CN110330739A - A kind of impact resistance polychloroethylene pipes preparation method - Google Patents

A kind of impact resistance polychloroethylene pipes preparation method Download PDF

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Publication number
CN110330739A
CN110330739A CN201910539711.9A CN201910539711A CN110330739A CN 110330739 A CN110330739 A CN 110330739A CN 201910539711 A CN201910539711 A CN 201910539711A CN 110330739 A CN110330739 A CN 110330739A
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ester
impact resistance
polychloroethylene pipes
preparation
inorganic filler
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葛成钢
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/10—Encapsulated ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use 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; Derivatives of such polymers
    • C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—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
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of impact resistance polychloroethylene pipes preparation methods, it is related to new material technology field, it is mixed as passing through composite master batch obtained from the polyvinyl chloride resin particle of pre-irradiation processing and the inorganic filler mixing granulation of ester modifier modification with plasticizer, extrusion molding, cooling cutting obtains；The polychloroethylene pipes of the method for the present invention preparation have excellent impact resistance.

Description

A kind of impact resistance polychloroethylene pipes preparation method
Technical field
The invention belongs to virgin material field of material technology, and in particular to a kind of impact resistance polychloroethylene pipes preparation method.
Background technique
China polychloroethylene pipes market is in ascent stage, huge market capacity and lower access threshold, makes Polychloroethylene pipes are always the Hot events of domestic each side's investment in the past few years.Polychloroethylene pipes have weight Gently, the advantages that corrosion resistance and good, electrical insulation capability are good, frictional resistance is small, thermal coefficient is small is important in plastic tube product Kind all has apparent advantage in many aspects.
The prior art " a kind of application number: 201410104674.6 preparation methods of polychloroethylene pipes ", will except titanium dioxide, All raw materials pour into stirred tank and are stirred 1 hour with 55-70 revs/min of revolving speed outside CPE, after be put into double screw extruder, After mediating 8-10 minutes at 140-150 DEG C, then remaining raw material is added by weight, is kneaded, is granulated, controls temperature in 150- 160 DEG C, finished product is obtained after moulding process, present invention gained pipe workpiece quality is stablized, the appearance ring of light, and intensity is good.Then its is resistance to Impact property is general, so that manufactured polychloroethylene pipes are when being impacted, it is easily rupturable.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of impact resistance polychloroethylene pipes preparation method is provided.
The present invention is achieved by the following technical solutions:
A kind of impact resistance polychloroethylene pipes preparation method is changed by the polyvinyl chloride resin particle and ester system that handle by pre-irradiation Property the modified inorganic filler mixing granulation of agent obtained from composite master batch mix with plasticizer, extrusion molding, cool down to cut and obtain.
Further, the pre-irradiation processing is to carry out under the vacuum that temperature is 20-22 DEG C, vacuum degree is 0.01Pa, Acceleration voltage is 2.5-2.8MeV, irradiation dose 10kGy.
Further, the ester preparation method for modifier are as follows:
Fumaric acid, maleic acid are mixed by 2-2.2:1 mass ratio and are added in reaction kettle, is then stirred with 120r/min revolving speed It mixes, and is heated to 100 DEG C, after 30min, add the esterification catalyst of fumaric acid quality 5%, after mixing evenly, then fourth is slowly added dropwise Alcohol insulation reaction 2 hours, when reaction system esterification yield is not further added by, stops reaction, obtains reaction ester, reaction temperature is dropped Down to 70 DEG C, sodium hydrate aqueous solution is then added again, is stirred to react 1 hour to get ester modifying agent, is reacted ester and hydroxide Sodium molar ratio is 1:1.
Further, the inorganic filler of the ester modifier modification specifically:
Inorganic filler is distributed in ester modifying agent by the ratio uniform of 100-110g:350mL, respectively at 0 DEG C, 60 DEG C into The primary ultrasonic treatment of row, wherein being ultrasonically treated frequency at a temperature of 0 DEG C is 30kHz, power 600W, the processing time is 2min, 60 It is 50kHz that frequency is ultrasonically treated at a temperature of DEG C, and power 800W, the processing time is 3min, and then again at 60 DEG C, heat preservation is stood 2 hours, be then filtered, cleaned using deionized water, drying to constant weight to get.
Further, the inorganic filler is rosin rock powder.
Further, the pitchstone Powder Particle Size is 0.1-0.2 μm.
