aging high-ductility PVC composite materials, by mass fraction, its material component is：
Preparation method is：
It weighs：Weigh PVC, haloflex, clay, toughener A-669, butyl stearate, the poly alkyl alcohol of component amount Ethylene oxide ether sodium sulfate, antioxidant 1098 and barium zinc compound stabilizer；
It is dry：PVC and haloflex are added into drying machine, setting temperature is 62 DEG C, and drying time is 23min, it is spare；
Mixing：By clay, toughener A-669, butyl stearate, sodium sulfate of polyethenoxy ether of fatty alcohol, antioxidant 1098 And barium zinc compound stabilizer is added into high-speed mixer, setting temperature is 86 DEG C, rotating speed 780r/min, mixes 6min, By after drying PVC and haloflex be added, be further continued for mixing 14min, obtain batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 330r/min, and melt pressure is 8MPa, each area's temperature of intracavitary are respectively：One area：173 DEG C, 2nd area：182 DEG C, 3rd area：185 DEG C, 4th area：188 DEG C, 5th area：204 DEG C, 6th area：208 DEG C, head temperature is：210 DEG C, melting extrusion, water cooling is granulated, obtains PVC composite materials；
Packaging：PVC composite material granulars are dried, are packed.
Embodiment 3
Anti-aging high-ductility PVC composite materials, by mass fraction, its material component is：
4 parts of potassium zinc composite stabilizer.
Preparation method is：
It weighs：The PVC of weighing component amount, haloflex, talcum, toughener A-621, oleamide, fatty alcohol polyoxy second Alkene ether ammonium sulfate, antioxidant 1024 and antioxidant 1010 and potassium zinc composite stabilizer；
It is dry：PVC and haloflex are added into drying machine, setting temperature is 65 DEG C, and drying time is 20min, it is spare；
Mixing：By talcum, toughener A-621, oleamide, fatty alcohol polyoxyethylene ether ammonium sulfate, antioxidant 1024 and Antioxidant 1010 and potassium zinc composite stabilizer are added into high-speed mixer, and setting temperature is 90 DEG C, rotating speed 600r/min, Mix 9min, by after drying PVC and haloflex be added, be further continued for mixing 10min, obtain batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 350r/min, and melt pressure is 6MPa, each area's temperature of intracavitary are respectively：One area：180 DEG C, 2nd area：184 DEG C, 3rd area：182 DEG C, 4th area：185 DEG C, 5th area：192 DEG C, 6th area：210 DEG C, head temperature is：204 DEG C, melting extrusion, water cooling is granulated, obtains PVC composite materials；
Packaging：PVC composite material granulars are dried, are packed.
Embodiment 4
Anti-aging high-ductility PVC composite materials, by mass fraction, its material component is：
Preparation method is：
It weighs：The PVC of weighing component amount, haloflex, diatomite, toughener A-669, ethylene bis stearamide, the moon Lauryl sulfate, irgasfos 168 and calcium-zinc composite stabilizing agent；
It is dry：PVC and haloflex are added into drying machine, setting temperature is 57 DEG C, and drying time is 28min, it is spare；
Mixing：By diatomite, toughener A-669, ethylene bis stearamide, sldium lauryl sulfate, irgasfos 168 and calcium Zinc composite stabilizer is added into high-speed mixer, and setting temperature is 74 DEG C, rotating speed 640r/min, mixes 8min, will dry PVC and haloflex afterwards is added, and is further continued for mixing 11min, obtains batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 270r/min, and melt pressure is 11MPa, each area's temperature of intracavitary are respectively：One area：177 DEG C, 2nd area：177 DEG C, 3rd area：192 DEG C, 4th area：193 DEG C, 5th area：195 DEG C, 6th area：207 DEG C, head temperature is：205 DEG C, melting extrusion, water cooling is granulated, obtains PVC composite materials；
Packaging：PVC composite material granulars are dried, are packed.
Embodiment 5
Anti-aging high-ductility PVC composite materials, by mass fraction, its material component is：
Preparation method is：
It weighs：The PVC of weighing component amount, haloflex, silica, toughener A-603, butyl stearate, bay Alcohol sodium sulphate, antioxidant 1024 and potassium zinc composite stabilizer；
It is dry：PVC and haloflex are added into drying machine, setting temperature is 59 DEG C, and drying time is 26min, it is spare；
Mixing：By silica, toughener A-603, butyl stearate, sldium lauryl sulfate, antioxidant 1024 and potassium Zinc composite stabilizer is added into high-speed mixer, and setting temperature is 78 DEG C, rotating speed 720r/min, mixes 7min, will dry PVC and haloflex afterwards is added, and is further continued for mixing 13min, obtains batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 300r/min, and melt pressure is 9MPa, each area's temperature of intracavitary are respectively：One area：175 DEG C, 2nd area：179 DEG C, 3rd area：188 DEG C, 4th area：190 DEG C, 5th area：197 DEG C, 6th area：208 DEG C, head temperature is：209 DEG C, melting extrusion, water cooling is granulated, obtains PVC composite materials；
Packaging：PVC composite material granulars are dried, are packed.
PVC composite materials prepared by embodiment 1-5 preparation methods carry out performance comparison, respectively with existing PVC material Commercially available comparative example 1 and comparative example 2 are bought, tests thermal stability, ageing resistance and impact resistance respectively, test result is such as Under：
Above-mentioned table can be learnt：Compared with comparative example 1 and comparative example 2, the PVC composite materials of the present embodiment are in thermostabilization Property, suffer from prodigious promotion in ageing resistance and impact resistance performance, wherein deformation ratio is 0.45 hereinafter, without chlorine point Solution comes out, and impact strength can reach 16.4 or more, and after outdoor oxidation 180d, the impact strength range of decrease is small, resists Oxidation susceptibility is excellent.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
It is described in detail herein, applies specific case and the principle of the present invention and embodiment are explained It states, above example is merely used to help understand the method and its core concept of the present invention；Meanwhile for the general skill of this field Art personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this Description should not be construed as limiting the invention.