Further, the polyvinyl chloride resin particle handled by pre-irradiation and the inorganic of ester modifier modification are filled out Material mixing quality ratio is 55:30-33.
Further, the plasticizer additive amount is the 10% of quality of PVC resin.
Further, the plasticizer is tributyl citrate.
The utility model has the advantages that the present invention by polyvinyl chloride resin particle carry out pre-irradiation processing, can be in polyvinyl chloride tree Rouge particle surface generates active group, and by the modification to pitchstone particle, effective pitchstone particle and ester system are modified Agent combines, and generates certain coating function, so that the lipophilicity of pitchstone particle surface is significantly improved, simultaneously The organic long-chain of pitchstone particle surface is wanted to approach with PVC base system polarity, and compatibility between the two significantly increases Add, so that pitchstone particle disperses in PVC base system more uniform again, plays apparent toughening effect, impact Intensity is improved, and when by biggish impact force, modified rosin rock particle can reduce the phase of polyvinyl chloride molecule interchain Interaction promotes the sliding between strand, meanwhile, modified rosin rock particle promotes bending for polyvinyl chloride as stress raiser Clothes, while the interface binding power between matrix has also obtained significant enhancing, plasticity occurs for the effective PVC base system that causes Deformation, elongation at break also increase substantially, through overtesting as can be seen that the polychloroethylene pipes of the method for the present invention preparation have Excellent impact resistance, when using bentonite as inorganic filler, room temperature impact strength reduces by a small margin, rushing at -25 DEG C Hit intensity is greatly lowered, it is seen then that poor using bentonite as impact resistance under inorganic filler low temperature；Pitchstone in the present invention When granularity is between 0.1-0.2 μm, the polychloroethylene pipes room temperature impact strength of preparation and low-temperature impact can be kept strong simultaneously Degree, since pitchstone particle generates clustering phenomena, causes the impact strength of polychloroethylene pipes to go out after pitchstone is excessively added Now drop.
Specific embodiment
Embodiment 1
A kind of impact resistance polychloroethylene pipes preparation method is changed by the polyvinyl chloride resin particle and ester system that handle by pre-irradiation Property the modified inorganic filler mixing granulation of agent obtained from composite master batch mix with plasticizer, extrusion molding, cool down to cut and obtain.
Further, the pre-irradiation processing is under the vacuum that temperature is 20 DEG C, vacuum degree is 0.01Pa, progress adds Fast voltage is 2.5MeV, irradiation dose 10kGy.
Further, the ester preparation method for modifier are as follows:
Fumaric acid, maleic acid are mixed by 2:1 mass ratio and are added in reaction kettle, then with the stirring of 120r/min revolving speed, and 100 DEG C, after 30min are heated to, the esterification catalyst of fumaric acid quality 5% is added, after mixing evenly, then butanol is slowly added dropwise, is protected Temperature reaction 2 hours stops reaction when reaction system esterification yield is not further added by, and obtains reaction ester, reaction temperature is reduced to 70 DEG C, sodium hydrate aqueous solution is then added again, is stirred to react 1 hour to get ester modifying agent, is reacted ester and sodium hydroxide mole Than for 1:1.
Further, the inorganic filler of the ester modifier modification specifically:
Inorganic filler is distributed in ester modifying agent by the ratio uniform of 100g:350mL, carries out one at 0 DEG C, 60 DEG C respectively Secondary ultrasonic treatment, wherein being ultrasonically treated frequency at a temperature of 0 DEG C is 30kHz, power 600W, the processing time is 2min, 60 DEG C of temperature The lower ultrasonic treatment frequency of degree is 50kHz, power 800W, and the processing time is 3min, and then again at 60 DEG C, it is small that heat preservation stands 2 When, be then filtered, cleaned using deionized water, drying to constant weight to get.
Further, the inorganic filler is rosin rock powder.
Further, the pitchstone Powder Particle Size is 0.1 μm.
Further, the polyvinyl chloride resin particle handled by pre-irradiation and the inorganic of ester modifier modification are filled out Material mixing quality ratio is 55:30.
Further, the plasticizer additive amount is the 10% of quality of PVC resin.
Further, the plasticizer is tributyl citrate.