Claims (10)

1. the preparation method of anti-aging high-ductility PVC composite materials, which is characterized in that method and step includes：
It is dry：PVC and haloflex are added into drying machine, setting temperature is 55-65 DEG C, drying time 20- 30min, it is spare；
Mixing：Filler, toughener, lubricant, surfactant, antioxidant and stabilizer are added to high-speed mixer In, setting temperature is 70-90 DEG C, rotating speed 600-800r/min, 5-9min is mixed, by the PVC and chlorinated polyethylene after drying Alkene is added, and is further continued for mixing 10-15min, obtains batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 250-350r/min, melt pressure 6- 12MPa, cavity temperature are 170-210 DEG C, and head temperature is：204-212 DEG C, melting extrusion, water cooling is granulated, it is compound to obtain PVC Material.
2. preparation method according to claim 1, which is characterized in that the method is：
It is dry：PVC and haloflex are added into drying machine, setting temperature is 57-62 DEG C, drying time 23- 28min, it is spare；
Mixing：Filler, toughener, lubricant, surfactant, antioxidant and stabilizer are added to high-speed mixer In, setting temperature is 74-86 DEG C, rotating speed 640-780r/min, 6-8min is mixed, by the PVC and chlorinated polyethylene after drying Alkene is added, and is further continued for mixing 11-14min, obtains batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 270-330r/min, melt pressure 8- 11MPa, cavity temperature are 173-208 DEG C, and head temperature is：205-210 DEG C, melting extrusion, water cooling is granulated, it is compound to obtain PVC Material.
3. preparation method according to claim 1, which is characterized in that the method is：
It is dry：PVC and haloflex are added into drying machine, setting temperature is 59 DEG C, drying time 26min, standby With；
Mixing：Filler, toughener, lubricant, surfactant, antioxidant and stabilizer are added to high-speed mixer In, setting temperature be 78 DEG C, rotating speed 720r/min, mix 7min, by after drying PVC and haloflex be added, then Continue to mix 13min, obtains batch mixing；
It is granulated：Batch mixing is added into double screw extruder, setting screw speed is 300r/min, melt pressure 9MPa, chamber Interior temperature is 175-208 DEG C, and head temperature is：209 DEG C, melting extrusion, water cooling is granulated, obtains PVC composite materials.
4. preparation method according to claim 1, it is characterised in that：The cavity temperature is respectively：One area：170‐180 DEG C, 2nd area：175-184 DEG C, 3rd area：182-195 DEG C, 4th area：185-194 DEG C, 5th area：192-207 DEG C, 6th area：205‐210 ℃。
5. according to any preparation methods of claim 1-3, it is characterised in that：The filler is calcium carbonate, clay, cunning One kind in stone, diatomite and silica.
6. according to any preparation methods of claim 1-3, it is characterised in that：The toughener is toughener A-603, increases One kind in tough dose of A-669 and toughener A-621.
7. according to any preparation methods of claim 1-3, it is characterised in that：The lubricant is stearic acid, stearic acid One kind in butyl ester, oleamide and ethylene bis stearamide.
8. according to any preparation methods of claim 1-3, it is characterised in that：The surfactant is linear alkylbenzene (LAB) One kind in sodium sulfonate, sodium sulfate of polyethenoxy ether of fatty alcohol, fatty alcohol polyoxyethylene ether ammonium sulfate and sldium lauryl sulfate.
9. according to any preparation methods of claim 1-3, it is characterised in that：The antioxidant is antioxidant bht, antioxygen At least one of agent 1098, antioxidant 1024, antioxidant 1010 and irgasfos 168.
10. according to any preparation methods of claim 1-3, it is characterised in that：The stabilizer is stablized for Ca Zn composite One kind in agent, barium zinc compound stabilizer and potassium zinc composite stabilizer.
CN201810427448.XA 2018-05-07 2018-05-07 The preparation method of anti-aging high-ductility PVC composite materials Withdrawn CN108586985A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109486061A (en) * 2018-11-20 2019-03-19 东莞市正品五金电子有限公司 A kind of anti-aging PVC granulating formula
CN112143065A (en) * 2019-06-28 2020-12-29 合肥杰事杰新材料股份有限公司 Toughening agent, PVC (polyvinyl chloride) pipe material and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109486061A (en) * 2018-11-20 2019-03-19 东莞市正品五金电子有限公司 A kind of anti-aging PVC granulating formula
CN112143065A (en) * 2019-06-28 2020-12-29 合肥杰事杰新材料股份有限公司 Toughening agent, PVC (polyvinyl chloride) pipe material and preparation method thereof
CN112143065B (en) * 2019-06-28 2022-04-26 合肥杰事杰新材料股份有限公司 Toughening agent, PVC (polyvinyl chloride) pipe material and preparation method thereof

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