Embodiment 2
A kind of impact resistance polychloroethylene pipes preparation method is changed by the polyvinyl chloride resin particle and ester system that handle by pre-irradiation Property the modified inorganic filler mixing granulation of agent obtained from composite master batch mix with plasticizer, extrusion molding, cool down to cut and obtain.
Further, the pre-irradiation processing is under the vacuum that temperature is 22 DEG C, vacuum degree is 0.01Pa, progress adds Fast voltage is 2.8MeV, irradiation dose 10kGy.
Further, the ester preparation method for modifier are as follows:
Fumaric acid, maleic acid are mixed by 2.2:1 mass ratio and are added in reaction kettle, is then stirred with 120r/min revolving speed, And 100 DEG C, after 30min are heated to, the esterification catalyst of fumaric acid quality 5% is added, after mixing evenly, then butanol is slowly added dropwise, Insulation reaction 2 hours, when reaction system esterification yield is not further added by, stop reaction, obtains reaction ester, reaction temperature is reduced to 70 DEG C, sodium hydrate aqueous solution is then added again, is stirred to react 1 hour to get ester modifying agent, is reacted ester and rub with sodium hydroxide You are than being 1:1.
Further, the inorganic filler of the ester modifier modification specifically:
Inorganic filler is distributed in ester modifying agent by the ratio uniform of 110g:350mL, carries out one at 0 DEG C, 60 DEG C respectively Secondary ultrasonic treatment, wherein being ultrasonically treated frequency at a temperature of 0 DEG C is 30kHz, power 600W, the processing time is 2min, 60 DEG C of temperature The lower ultrasonic treatment frequency of degree is 50kHz, power 800W, and the processing time is 3min, and then again at 60 DEG C, it is small that heat preservation stands 2 When, be then filtered, cleaned using deionized water, drying to constant weight to get.
Further, the inorganic filler is rosin rock powder.
Further, the pitchstone Powder Particle Size is 0. 2 μm.
Further, the polyvinyl chloride resin particle handled by pre-irradiation and the inorganic of ester modifier modification are filled out Material mixing quality ratio is 55:30-33.
Further, the plasticizer additive amount is the 10% of quality of PVC resin.
Further, the plasticizer is tributyl citrate.
Embodiment 3
A kind of impact resistance polychloroethylene pipes preparation method is changed by the polyvinyl chloride resin particle and ester system that handle by pre-irradiation Property the modified inorganic filler mixing granulation of agent obtained from composite master batch mix with plasticizer, extrusion molding, cool down to cut and obtain.
Further, the pre-irradiation processing is under the vacuum that temperature is 21 DEG C, vacuum degree is 0.01Pa, progress adds Fast voltage is 2.6MeV, irradiation dose 10kGy.
Further, the ester preparation method for modifier are as follows:
Fumaric acid, maleic acid are mixed by 2.1:1 mass ratio and are added in reaction kettle, is then stirred with 120r/min revolving speed, And 100 DEG C, after 30min are heated to, the esterification catalyst of fumaric acid quality 5% is added, after mixing evenly, then butanol is slowly added dropwise, Insulation reaction 2 hours, when reaction system esterification yield is not further added by, stop reaction, obtains reaction ester, reaction temperature is reduced to 70 DEG C, sodium hydrate aqueous solution is then added again, is stirred to react 1 hour to get ester modifying agent, is reacted ester and rub with sodium hydroxide You are than being 1:1.
Further, the inorganic filler of the ester modifier modification specifically:
Inorganic filler is distributed in ester modifying agent by the ratio uniform of 105g:350mL, carries out one at 0 DEG C, 60 DEG C respectively Secondary ultrasonic treatment, wherein being ultrasonically treated frequency at a temperature of 0 DEG C is 30kHz, power 600W, the processing time is 2min, 60 DEG C of temperature The lower ultrasonic treatment frequency of degree is 50kHz, power 800W, and the processing time is 3min, and then again at 60 DEG C, it is small that heat preservation stands 2 When, be then filtered, cleaned using deionized water, drying to constant weight to get.
Further, the inorganic filler is rosin rock powder.
Further, the pitchstone Powder Particle Size is 0.12 μm.
Further, the polyvinyl chloride resin particle handled by pre-irradiation and the inorganic of ester modifier modification are filled out Material mixing quality ratio is 55:32.
Further, the plasticizer additive amount is the 10% of quality of PVC resin.
Further, the plasticizer is tributyl citrate.
Embodiment 4:
A kind of impact resistance polychloroethylene pipes preparation method is changed by the polyvinyl chloride resin particle and ester system that handle by pre-irradiation Property the modified inorganic filler mixing granulation of agent obtained from composite master batch mix with plasticizer, extrusion molding, cool down to cut and obtain.
Further, the pre-irradiation processing is under the vacuum that temperature is 20 DEG C, vacuum degree is 0.01Pa, progress adds Fast voltage is 2.5MeV, irradiation dose 10kGy.
Further, the ester preparation method for modifier are as follows:
Fumaric acid, maleic acid are mixed by 2:1 mass ratio and are added in reaction kettle, then with the stirring of 120r/min revolving speed, and 100 DEG C, after 30min are heated to, the esterification catalyst of fumaric acid quality 5% is added, after mixing evenly, then butanol is slowly added dropwise, is protected Temperature reaction 2 hours stops reaction when reaction system esterification yield is not further added by, and obtains reaction ester, reaction temperature is reduced to 70 DEG C, sodium hydrate aqueous solution is then added again, is stirred to react 1 hour to get ester modifying agent, is reacted ester and sodium hydroxide mole Than for 1:1.
Further, the inorganic filler of the ester modifier modification specifically:
Inorganic filler is distributed in ester modifying agent by the ratio uniform of 100g:350mL, carries out one at 0 DEG C, 60 DEG C respectively Secondary ultrasonic treatment, wherein being ultrasonically treated frequency at a temperature of 0 DEG C is 30kHz, power 600W, the processing time is 2min, 60 DEG C of temperature The lower ultrasonic treatment frequency of degree is 50kHz, power 800W, and the processing time is 3min, and then again at 60 DEG C, it is small that heat preservation stands 2 When, be then filtered, cleaned using deionized water, drying to constant weight to get.
Further, the inorganic filler is bentonite.
Further, the pitchstone Powder Particle Size is 0.12 μm.
Further, the polyvinyl chloride resin particle handled by pre-irradiation and the inorganic of ester modifier modification are filled out Material mixing quality ratio is 55:30.
Further, the plasticizer additive amount is the 10% of quality of PVC resin.
Further, the plasticizer is tributyl citrate.
Embodiment 5
A kind of impact resistance polychloroethylene pipes preparation method is changed by the polyvinyl chloride resin particle and ester system that handle by pre-irradiation Property the modified inorganic filler mixing granulation of agent obtained from composite master batch mix with plasticizer, extrusion molding, cool down to cut and obtain.
Further, the pre-irradiation processing is under the vacuum that temperature is 20 DEG C, vacuum degree is 0.01Pa, progress adds Fast voltage is 2.5MeV, irradiation dose 10kGy.
Further, the ester preparation method for modifier are as follows:
Fumaric acid, maleic acid are mixed by 2:1 mass ratio and are added in reaction kettle, then with the stirring of 120r/min revolving speed, and 100 DEG C, after 30min are heated to, the esterification catalyst of fumaric acid quality 5% is added, after mixing evenly, then butanol is slowly added dropwise, is protected Temperature reaction 2 hours stops reaction when reaction system esterification yield is not further added by, and obtains reaction ester, reaction temperature is reduced to 70 DEG C, sodium hydrate aqueous solution is then added again, is stirred to react 1 hour to get ester modifying agent, is reacted ester and sodium hydroxide mole Than for 1:1.
Further, the inorganic filler of the ester modifier modification specifically:
Inorganic filler is distributed in ester modifying agent by the ratio uniform of 100g:350mL, carries out one at 0 DEG C, 60 DEG C respectively Secondary ultrasonic treatment, wherein being ultrasonically treated frequency at a temperature of 0 DEG C is 30kHz, power 600W, the processing time is 2min, 60 DEG C of temperature The lower ultrasonic treatment frequency of degree is 50kHz, power 800W, and the processing time is 3min, and then again at 60 DEG C, it is small that heat preservation stands 2 When, be then filtered, cleaned using deionized water, drying to constant weight to get.
Further, the inorganic filler is rosin rock powder.
Further, the pitchstone Powder Particle Size is 0.12 μm.
Further, the polyvinyl chloride resin particle handled by pre-irradiation and the inorganic of ester modifier modification are filled out Material mixing quality ratio is 55:30.
Further, the plasticizer additive amount is the 10% of quality of PVC resin.
Further, the plasticizer is tributyl citrate.
Impact strength:
Standard sample item having a size of 80mm × 10mm × 4mm, then milling 2mm depth v-notch, according to GB/T 21189-2007 Using the impact property of Chalpy impact instrument test notched specimen；
Table 1
As can be seen from Table 1, the polychloroethylene pipes of the method for the present invention preparation have excellent impact resistance, using bentonite When as inorganic filler, room temperature impact strength reduces by a small margin, and impact strength at -25 DEG C is greatly lowered, it is seen then that with swelling Soil is poor as impact resistance under inorganic filler low temperature.
Further test is basic sample with embodiment 1, compares pitchstone different grain size to polychloroethylene pipes impact The influence of energy:
Table 2
As can be seen from Table 2, when pitchstone granularity is between 0.1-0.2 μm in the present invention, the polychlorostyrene of preparation can be kept simultaneously Ethylene tubing room temperature impact strength and low temperature impact strength, after pitchstone is excessively added, since pitchstone particle generates aggregation Phenomenon causes the impact strength of polychloroethylene pipes to decline.

Claims (9)

1. a kind of impact resistance polychloroethylene pipes preparation method, which is characterized in that by the polyvinyl chloride tree by pre-irradiation processing Composite master batch obtained from the inorganic filler mixing granulation of rouge particle and ester modifier modification is mixed with plasticizer, is extruded into Type, cooling cutting obtain.
2. a kind of impact resistance polychloroethylene pipes preparation method as described in claim 1, which is characterized in that at the pre-irradiation Reason is to carry out, acceleration voltage 2.5-2.8MeV, irradiation dose under the vacuum that temperature is 20-22 DEG C, vacuum degree is 0.01Pa For 10kGy.
3. a kind of impact resistance polychloroethylene pipes preparation method as described in claim 1, which is characterized in that the ester system is modified Agent the preparation method comprises the following steps:
Fumaric acid, maleic acid are mixed by 2-2.2:1 mass ratio and are added in reaction kettle, is then stirred with 120r/min revolving speed It mixes, and is heated to 100 DEG C, after 30min, add the esterification catalyst of fumaric acid quality 5%, after mixing evenly, then fourth is slowly added dropwise Alcohol insulation reaction 2 hours, when reaction system esterification yield is not further added by, stops reaction, obtains reaction ester, reaction temperature is dropped Down to 70 DEG C, sodium hydrate aqueous solution is then added again, is stirred to react 1 hour to get ester modifying agent, is reacted ester and hydroxide Sodium molar ratio is 1:1.
4. a kind of impact resistance polychloroethylene pipes preparation method as described in claim 1, which is characterized in that the ester system is modified The modified inorganic filler of agent specifically:
Inorganic filler is distributed in ester modifying agent by the ratio uniform of 100-110g:350mL, respectively at 0 DEG C, 60 DEG C into The primary ultrasonic treatment of row, wherein being ultrasonically treated frequency at a temperature of 0 DEG C is 30kHz, power 600W, the processing time is 2min, 60 It is 50kHz that frequency is ultrasonically treated at a temperature of DEG C, and power 800W, the processing time is 3min, and then again at 60 DEG C, heat preservation is stood 2 hours, be then filtered, cleaned using deionized water, drying to constant weight to get.
5. a kind of impact resistance polychloroethylene pipes preparation method as claimed in claim 4, which is characterized in that the inorganic filler For rosin rock powder.
6. a kind of impact resistance polychloroethylene pipes preparation method as claimed in claim 5, which is characterized in that the rosin rock powder Granularity is 0.1-0.2 μm.
7. a kind of impact resistance polychloroethylene pipes preparation method as described in claim 1, which is characterized in that described to pass through pre- spoke The inorganic filler mixing quality ratio of polyvinyl chloride resin particle and ester modifier modification according to processing is 55:30-33.
8. a kind of impact resistance polychloroethylene pipes preparation method as described in claim 1, which is characterized in that the plasticizer adds Dosage is the 10% of quality of PVC resin.
9. a kind of impact resistance polychloroethylene pipes preparation method as claimed in claim 8, which is characterized in that the plasticizer is Tributyl citrate.
CN201910539711.9A 2019-06-21 2019-06-21 A kind of impact resistance polychloroethylene pipes preparation method Withdrawn CN110330739A (en)

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